LCOV - code coverage report
Current view: | top level - physics/rrtmgp/ext/rrtmgp-frontend - mo_gas_optics_rrtmgp.F90 (source / functions) |  |  | Hit | Total | Coverage
Test: | coverage.info |  | Lines: | 460 | 590 | 78.0 %
Date: | 2024-12-17 22:39:59 |  | Functions: | 33 | 40 | 82.5 %

              Line data    Source code
           1             : ! This code is part of RRTM for GCM Applications - Parallel (RRTMGP)
           2             : !
           3             : ! Contacts: Robert Pincus and Eli Mlawer
           4             : ! email:  rrtmgp@aer.com
           5             : !
           6             : ! Copyright 2015-,  Atmospheric and Environmental Research,
           7             : ! Regents of the University of Colorado, Trustees of Columbia University.  All right reserved.
           8             : !
           9             : ! Use and duplication is permitted under the terms of the
          10             : !    BSD 3-clause license, see http://opensource.org/licenses/BSD-3-Clause
          11             : ! -------------------------------------------------------------------------------------------------
          12             : !
          13             : !> ## Class implementing the RRTMGP correlated-_k_ distribution
          14             : !>
          15             : !> Implements a class for computing spectrally-resolved gas optical properties and source functions
          16             : !>   given atmopsheric physical properties (profiles of temperature, pressure, and gas concentrations)
          17             : !>   The class must be initialized with data (provided as a netCDF file) before being used.
          18             : !>
          19             : !> Two variants apply to internal Planck sources (longwave radiation in the Earth's atmosphere) and to
          20             : !>   external stellar radiation (shortwave radiation in the Earth's atmosphere).
          21             : !>   The variant is chosen based on what information is supplied during initialization.
          22             : !   (It might make more sense to define two sub-classes)
          23             : !
          24             : ! -------------------------------------------------------------------------------------------------
          25             : module mo_gas_optics_rrtmgp
          26             :   use mo_rte_kind,           only: wp, wl
          27             :   use mo_rte_config,         only: check_extents, check_values
          28             :   use mo_rte_util_array,     only: zero_array
          29             :   use mo_rte_util_array_validation, &
          30             :                              only: any_vals_less_than, any_vals_outside, extents_are
          31             :   use mo_optical_props,      only: ty_optical_props
          32             :   use mo_source_functions,   only: ty_source_func_lw
          33             :   use mo_gas_optics_rrtmgp_kernels, &
          34             :                              only: interpolation, compute_tau_absorption, compute_tau_rayleigh, compute_Planck_source
          35             :   use mo_gas_optics_constants,   only: avogad, m_dry, m_h2o, grav
          36             :   use mo_gas_optics_util_string, only: lower_case, string_in_array, string_loc_in_array
          37             :   use mo_gas_concentrations, only: ty_gas_concs
          38             :   use mo_optical_props,      only: ty_optical_props_arry, ty_optical_props_1scl, ty_optical_props_2str, ty_optical_props_nstr
          39             :   use mo_gas_optics,         only: ty_gas_optics
          40             :   implicit none
          41             :   private
          42             :   real(wp), parameter :: pi = acos(-1._wp)
          43             :
          44             :   ! -------------------------------------------------------------------------------------------------
          45             :   type, extends(ty_gas_optics), public :: ty_gas_optics_rrtmgp
          46             :     private
          47             :     !
          48             :     ! RRTMGP computes absorption in each band arising from
          49             :     !   two major species in each band, which are combined to make
          50             :     !     a relative mixing ratio eta and a total column amount (col_mix)
          51             :     !   contributions from zero or more minor species whose concentrations
          52             :     !     may be scaled by other components of the atmosphere
          53             :     !
          54             :     ! Absorption coefficients are interpolated from tables on a pressure/temperature/(eta) grid
          55             :     !
          56             :     ! ------------------------------------
          57             :     ! Interpolation variables: Temperature and pressure grids
          58             :     !
          59             :     real(wp),      dimension(:),     allocatable :: press_ref,  press_ref_log, temp_ref
          60             :     !
          61             :     ! Derived and stored for convenience:
          62             :     !   Min and max for temperature and pressure intepolation grids
          63             :     !   difference in ln pressure between consecutive reference levels
          64             :     !   log of reference pressure separating the lower and upper atmosphere
          65             :     !
          66             :     real(wp) :: press_ref_min, press_ref_max, &
          67             :                 temp_ref_min,  temp_ref_max
          68             :     real(wp) :: press_ref_log_delta, temp_ref_delta, press_ref_trop_log
          69             :     ! ------------------------------------
          70             :     ! Major absorbers ("key species")
          71             :     !   Each unique set of major species is called a flavor.
          72             :     !
          73             :     ! Names  and reference volume mixing ratios of major gases
          74             :     !
          75             :     character(32), dimension(:),  allocatable :: gas_names     ! gas names
          76             :     real(wp), dimension(:,:,:),   allocatable :: vmr_ref       ! vmr_ref(lower or upper atmosphere, gas, temp)
          77             :     !
          78             :     ! Which two gases are in each flavor? By index
          79             :     !
          80             :     integer,  dimension(:,:),     allocatable :: flavor        ! major species pair; (2,nflav)
          81             :     !
          82             :     ! Which flavor for each g-point? One each for lower, upper atmosphere
          83             :     !
          84             :     integer,  dimension(:,:),     allocatable :: gpoint_flavor ! flavor = gpoint_flavor(2, g-point)
          85             :     !
          86             :     ! Major gas absorption coefficients
          87             :     !
          88             :     real(wp), dimension(:,:,:,:), allocatable :: kmajor        !  kmajor(g-point,eta,pressure,temperature)
          89             :     !
          90             :     ! ------------------------------------
          91             :     ! Minor species, independently for upper and lower atmospheres
          92             :     !   Array extents in the n_minor dimension will differ between upper and lower atmospheres
          93             :     !   Each contribution has starting and ending g-points
          94             :     !
          95             :     integer, dimension(:,:), allocatable :: minor_limits_gpt_lower, &
          96             :                                             minor_limits_gpt_upper
          97             :     !
          98             :     ! Minor gas contributions might be scaled by other gas amounts; if so we need to know
          99             :     !   the total density and whether the contribution is scaled by the partner gas
         100             :     !   or its complement (i.e. all other gases)
         101             :     ! Water vapor self- and foreign continua work like this, as do
         102             :     !   all collision-induced abosption pairs
         103             :     !
         104             :     logical(wl), dimension(:), allocatable :: minor_scales_with_density_lower, &
         105             :                                               minor_scales_with_density_upper
         106             :     logical(wl), dimension(:), allocatable :: scale_by_complement_lower, scale_by_complement_upper
         107             :     integer,     dimension(:), allocatable :: idx_minor_lower,           idx_minor_upper
         108             :     integer,     dimension(:), allocatable :: idx_minor_scaling_lower,   idx_minor_scaling_upper
         109             :     !
         110             :     ! Index into table of absorption coefficients
         111             :     !
         112             :     integer, dimension(:), allocatable :: kminor_start_lower,        kminor_start_upper
         113             :     !
         114             :     ! The absorption coefficients themselves
         115             :     !
         116             :     real(wp), dimension(:,:,:), allocatable :: kminor_lower, kminor_upper ! kminor_lower(n_minor,eta,temperature)
         117             :     !
         118             :     ! -----------------------------------------------------------------------------------
         119             :     !
         120             :     ! Rayleigh scattering coefficients
         121             :     !
         122             :     real(wp), dimension(:,:,:,:), allocatable :: krayl ! krayl(g-point,eta,temperature,upper/lower atmosphere)
         123             :     !
         124             :     ! -----------------------------------------------------------------------------------
         125             :     ! Planck function spectral mapping
         126             :     !   Allocated only when gas optics object is internal-source
         127             :     !
         128             :     real(wp), dimension(:,:,:,:), allocatable :: planck_frac   ! stored fraction of Planck irradiance in band for given g-point
         129             :                                                                ! planck_frac(g-point, eta, pressure, temperature)
         130             :     real(wp), dimension(:,:),     allocatable :: totplnk       ! integrated Planck irradiance by band; (Planck temperatures,band)
         131             :     real(wp)                                  :: totplnk_delta ! temperature steps in totplnk
         132             :     real(wp), dimension(:,:),     allocatable :: optimal_angle_fit ! coefficients of linear function
         133             :                                                                    ! of vertical path clear-sky transmittance that is used to
         134             :                                                                    ! determine the secant of single angle used for the
         135             :                                                                    ! no-scattering calculation,
         136             :                                                                    ! optimal_angle_fit(coefficient, band)
         137             :     ! -----------------------------------------------------------------------------------
         138             :     ! Solar source function spectral mapping with solar variability capability
         139             :     !   Allocated  when gas optics object is external-source
         140             :     !   n-solar-terms: quiet sun, facular brightening and sunspot dimming components
         141             :     !   following the NRLSSI2 model of Coddington et al. 2016, doi:10.1175/BAMS-D-14-00265.1.
         142             :     !
         143             :     real(wp), dimension(:), allocatable :: solar_source         ! incoming solar irradiance, computed from other three terms (g-point)
         144             :     real(wp), dimension(:), allocatable :: solar_source_quiet   ! incoming solar irradiance, quiet sun term (g-point)
         145             :     real(wp), dimension(:), allocatable :: solar_source_facular ! incoming solar irradiance, facular term (g-point)
         146             :     real(wp), dimension(:), allocatable :: solar_source_sunspot ! incoming solar irradiance, sunspot term (g-point)
         147             :
         148             :     !
         149             :     ! -----------------------------------------------------------------------------------
         150             :     ! Ancillary
         151             :     ! -----------------------------------------------------------------------------------
         152             :     ! Index into %gas_names -- is this a key species in any band?
         153             :     logical, dimension(:), allocatable :: is_key
         154             :     ! -----------------------------------------------------------------------------------
         155             :
         156             :   contains
         157             :     ! Type-bound procedures
         158             :     ! Public procedures
         159             :     ! public interface
         160             :     generic,   public :: load       => load_int,       load_ext
         161             :     procedure, public :: source_is_internal
         162             :     procedure, public :: source_is_external
         163             :     procedure, public :: is_loaded
         164             :     procedure, public :: finalize
         165             :     procedure, public :: get_ngas
         166             :     procedure, public :: get_gases
         167             :     procedure, public :: get_press_min
         168             :     procedure, public :: get_press_max
         169             :     procedure, public :: get_temp_min
         170             :     procedure, public :: get_temp_max
         171             :     procedure, public :: compute_optimal_angles
         172             :     procedure, public :: set_solar_variability
         173             :     procedure, public :: set_tsi
         174             :     ! Internal procedures
         175             :     procedure, private :: load_int
         176             :     procedure, private :: load_ext
         177             :     procedure, public  :: gas_optics_int
         178             :     procedure, public  :: gas_optics_ext
         179             :     procedure, private :: check_key_species_present
         180             :     ! Interpolation table dimensions
         181             :     procedure, private :: get_nflav
         182             :     procedure, private :: get_neta
         183             :     procedure, private :: get_npres
         184             :     procedure, private :: get_ntemp
         185             :     procedure, private :: get_nPlanckTemp
         186             :   end type ty_gas_optics_rrtmgp
         187             :   ! -------------------------------------------------------------------------------------------------
         188             :   !
         189             :   !> col_dry is the number of molecules per cm-2 of dry air
         190             :   !
         191             :   public :: get_col_dry ! Utility function, not type-bound
         192             :
         193             : contains
         194             :   ! --------------------------------------------------------------------------------------
         195             :   !
         196             :   ! Public procedures
         197             :   !
         198             :   ! --------------------------------------------------------------------------------------
         199             :   !
         200             :   !> Two functions to define array sizes needed by gas_optics()
         201             :   !
         202     3798532 :   pure function get_ngas(this)
         203             :     ! return the number of gases registered in the spectral configuration
         204             :     class(ty_gas_optics_rrtmgp), intent(in) :: this
         205             :     integer                                 :: get_ngas
         206             :
         207     3798532 :     get_ngas = size(this%gas_names)
         208     3798532 :   end function get_ngas
         209             :   !--------------------------------------------------------------------------------------------------------------------
         210             :   !
         211             :   !> return the number of distinct major gas pairs in the spectral bands (referred to as
         212             :   !> "flavors" - all bands have a flavor even if there is one or no major gas)
         213             :   !
         214     6423131 :   pure function get_nflav(this)
         215             :     class(ty_gas_optics_rrtmgp), intent(in) :: this
         216             :     integer                                 :: get_nflav
         217             :
         218     6423131 :     get_nflav = size(this%flavor,dim=2)
         219     6423131 :   end function get_nflav
         220             :   !--------------------------------------------------------------------------------------------------------------------
         221             :   !
         222             :   !> Compute gas optical depth and Planck source functions,
         223             :   !>  given temperature, pressure, and composition
         224             :   !
         225      746136 :   function gas_optics_int(this,                             &
         226     1492272 :                           play, plev, tlay, tsfc, gas_desc, &
         227             :                           optical_props, sources,           &
         228     1492272 :                           col_dry, tlev) result(error_msg)
         229             :     ! inputs
         230             :     class(ty_gas_optics_rrtmgp), intent(in) :: this
         231             :     real(wp), dimension(:,:), intent(in   ) :: play, &   !! layer pressures [Pa, mb]; (ncol,nlay)
         232             :                                                plev, &   !! level pressures [Pa, mb]; (ncol,nlay+1)
         233             :                                                tlay      !! layer temperatures [K]; (ncol,nlay)
         234             :     real(wp), dimension(:),   intent(in   ) :: tsfc      !! surface skin temperatures [K]; (ncol)
         235             :     type(ty_gas_concs),       intent(in   ) :: gas_desc  !! Gas volume mixing ratios
         236             :     ! output
         237             :     class(ty_optical_props_arry),  &
         238             :                               intent(inout) :: optical_props !! Optical properties
         239             :     class(ty_source_func_lw    ),  &
         240             :                               intent(inout) :: sources       !! Planck sources
         241             :     character(len=128)                      :: error_msg     !! Empty if succssful
         242             :     ! Optional inputs
         243             :     real(wp), dimension(:,:),   intent(in   ), &
         244             :                            optional, target :: col_dry, &  !! Column dry amount; dim(ncol,nlay)
         245             :                                                tlev        !! level temperatures [K]; (ncol,nlay+1)
         246             :     ! ----------------------------------------------------------
         247             :     ! Local variables
         248             :     ! Interpolation coefficients for use in source function
         249     1492272 :     integer,     dimension(size(play,dim=1), size(play,dim=2)) :: jtemp, jpress
         250     1492272 :     logical(wl), dimension(size(play,dim=1), size(play,dim=2)) :: tropo
         251     1492272 :     real(wp),    dimension(2,2,2,size(play,dim=1),size(play,dim=2), get_nflav(this)) :: fmajor
         252      746136 :     integer,     dimension(2,    size(play,dim=1),size(play,dim=2), get_nflav(this)) :: jeta
         253             :
         254             :     integer :: ncol, nlay, ngpt, nband
         255             :     ! ----------------------------------------------------------
         256      746136 :     ncol  = size(play,dim=1)
         257      746136 :     nlay  = size(play,dim=2)
         258      746136 :     ngpt  = this%get_ngpt()
         259      746136 :     nband = this%get_nband()
         260             :     !
         261             :     ! Gas optics
         262             :     !
         263             :     !$acc enter data create(jtemp, jpress, tropo, fmajor, jeta)
         264             :     !$omp target enter data map(alloc:jtemp, jpress, tropo, fmajor, jeta)
         265             :     error_msg = compute_gas_taus(this,                       &
         266             :                                  ncol, nlay, ngpt, nband,    &
         267             :                                  play, plev, tlay, gas_desc, &
         268             :                                  optical_props,              &
         269             :                                  jtemp, jpress, jeta, tropo, fmajor, &
         270     1492272 :                                  col_dry)
         271      746136 :     if(error_msg  /= '') return
         272             :     ! ----------------------------------------------------------
         273             :     !
         274             :     ! External source -- check arrays sizes and values
         275             :     ! input data sizes and values
         276             :     !
         277             :     !$acc enter data copyin(tsfc, tlev) ! Should be fine even if tlev is not supplied
         278             :     !$omp target enter data map(to:tsfc, tlev)
         279             :
         280      746136 :     if(check_extents) then
         281      746136 :       if(.not. extents_are(tsfc, ncol)) &
         282           0 :         error_msg = "gas_optics(): array tsfc has wrong size"
         283      746136 :       if(present(tlev)) then
         284           0 :         if(.not. extents_are(tlev, ncol, nlay+1)) &
         285           0 :           error_msg = "gas_optics(): array tlev has wrong size"
         286             :       end if
         287             :       !
         288             :       !   output extents
         289             :       !
         290     2984544 :       if(any([sources%get_ncol(), sources%get_nlay(), sources%get_ngpt()] /= [ncol, nlay, ngpt])) &
         291           0 :         error_msg = "gas_optics%gas_optics: source function arrays inconsistently sized"
         292             :     end if
         293      746136 :     if(error_msg  /= '') return
         294             :
         295      746136 :     if(check_values) then
         296      746136 :       if(any_vals_outside(tsfc, this%temp_ref_min,  this%temp_ref_max)) &
         297           0 :         error_msg = "gas_optics(): array tsfc has values outside range"
         298      746136 :       if(present(tlev)) then
         299           0 :         if(any_vals_outside(tlev, this%temp_ref_min, this%temp_ref_max)) &
         300           0 :             error_msg = "gas_optics(): array tlev has values outside range"
         301             :       end if
         302             :     end if
         303      746136 :     if(error_msg  /= '') return
         304             :
         305             :     !
         306             :     ! Interpolate source function
         307             :     !
         308      746136 :     if(present(tlev)) then
         309             :       !
         310             :       ! present status of optional argument should be passed to source()
         311             :       !   but isn't with PGI 19.10
         312             :       !
         313             :       error_msg = source(this,                               &
         314             :                          ncol, nlay, nband, ngpt,            &
         315             :                          play, plev, tlay, tsfc,             &
         316             :                          jtemp, jpress, jeta, tropo, fmajor, &
         317             :                          sources,                            &
         318           0 :                          tlev)
         319             :       !$acc exit data delete(tlev)
         320             :       !$omp target exit data map(release:tlev)
         321             :     else
         322             :       error_msg = source(this,                               &
         323             :                          ncol, nlay, nband, ngpt,            &
         324             :                          play, plev, tlay, tsfc,             &
         325             :                          jtemp, jpress, jeta, tropo, fmajor, &
         326      746136 :                          sources)
         327             :     end if
         328             :     !$acc exit data delete(tsfc)
         329             :     !$omp target exit data map(release:tsfc)
         330             :     !$acc exit data delete(jtemp, jpress, tropo, fmajor, jeta)
         331             :     !$omp target exit data map(release:jtemp, jpress, tropo, fmajor, jeta)
         332             :   end function gas_optics_int
         333             :   !------------------------------------------------------------------------------------------
         334             :   !
         335             :   !> Compute gas optical depth given temperature, pressure, and composition
         336             :   !>    Top-of-atmosphere stellar insolation is also reported
         337             :   !
         338      389263 :   function gas_optics_ext(this,                         &
         339      389263 :                           play, plev, tlay, gas_desc,   & ! mandatory inputs
         340      389263 :                           optical_props, toa_src,       & ! mandatory outputs
         341      389263 :                           col_dry) result(error_msg)      ! optional input
         342             :
         343             :     class(ty_gas_optics_rrtmgp), intent(in) :: this
         344             :     real(wp), dimension(:,:), intent(in   ) :: play, &   !! layer pressures [Pa, mb]; (ncol,nlay)
         345             :                                                plev, &   !! level pressures [Pa, mb]; (ncol,nlay+1)
         346             :                                                tlay      !! layer temperatures [K]; (ncol,nlay)
         347             :     type(ty_gas_concs),       intent(in   ) :: gas_desc  !! Gas volume mixing ratios
         348             :     ! output
         349             :     class(ty_optical_props_arry),  &
         350             :                               intent(inout) :: optical_props
         351             :     real(wp), dimension(:,:), intent(  out) :: toa_src     !! Incoming solar irradiance(ncol,ngpt)
         352             :     character(len=128)                      :: error_msg   !! Empty if successful
         353             :
         354             :     ! Optional inputs
         355             :     real(wp), dimension(:,:), intent(in   ), &
         356             :                            optional, target :: col_dry ! Column dry amount; dim(ncol,nlay)
         357             :     ! ----------------------------------------------------------
         358             :     ! Local variables
         359             :     ! Interpolation coefficients for use in source function
         360      778526 :     integer,     dimension(size(play,dim=1), size(play,dim=2)) :: jtemp, jpress
         361      778526 :     logical(wl), dimension(size(play,dim=1), size(play,dim=2)) :: tropo
         362      778526 :     real(wp),    dimension(2,2,2,size(play,dim=1),size(play,dim=2), get_nflav(this)) :: fmajor
         363      389263 :     integer,     dimension(2,    size(play,dim=1),size(play,dim=2), get_nflav(this)) :: jeta
         364             :
         365             :     integer :: ncol, nlay, ngpt, nband, ngas, nflav
         366             :     integer :: igpt, icol
         367             :     ! ----------------------------------------------------------
         368      389263 :     ncol  = size(play,dim=1)
         369      389263 :     nlay  = size(play,dim=2)
         370      389263 :     ngpt  = this%get_ngpt()
         371      389263 :     nband = this%get_nband()
         372      389263 :     ngas  = this%get_ngas()
         373             :     nflav = get_nflav(this)
         374             :     !
         375             :     ! Gas optics
         376             :     !
         377             :     !$acc enter data create(jtemp, jpress, tropo, fmajor, jeta)
         378             :     !$omp target enter data map(alloc:jtemp, jpress, tropo, fmajor, jeta)
         379             :     error_msg = compute_gas_taus(this,                       &
         380             :                                  ncol, nlay, ngpt, nband,    &
         381             :                                  play, plev, tlay, gas_desc, &
         382             :                                  optical_props,              &
         383             :                                  jtemp, jpress, jeta, tropo, fmajor, &
         384      778526 :                                  col_dry)
         385             :     !$acc exit data delete(jtemp, jpress, tropo, fmajor, jeta)
         386             :     !$omp target exit data map(release:jtemp, jpress, tropo, fmajor, jeta)
         387      389263 :     if(error_msg  /= '') return
         388             :
         389             :     ! ----------------------------------------------------------
         390             :     !
         391             :     ! External source function is constant
         392             :     !
         393             :     !$acc enter data create(toa_src)
         394             :     !$omp target enter data map(alloc:toa_src)
         395      389263 :     if(check_extents) then
         396      389263 :       if(.not. extents_are(toa_src, ncol, ngpt)) &
         397           0 :         error_msg = "gas_optics(): array toa_src has wrong size"
         398             :     end if
         399      389263 :     if(error_msg  /= '') return
         400             :
         401             :     !$acc parallel loop collapse(2)
         402             :     !$omp target teams distribute parallel do simd collapse(2)
         403    43986719 :     do igpt = 1,ngpt
         404   699892319 :        do icol = 1,ncol
         405   699503056 :           toa_src(icol,igpt) = this%solar_source(igpt)
         406             :        end do
         407             :     end do
         408             :     !$acc exit data copyout(toa_src)
         409             :     !$omp target exit data map(from:toa_src)
         410             :   end function gas_optics_ext
         411             :   !------------------------------------------------------------------------------------------
         412             :   !
         413             :   ! Returns optical properties and interpolation coefficients
         414             :   !
         415     1135399 :   function compute_gas_taus(this,                       &
         416             :                             ncol, nlay, ngpt, nband,    &
         417     1135399 :                             play, plev, tlay, gas_desc, &
         418             :                             optical_props,              &
         419     1135399 :                             jtemp, jpress, jeta, tropo, fmajor, &
         420     1135399 :                             col_dry) result(error_msg)
         421             :
         422             :     class(ty_gas_optics_rrtmgp), &
         423             :                                       intent(in   ) :: this
         424             :     integer,                          intent(in   ) :: ncol, nlay, ngpt, nband
         425             :     real(wp), dimension(:,:),         intent(in   ) :: play, &   ! layer pressures [Pa, mb]; (ncol,nlay)
         426             :                                                        plev, &   ! level pressures [Pa, mb]; (ncol,nlay+1)
         427             :                                                        tlay      ! layer temperatures [K]; (ncol,nlay)
         428             :     type(ty_gas_concs),               intent(in   ) :: gas_desc  ! Gas volume mixing ratios
         429             :     class(ty_optical_props_arry),     intent(inout) :: optical_props !inout because components are allocated
         430             :     ! Interpolation coefficients for use in internal source function
         431             :     integer,     dimension(                      ncol, nlay), intent(  out) :: jtemp, jpress
         432             :     integer,     dimension(2,    ncol, nlay,get_nflav(this)), intent(  out) :: jeta
         433             :     logical(wl), dimension(                      ncol, nlay), intent(  out) :: tropo
         434             :     real(wp),    dimension(2,2,2,ncol, nlay,get_nflav(this)), intent(  out) :: fmajor
         435             :     character(len=128)                                         :: error_msg
         436             :
         437             :     ! Optional inputs
         438             :     real(wp), dimension(:,:), intent(in   ), &
         439             :                            optional, target :: col_dry ! Column dry amount; dim(ncol,nlay)
         440             :     ! ----------------------------------------------------------
         441             :     ! Local variables
         442     2270798 :     real(wp), dimension(ncol,nlay,ngpt) :: tau, tau_rayleigh  ! absorption, Rayleigh scattering optical depths
         443             :     ! Number of molecules per cm^2
         444     2270798 :     real(wp), dimension(ncol,nlay), target  :: col_dry_arr
         445     1135399 :     real(wp), dimension(:,:),       pointer :: col_dry_wk
         446             :     !
         447             :     ! Interpolation variables used in major gas but not elsewhere, so don't need exporting
         448             :     !
         449     3406197 :     real(wp), dimension(ncol,nlay,  this%get_ngas()) :: vmr     ! volume mixing ratios
         450     3406197 :     real(wp), dimension(ncol,nlay,0:this%get_ngas()) :: col_gas ! column amounts for each gas, plus col_dry
         451     2270798 :     real(wp), dimension(2,    ncol,nlay,get_nflav(this)) :: col_mix ! combination of major species's column amounts
         452             :                                                          ! index(1) : reference temperature level
         453             :                                                          ! index(2) : flavor
         454             :                                                          ! index(3) : layer
         455     2270798 :     real(wp), dimension(2,2,  ncol,nlay,get_nflav(this)) :: fminor ! interpolation fractions for minor species
         456             :                                                           ! index(1) : reference eta level (temperature dependent)
         457             :                                                           ! index(2) : reference temperature level
         458             :                                                           ! index(3) : flavor
         459             :                                                           ! index(4) : layer
         460             :     integer :: ngas, nflav, neta, npres, ntemp
         461             :     integer :: icol, ilay, igas
         462             :     integer :: idx_h2o ! index of water vapor
         463             :     integer :: nminorlower, nminorklower,nminorupper, nminorkupper
         464             :     logical :: use_rayl
         465             :     ! ----------------------------------------------------------
         466             :     !
         467             :     ! Error checking
         468             :     !
         469     1135399 :     use_rayl = allocated(this%krayl)
         470     1135399 :     error_msg = ''
         471             :     ! Check for initialization
         472     1135399 :     if (.not. this%is_loaded()) then
         473           0 :       error_msg = 'ERROR: spectral configuration not loaded'
         474           0 :       return
         475             :     end if
         476             :     !
         477             :     ! Check for presence of key species in ty_gas_concs; return error if any key species are not present
         478             :     !
         479     1135399 :     error_msg = this%check_key_species_present(gas_desc)
         480     1135399 :     if (error_msg /= '') return
         481             :
         482             :     !
         483             :     ! Check input data sizes and values
         484             :     !
         485             :     !$acc        data copyin(play,plev,tlay) create(   vmr,col_gas)
         486             :     !$omp target data map(to:play,plev,tlay) map(alloc:vmr,col_gas)
         487     1135399 :     if(check_extents) then
         488     1135399 :       if(.not. extents_are(play, ncol, nlay  )) &
         489           0 :         error_msg = "gas_optics(): array play has wrong size"
         490     1135399 :       if(.not. extents_are(tlay, ncol, nlay  )) &
         491           0 :         error_msg = "gas_optics(): array tlay has wrong size"
         492     1135399 :       if(.not. extents_are(plev, ncol, nlay+1)) &
         493           0 :         error_msg = "gas_optics(): array plev has wrong size"
         494             :       if(optical_props%get_ncol() /= ncol .or. &
         495     1135399 :          optical_props%get_nlay() /= nlay .or. &
         496             :          optical_props%get_ngpt() /= ngpt)     &
         497           0 :         error_msg = "gas_optics(): optical properties have the wrong extents"
         498     1135399 :       if(present(col_dry)) then
         499           0 :         if(.not. extents_are(col_dry, ncol, nlay)) &
         500           0 :           error_msg = "gas_optics(): array col_dry has wrong size"
         501             :       end if
         502             :     end if
         503             :
         504     1135399 :     if(error_msg == '') then
         505     1135399 :       if(check_values) then
         506     1135399 :         if(any_vals_outside(play, this%press_ref_min,this%press_ref_max)) &
         507           0 :           error_msg = "gas_optics(): array play has values outside range"
         508     1135399 :         if(any_vals_less_than(plev, 0._wp)) &
         509           0 :           error_msg = "gas_optics(): array plev has values outside range"
         510     1135399 :         if(any_vals_outside(tlay, this%temp_ref_min,  this%temp_ref_max)) &
         511           0 :           error_msg = "gas_optics(): array tlay has values outside range"
         512     1135399 :         if(present(col_dry)) then
         513           0 :           if(any_vals_less_than(col_dry, 0._wp)) &
         514           0 :             error_msg = "gas_optics(): array col_dry has values outside range"
         515             :         end if
         516             :       end if
         517             :     end if
         518             :
         519             :     ! ----------------------------------------------------------
         520     1135399 :     if(error_msg == '') then
         521     1135399 :       ngas  = this%get_ngas()
         522     1135399 :       nflav = get_nflav(this)
         523     1135399 :       neta  = this%get_neta()
         524     1135399 :       npres = this%get_npres()
         525     1135399 :       ntemp = this%get_ntemp()
         526             :       ! number of minor contributors, total num absorption coeffs
         527     1135399 :       nminorlower  = size(this%minor_scales_with_density_lower)
         528     1135399 :       nminorklower = size(this%kminor_lower, 3)
         529     1135399 :       nminorupper  = size(this%minor_scales_with_density_upper)
         530     1135399 :       nminorkupper = size(this%kminor_upper, 3)
         531             :       !
         532             :       ! Fill out the array of volume mixing ratios
         533             :       !
         534    10218591 :       do igas = 1, ngas
         535             :         !
         536             :         ! Get vmr if  gas is provided in ty_gas_concs
         537             :         !
         538    60176147 :         if (any (lower_case(this%gas_names(igas)) == gas_desc%get_gas_names())) then
         539    27249576 :           error_msg = gas_desc%get_vmr(this%gas_names(igas), vmr(:,:,igas))
         540             :         endif
         541             :       end do
         542             :     end if
         543             :
         544     1135399 :     if(error_msg == '') then
         545             :
         546             : !
         547             : ! Painful hacks to get code to compile with both the CCE-14 and Nvidia 21.3 compiler
         548             : !
         549             : #ifdef _CRAYFTN
         550             :       !$acc enter data copyin(optical_props)
         551             : #endif
         552             :       select type(optical_props)
         553             :         type is (ty_optical_props_1scl)
         554             : #ifndef _CRAYFTN
         555             :           !$acc enter data copyin(optical_props)
         556             : #endif
         557             :           !$acc enter data create(   optical_props%tau)
         558             :           !$omp target enter data map(alloc:optical_props%tau)
         559             :         type is (ty_optical_props_2str)
         560             : #ifndef _CRAYFTN
         561             :           !$acc enter data copyin(optical_props)
         562             : #endif
         563             :           !$acc enter data create(   optical_props%tau, optical_props%ssa, optical_props%g)
         564             :           !$omp target enter data map(alloc:optical_props%tau, optical_props%ssa, optical_props%g)
         565             :         type is (ty_optical_props_nstr)
         566             : #ifndef _CRAYFTN
         567             :           !$acc enter data copyin(optical_props)
         568             : #endif
         569             :           !$acc enter data create(   optical_props%tau, optical_props%ssa, optical_props%p)
         570             :           !$omp target enter data map(alloc:optical_props%tau, optical_props%ssa, optical_props%p)
         571             :       end select
         572             :
         573             :       !
         574             :       ! Compute dry air column amounts (number of molecule per cm^2) if user hasn't provided them
         575             :       !
         576     1135399 :       idx_h2o = string_loc_in_array('h2o', this%gas_names)
         577     1135399 :       if (present(col_dry)) then
         578             :         !$acc        enter data copyin(col_dry)
         579             :         !$omp target enter data map(to:col_dry)
         580           0 :         col_dry_wk => col_dry
         581             :       else
         582             :         !$acc        enter data create(   col_dry_arr)
         583             :         !$omp target enter data map(alloc:col_dry_arr)
         584     1135399 :         col_dry_arr = get_col_dry(vmr(:,:,idx_h2o), plev) ! dry air column amounts computation
         585     1135399 :         col_dry_wk => col_dry_arr
         586             :       end if
         587             :       !
         588             :       ! compute column gas amounts [molec/cm^2]
         589             :       !
         590             :       !$acc parallel loop gang vector collapse(2)
         591             :       !$omp target teams distribute parallel do simd collapse(2)
         592   107862905 :       do ilay = 1, nlay
         593  1759339505 :         do icol = 1, ncol
         594  1758204106 :           col_gas(icol,ilay,0) = col_dry_wk(icol,ilay)
         595             :         end do
         596             :       end do
         597             :       !$acc parallel loop gang vector collapse(3)
         598             :       !$omp target teams distribute parallel do simd collapse(3)
         599    10218591 :       do igas = 1, ngas
         600   864038639 :         do ilay = 1, nlay
         601 14074716040 :           do icol = 1, ncol
         602 14065632848 :             col_gas(icol,ilay,igas) = vmr(icol,ilay,igas) * col_dry_wk(icol,ilay)
         603             :           end do
         604             :         end do
         605             :       end do
         606             :       !
         607             :       ! ---- calculate gas optical depths ----
         608             :       !
         609             :       !$acc        data copyout( jtemp, jpress, jeta, tropo, fmajor) create(   col_mix, fminor)
         610             :       !$omp target data map(from:jtemp, jpress, jeta, tropo, fmajor) map(alloc:col_mix, fminor)
         611             :       call interpolation(               &
         612             :             ncol,nlay,                &        ! problem dimensions
         613             :             ngas, nflav, neta, npres, ntemp, & ! interpolation dimensions
         614             :             this%flavor,              &
         615             :             this%press_ref_log,       &
         616             :             this%temp_ref,            &
         617             :             this%press_ref_log_delta, &
         618             :             this%temp_ref_min,        &
         619             :             this%temp_ref_delta,      &
         620             :             this%press_ref_trop_log,  &
         621             :             this%vmr_ref, &
         622             :             play,         &
         623             :             tlay,         &
         624             :             col_gas,      &
         625             :             jtemp,        & ! outputs
         626             :             fmajor,fminor,&
         627             :             col_mix,      &
         628             :             tropo,        &
         629     1135399 :             jeta,jpress)
         630     1135399 :       if (allocated(this%krayl)) then
         631             :         !$acc        data copyin(this%gpoint_flavor, this%krayl)    create(tau, tau_rayleigh)
         632             :         !$omp target data map(to:this%gpoint_flavor, this%krayl) map(alloc:tau, tau_rayleigh)
         633      389263 :         call zero_array(ncol, nlay, ngpt, tau)
         634             :         call compute_tau_absorption(                     &
         635             :               ncol,nlay,nband,ngpt,                    &  ! dimensions
         636             :               ngas,nflav,neta,npres,ntemp,             &
         637             :               nminorlower, nminorklower,               & ! number of minor contributors, total num absorption coeffs
         638             :               nminorupper, nminorkupper,               &
         639             :               idx_h2o,                                 &
         640             :               this%gpoint_flavor,                      &
         641             :               this%get_band_lims_gpoint(),             &
         642             :               this%kmajor,                             &
         643             :               this%kminor_lower,                       &
         644             :               this%kminor_upper,                       &
         645             :               this%minor_limits_gpt_lower,             &
         646             :               this%minor_limits_gpt_upper,             &
         647             :               this%minor_scales_with_density_lower,    &
         648             :               this%minor_scales_with_density_upper,    &
         649             :               this%scale_by_complement_lower,          &
         650             :               this%scale_by_complement_upper,          &
         651             :               this%idx_minor_lower,                    &
         652             :               this%idx_minor_upper,                    &
         653             :               this%idx_minor_scaling_lower,            &
         654             :               this%idx_minor_scaling_upper,            &
         655             :               this%kminor_start_lower,                 &
         656             :               this%kminor_start_upper,                 &
         657             :               tropo,                                   &
         658             :               col_mix,fmajor,fminor,                   &
         659             :               play,tlay,col_gas,                       &
         660             :               jeta,jtemp,jpress,                       &
         661      389263 :               tau)
         662             :         call compute_tau_rayleigh(         & !Rayleigh scattering optical depths
         663             :             ncol,nlay,nband,ngpt,        &
         664             :             ngas,nflav,neta,npres,ntemp, & ! dimensions
         665             :             this%gpoint_flavor,          &
         666             :             this%get_band_lims_gpoint(), &
         667             :             this%krayl,                  & ! inputs from object
         668             :             idx_h2o, col_dry_wk,col_gas, &
         669             :             fminor,jeta,tropo,jtemp,     & ! local input
         670      389263 :             tau_rayleigh)
         671      389263 :         call combine_abs_and_rayleigh(tau, tau_rayleigh, optical_props)
         672             :         !$acc end        data
         673             :         !$omp end target data
         674             :       else
         675      746136 :         call zero_array(ncol, nlay, ngpt, optical_props%tau)
         676             :         call compute_tau_absorption(                     &
         677             :               ncol,nlay,nband,ngpt,                    &  ! dimensions
         678             :               ngas,nflav,neta,npres,ntemp,             &
         679             :               nminorlower, nminorklower,               & ! number of minor contributors, total num absorption coeffs
         680             :               nminorupper, nminorkupper,               &
         681             :               idx_h2o,                                 &
         682             :               this%gpoint_flavor,                      &
         683             :               this%get_band_lims_gpoint(),             &
         684             :               this%kmajor,                             &
         685             :               this%kminor_lower,                       &
         686             :               this%kminor_upper,                       &
         687             :               this%minor_limits_gpt_lower,             &
         688             :               this%minor_limits_gpt_upper,             &
         689             :               this%minor_scales_with_density_lower,    &
         690             :               this%minor_scales_with_density_upper,    &
         691             :               this%scale_by_complement_lower,          &
         692             :               this%scale_by_complement_upper,          &
         693             :               this%idx_minor_lower,                    &
         694             :               this%idx_minor_upper,                    &
         695             :               this%idx_minor_scaling_lower,            &
         696             :               this%idx_minor_scaling_upper,            &
         697             :               this%kminor_start_lower,                 &
         698             :               this%kminor_start_upper,                 &
         699             :               tropo,                                   &
         700             :               col_mix,fmajor,fminor,                   &
         701             :               play,tlay,col_gas,                       &
         702             :               jeta,jtemp,jpress,                       &
         703      746136 :               optical_props%tau)  !
         704             :         select type(optical_props)
         705             :           type is (ty_optical_props_2str)
         706           0 :             call zero_array(ncol, nlay, ngpt, optical_props%ssa)
         707           0 :             call zero_array(ncol, nlay, ngpt, optical_props%g)
         708             :           type is (ty_optical_props_nstr)
         709           0 :             call zero_array(ncol, nlay, ngpt, optical_props%ssa)
         710             :             call zero_array(optical_props%get_nmom(), &
         711           0 :                           ncol, nlay, ngpt, optical_props%p)
         712             :         end select
         713             :       end if
         714             :       !$acc end        data
         715             :       !$omp end target data
         716             :       if (present(col_dry)) then
         717             :         !$acc        exit data delete(     col_dry)
         718             :         !$omp target exit data map(release:col_dry)
         719             :       else
         720             :         !$acc        exit data delete(     col_dry_arr)
         721             :         !$omp target exit data map(release:col_dry_arr)
         722             :       end if
         723             :
         724             :       select type(optical_props)
         725             :         type is (ty_optical_props_1scl)
         726             :           !$acc        exit data copyout( optical_props%tau)
         727             :           !$omp target exit data map(from:optical_props%tau)
         728             :         type is (ty_optical_props_2str)
         729             :           !$acc        exit data copyout( optical_props%tau, optical_props%ssa, optical_props%g)
         730             :           !$omp target exit data map(from:optical_props%tau, optical_props%ssa, optical_props%g)
         731             :         type is (ty_optical_props_nstr)
         732             :           !$acc        exit data copyout( optical_props%tau, optical_props%ssa, optical_props%p)
         733             :           !$omp target exit data map(from:optical_props%tau, optical_props%ssa, optical_props%p)
         734             :       end select
         735             :       !$acc exit data delete(optical_props)
         736             :
         737             :     end if
         738             :     !$acc end        data
         739             :     !$omp end target data
         740             :
         741     1135399 :   end function compute_gas_taus
         742             :   !------------------------------------------------------------------------------------------
         743             :   !
         744             :   !> Compute the spectral solar source function adjusted to account for solar variability
         745             :   !>   following the NRLSSI2 model of Coddington et al. 2016, doi:10.1175/BAMS-D-14-00265.1.
         746             :   !> as specified by the facular brightening (mg_index) and sunspot dimming (sb_index)
         747             :   !> indices provided as input.
         748             :   !>
         749             :   !> Users provide the NRLSSI2 facular ("Bremen") index and sunspot ("SPOT67") index.
         750             :   !>   Changing either of these indicies will change the total solar irradiance (TSI)
         751             :   !>   Code in extensions/mo_solar_variability may be used to compute the value of these
         752             :   !>   indices through an average solar cycle
         753             :   !> Users may also specify the TSI, either alone or in conjunction with the facular and sunspot indices
         754             :   !
         755             :   !------------------------------------------------------------------------------------------
         756        1536 :   function set_solar_variability(this,                      &
         757             :                                  mg_index, sb_index, tsi)   &
         758             :                                  result(error_msg)
         759             :     !
         760             :     !! Updates the spectral distribution and, optionally,
         761             :     !!   the integrated value of the solar source function
         762             :     !!  Modifying either index will change the total solar irradiance
         763             :     !
         764             :     class(ty_gas_optics_rrtmgp), intent(inout) :: this
         765             :     !
         766             :     real(wp),           intent(in) :: mg_index  !! facular brightening index (NRLSSI2 facular "Bremen" index)
         767             :     real(wp),           intent(in) :: sb_index  !! sunspot dimming index     (NRLSSI2 sunspot "SPOT67" index)
         768             :     real(wp), optional, intent(in) :: tsi       !! total solar irradiance
         769             :     character(len=128)             :: error_msg !! Empty if successful
         770             :     ! ----------------------------------------------------------
         771             :     integer :: igpt
         772             :     real(wp), parameter :: a_offset = 0.1495954_wp
         773             :     real(wp), parameter :: b_offset = 0.00066696_wp
         774             :     ! ----------------------------------------------------------
         775        1536 :     error_msg = ""
         776        1536 :     if(mg_index < 0._wp) error_msg = 'mg_index out of range'
         777        1536 :     if(sb_index < 0._wp) error_msg = 'sb_index out of range'
         778        1536 :     if(error_msg /= "") return
         779             :     !
         780             :     ! Calculate solar source function for provided facular and sunspot indices
         781             :     !
         782             :     !$acc parallel loop
         783             :     !$omp target teams distribute parallel do simd
         784      173568 :     do igpt = 1, size(this%solar_source_quiet)
         785           0 :       this%solar_source(igpt) = this%solar_source_quiet(igpt) + &
         786           0 :                                 (mg_index - a_offset) * this%solar_source_facular(igpt) + &
         787      173568 :                                 (sb_index - b_offset) * this%solar_source_sunspot(igpt)
         788             :     end do
         789             :     !
         790             :     ! Scale solar source to input TSI value
         791             :     !
         792        1536 :     if (present(tsi)) error_msg = this%set_tsi(tsi)
         793             :
         794             :   end function set_solar_variability
         795             :   !------------------------------------------------------------------------------------------
         796           0 :   function set_tsi(this, tsi) result(error_msg)
         797             :     !
         798             :     !> Scale the solar source function without changing the spectral distribution
         799             :     !
         800             :     class(ty_gas_optics_rrtmgp), intent(inout) :: this
         801             :     real(wp),                    intent(in   ) :: tsi !! user-specified total solar irradiance;
         802             :     character(len=128)                         :: error_msg !! Empty if successful
         803             :
         804             :     real(wp) :: norm
         805             :     ! ----------------------------------------------------------
         806           0 :     error_msg = ""
         807           0 :     if(tsi < 0._wp) then
         808           0 :       error_msg = 'tsi out of range'
         809             :     else
         810             :       !
         811             :       ! Scale the solar source function to the input tsi
         812             :       !
         813             :       !$acc kernels
         814             :       !$omp target
         815           0 :       norm = 1._wp/sum(this%solar_source(:))
         816           0 :       this%solar_source(:) = this%solar_source(:) * tsi * norm
         817             :       !$acc end kernels
         818             :       !$omp end target
         819             :     end if
         820             :
         821           0 :   end function set_tsi
         822             :   !------------------------------------------------------------------------------------------
         823             :   !
         824             :   ! Compute Planck source functions at layer centers and levels
         825             :   !
         826      746136 :   function source(this,                               &
         827             :                   ncol, nlay, nbnd, ngpt,             &
         828      746136 :                   play, plev, tlay, tsfc,             &
         829      746136 :                   jtemp, jpress, jeta, tropo, fmajor, &
         830             :                   sources,                            & ! Planck sources
         831           0 :                   tlev)                         & ! optional input
         832             :                   result(error_msg)
         833             :     ! inputs
         834             :     class(ty_gas_optics_rrtmgp),    intent(in ) :: this
         835             :     integer,                               intent(in   ) :: ncol, nlay, nbnd, ngpt
         836             :     real(wp), dimension(ncol,nlay),        intent(in   ) :: play   ! layer pressures [Pa, mb]
         837             :     real(wp), dimension(ncol,nlay+1),      intent(in   ) :: plev   ! level pressures [Pa, mb]
         838             :     real(wp), dimension(ncol,nlay),        intent(in   ) :: tlay   ! layer temperatures [K]
         839             :     real(wp), dimension(ncol),             intent(in   ) :: tsfc   ! surface skin temperatures [K]
         840             :     ! Interplation coefficients
         841             :     integer,     dimension(ncol,nlay),     intent(in   ) :: jtemp, jpress
         842             :     logical(wl), dimension(ncol,nlay),     intent(in   ) :: tropo
         843             :     real(wp),    dimension(2,2,2,ncol,nlay,get_nflav(this)),  &
         844             :                                            intent(in   ) :: fmajor
         845             :     integer,     dimension(2,    ncol,nlay,get_nflav(this)),  &
         846             :                                            intent(in   ) :: jeta
         847             :     class(ty_source_func_lw    ),          intent(inout) :: sources
         848             :     real(wp), dimension(ncol,nlay+1),      intent(in   ), &
         849             :                                       optional, target :: tlev          ! level temperatures [K]
         850             :     character(len=128)                                 :: error_msg
         851             :     ! ----------------------------------------------------------
         852             :     logical(wl)                                  :: top_at_1
         853             :     integer                                      :: icol, ilay
         854             :     ! Variables for temperature at layer edges [K] (ncol, nlay+1)
         855     1492272 :     real(wp), dimension(   ncol,nlay+1), target  :: tlev_arr
         856      746136 :     real(wp), dimension(:,:),            pointer :: tlev_wk
         857             :     ! ----------------------------------------------------------
         858      746136 :     error_msg = ""
         859             :     !
         860             :     ! Source function needs temperature at interfaces/levels and at layer centers
         861             :     !
         862      746136 :     if (present(tlev)) then
         863             :       !   Users might have provided these
         864           0 :       tlev_wk => tlev
         865             :     else
         866      746136 :       tlev_wk => tlev_arr
         867             :       !
         868             :       ! Interpolate temperature to levels if not provided
         869             :       !   Interpolation and extrapolation at boundaries is weighted by pressure
         870             :       !
         871    12458736 :       do icol = 1, ncol
         872    23425200 :          tlev_arr(icol,1) = tlay(icol,1) &
         873    11712600 :                            + (plev(icol,1)-play(icol,1))*(tlay(icol,2)-tlay(icol,1))  &
         874    24171336 :               &                                           / (play(icol,2)-play(icol,1))
         875             :       end do
         876    70136784 :       do ilay = 2, nlay
         877  1159408584 :         do icol = 1, ncol
         878  3267815400 :            tlev_arr(icol,ilay) = (play(icol,ilay-1)*tlay(icol,ilay-1)*(plev(icol,ilay  )-play(icol,ilay)) &
         879             :                                 +  play(icol,ilay  )*tlay(icol,ilay  )*(play(icol,ilay-1)-plev(icol,ilay))) /  &
         880  4426477848 :                                   (plev(icol,ilay)*(play(icol,ilay-1) - play(icol,ilay)))
         881             :         end do
         882             :       end do
         883    12458736 :       do icol = 1, ncol
         884    23425200 :          tlev_arr(icol,nlay+1) = tlay(icol,nlay)                                                             &
         885    11712600 :                                 + (plev(icol,nlay+1)-play(icol,nlay))*(tlay(icol,nlay)-tlay(icol,nlay-1))  &
         886    35883936 :                                                                       / (play(icol,nlay)-play(icol,nlay-1))
         887             :       end do
         888             :     end if
         889             :
         890             :     !-------------------------------------------------------------------
         891             :     ! Compute internal (Planck) source functions at layers and levels,
         892             :     !  which depend on mapping from spectral space that creates k-distribution.
         893             :     !$acc        data copyin(sources) copyout( sources%lay_source, sources%lev_source_inc, sources%lev_source_dec) &
         894             :     !$acc                             copyout( sources%sfc_source, sources%sfc_source_Jac)
         895             :     !$omp target data                 map(from:sources%lay_source, sources%lev_source_inc, sources%lev_source_dec) &
         896             :     !$omp                             map(from:sources%sfc_source, sources%sfc_source_Jac)
         897             :
         898             :     !$acc kernels copyout(top_at_1)
         899             :     !$omp target map(from:top_at_1)
         900      746136 :     top_at_1 = play(1,1) < play(1, nlay)
         901             :     !$acc end kernels
         902             :     !$omp end target
         903             :
         904             :     call compute_Planck_source(ncol, nlay, nbnd, ngpt, &
         905             :                 get_nflav(this), this%get_neta(), this%get_npres(), this%get_ntemp(), this%get_nPlanckTemp(), &
         906             :                 tlay, tlev_wk, tsfc, merge(nlay, 1, top_at_1), &
         907             :                 fmajor, jeta, tropo, jtemp, jpress,                    &
         908             :                 this%get_gpoint_bands(), this%get_band_lims_gpoint(), this%planck_frac, this%temp_ref_min,&
         909             :                 this%totplnk_delta, this%totplnk, this%gpoint_flavor,  &
         910             :                 sources%sfc_source, sources%lay_source, sources%lev_source_inc, sources%lev_source_dec, &
         911     1492272 :                 sources%sfc_source_Jac)
         912             :     !$acc end        data
         913             :     !$omp end target data
         914      746136 :   end function source
         915             :   !--------------------------------------------------------------------------------------------------------------------
         916             :   !
         917             :   ! Initialization
         918             :   !
         919             :   !--------------------------------------------------------------------------------------------------------------------
         920             :   ! Initialize object based on data read from netCDF file however the user desires.
         921             :   !  Rayleigh scattering tables may or may not be present; this is indicated with allocation status
         922             :   ! This interface is for the internal-sources object -- includes Plank functions and fractions
         923             :   !
         924        1536 :   function load_int(this, available_gases, gas_names, key_species,  &
         925        1536 :                     band2gpt, band_lims_wavenum,                    &
         926        1536 :                     press_ref, press_ref_trop, temp_ref,            &
         927        1536 :                     temp_ref_p, temp_ref_t, vmr_ref,                &
         928        1536 :                     kmajor, kminor_lower, kminor_upper,             &
         929        1536 :                     gas_minor,identifier_minor,                     &
         930        1536 :                     minor_gases_lower, minor_gases_upper,           &
         931        1536 :                     minor_limits_gpt_lower, minor_limits_gpt_upper, &
         932        1536 :                     minor_scales_with_density_lower,                &
         933        1536 :                     minor_scales_with_density_upper,                &
         934        1536 :                     scaling_gas_lower, scaling_gas_upper,           &
         935        1536 :                     scale_by_complement_lower,                      &
         936        1536 :                     scale_by_complement_upper,                      &
         937        1536 :                     kminor_start_lower,                             &
         938        1536 :                     kminor_start_upper,                             &
         939        1536 :                     totplnk, planck_frac,                           &
         940             :                     rayl_lower, rayl_upper,                         &
         941        1536 :                     optimal_angle_fit) result(err_message)
         942             :     class(ty_gas_optics_rrtmgp),     intent(inout) :: this
         943             :     class(ty_gas_concs),                    intent(in   ) :: available_gases ! Which gases does the host model have available?
         944             :     character(len=*),   dimension(:),       intent(in   ) :: gas_names
         945             :     integer,            dimension(:,:,:),   intent(in   ) :: key_species
         946             :     integer,            dimension(:,:),     intent(in   ) :: band2gpt
         947             :     real(wp),           dimension(:,:),     intent(in   ) :: band_lims_wavenum
         948             :     real(wp),           dimension(:),       intent(in   ) :: press_ref, temp_ref
         949             :     real(wp),                               intent(in   ) :: press_ref_trop, temp_ref_p, temp_ref_t
         950             :     real(wp),           dimension(:,:,:),   intent(in   ) :: vmr_ref
         951             :     real(wp),           dimension(:,:,:,:), intent(in   ) :: kmajor
         952             :     real(wp),           dimension(:,:,:),   intent(in   ) :: kminor_lower, kminor_upper
         953             :     real(wp),           dimension(:,:),     intent(in   ) :: totplnk
         954             :     real(wp),           dimension(:,:,:,:), intent(in   ) :: planck_frac
         955             :     real(wp),           dimension(:,:,:),   intent(in   ), &
         956             :                                               allocatable :: rayl_lower, rayl_upper
         957             :     real(wp),           dimension(:,:),     intent(in   ) :: optimal_angle_fit
         958             :     character(len=*),   dimension(:),       intent(in   ) :: gas_minor,identifier_minor
         959             :     character(len=*),   dimension(:),       intent(in   ) :: minor_gases_lower, &
         960             :                                                              minor_gases_upper
         961             :     integer,            dimension(:,:),     intent(in   ) :: minor_limits_gpt_lower, &
         962             :                                                              minor_limits_gpt_upper
         963             :     logical(wl),        dimension(:),       intent(in   ) :: minor_scales_with_density_lower, &
         964             :                                                              minor_scales_with_density_upper
         965             :     character(len=*),   dimension(:),       intent(in   ) :: scaling_gas_lower, &
         966             :                                                              scaling_gas_upper
         967             :     logical(wl),        dimension(:),       intent(in   ) :: scale_by_complement_lower,&
         968             :                                                              scale_by_complement_upper
         969             :     integer,            dimension(:),       intent(in   ) :: kminor_start_lower,&
         970             :                                                              kminor_start_upper
         971             :     character(len = 128) :: err_message
         972             :     ! ----
         973             :     !$acc enter data copyin(this)
         974        1536 :     call this%finalize()
         975             :     err_message = init_abs_coeffs(this, &
         976             :                                   available_gases, &
         977             :                                   gas_names, key_species,    &
         978             :                                   band2gpt, band_lims_wavenum, &
         979             :                                   press_ref, temp_ref,       &
         980             :                                   press_ref_trop, temp_ref_p, temp_ref_t, &
         981             :                                   vmr_ref,                   &
         982             :                                   kmajor, kminor_lower, kminor_upper, &
         983             :                                   gas_minor,identifier_minor,&
         984             :                                   minor_gases_lower, minor_gases_upper, &
         985             :                                   minor_limits_gpt_lower, &
         986             :                                   minor_limits_gpt_upper, &
         987             :                                   minor_scales_with_density_lower, &
         988             :                                   minor_scales_with_density_upper, &
         989             :                                   scaling_gas_lower, scaling_gas_upper, &
         990             :                                   scale_by_complement_lower, &
         991             :                                   scale_by_complement_upper, &
         992             :                                   kminor_start_lower, &
         993             :                                   kminor_start_upper, &
         994        1536 :                                   rayl_lower, rayl_upper)
         995             :     ! Planck function tables
         996             :     !
         997           0 :     allocate(this%totplnk          (size(totplnk,    1), size(totplnk,   2)), &
         998           0 :              this%planck_frac      (size(planck_frac,4), size(planck_frac,2),size(planck_frac,3), size(planck_frac,1)), &
         999       18432 :              this%optimal_angle_fit(size(optimal_angle_fit,    1), size(optimal_angle_fit,   2)))
        1000     4844544 :     this%totplnk = totplnk
        1001             : !    this%planck_frac = planck_frac
        1002             :     this%planck_frac = RESHAPE(planck_frac,(/size(planck_frac,4), size(planck_frac,2), &
        1003  1604527104 :                                              size(planck_frac,3), size(planck_frac,1)/),ORDER =(/4,2,3,1/))
        1004       76800 :     this%optimal_angle_fit = optimal_angle_fit
        1005             :     !$acc        enter data copyin(this%totplnk, this%planck_frac, this%optimal_angle_fit)
        1006             :     !$omp target enter data map(to:this%totplnk, this%planck_frac, this%optimal_angle_fit)
        1007             :
        1008             :     ! Temperature steps for Planck function interpolation
        1009             :     !   Assumes that temperature minimum and max are the same for the absorption coefficient grid and the
        1010             :     !   Planck grid and the Planck grid is equally spaced
        1011        1536 :     this%totplnk_delta =  (this%temp_ref_max-this%temp_ref_min) / (size(this%totplnk,dim=1)-1)
        1012        1536 :   end function load_int
        1013             :
        1014             :   !--------------------------------------------------------------------------------------------------------------------
        1015             :   !
        1016             :   ! Initialize object based on data read from netCDF file however the user desires.
        1017             :   !  Rayleigh scattering tables may or may not be present; this is indicated with allocation status
        1018             :   ! This interface is for the external-sources object -- includes TOA source function table
        1019             :   !
        1020        1536 :   function load_ext(this, available_gases, gas_names, key_species,        &
        1021        1536 :                     band2gpt, band_lims_wavenum,           &
        1022        1536 :                     press_ref, press_ref_trop, temp_ref, &
        1023        1536 :                     temp_ref_p, temp_ref_t, vmr_ref,     &
        1024        1536 :                     kmajor, kminor_lower, kminor_upper, &
        1025        1536 :                     gas_minor,identifier_minor, &
        1026        1536 :                     minor_gases_lower, minor_gases_upper, &
        1027        1536 :                     minor_limits_gpt_lower, minor_limits_gpt_upper, &
        1028        1536 :                     minor_scales_with_density_lower, &
        1029        1536 :                     minor_scales_with_density_upper, &
        1030        1536 :                     scaling_gas_lower, scaling_gas_upper, &
        1031        1536 :                     scale_by_complement_lower, &
        1032        1536 :                     scale_by_complement_upper, &
        1033        1536 :                     kminor_start_lower, &
        1034        1536 :                     kminor_start_upper, &
        1035        1536 :                     solar_quiet, solar_facular, solar_sunspot, &
        1036             :                     tsi_default, mg_default, sb_default, &
        1037             :                     rayl_lower, rayl_upper)  result(err_message)
        1038             :     class(ty_gas_optics_rrtmgp), intent(inout) :: this
        1039             :     class(ty_gas_concs),         intent(in   ) :: available_gases ! Which gases does the host model have available?
        1040             :     character(len=*), &
        1041             :               dimension(:),       intent(in) :: gas_names
        1042             :     integer,  dimension(:,:,:),   intent(in) :: key_species
        1043             :     integer,  dimension(:,:),     intent(in) :: band2gpt
        1044             :     real(wp), dimension(:,:),     intent(in) :: band_lims_wavenum
        1045             :     real(wp), dimension(:),       intent(in) :: press_ref, temp_ref
        1046             :     real(wp),                     intent(in) :: press_ref_trop, temp_ref_p, temp_ref_t
        1047             :     real(wp), dimension(:,:,:),   intent(in) :: vmr_ref
        1048             :     real(wp), dimension(:,:,:,:), intent(in) :: kmajor
        1049             :     real(wp), dimension(:,:,:),   intent(in) :: kminor_lower, kminor_upper
        1050             :     character(len=*),   dimension(:), &
        1051             :                                   intent(in) :: gas_minor, &
        1052             :                                                 identifier_minor
        1053             :     character(len=*),   dimension(:), &
        1054             :                                   intent(in) :: minor_gases_lower, &
        1055             :                                                 minor_gases_upper
        1056             :     integer,  dimension(:,:),     intent(in) :: &
        1057             :                                                 minor_limits_gpt_lower, &
        1058             :                                                 minor_limits_gpt_upper
        1059             :     logical(wl),    dimension(:), intent(in) :: &
        1060             :                                                 minor_scales_with_density_lower, &
        1061             :                                                 minor_scales_with_density_upper
        1062             :     character(len=*),dimension(:),intent(in) :: &
        1063             :                                                 scaling_gas_lower, &
        1064             :                                                 scaling_gas_upper
        1065             :     logical(wl),    dimension(:), intent(in) :: &
        1066             :                                                 scale_by_complement_lower, &
        1067             :                                                 scale_by_complement_upper
        1068             :     integer,        dimension(:), intent(in) :: &
        1069             :                                                 kminor_start_lower, &
        1070             :                                                 kminor_start_upper
        1071             :     real(wp),       dimension(:), intent(in) :: solar_quiet, &
        1072             :                                                 solar_facular, &
        1073             :                                                 solar_sunspot
        1074             :     real(wp),                     intent(in) :: tsi_default, &
        1075             :                                                 mg_default, sb_default
        1076             :     real(wp), dimension(:,:,:),   intent(in), &
        1077             :                                  allocatable :: rayl_lower, rayl_upper
        1078             :     character(len = 128) err_message
        1079             :
        1080             :     integer :: ngpt
        1081             :     ! ----
        1082             :     !$acc enter data copyin(this)
        1083        1536 :     call this%finalize()
        1084             :     err_message = init_abs_coeffs(this, &
        1085             :                                   available_gases, &
        1086             :                                   gas_names, key_species,    &
        1087             :                                   band2gpt, band_lims_wavenum, &
        1088             :                                   press_ref, temp_ref,       &
        1089             :                                   press_ref_trop, temp_ref_p, temp_ref_t, &
        1090             :                                   vmr_ref,                   &
        1091             :                                   kmajor, kminor_lower, kminor_upper, &
        1092             :                                   gas_minor,identifier_minor, &
        1093             :                                   minor_gases_lower, minor_gases_upper, &
        1094             :                                   minor_limits_gpt_lower, &
        1095             :                                   minor_limits_gpt_upper, &
        1096             :                                   minor_scales_with_density_lower, &
        1097             :                                   minor_scales_with_density_upper, &
        1098             :                                   scaling_gas_lower, scaling_gas_upper, &
        1099             :                                   scale_by_complement_lower, &
        1100             :                                   scale_by_complement_upper, &
        1101             :                                   kminor_start_lower, &
        1102             :                                   kminor_start_upper, &
        1103        1536 :                                   rayl_lower, rayl_upper)
        1104        1536 :     if(err_message == "") then
        1105             :     !
        1106             :     ! Spectral solar irradiance terms init
        1107             :     !
        1108        1536 :       ngpt = size(solar_quiet)
        1109           0 :       allocate(this%solar_source_quiet(ngpt), this%solar_source_facular(ngpt), &
        1110        9216 :                this%solar_source_sunspot(ngpt), this%solar_source(ngpt))
        1111             :       !$acc        enter data create(   this%solar_source_quiet, this%solar_source_facular, this%solar_source_sunspot, this%solar_source)
        1112             :       !$omp target enter data map(alloc:this%solar_source_quiet, this%solar_source_facular, this%solar_source_sunspot, this%solar_source)
        1113             :       !$acc kernels
        1114             :       !$omp target
        1115      175104 :       this%solar_source_quiet   = solar_quiet
        1116      175104 :       this%solar_source_facular = solar_facular
        1117      175104 :       this%solar_source_sunspot = solar_sunspot
        1118             :       !$acc end kernels
        1119             :       !$omp end target
        1120        1536 :       err_message = this%set_solar_variability(mg_default, sb_default)
        1121             :     endif
        1122        1536 :   end function load_ext
        1123             :   !--------------------------------------------------------------------------------------------------------------------
        1124             :   !
        1125             :   ! Initialize absorption coefficient arrays,
        1126             :   !   including Rayleigh scattering tables if provided (allocated)
        1127             :   !
        1128        3072 :   function init_abs_coeffs(this, &
        1129             :                            available_gases, &
        1130       12288 :                            gas_names, key_species,    &
        1131        3072 :                            band2gpt, band_lims_wavenum, &
        1132        3072 :                            press_ref, temp_ref,       &
        1133             :                            press_ref_trop, temp_ref_p, temp_ref_t, &
        1134        3072 :                            vmr_ref,                   &
        1135        3072 :                            kmajor, kminor_lower, kminor_upper, &
        1136        3072 :                            gas_minor,identifier_minor,&
        1137        6144 :                            minor_gases_lower, minor_gases_upper, &
        1138        3072 :                            minor_limits_gpt_lower, &
        1139        3072 :                            minor_limits_gpt_upper, &
        1140        3072 :                            minor_scales_with_density_lower, &
        1141        3072 :                            minor_scales_with_density_upper, &
        1142        6144 :                            scaling_gas_lower, scaling_gas_upper, &
        1143        3072 :                            scale_by_complement_lower, &
        1144        3072 :                            scale_by_complement_upper, &
        1145        3072 :                            kminor_start_lower, &
        1146        3072 :                            kminor_start_upper, &
        1147             :                            rayl_lower, rayl_upper) result(err_message)
        1148             :     class(ty_gas_optics_rrtmgp), intent(inout) :: this
        1149             :     class(ty_gas_concs),                intent(in   ) :: available_gases
        1150             :     character(len=*), &
        1151             :               dimension(:),       intent(in) :: gas_names
        1152             :     integer,  dimension(:,:,:),   intent(in) :: key_species
        1153             :     integer,  dimension(:,:),     intent(in) :: band2gpt
        1154             :     real(wp), dimension(:,:),     intent(in) :: band_lims_wavenum
        1155             :     real(wp), dimension(:),       intent(in) :: press_ref, temp_ref
        1156             :     real(wp),                     intent(in) :: press_ref_trop, temp_ref_p, temp_ref_t
        1157             :     real(wp), dimension(:,:,:),   intent(in) :: vmr_ref
        1158             :     real(wp), dimension(:,:,:,:), intent(in) :: kmajor
        1159             :     real(wp), dimension(:,:,:),   intent(in) :: kminor_lower, kminor_upper
        1160             :     character(len=*),   dimension(:), &
        1161             :                                   intent(in) :: gas_minor, &
        1162             :                                                 identifier_minor
        1163             :     character(len=*),   dimension(:), &
        1164             :                                   intent(in) :: minor_gases_lower, &
        1165             :                                                 minor_gases_upper
        1166             :     integer,  dimension(:,:),     intent(in) :: minor_limits_gpt_lower, &
        1167             :                                                 minor_limits_gpt_upper
        1168             :     logical(wl), dimension(:),    intent(in) :: minor_scales_with_density_lower, &
        1169             :                                                 minor_scales_with_density_upper
        1170             :     character(len=*),   dimension(:),&
        1171             :                                   intent(in) :: scaling_gas_lower, &
        1172             :                                                 scaling_gas_upper
        1173             :     logical(wl), dimension(:),    intent(in) :: scale_by_complement_lower, &
        1174             :                                                 scale_by_complement_upper
        1175             :     integer,  dimension(:),       intent(in) :: kminor_start_lower, &
        1176             :                                                 kminor_start_upper
        1177             :     real(wp), dimension(:,:,:),   intent(in), &
        1178             :                                  allocatable :: rayl_lower, rayl_upper
        1179             :     character(len=128)                       :: err_message
        1180             :     ! --------------------------------------------------------------------------
        1181        3072 :     logical,  dimension(:),     allocatable :: gas_is_present
        1182        3072 :     logical,  dimension(:),     allocatable :: key_species_present_init
        1183        3072 :     integer,  dimension(:,:,:), allocatable :: key_species_red
        1184        3072 :     real(wp), dimension(:,:,:), allocatable :: vmr_ref_red
        1185             :     character(len=256), &
        1186        3072 :               dimension(:),     allocatable :: minor_gases_lower_red, &
        1187        3072 :                                                minor_gases_upper_red
        1188             :     character(len=256), &
        1189        3072 :               dimension(:),     allocatable :: scaling_gas_lower_red, &
        1190        3072 :                                                scaling_gas_upper_red
        1191             :     integer :: i, j, idx
        1192             :     integer :: ngas
        1193             :     ! --------------------------------------
        1194        3072 :     err_message = this%ty_optical_props%init(band_lims_wavenum, band2gpt)
        1195        3072 :     if(len_trim(err_message) /= 0) return
        1196             :     !
        1197             :     ! Which gases known to the gas optics are present in the host model (available_gases)?
        1198             :     !
        1199        3072 :     ngas = size(gas_names)
        1200        9216 :     allocate(gas_is_present(ngas))
        1201       61440 :     do i = 1, ngas
        1202             :       ! Next line causes a compiler bug in gfortran 11.0.1 on Mac ARM
        1203             :       ! Should replace gas_names with get_gas_names() and make gas_names private in ty_gas_concs
        1204       61440 :       gas_is_present(i) = string_in_array(gas_names(i), available_gases%gas_names)
        1205             :     end do
        1206             :     !
        1207             :     ! Now the number of gases is the union of those known to the k-distribution and provided
        1208             :     !   by the host model
        1209             :     !
        1210       61440 :     ngas = count(gas_is_present)
        1211             :     !
        1212             :     ! Initialize the gas optics object, keeping only those gases known to the
        1213             :     !   gas optics and also present in the host model
        1214             :     !
        1215       30720 :     this%gas_names = pack(gas_names,mask=gas_is_present)
        1216             :     ! Copy-ins below
        1217             :
        1218             :     allocate(vmr_ref_red(size(vmr_ref,dim=1),0:ngas, &
        1219       15360 :                          size(vmr_ref,dim=3)))
        1220             :     ! Gas 0 is used in single-key species method, set to 1.0 (col_dry)
        1221      132096 :     vmr_ref_red(:,0,:) = vmr_ref(:,1,:)
        1222       27648 :     do i = 1, ngas
        1223       24576 :       idx = string_loc_in_array(this%gas_names(i), gas_names)
        1224     1059840 :       vmr_ref_red(:,i,:) = vmr_ref(:,idx+1,:)
        1225             :     enddo
        1226        3072 :     call move_alloc(vmr_ref_red, this%vmr_ref)
        1227             :     !$acc        enter data copyin(this%vmr_ref, this%gas_names)
        1228             :     !$omp target enter data map(to:this%vmr_ref, this%gas_names)
        1229             :     !
        1230             :     ! Reduce minor arrays so variables only contain minor gases that are available
        1231             :     ! Reduce size of minor Arrays
        1232             :     !
        1233             :     call reduce_minor_arrays(available_gases, &
        1234             :                              gas_minor,identifier_minor, &
        1235             :                              kminor_lower, &
        1236             :                              minor_gases_lower, &
        1237             :                              minor_limits_gpt_lower, &
        1238             :                              minor_scales_with_density_lower, &
        1239             :                              scaling_gas_lower, &
        1240             :                              scale_by_complement_lower, &
        1241             :                              kminor_start_lower, &
        1242             :                              this%kminor_lower, &
        1243             :                              minor_gases_lower_red, &
        1244             :                              this%minor_limits_gpt_lower, &
        1245             :                              this%minor_scales_with_density_lower, &
        1246             :                              scaling_gas_lower_red, &
        1247             :                              this%scale_by_complement_lower, &
        1248        3072 :                              this%kminor_start_lower)
        1249             :     call reduce_minor_arrays(available_gases, &
        1250             :                              gas_minor,identifier_minor,&
        1251             :                              kminor_upper, &
        1252             :                              minor_gases_upper, &
        1253             :                              minor_limits_gpt_upper, &
        1254             :                              minor_scales_with_density_upper, &
        1255             :                              scaling_gas_upper, &
        1256             :                              scale_by_complement_upper, &
        1257             :                              kminor_start_upper, &
        1258             :                              this%kminor_upper, &
        1259             :                              minor_gases_upper_red, &
        1260             :                              this%minor_limits_gpt_upper, &
        1261             :                              this%minor_scales_with_density_upper, &
        1262             :                              scaling_gas_upper_red, &
        1263             :                              this%scale_by_complement_upper, &
        1264        3072 :                              this%kminor_start_upper)
        1265             :    !$acc        enter data copyin(this%minor_limits_gpt_lower, this%minor_limits_gpt_upper)
        1266             :    !$omp target enter data map(to:this%minor_limits_gpt_lower, this%minor_limits_gpt_upper)
        1267             :    !$acc        enter data copyin(this%minor_scales_with_density_lower, this%minor_scales_with_density_upper)
        1268             :    !$omp target enter data map(to:this%minor_scales_with_density_lower, this%minor_scales_with_density_upper)
        1269             :    !$acc        enter data copyin(this%scale_by_complement_lower, this%scale_by_complement_upper)
        1270             :    !$omp target enter data map(to:this%scale_by_complement_lower, this%scale_by_complement_upper)
        1271             :    !$acc        enter data copyin(this%kminor_start_lower, this%kminor_start_upper)
        1272             :    !$omp target enter data map(to:this%kminor_start_lower, this%kminor_start_upper)
        1273             :    !$acc        enter data copyin(this%kminor_lower, this%kminor_upper)
        1274             :    !$omp target enter data map(to:this%kminor_lower, this%kminor_upper)
        1275             :
        1276             :     ! Arrays not reduced by the presence, or lack thereof, of a gas
        1277           0 :     allocate(this%press_ref(size(press_ref)), this%temp_ref(size(temp_ref)), &
        1278       30720 :              this%kmajor(size(kmajor,4),size(kmajor,2),size(kmajor,3),size(kmajor,1)))
        1279      184320 :     this%press_ref(:) = press_ref(:)
        1280       46080 :     this%temp_ref(:)  = temp_ref(:)
        1281  3008489472 :     this%kmajor = RESHAPE(kmajor,(/size(kmajor,4),size(kmajor,2),size(kmajor,3),size(kmajor,1)/), ORDER= (/4,2,3,1/))
        1282             :     !$acc        enter data copyin(this%press_ref, this%temp_ref, this%kmajor)
        1283             :     !$omp target enter data map(to:this%press_ref, this%temp_ref, this%kmajor)
        1284             :
        1285             :
        1286        3072 :     if(allocated(rayl_lower) .neqv. allocated(rayl_upper)) then
        1287           0 :       err_message = "rayl_lower and rayl_upper must have the same allocation status"
        1288           0 :       return
        1289             :     end if
        1290        3072 :     if (allocated(rayl_lower)) then
        1291        9216 :       allocate(this%krayl(size(rayl_lower,dim=3),size(rayl_lower,dim=2),size(rayl_lower,dim=1),2))
        1292           0 :       this%krayl(:,:,:,1) = RESHAPE(rayl_lower,(/size(rayl_lower,dim=3),size(rayl_lower,dim=2), &
        1293    23402496 :                                                  size(rayl_lower,dim=1)/),ORDER =(/3,2,1/))
        1294           0 :       this%krayl(:,:,:,2) = RESHAPE(rayl_upper,(/size(rayl_lower,dim=3),size(rayl_lower,dim=2), &
        1295    23402496 :                                                  size(rayl_lower,dim=1)/),ORDER =(/3,2,1/))
        1296             :       !$acc        enter data copyin(this%krayl)
        1297             :       !$omp target enter data map(to:this%krayl)
        1298             :     end if
        1299             :
        1300             :     ! ---- post processing ----
        1301             :     ! creates log reference pressure
        1302        9216 :     allocate(this%press_ref_log(size(this%press_ref)))
        1303      184320 :     this%press_ref_log(:) = log(this%press_ref(:))
        1304             :     !$acc        enter data copyin(this%press_ref_log)
        1305             :     !$omp target enter data map(to:this%press_ref_log)
        1306             :
        1307             :     ! log scale of reference pressure
        1308        3072 :     this%press_ref_trop_log = log(press_ref_trop)
        1309             :
        1310             :     ! Get index of gas (if present) for determining col_gas
        1311        3072 :     call create_idx_minor(this%gas_names, gas_minor, identifier_minor, minor_gases_lower_red, this%idx_minor_lower)
        1312        3072 :     call create_idx_minor(this%gas_names, gas_minor, identifier_minor, minor_gases_upper_red, this%idx_minor_upper)
        1313             :     ! Get index of gas (if present) that has special treatment in density scaling
        1314        3072 :     call create_idx_minor_scaling(this%gas_names, scaling_gas_lower_red, this%idx_minor_scaling_lower)
        1315        3072 :     call create_idx_minor_scaling(this%gas_names, scaling_gas_upper_red, this%idx_minor_scaling_upper)
        1316             :     !$acc        enter data copyin(this%idx_minor_lower, this%idx_minor_upper)
        1317             :     !$omp target enter data map(to:this%idx_minor_lower, this%idx_minor_upper)
        1318             :     !$acc        enter data copyin(this%idx_minor_scaling_lower, this%idx_minor_scaling_upper)
        1319             :     !$omp target enter data map(to:this%idx_minor_scaling_lower, this%idx_minor_scaling_upper)
        1320             :
        1321             :     ! create flavor list
        1322             :     ! Reduce (remap) key_species list; checks that all key gases are present in incoming
        1323             :     call create_key_species_reduce(gas_names,this%gas_names, &
        1324        3072 :       key_species,key_species_red,key_species_present_init)
        1325        3072 :     err_message = check_key_species_present_init(gas_names,key_species_present_init)
        1326        3072 :     if(len_trim(err_message) /= 0) return
        1327             :     ! create flavor list
        1328        3072 :     call create_flavor(key_species_red, this%flavor)
        1329             :     ! create gpoint_flavor list
        1330        3072 :     call create_gpoint_flavor(key_species_red, this%get_gpoint_bands(), this%flavor, this%gpoint_flavor)
        1331             :     !Copy-ins at end of subroutine
        1332             :
        1333             :     ! minimum, maximum reference temperature, pressure -- assumes low-to-high ordering
        1334             :     !   for T, high-to-low ordering for p
        1335        3072 :     this%temp_ref_min  = this%temp_ref (1)
        1336        3072 :     this%temp_ref_max  = this%temp_ref (size(this%temp_ref))
        1337        3072 :     this%press_ref_min = this%press_ref(size(this%press_ref))
        1338        3072 :     this%press_ref_max = this%press_ref(1)
        1339             :
        1340             :     ! creates press_ref_log, temp_ref_delta
        1341        3072 :     this%press_ref_log_delta = (log(this%press_ref_min)-log(this%press_ref_max))/(size(this%press_ref)-1)
        1342        3072 :     this%temp_ref_delta      = (this%temp_ref_max-this%temp_ref_min)/(size(this%temp_ref)-1)
        1343             :
        1344             :     ! Which species are key in one or more bands?
        1345             :     !   this%flavor is an index into this%gas_names
        1346             :     !
        1347        3072 :     if (allocated(this%is_key)) deallocate(this%is_key) ! Shouldn't ever happen...
        1348        9216 :     allocate(this%is_key(this%get_ngas()))
        1349       27648 :     this%is_key(:) = .False.
        1350       32256 :     do j = 1, size(this%flavor, 2)
        1351       90624 :       do i = 1, size(this%flavor, 1) ! extents should be 2
        1352       87552 :         if (this%flavor(i,j) /= 0) this%is_key(this%flavor(i,j)) = .true.
        1353             :       end do
        1354             :     end do
        1355             :     !$acc        enter data copyin(this%flavor, this%gpoint_flavor, this%is_key)
        1356             :     !$omp target enter data map(to:this%flavor, this%gpoint_flavor, this%is_key)
        1357             :
        1358       12288 :   end function init_abs_coeffs
        1359             :   ! ----------------------------------------------------------------------------------------------------
        1360        3072 :   function check_key_species_present_init(gas_names, key_species_present_init) result(err_message)
        1361             :     logical,          dimension(:), intent(in) :: key_species_present_init
        1362             :     character(len=*), dimension(:), intent(in) :: gas_names
        1363             :     character(len=128)                             :: err_message
        1364             :
        1365             :     integer :: i
        1366             :
        1367        3072 :     err_message=''
        1368       61440 :     do i = 1, size(key_species_present_init)
        1369       58368 :       if(.not. key_species_present_init(i)) &
        1370        3072 :         err_message = ' ' // trim(gas_names(i)) // trim(err_message)
        1371             :     end do
        1372        3072 :     if(len_trim(err_message) > 0) err_message = "gas_optics: required gases" // trim(err_message) // " are not provided"
        1373             :
        1374        3072 :   end function check_key_species_present_init
        1375             :   !------------------------------------------------------------------------------------------
        1376             :   !
        1377             :   ! Ensure that every key gas required by the k-distribution is
        1378             :   !    present in the gas concentration object
        1379             :   !
        1380     1135399 :   function check_key_species_present(this, gas_desc) result(error_msg)
        1381             :     class(ty_gas_optics_rrtmgp), intent(in) :: this
        1382             :     class(ty_gas_concs),                intent(in) :: gas_desc
        1383             :     character(len=128)                             :: error_msg
        1384             :
        1385             :     ! Local variables
        1386    10218591 :     character(len=32), dimension(count(this%is_key(:)  )) :: key_gas_names
        1387             :     integer                                               :: igas
        1388             :     ! --------------------------------------
        1389     1135399 :     error_msg = ""
        1390     1135399 :     key_gas_names = pack(this%gas_names, mask=this%is_key)
        1391     6812394 :     do igas = 1, size(key_gas_names)
        1392             :       ! Next line causes a compiler bug in gfortran 11.0.1 on Mac ARM
        1393             :       ! Should replace gas_names with get_gas_names() and make gas_names private in ty_gas_concs
        1394     5676995 :       if(.not. string_in_array(key_gas_names(igas), gas_desc%gas_names)) &
        1395     1135399 :         error_msg = ' ' // trim(lower_case(key_gas_names(igas))) // trim(error_msg)
        1396             :     end do
        1397     1135399 :     if(len_trim(error_msg) > 0) error_msg = "gas_optics: required gases" // trim(error_msg) // " are not provided"
        1398             :
        1399     1135399 :   end function check_key_species_present
        1400             :   !--------------------------------------------------------------------------------------------------------------------
        1401             :   !
        1402             :   ! Inquiry functions
        1403             :   !
        1404             :   !--------------------------------------------------------------------------------------------------------------------
        1405             :   !
        1406             :   !> return true if initialized for internal sources/longwave, false otherwise
        1407             :   !
        1408           0 :   pure function source_is_internal(this)
        1409             :     class(ty_gas_optics_rrtmgp), intent(in) :: this
        1410             :     logical                          :: source_is_internal
        1411           0 :     source_is_internal = allocated(this%totplnk) .and. allocated(this%planck_frac)
        1412           0 :   end function source_is_internal
        1413             :   !--------------------------------------------------------------------------------------------------------------------
        1414             :   !
        1415             :   !> return true if initialized for external sources/shortwave, false otherwise
        1416             :   !
        1417           0 :   pure function source_is_external(this)
        1418             :     class(ty_gas_optics_rrtmgp), intent(in) :: this
        1419             :     logical                          :: source_is_external
        1420           0 :     source_is_external = allocated(this%solar_source)
        1421           0 :   end function source_is_external
        1422             :
        1423             :   !--------------------------------------------------------------------------------------------------------------------
        1424             :   !
        1425             :   !> return the names of the gases known to the k-distributions
        1426             :   !
        1427           0 :   pure function get_gases(this)
        1428             :     class(ty_gas_optics_rrtmgp), intent(in)  :: this
        1429             :     character(32), dimension(get_ngas(this)) :: get_gases !! names of the gases known to the k-distributions
        1430             :
        1431           0 :     get_gases = this%gas_names
        1432             :   end function get_gases
        1433             :   !--------------------------------------------------------------------------------------------------------------------
        1434             :   !
        1435             :   !> return the minimum pressure on the interpolation grids
        1436             :   !
        1437      746136 :   pure function get_press_min(this)
        1438             :     class(ty_gas_optics_rrtmgp), intent(in) :: this
        1439             :     real(wp)                                :: get_press_min !! minimum pressure for which the k-dsitribution is valid
        1440             :
        1441      746136 :     get_press_min = this%press_ref_min
        1442      746136 :   end function get_press_min
        1443             :
        1444             :   !--------------------------------------------------------------------------------------------------------------------
        1445             :   !
        1446             :   !> return the maximum pressure on the interpolation grids
        1447             :   !
        1448           0 :   pure function get_press_max(this)
        1449             :     class(ty_gas_optics_rrtmgp), intent(in) :: this
        1450             :     real(wp)                                :: get_press_max !! maximum pressure for which the k-dsitribution is valid
        1451             :
        1452           0 :     get_press_max = this%press_ref_max
        1453           0 :   end function get_press_max
        1454             :
        1455             :   !--------------------------------------------------------------------------------------------------------------------
        1456             :   !
        1457             :   !> return the minimum temparature on the interpolation grids
        1458             :   !
        1459      746136 :   pure function get_temp_min(this)
        1460             :     class(ty_gas_optics_rrtmgp), intent(in) :: this
        1461             :     real(wp)                                :: get_temp_min !! minimum temperature for which the k-dsitribution is valid
        1462             :
        1463      746136 :     get_temp_min = this%temp_ref_min
        1464      746136 :   end function get_temp_min
        1465             :
        1466             :   !--------------------------------------------------------------------------------------------------------------------
        1467             :   !
        1468             :   !> return the maximum temparature on the interpolation grids
        1469             :   !
        1470      746136 :   pure function get_temp_max(this)
        1471             :     class(ty_gas_optics_rrtmgp), intent(in) :: this
        1472             :     real(wp)                                :: get_temp_max !! maximum temperature for which the k-dsitribution is valid
        1473             :
        1474      746136 :     get_temp_max = this%temp_ref_max
        1475      746136 :   end function get_temp_max
        1476             :   !--------------------------------------------------------------------------------------------------------------------
        1477             :   !
        1478             :   !> Utility function, provided for user convenience
        1479             :   !> computes column amounts of dry air using hydrostatic equation
        1480             :   !
        1481     1135399 :   function get_col_dry(vmr_h2o, plev, latitude) result(col_dry)
        1482             :     ! input
        1483             :     real(wp), dimension(:,:), intent(in) :: vmr_h2o  ! volume mixing ratio of water vapor to dry air; (ncol,nlay)
        1484             :     real(wp), dimension(:,:), intent(in) :: plev     ! Layer boundary pressures [Pa] (ncol,nlay+1)
        1485             :     real(wp), dimension(:),   optional, &
        1486             :                               intent(in) :: latitude ! Latitude [degrees] (ncol)
        1487             :     ! output
        1488             :     real(wp), dimension(size(plev,dim=1),size(plev,dim=2)-1) :: col_dry ! Column dry amount (ncol,nlay)
        1489             :     ! ------------------------------------------------
        1490             :     ! first and second term of Helmert formula
        1491             :     real(wp), parameter :: helmert1 = 9.80665_wp
        1492             :     real(wp), parameter :: helmert2 = 0.02586_wp
        1493             :     ! local variables
        1494     2270798 :     real(wp), dimension(size(plev,dim=1)) :: g0 ! (ncol)
        1495             :     real(wp):: delta_plev, m_air, fact
        1496             :     integer :: ncol, nlev
        1497             :     integer :: icol, ilev ! nlay = nlev-1
        1498             :     ! ------------------------------------------------
        1499     1135399 :     ncol = size(plev, dim=1)
        1500     1135399 :     nlev = size(plev, dim=2)
        1501             :     !$acc        data    create(g0)
        1502             :     !$omp target data map(alloc:g0)
        1503     1135399 :     if(present(latitude)) then
        1504             :       ! A purely OpenACC implementation would probably compute g0 within the kernel below
        1505             :       !$acc parallel loop
        1506             :       !$omp target teams distribute parallel do simd
        1507           0 :       do icol = 1, ncol
        1508           0 :         g0(icol) = helmert1 - helmert2 * cos(2.0_wp * pi * latitude(icol) / 180.0_wp) ! acceleration due to gravity [m/s^2]
        1509             :       end do
        1510             :     else
        1511             :       !$acc parallel loop
        1512             :       !$omp target teams distribute parallel do simd
        1513    18704299 :       do icol = 1, ncol
        1514    18704299 :         g0(icol) = grav
        1515             :       end do
        1516             :     end if
        1517             :
        1518             :     !$acc                parallel loop gang vector collapse(2) copyin(plev,vmr_h2o)  copyout(col_dry)
        1519             :     !$omp target teams distribute parallel do simd collapse(2) map(to:plev,vmr_h2o) map(from:col_dry)
        1520   107862905 :     do ilev = 1, nlev-1
        1521  1759339505 :       do icol = 1, ncol
        1522  1651476600 :         delta_plev = abs(plev(icol,ilev) - plev(icol,ilev+1))
        1523             :         ! Get average mass of moist air per mole of moist air
        1524  1651476600 :         fact = 1._wp / (1.+vmr_h2o(icol,ilev))
        1525  1651476600 :         m_air = (m_dry + m_h2o * vmr_h2o(icol,ilev)) * fact
        1526  1758204106 :         col_dry(icol,ilev) = 10._wp * delta_plev * avogad * fact/(1000._wp*m_air*100._wp*g0(icol))
        1527             :       end do
        1528             :     end do
        1529             :     !$acc end        data
        1530             :     !$omp end target data
        1531     1135399 :   end function get_col_dry
        1532             :   !--------------------------------------------------------------------------------------------------------------------
        1533             :   !
        1534             :   !> Compute a transport angle that minimizes flux errors at surface and TOA based on empirical fits
        1535             :   !
        1536           0 :   function compute_optimal_angles(this, optical_props, optimal_angles) result(err_msg)
        1537             :     ! input
        1538             :     class(ty_gas_optics_rrtmgp),  intent(in   ) :: this
        1539             :     class(ty_optical_props_arry), intent(in   ) :: optical_props  !! Optical properties
        1540             :     real(wp), dimension(:,:),     intent(  out) :: optimal_angles !! Secant of optical transport angle
        1541             :     character(len=128)                          :: err_msg        !! Empty if successful
        1542             :     !----------------------------
        1543             :     integer  :: ncol, nlay, ngpt
        1544             :     integer  :: icol, ilay, igpt, bnd
        1545             :     real(wp) :: t, trans_total
        1546             : #if defined _CRAYFTN && _RELEASE_MAJOR == 14 && _RELEASE_MINOR == 0 && _RELEASE_PATCHLEVEL == 3
        1547             : # define CRAY_WORKAROUND
        1548             : #endif
        1549             : #ifdef CRAY_WORKAROUND
        1550             :     integer, allocatable :: bands(:)
        1551             : #else
        1552           0 :     integer :: bands(optical_props%get_ngpt())
        1553             : #endif
        1554             :     !----------------------------
        1555           0 :     ncol = optical_props%get_ncol()
        1556           0 :     nlay = optical_props%get_nlay()
        1557           0 :     ngpt = optical_props%get_ngpt()
        1558             : #ifdef CRAY_WORKAROUND
        1559             :     allocate( bands(ngpt) )  ! In order to work with CCE 14  (it is also better software)
        1560             : #endif
        1561             :
        1562           0 :     err_msg=""
        1563           0 :     if(.not. this%gpoints_are_equal(optical_props)) &
        1564           0 :       err_msg = "gas_optics%compute_optimal_angles: optical_props has different spectral discretization than gas_optics"
        1565           0 :     if(.not. extents_are(optimal_angles, ncol, ngpt)) &
        1566           0 :       err_msg = "gas_optics%compute_optimal_angles: optimal_angles different dimension (ncol)"
        1567           0 :     if (err_msg /=  "") return
        1568             :
        1569           0 :     do igpt = 1, ngpt
        1570           0 :       bands(igpt) = optical_props%convert_gpt2band(igpt)
        1571             :     enddo
        1572             :     !
        1573             :     ! column transmissivity
        1574             :     !
        1575             :     !$acc parallel loop gang vector collapse(2) copyin(bands, optical_props, optical_props%tau) copyout(optimal_angles)
        1576             :     !$omp target teams distribute parallel do simd collapse(2) map(to:bands, optical_props%tau) map(from:optimal_angles)
        1577           0 :     do icol = 1, ncol
        1578           0 :       do igpt = 1, ngpt
        1579             :         !
        1580             :         ! Column transmissivity
        1581             :         !
        1582             :         t = 0._wp
        1583           0 :         trans_total = 0._wp
        1584           0 :         do ilay = 1, nlay
        1585           0 :           t = t + optical_props%tau(icol,ilay,igpt)
        1586             :         end do
        1587           0 :         trans_total = exp(-t)
        1588             :         !
        1589             :         ! Optimal transport angle is a linear fit to column transmissivity
        1590             :         !
        1591           0 :         optimal_angles(icol,igpt) = this%optimal_angle_fit(1,bands(igpt))*trans_total + &
        1592           0 :                                     this%optimal_angle_fit(2,bands(igpt))
        1593             :       end do
        1594             :     end do
        1595             :   end function compute_optimal_angles
        1596             :   !--------------------------------------------------------------------------------------------------------------------
        1597             :   !
        1598             :   ! Internal procedures
        1599             :   !
        1600             :   !--------------------------------------------------------------------------------------------------------------------
        1601      829440 :   pure function rewrite_key_species_pair(key_species_pair)
        1602             :     ! (0,0) becomes (2,2) -- because absorption coefficients for these g-points will be 0.
        1603             :     integer, dimension(2) :: rewrite_key_species_pair
        1604             :     integer, dimension(2), intent(in) :: key_species_pair
        1605     2488320 :     rewrite_key_species_pair = key_species_pair
        1606      943104 :     if (all(key_species_pair(:).eq.(/0,0/))) then
        1607      170496 :       rewrite_key_species_pair(:) = (/2,2/)
        1608             :     end if
        1609             :   end function
        1610             :
        1611             :   ! ---------------------------------------------------------------------------------------
        1612             :   ! true is key_species_pair exists in key_species_list
        1613      184320 :   pure function key_species_pair_exists(key_species_list, key_species_pair)
        1614             :     logical                             :: key_species_pair_exists
        1615             :     integer, dimension(:,:), intent(in) :: key_species_list
        1616             :     integer, dimension(2),   intent(in) :: key_species_pair
        1617             :     integer :: i
        1618     1892352 :     do i=1,size(key_species_list,dim=2)
        1619     2697216 :       if (all(key_species_list(:,i).eq.key_species_pair(:))) then
        1620      125952 :         key_species_pair_exists = .true.
        1621      125952 :         return
        1622             :       end if
        1623             :     end do
        1624       58368 :     key_species_pair_exists = .false.
        1625       58368 :   end function key_species_pair_exists
        1626             :   ! ---------------------------------------------------------------------------------------
        1627             :   ! create flavor list --
        1628             :   !   an unordered array of extent (2,:) containing all possible pairs of key species
        1629             :   !   used in either upper or lower atmos
        1630             :   !
        1631        3072 :   subroutine create_flavor(key_species, flavor)
        1632             :     integer, dimension(:,:,:), intent(in) :: key_species
        1633             :     integer, dimension(:,:), allocatable, intent(out) :: flavor
        1634        6144 :     integer, dimension(2,size(key_species,3)*2) :: key_species_list
        1635             :
        1636             :     integer :: ibnd, iatm, i, iflavor
        1637             :     ! prepare list of key_species
        1638        3072 :     i = 1
        1639       49152 :     do ibnd=1,size(key_species,3)   ! bands
        1640      141312 :       do iatm=1,size(key_species,2) ! upper/lower atmosphere
        1641      276480 :         key_species_list(:,i) = key_species(:,iatm,ibnd)
        1642      138240 :         i = i + 1
        1643             :       end do
        1644             :     end do
        1645             :     ! rewrite single key_species pairs
        1646       95232 :     do i=1,size(key_species_list,2)
        1647      279552 :         key_species_list(:,i) = rewrite_key_species_pair(key_species_list(:,i))
        1648             :     end do
        1649             :     ! count unique key species pairs
        1650        3072 :     iflavor = 0
        1651       95232 :     do i=1,size(key_species_list,2)
        1652       95232 :       if (.not.key_species_pair_exists(key_species_list(:,1:i-1),key_species_list(:,i))) then
        1653       29184 :         iflavor = iflavor + 1
        1654             :       end if
        1655             :     end do
        1656             :     ! fill flavors
        1657        9216 :     allocate(flavor(2,iflavor))
        1658        3072 :     iflavor = 0
        1659       95232 :     do i=1,size(key_species_list,2)
        1660       95232 :       if (.not.key_species_pair_exists(key_species_list(:,1:i-1),key_species_list(:,i))) then
        1661       29184 :         iflavor = iflavor + 1
        1662       87552 :         flavor(:,iflavor) = key_species_list(:,i)
        1663             :       end if
        1664             :     end do
        1665        3072 :   end subroutine create_flavor
        1666             :   ! ---------------------------------------------------------------------------------------
        1667             :   !
        1668             :   ! create index list for extracting col_gas needed for minor gas optical depth calculations
        1669             :   !
        1670       18432 :   subroutine create_idx_minor(gas_names, &
        1671        6144 :     gas_minor, identifier_minor, minor_gases_atm, idx_minor_atm)
        1672             :     character(len=*), dimension(:), intent(in) :: gas_names
        1673             :     character(len=*), dimension(:), intent(in) :: &
        1674             :                                                   gas_minor, &
        1675             :                                                   identifier_minor
        1676             :     character(len=*), dimension(:), intent(in) :: minor_gases_atm
        1677             :     integer, dimension(:), allocatable, &
        1678             :                                    intent(out) :: idx_minor_atm
        1679             :
        1680             :     ! local
        1681             :     integer :: imnr
        1682             :     integer :: idx_mnr
        1683       18432 :     allocate(idx_minor_atm(size(minor_gases_atm,dim=1)))
        1684      185856 :     do imnr = 1, size(minor_gases_atm,dim=1) ! loop over minor absorbers in each band
        1685             :       ! Find identifying string for minor species in list of possible identifiers (e.g. h2o_slf)
        1686      179712 :       idx_mnr     = string_loc_in_array(minor_gases_atm(imnr), identifier_minor)
        1687             :       ! Find name of gas associated with minor species identifier (e.g. h2o)
        1688      185856 :       idx_minor_atm(imnr) = string_loc_in_array(gas_minor(idx_mnr),    gas_names)
        1689             :     enddo
        1690        6144 :   end subroutine create_idx_minor
        1691             :
        1692             :   ! ---------------------------------------------------------------------------------------
        1693             :   !
        1694             :   ! create index for special treatment in density scaling of minor gases
        1695             :   !
        1696       18432 :   subroutine create_idx_minor_scaling(gas_names, &
        1697        6144 :     scaling_gas_atm, idx_minor_scaling_atm)
        1698             :     character(len=*), dimension(:), intent(in) :: gas_names
        1699             :     character(len=*), dimension(:), intent(in) :: scaling_gas_atm
        1700             :     integer, dimension(:), allocatable, &
        1701             :                                    intent(out) :: idx_minor_scaling_atm
        1702             :
        1703             :     ! local
        1704             :     integer :: imnr
        1705       18432 :     allocate(idx_minor_scaling_atm(size(scaling_gas_atm,dim=1)))
        1706      185856 :     do imnr = 1, size(scaling_gas_atm,dim=1) ! loop over minor absorbers in each band
        1707             :       ! This will be -1 if there's no interacting gas
        1708      185856 :       idx_minor_scaling_atm(imnr) = string_loc_in_array(scaling_gas_atm(imnr), gas_names)
        1709             :     enddo
        1710        6144 :   end subroutine create_idx_minor_scaling
        1711             :   !--------------------------------------------------------------------------------------------------------------------
        1712             :   ! Is the object ready to use?
        1713             :   !
        1714     1138471 :   pure function is_loaded(this)
        1715             :     class(ty_gas_optics_rrtmgp), intent(in) :: this
        1716             :     logical(wl)                             :: is_loaded
        1717             :
        1718     1138471 :     is_loaded = allocated(this%kmajor)
        1719     1138471 :   end function is_loaded
        1720             :   !--------------------------------------------------------------------------------------------------------------------
        1721             :   !
        1722             :   ! Reset the object to un-initialized state
        1723             :   !
        1724        3072 :   subroutine finalize(this)
        1725             :     class(ty_gas_optics_rrtmgp), intent(inout) :: this
        1726             :     real(wp),      dimension(:),     allocatable :: press_ref,  press_ref_log, temp_ref
        1727             :
        1728        3072 :     if(this%is_loaded()) then
        1729             :       !$acc exit data delete(this%gas_names, this%vmr_ref, this%flavor) &
        1730             :       !$acc           delete(this%gpoint_flavor, this%kmajor)  &
        1731             :       !$acc           delete(this%minor_limits_gpt_lower) &
        1732             :       !$acc           delete(this%minor_scales_with_density_lower, this%scale_by_complement_lower)  &
        1733             :       !$acc           delete(this%idx_minor_lower, this%idx_minor_scaling_lower)  &
        1734             :       !$acc           delete(this%kminor_start_lower, this%kminor_lower) &
        1735             :       !$acc           delete(this%minor_limits_gpt_upper) &
        1736             :       !$acc           delete(this%minor_scales_with_density_upper, this%scale_by_complement_upper)  &
        1737             :       !$acc           delete(this%idx_minor_upper, this%idx_minor_scaling_upper)  &
        1738             :       !$acc           delete(this%kminor_start_upper, this%kminor_upper)
        1739             :       !$omp target exit data map(release:this%gas_names, this%vmr_ref, this%flavor) &
        1740             :       !$omp map(release:this%gpoint_flavor, this%kmajor)  &
        1741             :       !$omp map(release:this%minor_limits_gpt_lower) &
        1742             :       !$omp map(release:this%minor_scales_with_density_lower, this%scale_by_complement_lower)  &
        1743             :       !$omp map(release:this%idx_minor_lower, this%idx_minor_scaling_lower)  &
        1744             :       !$omp map(release:this%kminor_start_lower, this%kminor_lower) &
        1745             :       !$omp map(release:this%minor_limits_gpt_upper) &
        1746             :       !$omp map(release:this%minor_scales_with_density_upper, this%scale_by_complement_upper)  &
        1747             :       !$omp map(release:this%idx_minor_upper, this%idx_minor_scaling_upper)  &
        1748             :       !$omp map(release:this%kminor_start_upper, this%kminor_upper)
        1749           0 :       deallocate(this%gas_names, this%vmr_ref, this%flavor, this%gpoint_flavor, this%kmajor)
        1750           0 :       deallocate(this%minor_limits_gpt_lower, &
        1751           0 :                  this%minor_scales_with_density_lower, this%scale_by_complement_lower, &
        1752           0 :                  this%idx_minor_lower, this%idx_minor_scaling_lower, this%kminor_start_lower, this%kminor_lower)
        1753           0 :       deallocate(this%minor_limits_gpt_upper, &
        1754           0 :                  this%minor_scales_with_density_upper, this%scale_by_complement_upper, &
        1755           0 :                  this%idx_minor_upper, this%idx_minor_scaling_upper, this%kminor_start_upper, this%kminor_upper)
        1756             :
        1757           0 :       if(allocated(this%krayl)) then
        1758             :         !$acc exit data delete(this%krayl)
        1759             :         !$omp target exit data map(release:this%krayl)
        1760           0 :         deallocate(this%krayl)
        1761             :       end if
        1762             :
        1763           0 :       if(allocated(this%planck_frac)) then
        1764             :         !$acc exit data delete(this%planck_frac, this%totplnk, this%optimal_angle_fit)
        1765             :         !$omp target exit data map(release:this%planck_frac, this%totplnk, this%optimal_angle_fit)
        1766           0 :         deallocate(this%planck_frac, this%totplnk, this%optimal_angle_fit)
        1767             :       end if
        1768             :
        1769           0 :       if(allocated(this%solar_source)) then
        1770             :         !$acc exit data delete(this%solar_source, this%solar_source_quiet) &
        1771             :         !$acc           delete(this%solar_source_facular,this%solar_source_sunspot)
        1772             :         !$omp target exit data map(release:this%solar_source, this%solar_source_quiet)
        1773             :         !$omp map(release:this%solar_source_facular,this%solar_source_sunspot)
        1774             :         deallocate(this%solar_source, &
        1775           0 :                    this%solar_source_quiet, this%solar_source_facular, this%solar_source_sunspot)
        1776             :       end if
        1777             :       !$acc exit data delete(this)
        1778             :       !$omp target exit data map(release:this)
        1779             :     end if
        1780             :
        1781        3072 :   end subroutine finalize
        1782             :   ! ---------------------------------------------------------------------------------------
        1783        3072 :   subroutine create_key_species_reduce(gas_names,gas_names_red, &
        1784        3072 :     key_species,key_species_red,key_species_present_init)
        1785             :     character(len=*), &
        1786             :               dimension(:),       intent(in) :: gas_names
        1787             :     character(len=*), &
        1788             :               dimension(:),       intent(in) :: gas_names_red
        1789             :     integer,  dimension(:,:,:),   intent(in) :: key_species
        1790             :     integer,  dimension(:,:,:), allocatable, intent(out) :: key_species_red
        1791             :
        1792             :     logical, dimension(:), allocatable, intent(out) :: key_species_present_init
        1793             :     integer :: ip, ia, it, np, na, nt
        1794             :
        1795        3072 :     np = size(key_species,dim=1)
        1796        3072 :     na = size(key_species,dim=2)
        1797        3072 :     nt = size(key_species,dim=3)
        1798           0 :     allocate(key_species_red(size(key_species,dim=1), &
        1799             :                              size(key_species,dim=2), &
        1800       15360 :                              size(key_species,dim=3)))
        1801        9216 :     allocate(key_species_present_init(size(gas_names)))
        1802       61440 :     key_species_present_init = .true.
        1803             :
        1804        9216 :     do ip = 1, np
        1805       21504 :       do ia = 1, na
        1806      202752 :         do it = 1, nt
        1807      196608 :           if (key_species(ip,ia,it) .ne. 0) then
        1808      122880 :             key_species_red(ip,ia,it) = string_loc_in_array(gas_names(key_species(ip,ia,it)),gas_names_red)
        1809      122880 :             if (key_species_red(ip,ia,it) .eq. -1) key_species_present_init(key_species(ip,ia,it)) = .false.
        1810             :           else
        1811       61440 :             key_species_red(ip,ia,it) = key_species(ip,ia,it)
        1812             :           endif
        1813             :         enddo
        1814             :       end do
        1815             :     enddo
        1816             :
        1817        3072 :   end subroutine create_key_species_reduce
        1818             :
        1819             : ! ---------------------------------------------------------------------------------------
        1820             :
        1821        6144 :   subroutine reduce_minor_arrays(available_gases, &
        1822        6144 :                            gas_minor,identifier_minor,&
        1823       12288 :                            kminor_atm, &
        1824        6144 :                            minor_gases_atm, &
        1825        6144 :                            minor_limits_gpt_atm, &
        1826       12288 :                            minor_scales_with_density_atm, &
        1827        6144 :                            scaling_gas_atm, &
        1828        6144 :                            scale_by_complement_atm, &
        1829        6144 :                            kminor_start_atm, &
        1830             :                            kminor_atm_red, &
        1831             :                            minor_gases_atm_red, &
        1832             :                            minor_limits_gpt_atm_red, &
        1833             :                            minor_scales_with_density_atm_red, &
        1834             :                            scaling_gas_atm_red, &
        1835             :                            scale_by_complement_atm_red, &
        1836             :                            kminor_start_atm_red)
        1837             :
        1838             :     class(ty_gas_concs),                intent(in) :: available_gases
        1839             :     real(wp),         dimension(:,:,:), intent(in) :: kminor_atm
        1840             :     character(len=*), dimension(:),     intent(in) :: gas_minor, &
        1841             :                                                       identifier_minor
        1842             :     character(len=*), dimension(:),     intent(in) :: minor_gases_atm
        1843             :     integer,          dimension(:,:),   intent(in) :: minor_limits_gpt_atm
        1844             :     logical(wl),      dimension(:),     intent(in) :: minor_scales_with_density_atm
        1845             :     character(len=*), dimension(:),     intent(in) :: scaling_gas_atm
        1846             :     logical(wl),      dimension(:),     intent(in) :: scale_by_complement_atm
        1847             :     integer,          dimension(:),     intent(in) :: kminor_start_atm
        1848             :     real(wp),         dimension(:,:,:), allocatable, &
        1849             :                                         intent(out) :: kminor_atm_red
        1850             :     character(len=*), dimension(:), allocatable, &
        1851             :                                         intent(out) :: minor_gases_atm_red
        1852             :     integer,          dimension(:,:), allocatable, &
        1853             :                                         intent(out) :: minor_limits_gpt_atm_red
        1854             :     logical(wl),      dimension(:),    allocatable, &
        1855             :                                         intent(out) ::minor_scales_with_density_atm_red
        1856             :     character(len=*), dimension(:), allocatable, &
        1857             :                                         intent(out) ::scaling_gas_atm_red
        1858             :     logical(wl),      dimension(:), allocatable, intent(out) :: &
        1859             :                                                 scale_by_complement_atm_red
        1860             :     integer,          dimension(:), allocatable, intent(out) :: &
        1861             :                                                 kminor_start_atm_red
        1862             :
        1863             :     ! Local variables
        1864             :     integer :: i, j, ks
        1865             :     integer :: idx_mnr, nm, tot_g, red_nm
        1866             :     integer :: icnt, n_elim, ng
        1867        6144 :     logical, dimension(:), allocatable :: gas_is_present
        1868        6144 :     integer, dimension(:), allocatable :: indexes
        1869        6144 :     real(wp),         dimension(:,:,:), allocatable :: kminor_atm_red_t
        1870             :
        1871        6144 :     nm = size(minor_gases_atm)
        1872        6144 :     tot_g=0
        1873       18432 :     allocate(gas_is_present(nm))
        1874      239616 :     do i = 1, size(minor_gases_atm)
        1875      233472 :       idx_mnr = string_loc_in_array(minor_gases_atm(i), identifier_minor)
        1876             :       ! Next line causes a compiler bug in gfortran 11.0.1 on Mac ARM
        1877             :       ! Should replace gas_names with get_gas_names() and make gas_names private in ty_gas_concs
        1878      233472 :       gas_is_present(i) = string_in_array(gas_minor(idx_mnr),available_gases%gas_names)
        1879      239616 :       if(gas_is_present(i)) then
        1880      179712 :         tot_g = tot_g + (minor_limits_gpt_atm(2,i)-minor_limits_gpt_atm(1,i)+1)
        1881             :       endif
        1882             :     enddo
        1883      239616 :     red_nm = count(gas_is_present)
        1884             :
        1885           0 :     allocate(minor_gases_atm_red              (red_nm),&
        1886           0 :              minor_scales_with_density_atm_red(red_nm), &
        1887           0 :              scaling_gas_atm_red              (red_nm), &
        1888           0 :              scale_by_complement_atm_red      (red_nm), &
        1889       55296 :              kminor_start_atm_red             (red_nm))
        1890       18432 :     allocate(minor_limits_gpt_atm_red(2, red_nm))
        1891       30720 :     allocate(kminor_atm_red_t(tot_g, size(kminor_atm,2), size(kminor_atm,3)))
        1892       30720 :     allocate(kminor_atm_red(size(kminor_atm,3),size(kminor_atm,2),tot_g))
        1893             :
        1894        6144 :     if ((red_nm .eq. nm)) then
        1895             :       ! Character data not allowed in OpenACC regions?
        1896           0 :       minor_gases_atm_red         = minor_gases_atm
        1897           0 :       scaling_gas_atm_red         = scaling_gas_atm
        1898           0 :       kminor_atm_red_t            = kminor_atm
        1899           0 :       minor_limits_gpt_atm_red    = minor_limits_gpt_atm
        1900           0 :       minor_scales_with_density_atm_red = minor_scales_with_density_atm
        1901           0 :       scale_by_complement_atm_red = scale_by_complement_atm
        1902           0 :       kminor_start_atm_red        = kminor_start_atm
        1903             :     else
        1904       12288 :       allocate(indexes(red_nm))
        1905             :       ! Find the integer indexes for the gases that are present
        1906      473088 :       indexes = pack([(i, i = 1, size(minor_gases_atm))], mask=gas_is_present)
        1907             :
        1908      192000 :       minor_gases_atm_red  = minor_gases_atm        (indexes)
        1909      192000 :       scaling_gas_atm_red  = scaling_gas_atm        (indexes)
        1910             :       minor_scales_with_density_atm_red = &
        1911      192000 :                              minor_scales_with_density_atm(indexes)
        1912             :       scale_by_complement_atm_red = &
        1913      192000 :                              scale_by_complement_atm(indexes)
        1914      192000 :       kminor_start_atm_red = kminor_start_atm       (indexes)
        1915             :
        1916             :       icnt = 0
        1917             :       n_elim = 0
        1918      239616 :       do i = 1, nm
        1919      233472 :         ng = minor_limits_gpt_atm(2,i)-minor_limits_gpt_atm(1,i)+1
        1920      239616 :         if(gas_is_present(i)) then
        1921      179712 :           icnt = icnt + 1
        1922      539136 :           minor_limits_gpt_atm_red(1:2,icnt) = minor_limits_gpt_atm(1:2,i)
        1923      179712 :           kminor_start_atm_red(icnt) = kminor_start_atm(i)-n_elim
        1924      179712 :           ks = kminor_start_atm_red(icnt)
        1925     1715712 :           do j = 1, ng
        1926           0 :             kminor_atm_red_t(kminor_start_atm_red(icnt)+j-1,:,:) = &
        1927   216755712 :               kminor_atm(kminor_start_atm(i)+j-1,:,:)
        1928             :           enddo
        1929             :         else
        1930       53760 :           n_elim = n_elim + ng
        1931             :         endif
        1932             :       enddo
        1933             :     endif
        1934             :
        1935             :     kminor_atm_red = RESHAPE(kminor_atm_red_t,(/size(kminor_atm_red_t,dim=3), &
        1936       24576 :                                                 size(kminor_atm_red_t,dim=2),size(kminor_atm_red_t,dim=1)/), ORDER=(/3,2,1/))
        1937        6144 :     deallocate(kminor_atm_red_t)
        1938       12288 :   end subroutine reduce_minor_arrays
        1939             :
        1940             : ! ---------------------------------------------------------------------------------------
        1941             :   ! returns flavor index; -1 if not found
        1942      737280 :   pure function key_species_pair2flavor(flavor, key_species_pair)
        1943             :     integer :: key_species_pair2flavor
        1944             :     integer, dimension(:,:), intent(in) :: flavor
        1945             :     integer, dimension(2), intent(in) :: key_species_pair
        1946             :     integer :: iflav
        1947     2632704 :     do iflav=1,size(flavor,2)
        1948     4690944 :       if (all(key_species_pair(:).eq.flavor(:,iflav))) then
        1949      737280 :         key_species_pair2flavor = iflav
        1950      737280 :         return
        1951             :       end if
        1952             :     end do
        1953           0 :     key_species_pair2flavor = -1
        1954           0 :   end function key_species_pair2flavor
        1955             :
        1956             :   ! ---------------------------------------------------------------------------------------
        1957             :   !
        1958             :   ! create gpoint_flavor list
        1959             :   !   a map pointing from each g-point to the corresponding entry in the "flavor list"
        1960             :   !
        1961        3072 :   subroutine create_gpoint_flavor(key_species, gpt2band, flavor, gpoint_flavor)
        1962             :     integer, dimension(:,:,:), intent(in) :: key_species
        1963             :     integer, dimension(:), intent(in) :: gpt2band
        1964             :     integer, dimension(:,:), intent(in) :: flavor
        1965             :     integer, dimension(:,:), intent(out), allocatable :: gpoint_flavor
        1966             :     integer :: ngpt, igpt, iatm
        1967        3072 :     ngpt = size(gpt2band)
        1968        9216 :     allocate(gpoint_flavor(2,ngpt))
        1969      371712 :     do igpt=1,ngpt
        1970     1108992 :       do iatm=1,2
        1971           0 :         gpoint_flavor(iatm,igpt) = key_species_pair2flavor( &
        1972             :           flavor, &
        1973      737280 :           rewrite_key_species_pair(key_species(:,iatm,gpt2band(igpt))) &
        1974     1843200 :         )
        1975             :       end do
        1976             :     end do
        1977        3072 :   end subroutine create_gpoint_flavor
        1978             :
        1979             :   !--------------------------------------------------------------------------------------------------------------------
        1980             :   !
        1981             :   ! Utility function to combine optical depths from gas absorption and Rayleigh scattering
        1982             :   !   It may be more efficient to combine scattering and absorption optical depths in place
        1983             :   !   rather than storing and processing two large arrays
        1984             :   !
        1985      389263 :   subroutine combine_abs_and_rayleigh(tau, tau_rayleigh, optical_props)
        1986             :     real(wp), dimension(:,:,:),   intent(in   ) :: tau
        1987             :     real(wp), dimension(:,:,:),   intent(in   ) :: tau_rayleigh
        1988             :     class(ty_optical_props_arry), intent(inout) :: optical_props
        1989             :
        1990             :     integer :: icol, ilay, igpt, ncol, nlay, ngpt, nmom
        1991             :     real(wp) :: t
        1992             :
        1993      389263 :     ncol = size(tau, 1)
        1994      389263 :     nlay = size(tau, 2)
        1995      389263 :     ngpt = size(tau, 3)
        1996             :     select type(optical_props)
        1997             :     type is (ty_optical_props_1scl)
        1998             :       !
        1999             :       ! Extinction optical depth
        2000             :       !
        2001             :       !$acc parallel loop gang vector collapse(3) default(present)
        2002             :       !$omp target teams distribute parallel do simd collapse(3)
        2003           0 :       do igpt = 1, ngpt
        2004           0 :         do ilay = 1, nlay
        2005           0 :           do icol = 1, ncol
        2006           0 :             optical_props%tau(icol,ilay,igpt) = tau(icol,ilay,igpt) + &
        2007           0 :                                        tau_rayleigh(icol,ilay,igpt)
        2008             :           end do
        2009             :         end do
        2010             :       end do
        2011             :     !
        2012             :     ! asymmetry factor or phase function moments
        2013             :     !
        2014             :     type is (ty_optical_props_2str)
        2015             :       !
        2016             :       ! Extinction optical depth and single scattering albedo
        2017             :       !
        2018             :       !$acc parallel loop gang vector collapse(3) default(present)
        2019             :       !$omp target teams distribute parallel do simd collapse(3)
        2020    43986719 :       do igpt = 1, ngpt
        2021  4142147583 :         do ilay = 1, nlay
        2022 65796884720 :           do icol = 1, ncol
        2023 61655126400 :             t = tau(icol,ilay,igpt) + tau_rayleigh(icol,ilay,igpt)
        2024 61655126400 :             if(t > 2._wp * tiny(t)) then
        2025 61655126400 :                optical_props%ssa(icol,ilay,igpt) = tau_rayleigh(icol,ilay,igpt) / t
        2026             :              else
        2027           0 :                optical_props%ssa(icol,ilay,igpt) = 0._wp
        2028             :              end if
        2029 65753287264 :              optical_props%tau(icol,ilay,igpt) = t
        2030             :            end do
        2031             :         end do
        2032             :       end do
        2033      778526 :       call zero_array(ncol, nlay, ngpt, optical_props%g)
        2034             :     type is (ty_optical_props_nstr)
        2035             :       !
        2036             :       ! Extinction optical depth and single scattering albedo
        2037             :       !
        2038             :       !$acc parallel loop gang vector collapse(3) default(present)
        2039             :       !$omp target teams distribute parallel do simd collapse(3)
        2040           0 :       do igpt = 1, ngpt
        2041           0 :         do ilay = 1, nlay
        2042           0 :           do icol = 1, ncol
        2043           0 :             t = tau(icol,ilay,igpt) + tau_rayleigh(icol,ilay,igpt)
        2044           0 :             if(t > 2._wp * tiny(t)) then
        2045           0 :                optical_props%ssa(icol,ilay,igpt) = tau_rayleigh(icol,ilay,igpt) / t
        2046             :              else
        2047           0 :                optical_props%ssa(icol,ilay,igpt) = 0._wp
        2048             :              end if
        2049           0 :              optical_props%tau(icol,ilay,igpt) = t
        2050             :            end do
        2051             :         end do
        2052             :       end do
        2053           0 :       nmom = size(optical_props%p, 1)
        2054           0 :       call zero_array(nmom, ncol, nlay, ngpt, optical_props%p)
        2055           0 :       if(nmom >= 2) then
        2056             :         !$acc parallel loop gang vector collapse(3) default(present)
        2057             :         !$omp target teams distribute parallel do simd collapse(3)
        2058           0 :         do igpt = 1, ngpt
        2059           0 :           do ilay = 1, nlay
        2060           0 :             do icol = 1, ncol
        2061           0 :               optical_props%p(2,icol,ilay,igpt) = 0.1_wp
        2062             :             end do
        2063             :           end do
        2064             :         end do
        2065             :       end if
        2066             :     end select
        2067      389263 :   end subroutine combine_abs_and_rayleigh
        2068             :   !--------------------------------------------------------------------------------------------------------------------
        2069             :   ! Sizes of tables: pressure, temperate, eta (mixing fraction)
        2070             :   !   Equivalent routines for the number of gases and flavors (get_ngas(), get_nflav()) are defined above because they're
        2071             :   !   used in function defintions
        2072             :   ! Table kmajor has dimensions (ngpt, neta, npres, ntemp)
        2073             :   !--------------------------------------------------------------------------------------------------------------------
        2074             :   !
        2075             :   ! return extent of eta dimension
        2076             :   !
        2077     1881535 :   pure function get_neta(this)
        2078             :     class(ty_gas_optics_rrtmgp), intent(in) :: this
        2079             :     integer                          :: get_neta
        2080             :
        2081     1881535 :     get_neta = size(this%kmajor,dim=2)
        2082     1881535 :   end function
        2083             :   ! --------------------------------------------------------------------------------------
        2084             :   !
        2085             :   ! return the number of pressures in reference profile
        2086             :   !   absorption coefficient table is one bigger since a pressure is repeated in upper/lower atmos
        2087             :   !
        2088     1881535 :   pure function get_npres(this)
        2089             :     class(ty_gas_optics_rrtmgp), intent(in) :: this
        2090             :     integer                          :: get_npres
        2091             :
        2092     1881535 :     get_npres = size(this%kmajor,dim=3)-1
        2093     1881535 :   end function get_npres
        2094             :   ! --------------------------------------------------------------------------------------
        2095             :   !
        2096             :   ! return the number of temperatures
        2097             :   !
        2098     1881535 :   pure function get_ntemp(this)
        2099             :     class(ty_gas_optics_rrtmgp), intent(in) :: this
        2100             :     integer                          :: get_ntemp
        2101             :
        2102     1881535 :     get_ntemp = size(this%kmajor,dim=1)
        2103     1881535 :   end function get_ntemp
        2104             :   ! --------------------------------------------------------------------------------------
        2105             :   !
        2106             :   ! return the number of temperatures for Planck function
        2107             :   !
        2108      746136 :   pure function get_nPlanckTemp(this)
        2109             :     class(ty_gas_optics_rrtmgp), intent(in) :: this
        2110             :     integer                          :: get_nPlanckTemp
        2111             :
        2112      746136 :     get_nPlanckTemp = size(this%totplnk,dim=1) ! dimensions are Planck-temperature, band
        2113      746136 :   end function get_nPlanckTemp
        2114     2666205 : end module mo_gas_optics_rrtmgp

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