1 |
module sw2s_m |
2 |
|
3 |
IMPLICIT NONE |
4 |
|
5 |
contains |
6 |
|
7 |
SUBROUTINE sw2s(knu, flag_aer, tauae, pizae, cgae, paki, palbd, palbp, & |
8 |
pcg, pcld, pclear, pdsig, pomega, poz, prmu, psec, ptau, pud, & |
9 |
pwv, pqs, pfdown, pfup) |
10 |
USE dimens_m |
11 |
USE dimphy |
12 |
USE raddim |
13 |
USE radepsi |
14 |
use swclr_m, only: swclr |
15 |
use swde_m, only: swde |
16 |
use swr_m, only: swr |
17 |
|
18 |
! ------------------------------------------------------------------ |
19 |
! PURPOSE. |
20 |
! -------- |
21 |
|
22 |
! THIS ROUTINE COMPUTES THE SHORTWAVE RADIATION FLUXES IN THE |
23 |
! SECOND SPECTRAL INTERVAL FOLLOWING FOUQUART AND BONNEL (1980). |
24 |
|
25 |
! METHOD. |
26 |
! ------- |
27 |
|
28 |
! 1. COMPUTES REFLECTIVITY/TRANSMISSIVITY CORRESPONDING TO |
29 |
! CONTINUUM SCATTERING |
30 |
! 2. COMPUTES REFLECTIVITY/TRANSMISSIVITY CORRESPONDING FOR |
31 |
! A GREY MOLECULAR ABSORPTION |
32 |
! 3. LAPLACE TRANSFORM ON THE PREVIOUS TO GET EFFECTIVE AMOUNTS |
33 |
! OF ABSORBERS |
34 |
! 4. APPLY H2O AND U.M.G. TRANSMISSION FUNCTIONS |
35 |
! 5. MULTIPLY BY OZONE TRANSMISSION FUNCTION |
36 |
|
37 |
! REFERENCE. |
38 |
! ---------- |
39 |
|
40 |
! SEE RADIATION'S PART OF THE ECMWF RESEARCH DEPARTMENT |
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! DOCUMENTATION, AND FOUQUART AND BONNEL (1980) |
42 |
|
43 |
! AUTHOR. |
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! ------- |
45 |
! JEAN-JACQUES MORCRETTE *ECMWF* |
46 |
|
47 |
! MODIFICATIONS. |
48 |
! -------------- |
49 |
! ORIGINAL : 89-07-14 |
50 |
! 94-11-15 J.-J. MORCRETTE DIRECT/DIFFUSE ALBEDO |
51 |
! ------------------------------------------------------------------ |
52 |
! * ARGUMENTS: |
53 |
|
54 |
INTEGER knu |
55 |
! -OB |
56 |
DOUBLE PRECISION flag_aer |
57 |
DOUBLE PRECISION tauae(kdlon, kflev, 2) |
58 |
DOUBLE PRECISION pizae(kdlon, kflev, 2) |
59 |
DOUBLE PRECISION cgae(kdlon, kflev, 2) |
60 |
DOUBLE PRECISION paki(kdlon, 2) |
61 |
DOUBLE PRECISION palbd(kdlon, 2) |
62 |
DOUBLE PRECISION palbp(kdlon, 2) |
63 |
DOUBLE PRECISION pcg(kdlon, 2, kflev) |
64 |
DOUBLE PRECISION pcld(kdlon, kflev) |
65 |
DOUBLE PRECISION pclear(kdlon) |
66 |
DOUBLE PRECISION pdsig(kdlon, kflev) |
67 |
DOUBLE PRECISION pomega(kdlon, 2, kflev) |
68 |
DOUBLE PRECISION poz(kdlon, kflev) |
69 |
DOUBLE PRECISION pqs(kdlon, kflev) |
70 |
DOUBLE PRECISION prmu(kdlon) |
71 |
DOUBLE PRECISION psec(kdlon) |
72 |
DOUBLE PRECISION ptau(kdlon, 2, kflev) |
73 |
DOUBLE PRECISION pud(kdlon, 5, kflev+1) |
74 |
DOUBLE PRECISION pwv(kdlon, kflev) |
75 |
|
76 |
DOUBLE PRECISION pfdown(kdlon, kflev+1) |
77 |
DOUBLE PRECISION pfup(kdlon, kflev+1) |
78 |
|
79 |
! * LOCAL VARIABLES: |
80 |
|
81 |
INTEGER iind2(2), iind3(3) |
82 |
DOUBLE PRECISION zcgaz(kdlon, kflev) |
83 |
DOUBLE PRECISION zfd(kdlon, kflev+1) |
84 |
DOUBLE PRECISION zfu(kdlon, kflev+1) |
85 |
DOUBLE PRECISION zg(kdlon) |
86 |
DOUBLE PRECISION zgg(kdlon) |
87 |
DOUBLE PRECISION zpizaz(kdlon, kflev) |
88 |
DOUBLE PRECISION zrayl(kdlon) |
89 |
DOUBLE PRECISION zray1(kdlon, kflev+1) |
90 |
DOUBLE PRECISION zray2(kdlon, kflev+1) |
91 |
DOUBLE PRECISION zref(kdlon) |
92 |
DOUBLE PRECISION zrefz(kdlon, 2, kflev+1) |
93 |
DOUBLE PRECISION zre1(kdlon) |
94 |
DOUBLE PRECISION zre2(kdlon) |
95 |
DOUBLE PRECISION zrj(kdlon, 6, kflev+1) |
96 |
DOUBLE PRECISION zrj0(kdlon, 6, kflev+1) |
97 |
DOUBLE PRECISION zrk(kdlon, 6, kflev+1) |
98 |
DOUBLE PRECISION zrk0(kdlon, 6, kflev+1) |
99 |
DOUBLE PRECISION zrl(kdlon, 8) |
100 |
DOUBLE PRECISION zrmue(kdlon, kflev+1) |
101 |
DOUBLE PRECISION zrmu0(kdlon, kflev+1) |
102 |
DOUBLE PRECISION zrmuz(kdlon) |
103 |
DOUBLE PRECISION zrneb(kdlon) |
104 |
DOUBLE PRECISION zr1(kdlon) |
105 |
DOUBLE PRECISION zr2(kdlon, 2) |
106 |
DOUBLE PRECISION zr3(kdlon, 3) |
107 |
DOUBLE PRECISION zr4(kdlon) |
108 |
DOUBLE PRECISION zr21(kdlon) |
109 |
DOUBLE PRECISION zr22(kdlon) |
110 |
DOUBLE PRECISION zs(kdlon) |
111 |
DOUBLE PRECISION ztauaz(kdlon, kflev) |
112 |
DOUBLE PRECISION zto1(kdlon) |
113 |
DOUBLE PRECISION ztr(kdlon, 2, kflev+1) |
114 |
DOUBLE PRECISION ztra1(kdlon, kflev+1) |
115 |
DOUBLE PRECISION ztra2(kdlon, kflev+1) |
116 |
DOUBLE PRECISION ztr1(kdlon) |
117 |
DOUBLE PRECISION ztr2(kdlon) |
118 |
DOUBLE PRECISION zw(kdlon) |
119 |
DOUBLE PRECISION zw1(kdlon) |
120 |
DOUBLE PRECISION zw2(kdlon, 2) |
121 |
DOUBLE PRECISION zw3(kdlon, 3) |
122 |
DOUBLE PRECISION zw4(kdlon) |
123 |
DOUBLE PRECISION zw5(kdlon) |
124 |
|
125 |
INTEGER jl, jk, k, jaj, ikm1, ikl, jn, jabs, jkm1 |
126 |
INTEGER jref, jkl, jklp1, jajp, jkki, jkkp4, jn2j, iabs |
127 |
DOUBLE PRECISION zrmum1, zwh2o, zcneb, zaa, zbb, zrki, zre11 |
128 |
|
129 |
! * Prescribed Data: |
130 |
|
131 |
DOUBLE PRECISION rsun(2) |
132 |
SAVE rsun |
133 |
DOUBLE PRECISION rray(2, 6) |
134 |
SAVE rray |
135 |
DATA rsun(1)/0.441676d0/ |
136 |
DATA rsun(2)/0.558324d0/ |
137 |
DATA (rray(1,k), k=1, 6)/.428937d-01, .890743d+00, -.288555d+01, & |
138 |
.522744d+01, -.469173d+01, .161645d+01/ |
139 |
DATA (rray(2,k), k=1, 6)/.697200d-02, .173297d-01, -.850903d-01, & |
140 |
.248261d+00, -.302031d+00, .129662d+00/ |
141 |
|
142 |
! ------------------------------------------------------------------ |
143 |
|
144 |
! * 1. SECOND SPECTRAL INTERVAL (0.68-4.00 MICRON) |
145 |
! ------------------------------------------- |
146 |
|
147 |
|
148 |
|
149 |
! * 1.1 OPTICAL THICKNESS FOR RAYLEIGH SCATTERING |
150 |
! ----------------------------------------- |
151 |
|
152 |
|
153 |
DO jl = 1, kdlon |
154 |
zrmum1 = 1. - prmu(jl) |
155 |
zrayl(jl) = rray(knu, 1) + zrmum1*(rray(knu,2)+zrmum1*(rray(knu, & |
156 |
3)+zrmum1*(rray(knu,4)+zrmum1*(rray(knu,5)+zrmum1*rray(knu,6))))) |
157 |
END DO |
158 |
|
159 |
|
160 |
! ------------------------------------------------------------------ |
161 |
|
162 |
! * 2. CONTINUUM SCATTERING CALCULATIONS |
163 |
! --------------------------------- |
164 |
|
165 |
|
166 |
! * 2.1 CLEAR-SKY FRACTION OF THE COLUMN |
167 |
! -------------------------------- |
168 |
|
169 |
|
170 |
CALL swclr(knu, flag_aer, tauae, pizae, cgae, palbp, pdsig, zrayl, & |
171 |
psec, zcgaz, zpizaz, zray1, zray2, zrefz, zrj0, zrk0, zrmu0, ztauaz, & |
172 |
ztra1, ztra2) |
173 |
|
174 |
|
175 |
! * 2.2 CLOUDY FRACTION OF THE COLUMN |
176 |
! ----------------------------- |
177 |
|
178 |
|
179 |
CALL swr(knu, palbd, pcg, pcld, pomega, psec, ptau, zcgaz, & |
180 |
zpizaz, zray1, zray2, zrefz, zrj, zrk, zrmue, ztauaz, ztra1, ztra2) |
181 |
|
182 |
|
183 |
! ------------------------------------------------------------------ |
184 |
|
185 |
! * 3. SCATTERING CALCULATIONS WITH GREY MOLECULAR ABSORPTION |
186 |
! ------------------------------------------------------ |
187 |
|
188 |
|
189 |
jn = 2 |
190 |
|
191 |
DO jabs = 1, 2 |
192 |
|
193 |
|
194 |
! * 3.1 SURFACE CONDITIONS |
195 |
! ------------------ |
196 |
|
197 |
|
198 |
DO jl = 1, kdlon |
199 |
zrefz(jl, 2, 1) = palbd(jl, knu) |
200 |
zrefz(jl, 1, 1) = palbd(jl, knu) |
201 |
END DO |
202 |
|
203 |
|
204 |
! * 3.2 INTRODUCING CLOUD EFFECTS |
205 |
! ------------------------- |
206 |
|
207 |
|
208 |
DO jk = 2, kflev + 1 |
209 |
jkm1 = jk - 1 |
210 |
ikl = kflev + 1 - jkm1 |
211 |
DO jl = 1, kdlon |
212 |
zrneb(jl) = pcld(jl, jkm1) |
213 |
IF (jabs==1 .AND. zrneb(jl)>2.*zeelog) THEN |
214 |
zwh2o = max(pwv(jl,jkm1), zeelog) |
215 |
zcneb = max(zeelog, min(zrneb(jl),1.-zeelog)) |
216 |
zbb = pud(jl, jabs, jkm1)*pqs(jl, jkm1)/zwh2o |
217 |
zaa = max((pud(jl,jabs,jkm1)-zcneb*zbb)/(1.-zcneb), zeelog) |
218 |
ELSE |
219 |
zaa = pud(jl, jabs, jkm1) |
220 |
zbb = zaa |
221 |
END IF |
222 |
zrki = paki(jl, jabs) |
223 |
zs(jl) = exp(-zrki*zaa*1.66) |
224 |
zg(jl) = exp(-zrki*zaa/zrmue(jl,jk)) |
225 |
ztr1(jl) = 0. |
226 |
zre1(jl) = 0. |
227 |
ztr2(jl) = 0. |
228 |
zre2(jl) = 0. |
229 |
|
230 |
zw(jl) = pomega(jl, knu, jkm1) |
231 |
zto1(jl) = ptau(jl, knu, jkm1)/zw(jl) + ztauaz(jl, jkm1)/zpizaz(jl, & |
232 |
jkm1) + zbb*zrki |
233 |
|
234 |
zr21(jl) = ptau(jl, knu, jkm1) + ztauaz(jl, jkm1) |
235 |
zr22(jl) = ptau(jl, knu, jkm1)/zr21(jl) |
236 |
zgg(jl) = zr22(jl)*pcg(jl, knu, jkm1) + (1.-zr22(jl))*zcgaz(jl, jkm1) |
237 |
zw(jl) = zr21(jl)/zto1(jl) |
238 |
zref(jl) = zrefz(jl, 1, jkm1) |
239 |
zrmuz(jl) = zrmue(jl, jk) |
240 |
END DO |
241 |
|
242 |
CALL swde(zgg, zref, zrmuz, zto1, zw, zre1, zre2, ztr1, ztr2) |
243 |
|
244 |
DO jl = 1, kdlon |
245 |
|
246 |
zrefz(jl, 2, jk) = (1.-zrneb(jl))*(zray1(jl,jkm1)+zrefz(jl,2,jkm1)* & |
247 |
ztra1(jl,jkm1)*ztra2(jl,jkm1))*zg(jl)*zs(jl) + zrneb(jl)*zre1(jl) |
248 |
|
249 |
ztr(jl, 2, jkm1) = zrneb(jl)*ztr1(jl) + (ztra1(jl,jkm1))*zg(jl)*(1.- & |
250 |
zrneb(jl)) |
251 |
|
252 |
zrefz(jl, 1, jk) = (1.-zrneb(jl))*(zray1(jl,jkm1)+zrefz(jl,1,jkm1)* & |
253 |
ztra1(jl,jkm1)*ztra2(jl,jkm1)/(1.-zray2(jl,jkm1)*zrefz(jl,1, & |
254 |
jkm1)))*zg(jl)*zs(jl) + zrneb(jl)*zre2(jl) |
255 |
|
256 |
ztr(jl, 1, jkm1) = zrneb(jl)*ztr2(jl) + (ztra1(jl,jkm1)/(1.-zray2(jl, & |
257 |
jkm1)*zrefz(jl,1,jkm1)))*zg(jl)*(1.-zrneb(jl)) |
258 |
|
259 |
END DO |
260 |
END DO |
261 |
|
262 |
! * 3.3 REFLECT./TRANSMISSIVITY BETWEEN SURFACE AND LEVEL |
263 |
! ------------------------------------------------- |
264 |
|
265 |
|
266 |
DO jref = 1, 2 |
267 |
|
268 |
jn = jn + 1 |
269 |
|
270 |
DO jl = 1, kdlon |
271 |
zrj(jl, jn, kflev+1) = 1. |
272 |
zrk(jl, jn, kflev+1) = zrefz(jl, jref, kflev+1) |
273 |
END DO |
274 |
|
275 |
DO jk = 1, kflev |
276 |
jkl = kflev + 1 - jk |
277 |
jklp1 = jkl + 1 |
278 |
DO jl = 1, kdlon |
279 |
zre11 = zrj(jl, jn, jklp1)*ztr(jl, jref, jkl) |
280 |
zrj(jl, jn, jkl) = zre11 |
281 |
zrk(jl, jn, jkl) = zre11*zrefz(jl, jref, jkl) |
282 |
END DO |
283 |
END DO |
284 |
END DO |
285 |
END DO |
286 |
|
287 |
|
288 |
! ------------------------------------------------------------------ |
289 |
|
290 |
! * 4. INVERT GREY AND CONTINUUM FLUXES |
291 |
! -------------------------------- |
292 |
|
293 |
|
294 |
|
295 |
! * 4.1 UPWARD (ZRK) AND DOWNWARD (ZRJ) PSEUDO-FLUXES |
296 |
! --------------------------------------------- |
297 |
|
298 |
|
299 |
DO jk = 1, kflev + 1 |
300 |
DO jaj = 1, 5, 2 |
301 |
jajp = jaj + 1 |
302 |
DO jl = 1, kdlon |
303 |
zrj(jl, jaj, jk) = zrj(jl, jaj, jk) - zrj(jl, jajp, jk) |
304 |
zrk(jl, jaj, jk) = zrk(jl, jaj, jk) - zrk(jl, jajp, jk) |
305 |
zrj(jl, jaj, jk) = max(zrj(jl,jaj,jk), zeelog) |
306 |
zrk(jl, jaj, jk) = max(zrk(jl,jaj,jk), zeelog) |
307 |
END DO |
308 |
END DO |
309 |
END DO |
310 |
|
311 |
DO jk = 1, kflev + 1 |
312 |
DO jaj = 2, 6, 2 |
313 |
DO jl = 1, kdlon |
314 |
zrj(jl, jaj, jk) = max(zrj(jl,jaj,jk), zeelog) |
315 |
zrk(jl, jaj, jk) = max(zrk(jl,jaj,jk), zeelog) |
316 |
END DO |
317 |
END DO |
318 |
END DO |
319 |
|
320 |
! * 4.2 EFFECTIVE ABSORBER AMOUNTS BY INVERSE LAPLACE |
321 |
! --------------------------------------------- |
322 |
|
323 |
|
324 |
DO jk = 1, kflev + 1 |
325 |
jkki = 1 |
326 |
DO jaj = 1, 2 |
327 |
iind2(1) = jaj |
328 |
iind2(2) = jaj |
329 |
DO jn = 1, 2 |
330 |
jn2j = jn + 2*jaj |
331 |
jkkp4 = jkki + 4 |
332 |
|
333 |
! * 4.2.1 EFFECTIVE ABSORBER AMOUNTS |
334 |
! -------------------------- |
335 |
|
336 |
|
337 |
DO jl = 1, kdlon |
338 |
zw2(jl, 1) = log(zrj(jl,jn,jk)/zrj(jl,jn2j,jk))/paki(jl, jaj) |
339 |
zw2(jl, 2) = log(zrk(jl,jn,jk)/zrk(jl,jn2j,jk))/paki(jl, jaj) |
340 |
END DO |
341 |
|
342 |
! * 4.2.2 TRANSMISSION FUNCTION |
343 |
! --------------------- |
344 |
|
345 |
|
346 |
CALL swtt1(knu, 2, iind2, zw2, zr2) |
347 |
|
348 |
DO jl = 1, kdlon |
349 |
zrl(jl, jkki) = zr2(jl, 1) |
350 |
zrl(jl, jkkp4) = zr2(jl, 2) |
351 |
END DO |
352 |
|
353 |
jkki = jkki + 1 |
354 |
END DO |
355 |
END DO |
356 |
|
357 |
! * 4.3 UPWARD AND DOWNWARD FLUXES WITH H2O AND UMG ABSORPTION |
358 |
! ------------------------------------------------------ |
359 |
|
360 |
|
361 |
DO jl = 1, kdlon |
362 |
pfdown(jl, jk) = zrj(jl, 1, jk)*zrl(jl, 1)*zrl(jl, 3) + & |
363 |
zrj(jl, 2, jk)*zrl(jl, 2)*zrl(jl, 4) |
364 |
pfup(jl, jk) = zrk(jl, 1, jk)*zrl(jl, 5)*zrl(jl, 7) + & |
365 |
zrk(jl, 2, jk)*zrl(jl, 6)*zrl(jl, 8) |
366 |
END DO |
367 |
END DO |
368 |
|
369 |
|
370 |
! ------------------------------------------------------------------ |
371 |
|
372 |
! * 5. MOLECULAR ABSORPTION ON CLEAR-SKY FLUXES |
373 |
! ---------------------------------------- |
374 |
|
375 |
|
376 |
|
377 |
! * 5.1 DOWNWARD FLUXES |
378 |
! --------------- |
379 |
|
380 |
|
381 |
jaj = 2 |
382 |
iind3(1) = 1 |
383 |
iind3(2) = 2 |
384 |
iind3(3) = 3 |
385 |
|
386 |
DO jl = 1, kdlon |
387 |
zw3(jl, 1) = 0. |
388 |
zw3(jl, 2) = 0. |
389 |
zw3(jl, 3) = 0. |
390 |
zw4(jl) = 0. |
391 |
zw5(jl) = 0. |
392 |
zr4(jl) = 1. |
393 |
zfd(jl, kflev+1) = zrj0(jl, jaj, kflev+1) |
394 |
END DO |
395 |
DO jk = 1, kflev |
396 |
ikl = kflev + 1 - jk |
397 |
DO jl = 1, kdlon |
398 |
zw3(jl, 1) = zw3(jl, 1) + pud(jl, 1, ikl)/zrmu0(jl, ikl) |
399 |
zw3(jl, 2) = zw3(jl, 2) + pud(jl, 2, ikl)/zrmu0(jl, ikl) |
400 |
zw3(jl, 3) = zw3(jl, 3) + poz(jl, ikl)/zrmu0(jl, ikl) |
401 |
zw4(jl) = zw4(jl) + pud(jl, 4, ikl)/zrmu0(jl, ikl) |
402 |
zw5(jl) = zw5(jl) + pud(jl, 5, ikl)/zrmu0(jl, ikl) |
403 |
END DO |
404 |
|
405 |
CALL swtt1(knu, 3, iind3, zw3, zr3) |
406 |
|
407 |
DO jl = 1, kdlon |
408 |
! ZR4(JL) = EXP(-RSWCE*ZW4(JL)-RSWCP*ZW5(JL)) |
409 |
zfd(jl, ikl) = zr3(jl, 1)*zr3(jl, 2)*zr3(jl, 3)*zr4(jl)* & |
410 |
zrj0(jl, jaj, ikl) |
411 |
END DO |
412 |
END DO |
413 |
|
414 |
|
415 |
! * 5.2 UPWARD FLUXES |
416 |
! ------------- |
417 |
|
418 |
|
419 |
DO jl = 1, kdlon |
420 |
zfu(jl, 1) = zfd(jl, 1)*palbp(jl, knu) |
421 |
END DO |
422 |
|
423 |
DO jk = 2, kflev + 1 |
424 |
ikm1 = jk - 1 |
425 |
DO jl = 1, kdlon |
426 |
zw3(jl, 1) = zw3(jl, 1) + pud(jl, 1, ikm1)*1.66 |
427 |
zw3(jl, 2) = zw3(jl, 2) + pud(jl, 2, ikm1)*1.66 |
428 |
zw3(jl, 3) = zw3(jl, 3) + poz(jl, ikm1)*1.66 |
429 |
zw4(jl) = zw4(jl) + pud(jl, 4, ikm1)*1.66 |
430 |
zw5(jl) = zw5(jl) + pud(jl, 5, ikm1)*1.66 |
431 |
END DO |
432 |
|
433 |
CALL swtt1(knu, 3, iind3, zw3, zr3) |
434 |
|
435 |
DO jl = 1, kdlon |
436 |
! ZR4(JL) = EXP(-RSWCE*ZW4(JL)-RSWCP*ZW5(JL)) |
437 |
zfu(jl, jk) = zr3(jl, 1)*zr3(jl, 2)*zr3(jl, 3)*zr4(jl)* & |
438 |
zrk0(jl, jaj, jk) |
439 |
END DO |
440 |
END DO |
441 |
|
442 |
|
443 |
! ------------------------------------------------------------------ |
444 |
|
445 |
! * 6. INTRODUCTION OF OZONE AND H2O CONTINUUM ABSORPTION |
446 |
! -------------------------------------------------- |
447 |
|
448 |
iabs = 3 |
449 |
|
450 |
! * 6.1 DOWNWARD FLUXES |
451 |
! --------------- |
452 |
|
453 |
DO jl = 1, kdlon |
454 |
zw1(jl) = 0. |
455 |
zw4(jl) = 0. |
456 |
zw5(jl) = 0. |
457 |
zr1(jl) = 0. |
458 |
pfdown(jl, kflev+1) = ((1.-pclear(jl))*pfdown(jl,kflev+1)+pclear(jl)*zfd( & |
459 |
jl,kflev+1))*rsun(knu) |
460 |
END DO |
461 |
|
462 |
DO jk = 1, kflev |
463 |
ikl = kflev + 1 - jk |
464 |
DO jl = 1, kdlon |
465 |
zw1(jl) = zw1(jl) + poz(jl, ikl)/zrmue(jl, ikl) |
466 |
zw4(jl) = zw4(jl) + pud(jl, 4, ikl)/zrmue(jl, ikl) |
467 |
zw5(jl) = zw5(jl) + pud(jl, 5, ikl)/zrmue(jl, ikl) |
468 |
! ZR4(JL) = EXP(-RSWCE*ZW4(JL)-RSWCP*ZW5(JL)) |
469 |
END DO |
470 |
|
471 |
CALL swtt(knu, iabs, zw1, zr1) |
472 |
|
473 |
DO jl = 1, kdlon |
474 |
pfdown(jl, ikl) = ((1.-pclear(jl))*zr1(jl)*zr4(jl)*pfdown(jl,ikl)+ & |
475 |
pclear(jl)*zfd(jl,ikl))*rsun(knu) |
476 |
END DO |
477 |
END DO |
478 |
|
479 |
|
480 |
! * 6.2 UPWARD FLUXES |
481 |
! ------------- |
482 |
|
483 |
DO jl = 1, kdlon |
484 |
pfup(jl, 1) = ((1.-pclear(jl))*zr1(jl)*zr4(jl)*pfup(jl,1)+pclear(jl)*zfu( & |
485 |
jl,1))*rsun(knu) |
486 |
END DO |
487 |
|
488 |
DO jk = 2, kflev + 1 |
489 |
ikm1 = jk - 1 |
490 |
DO jl = 1, kdlon |
491 |
zw1(jl) = zw1(jl) + poz(jl, ikm1)*1.66 |
492 |
zw4(jl) = zw4(jl) + pud(jl, 4, ikm1)*1.66 |
493 |
zw5(jl) = zw5(jl) + pud(jl, 5, ikm1)*1.66 |
494 |
! ZR4(JL) = EXP(-RSWCE*ZW4(JL)-RSWCP*ZW5(JL)) |
495 |
END DO |
496 |
|
497 |
CALL swtt(knu, iabs, zw1, zr1) |
498 |
|
499 |
DO jl = 1, kdlon |
500 |
pfup(jl, jk) = ((1.-pclear(jl))*zr1(jl)*zr4(jl)*pfup(jl,jk)+pclear(jl)* & |
501 |
zfu(jl,jk))*rsun(knu) |
502 |
END DO |
503 |
END DO |
504 |
|
505 |
END SUBROUTINE sw2s |
506 |
|
507 |
end module sw2s_m |