Line data Source code
1 : ! path: $Source: /storm/rc1/cvsroot/rc/rrtmg_lw/src/rrtmg_lw_taumol.f90,v $
2 : ! author: $Author: mike $
3 : ! revision: $Revision: 1.7 $
4 : ! created: $Date: 2009/10/20 15:08:37 $
5 : !
6 : module rrtmg_lw_taumol
7 :
8 : ! --------------------------------------------------------------------------
9 : ! | |
10 : ! | Copyright 2002-2009, Atmospheric & Environmental Research, Inc. (AER). |
11 : ! | This software may be used, copied, or redistributed as long as it is |
12 : ! | not sold and this copyright notice is reproduced on each copy made. |
13 : ! | This model is provided as is without any express or implied warranties. |
14 : ! | (http://www.rtweb.aer.com/) |
15 : ! | |
16 : ! --------------------------------------------------------------------------
17 :
18 : ! ------- Modules -------
19 :
20 : use shr_kind_mod, only: r8 => shr_kind_r8
21 :
22 : use parrrtm, only: nbndlw, maxxsec, ngptlw
23 : use rrlw_con, only: oneminus
24 : use rrlw_wvn, only: nspa, nspb
25 :
26 : implicit none
27 :
28 : contains
29 :
30 : !----------------------------------------------------------------------------
31 486000 : subroutine taumol(nlayers, pavel, wx, coldry, &
32 486000 : laytrop, jp, jt, jt1, planklay, planklev, plankbnd, &
33 486000 : colh2o, colco2, colo3, coln2o, colco, colch4, colo2, &
34 486000 : colbrd, fac00, fac01, fac10, fac11, &
35 486000 : rat_h2oco2, rat_h2oco2_1, rat_h2oo3, rat_h2oo3_1, &
36 486000 : rat_h2on2o, rat_h2on2o_1, rat_h2och4, rat_h2och4_1, &
37 486000 : rat_n2oco2, rat_n2oco2_1, rat_o3co2, rat_o3co2_1, &
38 486000 : selffac, selffrac, indself, forfac, forfrac, indfor, &
39 486000 : minorfrac, scaleminor, scaleminorn2, indminor, &
40 486000 : fracs, taug)
41 : !----------------------------------------------------------------------------
42 :
43 : ! *******************************************************************************
44 : ! * *
45 : ! * Optical depths developed for the *
46 : ! * *
47 : ! * RAPID RADIATIVE TRANSFER MODEL (RRTM) *
48 : ! * *
49 : ! * *
50 : ! * ATMOSPHERIC AND ENVIRONMENTAL RESEARCH, INC. *
51 : ! * 131 HARTWELL AVENUE *
52 : ! * LEXINGTON, MA 02421 *
53 : ! * *
54 : ! * *
55 : ! * ELI J. MLAWER *
56 : ! * JENNIFER DELAMERE *
57 : ! * STEVEN J. TAUBMAN *
58 : ! * SHEPARD A. CLOUGH *
59 : ! * *
60 : ! * *
61 : ! * *
62 : ! * *
63 : ! * email: mlawer@aer.com *
64 : ! * email: jdelamer@aer.com *
65 : ! * *
66 : ! * The authors wish to acknowledge the contributions of the *
67 : ! * following people: Karen Cady-Pereira, Patrick D. Brown, *
68 : ! * Michael J. Iacono, Ronald E. Farren, Luke Chen, Robert Bergstrom. *
69 : ! * *
70 : ! *******************************************************************************
71 : ! * *
72 : ! * Revision for g-point reduction: Michael J. Iacono, AER, Inc. *
73 : ! * *
74 : ! *******************************************************************************
75 : ! * TAUMOL *
76 : ! * *
77 : ! * This file contains the subroutines TAUGBn (where n goes from *
78 : ! * 1 to 16). TAUGBn calculates the optical depths and Planck fractions *
79 : ! * per g-value and layer for band n. *
80 : ! * *
81 : ! * Output: optical depths (unitless) *
82 : ! * fractions needed to compute Planck functions at every layer *
83 : ! * and g-value *
84 : ! * *
85 : ! * COMMON /TAUGCOM/ TAUG(MXLAY,MG) *
86 : ! * COMMON /PLANKG/ FRACS(MXLAY,MG) *
87 : ! * *
88 : ! * Input *
89 : ! * *
90 : ! * COMMON /FEATURES/ NG(NBANDS),NSPA(NBANDS),NSPB(NBANDS) *
91 : ! * COMMON /PRECISE/ ONEMINUS *
92 : ! * COMMON /PROFILE/ NLAYERS,PAVEL(MXLAY),TAVEL(MXLAY), *
93 : ! * & PZ(0:MXLAY),TZ(0:MXLAY) *
94 : ! * COMMON /PROFDATA/ LAYTROP, *
95 : ! * & COLH2O(MXLAY),COLCO2(MXLAY),COLO3(MXLAY), *
96 : ! * & COLN2O(MXLAY),COLCO(MXLAY),COLCH4(MXLAY), *
97 : ! * & COLO2(MXLAY)
98 : ! * COMMON /INTFAC/ FAC00(MXLAY),FAC01(MXLAY), *
99 : ! * & FAC10(MXLAY),FAC11(MXLAY) *
100 : ! * COMMON /INTIND/ JP(MXLAY),JT(MXLAY),JT1(MXLAY) *
101 : ! * COMMON /SELF/ SELFFAC(MXLAY), SELFFRAC(MXLAY), INDSELF(MXLAY) *
102 : ! * *
103 : ! * Description: *
104 : ! * NG(IBAND) - number of g-values in band IBAND *
105 : ! * NSPA(IBAND) - for the lower atmosphere, the number of reference *
106 : ! * atmospheres that are stored for band IBAND per *
107 : ! * pressure level and temperature. Each of these *
108 : ! * atmospheres has different relative amounts of the *
109 : ! * key species for the band (i.e. different binary *
110 : ! * species parameters). *
111 : ! * NSPB(IBAND) - same for upper atmosphere *
112 : ! * ONEMINUS - since problems are caused in some cases by interpolation *
113 : ! * parameters equal to or greater than 1, for these cases *
114 : ! * these parameters are set to this value, slightly < 1. *
115 : ! * PAVEL - layer pressures (mb) *
116 : ! * TAVEL - layer temperatures (degrees K) *
117 : ! * PZ - level pressures (mb) *
118 : ! * TZ - level temperatures (degrees K) *
119 : ! * LAYTROP - layer at which switch is made from one combination of *
120 : ! * key species to another *
121 : ! * COLH2O, COLCO2, COLO3, COLN2O, COLCH4 - column amounts of water *
122 : ! * vapor,carbon dioxide, ozone, nitrous ozide, methane, *
123 : ! * respectively (molecules/cm**2) *
124 : ! * FACij(LAY) - for layer LAY, these are factors that are needed to *
125 : ! * compute the interpolation factors that multiply the *
126 : ! * appropriate reference k-values. A value of 0 (1) for *
127 : ! * i,j indicates that the corresponding factor multiplies *
128 : ! * reference k-value for the lower (higher) of the two *
129 : ! * appropriate temperatures, and altitudes, respectively. *
130 : ! * JP - the index of the lower (in altitude) of the two appropriate *
131 : ! * reference pressure levels needed for interpolation *
132 : ! * JT, JT1 - the indices of the lower of the two appropriate reference *
133 : ! * temperatures needed for interpolation (for pressure *
134 : ! * levels JP and JP+1, respectively) *
135 : ! * SELFFAC - scale factor needed for water vapor self-continuum, equals *
136 : ! * (water vapor density)/(atmospheric density at 296K and *
137 : ! * 1013 mb) *
138 : ! * SELFFRAC - factor needed for temperature interpolation of reference *
139 : ! * water vapor self-continuum data *
140 : ! * INDSELF - index of the lower of the two appropriate reference *
141 : ! * temperatures needed for the self-continuum interpolation *
142 : ! * FORFAC - scale factor needed for water vapor foreign-continuum. *
143 : ! * FORFRAC - factor needed for temperature interpolation of reference *
144 : ! * water vapor foreign-continuum data *
145 : ! * INDFOR - index of the lower of the two appropriate reference *
146 : ! * temperatures needed for the foreign-continuum interpolation *
147 : ! * *
148 : ! * Data input *
149 : ! * COMMON /Kn/ KA(NSPA(n),5,13,MG), KB(NSPB(n),5,13:59,MG), SELFREF(10,MG),*
150 : ! * FORREF(4,MG), KA_M'MGAS', KB_M'MGAS' *
151 : ! * (note: n is the band number,'MGAS' is the species name of the minor *
152 : ! * gas) *
153 : ! * *
154 : ! * Description: *
155 : ! * KA - k-values for low reference atmospheres (key-species only) *
156 : ! * (units: cm**2/molecule) *
157 : ! * KB - k-values for high reference atmospheres (key-species only) *
158 : ! * (units: cm**2/molecule) *
159 : ! * KA_M'MGAS' - k-values for low reference atmosphere minor species *
160 : ! * (units: cm**2/molecule) *
161 : ! * KB_M'MGAS' - k-values for high reference atmosphere minor species *
162 : ! * (units: cm**2/molecule) *
163 : ! * SELFREF - k-values for water vapor self-continuum for reference *
164 : ! * atmospheres (used below LAYTROP) *
165 : ! * (units: cm**2/molecule) *
166 : ! * FORREF - k-values for water vapor foreign-continuum for reference *
167 : ! * atmospheres (used below/above LAYTROP) *
168 : ! * (units: cm**2/molecule) *
169 : ! * *
170 : ! * DIMENSION ABSA(65*NSPA(n),MG), ABSB(235*NSPB(n),MG) *
171 : ! * EQUIVALENCE (KA,ABSA),(KB,ABSB) *
172 : ! * *
173 : !*******************************************************************************
174 :
175 : ! ------- Declarations -------
176 :
177 : ! ----- Input -----
178 : integer, intent(in) :: nlayers ! total number of layers
179 : real(kind=r8), intent(in) :: pavel(nlayers) ! layer pressures (mb)
180 : ! Dimensions: (nlayers)
181 : real(kind=r8), intent(in) :: wx(maxxsec,nlayers) ! cross-section amounts (mol/cm2)
182 : ! Dimensions: (maxxsec,nlayers)
183 : real(kind=r8), intent(in) :: coldry(nlayers) ! column amount (dry air)
184 : ! Dimensions: (nlayers)
185 :
186 : integer, intent(in) :: laytrop ! tropopause layer index
187 : integer, intent(in) :: jp(nlayers) !
188 : ! Dimensions: (nlayers)
189 : integer, intent(in) :: jt(nlayers) !
190 : ! Dimensions: (nlayers)
191 : integer, intent(in) :: jt1(nlayers) !
192 : ! Dimensions: (nlayers)
193 : real(kind=r8), intent(in) :: planklay(nlayers,nbndlw) !
194 : ! Dimensions: (nlayers,nbndlw)
195 : real(kind=r8), intent(in) :: planklev(0:nlayers,nbndlw) !
196 : ! Dimensions: (nlayers,nbndlw)
197 : real(kind=r8), intent(in) :: plankbnd(nbndlw) !
198 : ! Dimensions: (nbndlw)
199 :
200 : real(kind=r8), intent(in) :: colh2o(nlayers) ! column amount (h2o)
201 : ! Dimensions: (nlayers)
202 : real(kind=r8), intent(in) :: colco2(nlayers) ! column amount (co2)
203 : ! Dimensions: (nlayers)
204 : real(kind=r8), intent(in) :: colo3(nlayers) ! column amount (o3)
205 : ! Dimensions: (nlayers)
206 : real(kind=r8), intent(in) :: coln2o(nlayers) ! column amount (n2o)
207 : ! Dimensions: (nlayers)
208 : real(kind=r8), intent(in) :: colco(nlayers) ! column amount (co)
209 : ! Dimensions: (nlayers)
210 : real(kind=r8), intent(in) :: colch4(nlayers) ! column amount (ch4)
211 : ! Dimensions: (nlayers)
212 : real(kind=r8), intent(in) :: colo2(nlayers) ! column amount (o2)
213 : ! Dimensions: (nlayers)
214 : real(kind=r8), intent(in) :: colbrd(nlayers) ! column amount (broadening gases)
215 : ! Dimensions: (nlayers)
216 :
217 : integer, intent(in) :: indself(nlayers)
218 : ! Dimensions: (nlayers)
219 : integer, intent(in) :: indfor(nlayers)
220 : ! Dimensions: (nlayers)
221 : real(kind=r8), intent(in) :: selffac(nlayers)
222 : ! Dimensions: (nlayers)
223 : real(kind=r8), intent(in) :: selffrac(nlayers)
224 : ! Dimensions: (nlayers)
225 : real(kind=r8), intent(in) :: forfac(nlayers)
226 : ! Dimensions: (nlayers)
227 : real(kind=r8), intent(in) :: forfrac(nlayers)
228 : ! Dimensions: (nlayers)
229 :
230 : integer, intent(in) :: indminor(nlayers)
231 : ! Dimensions: (nlayers)
232 : real(kind=r8), intent(in) :: minorfrac(nlayers)
233 : ! Dimensions: (nlayers)
234 : real(kind=r8), intent(in) :: scaleminor(nlayers)
235 : ! Dimensions: (nlayers)
236 : real(kind=r8), intent(in) :: scaleminorn2(nlayers)
237 : ! Dimensions: (nlayers)
238 :
239 : real(kind=r8), dimension(nlayers), intent(in) :: & !
240 : fac00, fac01, & ! Dimensions: (nlayers)
241 : fac10, fac11
242 : real(kind=r8), dimension(nlayers), intent(in) :: & !
243 : rat_h2oco2,rat_h2oco2_1, &
244 : rat_h2oo3,rat_h2oo3_1, & ! Dimensions: (nlayers)
245 : rat_h2on2o,rat_h2on2o_1, &
246 : rat_h2och4,rat_h2och4_1, &
247 : rat_n2oco2,rat_n2oco2_1, &
248 : rat_o3co2,rat_o3co2_1
249 :
250 : ! ----- Output -----
251 : real(kind=r8), intent(out) :: fracs(nlayers,ngptlw) ! planck fractions
252 : ! Dimensions: (nlayers,ngptlw)
253 : real(kind=r8), intent(out) :: taug(nlayers,ngptlw) ! gaseous optical depth
254 : ! Dimensions: (nlayers,ngptlw)
255 :
256 : ! Calculate gaseous optical depth and planck fractions for each spectral band.
257 :
258 486000 : call taugb1
259 486000 : call taugb2
260 486000 : call taugb3
261 486000 : call taugb4
262 486000 : call taugb5
263 486000 : call taugb6
264 486000 : call taugb7
265 486000 : call taugb8
266 486000 : call taugb9
267 486000 : call taugb10
268 486000 : call taugb11
269 486000 : call taugb12
270 486000 : call taugb13
271 486000 : call taugb14
272 486000 : call taugb15
273 486000 : call taugb16
274 :
275 : contains
276 :
277 : !----------------------------------------------------------------------------
278 486000 : subroutine taugb1
279 : !----------------------------------------------------------------------------
280 :
281 : ! ------- Modifications -------
282 : ! Written by Eli J. Mlawer, Atmospheric & Environmental Research.
283 : ! Revised by Michael J. Iacono, Atmospheric & Environmental Research.
284 : !
285 : ! band 1: 10-350 cm-1 (low key - h2o; low minor - n2)
286 : ! (high key - h2o; high minor - n2)
287 : !
288 : ! note: previous versions of rrtm band 1:
289 : ! 10-250 cm-1 (low - h2o; high - h2o)
290 : !----------------------------------------------------------------------------
291 :
292 : ! ------- Modules -------
293 :
294 : use parrrtm, only : ng1
295 : use rrlw_kg01, only : fracrefa, fracrefb, absa, absb, &
296 : ka_mn2, kb_mn2, selfref, forref
297 :
298 : ! ------- Declarations -------
299 :
300 : ! Local
301 972000 : integer :: lay, ind0(nlayers), ind1(nlayers), ig
302 972000 : real(kind=r8) :: corradj(nlayers), scalen2(nlayers), tauself, taufor, taun2
303 :
304 :
305 : ! Minor gas mapping levels:
306 : ! lower - n2, p = 142.5490 mbar, t = 215.70 k
307 : ! upper - n2, p = 142.5490 mbar, t = 215.70 k
308 :
309 : ! Compute the optical depth by interpolating in ln(pressure) and
310 : ! temperature. Below laytrop, the water vapor self-continuum and
311 : ! foreign continuum is interpolated (in temperature) separately.
312 :
313 : ! Lower atmosphere loop
314 23763448 : do lay = 1, laytrop
315 :
316 23277448 : ind0(lay) = ((jp(lay)-1)*5+(jt(lay)-1))*nspa(1) + 1
317 23277448 : ind1(lay) = (jp(lay)*5+(jt1(lay)-1))*nspa(1) + 1
318 : !inds = indself(lay)
319 : !indf = indfor(lay)
320 : !indm = indminor(lay)
321 : !pp = pavel(lay)
322 23277448 : corradj(lay) = 1.
323 23763448 : scalen2(lay) = colbrd(lay) * scaleminorn2(lay)
324 : enddo
325 23763448 : do lay = 1, laytrop
326 23763448 : if (pavel(lay) .lt. 250._r8) then
327 6856962 : corradj(lay) = 1._r8 - 0.15_r8 * (250._r8-pavel(lay)) / 154.4_r8
328 : endif
329 : enddo
330 23763448 : do lay = 1, laytrop
331 256537928 : do ig = 1, ng1
332 698323440 : tauself = selffac(lay) * (selfref(indself(lay),ig) + selffrac(lay) * &
333 931097920 : (selfref(indself(lay)+1,ig) - selfref(indself(lay),ig)))
334 465548960 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
335 465548960 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
336 465548960 : taun2 = scalen2(lay)*(ka_mn2(indminor(lay),ig) + &
337 465548960 : minorfrac(lay) * (ka_mn2(indminor(lay)+1,ig) - ka_mn2(indminor(lay),ig)))
338 232774480 : taug(lay,ig) = corradj(lay) * (colh2o(lay) * &
339 465548960 : (fac00(lay) * absa(ind0(lay),ig) + &
340 465548960 : fac10(lay) * absa(ind0(lay)+1,ig) + &
341 465548960 : fac01(lay) * absa(ind1(lay),ig) + &
342 465548960 : fac11(lay) * absa(ind1(lay)+1,ig)) &
343 931097920 : + tauself + taufor + taun2)
344 256051928 : fracs(lay,ig) = fracrefa(ig)
345 : enddo
346 : enddo
347 :
348 : ! Upper atmosphere loop
349 22406552 : do lay = laytrop+1, nlayers
350 :
351 21920552 : ind0(lay) = ((jp(lay)-13)*5+(jt(lay)-1))*nspb(1) + 1
352 21920552 : ind1(lay) = ((jp(lay)-12)*5+(jt1(lay)-1))*nspb(1) + 1
353 : !indf = indfor(lay)
354 : !indm = indminor(lay)
355 : !pp = pavel(lay)
356 21920552 : corradj(lay) = 1._r8 - 0.15_r8 * (pavel(lay) / 95.6_r8)
357 :
358 22406552 : scalen2(lay) = colbrd(lay) * scaleminorn2(lay)
359 : enddo
360 22406552 : do lay = laytrop+1, nlayers
361 241612072 : do ig = 1, ng1
362 657616560 : taufor = forfac(lay) * (forref(indfor(lay),ig) + &
363 876822080 : forfrac(lay) * (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
364 438411040 : taun2 = scalen2(lay)*(kb_mn2(indminor(lay),ig) + &
365 438411040 : minorfrac(lay) * (kb_mn2(indminor(lay)+1,ig) - kb_mn2(indminor(lay),ig)))
366 219205520 : taug(lay,ig) = corradj(lay) * (colh2o(lay) * &
367 438411040 : (fac00(lay) * absb(ind0(lay),ig) + &
368 438411040 : fac10(lay) * absb(ind0(lay)+1,ig) + &
369 438411040 : fac01(lay) * absb(ind1(lay),ig) + &
370 438411040 : fac11(lay) * absb(ind1(lay)+1,ig)) &
371 876822080 : + taufor + taun2)
372 241126072 : fracs(lay,ig) = fracrefb(ig)
373 : enddo
374 : enddo
375 :
376 486000 : end subroutine taugb1
377 :
378 : !----------------------------------------------------------------------------
379 486000 : subroutine taugb2
380 : !----------------------------------------------------------------------------
381 : !
382 : ! band 2: 350-500 cm-1 (low key - h2o; high key - h2o)
383 : !
384 : ! note: previous version of rrtm band 2:
385 : ! 250 - 500 cm-1 (low - h2o; high - h2o)
386 : !----------------------------------------------------------------------------
387 :
388 : ! ------- Modules -------
389 :
390 : use parrrtm, only : ng2, ngs1
391 : use rrlw_kg02, only : fracrefa, fracrefb, absa, absb, &
392 : selfref, forref
393 :
394 : ! ------- Declarations -------
395 :
396 : ! Local
397 972000 : integer :: lay, ind0(nlayers), ind1(nlayers), ig
398 972000 : real(kind=r8) :: corradj(nlayers), tauself, taufor
399 :
400 :
401 : ! Compute the optical depth by interpolating in ln(pressure) and
402 : ! temperature. Below laytrop, the water vapor self-continuum and
403 : ! foreign continuum is interpolated (in temperature) separately.
404 :
405 : ! Lower atmosphere loop
406 23763448 : do lay = 1, laytrop
407 :
408 23277448 : ind0(lay) = ((jp(lay)-1)*5+(jt(lay)-1))*nspa(2) + 1
409 23277448 : ind1(lay) = (jp(lay)*5+(jt1(lay)-1))*nspa(2) + 1
410 : !inds = indself(lay)
411 : !indf = indfor(lay)
412 : !pp = pavel(lay)
413 23763448 : corradj(lay) = 1._r8 - .05_r8 * (pavel(lay) - 100._r8) / 900._r8
414 : enddo
415 23763448 : do lay = 1, laytrop
416 303092824 : do ig = 1, ng2
417 837988128 : tauself = selffac(lay) * (selfref(indself(lay),ig) + selffrac(lay) * &
418 1117317504 : (selfref(indself(lay)+1,ig) - selfref(indself(lay),ig)))
419 558658752 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
420 558658752 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
421 279329376 : taug(lay,ngs1+ig) = corradj(lay) * (colh2o(lay) * &
422 558658752 : (fac00(lay) * absa(ind0(lay),ig) + &
423 558658752 : fac10(lay) * absa(ind0(lay)+1,ig) + &
424 558658752 : fac01(lay) * absa(ind1(lay),ig) + &
425 558658752 : fac11(lay) * absa(ind1(lay)+1,ig)) &
426 1396646880 : + tauself + taufor)
427 302606824 : fracs(lay,ngs1+ig) = fracrefa(ig)
428 : enddo
429 : enddo
430 :
431 : ! Upper atmosphere loop
432 22406552 : do lay = laytrop+1, nlayers
433 :
434 21920552 : ind0(lay) = ((jp(lay)-13)*5+(jt(lay)-1))*nspb(2) + 1
435 22406552 : ind1(lay) = ((jp(lay)-12)*5+(jt1(lay)-1))*nspb(2) + 1
436 : !indf = indfor(lay)
437 : enddo
438 22406552 : do lay = laytrop+1, nlayers
439 285453176 : do ig = 1, ng2
440 789139872 : taufor = forfac(lay) * (forref(indfor(lay),ig) + &
441 1052186496 : forfrac(lay) * (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
442 263046624 : taug(lay,ngs1+ig) = colh2o(lay) * &
443 526093248 : (fac00(lay) * absb(ind0(lay),ig) + &
444 526093248 : fac10(lay) * absb(ind0(lay)+1,ig) + &
445 526093248 : fac01(lay) * absb(ind1(lay),ig) + &
446 526093248 : fac11(lay) * absb(ind1(lay)+1,ig)) &
447 1315233120 : + taufor
448 284967176 : fracs(lay,ngs1+ig) = fracrefb(ig)
449 : enddo
450 : enddo
451 :
452 486000 : end subroutine taugb2
453 :
454 : !----------------------------------------------------------------------------
455 486000 : subroutine taugb3
456 : !----------------------------------------------------------------------------
457 : !
458 : ! band 3: 500-630 cm-1 (low key - h2o,co2; low minor - n2o)
459 : ! (high key - h2o,co2; high minor - n2o)
460 : !----------------------------------------------------------------------------
461 :
462 : ! ------- Modules -------
463 :
464 : use parrrtm, only : ng3, ngs2
465 : use rrlw_ref, only : chi_mls
466 : use rrlw_kg03, only : fracrefa, fracrefb, absa, absb,&
467 : ka_mn2o, kb_mn2o, selfref, forref
468 :
469 : ! ------- Declarations -------
470 :
471 : ! Local
472 972000 : integer :: lay, ind0(nlayers), ind1(nlayers), ig
473 972000 : integer, dimension(nlayers) :: js, js1, jmn2o, jpl
474 972000 : real(kind=r8), dimension(nlayers) :: speccomb, specparm, specmult, fs
475 972000 : real(kind=r8), dimension(nlayers) :: speccomb1, specparm1, specmult1, fs1
476 972000 : real(kind=r8), dimension(nlayers) :: speccomb_mn2o, specparm_mn2o, specmult_mn2o, &
477 972000 : fmn2o, fmn2omf, chi_n2o, ratn2o, adjfac, adjcoln2o
478 972000 : real(kind=r8), dimension(nlayers) :: speccomb_planck, specparm_planck, specmult_planck, fpl
479 : real(kind=r8) :: p, p4, fk0, fk1, fk2
480 972000 : real(kind=r8), dimension(nlayers) :: fac000, fac100, fac200, fac010, fac110, fac210
481 972000 : real(kind=r8), dimension(nlayers) :: fac001, fac101, fac201, fac011, fac111, fac211
482 : real(kind=r8) :: tauself, taufor, n2om1, n2om2, absn2o
483 : real(kind=r8) :: refrat_planck_a, refrat_planck_b, refrat_m_a, refrat_m_b
484 : real(kind=r8) :: tau_major, tau_major1
485 :
486 :
487 : ! Minor gas mapping levels:
488 : ! lower - n2o, p = 706.272 mbar, t = 278.94 k
489 : ! upper - n2o, p = 95.58 mbar, t = 215.7 k
490 :
491 : ! P = 212.725 mb
492 486000 : refrat_planck_a = chi_mls(1,9)/chi_mls(2,9)
493 :
494 : ! P = 95.58 mb
495 486000 : refrat_planck_b = chi_mls(1,13)/chi_mls(2,13)
496 :
497 : ! P = 706.270mb
498 486000 : refrat_m_a = chi_mls(1,3)/chi_mls(2,3)
499 :
500 : ! P = 95.58 mb
501 486000 : refrat_m_b = chi_mls(1,13)/chi_mls(2,13)
502 :
503 : ! Compute the optical depth by interpolating in ln(pressure) and
504 : ! temperature, and appropriate species. Below laytrop, the water vapor
505 : ! self-continuum and foreign continuum is interpolated (in temperature)
506 : ! separately.
507 :
508 : ! Lower atmosphere loop
509 23763448 : do lay = 1, laytrop
510 :
511 23277448 : speccomb(lay) = colh2o(lay) + rat_h2oco2(lay)*colco2(lay)
512 23277448 : specparm(lay) = colh2o(lay)/speccomb(lay)
513 23277448 : if (specparm(lay) .ge. oneminus) specparm(lay) = oneminus
514 23277448 : specmult(lay) = 8._r8*(specparm(lay))
515 23277448 : js(lay) = 1 + int(specmult(lay))
516 23277448 : fs(lay) = mod(specmult(lay),1.0_r8)
517 :
518 23277448 : speccomb1(lay) = colh2o(lay) + rat_h2oco2_1(lay)*colco2(lay)
519 23277448 : specparm1(lay) = colh2o(lay)/speccomb1(lay)
520 23277448 : if (specparm1(lay) .ge. oneminus) specparm1(lay) = oneminus
521 23277448 : specmult1(lay) = 8._r8*(specparm1(lay))
522 23277448 : js1(lay) = 1 + int(specmult1(lay))
523 23277448 : fs1(lay) = mod(specmult1(lay),1.0_r8)
524 :
525 23277448 : speccomb_mn2o(lay) = colh2o(lay) + refrat_m_a*colco2(lay)
526 23277448 : specparm_mn2o(lay) = colh2o(lay)/speccomb_mn2o(lay)
527 23277448 : if (specparm_mn2o(lay) .ge. oneminus) specparm_mn2o(lay) = oneminus
528 23277448 : specmult_mn2o(lay) = 8._r8*specparm_mn2o(lay)
529 23277448 : jmn2o(lay) = 1 + int(specmult_mn2o(lay))
530 23277448 : fmn2o(lay) = mod(specmult_mn2o(lay),1.0_r8)
531 23277448 : fmn2omf(lay) = minorfrac(lay)*fmn2o(lay)
532 : ! In atmospheres where the amount of N2O is too great to be considered
533 : ! a minor species, adjust the column amount of N2O by an empirical factor
534 : ! to obtain the proper contribution.
535 23277448 : chi_n2o(lay) = coln2o(lay)/coldry(lay)
536 23763448 : ratn2o(lay) = 1.e20_r8*chi_n2o(lay)/chi_mls(4,jp(lay)+1)
537 : enddo
538 23763448 : do lay = 1, laytrop
539 23763448 : if (ratn2o(lay) .gt. 1.5_r8) then
540 0 : adjfac(lay) = 0.5_r8+(ratn2o(lay)-0.5_r8)**0.65_r8
541 0 : adjcoln2o(lay) = adjfac(lay)*chi_mls(4,jp(lay)+1)*coldry(lay)*1.e-20_r8
542 : else
543 23277448 : adjcoln2o(lay) = coln2o(lay)
544 : endif
545 : enddo
546 23763448 : do lay = 1, laytrop
547 :
548 23277448 : speccomb_planck(lay) = colh2o(lay)+refrat_planck_a*colco2(lay)
549 23277448 : specparm_planck(lay) = colh2o(lay)/speccomb_planck(lay)
550 23277448 : if (specparm_planck(lay) .ge. oneminus) specparm_planck(lay)=oneminus
551 23277448 : specmult_planck(lay) = 8._r8*specparm_planck(lay)
552 23277448 : jpl(lay)= 1 + int(specmult_planck(lay))
553 23277448 : fpl(lay) = mod(specmult_planck(lay),1.0_r8)
554 :
555 23277448 : ind0(lay) = ((jp(lay)-1)*5+(jt(lay)-1))*nspa(3) + js(lay)
556 23763448 : ind1(lay) = (jp(lay)*5+(jt1(lay)-1))*nspa(3) + js1(lay)
557 : enddo
558 23763448 : do lay = 1, laytrop
559 :
560 23277448 : if (specparm(lay) .lt. 0.125_r8) then
561 3737204 : p = fs(lay) - 1
562 3737204 : p4 = p**4
563 3737204 : fk0 = p4
564 3737204 : fk1 = 1 - p - 2.0_r8*p4
565 3737204 : fk2 = p + p4
566 3737204 : fac000(lay) = fk0*fac00(lay)
567 3737204 : fac100(lay) = fk1*fac00(lay)
568 3737204 : fac200(lay) = fk2*fac00(lay)
569 3737204 : fac010(lay) = fk0*fac10(lay)
570 3737204 : fac110(lay) = fk1*fac10(lay)
571 3737204 : fac210(lay) = fk2*fac10(lay)
572 19540244 : else if (specparm(lay) .gt. 0.875_r8) then
573 31557 : p = -fs(lay)
574 31557 : p4 = p**4
575 31557 : fk0 = p4
576 31557 : fk1 = 1 - p - 2.0_r8*p4
577 31557 : fk2 = p + p4
578 31557 : fac000(lay) = fk0*fac00(lay)
579 31557 : fac100(lay) = fk1*fac00(lay)
580 31557 : fac200(lay) = fk2*fac00(lay)
581 31557 : fac010(lay) = fk0*fac10(lay)
582 31557 : fac110(lay) = fk1*fac10(lay)
583 31557 : fac210(lay) = fk2*fac10(lay)
584 : else
585 19508687 : fac000(lay) = (1._r8 - fs(lay)) * fac00(lay)
586 19508687 : fac010(lay) = (1._r8 - fs(lay)) * fac10(lay)
587 19508687 : fac100(lay) = fs(lay) * fac00(lay)
588 19508687 : fac110(lay) = fs(lay) * fac10(lay)
589 : endif
590 23763448 : if (specparm1(lay) .lt. 0.125_r8) then
591 1487462 : p = fs1(lay) - 1
592 1487462 : p4 = p**4
593 1487462 : fk0 = p4
594 1487462 : fk1 = 1 - p - 2.0_r8*p4
595 1487462 : fk2 = p + p4
596 1487462 : fac001(lay) = fk0*fac01(lay)
597 1487462 : fac101(lay) = fk1*fac01(lay)
598 1487462 : fac201(lay) = fk2*fac01(lay)
599 1487462 : fac011(lay) = fk0*fac11(lay)
600 1487462 : fac111(lay) = fk1*fac11(lay)
601 1487462 : fac211(lay) = fk2*fac11(lay)
602 21789986 : else if (specparm1(lay) .gt. 0.875_r8) then
603 675028 : p = -fs1(lay)
604 675028 : p4 = p**4
605 675028 : fk0 = p4
606 675028 : fk1 = 1 - p - 2.0_r8*p4
607 675028 : fk2 = p + p4
608 675028 : fac001(lay) = fk0*fac01(lay)
609 675028 : fac101(lay) = fk1*fac01(lay)
610 675028 : fac201(lay) = fk2*fac01(lay)
611 675028 : fac011(lay) = fk0*fac11(lay)
612 675028 : fac111(lay) = fk1*fac11(lay)
613 675028 : fac211(lay) = fk2*fac11(lay)
614 : else
615 21114958 : fac001(lay) = (1._r8 - fs1(lay)) * fac01(lay)
616 21114958 : fac011(lay) = (1._r8 - fs1(lay)) * fac11(lay)
617 21114958 : fac101(lay) = fs1(lay) * fac01(lay)
618 21114958 : fac111(lay) = fs1(lay) * fac11(lay)
619 : endif
620 : enddo
621 23763448 : do lay = 1, laytrop
622 :
623 396202616 : do ig = 1, ng3
624 1117317504 : tauself = selffac(lay)* (selfref(indself(lay),ig) + selffrac(lay) * &
625 1489756672 : (selfref(indself(lay)+1,ig) - selfref(indself(lay),ig)))
626 744878336 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
627 744878336 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
628 1117317504 : n2om1 = ka_mn2o(jmn2o(lay),indminor(lay),ig) + fmn2o(lay) * &
629 1117317504 : (ka_mn2o(jmn2o(lay)+1,indminor(lay),ig) - ka_mn2o(jmn2o(lay),indminor(lay),ig))
630 372439168 : n2om2 = ka_mn2o(jmn2o(lay),indminor(lay)+1,ig) + fmn2o(lay) * &
631 372439168 : (ka_mn2o(jmn2o(lay)+1,indminor(lay)+1,ig) - ka_mn2o(jmn2o(lay),indminor(lay)+1,ig))
632 372439168 : absn2o = n2om1 + minorfrac(lay) * (n2om2 - n2om1)
633 :
634 372439168 : if (specparm(lay) .lt. 0.125_r8) then
635 : tau_major = speccomb(lay) * &
636 59795264 : (fac000(lay) * absa(ind0(lay),ig) + &
637 59795264 : fac100(lay) * absa(ind0(lay)+1,ig) + &
638 59795264 : fac200(lay) * absa(ind0(lay)+2,ig) + &
639 59795264 : fac010(lay) * absa(ind0(lay)+9,ig) + &
640 59795264 : fac110(lay) * absa(ind0(lay)+10,ig) + &
641 358771584 : fac210(lay) * absa(ind0(lay)+11,ig))
642 312643904 : else if (specparm(lay) .gt. 0.875_r8) then
643 : tau_major = speccomb(lay) * &
644 504912 : (fac200(lay) * absa(ind0(lay)-1,ig) + &
645 504912 : fac100(lay) * absa(ind0(lay),ig) + &
646 504912 : fac000(lay) * absa(ind0(lay)+1,ig) + &
647 504912 : fac210(lay) * absa(ind0(lay)+8,ig) + &
648 504912 : fac110(lay) * absa(ind0(lay)+9,ig) + &
649 3029472 : fac010(lay) * absa(ind0(lay)+10,ig))
650 : else
651 : tau_major = speccomb(lay) * &
652 312138992 : (fac000(lay) * absa(ind0(lay),ig) + &
653 312138992 : fac100(lay) * absa(ind0(lay)+1,ig) + &
654 312138992 : fac010(lay) * absa(ind0(lay)+9,ig) + &
655 1248555968 : fac110(lay) * absa(ind0(lay)+10,ig))
656 : endif
657 :
658 372439168 : if (specparm1(lay) .lt. 0.125_r8) then
659 : tau_major1 = speccomb1(lay) * &
660 23799392 : (fac001(lay) * absa(ind1(lay),ig) + &
661 23799392 : fac101(lay) * absa(ind1(lay)+1,ig) + &
662 23799392 : fac201(lay) * absa(ind1(lay)+2,ig) + &
663 23799392 : fac011(lay) * absa(ind1(lay)+9,ig) + &
664 23799392 : fac111(lay) * absa(ind1(lay)+10,ig) + &
665 142796352 : fac211(lay) * absa(ind1(lay)+11,ig))
666 348639776 : else if (specparm1(lay) .gt. 0.875_r8) then
667 : tau_major1 = speccomb1(lay) * &
668 10800448 : (fac201(lay) * absa(ind1(lay)-1,ig) + &
669 10800448 : fac101(lay) * absa(ind1(lay),ig) + &
670 10800448 : fac001(lay) * absa(ind1(lay)+1,ig) + &
671 10800448 : fac211(lay) * absa(ind1(lay)+8,ig) + &
672 10800448 : fac111(lay) * absa(ind1(lay)+9,ig) + &
673 64802688 : fac011(lay) * absa(ind1(lay)+10,ig))
674 : else
675 : tau_major1 = speccomb1(lay) * &
676 337839328 : (fac001(lay) * absa(ind1(lay),ig) + &
677 337839328 : fac101(lay) * absa(ind1(lay)+1,ig) + &
678 337839328 : fac011(lay) * absa(ind1(lay)+9,ig) + &
679 1351357312 : fac111(lay) * absa(ind1(lay)+10,ig))
680 : endif
681 :
682 372439168 : taug(lay,ngs2+ig) = tau_major + tau_major1 &
683 : + tauself + taufor &
684 372439168 : + adjcoln2o(lay)*absn2o
685 744878336 : fracs(lay,ngs2+ig) = fracrefa(ig,jpl(lay)) + fpl(lay) * &
686 768155784 : (fracrefa(ig,jpl(lay)+1)-fracrefa(ig,jpl(lay)))
687 : enddo
688 : enddo
689 :
690 : ! Upper atmosphere loop
691 22406552 : do lay = laytrop+1, nlayers
692 :
693 21920552 : speccomb(lay) = colh2o(lay) + rat_h2oco2(lay)*colco2(lay)
694 21920552 : specparm(lay) = colh2o(lay)/speccomb(lay)
695 21920552 : if (specparm(lay) .ge. oneminus) specparm(lay) = oneminus
696 21920552 : specmult(lay) = 4._r8*(specparm(lay))
697 21920552 : js(lay) = 1 + int(specmult(lay))
698 21920552 : fs(lay) = mod(specmult(lay),1.0_r8)
699 :
700 21920552 : speccomb1(lay) = colh2o(lay) + rat_h2oco2_1(lay)*colco2(lay)
701 21920552 : specparm1(lay) = colh2o(lay)/speccomb1(lay)
702 21920552 : if (specparm1(lay) .ge. oneminus) specparm1(lay) = oneminus
703 21920552 : specmult1(lay) = 4._r8*(specparm1(lay))
704 21920552 : js1(lay) = 1 + int(specmult1(lay))
705 21920552 : fs1(lay) = mod(specmult1(lay),1.0_r8)
706 :
707 21920552 : fac000(lay) = (1._r8 - fs(lay)) * fac00(lay)
708 21920552 : fac010(lay) = (1._r8 - fs(lay)) * fac10(lay)
709 21920552 : fac100(lay) = fs(lay) * fac00(lay)
710 21920552 : fac110(lay) = fs(lay) * fac10(lay)
711 21920552 : fac001(lay) = (1._r8 - fs1(lay)) * fac01(lay)
712 21920552 : fac011(lay) = (1._r8 - fs1(lay)) * fac11(lay)
713 21920552 : fac101(lay) = fs1(lay) * fac01(lay)
714 21920552 : fac111(lay) = fs1(lay) * fac11(lay)
715 :
716 21920552 : speccomb_mn2o(lay) = colh2o(lay) + refrat_m_b*colco2(lay)
717 21920552 : specparm_mn2o(lay) = colh2o(lay)/speccomb_mn2o(lay)
718 21920552 : if (specparm_mn2o(lay) .ge. oneminus) specparm_mn2o(lay) = oneminus
719 21920552 : specmult_mn2o(lay) = 4._r8*specparm_mn2o(lay)
720 21920552 : jmn2o(lay) = 1 + int(specmult_mn2o(lay))
721 21920552 : fmn2o(lay) = mod(specmult_mn2o(lay),1.0_r8)
722 21920552 : fmn2omf(lay) = minorfrac(lay)*fmn2o(lay)
723 : ! In atmospheres where the amount of N2O is too great to be considered
724 : ! a minor species, adjust the column amount of N2O by an empirical factor
725 : ! to obtain the proper contribution.
726 21920552 : chi_n2o(lay) = coln2o(lay)/coldry(lay)
727 22406552 : ratn2o(lay) = 1.e20*chi_n2o(lay)/chi_mls(4,jp(lay)+1)
728 : enddo
729 22406552 : do lay = laytrop+1, nlayers
730 22406552 : if (ratn2o(lay) .gt. 1.5_r8) then
731 12971441 : adjfac(lay) = 0.5_r8+(ratn2o(lay)-0.5_r8)**0.65_r8
732 12971441 : adjcoln2o(lay) = adjfac(lay)*chi_mls(4,jp(lay)+1)*coldry(lay)*1.e-20_r8
733 : else
734 8949111 : adjcoln2o(lay) = coln2o(lay)
735 : endif
736 : enddo
737 22406552 : do lay = laytrop+1, nlayers
738 :
739 21920552 : speccomb_planck(lay) = colh2o(lay)+refrat_planck_b*colco2(lay)
740 21920552 : specparm_planck(lay) = colh2o(lay)/speccomb_planck(lay)
741 21920552 : if (specparm_planck(lay) .ge. oneminus) specparm_planck(lay)=oneminus
742 21920552 : specmult_planck(lay) = 4._r8*specparm_planck(lay)
743 21920552 : jpl(lay)= 1 + int(specmult_planck(lay))
744 21920552 : fpl(lay) = mod(specmult_planck(lay),1.0_r8)
745 :
746 21920552 : ind0(lay) = ((jp(lay)-13)*5+(jt(lay)-1))*nspb(3) + js(lay)
747 22406552 : ind1(lay) = ((jp(lay)-12)*5+(jt1(lay)-1))*nspb(3) + js1(lay)
748 : enddo
749 22406552 : do lay = laytrop+1, nlayers
750 :
751 373135384 : do ig = 1, ng3
752 1052186496 : taufor = forfac(lay) * (forref(indfor(lay),ig) + &
753 1402915328 : forfrac(lay) * (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
754 1052186496 : n2om1 = kb_mn2o(jmn2o(lay),indminor(lay),ig) + fmn2o(lay) * &
755 1052186496 : (kb_mn2o(jmn2o(lay)+1,indminor(lay),ig)-kb_mn2o(jmn2o(lay),indminor(lay),ig))
756 350728832 : n2om2 = kb_mn2o(jmn2o(lay),indminor(lay)+1,ig) + fmn2o(lay) * &
757 350728832 : (kb_mn2o(jmn2o(lay)+1,indminor(lay)+1,ig)-kb_mn2o(jmn2o(lay),indminor(lay)+1,ig))
758 350728832 : absn2o = n2om1 + minorfrac(lay) * (n2om2 - n2om1)
759 350728832 : taug(lay,ngs2+ig) = speccomb(lay) * &
760 350728832 : (fac000(lay) * absb(ind0(lay),ig) + &
761 350728832 : fac100(lay) * absb(ind0(lay)+1,ig) + &
762 350728832 : fac010(lay) * absb(ind0(lay)+5,ig) + &
763 350728832 : fac110(lay) * absb(ind0(lay)+6,ig)) &
764 : + speccomb1(lay) * &
765 350728832 : (fac001(lay) * absb(ind1(lay),ig) + &
766 350728832 : fac101(lay) * absb(ind1(lay)+1,ig) + &
767 350728832 : fac011(lay) * absb(ind1(lay)+5,ig) + &
768 350728832 : fac111(lay) * absb(ind1(lay)+6,ig)) &
769 : + taufor &
770 3156559488 : + adjcoln2o(lay)*absn2o
771 701457664 : fracs(lay,ngs2+ig) = fracrefb(ig,jpl(lay)) + fpl(lay) * &
772 723378216 : (fracrefb(ig,jpl(lay)+1)-fracrefb(ig,jpl(lay)))
773 : enddo
774 : enddo
775 :
776 486000 : end subroutine taugb3
777 :
778 : !----------------------------------------------------------------------------
779 486000 : subroutine taugb4
780 : !----------------------------------------------------------------------------
781 : !
782 : ! band 4: 630-700 cm-1 (low key - h2o,co2; high key - o3,co2)
783 : !----------------------------------------------------------------------------
784 :
785 : ! ------- Modules -------
786 :
787 : use parrrtm, only : ng4, ngs3
788 : use rrlw_ref, only : chi_mls
789 : use rrlw_kg04, only : fracrefa, fracrefb, absa, absb, &
790 : selfref, forref
791 :
792 : ! ------- Declarations -------
793 :
794 : ! Local
795 972000 : integer :: lay, ind0(nlayers), ind1(nlayers), ig
796 972000 : integer, dimension(nlayers) :: js, js1, jpl
797 972000 : real(kind=r8), dimension(nlayers) :: speccomb, specparm, specmult, fs
798 972000 : real(kind=r8), dimension(nlayers) :: speccomb1, specparm1, specmult1, fs1
799 972000 : real(kind=r8), dimension(nlayers) :: speccomb_planck, specparm_planck, specmult_planck, fpl
800 : real(kind=r8) :: p, p4, fk0, fk1, fk2
801 972000 : real(kind=r8), dimension(nlayers) :: fac000, fac100, fac200, fac010, fac110, fac210
802 972000 : real(kind=r8), dimension(nlayers) :: fac001, fac101, fac201, fac011, fac111, fac211
803 : real(kind=r8) :: tauself, taufor
804 : real(kind=r8) :: refrat_planck_a, refrat_planck_b
805 : real(kind=r8) :: tau_major, tau_major1
806 :
807 :
808 : ! P = 142.5940 mb
809 486000 : refrat_planck_a = chi_mls(1,11)/chi_mls(2,11)
810 :
811 : ! P = 95.58350 mb
812 486000 : refrat_planck_b = chi_mls(3,13)/chi_mls(2,13)
813 :
814 : ! Compute the optical depth by interpolating in ln(pressure) and
815 : ! temperature, and appropriate species. Below laytrop, the water
816 : ! vapor self-continuum and foreign continuum is interpolated (in temperature)
817 : ! separately.
818 :
819 : ! Lower atmosphere loop
820 23763448 : do lay = 1, laytrop
821 :
822 23277448 : speccomb(lay) = colh2o(lay) + rat_h2oco2(lay)*colco2(lay)
823 23277448 : specparm(lay) = colh2o(lay)/speccomb(lay)
824 23277448 : if (specparm(lay) .ge. oneminus) specparm(lay) = oneminus
825 23277448 : specmult(lay) = 8._r8*(specparm(lay))
826 23277448 : js(lay) = 1 + int(specmult(lay))
827 23277448 : fs(lay) = mod(specmult(lay),1.0_r8)
828 :
829 23277448 : speccomb1(lay) = colh2o(lay) + rat_h2oco2_1(lay)*colco2(lay)
830 23277448 : specparm1(lay) = colh2o(lay)/speccomb1(lay)
831 23277448 : if (specparm1(lay) .ge. oneminus) specparm1(lay) = oneminus
832 23277448 : specmult1(lay) = 8._r8*(specparm1(lay))
833 23277448 : js1(lay) = 1 + int(specmult1(lay))
834 23277448 : fs1(lay) = mod(specmult1(lay),1.0_r8)
835 :
836 23277448 : speccomb_planck(lay) = colh2o(lay)+refrat_planck_a*colco2(lay)
837 23277448 : specparm_planck(lay) = colh2o(lay)/speccomb_planck(lay)
838 23277448 : if (specparm_planck(lay) .ge. oneminus) specparm_planck(lay)=oneminus
839 23277448 : specmult_planck(lay) = 8._r8*specparm_planck(lay)
840 23277448 : jpl(lay)= 1 + int(specmult_planck(lay))
841 23277448 : fpl(lay) = mod(specmult_planck(lay),1.0_r8)
842 :
843 23277448 : ind0(lay) = ((jp(lay)-1)*5+(jt(lay)-1))*nspa(4) + js(lay)
844 23763448 : ind1(lay) = (jp(lay)*5+(jt1(lay)-1))*nspa(4) + js1(lay)
845 : enddo
846 23763448 : do lay = 1, laytrop
847 23277448 : if (specparm(lay) .lt. 0.125_r8) then
848 3737204 : p = fs(lay) - 1
849 3737204 : p4 = p**4
850 3737204 : fk0 = p4
851 3737204 : fk1 = 1 - p - 2.0_r8*p4
852 3737204 : fk2 = p + p4
853 3737204 : fac000(lay) = fk0*fac00(lay)
854 3737204 : fac100(lay) = fk1*fac00(lay)
855 3737204 : fac200(lay) = fk2*fac00(lay)
856 3737204 : fac010(lay) = fk0*fac10(lay)
857 3737204 : fac110(lay) = fk1*fac10(lay)
858 3737204 : fac210(lay) = fk2*fac10(lay)
859 19540244 : else if (specparm(lay) .gt. 0.875_r8) then
860 31557 : p = -fs(lay)
861 31557 : p4 = p**4
862 31557 : fk0 = p4
863 31557 : fk1 = 1 - p - 2.0_r8*p4
864 31557 : fk2 = p + p4
865 31557 : fac000(lay) = fk0*fac00(lay)
866 31557 : fac100(lay) = fk1*fac00(lay)
867 31557 : fac200(lay) = fk2*fac00(lay)
868 31557 : fac010(lay) = fk0*fac10(lay)
869 31557 : fac110(lay) = fk1*fac10(lay)
870 31557 : fac210(lay) = fk2*fac10(lay)
871 : else
872 19508687 : fac000(lay) = (1._r8 - fs(lay)) * fac00(lay)
873 19508687 : fac010(lay) = (1._r8 - fs(lay)) * fac10(lay)
874 19508687 : fac100(lay) = fs(lay) * fac00(lay)
875 19508687 : fac110(lay) = fs(lay) * fac10(lay)
876 : endif
877 :
878 23763448 : if (specparm1(lay) .lt. 0.125_r8) then
879 1487462 : p = fs1(lay) - 1
880 1487462 : p4 = p**4
881 1487462 : fk0 = p4
882 1487462 : fk1 = 1 - p - 2.0_r8*p4
883 1487462 : fk2 = p + p4
884 1487462 : fac001(lay) = fk0*fac01(lay)
885 1487462 : fac101(lay) = fk1*fac01(lay)
886 1487462 : fac201(lay) = fk2*fac01(lay)
887 1487462 : fac011(lay) = fk0*fac11(lay)
888 1487462 : fac111(lay) = fk1*fac11(lay)
889 1487462 : fac211(lay) = fk2*fac11(lay)
890 21789986 : else if (specparm1(lay) .gt. 0.875_r8) then
891 675028 : p = -fs1(lay)
892 675028 : p4 = p**4
893 675028 : fk0 = p4
894 675028 : fk1 = 1 - p - 2.0_r8*p4
895 675028 : fk2 = p + p4
896 675028 : fac001(lay) = fk0*fac01(lay)
897 675028 : fac101(lay) = fk1*fac01(lay)
898 675028 : fac201(lay) = fk2*fac01(lay)
899 675028 : fac011(lay) = fk0*fac11(lay)
900 675028 : fac111(lay) = fk1*fac11(lay)
901 675028 : fac211(lay) = fk2*fac11(lay)
902 : else
903 21114958 : fac001(lay) = (1._r8 - fs1(lay)) * fac01(lay)
904 21114958 : fac011(lay) = (1._r8 - fs1(lay)) * fac11(lay)
905 21114958 : fac101(lay) = fs1(lay) * fac01(lay)
906 21114958 : fac111(lay) = fs1(lay) * fac11(lay)
907 : endif
908 : enddo
909 23763448 : do lay = 1, laytrop
910 :
911 349647720 : do ig = 1, ng4
912 977652816 : tauself = selffac(lay)* (selfref(indself(lay),ig) + selffrac(lay) * &
913 1303537088 : (selfref(indself(lay)+1,ig) - selfref(indself(lay),ig)))
914 651768544 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
915 651768544 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
916 :
917 325884272 : if (specparm(lay) .lt. 0.125_r8) then
918 : tau_major = speccomb(lay) * &
919 52320856 : (fac000(lay) * absa(ind0(lay),ig) + &
920 52320856 : fac100(lay) * absa(ind0(lay)+1,ig) + &
921 52320856 : fac200(lay) * absa(ind0(lay)+2,ig) + &
922 52320856 : fac010(lay) * absa(ind0(lay)+9,ig) + &
923 52320856 : fac110(lay) * absa(ind0(lay)+10,ig) + &
924 313925136 : fac210(lay) * absa(ind0(lay)+11,ig))
925 273563416 : else if (specparm(lay) .gt. 0.875_r8) then
926 : tau_major = speccomb(lay) * &
927 441798 : (fac200(lay) * absa(ind0(lay)-1,ig) + &
928 441798 : fac100(lay) * absa(ind0(lay),ig) + &
929 441798 : fac000(lay) * absa(ind0(lay)+1,ig) + &
930 441798 : fac210(lay) * absa(ind0(lay)+8,ig) + &
931 441798 : fac110(lay) * absa(ind0(lay)+9,ig) + &
932 2650788 : fac010(lay) * absa(ind0(lay)+10,ig))
933 : else
934 : tau_major = speccomb(lay) * &
935 273121618 : (fac000(lay) * absa(ind0(lay),ig) + &
936 273121618 : fac100(lay) * absa(ind0(lay)+1,ig) + &
937 273121618 : fac010(lay) * absa(ind0(lay)+9,ig) + &
938 1092486472 : fac110(lay) * absa(ind0(lay)+10,ig))
939 : endif
940 :
941 325884272 : if (specparm1(lay) .lt. 0.125_r8) then
942 : tau_major1 = speccomb1(lay) * &
943 20824468 : (fac001(lay) * absa(ind1(lay),ig) + &
944 20824468 : fac101(lay) * absa(ind1(lay)+1,ig) + &
945 20824468 : fac201(lay) * absa(ind1(lay)+2,ig) + &
946 20824468 : fac011(lay) * absa(ind1(lay)+9,ig) + &
947 20824468 : fac111(lay) * absa(ind1(lay)+10,ig) + &
948 124946808 : fac211(lay) * absa(ind1(lay)+11,ig))
949 305059804 : else if (specparm1(lay) .gt. 0.875_r8) then
950 : tau_major1 = speccomb1(lay) * &
951 9450392 : (fac201(lay) * absa(ind1(lay)-1,ig) + &
952 9450392 : fac101(lay) * absa(ind1(lay),ig) + &
953 9450392 : fac001(lay) * absa(ind1(lay)+1,ig) + &
954 9450392 : fac211(lay) * absa(ind1(lay)+8,ig) + &
955 9450392 : fac111(lay) * absa(ind1(lay)+9,ig) + &
956 56702352 : fac011(lay) * absa(ind1(lay)+10,ig))
957 : else
958 : tau_major1 = speccomb1(lay) * &
959 295609412 : (fac001(lay) * absa(ind1(lay),ig) + &
960 295609412 : fac101(lay) * absa(ind1(lay)+1,ig) + &
961 295609412 : fac011(lay) * absa(ind1(lay)+9,ig) + &
962 1182437648 : fac111(lay) * absa(ind1(lay)+10,ig))
963 : endif
964 :
965 325884272 : taug(lay,ngs3+ig) = tau_major + tau_major1 &
966 325884272 : + tauself + taufor
967 651768544 : fracs(lay,ngs3+ig) = fracrefa(ig,jpl(lay)) + fpl(lay) * &
968 675045992 : (fracrefa(ig,jpl(lay)+1)-fracrefa(ig,jpl(lay)))
969 : enddo
970 : enddo
971 :
972 : ! Upper atmosphere loop
973 22406552 : do lay = laytrop+1, nlayers
974 :
975 21920552 : speccomb(lay) = colo3(lay) + rat_o3co2(lay)*colco2(lay)
976 21920552 : specparm(lay) = colo3(lay)/speccomb(lay)
977 21920552 : if (specparm(lay) .ge. oneminus) specparm(lay) = oneminus
978 21920552 : specmult(lay) = 4._r8*(specparm(lay))
979 21920552 : js(lay) = 1 + int(specmult(lay))
980 21920552 : fs(lay) = mod(specmult(lay),1.0_r8)
981 :
982 21920552 : speccomb1(lay) = colo3(lay) + rat_o3co2_1(lay)*colco2(lay)
983 21920552 : specparm1(lay) = colo3(lay)/speccomb1(lay)
984 21920552 : if (specparm1(lay) .ge. oneminus) specparm1(lay) = oneminus
985 21920552 : specmult1(lay) = 4._r8*(specparm1(lay))
986 21920552 : js1(lay) = 1 + int(specmult1(lay))
987 21920552 : fs1(lay) = mod(specmult1(lay),1.0_r8)
988 :
989 21920552 : fac000(lay) = (1._r8 - fs(lay)) * fac00(lay)
990 21920552 : fac010(lay) = (1._r8 - fs(lay)) * fac10(lay)
991 21920552 : fac100(lay) = fs(lay) * fac00(lay)
992 21920552 : fac110(lay) = fs(lay) * fac10(lay)
993 21920552 : fac001(lay) = (1._r8 - fs1(lay)) * fac01(lay)
994 21920552 : fac011(lay) = (1._r8 - fs1(lay)) * fac11(lay)
995 21920552 : fac101(lay) = fs1(lay) * fac01(lay)
996 21920552 : fac111(lay) = fs1(lay) * fac11(lay)
997 :
998 21920552 : speccomb_planck(lay) = colo3(lay)+refrat_planck_b*colco2(lay)
999 21920552 : specparm_planck(lay) = colo3(lay)/speccomb_planck(lay)
1000 21920552 : if (specparm_planck(lay) .ge. oneminus) specparm_planck(lay)=oneminus
1001 21920552 : specmult_planck(lay) = 4._r8*specparm_planck(lay)
1002 21920552 : jpl(lay)= 1 + int(specmult_planck(lay))
1003 21920552 : fpl(lay) = mod(specmult_planck(lay),1.0_r8)
1004 :
1005 21920552 : ind0(lay) = ((jp(lay)-13)*5+(jt(lay)-1))*nspb(4) + js(lay)
1006 21920552 : ind1(lay) = ((jp(lay)-12)*5+(jt1(lay)-1))*nspb(4) + js1(lay)
1007 328808280 : do ig = 1, ng4
1008 306887728 : taug(lay,ngs3+ig) = speccomb(lay) * &
1009 613775456 : (fac000(lay) * absb(ind0(lay),ig) + &
1010 306887728 : fac100(lay) * absb(ind0(lay)+1,ig) + &
1011 306887728 : fac010(lay) * absb(ind0(lay)+5,ig) + &
1012 306887728 : fac110(lay) * absb(ind0(lay)+6,ig)) &
1013 : + speccomb1(lay) * &
1014 306887728 : (fac001(lay) * absb(ind1(lay),ig) + &
1015 306887728 : fac101(lay) * absb(ind1(lay)+1,ig) + &
1016 306887728 : fac011(lay) * absb(ind1(lay)+5,ig) + &
1017 3068877280 : fac111(lay) * absb(ind1(lay)+6,ig))
1018 613775456 : fracs(lay,ngs3+ig) = fracrefb(ig,jpl(lay)) + fpl(lay) * &
1019 635696008 : (fracrefb(ig,jpl(lay)+1)-fracrefb(ig,jpl(lay)))
1020 : enddo
1021 :
1022 : ! Empirical modification to code to improve stratospheric cooling rates
1023 : ! for co2. Revised to apply weighting for g-point reduction in this band.
1024 :
1025 21920552 : taug(lay,ngs3+8)=taug(lay,ngs3+8)*0.92
1026 21920552 : taug(lay,ngs3+9)=taug(lay,ngs3+9)*0.88
1027 21920552 : taug(lay,ngs3+10)=taug(lay,ngs3+10)*1.07
1028 21920552 : taug(lay,ngs3+11)=taug(lay,ngs3+11)*1.1
1029 21920552 : taug(lay,ngs3+12)=taug(lay,ngs3+12)*0.99
1030 21920552 : taug(lay,ngs3+13)=taug(lay,ngs3+13)*0.88
1031 22406552 : taug(lay,ngs3+14)=taug(lay,ngs3+14)*0.943
1032 :
1033 : enddo
1034 :
1035 486000 : end subroutine taugb4
1036 :
1037 : !----------------------------------------------------------------------------
1038 486000 : subroutine taugb5
1039 : !----------------------------------------------------------------------------
1040 : !
1041 : ! band 5: 700-820 cm-1 (low key - h2o,co2; low minor - o3, ccl4)
1042 : ! (high key - o3,co2)
1043 : !----------------------------------------------------------------------------
1044 :
1045 : ! ------- Modules -------
1046 :
1047 : use parrrtm, only : ng5, ngs4
1048 : use rrlw_ref, only : chi_mls
1049 : use rrlw_kg05, only : fracrefa, fracrefb, absa, absb, &
1050 : ka_mo3, selfref, forref, ccl4
1051 :
1052 : ! ------- Declarations -------
1053 :
1054 : ! Local
1055 972000 : integer :: lay, ind0(nlayers), ind1(nlayers), ig
1056 972000 : integer, dimension(nlayers) :: js, js1, jmo3, jpl
1057 972000 : real(kind=r8), dimension(nlayers) :: speccomb, specparm, specmult, fs
1058 972000 : real(kind=r8), dimension(nlayers) :: speccomb1, specparm1, specmult1, fs1
1059 972000 : real(kind=r8), dimension(nlayers) :: speccomb_mo3, specparm_mo3, specmult_mo3, fmo3
1060 972000 : real(kind=r8), dimension(nlayers) :: speccomb_planck, specparm_planck, specmult_planck, fpl
1061 : real(kind=r8) :: p, p4, fk0, fk1, fk2
1062 972000 : real(kind=r8), dimension(nlayers) :: fac000, fac100, fac200, fac010, fac110, fac210
1063 972000 : real(kind=r8), dimension(nlayers) :: fac001, fac101, fac201, fac011, fac111, fac211
1064 : real(kind=r8) :: tauself, taufor, o3m1, o3m2, abso3
1065 : real(kind=r8) :: refrat_planck_a, refrat_planck_b, refrat_m_a
1066 : real(kind=r8) :: tau_major, tau_major1
1067 :
1068 :
1069 : ! Minor gas mapping level :
1070 : ! lower - o3, p = 317.34 mbar, t = 240.77 k
1071 : ! lower - ccl4
1072 :
1073 : ! Calculate reference ratio to be used in calculation of Planck
1074 : ! fraction in lower/upper atmosphere.
1075 :
1076 : ! P = 473.420 mb
1077 486000 : refrat_planck_a = chi_mls(1,5)/chi_mls(2,5)
1078 :
1079 : ! P = 0.2369 mb
1080 486000 : refrat_planck_b = chi_mls(3,43)/chi_mls(2,43)
1081 :
1082 : ! P = 317.3480
1083 486000 : refrat_m_a = chi_mls(1,7)/chi_mls(2,7)
1084 :
1085 : ! Compute the optical depth by interpolating in ln(pressure) and
1086 : ! temperature, and appropriate species. Below laytrop, the
1087 : ! water vapor self-continuum and foreign continuum is
1088 : ! interpolated (in temperature) separately.
1089 :
1090 : ! Lower atmosphere loop
1091 23763448 : do lay = 1, laytrop
1092 :
1093 23277448 : speccomb(lay) = colh2o(lay) + rat_h2oco2(lay)*colco2(lay)
1094 23277448 : specparm(lay) = colh2o(lay)/speccomb(lay)
1095 23277448 : if (specparm(lay) .ge. oneminus) specparm(lay) = oneminus
1096 23277448 : specmult(lay) = 8._r8*(specparm(lay))
1097 23277448 : js(lay) = 1 + int(specmult(lay))
1098 23277448 : fs(lay) = mod(specmult(lay),1.0_r8)
1099 :
1100 23277448 : speccomb1(lay) = colh2o(lay) + rat_h2oco2_1(lay)*colco2(lay)
1101 23277448 : specparm1(lay) = colh2o(lay)/speccomb1(lay)
1102 23277448 : if (specparm1(lay) .ge. oneminus) specparm1(lay) = oneminus
1103 23277448 : specmult1(lay) = 8._r8*(specparm1(lay))
1104 23277448 : js1(lay) = 1 + int(specmult1(lay))
1105 23277448 : fs1(lay) = mod(specmult1(lay),1.0_r8)
1106 :
1107 23277448 : speccomb_mo3(lay) = colh2o(lay) + refrat_m_a*colco2(lay)
1108 23277448 : specparm_mo3(lay) = colh2o(lay)/speccomb_mo3(lay)
1109 23277448 : if (specparm_mo3(lay) .ge. oneminus) specparm_mo3(lay) = oneminus
1110 23277448 : specmult_mo3(lay) = 8._r8*specparm_mo3(lay)
1111 23277448 : jmo3(lay) = 1 + int(specmult_mo3(lay))
1112 23277448 : fmo3(lay) = mod(specmult_mo3(lay),1.0_r8)
1113 :
1114 23277448 : speccomb_planck(lay) = colh2o(lay)+refrat_planck_a*colco2(lay)
1115 23277448 : specparm_planck(lay) = colh2o(lay)/speccomb_planck(lay)
1116 23277448 : if (specparm_planck(lay) .ge. oneminus) specparm_planck(lay)=oneminus
1117 23277448 : specmult_planck(lay) = 8._r8*specparm_planck(lay)
1118 23277448 : jpl(lay)= 1 + int(specmult_planck(lay))
1119 23277448 : fpl(lay) = mod(specmult_planck(lay),1.0_r8)
1120 :
1121 23277448 : ind0(lay) = ((jp(lay)-1)*5+(jt(lay)-1))*nspa(5) + js(lay)
1122 23763448 : ind1(lay) = (jp(lay)*5+(jt1(lay)-1))*nspa(5) + js1(lay)
1123 : enddo
1124 23763448 : do lay = 1, laytrop
1125 23277448 : if (specparm(lay) .lt. 0.125_r8) then
1126 3737204 : p = fs(lay) - 1
1127 3737204 : p4 = p**4
1128 3737204 : fk0 = p4
1129 3737204 : fk1 = 1 - p - 2.0_r8*p4
1130 3737204 : fk2 = p + p4
1131 3737204 : fac000(lay) = fk0*fac00(lay)
1132 3737204 : fac100(lay) = fk1*fac00(lay)
1133 3737204 : fac200(lay) = fk2*fac00(lay)
1134 3737204 : fac010(lay) = fk0*fac10(lay)
1135 3737204 : fac110(lay) = fk1*fac10(lay)
1136 3737204 : fac210(lay) = fk2*fac10(lay)
1137 19540244 : else if (specparm(lay) .gt. 0.875_r8) then
1138 31557 : p = -fs(lay)
1139 31557 : p4 = p**4
1140 31557 : fk0 = p4
1141 31557 : fk1 = 1 - p - 2.0_r8*p4
1142 31557 : fk2 = p + p4
1143 31557 : fac000(lay) = fk0*fac00(lay)
1144 31557 : fac100(lay) = fk1*fac00(lay)
1145 31557 : fac200(lay) = fk2*fac00(lay)
1146 31557 : fac010(lay) = fk0*fac10(lay)
1147 31557 : fac110(lay) = fk1*fac10(lay)
1148 31557 : fac210(lay) = fk2*fac10(lay)
1149 : else
1150 19508687 : fac000(lay) = (1._r8 - fs(lay)) * fac00(lay)
1151 19508687 : fac010(lay) = (1._r8 - fs(lay)) * fac10(lay)
1152 19508687 : fac100(lay) = fs(lay) * fac00(lay)
1153 19508687 : fac110(lay) = fs(lay) * fac10(lay)
1154 : endif
1155 :
1156 23763448 : if (specparm1(lay) .lt. 0.125_r8) then
1157 1487462 : p = fs1(lay) - 1
1158 1487462 : p4 = p**4
1159 1487462 : fk0 = p4
1160 1487462 : fk1 = 1 - p - 2.0_r8*p4
1161 1487462 : fk2 = p + p4
1162 1487462 : fac001(lay) = fk0*fac01(lay)
1163 1487462 : fac101(lay) = fk1*fac01(lay)
1164 1487462 : fac201(lay) = fk2*fac01(lay)
1165 1487462 : fac011(lay) = fk0*fac11(lay)
1166 1487462 : fac111(lay) = fk1*fac11(lay)
1167 1487462 : fac211(lay) = fk2*fac11(lay)
1168 21789986 : else if (specparm1(lay) .gt. 0.875_r8) then
1169 675028 : p = -fs1(lay)
1170 675028 : p4 = p**4
1171 675028 : fk0 = p4
1172 675028 : fk1 = 1 - p - 2.0_r8*p4
1173 675028 : fk2 = p + p4
1174 675028 : fac001(lay) = fk0*fac01(lay)
1175 675028 : fac101(lay) = fk1*fac01(lay)
1176 675028 : fac201(lay) = fk2*fac01(lay)
1177 675028 : fac011(lay) = fk0*fac11(lay)
1178 675028 : fac111(lay) = fk1*fac11(lay)
1179 675028 : fac211(lay) = fk2*fac11(lay)
1180 : else
1181 21114958 : fac001(lay) = (1._r8 - fs1(lay)) * fac01(lay)
1182 21114958 : fac011(lay) = (1._r8 - fs1(lay)) * fac11(lay)
1183 21114958 : fac101(lay) = fs1(lay) * fac01(lay)
1184 21114958 : fac111(lay) = fs1(lay) * fac11(lay)
1185 : endif
1186 : enddo
1187 23763448 : do lay = 1, laytrop
1188 :
1189 396202616 : do ig = 1, ng5
1190 1117317504 : tauself = selffac(lay) * (selfref(indself(lay),ig) + selffrac(lay) * &
1191 1489756672 : (selfref(indself(lay)+1,ig) - selfref(indself(lay),ig)))
1192 744878336 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
1193 744878336 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
1194 1117317504 : o3m1 = ka_mo3(jmo3(lay),indminor(lay),ig) + fmo3(lay) * &
1195 1117317504 : (ka_mo3(jmo3(lay)+1,indminor(lay),ig)-ka_mo3(jmo3(lay),indminor(lay),ig))
1196 372439168 : o3m2 = ka_mo3(jmo3(lay),indminor(lay)+1,ig) + fmo3(lay) * &
1197 372439168 : (ka_mo3(jmo3(lay)+1,indminor(lay)+1,ig)-ka_mo3(jmo3(lay),indminor(lay)+1,ig))
1198 372439168 : abso3 = o3m1 + minorfrac(lay)*(o3m2-o3m1)
1199 :
1200 372439168 : if (specparm(lay) .lt. 0.125_r8) then
1201 : tau_major = speccomb(lay) * &
1202 59795264 : (fac000(lay) * absa(ind0(lay),ig) + &
1203 59795264 : fac100(lay) * absa(ind0(lay)+1,ig) + &
1204 59795264 : fac200(lay) * absa(ind0(lay)+2,ig) + &
1205 59795264 : fac010(lay) * absa(ind0(lay)+9,ig) + &
1206 59795264 : fac110(lay) * absa(ind0(lay)+10,ig) + &
1207 358771584 : fac210(lay) * absa(ind0(lay)+11,ig))
1208 312643904 : else if (specparm(lay) .gt. 0.875_r8) then
1209 : tau_major = speccomb(lay) * &
1210 504912 : (fac200(lay) * absa(ind0(lay)-1,ig) + &
1211 504912 : fac100(lay) * absa(ind0(lay),ig) + &
1212 504912 : fac000(lay) * absa(ind0(lay)+1,ig) + &
1213 504912 : fac210(lay) * absa(ind0(lay)+8,ig) + &
1214 504912 : fac110(lay) * absa(ind0(lay)+9,ig) + &
1215 3029472 : fac010(lay) * absa(ind0(lay)+10,ig))
1216 : else
1217 : tau_major = speccomb(lay) * &
1218 312138992 : (fac000(lay) * absa(ind0(lay),ig) + &
1219 312138992 : fac100(lay) * absa(ind0(lay)+1,ig) + &
1220 312138992 : fac010(lay) * absa(ind0(lay)+9,ig) + &
1221 1248555968 : fac110(lay) * absa(ind0(lay)+10,ig))
1222 : endif
1223 :
1224 372439168 : if (specparm1(lay) .lt. 0.125_r8) then
1225 : tau_major1 = speccomb1(lay) * &
1226 23799392 : (fac001(lay) * absa(ind1(lay),ig) + &
1227 23799392 : fac101(lay) * absa(ind1(lay)+1,ig) + &
1228 23799392 : fac201(lay) * absa(ind1(lay)+2,ig) + &
1229 23799392 : fac011(lay) * absa(ind1(lay)+9,ig) + &
1230 23799392 : fac111(lay) * absa(ind1(lay)+10,ig) + &
1231 142796352 : fac211(lay) * absa(ind1(lay)+11,ig))
1232 348639776 : else if (specparm1(lay) .gt. 0.875_r8) then
1233 : tau_major1 = speccomb1(lay) * &
1234 10800448 : (fac201(lay) * absa(ind1(lay)-1,ig) + &
1235 10800448 : fac101(lay) * absa(ind1(lay),ig) + &
1236 10800448 : fac001(lay) * absa(ind1(lay)+1,ig) + &
1237 10800448 : fac211(lay) * absa(ind1(lay)+8,ig) + &
1238 10800448 : fac111(lay) * absa(ind1(lay)+9,ig) + &
1239 64802688 : fac011(lay) * absa(ind1(lay)+10,ig))
1240 : else
1241 : tau_major1 = speccomb1(lay) * &
1242 337839328 : (fac001(lay) * absa(ind1(lay),ig) + &
1243 337839328 : fac101(lay) * absa(ind1(lay)+1,ig) + &
1244 337839328 : fac011(lay) * absa(ind1(lay)+9,ig) + &
1245 1351357312 : fac111(lay) * absa(ind1(lay)+10,ig))
1246 : endif
1247 :
1248 372439168 : taug(lay,ngs4+ig) = tau_major + tau_major1 &
1249 : + tauself + taufor &
1250 372439168 : + abso3*colo3(lay) &
1251 744878336 : + wx(1,lay) * ccl4(ig)
1252 744878336 : fracs(lay,ngs4+ig) = fracrefa(ig,jpl(lay)) + fpl(lay) * &
1253 768155784 : (fracrefa(ig,jpl(lay)+1)-fracrefa(ig,jpl(lay)))
1254 : enddo
1255 : enddo
1256 :
1257 : ! Upper atmosphere loop
1258 22406552 : do lay = laytrop+1, nlayers
1259 :
1260 21920552 : speccomb(lay) = colo3(lay) + rat_o3co2(lay)*colco2(lay)
1261 21920552 : specparm(lay) = colo3(lay)/speccomb(lay)
1262 21920552 : if (specparm(lay) .ge. oneminus) specparm(lay) = oneminus
1263 21920552 : specmult(lay) = 4._r8*(specparm(lay))
1264 21920552 : js(lay) = 1 + int(specmult(lay))
1265 21920552 : fs(lay) = mod(specmult(lay),1.0_r8)
1266 :
1267 21920552 : speccomb1(lay) = colo3(lay) + rat_o3co2_1(lay)*colco2(lay)
1268 21920552 : specparm1(lay) = colo3(lay)/speccomb1(lay)
1269 21920552 : if (specparm1(lay) .ge. oneminus) specparm1(lay) = oneminus
1270 21920552 : specmult1(lay) = 4._r8*(specparm1(lay))
1271 21920552 : js1(lay) = 1 + int(specmult1(lay))
1272 21920552 : fs1(lay) = mod(specmult1(lay),1.0_r8)
1273 :
1274 21920552 : fac000(lay) = (1._r8 - fs(lay)) * fac00(lay)
1275 21920552 : fac010(lay) = (1._r8 - fs(lay)) * fac10(lay)
1276 21920552 : fac100(lay) = fs(lay) * fac00(lay)
1277 21920552 : fac110(lay) = fs(lay) * fac10(lay)
1278 21920552 : fac001(lay) = (1._r8 - fs1(lay)) * fac01(lay)
1279 21920552 : fac011(lay) = (1._r8 - fs1(lay)) * fac11(lay)
1280 21920552 : fac101(lay) = fs1(lay) * fac01(lay)
1281 21920552 : fac111(lay) = fs1(lay) * fac11(lay)
1282 :
1283 21920552 : speccomb_planck(lay) = colo3(lay)+refrat_planck_b*colco2(lay)
1284 21920552 : specparm_planck(lay) = colo3(lay)/speccomb_planck(lay)
1285 21920552 : if (specparm_planck(lay) .ge. oneminus) specparm_planck(lay)=oneminus
1286 21920552 : specmult_planck(lay) = 4._r8*specparm_planck(lay)
1287 21920552 : jpl(lay)= 1 + int(specmult_planck(lay))
1288 21920552 : fpl(lay) = mod(specmult_planck(lay),1.0_r8)
1289 :
1290 21920552 : ind0(lay) = ((jp(lay)-13)*5+(jt(lay)-1))*nspb(5) + js(lay)
1291 22406552 : ind1(lay) = ((jp(lay)-12)*5+(jt1(lay)-1))*nspb(5) + js1(lay)
1292 : enddo
1293 22406552 : do lay = laytrop+1, nlayers
1294 373135384 : do ig = 1, ng5
1295 701457664 : taug(lay,ngs4+ig) = speccomb(lay) * &
1296 701457664 : (fac000(lay) * absb(ind0(lay),ig) + &
1297 350728832 : fac100(lay) * absb(ind0(lay)+1,ig) + &
1298 350728832 : fac010(lay) * absb(ind0(lay)+5,ig) + &
1299 350728832 : fac110(lay) * absb(ind0(lay)+6,ig)) &
1300 : + speccomb1(lay) * &
1301 350728832 : (fac001(lay) * absb(ind1(lay),ig) + &
1302 350728832 : fac101(lay) * absb(ind1(lay)+1,ig) + &
1303 350728832 : fac011(lay) * absb(ind1(lay)+5,ig) + &
1304 350728832 : fac111(lay) * absb(ind1(lay)+6,ig)) &
1305 4208745984 : + wx(1,lay) * ccl4(ig)
1306 701457664 : fracs(lay,ngs4+ig) = fracrefb(ig,jpl(lay)) + fpl(lay) * &
1307 723378216 : (fracrefb(ig,jpl(lay)+1)-fracrefb(ig,jpl(lay)))
1308 : enddo
1309 : enddo
1310 :
1311 486000 : end subroutine taugb5
1312 :
1313 : !----------------------------------------------------------------------------
1314 486000 : subroutine taugb6
1315 : !----------------------------------------------------------------------------
1316 : !
1317 : ! band 6: 820-980 cm-1 (low key - h2o; low minor - co2)
1318 : ! (high key - nothing; high minor - cfc11, cfc12)
1319 : !----------------------------------------------------------------------------
1320 :
1321 : ! ------- Modules -------
1322 :
1323 : use parrrtm, only : ng6, ngs5
1324 : use rrlw_ref, only : chi_mls
1325 : use rrlw_kg06, only : fracrefa, absa, ka_mco2, &
1326 : selfref, forref, cfc11adj, cfc12
1327 :
1328 : ! ------- Declarations -------
1329 :
1330 : ! Local
1331 972000 : integer :: lay, ind0(nlayers), ind1(nlayers), ig
1332 972000 : real(kind=r8), dimension(nlayers) :: chi_co2, ratco2, adjfac, adjcolco2
1333 : real(kind=r8) :: tauself, taufor, absco2
1334 :
1335 :
1336 : ! Minor gas mapping level:
1337 : ! lower - co2, p = 706.2720 mb, t = 294.2 k
1338 : ! upper - cfc11, cfc12
1339 :
1340 : ! Compute the optical depth by interpolating in ln(pressure) and
1341 : ! temperature. The water vapor self-continuum and foreign continuum
1342 : ! is interpolated (in temperature) separately.
1343 :
1344 : ! Lower atmosphere loop
1345 23763448 : do lay = 1, laytrop
1346 :
1347 : ! In atmospheres where the amount of CO2 is too great to be considered
1348 : ! a minor species, adjust the column amount of CO2 by an empirical factor
1349 : ! to obtain the proper contribution.
1350 23277448 : chi_co2(lay) = colco2(lay)/(coldry(lay))
1351 23763448 : ratco2(lay) = 1.e20_r8*chi_co2(lay)/chi_mls(2,jp(lay)+1)
1352 : enddo
1353 23763448 : do lay = 1, laytrop
1354 23763448 : if (ratco2(lay) .gt. 3.0_r8) then
1355 0 : adjfac(lay) = 2.0_r8+(ratco2(lay)-2.0_r8)**0.77_r8
1356 0 : adjcolco2(lay) = adjfac(lay)*chi_mls(2,jp(lay)+1)*coldry(lay)*1.e-20_r8
1357 : else
1358 23277448 : adjcolco2(lay) = colco2(lay)
1359 : endif
1360 : enddo
1361 23763448 : do lay = 1, laytrop
1362 :
1363 23277448 : ind0(lay) = ((jp(lay)-1)*5+(jt(lay)-1))*nspa(6) + 1
1364 23763448 : ind1(lay) = (jp(lay)*5+(jt1(lay)-1))*nspa(6) + 1
1365 : enddo
1366 23763448 : do lay = 1, laytrop
1367 :
1368 209983032 : do ig = 1, ng6
1369 558658752 : tauself = selffac(lay) * (selfref(indself(lay),ig) + selffrac(lay) * &
1370 744878336 : (selfref(indself(lay)+1,ig) - selfref(indself(lay),ig)))
1371 372439168 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
1372 372439168 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
1373 372439168 : absco2 = (ka_mco2(indminor(lay),ig) + minorfrac(lay) * &
1374 372439168 : (ka_mco2(indminor(lay)+1,ig) - ka_mco2(indminor(lay),ig)))
1375 186219584 : taug(lay,ngs5+ig) = colh2o(lay) * &
1376 372439168 : (fac00(lay) * absa(ind0(lay),ig) + &
1377 372439168 : fac10(lay) * absa(ind0(lay)+1,ig) + &
1378 372439168 : fac01(lay) * absa(ind1(lay),ig) + &
1379 372439168 : fac11(lay) * absa(ind1(lay)+1,ig)) &
1380 : + tauself + taufor &
1381 : + adjcolco2(lay) * absco2 &
1382 186219584 : + wx(2,lay) * cfc11adj(ig) &
1383 931097920 : + wx(3,lay) * cfc12(ig)
1384 209497032 : fracs(lay,ngs5+ig) = fracrefa(ig)
1385 : enddo
1386 : enddo
1387 :
1388 : ! Upper atmosphere loop
1389 : ! Nothing important goes on above laytrop in this band.
1390 22406552 : do lay = laytrop+1, nlayers
1391 :
1392 197770968 : do ig = 1, ng6
1393 350728832 : taug(lay,ngs5+ig) = 0.0_r8 &
1394 350728832 : + wx(2,lay) * cfc11adj(ig) &
1395 526093248 : + wx(3,lay) * cfc12(ig)
1396 197284968 : fracs(lay,ngs5+ig) = fracrefa(ig)
1397 : enddo
1398 : enddo
1399 :
1400 486000 : end subroutine taugb6
1401 :
1402 : !----------------------------------------------------------------------------
1403 486000 : subroutine taugb7
1404 : !----------------------------------------------------------------------------
1405 : !
1406 : ! band 7: 980-1080 cm-1 (low key - h2o,o3; low minor - co2)
1407 : ! (high key - o3; high minor - co2)
1408 : !----------------------------------------------------------------------------
1409 :
1410 : ! ------- Modules -------
1411 :
1412 : use parrrtm, only : ng7, ngs6
1413 : use rrlw_ref, only : chi_mls
1414 : use rrlw_kg07, only : fracrefa, fracrefb, absa, absb, &
1415 : ka_mco2, kb_mco2, selfref, forref
1416 :
1417 : ! ------- Declarations -------
1418 :
1419 : ! Local
1420 972000 : integer :: lay, ind0(nlayers), ind1(nlayers), ig
1421 972000 : integer, dimension(nlayers) :: js, js1, jmco2, jpl
1422 972000 : real(kind=r8), dimension(nlayers) :: speccomb, specparm, specmult, fs
1423 972000 : real(kind=r8), dimension(nlayers) :: speccomb1, specparm1, specmult1, fs1
1424 972000 : real(kind=r8), dimension(nlayers) :: speccomb_mco2, specparm_mco2, specmult_mco2, fmco2
1425 972000 : real(kind=r8), dimension(nlayers) :: speccomb_planck, specparm_planck, specmult_planck, fpl
1426 : real(kind=r8) :: p, p4, fk0, fk1, fk2
1427 972000 : real(kind=r8), dimension(nlayers) :: fac000, fac100, fac200, fac010, fac110, fac210
1428 972000 : real(kind=r8), dimension(nlayers) :: fac001, fac101, fac201, fac011, fac111, fac211
1429 : real(kind=r8) :: tauself, taufor, co2m1, co2m2, absco2
1430 972000 : real(kind=r8), dimension(nlayers) :: chi_co2, ratco2, adjfac, adjcolco2
1431 : real(kind=r8) :: refrat_planck_a, refrat_m_a
1432 : real(kind=r8) :: tau_major, tau_major1
1433 :
1434 :
1435 : ! Minor gas mapping level :
1436 : ! lower - co2, p = 706.2620 mbar, t= 278.94 k
1437 : ! upper - co2, p = 12.9350 mbar, t = 234.01 k
1438 :
1439 : ! Calculate reference ratio to be used in calculation of Planck
1440 : ! fraction in lower atmosphere.
1441 :
1442 : ! P = 706.2620 mb
1443 486000 : refrat_planck_a = chi_mls(1,3)/chi_mls(3,3)
1444 :
1445 : ! P = 706.2720 mb
1446 486000 : refrat_m_a = chi_mls(1,3)/chi_mls(3,3)
1447 :
1448 : ! Compute the optical depth by interpolating in ln(pressure),
1449 : ! temperature, and appropriate species. Below laytrop, the water
1450 : ! vapor self-continuum and foreign continuum is interpolated
1451 : ! (in temperature) separately.
1452 :
1453 : ! Lower atmosphere loop
1454 23763448 : do lay = 1, laytrop
1455 :
1456 23277448 : speccomb(lay) = colh2o(lay) + rat_h2oo3(lay)*colo3(lay)
1457 23277448 : specparm(lay) = colh2o(lay)/speccomb(lay)
1458 23277448 : if (specparm(lay) .ge. oneminus) specparm(lay) = oneminus
1459 23277448 : specmult(lay) = 8._r8*(specparm(lay))
1460 23277448 : js(lay) = 1 + int(specmult(lay))
1461 23277448 : fs(lay) = mod(specmult(lay),1.0_r8)
1462 :
1463 23277448 : speccomb1(lay) = colh2o(lay) + rat_h2oo3_1(lay)*colo3(lay)
1464 23277448 : specparm1(lay) = colh2o(lay)/speccomb1(lay)
1465 23277448 : if (specparm1(lay) .ge. oneminus) specparm1(lay) = oneminus
1466 23277448 : specmult1(lay) = 8._r8*(specparm1(lay))
1467 23277448 : js1(lay) = 1 + int(specmult1(lay))
1468 23277448 : fs1(lay) = mod(specmult1(lay),1.0_r8)
1469 :
1470 23277448 : speccomb_mco2(lay) = colh2o(lay) + refrat_m_a*colo3(lay)
1471 23277448 : specparm_mco2(lay) = colh2o(lay)/speccomb_mco2(lay)
1472 23277448 : if (specparm_mco2(lay) .ge. oneminus) specparm_mco2(lay) = oneminus
1473 23277448 : specmult_mco2(lay) = 8._r8*specparm_mco2(lay)
1474 :
1475 23277448 : jmco2(lay) = 1 + int(specmult_mco2(lay))
1476 23277448 : fmco2(lay) = mod(specmult_mco2(lay),1.0_r8)
1477 :
1478 : ! In atmospheres where the amount of CO2 is too great to be considered
1479 : ! a minor species, adjust the column amount of CO2 by an empirical factor
1480 : ! to obtain the proper contribution.
1481 23277448 : chi_co2(lay) = colco2(lay)/(coldry(lay))
1482 23277448 : ratco2(lay) = 1.e20*chi_co2(lay)/chi_mls(2,jp(lay)+1)
1483 23277448 : if (ratco2(lay) .gt. 3.0_r8) then
1484 0 : adjfac(lay) = 3.0_r8+(ratco2(lay)-3.0_r8)**0.79_r8
1485 0 : adjcolco2(lay) = adjfac(lay)*chi_mls(2,jp(lay)+1)*coldry(lay)*1.e-20_r8
1486 : else
1487 23277448 : adjcolco2(lay) = colco2(lay)
1488 : endif
1489 :
1490 23277448 : speccomb_planck(lay) = colh2o(lay)+refrat_planck_a*colo3(lay)
1491 23277448 : specparm_planck(lay) = colh2o(lay)/speccomb_planck(lay)
1492 23277448 : if (specparm_planck(lay) .ge. oneminus) specparm_planck(lay)=oneminus
1493 23277448 : specmult_planck(lay) = 8._r8*specparm_planck(lay)
1494 23277448 : jpl(lay)= 1 + int(specmult_planck(lay))
1495 23277448 : fpl(lay) = mod(specmult_planck(lay),1.0_r8)
1496 :
1497 23277448 : ind0(lay) = ((jp(lay)-1)*5+(jt(lay)-1))*nspa(7) + js(lay)
1498 23277448 : ind1(lay) = (jp(lay)*5+(jt1(lay)-1))*nspa(7) + js1(lay)
1499 :
1500 23277448 : if (specparm(lay) .lt. 0.125_r8) then
1501 3446017 : p = fs(lay) - 1
1502 3446017 : p4 = p**4
1503 3446017 : fk0 = p4
1504 3446017 : fk1 = 1 - p - 2.0_r8*p4
1505 3446017 : fk2 = p + p4
1506 3446017 : fac000(lay) = fk0*fac00(lay)
1507 3446017 : fac100(lay) = fk1*fac00(lay)
1508 3446017 : fac200(lay) = fk2*fac00(lay)
1509 3446017 : fac010(lay) = fk0*fac10(lay)
1510 3446017 : fac110(lay) = fk1*fac10(lay)
1511 3446017 : fac210(lay) = fk2*fac10(lay)
1512 19831431 : else if (specparm(lay) .gt. 0.875_r8) then
1513 1893189 : p = -fs(lay)
1514 1893189 : p4 = p**4
1515 1893189 : fk0 = p4
1516 1893189 : fk1 = 1 - p - 2.0_r8*p4
1517 1893189 : fk2 = p + p4
1518 1893189 : fac000(lay) = fk0*fac00(lay)
1519 1893189 : fac100(lay) = fk1*fac00(lay)
1520 1893189 : fac200(lay) = fk2*fac00(lay)
1521 1893189 : fac010(lay) = fk0*fac10(lay)
1522 1893189 : fac110(lay) = fk1*fac10(lay)
1523 1893189 : fac210(lay) = fk2*fac10(lay)
1524 : else
1525 17938242 : fac000(lay) = (1._r8 - fs(lay)) * fac00(lay)
1526 17938242 : fac010(lay) = (1._r8 - fs(lay)) * fac10(lay)
1527 17938242 : fac100(lay) = fs(lay) * fac00(lay)
1528 17938242 : fac110(lay) = fs(lay) * fac10(lay)
1529 : endif
1530 23277448 : if (specparm(lay) .lt. 0.125_r8) then
1531 3446017 : p = fs1(lay) - 1
1532 3446017 : p4 = p**4
1533 3446017 : fk0 = p4
1534 3446017 : fk1 = 1 - p - 2.0_r8*p4
1535 3446017 : fk2 = p + p4
1536 3446017 : fac001(lay) = fk0*fac01(lay)
1537 3446017 : fac101(lay) = fk1*fac01(lay)
1538 3446017 : fac201(lay) = fk2*fac01(lay)
1539 3446017 : fac011(lay) = fk0*fac11(lay)
1540 3446017 : fac111(lay) = fk1*fac11(lay)
1541 3446017 : fac211(lay) = fk2*fac11(lay)
1542 19831431 : else if (specparm1(lay) .gt. 0.875_r8) then
1543 4063738 : p = -fs1(lay)
1544 4063738 : p4 = p**4
1545 4063738 : fk0 = p4
1546 4063738 : fk1 = 1 - p - 2.0_r8*p4
1547 4063738 : fk2 = p + p4
1548 4063738 : fac001(lay) = fk0*fac01(lay)
1549 4063738 : fac101(lay) = fk1*fac01(lay)
1550 4063738 : fac201(lay) = fk2*fac01(lay)
1551 4063738 : fac011(lay) = fk0*fac11(lay)
1552 4063738 : fac111(lay) = fk1*fac11(lay)
1553 4063738 : fac211(lay) = fk2*fac11(lay)
1554 : else
1555 15767693 : fac001(lay) = (1._r8 - fs1(lay)) * fac01(lay)
1556 15767693 : fac011(lay) = (1._r8 - fs1(lay)) * fac11(lay)
1557 15767693 : fac101(lay) = fs1(lay) * fac01(lay)
1558 15767693 : fac111(lay) = fs1(lay) * fac11(lay)
1559 : endif
1560 :
1561 303092824 : do ig = 1, ng7
1562 837988128 : tauself = selffac(lay)* (selfref(indself(lay),ig) + selffrac(lay) * &
1563 837988128 : (selfref(indself(lay)+1,ig) - selfref(indself(lay),ig)))
1564 558658752 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
1565 558658752 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
1566 837988128 : co2m1 = ka_mco2(jmco2(lay),indminor(lay),ig) + fmco2(lay) * &
1567 837988128 : (ka_mco2(jmco2(lay)+1,indminor(lay),ig) - ka_mco2(jmco2(lay),indminor(lay),ig))
1568 279329376 : co2m2 = ka_mco2(jmco2(lay),indminor(lay)+1,ig) + fmco2(lay) * &
1569 279329376 : (ka_mco2(jmco2(lay)+1,indminor(lay)+1,ig) - ka_mco2(jmco2(lay),indminor(lay)+1,ig))
1570 279329376 : absco2 = co2m1 + minorfrac(lay) * (co2m2 - co2m1)
1571 :
1572 279329376 : if (specparm(lay) .lt. 0.125_r8) then
1573 : tau_major = speccomb(lay) * &
1574 41352204 : (fac000(lay) * absa(ind0(lay),ig) + &
1575 41352204 : fac100(lay) * absa(ind0(lay)+1,ig) + &
1576 41352204 : fac200(lay) * absa(ind0(lay)+2,ig) + &
1577 41352204 : fac010(lay) * absa(ind0(lay)+9,ig) + &
1578 41352204 : fac110(lay) * absa(ind0(lay)+10,ig) + &
1579 248113224 : fac210(lay) * absa(ind0(lay)+11,ig))
1580 237977172 : else if (specparm(lay) .gt. 0.875_r8) then
1581 : tau_major = speccomb(lay) * &
1582 22718268 : (fac200(lay) * absa(ind0(lay)-1,ig) + &
1583 22718268 : fac100(lay) * absa(ind0(lay),ig) + &
1584 22718268 : fac000(lay) * absa(ind0(lay)+1,ig) + &
1585 22718268 : fac210(lay) * absa(ind0(lay)+8,ig) + &
1586 22718268 : fac110(lay) * absa(ind0(lay)+9,ig) + &
1587 136309608 : fac010(lay) * absa(ind0(lay)+10,ig))
1588 : else
1589 : tau_major = speccomb(lay) * &
1590 215258904 : (fac000(lay) * absa(ind0(lay),ig) + &
1591 215258904 : fac100(lay) * absa(ind0(lay)+1,ig) + &
1592 215258904 : fac010(lay) * absa(ind0(lay)+9,ig) + &
1593 861035616 : fac110(lay) * absa(ind0(lay)+10,ig))
1594 : endif
1595 :
1596 279329376 : if (specparm1(lay) .lt. 0.125_r8) then
1597 : tau_major1 = speccomb1(lay) * &
1598 13103076 : (fac001(lay) * absa(ind1(lay),ig) + &
1599 13103076 : fac101(lay) * absa(ind1(lay)+1,ig) + &
1600 13103076 : fac201(lay) * absa(ind1(lay)+2,ig) + &
1601 13103076 : fac011(lay) * absa(ind1(lay)+9,ig) + &
1602 13103076 : fac111(lay) * absa(ind1(lay)+10,ig) + &
1603 78618456 : fac211(lay) * absa(ind1(lay)+11,ig))
1604 266226300 : else if (specparm1(lay) .gt. 0.875_r8) then
1605 : tau_major1 = speccomb1(lay) * &
1606 48764856 : (fac201(lay) * absa(ind1(lay)-1,ig) + &
1607 48764856 : fac101(lay) * absa(ind1(lay),ig) + &
1608 48764856 : fac001(lay) * absa(ind1(lay)+1,ig) + &
1609 48764856 : fac211(lay) * absa(ind1(lay)+8,ig) + &
1610 48764856 : fac111(lay) * absa(ind1(lay)+9,ig) + &
1611 292589136 : fac011(lay) * absa(ind1(lay)+10,ig))
1612 : else
1613 : tau_major1 = speccomb1(lay) * &
1614 217461444 : (fac001(lay) * absa(ind1(lay),ig) + &
1615 217461444 : fac101(lay) * absa(ind1(lay)+1,ig) + &
1616 217461444 : fac011(lay) * absa(ind1(lay)+9,ig) + &
1617 869845776 : fac111(lay) * absa(ind1(lay)+10,ig))
1618 : endif
1619 :
1620 279329376 : taug(lay,ngs6+ig) = tau_major + tau_major1 &
1621 : + tauself + taufor &
1622 279329376 : + adjcolco2(lay)*absco2
1623 558658752 : fracs(lay,ngs6+ig) = fracrefa(ig,jpl(lay)) + fpl(lay) * &
1624 581936200 : (fracrefa(ig,jpl(lay)+1)-fracrefa(ig,jpl(lay)))
1625 : enddo
1626 : enddo
1627 :
1628 : ! Upper atmosphere loop
1629 22406552 : do lay = laytrop+1, nlayers
1630 :
1631 : ! In atmospheres where the amount of CO2 is too great to be considered
1632 : ! a minor species, adjust the column amount of CO2 by an empirical factor
1633 : ! to obtain the proper contribution.
1634 21920552 : chi_co2(lay) = colco2(lay)/(coldry(lay))
1635 21920552 : ratco2(lay) = 1.e20*chi_co2(lay)/chi_mls(2,jp(lay)+1)
1636 21920552 : if (ratco2(lay) .gt. 3.0_r8) then
1637 0 : adjfac(lay) = 2.0_r8+(ratco2(lay)-2.0_r8)**0.79_r8
1638 0 : adjcolco2(lay) = adjfac(lay)*chi_mls(2,jp(lay)+1)*coldry(lay)*1.e-20_r8
1639 : else
1640 21920552 : adjcolco2(lay) = colco2(lay)
1641 : endif
1642 :
1643 21920552 : ind0(lay) = ((jp(lay)-13)*5+(jt(lay)-1))*nspb(7) + 1
1644 21920552 : ind1(lay) = ((jp(lay)-12)*5+(jt1(lay)-1))*nspb(7) + 1
1645 :
1646 284967176 : do ig = 1, ng7
1647 526093248 : absco2 = kb_mco2(indminor(lay),ig) + minorfrac(lay) * &
1648 789139872 : (kb_mco2(indminor(lay)+1,ig) - kb_mco2(indminor(lay),ig))
1649 263046624 : taug(lay,ngs6+ig) = colo3(lay) * &
1650 526093248 : (fac00(lay) * absb(ind0(lay),ig) + &
1651 526093248 : fac10(lay) * absb(ind0(lay)+1,ig) + &
1652 526093248 : fac01(lay) * absb(ind1(lay),ig) + &
1653 526093248 : fac11(lay) * absb(ind1(lay)+1,ig)) &
1654 1315233120 : + adjcolco2(lay) * absco2
1655 284967176 : fracs(lay,ngs6+ig) = fracrefb(ig)
1656 : enddo
1657 :
1658 : ! Empirical modification to code to improve stratospheric cooling rates
1659 : ! for o3. Revised to apply weighting for g-point reduction in this band.
1660 :
1661 21920552 : taug(lay,ngs6+6)=taug(lay,ngs6+6)*0.92_r8
1662 21920552 : taug(lay,ngs6+7)=taug(lay,ngs6+7)*0.88_r8
1663 21920552 : taug(lay,ngs6+8)=taug(lay,ngs6+8)*1.07_r8
1664 21920552 : taug(lay,ngs6+9)=taug(lay,ngs6+9)*1.1_r8
1665 21920552 : taug(lay,ngs6+10)=taug(lay,ngs6+10)*0.99_r8
1666 22406552 : taug(lay,ngs6+11)=taug(lay,ngs6+11)*0.855_r8
1667 :
1668 : enddo
1669 :
1670 486000 : end subroutine taugb7
1671 :
1672 : !----------------------------------------------------------------------------
1673 486000 : subroutine taugb8
1674 : !----------------------------------------------------------------------------
1675 : !
1676 : ! band 8: 1080-1180 cm-1 (low key - h2o; low minor - co2,o3,n2o)
1677 : ! (high key - o3; high minor - co2, n2o)
1678 : !----------------------------------------------------------------------------
1679 :
1680 : ! ------- Modules -------
1681 :
1682 : use parrrtm, only : ng8, ngs7
1683 : use rrlw_ref, only : chi_mls
1684 : use rrlw_kg08, only : fracrefa, fracrefb, absa, absb, &
1685 : ka_mco2, ka_mn2o, ka_mo3, kb_mco2, kb_mn2o, &
1686 : selfref, forref, cfc12, cfc22adj
1687 :
1688 : ! ------- Declarations -------
1689 :
1690 : ! Local
1691 972000 : integer :: lay, ind0(nlayers), ind1(nlayers), ig
1692 : real(kind=r8) :: tauself, taufor, absco2, abso3, absn2o
1693 972000 : real(kind=r8), dimension(nlayers) :: chi_co2, ratco2, adjfac, adjcolco2
1694 :
1695 :
1696 : ! Minor gas mapping level:
1697 : ! lower - co2, p = 1053.63 mb, t = 294.2 k
1698 : ! lower - o3, p = 317.348 mb, t = 240.77 k
1699 : ! lower - n2o, p = 706.2720 mb, t= 278.94 k
1700 : ! lower - cfc12,cfc11
1701 : ! upper - co2, p = 35.1632 mb, t = 223.28 k
1702 : ! upper - n2o, p = 8.716e-2 mb, t = 226.03 k
1703 :
1704 : ! Compute the optical depth by interpolating in ln(pressure) and
1705 : ! temperature, and appropriate species. Below laytrop, the water vapor
1706 : ! self-continuum and foreign continuum is interpolated (in temperature)
1707 : ! separately.
1708 :
1709 : ! Lower atmosphere loop
1710 23763448 : do lay = 1, laytrop
1711 :
1712 : ! In atmospheres where the amount of CO2 is too great to be considered
1713 : ! a minor species, adjust the column amount of CO2 by an empirical factor
1714 : ! to obtain the proper contribution.
1715 23277448 : chi_co2(lay) = colco2(lay)/(coldry(lay))
1716 23277448 : ratco2(lay) = 1.e20_r8*chi_co2(lay)/chi_mls(2,jp(lay)+1)
1717 23277448 : if (ratco2(lay) .gt. 3.0_r8) then
1718 0 : adjfac(lay) = 2.0_r8+(ratco2(lay)-2.0_r8)**0.65_r8
1719 0 : adjcolco2(lay) = adjfac(lay)*chi_mls(2,jp(lay)+1)*coldry(lay)*1.e-20_r8
1720 : else
1721 23277448 : adjcolco2(lay) = colco2(lay)
1722 : endif
1723 :
1724 23277448 : ind0(lay) = ((jp(lay)-1)*5+(jt(lay)-1))*nspa(8) + 1
1725 23277448 : ind1(lay) = (jp(lay)*5+(jt1(lay)-1))*nspa(8) + 1
1726 :
1727 209983032 : do ig = 1, ng8
1728 558658752 : tauself = selffac(lay) * (selfref(indself(lay),ig) + selffrac(lay) * &
1729 558658752 : (selfref(indself(lay)+1,ig) - selfref(indself(lay),ig)))
1730 372439168 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
1731 372439168 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
1732 372439168 : absco2 = (ka_mco2(indminor(lay),ig) + minorfrac(lay) * &
1733 372439168 : (ka_mco2(indminor(lay)+1,ig) - ka_mco2(indminor(lay),ig)))
1734 : abso3 = (ka_mo3(indminor(lay),ig) + minorfrac(lay) * &
1735 186219584 : (ka_mo3(indminor(lay)+1,ig) - ka_mo3(indminor(lay),ig)))
1736 : absn2o = (ka_mn2o(indminor(lay),ig) + minorfrac(lay) * &
1737 186219584 : (ka_mn2o(indminor(lay)+1,ig) - ka_mn2o(indminor(lay),ig)))
1738 186219584 : taug(lay,ngs7+ig) = colh2o(lay) * &
1739 372439168 : (fac00(lay) * absa(ind0(lay),ig) + &
1740 372439168 : fac10(lay) * absa(ind0(lay)+1,ig) + &
1741 372439168 : fac01(lay) * absa(ind1(lay),ig) + &
1742 372439168 : fac11(lay) * absa(ind1(lay)+1,ig)) &
1743 : + tauself + taufor &
1744 : + adjcolco2(lay)*absco2 &
1745 186219584 : + colo3(lay) * abso3 &
1746 186219584 : + coln2o(lay) * absn2o &
1747 186219584 : + wx(3,lay) * cfc12(ig) &
1748 931097920 : + wx(4,lay) * cfc22adj(ig)
1749 209497032 : fracs(lay,ngs7+ig) = fracrefa(ig)
1750 : enddo
1751 : enddo
1752 :
1753 : ! Upper atmosphere loop
1754 22406552 : do lay = laytrop+1, nlayers
1755 :
1756 : ! In atmospheres where the amount of CO2 is too great to be considered
1757 : ! a minor species, adjust the column amount of CO2 by an empirical factor
1758 : ! to obtain the proper contribution.
1759 21920552 : chi_co2(lay) = colco2(lay)/coldry(lay)
1760 21920552 : ratco2(lay) = 1.e20_r8*chi_co2(lay)/chi_mls(2,jp(lay)+1)
1761 21920552 : if (ratco2(lay) .gt. 3.0_r8) then
1762 0 : adjfac(lay) = 2.0_r8+(ratco2(lay)-2.0_r8)**0.65_r8
1763 0 : adjcolco2(lay) = adjfac(lay)*chi_mls(2,jp(lay)+1) * coldry(lay)*1.e-20_r8
1764 : else
1765 21920552 : adjcolco2(lay) = colco2(lay)
1766 : endif
1767 :
1768 21920552 : ind0(lay) = ((jp(lay)-13)*5+(jt(lay)-1))*nspb(8) + 1
1769 21920552 : ind1(lay) = ((jp(lay)-12)*5+(jt1(lay)-1))*nspb(8) + 1
1770 :
1771 197770968 : do ig = 1, ng8
1772 350728832 : absco2 = (kb_mco2(indminor(lay),ig) + minorfrac(lay) * &
1773 526093248 : (kb_mco2(indminor(lay)+1,ig) - kb_mco2(indminor(lay),ig)))
1774 : absn2o = (kb_mn2o(indminor(lay),ig) + minorfrac(lay) * &
1775 175364416 : (kb_mn2o(indminor(lay)+1,ig) - kb_mn2o(indminor(lay),ig)))
1776 175364416 : taug(lay,ngs7+ig) = colo3(lay) * &
1777 350728832 : (fac00(lay) * absb(ind0(lay),ig) + &
1778 350728832 : fac10(lay) * absb(ind0(lay)+1,ig) + &
1779 350728832 : fac01(lay) * absb(ind1(lay),ig) + &
1780 350728832 : fac11(lay) * absb(ind1(lay)+1,ig)) &
1781 : + adjcolco2(lay)*absco2 &
1782 175364416 : + coln2o(lay)*absn2o &
1783 175364416 : + wx(3,lay) * cfc12(ig) &
1784 876822080 : + wx(4,lay) * cfc22adj(ig)
1785 197284968 : fracs(lay,ngs7+ig) = fracrefb(ig)
1786 : enddo
1787 : enddo
1788 :
1789 486000 : end subroutine taugb8
1790 :
1791 : !----------------------------------------------------------------------------
1792 486000 : subroutine taugb9
1793 : !----------------------------------------------------------------------------
1794 : !
1795 : ! band 9: 1180-1390 cm-1 (low key - h2o,ch4; low minor - n2o)
1796 : ! (high key - ch4; high minor - n2o)
1797 : !----------------------------------------------------------------------------
1798 :
1799 : ! ------- Modules -------
1800 :
1801 : use parrrtm, only : ng9, ngs8
1802 : use rrlw_ref, only : chi_mls
1803 : use rrlw_kg09, only : fracrefa, fracrefb, absa, absb, &
1804 : ka_mn2o, kb_mn2o, selfref, forref
1805 :
1806 : ! ------- Declarations -------
1807 :
1808 : ! Local
1809 972000 : integer :: lay, ind0(nlayers), ind1(nlayers), ig
1810 972000 : integer, dimension(nlayers) :: js, js1, jmn2o, jpl
1811 972000 : real(kind=r8), dimension(nlayers) :: speccomb, specparm, specmult, fs
1812 972000 : real(kind=r8), dimension(nlayers) :: speccomb1, specparm1, specmult1, fs1
1813 972000 : real(kind=r8), dimension(nlayers) :: speccomb_mn2o, specparm_mn2o, specmult_mn2o, fmn2o
1814 972000 : real(kind=r8), dimension(nlayers) :: speccomb_planck, specparm_planck, specmult_planck, fpl
1815 : real(kind=r8) :: p, p4, fk0, fk1, fk2
1816 972000 : real(kind=r8), dimension(nlayers) :: fac000, fac100, fac200, fac010, fac110, fac210
1817 972000 : real(kind=r8), dimension(nlayers) :: fac001, fac101, fac201, fac011, fac111, fac211
1818 : real(kind=r8) :: tauself, taufor, n2om1, n2om2, absn2o
1819 972000 : real(kind=r8), dimension(nlayers) :: chi_n2o, ratn2o, adjfac, adjcoln2o
1820 : real(kind=r8) :: refrat_planck_a, refrat_m_a
1821 : real(kind=r8) :: tau_major, tau_major1
1822 :
1823 :
1824 : ! Minor gas mapping level :
1825 : ! lower - n2o, p = 706.272 mbar, t = 278.94 k
1826 : ! upper - n2o, p = 95.58 mbar, t = 215.7 k
1827 :
1828 : ! Calculate reference ratio to be used in calculation of Planck
1829 : ! fraction in lower/upper atmosphere.
1830 :
1831 : ! P = 212 mb
1832 486000 : refrat_planck_a = chi_mls(1,9)/chi_mls(6,9)
1833 :
1834 : ! P = 706.272 mb
1835 486000 : refrat_m_a = chi_mls(1,3)/chi_mls(6,3)
1836 :
1837 : ! Compute the optical depth by interpolating in ln(pressure),
1838 : ! temperature, and appropriate species. Below laytrop, the water
1839 : ! vapor self-continuum and foreign continuum is interpolated
1840 : ! (in temperature) separately.
1841 :
1842 : ! Lower atmosphere loop
1843 23763448 : do lay = 1, laytrop
1844 :
1845 23277448 : speccomb(lay) = colh2o(lay) + rat_h2och4(lay)*colch4(lay)
1846 23277448 : specparm(lay) = colh2o(lay)/speccomb(lay)
1847 23277448 : if (specparm(lay) .ge. oneminus) specparm(lay) = oneminus
1848 23277448 : specmult(lay) = 8._r8*(specparm(lay))
1849 23277448 : js(lay) = 1 + int(specmult(lay))
1850 23277448 : fs(lay) = mod(specmult(lay),1.0_r8)
1851 :
1852 23277448 : speccomb1(lay) = colh2o(lay) + rat_h2och4_1(lay)*colch4(lay)
1853 23277448 : specparm1(lay) = colh2o(lay)/speccomb1(lay)
1854 23277448 : if (specparm1(lay) .ge. oneminus) specparm1(lay) = oneminus
1855 23277448 : specmult1(lay) = 8._r8*(specparm1(lay))
1856 23277448 : js1(lay) = 1 + int(specmult1(lay))
1857 23277448 : fs1(lay) = mod(specmult1(lay),1.0_r8)
1858 :
1859 23277448 : speccomb_mn2o(lay) = colh2o(lay) + refrat_m_a*colch4(lay)
1860 23277448 : specparm_mn2o(lay) = colh2o(lay)/speccomb_mn2o(lay)
1861 23277448 : if (specparm_mn2o(lay) .ge. oneminus) specparm_mn2o(lay) = oneminus
1862 23277448 : specmult_mn2o(lay) = 8._r8*specparm_mn2o(lay)
1863 23277448 : jmn2o(lay) = 1 + int(specmult_mn2o(lay))
1864 23277448 : fmn2o(lay) = mod(specmult_mn2o(lay),1.0_r8)
1865 :
1866 : ! In atmospheres where the amount of N2O is too great to be considered
1867 : ! a minor species, adjust the column amount of N2O by an empirical factor
1868 : ! to obtain the proper contribution.
1869 23277448 : chi_n2o(lay) = coln2o(lay)/(coldry(lay))
1870 23277448 : ratn2o(lay) = 1.e20_r8*chi_n2o(lay)/chi_mls(4,jp(lay)+1)
1871 23277448 : if (ratn2o(lay) .gt. 1.5_r8) then
1872 0 : adjfac(lay) = 0.5_r8+(ratn2o(lay)-0.5_r8)**0.65_r8
1873 0 : adjcoln2o(lay) = adjfac(lay)*chi_mls(4,jp(lay)+1)*coldry(lay)*1.e-20_r8
1874 : else
1875 23277448 : adjcoln2o(lay) = coln2o(lay)
1876 : endif
1877 :
1878 23277448 : speccomb_planck(lay) = colh2o(lay)+refrat_planck_a*colch4(lay)
1879 23277448 : specparm_planck(lay) = colh2o(lay)/speccomb_planck(lay)
1880 23277448 : if (specparm_planck(lay) .ge. oneminus) specparm_planck(lay)=oneminus
1881 23277448 : specmult_planck(lay) = 8._r8*specparm_planck(lay)
1882 23277448 : jpl(lay)= 1 + int(specmult_planck(lay))
1883 23277448 : fpl(lay) = mod(specmult_planck(lay),1.0_r8)
1884 :
1885 23277448 : ind0(lay) = ((jp(lay)-1)*5+(jt(lay)-1))*nspa(9) + js(lay)
1886 23277448 : ind1(lay) = (jp(lay)*5+(jt1(lay)-1))*nspa(9) + js1(lay)
1887 :
1888 23277448 : if (specparm(lay) .lt. 0.125_r8) then
1889 3886970 : p = fs(lay) - 1
1890 3886970 : p4 = p**4
1891 3886970 : fk0 = p4
1892 3886970 : fk1 = 1 - p - 2.0_r8*p4
1893 3886970 : fk2 = p + p4
1894 3886970 : fac000(lay) = fk0*fac00(lay)
1895 3886970 : fac100(lay) = fk1*fac00(lay)
1896 3886970 : fac200(lay) = fk2*fac00(lay)
1897 3886970 : fac010(lay) = fk0*fac10(lay)
1898 3886970 : fac110(lay) = fk1*fac10(lay)
1899 3886970 : fac210(lay) = fk2*fac10(lay)
1900 19390478 : else if (specparm(lay) .gt. 0.875_r8) then
1901 14858 : p = -fs(lay)
1902 14858 : p4 = p**4
1903 14858 : fk0 = p4
1904 14858 : fk1 = 1 - p - 2.0_r8*p4
1905 14858 : fk2 = p + p4
1906 14858 : fac000(lay) = fk0*fac00(lay)
1907 14858 : fac100(lay) = fk1*fac00(lay)
1908 14858 : fac200(lay) = fk2*fac00(lay)
1909 14858 : fac010(lay) = fk0*fac10(lay)
1910 14858 : fac110(lay) = fk1*fac10(lay)
1911 14858 : fac210(lay) = fk2*fac10(lay)
1912 : else
1913 19375620 : fac000(lay) = (1._r8 - fs(lay)) * fac00(lay)
1914 19375620 : fac010(lay) = (1._r8 - fs(lay)) * fac10(lay)
1915 19375620 : fac100(lay) = fs(lay) * fac00(lay)
1916 19375620 : fac110(lay) = fs(lay) * fac10(lay)
1917 : endif
1918 :
1919 23277448 : if (specparm1(lay) .lt. 0.125_r8) then
1920 1558856 : p = fs1(lay) - 1
1921 1558856 : p4 = p**4
1922 1558856 : fk0 = p4
1923 1558856 : fk1 = 1 - p - 2.0_r8*p4
1924 1558856 : fk2 = p + p4
1925 1558856 : fac001(lay) = fk0*fac01(lay)
1926 1558856 : fac101(lay) = fk1*fac01(lay)
1927 1558856 : fac201(lay) = fk2*fac01(lay)
1928 1558856 : fac011(lay) = fk0*fac11(lay)
1929 1558856 : fac111(lay) = fk1*fac11(lay)
1930 1558856 : fac211(lay) = fk2*fac11(lay)
1931 21718592 : else if (specparm1(lay) .gt. 0.875_r8) then
1932 514158 : p = -fs1(lay)
1933 514158 : p4 = p**4
1934 514158 : fk0 = p4
1935 514158 : fk1 = 1 - p - 2.0_r8*p4
1936 514158 : fk2 = p + p4
1937 514158 : fac001(lay) = fk0*fac01(lay)
1938 514158 : fac101(lay) = fk1*fac01(lay)
1939 514158 : fac201(lay) = fk2*fac01(lay)
1940 514158 : fac011(lay) = fk0*fac11(lay)
1941 514158 : fac111(lay) = fk1*fac11(lay)
1942 514158 : fac211(lay) = fk2*fac11(lay)
1943 : else
1944 21204434 : fac001(lay) = (1._r8 - fs1(lay)) * fac01(lay)
1945 21204434 : fac011(lay) = (1._r8 - fs1(lay)) * fac11(lay)
1946 21204434 : fac101(lay) = fs1(lay) * fac01(lay)
1947 21204434 : fac111(lay) = fs1(lay) * fac11(lay)
1948 : endif
1949 :
1950 303092824 : do ig = 1, ng9
1951 837988128 : tauself = selffac(lay)* (selfref(indself(lay),ig) + selffrac(lay) * &
1952 837988128 : (selfref(indself(lay)+1,ig) - selfref(indself(lay),ig)))
1953 558658752 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
1954 558658752 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
1955 837988128 : n2om1 = ka_mn2o(jmn2o(lay),indminor(lay),ig) + fmn2o(lay) * &
1956 837988128 : (ka_mn2o(jmn2o(lay)+1,indminor(lay),ig) - ka_mn2o(jmn2o(lay),indminor(lay),ig))
1957 279329376 : n2om2 = ka_mn2o(jmn2o(lay),indminor(lay)+1,ig) + fmn2o(lay) * &
1958 279329376 : (ka_mn2o(jmn2o(lay)+1,indminor(lay)+1,ig) - ka_mn2o(jmn2o(lay),indminor(lay)+1,ig))
1959 279329376 : absn2o = n2om1 + minorfrac(lay) * (n2om2 - n2om1)
1960 :
1961 279329376 : if (specparm(lay) .lt. 0.125_r8) then
1962 : tau_major = speccomb(lay) * &
1963 46643640 : (fac000(lay) * absa(ind0(lay),ig) + &
1964 46643640 : fac100(lay) * absa(ind0(lay)+1,ig) + &
1965 46643640 : fac200(lay) * absa(ind0(lay)+2,ig) + &
1966 46643640 : fac010(lay) * absa(ind0(lay)+9,ig) + &
1967 46643640 : fac110(lay) * absa(ind0(lay)+10,ig) + &
1968 279861840 : fac210(lay) * absa(ind0(lay)+11,ig))
1969 232685736 : else if (specparm(lay) .gt. 0.875_r8) then
1970 : tau_major = speccomb(lay) * &
1971 178296 : (fac200(lay) * absa(ind0(lay)-1,ig) + &
1972 178296 : fac100(lay) * absa(ind0(lay),ig) + &
1973 178296 : fac000(lay) * absa(ind0(lay)+1,ig) + &
1974 178296 : fac210(lay) * absa(ind0(lay)+8,ig) + &
1975 178296 : fac110(lay) * absa(ind0(lay)+9,ig) + &
1976 1069776 : fac010(lay) * absa(ind0(lay)+10,ig))
1977 : else
1978 : tau_major = speccomb(lay) * &
1979 232507440 : (fac000(lay) * absa(ind0(lay),ig) + &
1980 232507440 : fac100(lay) * absa(ind0(lay)+1,ig) + &
1981 232507440 : fac010(lay) * absa(ind0(lay)+9,ig) + &
1982 930029760 : fac110(lay) * absa(ind0(lay)+10,ig))
1983 : endif
1984 :
1985 279329376 : if (specparm1(lay) .lt. 0.125_r8) then
1986 : tau_major1 = speccomb1(lay) * &
1987 18706272 : (fac001(lay) * absa(ind1(lay),ig) + &
1988 18706272 : fac101(lay) * absa(ind1(lay)+1,ig) + &
1989 18706272 : fac201(lay) * absa(ind1(lay)+2,ig) + &
1990 18706272 : fac011(lay) * absa(ind1(lay)+9,ig) + &
1991 18706272 : fac111(lay) * absa(ind1(lay)+10,ig) + &
1992 112237632 : fac211(lay) * absa(ind1(lay)+11,ig))
1993 260623104 : else if (specparm1(lay) .gt. 0.875_r8) then
1994 : tau_major1 = speccomb1(lay) * &
1995 6169896 : (fac201(lay) * absa(ind1(lay)-1,ig) + &
1996 6169896 : fac101(lay) * absa(ind1(lay),ig) + &
1997 6169896 : fac001(lay) * absa(ind1(lay)+1,ig) + &
1998 6169896 : fac211(lay) * absa(ind1(lay)+8,ig) + &
1999 6169896 : fac111(lay) * absa(ind1(lay)+9,ig) + &
2000 37019376 : fac011(lay) * absa(ind1(lay)+10,ig))
2001 : else
2002 : tau_major1 = speccomb1(lay) * &
2003 254453208 : (fac001(lay) * absa(ind1(lay),ig) + &
2004 254453208 : fac101(lay) * absa(ind1(lay)+1,ig) + &
2005 254453208 : fac011(lay) * absa(ind1(lay)+9,ig) + &
2006 1017812832 : fac111(lay) * absa(ind1(lay)+10,ig))
2007 : endif
2008 :
2009 279329376 : taug(lay,ngs8+ig) = tau_major + tau_major1 &
2010 : + tauself + taufor &
2011 279329376 : + adjcoln2o(lay)*absn2o
2012 558658752 : fracs(lay,ngs8+ig) = fracrefa(ig,jpl(lay)) + fpl(lay) * &
2013 581936200 : (fracrefa(ig,jpl(lay)+1)-fracrefa(ig,jpl(lay)))
2014 : enddo
2015 : enddo
2016 :
2017 : ! Upper atmosphere loop
2018 22406552 : do lay = laytrop+1, nlayers
2019 :
2020 : ! In atmospheres where the amount of N2O is too great to be considered
2021 : ! a minor species, adjust the column amount of N2O by an empirical factor
2022 : ! to obtain the proper contribution.
2023 21920552 : chi_n2o(lay) = coln2o(lay)/(coldry(lay))
2024 21920552 : ratn2o(lay) = 1.e20_r8*chi_n2o(lay)/chi_mls(4,jp(lay)+1)
2025 21920552 : if (ratn2o(lay) .gt. 1.5_r8) then
2026 12971441 : adjfac(lay) = 0.5_r8+(ratn2o(lay)-0.5_r8)**0.65_r8
2027 12971441 : adjcoln2o(lay) = adjfac(lay)*chi_mls(4,jp(lay)+1)*coldry(lay)*1.e-20_r8
2028 : else
2029 8949111 : adjcoln2o(lay) = coln2o(lay)
2030 : endif
2031 :
2032 21920552 : ind0(lay) = ((jp(lay)-13)*5+(jt(lay)-1))*nspb(9) + 1
2033 21920552 : ind1(lay) = ((jp(lay)-12)*5+(jt1(lay)-1))*nspb(9) + 1
2034 :
2035 285453176 : do ig = 1, ng9
2036 526093248 : absn2o = kb_mn2o(indminor(lay),ig) + minorfrac(lay) * &
2037 789139872 : (kb_mn2o(indminor(lay)+1,ig) - kb_mn2o(indminor(lay),ig))
2038 263046624 : taug(lay,ngs8+ig) = colch4(lay) * &
2039 526093248 : (fac00(lay) * absb(ind0(lay),ig) + &
2040 526093248 : fac10(lay) * absb(ind0(lay)+1,ig) + &
2041 526093248 : fac01(lay) * absb(ind1(lay),ig) + &
2042 526093248 : fac11(lay) * absb(ind1(lay)+1,ig)) &
2043 1315233120 : + adjcoln2o(lay)*absn2o
2044 284967176 : fracs(lay,ngs8+ig) = fracrefb(ig)
2045 : enddo
2046 : enddo
2047 :
2048 486000 : end subroutine taugb9
2049 :
2050 : !----------------------------------------------------------------------------
2051 486000 : subroutine taugb10
2052 : !----------------------------------------------------------------------------
2053 : !
2054 : ! band 10: 1390-1480 cm-1 (low key - h2o; high key - h2o)
2055 : !----------------------------------------------------------------------------
2056 :
2057 : ! ------- Modules -------
2058 :
2059 : use parrrtm, only : ng10, ngs9
2060 : use rrlw_kg10, only : fracrefa, fracrefb, absa, absb, &
2061 : selfref, forref
2062 :
2063 : ! ------- Declarations -------
2064 :
2065 : ! Local
2066 972000 : integer :: lay, ind0(nlayers), ind1(nlayers), ig
2067 : real(kind=r8) :: tauself, taufor
2068 :
2069 :
2070 : ! Compute the optical depth by interpolating in ln(pressure) and
2071 : ! temperature. Below laytrop, the water vapor self-continuum and
2072 : ! foreign continuum is interpolated (in temperature) separately.
2073 :
2074 : ! Lower atmosphere loop
2075 23763448 : do lay = 1, laytrop
2076 23277448 : ind0(lay) = ((jp(lay)-1)*5+(jt(lay)-1))*nspa(10) + 1
2077 23277448 : ind1(lay) = (jp(lay)*5+(jt1(lay)-1))*nspa(10) + 1
2078 :
2079 163428136 : do ig = 1, ng10
2080 418994064 : tauself = selffac(lay) * (selfref(indself(lay),ig) + selffrac(lay) * &
2081 418994064 : (selfref(indself(lay)+1,ig) - selfref(indself(lay),ig)))
2082 279329376 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
2083 279329376 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
2084 139664688 : taug(lay,ngs9+ig) = colh2o(lay) * &
2085 279329376 : (fac00(lay) * absa(ind0(lay),ig) + &
2086 279329376 : fac10(lay) * absa(ind0(lay)+1,ig) + &
2087 279329376 : fac01(lay) * absa(ind1(lay),ig) + &
2088 279329376 : fac11(lay) * absa(ind1(lay)+1,ig)) &
2089 698323440 : + tauself + taufor
2090 162942136 : fracs(lay,ngs9+ig) = fracrefa(ig)
2091 : enddo
2092 : enddo
2093 :
2094 : ! Upper atmosphere loop
2095 22406552 : do lay = laytrop+1, nlayers
2096 21920552 : ind0(lay) = ((jp(lay)-13)*5+(jt(lay)-1))*nspb(10) + 1
2097 21920552 : ind1(lay) = ((jp(lay)-12)*5+(jt1(lay)-1))*nspb(10) + 1
2098 :
2099 153929864 : do ig = 1, ng10
2100 394569936 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
2101 394569936 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
2102 131523312 : taug(lay,ngs9+ig) = colh2o(lay) * &
2103 263046624 : (fac00(lay) * absb(ind0(lay),ig) + &
2104 263046624 : fac10(lay) * absb(ind0(lay)+1,ig) + &
2105 263046624 : fac01(lay) * absb(ind1(lay),ig) + &
2106 263046624 : fac11(lay) * absb(ind1(lay)+1,ig)) &
2107 657616560 : + taufor
2108 153443864 : fracs(lay,ngs9+ig) = fracrefb(ig)
2109 : enddo
2110 : enddo
2111 :
2112 486000 : end subroutine taugb10
2113 :
2114 : !----------------------------------------------------------------------------
2115 486000 : subroutine taugb11
2116 : !----------------------------------------------------------------------------
2117 : !
2118 : ! band 11: 1480-1800 cm-1 (low - h2o; low minor - o2)
2119 : ! (high key - h2o; high minor - o2)
2120 : !----------------------------------------------------------------------------
2121 :
2122 : ! ------- Modules -------
2123 :
2124 : use parrrtm, only : ng11, ngs10
2125 : use rrlw_kg11, only : fracrefa, fracrefb, absa, absb, &
2126 : ka_mo2, kb_mo2, selfref, forref
2127 :
2128 : ! ------- Declarations -------
2129 :
2130 : ! Local
2131 972000 : integer :: lay, ind0(nlayers), ind1(nlayers), ig
2132 972000 : real(kind=r8) :: scaleo2(nlayers), tauself, taufor, tauo2
2133 :
2134 :
2135 : ! Minor gas mapping level :
2136 : ! lower - o2, p = 706.2720 mbar, t = 278.94 k
2137 : ! upper - o2, p = 4.758820 mbarm t = 250.85 k
2138 :
2139 : ! Compute the optical depth by interpolating in ln(pressure) and
2140 : ! temperature. Below laytrop, the water vapor self-continuum and
2141 : ! foreign continuum is interpolated (in temperature) separately.
2142 :
2143 : ! Lower atmosphere loop
2144 23763448 : do lay = 1, laytrop
2145 23277448 : ind0(lay) = ((jp(lay)-1)*5+(jt(lay)-1))*nspa(11) + 1
2146 23277448 : ind1(lay) = (jp(lay)*5+(jt1(lay)-1))*nspa(11) + 1
2147 23277448 : scaleo2(lay) = colo2(lay)*scaleminor(lay)
2148 209983032 : do ig = 1, ng11
2149 558658752 : tauself = selffac(lay) * (selfref(indself(lay),ig) + selffrac(lay) * &
2150 558658752 : (selfref(indself(lay)+1,ig) - selfref(indself(lay),ig)))
2151 372439168 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
2152 372439168 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
2153 372439168 : tauo2 = scaleo2(lay) * (ka_mo2(indminor(lay),ig) + minorfrac(lay) * &
2154 372439168 : (ka_mo2(indminor(lay)+1,ig) - ka_mo2(indminor(lay),ig)))
2155 186219584 : taug(lay,ngs10+ig) = colh2o(lay) * &
2156 372439168 : (fac00(lay) * absa(ind0(lay),ig) + &
2157 372439168 : fac10(lay) * absa(ind0(lay)+1,ig) + &
2158 372439168 : fac01(lay) * absa(ind1(lay),ig) + &
2159 372439168 : fac11(lay) * absa(ind1(lay)+1,ig)) &
2160 : + tauself + taufor &
2161 931097920 : + tauo2
2162 209497032 : fracs(lay,ngs10+ig) = fracrefa(ig)
2163 : enddo
2164 : enddo
2165 :
2166 : ! Upper atmosphere loop
2167 22406552 : do lay = laytrop+1, nlayers
2168 21920552 : ind0(lay) = ((jp(lay)-13)*5+(jt(lay)-1))*nspb(11) + 1
2169 21920552 : ind1(lay) = ((jp(lay)-12)*5+(jt1(lay)-1))*nspb(11) + 1
2170 21920552 : scaleo2(lay) = colo2(lay)*scaleminor(lay)
2171 197770968 : do ig = 1, ng11
2172 526093248 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
2173 526093248 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
2174 350728832 : tauo2 = scaleo2(lay) * (kb_mo2(indminor(lay),ig) + minorfrac(lay) * &
2175 350728832 : (kb_mo2(indminor(lay)+1,ig) - kb_mo2(indminor(lay),ig)))
2176 175364416 : taug(lay,ngs10+ig) = colh2o(lay) * &
2177 350728832 : (fac00(lay) * absb(ind0(lay),ig) + &
2178 350728832 : fac10(lay) * absb(ind0(lay)+1,ig) + &
2179 350728832 : fac01(lay) * absb(ind1(lay),ig) + &
2180 350728832 : fac11(lay) * absb(ind1(lay)+1,ig)) &
2181 : + taufor &
2182 876822080 : + tauo2
2183 197284968 : fracs(lay,ngs10+ig) = fracrefb(ig)
2184 : enddo
2185 : enddo
2186 :
2187 486000 : end subroutine taugb11
2188 :
2189 : !----------------------------------------------------------------------------
2190 486000 : subroutine taugb12
2191 : !----------------------------------------------------------------------------
2192 : !
2193 : ! band 12: 1800-2080 cm-1 (low - h2o,co2; high - nothing)
2194 : !----------------------------------------------------------------------------
2195 :
2196 : ! ------- Modules -------
2197 :
2198 : use parrrtm, only : ng12, ngs11
2199 : use rrlw_ref, only : chi_mls
2200 : use rrlw_kg12, only : fracrefa, absa, &
2201 : selfref, forref
2202 :
2203 : ! ------- Declarations -------
2204 :
2205 : ! Local
2206 972000 : integer :: lay, ind0(nlayers), ind1(nlayers), ig
2207 972000 : integer, dimension(nlayers) :: js, js1, jpl
2208 972000 : real(kind=r8), dimension(nlayers) :: speccomb, specparm, specmult, fs
2209 972000 : real(kind=r8), dimension(nlayers) :: speccomb1, specparm1, specmult1, fs1
2210 972000 : real(kind=r8), dimension(nlayers) :: speccomb_planck, specparm_planck, specmult_planck, fpl
2211 : real(kind=r8) :: p, p4, fk0, fk1, fk2
2212 972000 : real(kind=r8), dimension(nlayers) :: fac000, fac100, fac200, fac010, fac110, fac210
2213 972000 : real(kind=r8), dimension(nlayers) :: fac001, fac101, fac201, fac011, fac111, fac211
2214 : real(kind=r8) :: tauself, taufor
2215 : real(kind=r8) :: refrat_planck_a
2216 : real(kind=r8) :: tau_major, tau_major1
2217 :
2218 :
2219 : ! Calculate reference ratio to be used in calculation of Planck
2220 : ! fraction in lower/upper atmosphere.
2221 :
2222 : ! P = 174.164 mb
2223 486000 : refrat_planck_a = chi_mls(1,10)/chi_mls(2,10)
2224 :
2225 : ! Compute the optical depth by interpolating in ln(pressure),
2226 : ! temperature, and appropriate species. Below laytrop, the water
2227 : ! vapor self-continuum adn foreign continuum is interpolated
2228 : ! (in temperature) separately.
2229 :
2230 : ! Lower atmosphere loop
2231 23763448 : do lay = 1, laytrop
2232 :
2233 23277448 : speccomb(lay) = colh2o(lay) + rat_h2oco2(lay)*colco2(lay)
2234 23277448 : specparm(lay) = colh2o(lay)/speccomb(lay)
2235 23277448 : if (specparm(lay) .ge. oneminus) specparm(lay) = oneminus
2236 23277448 : specmult(lay) = 8._r8*(specparm(lay))
2237 23277448 : js(lay) = 1 + int(specmult(lay))
2238 23277448 : fs(lay) = mod(specmult(lay),1.0_r8)
2239 :
2240 23277448 : speccomb1(lay) = colh2o(lay) + rat_h2oco2_1(lay)*colco2(lay)
2241 23277448 : specparm1(lay) = colh2o(lay)/speccomb1(lay)
2242 23277448 : if (specparm1(lay) .ge. oneminus) specparm1(lay) = oneminus
2243 23277448 : specmult1(lay) = 8._r8*(specparm1(lay))
2244 23277448 : js1(lay) = 1 + int(specmult1(lay))
2245 23277448 : fs1(lay) = mod(specmult1(lay),1.0_r8)
2246 :
2247 23277448 : speccomb_planck(lay) = colh2o(lay)+refrat_planck_a*colco2(lay)
2248 23277448 : specparm_planck(lay) = colh2o(lay)/speccomb_planck(lay)
2249 23277448 : if (specparm_planck(lay) .ge. oneminus) specparm_planck(lay)=oneminus
2250 23277448 : specmult_planck(lay) = 8._r8*specparm_planck(lay)
2251 23277448 : jpl(lay)= 1 + int(specmult_planck(lay))
2252 23277448 : fpl(lay) = mod(specmult_planck(lay),1.0_r8)
2253 :
2254 23277448 : ind0(lay) = ((jp(lay)-1)*5+(jt(lay)-1))*nspa(12) + js(lay)
2255 23763448 : ind1(lay) = (jp(lay)*5+(jt1(lay)-1))*nspa(12) + js1(lay)
2256 : enddo
2257 23763448 : do lay = 1, laytrop
2258 23763448 : if (specparm(lay) .lt. 0.125_r8) then
2259 3737204 : p = fs(lay) - 1
2260 3737204 : p4 = p**4
2261 3737204 : fk0 = p4
2262 3737204 : fk1 = 1 - p - 2.0_r8*p4
2263 3737204 : fk2 = p + p4
2264 3737204 : fac000(lay) = fk0*fac00(lay)
2265 3737204 : fac100(lay) = fk1*fac00(lay)
2266 3737204 : fac200(lay) = fk2*fac00(lay)
2267 3737204 : fac010(lay) = fk0*fac10(lay)
2268 3737204 : fac110(lay) = fk1*fac10(lay)
2269 3737204 : fac210(lay) = fk2*fac10(lay)
2270 19540244 : else if (specparm(lay) .gt. 0.875_r8) then
2271 31557 : p = -fs(lay)
2272 31557 : p4 = p**4
2273 31557 : fk0 = p4
2274 31557 : fk1 = 1 - p - 2.0_r8*p4
2275 31557 : fk2 = p + p4
2276 31557 : fac000(lay) = fk0*fac00(lay)
2277 31557 : fac100(lay) = fk1*fac00(lay)
2278 31557 : fac200(lay) = fk2*fac00(lay)
2279 31557 : fac010(lay) = fk0*fac10(lay)
2280 31557 : fac110(lay) = fk1*fac10(lay)
2281 31557 : fac210(lay) = fk2*fac10(lay)
2282 : else
2283 19508687 : fac000(lay) = (1._r8 - fs(lay)) * fac00(lay)
2284 19508687 : fac010(lay) = (1._r8 - fs(lay)) * fac10(lay)
2285 19508687 : fac100(lay) = fs(lay) * fac00(lay)
2286 19508687 : fac110(lay) = fs(lay) * fac10(lay)
2287 : endif
2288 :
2289 : enddo
2290 23763448 : do lay = 1, laytrop
2291 23763448 : if (specparm1(lay) .lt. 0.125_r8) then
2292 1487462 : p = fs1(lay) - 1
2293 1487462 : p4 = p**4
2294 1487462 : fk0 = p4
2295 1487462 : fk1 = 1 - p - 2.0_r8*p4
2296 1487462 : fk2 = p + p4
2297 1487462 : fac001(lay) = fk0*fac01(lay)
2298 1487462 : fac101(lay) = fk1*fac01(lay)
2299 1487462 : fac201(lay) = fk2*fac01(lay)
2300 1487462 : fac011(lay) = fk0*fac11(lay)
2301 1487462 : fac111(lay) = fk1*fac11(lay)
2302 1487462 : fac211(lay) = fk2*fac11(lay)
2303 21789986 : else if (specparm1(lay) .gt. 0.875_r8) then
2304 675028 : p = -fs1(lay)
2305 675028 : p4 = p**4
2306 675028 : fk0 = p4
2307 675028 : fk1 = 1 - p - 2.0_r8*p4
2308 675028 : fk2 = p + p4
2309 675028 : fac001(lay) = fk0*fac01(lay)
2310 675028 : fac101(lay) = fk1*fac01(lay)
2311 675028 : fac201(lay) = fk2*fac01(lay)
2312 675028 : fac011(lay) = fk0*fac11(lay)
2313 675028 : fac111(lay) = fk1*fac11(lay)
2314 675028 : fac211(lay) = fk2*fac11(lay)
2315 : else
2316 21114958 : fac001(lay) = (1._r8 - fs1(lay)) * fac01(lay)
2317 21114958 : fac011(lay) = (1._r8 - fs1(lay)) * fac11(lay)
2318 21114958 : fac101(lay) = fs1(lay) * fac01(lay)
2319 21114958 : fac111(lay) = fs1(lay) * fac11(lay)
2320 : endif
2321 : enddo
2322 23763448 : do lay = 1, laytrop
2323 :
2324 209983032 : do ig = 1, ng12
2325 558658752 : tauself = selffac(lay)* (selfref(indself(lay),ig) + selffrac(lay) * &
2326 744878336 : (selfref(indself(lay)+1,ig) - selfref(indself(lay),ig)))
2327 372439168 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
2328 372439168 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
2329 :
2330 186219584 : if (specparm(lay) .lt. 0.125_r8) then
2331 : tau_major = speccomb(lay) * &
2332 29897632 : (fac000(lay) * absa(ind0(lay),ig) + &
2333 29897632 : fac100(lay) * absa(ind0(lay)+1,ig) + &
2334 29897632 : fac200(lay) * absa(ind0(lay)+2,ig) + &
2335 29897632 : fac010(lay) * absa(ind0(lay)+9,ig) + &
2336 29897632 : fac110(lay) * absa(ind0(lay)+10,ig) + &
2337 179385792 : fac210(lay) * absa(ind0(lay)+11,ig))
2338 156321952 : else if (specparm(lay) .gt. 0.875_r8) then
2339 : tau_major = speccomb(lay) * &
2340 252456 : (fac200(lay) * absa(ind0(lay)-1,ig) + &
2341 252456 : fac100(lay) * absa(ind0(lay),ig) + &
2342 252456 : fac000(lay) * absa(ind0(lay)+1,ig) + &
2343 252456 : fac210(lay) * absa(ind0(lay)+8,ig) + &
2344 252456 : fac110(lay) * absa(ind0(lay)+9,ig) + &
2345 1514736 : fac010(lay) * absa(ind0(lay)+10,ig))
2346 : else
2347 : tau_major = speccomb(lay) * &
2348 156069496 : (fac000(lay) * absa(ind0(lay),ig) + &
2349 156069496 : fac100(lay) * absa(ind0(lay)+1,ig) + &
2350 156069496 : fac010(lay) * absa(ind0(lay)+9,ig) + &
2351 624277984 : fac110(lay) * absa(ind0(lay)+10,ig))
2352 : endif
2353 :
2354 186219584 : if (specparm1(lay) .lt. 0.125_r8) then
2355 : tau_major1 = speccomb1(lay) * &
2356 11899696 : (fac001(lay) * absa(ind1(lay),ig) + &
2357 11899696 : fac101(lay) * absa(ind1(lay)+1,ig) + &
2358 11899696 : fac201(lay) * absa(ind1(lay)+2,ig) + &
2359 11899696 : fac011(lay) * absa(ind1(lay)+9,ig) + &
2360 11899696 : fac111(lay) * absa(ind1(lay)+10,ig) + &
2361 71398176 : fac211(lay) * absa(ind1(lay)+11,ig))
2362 174319888 : else if (specparm1(lay) .gt. 0.875_r8) then
2363 : tau_major1 = speccomb1(lay) * &
2364 5400224 : (fac201(lay) * absa(ind1(lay)-1,ig) + &
2365 5400224 : fac101(lay) * absa(ind1(lay),ig) + &
2366 5400224 : fac001(lay) * absa(ind1(lay)+1,ig) + &
2367 5400224 : fac211(lay) * absa(ind1(lay)+8,ig) + &
2368 5400224 : fac111(lay) * absa(ind1(lay)+9,ig) + &
2369 32401344 : fac011(lay) * absa(ind1(lay)+10,ig))
2370 : else
2371 : tau_major1 = speccomb1(lay) * &
2372 168919664 : (fac001(lay) * absa(ind1(lay),ig) + &
2373 168919664 : fac101(lay) * absa(ind1(lay)+1,ig) + &
2374 168919664 : fac011(lay) * absa(ind1(lay)+9,ig) + &
2375 675678656 : fac111(lay) * absa(ind1(lay)+10,ig))
2376 : endif
2377 :
2378 186219584 : taug(lay,ngs11+ig) = tau_major + tau_major1 &
2379 186219584 : + tauself + taufor
2380 372439168 : fracs(lay,ngs11+ig) = fracrefa(ig,jpl(lay)) + fpl(lay) * &
2381 395716616 : (fracrefa(ig,jpl(lay)+1)-fracrefa(ig,jpl(lay)))
2382 : enddo
2383 : enddo
2384 :
2385 : ! Upper atmosphere loop
2386 22406552 : do lay = laytrop+1, nlayers
2387 197770968 : do ig = 1, ng12
2388 175364416 : taug(lay,ngs11+ig) = 0.0_r8
2389 197284968 : fracs(lay,ngs11+ig) = 0.0_r8
2390 : enddo
2391 : enddo
2392 :
2393 486000 : end subroutine taugb12
2394 :
2395 : !----------------------------------------------------------------------------
2396 486000 : subroutine taugb13
2397 : !----------------------------------------------------------------------------
2398 : !
2399 : ! band 13: 2080-2250 cm-1 (low key - h2o,n2o; high minor - o3 minor)
2400 : !----------------------------------------------------------------------------
2401 :
2402 : ! ------- Modules -------
2403 :
2404 : use parrrtm, only : ng13, ngs12
2405 : use rrlw_ref, only : chi_mls
2406 : use rrlw_kg13, only : fracrefa, fracrefb, absa, &
2407 : ka_mco2, ka_mco, kb_mo3, selfref, forref
2408 :
2409 : ! ------- Declarations -------
2410 :
2411 : ! Local
2412 972000 : integer :: lay, ind0(nlayers), ind1(nlayers), ig
2413 972000 : integer, dimension(nlayers) :: js, js1, jmco2, jmco, jpl
2414 972000 : real(kind=r8), dimension(nlayers) :: speccomb, specparm, specmult, fs
2415 972000 : real(kind=r8), dimension(nlayers) :: speccomb1, specparm1, specmult1, fs1
2416 972000 : real(kind=r8), dimension(nlayers) :: speccomb_mco2, specparm_mco2, specmult_mco2, fmco2
2417 972000 : real(kind=r8), dimension(nlayers) :: speccomb_mco, specparm_mco, specmult_mco, fmco
2418 972000 : real(kind=r8), dimension(nlayers) :: speccomb_planck, specparm_planck, specmult_planck, fpl
2419 : real(kind=r8) :: p, p4, fk0, fk1, fk2
2420 972000 : real(kind=r8), dimension(nlayers) :: fac000, fac100, fac200, fac010, fac110, fac210
2421 972000 : real(kind=r8), dimension(nlayers) :: fac001, fac101, fac201, fac011, fac111, fac211
2422 : real(kind=r8) :: tauself, taufor, co2m1, co2m2, absco2
2423 : real(kind=r8) :: com1, com2, absco, abso3
2424 972000 : real(kind=r8), dimension(nlayers) :: chi_co2, ratco2, adjfac, adjcolco2
2425 : real(kind=r8) :: refrat_planck_a, refrat_m_a, refrat_m_a3
2426 : real(kind=r8) :: tau_major, tau_major1
2427 :
2428 :
2429 : ! Minor gas mapping levels :
2430 : ! lower - co2, p = 1053.63 mb, t = 294.2 k
2431 : ! lower - co, p = 706 mb, t = 278.94 k
2432 : ! upper - o3, p = 95.5835 mb, t = 215.7 k
2433 :
2434 : ! Calculate reference ratio to be used in calculation of Planck
2435 : ! fraction in lower/upper atmosphere.
2436 :
2437 : ! P = 473.420 mb (Level 5)
2438 486000 : refrat_planck_a = chi_mls(1,5)/chi_mls(4,5)
2439 :
2440 : ! P = 1053. (Level 1)
2441 486000 : refrat_m_a = chi_mls(1,1)/chi_mls(4,1)
2442 :
2443 : ! P = 706. (Level 3)
2444 486000 : refrat_m_a3 = chi_mls(1,3)/chi_mls(4,3)
2445 :
2446 : ! Compute the optical depth by interpolating in ln(pressure),
2447 : ! temperature, and appropriate species. Below laytrop, the water
2448 : ! vapor self-continuum and foreign continuum is interpolated
2449 : ! (in temperature) separately.
2450 :
2451 : ! Lower atmosphere loop
2452 23763448 : do lay = 1, laytrop
2453 :
2454 23277448 : speccomb(lay) = colh2o(lay) + rat_h2on2o(lay)*coln2o(lay)
2455 23277448 : specparm(lay) = colh2o(lay)/speccomb(lay)
2456 23277448 : if (specparm(lay) .ge. oneminus) specparm(lay) = oneminus
2457 23277448 : specmult(lay) = 8._r8*(specparm(lay))
2458 23277448 : js(lay) = 1 + int(specmult(lay))
2459 23277448 : fs(lay) = mod(specmult(lay),1.0_r8)
2460 :
2461 23277448 : speccomb1(lay) = colh2o(lay) + rat_h2on2o_1(lay)*coln2o(lay)
2462 23277448 : specparm1(lay) = colh2o(lay)/speccomb1(lay)
2463 23277448 : if (specparm1(lay) .ge. oneminus) specparm1(lay) = oneminus
2464 23277448 : specmult1(lay) = 8._r8*(specparm1(lay))
2465 23277448 : js1(lay) = 1 + int(specmult1(lay))
2466 23277448 : fs1(lay) = mod(specmult1(lay),1.0_r8)
2467 :
2468 23277448 : speccomb_mco2(lay) = colh2o(lay) + refrat_m_a*coln2o(lay)
2469 23277448 : specparm_mco2(lay) = colh2o(lay)/speccomb_mco2(lay)
2470 23277448 : if (specparm_mco2(lay) .ge. oneminus) specparm_mco2(lay) = oneminus
2471 23277448 : specmult_mco2(lay) = 8._r8*specparm_mco2(lay)
2472 23277448 : jmco2(lay) = 1 + int(specmult_mco2(lay))
2473 23277448 : fmco2(lay) = mod(specmult_mco2(lay),1.0_r8)
2474 :
2475 : ! In atmospheres where the amount of CO2 is too great to be considered
2476 : ! a minor species, adjust the column amount of CO2 by an empirical factor
2477 : ! to obtain the proper contribution.
2478 23277448 : chi_co2(lay) = colco2(lay)/(coldry(lay))
2479 23763448 : ratco2(lay) = 1.e20_r8*chi_co2(lay)/3.55e-4_r8
2480 : enddo
2481 23763448 : do lay = 1, laytrop
2482 23763448 : if (ratco2(lay) .gt. 3.0_r8) then
2483 0 : adjfac(lay) = 2.0_r8+(ratco2(lay)-2.0_r8)**0.68_r8
2484 0 : adjcolco2(lay) = adjfac(lay)*3.55e-4*coldry(lay)*1.e-20_r8
2485 : else
2486 23277448 : adjcolco2(lay) = colco2(lay)
2487 : endif
2488 :
2489 : enddo
2490 23763448 : do lay = 1, laytrop
2491 23277448 : speccomb_mco(lay) = colh2o(lay) + refrat_m_a3*coln2o(lay)
2492 23277448 : specparm_mco(lay) = colh2o(lay)/speccomb_mco(lay)
2493 23277448 : if (specparm_mco(lay) .ge. oneminus) specparm_mco(lay) = oneminus
2494 23277448 : specmult_mco(lay) = 8._r8*specparm_mco(lay)
2495 23277448 : jmco(lay) = 1 + int(specmult_mco(lay))
2496 23277448 : fmco(lay) = mod(specmult_mco(lay),1.0_r8)
2497 :
2498 23277448 : speccomb_planck(lay) = colh2o(lay)+refrat_planck_a*coln2o(lay)
2499 23277448 : specparm_planck(lay) = colh2o(lay)/speccomb_planck(lay)
2500 23277448 : if (specparm_planck(lay) .ge. oneminus) specparm_planck(lay)=oneminus
2501 23277448 : specmult_planck(lay) = 8._r8*specparm_planck(lay)
2502 23277448 : jpl(lay)= 1 + int(specmult_planck(lay))
2503 23277448 : fpl(lay) = mod(specmult_planck(lay),1.0_r8)
2504 :
2505 23277448 : ind0(lay) = ((jp(lay)-1)*5+(jt(lay)-1))*nspa(13) + js(lay)
2506 23763448 : ind1(lay) = (jp(lay)*5+(jt1(lay)-1))*nspa(13) + js1(lay)
2507 : enddo
2508 23763448 : do lay = 1, laytrop
2509 :
2510 23763448 : if (specparm(lay) .lt. 0.125_r8) then
2511 3650444 : p = fs(lay) - 1
2512 3650444 : p4 = p**4
2513 3650444 : fk0 = p4
2514 3650444 : fk1 = 1 - p - 2.0_r8*p4
2515 3650444 : fk2 = p + p4
2516 3650444 : fac000(lay) = fk0*fac00(lay)
2517 3650444 : fac100(lay) = fk1*fac00(lay)
2518 3650444 : fac200(lay) = fk2*fac00(lay)
2519 3650444 : fac010(lay) = fk0*fac10(lay)
2520 3650444 : fac110(lay) = fk1*fac10(lay)
2521 3650444 : fac210(lay) = fk2*fac10(lay)
2522 19627004 : else if (specparm(lay) .gt. 0.875_r8) then
2523 21290 : p = -fs(lay)
2524 21290 : p4 = p**4
2525 21290 : fk0 = p4
2526 21290 : fk1 = 1 - p - 2.0_r8*p4
2527 21290 : fk2 = p + p4
2528 21290 : fac000(lay) = fk0*fac00(lay)
2529 21290 : fac100(lay) = fk1*fac00(lay)
2530 21290 : fac200(lay) = fk2*fac00(lay)
2531 21290 : fac010(lay) = fk0*fac10(lay)
2532 21290 : fac110(lay) = fk1*fac10(lay)
2533 21290 : fac210(lay) = fk2*fac10(lay)
2534 : else
2535 19605714 : fac000(lay) = (1._r8 - fs(lay)) * fac00(lay)
2536 19605714 : fac010(lay) = (1._r8 - fs(lay)) * fac10(lay)
2537 19605714 : fac100(lay) = fs(lay) * fac00(lay)
2538 19605714 : fac110(lay) = fs(lay) * fac10(lay)
2539 : endif
2540 :
2541 : enddo
2542 23763448 : do lay = 1, laytrop
2543 23763448 : if (specparm1(lay) .lt. 0.125_r8) then
2544 1431721 : p = fs1(lay) - 1
2545 1431721 : p4 = p**4
2546 1431721 : fk0 = p4
2547 1431721 : fk1 = 1 - p - 2.0_r8*p4
2548 1431721 : fk2 = p + p4
2549 1431721 : fac001(lay) = fk0*fac01(lay)
2550 1431721 : fac101(lay) = fk1*fac01(lay)
2551 1431721 : fac201(lay) = fk2*fac01(lay)
2552 1431721 : fac011(lay) = fk0*fac11(lay)
2553 1431721 : fac111(lay) = fk1*fac11(lay)
2554 1431721 : fac211(lay) = fk2*fac11(lay)
2555 21845727 : else if (specparm1(lay) .gt. 0.875_r8) then
2556 607371 : p = -fs1(lay)
2557 607371 : p4 = p**4
2558 607371 : fk0 = p4
2559 607371 : fk1 = 1 - p - 2.0_r8*p4
2560 607371 : fk2 = p + p4
2561 607371 : fac001(lay) = fk0*fac01(lay)
2562 607371 : fac101(lay) = fk1*fac01(lay)
2563 607371 : fac201(lay) = fk2*fac01(lay)
2564 607371 : fac011(lay) = fk0*fac11(lay)
2565 607371 : fac111(lay) = fk1*fac11(lay)
2566 607371 : fac211(lay) = fk2*fac11(lay)
2567 : else
2568 21238356 : fac001(lay) = (1._r8 - fs1(lay)) * fac01(lay)
2569 21238356 : fac011(lay) = (1._r8 - fs1(lay)) * fac11(lay)
2570 21238356 : fac101(lay) = fs1(lay) * fac01(lay)
2571 21238356 : fac111(lay) = fs1(lay) * fac11(lay)
2572 : endif
2573 : enddo
2574 23763448 : do lay = 1, laytrop
2575 :
2576 116873240 : do ig = 1, ng13
2577 279329376 : tauself = selffac(lay)* (selfref(indself(lay),ig) + selffrac(lay) * &
2578 372439168 : (selfref(indself(lay)+1,ig) - selfref(indself(lay),ig)))
2579 186219584 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
2580 186219584 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
2581 279329376 : co2m1 = ka_mco2(jmco2(lay),indminor(lay),ig) + fmco2(lay) * &
2582 279329376 : (ka_mco2(jmco2(lay)+1,indminor(lay),ig) - ka_mco2(jmco2(lay),indminor(lay),ig))
2583 93109792 : co2m2 = ka_mco2(jmco2(lay),indminor(lay)+1,ig) + fmco2(lay) * &
2584 93109792 : (ka_mco2(jmco2(lay)+1,indminor(lay)+1,ig) - ka_mco2(jmco2(lay),indminor(lay)+1,ig))
2585 93109792 : absco2 = co2m1 + minorfrac(lay) * (co2m2 - co2m1)
2586 93109792 : com1 = ka_mco(jmco(lay),indminor(lay),ig) + fmco(lay) * &
2587 186219584 : (ka_mco(jmco(lay)+1,indminor(lay),ig) - ka_mco(jmco(lay),indminor(lay),ig))
2588 : com2 = ka_mco(jmco(lay),indminor(lay)+1,ig) + fmco(lay) * &
2589 93109792 : (ka_mco(jmco(lay)+1,indminor(lay)+1,ig) - ka_mco(jmco(lay),indminor(lay)+1,ig))
2590 93109792 : absco = com1 + minorfrac(lay) * (com2 - com1)
2591 :
2592 93109792 : if (specparm(lay) .lt. 0.125_r8) then
2593 : tau_major = speccomb(lay) * &
2594 14601776 : (fac000(lay) * absa(ind0(lay),ig) + &
2595 14601776 : fac100(lay) * absa(ind0(lay)+1,ig) + &
2596 14601776 : fac200(lay) * absa(ind0(lay)+2,ig) + &
2597 14601776 : fac010(lay) * absa(ind0(lay)+9,ig) + &
2598 14601776 : fac110(lay) * absa(ind0(lay)+10,ig) + &
2599 87610656 : fac210(lay) * absa(ind0(lay)+11,ig))
2600 78508016 : else if (specparm(lay) .gt. 0.875_r8) then
2601 : tau_major = speccomb(lay) * &
2602 85160 : (fac200(lay) * absa(ind0(lay)-1,ig) + &
2603 85160 : fac100(lay) * absa(ind0(lay),ig) + &
2604 85160 : fac000(lay) * absa(ind0(lay)+1,ig) + &
2605 85160 : fac210(lay) * absa(ind0(lay)+8,ig) + &
2606 85160 : fac110(lay) * absa(ind0(lay)+9,ig) + &
2607 510960 : fac010(lay) * absa(ind0(lay)+10,ig))
2608 : else
2609 : tau_major = speccomb(lay) * &
2610 78422856 : (fac000(lay) * absa(ind0(lay),ig) + &
2611 78422856 : fac100(lay) * absa(ind0(lay)+1,ig) + &
2612 78422856 : fac010(lay) * absa(ind0(lay)+9,ig) + &
2613 313691424 : fac110(lay) * absa(ind0(lay)+10,ig))
2614 : endif
2615 :
2616 93109792 : if (specparm1(lay) .lt. 0.125_r8) then
2617 : tau_major1 = speccomb1(lay) * &
2618 5726884 : (fac001(lay) * absa(ind1(lay),ig) + &
2619 5726884 : fac101(lay) * absa(ind1(lay)+1,ig) + &
2620 5726884 : fac201(lay) * absa(ind1(lay)+2,ig) + &
2621 5726884 : fac011(lay) * absa(ind1(lay)+9,ig) + &
2622 5726884 : fac111(lay) * absa(ind1(lay)+10,ig) + &
2623 34361304 : fac211(lay) * absa(ind1(lay)+11,ig))
2624 87382908 : else if (specparm1(lay) .gt. 0.875_r8) then
2625 : tau_major1 = speccomb1(lay) * &
2626 2429484 : (fac201(lay) * absa(ind1(lay)-1,ig) + &
2627 2429484 : fac101(lay) * absa(ind1(lay),ig) + &
2628 2429484 : fac001(lay) * absa(ind1(lay)+1,ig) + &
2629 2429484 : fac211(lay) * absa(ind1(lay)+8,ig) + &
2630 2429484 : fac111(lay) * absa(ind1(lay)+9,ig) + &
2631 14576904 : fac011(lay) * absa(ind1(lay)+10,ig))
2632 : else
2633 : tau_major1 = speccomb1(lay) * &
2634 84953424 : (fac001(lay) * absa(ind1(lay),ig) + &
2635 84953424 : fac101(lay) * absa(ind1(lay)+1,ig) + &
2636 84953424 : fac011(lay) * absa(ind1(lay)+9,ig) + &
2637 339813696 : fac111(lay) * absa(ind1(lay)+10,ig))
2638 : endif
2639 :
2640 93109792 : taug(lay,ngs12+ig) = tau_major + tau_major1 &
2641 : + tauself + taufor &
2642 : + adjcolco2(lay)*absco2 &
2643 186219584 : + colco(lay)*absco
2644 186219584 : fracs(lay,ngs12+ig) = fracrefa(ig,jpl(lay)) + fpl(lay) * &
2645 209497032 : (fracrefa(ig,jpl(lay)+1)-fracrefa(ig,jpl(lay)))
2646 : enddo
2647 : enddo
2648 :
2649 : ! Upper atmosphere loop
2650 22406552 : do lay = laytrop+1, nlayers
2651 110088760 : do ig = 1, ng13
2652 263046624 : abso3 = kb_mo3(indminor(lay),ig) + minorfrac(lay) * &
2653 350728832 : (kb_mo3(indminor(lay)+1,ig) - kb_mo3(indminor(lay),ig))
2654 87682208 : taug(lay,ngs12+ig) = colo3(lay)*abso3
2655 109602760 : fracs(lay,ngs12+ig) = fracrefb(ig)
2656 : enddo
2657 : enddo
2658 :
2659 486000 : end subroutine taugb13
2660 :
2661 : !----------------------------------------------------------------------------
2662 486000 : subroutine taugb14
2663 : !----------------------------------------------------------------------------
2664 : !
2665 : ! band 14: 2250-2380 cm-1 (low - co2; high - co2)
2666 : !----------------------------------------------------------------------------
2667 :
2668 : ! ------- Modules -------
2669 :
2670 : use parrrtm, only : ng14, ngs13
2671 : use rrlw_kg14, only : fracrefa, fracrefb, absa, absb, &
2672 : selfref, forref
2673 :
2674 : ! ------- Declarations -------
2675 :
2676 : ! Local
2677 972000 : integer :: lay, ind0(nlayers), ind1(nlayers), ig
2678 : real(kind=r8) :: tauself, taufor
2679 :
2680 :
2681 : ! Compute the optical depth by interpolating in ln(pressure) and
2682 : ! temperature. Below laytrop, the water vapor self-continuum
2683 : ! and foreign continuum is interpolated (in temperature) separately.
2684 :
2685 : ! Lower atmosphere loop
2686 23763448 : do lay = 1, laytrop
2687 23277448 : ind0(lay) = ((jp(lay)-1)*5+(jt(lay)-1))*nspa(14) + 1
2688 23277448 : ind1(lay) = (jp(lay)*5+(jt1(lay)-1))*nspa(14) + 1
2689 70318344 : do ig = 1, ng14
2690 139664688 : tauself = selffac(lay) * (selfref(indself(lay),ig) + selffrac(lay) * &
2691 139664688 : (selfref(indself(lay)+1,ig) - selfref(indself(lay),ig)))
2692 93109792 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
2693 93109792 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
2694 46554896 : taug(lay,ngs13+ig) = colco2(lay) * &
2695 93109792 : (fac00(lay) * absa(ind0(lay),ig) + &
2696 93109792 : fac10(lay) * absa(ind0(lay)+1,ig) + &
2697 93109792 : fac01(lay) * absa(ind1(lay),ig) + &
2698 93109792 : fac11(lay) * absa(ind1(lay)+1,ig)) &
2699 232774480 : + tauself + taufor
2700 69832344 : fracs(lay,ngs13+ig) = fracrefa(ig)
2701 : enddo
2702 : enddo
2703 :
2704 : ! Upper atmosphere loop
2705 22406552 : do lay = laytrop+1, nlayers
2706 21920552 : ind0(lay) = ((jp(lay)-13)*5+(jt(lay)-1))*nspb(14) + 1
2707 21920552 : ind1(lay) = ((jp(lay)-12)*5+(jt1(lay)-1))*nspb(14) + 1
2708 66247656 : do ig = 1, ng14
2709 43841104 : taug(lay,ngs13+ig) = colco2(lay) * &
2710 131523312 : (fac00(lay) * absb(ind0(lay),ig) + &
2711 87682208 : fac10(lay) * absb(ind0(lay)+1,ig) + &
2712 87682208 : fac01(lay) * absb(ind1(lay),ig) + &
2713 263046624 : fac11(lay) * absb(ind1(lay)+1,ig))
2714 65761656 : fracs(lay,ngs13+ig) = fracrefb(ig)
2715 : enddo
2716 : enddo
2717 :
2718 486000 : end subroutine taugb14
2719 :
2720 : !----------------------------------------------------------------------------
2721 486000 : subroutine taugb15
2722 : !----------------------------------------------------------------------------
2723 : !
2724 : ! band 15: 2380-2600 cm-1 (low - n2o,co2; low minor - n2)
2725 : ! (high - nothing)
2726 : !----------------------------------------------------------------------------
2727 :
2728 : ! ------- Modules -------
2729 :
2730 : use parrrtm, only : ng15, ngs14
2731 : use rrlw_ref, only : chi_mls
2732 : use rrlw_kg15, only : fracrefa, absa, &
2733 : ka_mn2, selfref, forref
2734 :
2735 : ! ------- Declarations -------
2736 :
2737 : ! Local
2738 972000 : integer :: lay, ind0(nlayers), ind1(nlayers), ig
2739 972000 : integer, dimension(nlayers) :: js, js1, jmn2, jpl
2740 972000 : real(kind=r8), dimension(nlayers) :: speccomb, specparm, specmult, fs
2741 972000 : real(kind=r8), dimension(nlayers) :: speccomb1, specparm1, specmult1, fs1
2742 972000 : real(kind=r8), dimension(nlayers) :: speccomb_mn2, specparm_mn2, specmult_mn2, fmn2
2743 972000 : real(kind=r8), dimension(nlayers) :: speccomb_planck, specparm_planck, specmult_planck, fpl
2744 : real(kind=r8) :: p, p4, fk0, fk1, fk2
2745 972000 : real(kind=r8), dimension(nlayers) :: fac000, fac100, fac200, fac010, fac110, fac210
2746 972000 : real(kind=r8), dimension(nlayers) :: fac001, fac101, fac201, fac011, fac111, fac211
2747 972000 : real(kind=r8) :: scalen2(nlayers), tauself, taufor, n2m1, n2m2, taun2
2748 : real(kind=r8) :: refrat_planck_a, refrat_m_a
2749 : real(kind=r8) :: tau_major, tau_major1
2750 :
2751 :
2752 : ! Minor gas mapping level :
2753 : ! Lower - Nitrogen Continuum, P = 1053., T = 294.
2754 :
2755 : ! Calculate reference ratio to be used in calculation of Planck
2756 : ! fraction in lower atmosphere.
2757 : ! P = 1053. mb (Level 1)
2758 486000 : refrat_planck_a = chi_mls(4,1)/chi_mls(2,1)
2759 :
2760 : ! P = 1053.
2761 486000 : refrat_m_a = chi_mls(4,1)/chi_mls(2,1)
2762 :
2763 : ! Compute the optical depth by interpolating in ln(pressure),
2764 : ! temperature, and appropriate species. Below laytrop, the water
2765 : ! vapor self-continuum and foreign continuum is interpolated
2766 : ! (in temperature) separately.
2767 :
2768 : ! Lower atmosphere loop
2769 23763448 : do lay = 1, laytrop
2770 :
2771 23277448 : speccomb(lay) = coln2o(lay) + rat_n2oco2(lay)*colco2(lay)
2772 23277448 : specparm(lay) = coln2o(lay)/speccomb(lay)
2773 23277448 : if (specparm(lay) .ge. oneminus) specparm(lay) = oneminus
2774 23277448 : specmult(lay) = 8._r8*(specparm(lay))
2775 23277448 : js(lay) = 1 + int(specmult(lay))
2776 23277448 : fs(lay) = mod(specmult(lay),1.0_r8)
2777 :
2778 23277448 : speccomb1(lay) = coln2o(lay) + rat_n2oco2_1(lay)*colco2(lay)
2779 23277448 : specparm1(lay) = coln2o(lay)/speccomb1(lay)
2780 23277448 : if (specparm1(lay) .ge. oneminus) specparm1(lay) = oneminus
2781 23277448 : specmult1(lay) = 8._r8*(specparm1(lay))
2782 23277448 : js1(lay) = 1 + int(specmult1(lay))
2783 23277448 : fs1(lay) = mod(specmult1(lay),1.0_r8)
2784 :
2785 23277448 : speccomb_mn2(lay) = coln2o(lay) + refrat_m_a*colco2(lay)
2786 23277448 : specparm_mn2(lay) = coln2o(lay)/speccomb_mn2(lay)
2787 23277448 : if (specparm_mn2(lay) .ge. oneminus) specparm_mn2(lay) = oneminus
2788 23277448 : specmult_mn2(lay) = 8._r8*specparm_mn2(lay)
2789 23277448 : jmn2(lay) = 1 + int(specmult_mn2(lay))
2790 23277448 : fmn2(lay) = mod(specmult_mn2(lay),1.0_r8)
2791 :
2792 23277448 : speccomb_planck(lay) = coln2o(lay)+refrat_planck_a*colco2(lay)
2793 23277448 : specparm_planck(lay) = coln2o(lay)/speccomb_planck(lay)
2794 23277448 : if (specparm_planck(lay) .ge. oneminus) specparm_planck(lay)=oneminus
2795 23277448 : specmult_planck(lay) = 8._r8*specparm_planck(lay)
2796 23277448 : jpl(lay)= 1 + int(specmult_planck(lay))
2797 23277448 : fpl(lay) = mod(specmult_planck(lay),1.0_r8)
2798 :
2799 23277448 : ind0(lay) = ((jp(lay)-1)*5+(jt(lay)-1))*nspa(15) + js(lay)
2800 23277448 : ind1(lay) = (jp(lay)*5+(jt1(lay)-1))*nspa(15) + js1(lay)
2801 :
2802 23763448 : scalen2(lay) = colbrd(lay)*scaleminor(lay)
2803 : enddo
2804 23763448 : do lay = 1, laytrop
2805 23763448 : if (specparm(lay) .lt. 0.125_r8) then
2806 0 : p = fs(lay) - 1
2807 0 : p4 = p**4
2808 0 : fk0 = p4
2809 0 : fk1 = 1 - p - 2.0_r8*p4
2810 0 : fk2 = p + p4
2811 0 : fac000(lay) = fk0*fac00(lay)
2812 0 : fac100(lay) = fk1*fac00(lay)
2813 0 : fac200(lay) = fk2*fac00(lay)
2814 0 : fac010(lay) = fk0*fac10(lay)
2815 0 : fac110(lay) = fk1*fac10(lay)
2816 0 : fac210(lay) = fk2*fac10(lay)
2817 23277448 : else if (specparm(lay) .gt. 0.875_r8) then
2818 0 : p = -fs(lay)
2819 0 : p4 = p**4
2820 0 : fk0 = p4
2821 0 : fk1 = 1 - p - 2.0_r8*p4
2822 0 : fk2 = p + p4
2823 0 : fac000(lay) = fk0*fac00(lay)
2824 0 : fac100(lay) = fk1*fac00(lay)
2825 0 : fac200(lay) = fk2*fac00(lay)
2826 0 : fac010(lay) = fk0*fac10(lay)
2827 0 : fac110(lay) = fk1*fac10(lay)
2828 0 : fac210(lay) = fk2*fac10(lay)
2829 : else
2830 23277448 : fac000(lay) = (1._r8 - fs(lay)) * fac00(lay)
2831 23277448 : fac010(lay) = (1._r8 - fs(lay)) * fac10(lay)
2832 23277448 : fac100(lay) = fs(lay) * fac00(lay)
2833 23277448 : fac110(lay) = fs(lay) * fac10(lay)
2834 : endif
2835 : enddo
2836 23763448 : do lay = 1, laytrop
2837 23763448 : if (specparm1(lay) .lt. 0.125_r8) then
2838 0 : p = fs1(lay) - 1
2839 0 : p4 = p**4
2840 0 : fk0 = p4
2841 0 : fk1 = 1 - p - 2.0_r8*p4
2842 0 : fk2 = p + p4
2843 0 : fac001(lay) = fk0*fac01(lay)
2844 0 : fac101(lay) = fk1*fac01(lay)
2845 0 : fac201(lay) = fk2*fac01(lay)
2846 0 : fac011(lay) = fk0*fac11(lay)
2847 0 : fac111(lay) = fk1*fac11(lay)
2848 0 : fac211(lay) = fk2*fac11(lay)
2849 23277448 : else if (specparm1(lay) .gt. 0.875_r8) then
2850 0 : p = -fs1(lay)
2851 0 : p4 = p**4
2852 0 : fk0 = p4
2853 0 : fk1 = 1 - p - 2.0_r8*p4
2854 0 : fk2 = p + p4
2855 0 : fac001(lay) = fk0*fac01(lay)
2856 0 : fac101(lay) = fk1*fac01(lay)
2857 0 : fac201(lay) = fk2*fac01(lay)
2858 0 : fac011(lay) = fk0*fac11(lay)
2859 0 : fac111(lay) = fk1*fac11(lay)
2860 0 : fac211(lay) = fk2*fac11(lay)
2861 : else
2862 23277448 : fac001(lay) = (1._r8 - fs1(lay)) * fac01(lay)
2863 23277448 : fac011(lay) = (1._r8 - fs1(lay)) * fac11(lay)
2864 23277448 : fac101(lay) = fs1(lay) * fac01(lay)
2865 23277448 : fac111(lay) = fs1(lay) * fac11(lay)
2866 : endif
2867 :
2868 : enddo
2869 23763448 : do lay = 1, laytrop
2870 70318344 : do ig = 1, ng15
2871 139664688 : tauself = selffac(lay)* (selfref(indself(lay),ig) + selffrac(lay) * &
2872 186219584 : (selfref(indself(lay)+1,ig) - selfref(indself(lay),ig)))
2873 93109792 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
2874 93109792 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
2875 139664688 : n2m1 = ka_mn2(jmn2(lay),indminor(lay),ig) + fmn2(lay) * &
2876 139664688 : (ka_mn2(jmn2(lay)+1,indminor(lay),ig) - ka_mn2(jmn2(lay),indminor(lay),ig))
2877 46554896 : n2m2 = ka_mn2(jmn2(lay),indminor(lay)+1,ig) + fmn2(lay) * &
2878 46554896 : (ka_mn2(jmn2(lay)+1,indminor(lay)+1,ig) - ka_mn2(jmn2(lay),indminor(lay)+1,ig))
2879 46554896 : taun2 = scalen2(lay) * (n2m1 + minorfrac(lay) * (n2m2 - n2m1))
2880 :
2881 46554896 : if (specparm(lay) .lt. 0.125_r8) then
2882 : tau_major = speccomb(lay) * &
2883 0 : (fac000(lay) * absa(ind0(lay),ig) + &
2884 0 : fac100(lay) * absa(ind0(lay)+1,ig) + &
2885 0 : fac200(lay) * absa(ind0(lay)+2,ig) + &
2886 0 : fac010(lay) * absa(ind0(lay)+9,ig) + &
2887 0 : fac110(lay) * absa(ind0(lay)+10,ig) + &
2888 0 : fac210(lay) * absa(ind0(lay)+11,ig))
2889 46554896 : else if (specparm(lay) .gt. 0.875_r8) then
2890 : tau_major = speccomb(lay) * &
2891 0 : (fac200(lay) * absa(ind0(lay)-1,ig) + &
2892 0 : fac100(lay) * absa(ind0(lay),ig) + &
2893 0 : fac000(lay) * absa(ind0(lay)+1,ig) + &
2894 0 : fac210(lay) * absa(ind0(lay)+8,ig) + &
2895 0 : fac110(lay) * absa(ind0(lay)+9,ig) + &
2896 0 : fac010(lay) * absa(ind0(lay)+10,ig))
2897 : else
2898 : tau_major = speccomb(lay) * &
2899 46554896 : (fac000(lay) * absa(ind0(lay),ig) + &
2900 46554896 : fac100(lay) * absa(ind0(lay)+1,ig) + &
2901 46554896 : fac010(lay) * absa(ind0(lay)+9,ig) + &
2902 186219584 : fac110(lay) * absa(ind0(lay)+10,ig))
2903 : endif
2904 :
2905 46554896 : if (specparm1(lay) .lt. 0.125_r8) then
2906 : tau_major1 = speccomb1(lay) * &
2907 0 : (fac001(lay) * absa(ind1(lay),ig) + &
2908 0 : fac101(lay) * absa(ind1(lay)+1,ig) + &
2909 0 : fac201(lay) * absa(ind1(lay)+2,ig) + &
2910 0 : fac011(lay) * absa(ind1(lay)+9,ig) + &
2911 0 : fac111(lay) * absa(ind1(lay)+10,ig) + &
2912 0 : fac211(lay) * absa(ind1(lay)+11,ig))
2913 46554896 : else if (specparm1(lay) .gt. 0.875_r8) then
2914 : tau_major1 = speccomb1(lay) * &
2915 0 : (fac201(lay) * absa(ind1(lay)-1,ig) + &
2916 0 : fac101(lay) * absa(ind1(lay),ig) + &
2917 0 : fac001(lay) * absa(ind1(lay)+1,ig) + &
2918 0 : fac211(lay) * absa(ind1(lay)+8,ig) + &
2919 0 : fac111(lay) * absa(ind1(lay)+9,ig) + &
2920 0 : fac011(lay) * absa(ind1(lay)+10,ig))
2921 : else
2922 : tau_major1 = speccomb1(lay) * &
2923 46554896 : (fac001(lay) * absa(ind1(lay),ig) + &
2924 46554896 : fac101(lay) * absa(ind1(lay)+1,ig) + &
2925 46554896 : fac011(lay) * absa(ind1(lay)+9,ig) + &
2926 186219584 : fac111(lay) * absa(ind1(lay)+10,ig))
2927 : endif
2928 :
2929 46554896 : taug(lay,ngs14+ig) = tau_major + tau_major1 &
2930 : + tauself + taufor &
2931 46554896 : + taun2
2932 93109792 : fracs(lay,ngs14+ig) = fracrefa(ig,jpl(lay)) + fpl(lay) * &
2933 116387240 : (fracrefa(ig,jpl(lay)+1)-fracrefa(ig,jpl(lay)))
2934 : enddo
2935 : enddo
2936 :
2937 : ! Upper atmosphere loop
2938 22406552 : do lay = laytrop+1, nlayers
2939 66247656 : do ig = 1, ng15
2940 43841104 : taug(lay,ngs14+ig) = 0.0_r8
2941 65761656 : fracs(lay,ngs14+ig) = 0.0_r8
2942 : enddo
2943 : enddo
2944 :
2945 486000 : end subroutine taugb15
2946 :
2947 : !----------------------------------------------------------------------------
2948 486000 : subroutine taugb16
2949 : !----------------------------------------------------------------------------
2950 : !
2951 : ! band 16: 2600-3250 cm-1 (low key- h2o,ch4; high key - ch4)
2952 : !----------------------------------------------------------------------------
2953 :
2954 : ! ------- Modules -------
2955 :
2956 : use parrrtm, only : ng16, ngs15
2957 : use rrlw_ref, only : chi_mls
2958 : use rrlw_kg16, only : fracrefa, fracrefb, absa, absb, &
2959 : selfref, forref
2960 :
2961 : ! ------- Declarations -------
2962 :
2963 : ! Local
2964 972000 : integer :: lay, ind0(nlayers), ind1(nlayers), ig
2965 972000 : integer, dimension(nlayers) :: js, js1, jpl
2966 972000 : real(kind=r8), dimension(nlayers) :: speccomb, specparm, specmult, fs
2967 972000 : real(kind=r8), dimension(nlayers) :: speccomb1, specparm1, specmult1, fs1
2968 972000 : real(kind=r8), dimension(nlayers) :: speccomb_planck, specparm_planck, specmult_planck, fpl
2969 : real(kind=r8) :: p, p4, fk0, fk1, fk2
2970 972000 : real(kind=r8), dimension(nlayers) :: fac000, fac100, fac200, fac010, fac110, fac210
2971 972000 : real(kind=r8), dimension(nlayers) :: fac001, fac101, fac201, fac011, fac111, fac211
2972 : real(kind=r8) :: tauself, taufor
2973 : real(kind=r8) :: refrat_planck_a
2974 : real(kind=r8) :: tau_major, tau_major1
2975 :
2976 :
2977 : ! Calculate reference ratio to be used in calculation of Planck
2978 : ! fraction in lower atmosphere.
2979 :
2980 : ! P = 387. mb (Level 6)
2981 486000 : refrat_planck_a = chi_mls(1,6)/chi_mls(6,6)
2982 :
2983 : ! Compute the optical depth by interpolating in ln(pressure),
2984 : ! temperature,and appropriate species. Below laytrop, the water
2985 : ! vapor self-continuum and foreign continuum is interpolated
2986 : ! (in temperature) separately.
2987 :
2988 : ! Lower atmosphere loop
2989 23763448 : do lay = 1, laytrop
2990 :
2991 23277448 : speccomb(lay) = colh2o(lay) + rat_h2och4(lay)*colch4(lay)
2992 23277448 : specparm(lay) = colh2o(lay)/speccomb(lay)
2993 23277448 : if (specparm(lay) .ge. oneminus) specparm(lay) = oneminus
2994 23277448 : specmult(lay) = 8._r8*(specparm(lay))
2995 23277448 : js(lay) = 1 + int(specmult(lay))
2996 23277448 : fs(lay) = mod(specmult(lay),1.0_r8)
2997 :
2998 23277448 : speccomb1(lay) = colh2o(lay) + rat_h2och4_1(lay)*colch4(lay)
2999 23277448 : specparm1(lay) = colh2o(lay)/speccomb1(lay)
3000 23277448 : if (specparm1(lay) .ge. oneminus) specparm1(lay) = oneminus
3001 23277448 : specmult1(lay) = 8._r8*(specparm1(lay))
3002 23277448 : js1(lay) = 1 + int(specmult1(lay))
3003 23277448 : fs1(lay) = mod(specmult1(lay),1.0_r8)
3004 :
3005 23277448 : speccomb_planck(lay) = colh2o(lay)+refrat_planck_a*colch4(lay)
3006 23277448 : specparm_planck(lay) = colh2o(lay)/speccomb_planck(lay)
3007 23277448 : if (specparm_planck(lay) .ge. oneminus) specparm_planck(lay)=oneminus
3008 23277448 : specmult_planck(lay) = 8._r8*specparm_planck(lay)
3009 23277448 : jpl(lay)= 1 + int(specmult_planck(lay))
3010 23277448 : fpl(lay) = mod(specmult_planck(lay),1.0_r8)
3011 :
3012 23277448 : ind0(lay) = ((jp(lay)-1)*5+(jt(lay)-1))*nspa(16) + js(lay)
3013 23763448 : ind1(lay) = (jp(lay)*5+(jt1(lay)-1))*nspa(16) + js1(lay)
3014 : enddo
3015 23763448 : do lay = 1, laytrop
3016 23763448 : if (specparm(lay) .lt. 0.125_r8) then
3017 3886970 : p = fs(lay) - 1
3018 3886970 : p4 = p**4
3019 3886970 : fk0 = p4
3020 3886970 : fk1 = 1 - p - 2.0_r8*p4
3021 3886970 : fk2 = p + p4
3022 3886970 : fac000(lay) = fk0*fac00(lay)
3023 3886970 : fac100(lay) = fk1*fac00(lay)
3024 3886970 : fac200(lay) = fk2*fac00(lay)
3025 3886970 : fac010(lay) = fk0*fac10(lay)
3026 3886970 : fac110(lay) = fk1*fac10(lay)
3027 3886970 : fac210(lay) = fk2*fac10(lay)
3028 19390478 : else if (specparm(lay) .gt. 0.875_r8) then
3029 14858 : p = -fs(lay)
3030 14858 : p4 = p**4
3031 14858 : fk0 = p4
3032 14858 : fk1 = 1 - p - 2.0_r8*p4
3033 14858 : fk2 = p + p4
3034 14858 : fac000(lay) = fk0*fac00(lay)
3035 14858 : fac100(lay) = fk1*fac00(lay)
3036 14858 : fac200(lay) = fk2*fac00(lay)
3037 14858 : fac010(lay) = fk0*fac10(lay)
3038 14858 : fac110(lay) = fk1*fac10(lay)
3039 14858 : fac210(lay) = fk2*fac10(lay)
3040 : else
3041 19375620 : fac000(lay) = (1._r8 - fs(lay)) * fac00(lay)
3042 19375620 : fac010(lay) = (1._r8 - fs(lay)) * fac10(lay)
3043 19375620 : fac100(lay) = fs(lay) * fac00(lay)
3044 19375620 : fac110(lay) = fs(lay) * fac10(lay)
3045 : endif
3046 : enddo
3047 23763448 : do lay = 1, laytrop
3048 :
3049 23763448 : if (specparm1(lay) .lt. 0.125_r8) then
3050 1558856 : p = fs1(lay) - 1
3051 1558856 : p4 = p**4
3052 1558856 : fk0 = p4
3053 1558856 : fk1 = 1 - p - 2.0_r8*p4
3054 1558856 : fk2 = p + p4
3055 1558856 : fac001(lay) = fk0*fac01(lay)
3056 1558856 : fac101(lay) = fk1*fac01(lay)
3057 1558856 : fac201(lay) = fk2*fac01(lay)
3058 1558856 : fac011(lay) = fk0*fac11(lay)
3059 1558856 : fac111(lay) = fk1*fac11(lay)
3060 1558856 : fac211(lay) = fk2*fac11(lay)
3061 21718592 : else if (specparm1(lay) .gt. 0.875_r8) then
3062 514158 : p = -fs1(lay)
3063 514158 : p4 = p**4
3064 514158 : fk0 = p4
3065 514158 : fk1 = 1 - p - 2.0_r8*p4
3066 514158 : fk2 = p + p4
3067 514158 : fac001(lay) = fk0*fac01(lay)
3068 514158 : fac101(lay) = fk1*fac01(lay)
3069 514158 : fac201(lay) = fk2*fac01(lay)
3070 514158 : fac011(lay) = fk0*fac11(lay)
3071 514158 : fac111(lay) = fk1*fac11(lay)
3072 514158 : fac211(lay) = fk2*fac11(lay)
3073 : else
3074 21204434 : fac001(lay) = (1._r8 - fs1(lay)) * fac01(lay)
3075 21204434 : fac011(lay) = (1._r8 - fs1(lay)) * fac11(lay)
3076 21204434 : fac101(lay) = fs1(lay) * fac01(lay)
3077 21204434 : fac111(lay) = fs1(lay) * fac11(lay)
3078 : endif
3079 : enddo
3080 23763448 : do lay = 1, laytrop
3081 :
3082 70318344 : do ig = 1, ng16
3083 139664688 : tauself = selffac(lay)* (selfref(indself(lay),ig) + selffrac(lay) * &
3084 186219584 : (selfref(indself(lay)+1,ig) - selfref(indself(lay),ig)))
3085 93109792 : taufor = forfac(lay) * (forref(indfor(lay),ig) + forfrac(lay) * &
3086 93109792 : (forref(indfor(lay)+1,ig) - forref(indfor(lay),ig)))
3087 :
3088 46554896 : if (specparm(lay) .lt. 0.125_r8) then
3089 : tau_major = speccomb(lay) * &
3090 7773940 : (fac000(lay) * absa(ind0(lay),ig) + &
3091 7773940 : fac100(lay) * absa(ind0(lay)+1,ig) + &
3092 7773940 : fac200(lay) * absa(ind0(lay)+2,ig) + &
3093 7773940 : fac010(lay) * absa(ind0(lay)+9,ig) + &
3094 7773940 : fac110(lay) * absa(ind0(lay)+10,ig) + &
3095 46643640 : fac210(lay) * absa(ind0(lay)+11,ig))
3096 38780956 : else if (specparm(lay) .gt. 0.875_r8) then
3097 : tau_major = speccomb(lay) * &
3098 29716 : (fac200(lay) * absa(ind0(lay)-1,ig) + &
3099 29716 : fac100(lay) * absa(ind0(lay),ig) + &
3100 29716 : fac000(lay) * absa(ind0(lay)+1,ig) + &
3101 29716 : fac210(lay) * absa(ind0(lay)+8,ig) + &
3102 29716 : fac110(lay) * absa(ind0(lay)+9,ig) + &
3103 178296 : fac010(lay) * absa(ind0(lay)+10,ig))
3104 : else
3105 : tau_major = speccomb(lay) * &
3106 38751240 : (fac000(lay) * absa(ind0(lay),ig) + &
3107 38751240 : fac100(lay) * absa(ind0(lay)+1,ig) + &
3108 38751240 : fac010(lay) * absa(ind0(lay)+9,ig) + &
3109 155004960 : fac110(lay) * absa(ind0(lay)+10,ig))
3110 : endif
3111 :
3112 46554896 : if (specparm1(lay) .lt. 0.125_r8) then
3113 : tau_major1 = speccomb1(lay) * &
3114 3117712 : (fac001(lay) * absa(ind1(lay),ig) + &
3115 3117712 : fac101(lay) * absa(ind1(lay)+1,ig) + &
3116 3117712 : fac201(lay) * absa(ind1(lay)+2,ig) + &
3117 3117712 : fac011(lay) * absa(ind1(lay)+9,ig) + &
3118 3117712 : fac111(lay) * absa(ind1(lay)+10,ig) + &
3119 18706272 : fac211(lay) * absa(ind1(lay)+11,ig))
3120 43437184 : else if (specparm1(lay) .gt. 0.875_r8) then
3121 : tau_major1 = speccomb1(lay) * &
3122 1028316 : (fac201(lay) * absa(ind1(lay)-1,ig) + &
3123 1028316 : fac101(lay) * absa(ind1(lay),ig) + &
3124 1028316 : fac001(lay) * absa(ind1(lay)+1,ig) + &
3125 1028316 : fac211(lay) * absa(ind1(lay)+8,ig) + &
3126 1028316 : fac111(lay) * absa(ind1(lay)+9,ig) + &
3127 6169896 : fac011(lay) * absa(ind1(lay)+10,ig))
3128 : else
3129 : tau_major1 = speccomb1(lay) * &
3130 42408868 : (fac001(lay) * absa(ind1(lay),ig) + &
3131 42408868 : fac101(lay) * absa(ind1(lay)+1,ig) + &
3132 42408868 : fac011(lay) * absa(ind1(lay)+9,ig) + &
3133 169635472 : fac111(lay) * absa(ind1(lay)+10,ig))
3134 : endif
3135 :
3136 46554896 : taug(lay,ngs15+ig) = tau_major + tau_major1 &
3137 46554896 : + tauself + taufor
3138 93109792 : fracs(lay,ngs15+ig) = fracrefa(ig,jpl(lay)) + fpl(lay) * &
3139 116387240 : (fracrefa(ig,jpl(lay)+1)-fracrefa(ig,jpl(lay)))
3140 : enddo
3141 : enddo
3142 :
3143 : ! Upper atmosphere loop
3144 22406552 : do lay = laytrop+1, nlayers
3145 21920552 : ind0(lay) = ((jp(lay)-13)*5+(jt(lay)-1))*nspb(16) + 1
3146 22406552 : ind1(lay) = ((jp(lay)-12)*5+(jt1(lay)-1))*nspb(16) + 1
3147 : enddo
3148 22406552 : do lay = laytrop+1, nlayers
3149 66247656 : do ig = 1, ng16
3150 87682208 : taug(lay,ngs15+ig) = colch4(lay) * &
3151 131523312 : (fac00(lay) * absb(ind0(lay),ig) + &
3152 87682208 : fac10(lay) * absb(ind0(lay)+1,ig) + &
3153 87682208 : fac01(lay) * absb(ind1(lay),ig) + &
3154 306887728 : fac11(lay) * absb(ind1(lay)+1,ig))
3155 65761656 : fracs(lay,ngs15+ig) = fracrefb(ig)
3156 : enddo
3157 : enddo
3158 :
3159 486000 : end subroutine taugb16
3160 :
3161 : end subroutine taumol
3162 :
3163 : end module rrtmg_lw_taumol
3164 :
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