LCOV - code coverage report
Current view: | top level - chemistry/utils - solar_parms_data.F90 (source / functions) |  |  | Hit | Total | Coverage
Test: | coverage.info |  | Lines: | 12 | 43 | 27.9 %
Date: | 2024-12-17 22:39:59 |  | Functions: | 2 | 2 | 100.0 %

              Line data    Source code
           1             : !-------------------------------------------------------------------------------
           2             : ! solar variability parameters -- space weather indices
           3             : !-------------------------------------------------------------------------------
           4             : module solar_parms_data
           5             :
           6             :   use shr_kind_mod,     only : r8 => shr_kind_r8, shr_kind_cl
           7             :   use input_data_utils, only : time_coordinate
           8             :   use infnan,           only : nan, assignment(=)
           9             :
          10             :   implicit none
          11             :
          12             :   private
          13             :   save
          14             :
          15             :  ! public interface
          16             :
          17             :   public :: solar_parms_init
          18             :   public :: solar_parms_advance
          19             :
          20             :   logical, public :: solar_parms_on = .false.
          21             :
          22             :  ! time-interpolated quantities
          23             :
          24             :   real(r8), public, protected :: solar_parms_f107
          25             :   real(r8), public, protected :: solar_parms_f107a
          26             :   real(r8), public, protected :: solar_parms_f107p ! previous day
          27             :   real(r8), public, protected :: solar_parms_kp
          28             :   real(r8), public, protected :: solar_parms_ap
          29             :
          30             :  ! private data
          31             :
          32             :   real(r8), allocatable :: f107_in(:)
          33             :   real(r8), allocatable :: f107a_in(:)
          34             :   real(r8), allocatable :: kp_in(:)
          35             :   real(r8), allocatable :: ap_in(:)
          36             :
          37             :   type(time_coordinate) :: time_coord_curr ! for current model time interpolation
          38             :   type(time_coordinate) :: time_coord_prev ! for previous day time interpolation
          39             :
          40             : contains
          41             :
          42        1536 :   subroutine solar_parms_init(filepath, fixed, fixed_ymd, fixed_tod)
          43             :     !---------------------------------------------------------------
          44             :     !   ... initialize solar parmaters
          45             :     !---------------------------------------------------------------
          46             :
          47             :     use ioFileMod
          48             :     use error_messages, only: alloc_err
          49             :     use cam_pio_utils,  only: cam_pio_openfile
          50             :     use pio,            only: file_desc_t, var_desc_t, pio_get_var, &
          51             :                               pio_inq_varid, pio_closefile, pio_nowrite
          52             :
          53             :     !---------------------------------------------------------------
          54             :     ! arguments
          55             :     !---------------------------------------------------------------
          56             :     character(len=*), intent(in) :: filepath
          57             :     logical, intent(in) :: fixed
          58             :     integer, intent(in) :: fixed_ymd
          59             :     integer, intent(in) :: fixed_tod
          60             :
          61             :     !---------------------------------------------------------------
          62             :     !   ... local variables
          63             :     !---------------------------------------------------------------
          64             :     type(file_desc_t)  :: ncid
          65             :     type(var_desc_t)  :: varid
          66             :     integer  :: astat
          67             :     character(len=shr_kind_cl) :: locfn
          68             :     integer :: ierr
          69             :
          70        1536 :     solar_parms_f107  = nan
          71        1536 :     solar_parms_f107a = nan
          72        1536 :     solar_parms_f107p = nan
          73        1536 :     solar_parms_kp    = nan
          74        1536 :     solar_parms_ap    = nan
          75             :
          76        1536 :     solar_parms_on = (filepath.ne.'NONE')
          77             :
          78        1536 :     if (.not.solar_parms_on) return
          79             :
          80             :     !-----------------------------------------------------------------------
          81             :     !   ... readin the solar parms dataset
          82             :     !-----------------------------------------------------------------------
          83             :
          84           0 :     call getfil(filepath,  locfn, 0)
          85           0 :     call cam_pio_openfile ( ncid, locfn, PIO_NOWRITE)
          86             :
          87             :     call time_coord_prev%initialize( filepath, fixed=fixed, fixed_ymd=fixed_ymd, fixed_tod=fixed_tod, &
          88           0 :                                      force_time_interp=.true., try_dates=.true., delta_days=-1._r8 )
          89             :
          90             :     call time_coord_curr%initialize( filepath, fixed=fixed, fixed_ymd=fixed_ymd, fixed_tod=fixed_tod, &
          91           0 :                                      force_time_interp=.true., try_dates=.true. )
          92             :
          93             :     !---------------------------------------------------------------
          94             :     !   ... allocate and read solar parms
          95             :     !---------------------------------------------------------------
          96             :     allocate( f107_in(time_coord_curr%ntimes), f107a_in(time_coord_curr%ntimes), &
          97           0 :               kp_in(time_coord_curr%ntimes), ap_in(time_coord_curr%ntimes), stat=astat )
          98           0 :     if( astat /= 0 ) then
          99           0 :        call alloc_err( astat, 'solar_parms_init', 'f107_in ... ap_in ', time_coord_curr%ntimes )
         100             :     end if
         101           0 :     ierr = pio_inq_varid( ncid, 'f107', varid )
         102           0 :     ierr = pio_get_var( ncid, varid, f107_in )
         103           0 :     ierr = pio_inq_varid( ncid, 'f107a', varid )
         104           0 :     ierr = pio_get_var( ncid, varid, f107a_in )
         105           0 :     ierr = pio_inq_varid( ncid, 'kp', varid )
         106           0 :     ierr = pio_get_var( ncid, varid, kp_in )
         107           0 :     ierr = pio_inq_varid( ncid, 'ap', varid )
         108           0 :     ierr = pio_get_var( ncid, varid, ap_in )
         109             :
         110           0 :     call pio_closefile( ncid )
         111             :
         112        3072 : end subroutine solar_parms_init
         113             :
         114      370944 : subroutine solar_parms_advance
         115             :   !---------------------------------------------------------------
         116             :   ! time interpolate space wx indices
         117             :   !---------------------------------------------------------------
         118             :
         119             :   integer  :: ndx1, ndx2
         120             :   real(r8) :: wgt1, wgt2
         121             :
         122      370944 :   if (solar_parms_on) then
         123           0 :      call time_coord_curr%advance()
         124           0 :      ndx1=time_coord_curr%indxs(1)
         125           0 :      ndx2=time_coord_curr%indxs(2)
         126           0 :      wgt1=time_coord_curr%wghts(1)
         127           0 :      wgt2=time_coord_curr%wghts(2)
         128           0 :      solar_parms_f107  = wgt1*f107_in(ndx1) + wgt2*f107_in(ndx2)
         129           0 :      solar_parms_f107a = wgt1*f107a_in(ndx1) + wgt2*f107a_in(ndx2)
         130           0 :      solar_parms_kp    = wgt1*kp_in(ndx1) + wgt2*kp_in(ndx2)
         131           0 :      solar_parms_ap    = wgt1*ap_in(ndx1) + wgt2*ap_in(ndx2)
         132             :
         133           0 :      call time_coord_prev%advance()
         134           0 :      ndx1=time_coord_prev%indxs(1)
         135           0 :      ndx2=time_coord_prev%indxs(2)
         136           0 :      wgt1=time_coord_prev%wghts(1)
         137           0 :      wgt2=time_coord_prev%wghts(2)
         138           0 :      solar_parms_f107p = wgt1*f107_in(ndx1) + wgt2*f107_in(ndx2)
         139             :   endif
         140             :
         141        1536 : end subroutine solar_parms_advance
         142             :
         143             : end module solar_parms_data

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