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