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