Directory: | ./ |
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File: | phys/newmicro.f90 |
Date: | 2022-01-11 19:19:34 |
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Lines: | 120 | 223 | 53.8% |
Branches: | 91 | 188 | 48.4% |
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1 | ! $Id: newmicro.F90 3281 2018-03-16 18:26:14Z musat $ | ||
2 | |||
3 | 10396284 | SUBROUTINE newmicro(flag_aerosol, ok_cdnc, bl95_b0, bl95_b1, paprs, pplay, t, pqlwp, pclc, & | |
4 | 120 | pcltau, pclemi, pch, pcl, pcm, pct, pctlwp, xflwp, xfiwp, xflwc, xfiwc, & | |
5 | mass_solu_aero, mass_solu_aero_pi, pcldtaupi, re, fl, reliq, reice, & | ||
6 | reliq_pi, reice_pi) | ||
7 | |||
8 | USE dimphy | ||
9 | USE phys_local_var_mod, ONLY: scdnc, cldncl, reffclwtop, lcc, reffclws, & | ||
10 | reffclwc, cldnvi, lcc3d, lcc3dcon, lcc3dstra, icc3dcon, icc3dstra, & | ||
11 | zfice, dNovrN | ||
12 | USE phys_state_var_mod, ONLY: rnebcon, clwcon | ||
13 | USE icefrac_lsc_mod ! computes ice fraction (JBM 3/14) | ||
14 | USE ioipsl_getin_p_mod, ONLY : getin_p | ||
15 | USE print_control_mod, ONLY: lunout | ||
16 | |||
17 | |||
18 | IMPLICIT NONE | ||
19 | ! ====================================================================== | ||
20 | ! Auteur(s): Z.X. Li (LMD/CNRS) date: 19930910 | ||
21 | ! O. Boucher (LMD/CNRS) mise a jour en 201212 | ||
22 | ! I. Musat (LMD/CNRS) : prise en compte de la meme hypothese de recouvrement | ||
23 | ! pour les nuages que pour le rayonnement rrtm via | ||
24 | ! le parametre novlp de radopt.h : 20160721 | ||
25 | ! Objet: Calculer epaisseur optique et emmissivite des nuages | ||
26 | ! ====================================================================== | ||
27 | ! Arguments: | ||
28 | ! ok_cdnc-input-L-flag pour calculer les rayons a partir des aerosols | ||
29 | |||
30 | ! t-------input-R-temperature | ||
31 | ! pqlwp---input-R-eau liquide nuageuse dans l'atmosphere dans la partie | ||
32 | ! nuageuse (kg/kg) | ||
33 | ! pclc----input-R-couverture nuageuse pour le rayonnement (0 a 1) | ||
34 | ! mass_solu_aero-----input-R-total mass concentration for all soluble | ||
35 | ! aerosols[ug/m^3] | ||
36 | ! mass_solu_aero_pi--input-R-ditto, pre-industrial value | ||
37 | |||
38 | ! bl95_b0-input-R-a PARAMETER, may be varied for tests (s-sea, l-land) | ||
39 | ! bl95_b1-input-R-a PARAMETER, may be varied for tests ( -"- ) | ||
40 | |||
41 | ! re------output-R-Cloud droplet effective radius multiplied by fl [um] | ||
42 | ! fl------output-R-Denominator to re, introduced to avoid problems in | ||
43 | ! the averaging of the output. fl is the fraction of liquid | ||
44 | ! water clouds within a grid cell | ||
45 | |||
46 | ! pcltau--output-R-epaisseur optique des nuages | ||
47 | ! pclemi--output-R-emissivite des nuages (0 a 1) | ||
48 | ! pcldtaupi-output-R-pre-industrial value of cloud optical thickness, | ||
49 | |||
50 | ! pcl-output-R-2D low-level cloud cover | ||
51 | ! pcm-output-R-2D mid-level cloud cover | ||
52 | ! pch-output-R-2D high-level cloud cover | ||
53 | ! pct-output-R-2D total cloud cover | ||
54 | ! ====================================================================== | ||
55 | |||
56 | include "YOMCST.h" | ||
57 | include "nuage.h" | ||
58 | include "radepsi.h" | ||
59 | include "radopt.h" | ||
60 | |||
61 | ! choix de l'hypothese de recouvrement nuageuse via radopt.h (IM, 19.07.2016) | ||
62 | ! !novlp=1: max-random | ||
63 | ! !novlp=2: maximum | ||
64 | ! !novlp=3: random | ||
65 | ! LOGICAL random, maximum_random, maximum | ||
66 | ! PARAMETER (random=.FALSE., maximum_random=.TRUE., maximum=.FALSE.) | ||
67 | |||
68 | LOGICAL, SAVE :: first = .TRUE. | ||
69 | !$OMP THREADPRIVATE(FIRST) | ||
70 | INTEGER flag_max | ||
71 | |||
72 | ! threshold PARAMETERs | ||
73 | REAL thres_tau, thres_neb | ||
74 | PARAMETER (thres_tau=0.3, thres_neb=0.001) | ||
75 | |||
76 | 240 | REAL phase3d(klon, klev) | |
77 | 240 | REAL tcc(klon), ftmp(klon), lcc_integrat(klon), height(klon) | |
78 | |||
79 | REAL paprs(klon, klev+1) | ||
80 | REAL pplay(klon, klev) | ||
81 | REAL t(klon, klev) | ||
82 | REAL pclc(klon, klev) | ||
83 | REAL pqlwp(klon, klev) | ||
84 | REAL pcltau(klon, klev) | ||
85 | REAL pclemi(klon, klev) | ||
86 | REAL pcldtaupi(klon, klev) | ||
87 | |||
88 | REAL pct(klon) | ||
89 | REAL pcl(klon) | ||
90 | REAL pcm(klon) | ||
91 | REAL pch(klon) | ||
92 | REAL pctlwp(klon) | ||
93 | |||
94 | LOGICAL lo | ||
95 | |||
96 | ! !Abderr modif JL mail du 19.01.2011 18:31 | ||
97 | ! REAL cetahb, cetamb | ||
98 | ! PARAMETER (cetahb = 0.45, cetamb = 0.80) | ||
99 | ! Remplacer | ||
100 | ! cetahb*paprs(i,1) par prmhc | ||
101 | ! cetamb*paprs(i,1) par prlmc | ||
102 | REAL prmhc ! Pressure between medium and high level cloud in Pa | ||
103 | REAL prlmc ! Pressure between low and medium level cloud in Pa | ||
104 | PARAMETER (prmhc=440.*100., prlmc=680.*100.) | ||
105 | |||
106 | INTEGER i, k | ||
107 | REAL xflwp(klon), xfiwp(klon) | ||
108 | REAL xflwc(klon, klev), xfiwc(klon, klev) | ||
109 | |||
110 | REAL radius | ||
111 | |||
112 | REAL coef_froi, coef_chau | ||
113 | PARAMETER (coef_chau=0.13, coef_froi=0.09) | ||
114 | |||
115 | REAL seuil_neb | ||
116 | PARAMETER (seuil_neb=0.001) | ||
117 | |||
118 | ! JBM (3/14) nexpo is replaced by exposant_glace | ||
119 | ! INTEGER nexpo ! exponentiel pour glace/eau | ||
120 | ! PARAMETER (nexpo=6) | ||
121 | ! PARAMETER (nexpo=1) | ||
122 | ! if iflag_t_glace=0, the old values are used: | ||
123 | REAL, PARAMETER :: t_glace_min_old = 258. | ||
124 | REAL, PARAMETER :: t_glace_max_old = 273.13 | ||
125 | |||
126 | REAL rel, tc, rei | ||
127 | REAL k_ice0, k_ice, df | ||
128 | PARAMETER (k_ice0=0.005) ! units=m2/g | ||
129 | PARAMETER (df=1.66) ! diffusivity factor | ||
130 | |||
131 | ! jq for the aerosol indirect effect | ||
132 | ! jq introduced by Johannes Quaas (quaas@lmd.jussieu.fr), 27/11/2003 | ||
133 | ! jq | ||
134 | REAL mass_solu_aero(klon, klev) ! total mass concentration for all soluble aerosols [ug m-3] | ||
135 | REAL mass_solu_aero_pi(klon, klev) ! - " - (pre-industrial value) | ||
136 | 240 | REAL cdnc(klon, klev) ! cloud droplet number concentration [m-3] | |
137 | REAL re(klon, klev) ! cloud droplet effective radius [um] | ||
138 | 240 | REAL cdnc_pi(klon, klev) ! cloud droplet number concentration [m-3] (pi value) | |
139 | REAL re_pi(klon, klev) ! cloud droplet effective radius [um] (pi value) | ||
140 | |||
141 | REAL fl(klon, klev) ! xliq * rneb (denominator to re; fraction of liquid water clouds | ||
142 | ! within the grid cell) | ||
143 | |||
144 | INTEGER flag_aerosol | ||
145 | LOGICAL ok_cdnc | ||
146 | REAL bl95_b0, bl95_b1 ! Parameter in B&L 95-Formula | ||
147 | |||
148 | ! jq-end | ||
149 | ! IM cf. CR:parametres supplementaires | ||
150 | 240 | REAL zclear(klon) | |
151 | 240 | REAL zcloud(klon) | |
152 | 240 | REAL zcloudh(klon) | |
153 | 240 | REAL zcloudm(klon) | |
154 | 240 | REAL zcloudl(klon) | |
155 | 240 | REAL rhodz(klon, klev) !--rho*dz pour la couche | |
156 | 240 | REAL zrho(klon, klev) !--rho pour la couche | |
157 | 240 | REAL dh(klon, klev) !--dz pour la couche | |
158 | 240 | REAL rad_chaud(klon, klev) !--rayon pour les nuages chauds | |
159 | 240 | REAL rad_chaud_pi(klon, klev) !--rayon pour les nuages chauds pre-industriels | |
160 | REAL zflwp_var, zfiwp_var | ||
161 | REAL d_rei_dt | ||
162 | |||
163 | ! Abderrahmane oct 2009 | ||
164 | REAL reliq(klon, klev), reice(klon, klev) | ||
165 | REAL reliq_pi(klon, klev), reice_pi(klon, klev) | ||
166 | |||
167 | REAL,SAVE :: cdnc_min=-1. | ||
168 | REAL,SAVE :: cdnc_min_m3 | ||
169 | !$OMP THREADPRIVATE(cdnc_min,cdnc_min_m3) | ||
170 | REAL,SAVE :: cdnc_max=-1. | ||
171 | REAL,SAVE :: cdnc_max_m3 | ||
172 | !$OMP THREADPRIVATE(cdnc_max,cdnc_max_m3) | ||
173 | |||
174 | ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | ||
175 | ! FH : 2011/05/24 | ||
176 | |||
177 | ! rei = ( rei_max - rei_min ) * T(°C) / 81.4 + rei_max | ||
178 | ! to be used for a temperature in celcius T(°C) < 0 | ||
179 | ! rei=rei_min for T(°C) < -81.4 | ||
180 | |||
181 | ! Calcul de la pente de la relation entre rayon effective des cristaux | ||
182 | ! et la température. | ||
183 | ! Pour retrouver les résultats numériques de la version d'origine, | ||
184 | ! on impose 0.71 quand on est proche de 0.71 | ||
185 | |||
186 |
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120 | if (first) THEN |
187 | 1 | call getin_p('cdnc_min',cdnc_min) | |
188 | 1 | cdnc_min_m3=cdnc_min*1.E6 | |
189 |
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1 | IF (cdnc_min_m3<0.) cdnc_min_m3=20.E6 ! astuce pour retrocompatibilite |
190 | 1 | write(lunout,*)'cdnc_min=', cdnc_min_m3/1.E6 | |
191 | 1 | call getin_p('cdnc_max',cdnc_max) | |
192 | 1 | cdnc_max_m3=cdnc_max*1.E6 | |
193 |
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1 | IF (cdnc_max_m3<0.) cdnc_max_m3=1000.E6 ! astuce pour retrocompatibilite |
194 | 1 | write(lunout,*)'cdnc_max=', cdnc_max_m3/1.E6 | |
195 | ENDIF | ||
196 | |||
197 | 120 | d_rei_dt = (rei_max-rei_min)/81.4 | |
198 |
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120 | IF (abs(d_rei_dt-0.71)<1.E-4) d_rei_dt = 0.71 |
199 | ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | ||
200 | |||
201 | ! Calculer l'epaisseur optique et l'emmissivite des nuages | ||
202 | ! IM inversion des DO | ||
203 | |||
204 |
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119400 | xflwp = 0.D0 |
205 |
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119400 | xfiwp = 0.D0 |
206 |
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4656720 | xflwc = 0.D0 |
207 |
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4656720 | xfiwc = 0.D0 |
208 | |||
209 |
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4656720 | reliq = 0. |
210 |
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4656720 | reice = 0. |
211 |
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4656720 | reliq_pi = 0. |
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213 | |||
214 |
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120 | IF (iflag_t_glace.EQ.0) THEN |
215 | ✗ | DO k = 1, klev | |
216 | ✗ | DO i = 1, klon | |
217 | ! -layer calculation | ||
218 | ✗ | rhodz(i, k) = (paprs(i,k)-paprs(i,k+1))/rg ! kg/m2 | |
219 | ✗ | zrho(i, k) = pplay(i, k)/t(i, k)/rd ! kg/m3 | |
220 | ✗ | dh(i, k) = rhodz(i, k)/zrho(i, k) ! m | |
221 | ! -Fraction of ice in cloud using a linear transition | ||
222 | ✗ | zfice(i, k) = 1.0 - (t(i,k)-t_glace_min_old)/(t_glace_max_old-t_glace_min_old) | |
223 | ✗ | zfice(i, k) = min(max(zfice(i,k),0.0), 1.0) | |
224 | ! -IM Total Liquid/Ice water content | ||
225 | ✗ | xflwc(i, k) = (1.-zfice(i,k))*pqlwp(i, k) | |
226 | ✗ | xfiwc(i, k) = zfice(i, k)*pqlwp(i, k) | |
227 | ENDDO | ||
228 | ENDDO | ||
229 | ELSE ! of IF (iflag_t_glace.EQ.0) | ||
230 |
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231 |
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4656600 | CALL icefrac_lsc(klon,t(:,k),pplay(:,k)/paprs(:,1),zfice(:,k)) |
232 | |||
233 | |||
234 | ! JBM: icefrac_lsc is now contained icefrac_lsc_mod | ||
235 | ! zfice(i, k) = icefrac_lsc(t(i,k), t_glace_min, & | ||
236 | ! t_glace_max, exposant_glace) | ||
237 |
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4656720 | DO i = 1, klon |
238 | ! -layer calculation | ||
239 | 4651920 | rhodz(i, k) = (paprs(i,k)-paprs(i,k+1))/rg ! kg/m2 | |
240 | 4651920 | zrho(i, k) = pplay(i, k)/t(i, k)/rd ! kg/m3 | |
241 | 4651920 | dh(i, k) = rhodz(i, k)/zrho(i, k) ! m | |
242 | ! -IM Total Liquid/Ice water content | ||
243 | 4651920 | xflwc(i, k) = (1.-zfice(i,k))*pqlwp(i, k) | |
244 | 4656600 | xfiwc(i, k) = zfice(i, k)*pqlwp(i, k) | |
245 | ENDDO | ||
246 | ENDDO | ||
247 | ENDIF | ||
248 | |||
249 |
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120 | IF (ok_cdnc) THEN |
250 | |||
251 | ! --we compute cloud properties as a function of the aerosol load | ||
252 | |||
253 | ✗ | DO k = 1, klev | |
254 | ✗ | DO i = 1, klon | |
255 | ! Formula "D" of Boucher and Lohmann, Tellus, 1995 | ||
256 | ! Cloud droplet number concentration (CDNC) is restricted | ||
257 | ! to be within [20, 1000 cm^3] | ||
258 | |||
259 | ! --pre-industrial case | ||
260 | cdnc_pi(i, k) = 10.**(bl95_b0+bl95_b1*log(max(mass_solu_aero_pi(i,k), & | ||
261 | ✗ | 1.E-4))/log(10.))*1.E6 !-m-3 | |
262 | ✗ | cdnc_pi(i, k) = min(cdnc_max_m3, max(cdnc_min_m3,cdnc_pi(i,k))) | |
263 | |||
264 | ENDDO | ||
265 | ENDDO | ||
266 | |||
267 | !--flag_aerosol=7 => MACv2SP climatology | ||
268 | !--in this case there is an enhancement factor | ||
269 | ✗ | IF (flag_aerosol .EQ. 7) THEN | |
270 | |||
271 | !--present-day | ||
272 | ✗ | DO k = 1, klev | |
273 | ✗ | DO i = 1, klon | |
274 | ✗ | cdnc(i, k) = cdnc_pi(i,k)*dNovrN(i) | |
275 | ENDDO | ||
276 | ENDDO | ||
277 | |||
278 | !--standard case | ||
279 | ELSE | ||
280 | |||
281 | ✗ | DO k = 1, klev | |
282 | ✗ | DO i = 1, klon | |
283 | |||
284 | ! Formula "D" of Boucher and Lohmann, Tellus, 1995 | ||
285 | ! Cloud droplet number concentration (CDNC) is restricted | ||
286 | ! to be within [20, 1000 cm^3] | ||
287 | |||
288 | ! --present-day case | ||
289 | cdnc(i, k) = 10.**(bl95_b0+bl95_b1*log(max(mass_solu_aero(i,k), & | ||
290 | ✗ | 1.E-4))/log(10.))*1.E6 !-m-3 | |
291 | ✗ | cdnc(i, k) = min(cdnc_max_m3, max(cdnc_min_m3,cdnc(i,k))) | |
292 | |||
293 | ENDDO | ||
294 | ENDDO | ||
295 | |||
296 | ENDIF !--flag_aerosol | ||
297 | |||
298 | !--computing cloud droplet size | ||
299 | ✗ | DO k = 1, klev | |
300 | ✗ | DO i = 1, klon | |
301 | |||
302 | ! --present-day case | ||
303 | rad_chaud(i, k) = 1.1*((pqlwp(i,k)*pplay(i, & | ||
304 | ✗ | k)/(rd*t(i,k)))/(4./3*rpi*1000.*cdnc(i,k)))**(1./3.) | |
305 | ✗ | rad_chaud(i, k) = max(rad_chaud(i,k)*1.E6, 5.) | |
306 | |||
307 | ! --pre-industrial case | ||
308 | rad_chaud_pi(i, k) = 1.1*((pqlwp(i,k)*pplay(i, & | ||
309 | ✗ | k)/(rd*t(i,k)))/(4./3.*rpi*1000.*cdnc_pi(i,k)))**(1./3.) | |
310 | ✗ | rad_chaud_pi(i, k) = max(rad_chaud_pi(i,k)*1.E6, 5.) | |
311 | |||
312 | ! --pre-industrial case | ||
313 | ! --liquid/ice cloud water paths: | ||
314 | ✗ | IF (pclc(i,k)<=seuil_neb) THEN | |
315 | |||
316 | ✗ | pcldtaupi(i, k) = 0.0 | |
317 | |||
318 | ELSE | ||
319 | |||
320 | zflwp_var = 1000.*(1.-zfice(i,k))*pqlwp(i, k)/pclc(i, k)* & | ||
321 | ✗ | rhodz(i, k) | |
322 | ✗ | zfiwp_var = 1000.*zfice(i, k)*pqlwp(i, k)/pclc(i, k)*rhodz(i, k) | |
323 | ✗ | tc = t(i, k) - 273.15 | |
324 | ✗ | rei = d_rei_dt*tc + rei_max | |
325 | ✗ | IF (tc<=-81.4) rei = rei_min | |
326 | |||
327 | ! -- cloud optical thickness : | ||
328 | ! [for liquid clouds, traditional formula, | ||
329 | ! for ice clouds, Ebert & Curry (1992)] | ||
330 | |||
331 | ✗ | IF (zfiwp_var==0. .OR. rei<=0.) rei = 1. | |
332 | pcldtaupi(i, k) = 3.0/2.0*zflwp_var/rad_chaud_pi(i, k) + & | ||
333 | ✗ | zfiwp_var*(3.448E-03+2.431/rei) | |
334 | |||
335 | ENDIF | ||
336 | |||
337 | ENDDO | ||
338 | ENDDO | ||
339 | |||
340 | ELSE !--not ok_cdnc | ||
341 | |||
342 | ! -prescribed cloud droplet radius | ||
343 | |||
344 |
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480 | DO k = 1, min(3, klev) |
345 |
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346 | 357840 | rad_chaud(i, k) = rad_chau2 | |
347 | 358200 | rad_chaud_pi(i, k) = rad_chau2 | |
348 | ENDDO | ||
349 | ENDDO | ||
350 |
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4440 | DO k = min(3, klev) + 1, klev |
351 |
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352 | 4294080 | rad_chaud(i, k) = rad_chau1 | |
353 | 4298400 | rad_chaud_pi(i, k) = rad_chau1 | |
354 | ENDDO | ||
355 | ENDDO | ||
356 | |||
357 | ENDIF !--ok_cdnc | ||
358 | |||
359 | ! --computation of cloud optical depth and emissivity | ||
360 | ! --in the general case | ||
361 | |||
362 |
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363 |
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364 | |||
365 |
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4651920 | IF (pclc(i,k)<=seuil_neb) THEN |
366 | |||
367 | ! effective cloud droplet radius (microns) for liquid water clouds: | ||
368 | ! For output diagnostics cloud droplet effective radius [um] | ||
369 | ! we multiply here with f * xl (fraction of liquid water | ||
370 | ! clouds in the grid cell) to avoid problems in the averaging of the | ||
371 | ! output. | ||
372 | ! In the output of IOIPSL, derive the REAL cloud droplet | ||
373 | ! effective radius as re/fl | ||
374 | |||
375 | 3559836 | fl(i, k) = seuil_neb*(1.-zfice(i,k)) | |
376 | 3559836 | re(i, k) = rad_chaud(i, k)*fl(i, k) | |
377 | rel = 0. | ||
378 | rei = 0. | ||
379 | 3559836 | pclc(i, k) = 0.0 | |
380 | 3559836 | pcltau(i, k) = 0.0 | |
381 | 3559836 | pclemi(i, k) = 0.0 | |
382 | |||
383 | ELSE | ||
384 | |||
385 | ! -- liquid/ice cloud water paths: | ||
386 | |||
387 | 1092084 | zflwp_var = 1000.*(1.-zfice(i,k))*pqlwp(i, k)/pclc(i, k)*rhodz(i, k) | |
388 | 1092084 | zfiwp_var = 1000.*zfice(i, k)*pqlwp(i, k)/pclc(i, k)*rhodz(i, k) | |
389 | |||
390 | ! effective cloud droplet radius (microns) for liquid water clouds: | ||
391 | ! For output diagnostics cloud droplet effective radius [um] | ||
392 | ! we multiply here with f * xl (fraction of liquid water | ||
393 | ! clouds in the grid cell) to avoid problems in the averaging of the | ||
394 | ! output. | ||
395 | ! In the output of IOIPSL, derive the REAL cloud droplet | ||
396 | ! effective radius as re/fl | ||
397 | |||
398 | 1092084 | fl(i, k) = pclc(i, k)*(1.-zfice(i,k)) | |
399 | 1092084 | re(i, k) = rad_chaud(i, k)*fl(i, k) | |
400 | |||
401 | rel = rad_chaud(i, k) | ||
402 | |||
403 | ! for ice clouds: as a function of the ambiant temperature | ||
404 | ! [formula used by Iacobellis and Somerville (2000), with an | ||
405 | ! asymptotical value of 3.5 microns at T<-81.4 C added to be | ||
406 | ! consistent with observations of Heymsfield et al. 1986]: | ||
407 | ! 2011/05/24 : rei_min = 3.5 becomes a free PARAMETER as well as | ||
408 | ! rei_max=61.29 | ||
409 | |||
410 | 1092084 | tc = t(i, k) - 273.15 | |
411 | 1092084 | rei = d_rei_dt*tc + rei_max | |
412 |
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1092084 | IF (tc<=-81.4) rei = rei_min |
413 | |||
414 | ! -- cloud optical thickness : | ||
415 | ! [for liquid clouds, traditional formula, | ||
416 | ! for ice clouds, Ebert & Curry (1992)] | ||
417 | |||
418 |
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1092084 | IF (zflwp_var==0.) rel = 1. |
419 |
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1092084 | IF (zfiwp_var==0. .OR. rei<=0.) rei = 1. |
420 | pcltau(i, k) = 3.0/2.0*(zflwp_var/rel) + zfiwp_var*(3.448E-03+2.431/ & | ||
421 | 1092084 | rei) | |
422 | |||
423 | ! -- cloud infrared emissivity: | ||
424 | ! [the broadband infrared absorption coefficient is PARAMETERized | ||
425 | ! as a function of the effective cld droplet radius] | ||
426 | ! Ebert and Curry (1992) formula as used by Kiehl & Zender (1995): | ||
427 | |||
428 | 1092084 | k_ice = k_ice0 + 1.0/rei | |
429 | |||
430 | 1092084 | pclemi(i, k) = 1.0 - exp(-coef_chau*zflwp_var-df*k_ice*zfiwp_var) | |
431 | |||
432 | ENDIF | ||
433 | |||
434 | 4651920 | reice(i, k) = rei | |
435 | |||
436 | 4651920 | xflwp(i) = xflwp(i) + xflwc(i, k)*rhodz(i, k) | |
437 | 4656600 | xfiwp(i) = xfiwp(i) + xfiwc(i, k)*rhodz(i, k) | |
438 | |||
439 | ENDDO | ||
440 | ENDDO | ||
441 | |||
442 | ! --if cloud droplet radius is fixed, then pcldtaupi=pcltau | ||
443 | |||
444 |
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120 | IF (.NOT. ok_cdnc) THEN |
445 |
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4800 | DO k = 1, klev |
446 |
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4656720 | DO i = 1, klon |
447 | 4651920 | pcldtaupi(i, k) = pcltau(i, k) | |
448 | 4656600 | reice_pi(i, k) = reice(i, k) | |
449 | ENDDO | ||
450 | ENDDO | ||
451 | ENDIF | ||
452 | |||
453 |
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4800 | DO k = 1, klev |
454 |
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4656720 | DO i = 1, klon |
455 | 4651920 | reliq(i, k) = rad_chaud(i, k) | |
456 | 4651920 | reliq_pi(i, k) = rad_chaud_pi(i, k) | |
457 | 4656600 | reice_pi(i, k) = reice(i, k) | |
458 | ENDDO | ||
459 | ENDDO | ||
460 | |||
461 | ! COMPUTE CLOUD LIQUID PATH AND TOTAL CLOUDINESS | ||
462 | ! IM cf. CR:test: calcul prenant ou non en compte le recouvrement | ||
463 | ! initialisations | ||
464 | |||
465 |
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119400 | DO i = 1, klon |
466 | 119280 | zclear(i) = 1. | |
467 | 119280 | zcloud(i) = 0. | |
468 | 119280 | zcloudh(i) = 0. | |
469 | 119280 | zcloudm(i) = 0. | |
470 | 119280 | zcloudl(i) = 0. | |
471 | 119280 | pch(i) = 1.0 | |
472 | 119280 | pcm(i) = 1.0 | |
473 | 119280 | pcl(i) = 1.0 | |
474 | 119400 | pctlwp(i) = 0.0 | |
475 | ENDDO | ||
476 | |||
477 | ! --calculation of liquid water path | ||
478 | |||
479 |
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4800 | DO k = klev, 1, -1 |
480 |
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4656720 | DO i = 1, klon |
481 | 4656600 | pctlwp(i) = pctlwp(i) + pqlwp(i, k)*rhodz(i, k) | |
482 | ENDDO | ||
483 | ENDDO | ||
484 | |||
485 | ! --calculation of cloud properties with cloud overlap | ||
486 | |||
487 | IF (novlp==1) THEN | ||
488 |
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4800 | DO k = klev, 1, -1 |
489 |
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4656720 | DO i = 1, klon |
490 | zclear(i) = zclear(i)*(1.-max(pclc(i,k),zcloud(i)))/(1.-min(real( & | ||
491 | 4651920 | zcloud(i),kind=8),1.-zepsec)) | |
492 | 4651920 | pct(i) = 1. - zclear(i) | |
493 |
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4651920 | IF (paprs(i,k)<prmhc) THEN |
494 | pch(i) = pch(i)*(1.-max(pclc(i,k),zcloudh(i)))/(1.-min(real(zcloudh & | ||
495 | 3116400 | (i),kind=8),1.-zepsec)) | |
496 | 3116400 | zcloudh(i) = pclc(i, k) | |
497 |
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1535520 | ELSE IF (paprs(i,k)>=prmhc .AND. paprs(i,k)<prlmc) THEN |
498 | pcm(i) = pcm(i)*(1.-max(pclc(i,k),zcloudm(i)))/(1.-min(real(zcloudm & | ||
499 | 412339 | (i),kind=8),1.-zepsec)) | |
500 | 412339 | zcloudm(i) = pclc(i, k) | |
501 |
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1123181 | ELSE IF (paprs(i,k)>=prlmc) THEN |
502 | pcl(i) = pcl(i)*(1.-max(pclc(i,k),zcloudl(i)))/(1.-min(real(zcloudl & | ||
503 | 1123181 | (i),kind=8),1.-zepsec)) | |
504 | 1123181 | zcloudl(i) = pclc(i, k) | |
505 | ENDIF | ||
506 | 4656600 | zcloud(i) = pclc(i, k) | |
507 | ENDDO | ||
508 | ENDDO | ||
509 | ELSE IF (novlp==2) THEN | ||
510 | DO k = klev, 1, -1 | ||
511 | DO i = 1, klon | ||
512 | zcloud(i) = max(pclc(i,k), zcloud(i)) | ||
513 | pct(i) = zcloud(i) | ||
514 | IF (paprs(i,k)<prmhc) THEN | ||
515 | pch(i) = min(pclc(i,k), pch(i)) | ||
516 | ELSE IF (paprs(i,k)>=prmhc .AND. paprs(i,k)<prlmc) THEN | ||
517 | pcm(i) = min(pclc(i,k), pcm(i)) | ||
518 | ELSE IF (paprs(i,k)>=prlmc) THEN | ||
519 | pcl(i) = min(pclc(i,k), pcl(i)) | ||
520 | ENDIF | ||
521 | ENDDO | ||
522 | ENDDO | ||
523 | ELSE IF (novlp==3) THEN | ||
524 | DO k = klev, 1, -1 | ||
525 | DO i = 1, klon | ||
526 | zclear(i) = zclear(i)*(1.-pclc(i,k)) | ||
527 | pct(i) = 1 - zclear(i) | ||
528 | IF (paprs(i,k)<prmhc) THEN | ||
529 | pch(i) = pch(i)*(1.0-pclc(i,k)) | ||
530 | ELSE IF (paprs(i,k)>=prmhc .AND. paprs(i,k)<prlmc) THEN | ||
531 | pcm(i) = pcm(i)*(1.0-pclc(i,k)) | ||
532 | ELSE IF (paprs(i,k)>=prlmc) THEN | ||
533 | pcl(i) = pcl(i)*(1.0-pclc(i,k)) | ||
534 | ENDIF | ||
535 | ENDDO | ||
536 | ENDDO | ||
537 | ENDIF | ||
538 | |||
539 |
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119400 | DO i = 1, klon |
540 | 119280 | pch(i) = 1. - pch(i) | |
541 | 119280 | pcm(i) = 1. - pcm(i) | |
542 | 119400 | pcl(i) = 1. - pcl(i) | |
543 | ENDDO | ||
544 | |||
545 | ! ======================================================== | ||
546 | ! DIAGNOSTICS CALCULATION FOR CMIP5 PROTOCOL | ||
547 | ! ======================================================== | ||
548 | ! change by Nicolas Yan (LSCE) | ||
549 | ! Cloud Droplet Number Concentration (CDNC) : 3D variable | ||
550 | ! Fractionnal cover by liquid water cloud (LCC3D) : 3D variable | ||
551 | ! Cloud Droplet Number Concentration at top of cloud (CLDNCL) : 2D variable | ||
552 | ! Droplet effective radius at top of cloud (REFFCLWTOP) : 2D variable | ||
553 | ! Fractionnal cover by liquid water at top of clouds (LCC) : 2D variable | ||
554 | |||
555 |
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120 | IF (ok_cdnc) THEN |
556 | |||
557 | ✗ | DO k = 1, klev | |
558 | ✗ | DO i = 1, klon | |
559 | ✗ | phase3d(i, k) = 1 - zfice(i, k) | |
560 | ✗ | IF (pclc(i,k)<=seuil_neb) THEN | |
561 | ✗ | lcc3d(i, k) = seuil_neb*phase3d(i, k) | |
562 | ELSE | ||
563 | ✗ | lcc3d(i, k) = pclc(i, k)*phase3d(i, k) | |
564 | ENDIF | ||
565 | ✗ | scdnc(i, k) = lcc3d(i, k)*cdnc(i, k) ! m-3 | |
566 | ENDDO | ||
567 | ENDDO | ||
568 | |||
569 | ✗ | DO i = 1, klon | |
570 | ✗ | lcc(i) = 0. | |
571 | ✗ | reffclwtop(i) = 0. | |
572 | ✗ | cldncl(i) = 0. | |
573 | ✗ | IF (novlp.EQ.3 .OR. novlp.EQ.1) tcc(i) = 1. | |
574 | ✗ | IF (novlp.EQ.2) tcc(i) = 0. | |
575 | ENDDO | ||
576 | |||
577 | ✗ | DO i = 1, klon | |
578 | ✗ | DO k = klev - 1, 1, -1 !From TOA down | |
579 | |||
580 | ! Test, if the cloud optical depth exceeds the necessary | ||
581 | ! threshold: | ||
582 | |||
583 | ✗ | IF (pcltau(i,k)>thres_tau .AND. pclc(i,k)>thres_neb) THEN | |
584 | |||
585 | IF (novlp.EQ.2) THEN | ||
586 | IF (first) THEN | ||
587 | WRITE (*, *) 'Hypothese de recouvrement: MAXIMUM' | ||
588 | first = .FALSE. | ||
589 | ENDIF | ||
590 | flag_max = -1. | ||
591 | ftmp(i) = max(tcc(i), pclc(i,k)) | ||
592 | ENDIF | ||
593 | |||
594 | IF (novlp.EQ.3) THEN | ||
595 | IF (first) THEN | ||
596 | WRITE (*, *) 'Hypothese de recouvrement: RANDOM' | ||
597 | first = .FALSE. | ||
598 | ENDIF | ||
599 | flag_max = 1. | ||
600 | ftmp(i) = tcc(i)*(1-pclc(i,k)) | ||
601 | ENDIF | ||
602 | |||
603 | IF (novlp.EQ.1) THEN | ||
604 | ✗ | IF (first) THEN | |
605 | WRITE (*, *) 'Hypothese de recouvrement: MAXIMUM_ & | ||
606 | & & | ||
607 | ✗ | & RANDOM' | |
608 | ✗ | first = .FALSE. | |
609 | ENDIF | ||
610 | flag_max = 1. | ||
611 | ftmp(i) = tcc(i)*(1.-max(pclc(i,k),pclc(i,k+1)))/(1.-min(pclc(i, & | ||
612 | ✗ | k+1),1.-thres_neb)) | |
613 | ENDIF | ||
614 | ! Effective radius of cloud droplet at top of cloud (m) | ||
615 | reffclwtop(i) = reffclwtop(i) + rad_chaud(i, k)*1.0E-06*phase3d(i, & | ||
616 | ✗ | k)*(tcc(i)-ftmp(i))*flag_max | |
617 | ! CDNC at top of cloud (m-3) | ||
618 | cldncl(i) = cldncl(i) + cdnc(i, k)*phase3d(i, k)*(tcc(i)-ftmp(i))* & | ||
619 | ✗ | flag_max | |
620 | ! Liquid Cloud Content at top of cloud | ||
621 | ✗ | lcc(i) = lcc(i) + phase3d(i, k)*(tcc(i)-ftmp(i))*flag_max | |
622 | ! Total Cloud Content at top of cloud | ||
623 | ✗ | tcc(i) = ftmp(i) | |
624 | |||
625 | ENDIF ! is there a visible, not-too-small cloud? | ||
626 | ENDDO ! loop over k | ||
627 | |||
628 | ✗ | IF (novlp.EQ.3 .OR. novlp.EQ.1) tcc(i) = 1. - tcc(i) | |
629 | |||
630 | ENDDO ! loop over i | ||
631 | |||
632 | ! ! Convective and Stratiform Cloud Droplet Effective Radius (REFFCLWC | ||
633 | ! REFFCLWS) | ||
634 | ✗ | DO i = 1, klon | |
635 | ✗ | DO k = 1, klev | |
636 | ! Weight to be used for outputs: eau_liquide*couverture nuageuse | ||
637 | ✗ | lcc3dcon(i, k) = rnebcon(i, k)*phase3d(i, k)*clwcon(i, k) ! eau liquide convective | |
638 | ✗ | lcc3dstra(i, k) = pclc(i, k)*pqlwp(i, k)*phase3d(i, k) | |
639 | ✗ | lcc3dstra(i, k) = lcc3dstra(i, k) - lcc3dcon(i, k) ! eau liquide stratiforme | |
640 | ✗ | lcc3dstra(i, k) = max(lcc3dstra(i,k), 0.0) | |
641 | !FC pour la glace (CAUSES) | ||
642 | ✗ | icc3dcon(i, k) = rnebcon(i, k)*(1-phase3d(i, k))*clwcon(i, k) ! glace convective | |
643 | ✗ | icc3dstra(i, k)= pclc(i, k)*pqlwp(i, k)*(1-phase3d(i, k)) | |
644 | ✗ | icc3dstra(i, k) = icc3dstra(i, k) - icc3dcon(i, k) ! glace stratiforme | |
645 | ✗ | icc3dstra(i, k) = max( icc3dstra(i, k), 0.0) | |
646 | !FC (CAUSES) | ||
647 | |||
648 | ! Compute cloud droplet radius as above in meter | ||
649 | radius = 1.1*((pqlwp(i,k)*pplay(i,k)/(rd*t(i,k)))/(4./3*rpi*1000.* & | ||
650 | ✗ | cdnc(i,k)))**(1./3.) | |
651 | ✗ | radius = max(radius, 5.E-6) | |
652 | ! Convective Cloud Droplet Effective Radius (REFFCLWC) : variable 3D | ||
653 | ✗ | reffclwc(i, k) = radius | |
654 | ✗ | reffclwc(i, k) = reffclwc(i, k)*lcc3dcon(i, k) | |
655 | ! Stratiform Cloud Droplet Effective Radius (REFFCLWS) : variable 3D | ||
656 | ✗ | reffclws(i, k) = radius | |
657 | ✗ | reffclws(i, k) = reffclws(i, k)*lcc3dstra(i, k) | |
658 | ENDDO !klev | ||
659 | ENDDO !klon | ||
660 | |||
661 | ! Column Integrated Cloud Droplet Number (CLDNVI) : variable 2D | ||
662 | |||
663 | ✗ | DO i = 1, klon | |
664 | ✗ | cldnvi(i) = 0. | |
665 | ✗ | lcc_integrat(i) = 0. | |
666 | ✗ | height(i) = 0. | |
667 | ✗ | DO k = 1, klev | |
668 | ✗ | cldnvi(i) = cldnvi(i) + cdnc(i, k)*lcc3d(i, k)*dh(i, k) | |
669 | ✗ | lcc_integrat(i) = lcc_integrat(i) + lcc3d(i, k)*dh(i, k) | |
670 | ✗ | height(i) = height(i) + dh(i, k) | |
671 | ENDDO ! klev | ||
672 | ✗ | lcc_integrat(i) = lcc_integrat(i)/height(i) | |
673 | ✗ | IF (lcc_integrat(i)<=1.0E-03) THEN | |
674 | ✗ | cldnvi(i) = cldnvi(i)*lcc(i)/seuil_neb | |
675 | ELSE | ||
676 | ✗ | cldnvi(i) = cldnvi(i)*lcc(i)/lcc_integrat(i) | |
677 | ENDIF | ||
678 | ENDDO ! klon | ||
679 | |||
680 | ✗ | DO i = 1, klon | |
681 | ✗ | DO k = 1, klev | |
682 | ✗ | IF (scdnc(i,k)<=0.0) scdnc(i, k) = 0.0 | |
683 | ✗ | IF (reffclws(i,k)<=0.0) reffclws(i, k) = 0.0 | |
684 | ✗ | IF (reffclwc(i,k)<=0.0) reffclwc(i, k) = 0.0 | |
685 | ✗ | IF (lcc3d(i,k)<=0.0) lcc3d(i, k) = 0.0 | |
686 | ✗ | IF (lcc3dcon(i,k)<=0.0) lcc3dcon(i, k) = 0.0 | |
687 | ✗ | IF (lcc3dstra(i,k)<=0.0) lcc3dstra(i, k) = 0.0 | |
688 | !FC (CAUSES) | ||
689 | ✗ | IF (icc3dcon(i,k)<=0.0) icc3dcon(i, k) = 0.0 | |
690 | ✗ | IF (icc3dstra(i,k)<=0.0) icc3dstra(i, k) = 0.0 | |
691 | !FC (CAUSES) | ||
692 | ENDDO | ||
693 | ✗ | IF (reffclwtop(i)<=0.0) reffclwtop(i) = 0.0 | |
694 | ✗ | IF (cldncl(i)<=0.0) cldncl(i) = 0.0 | |
695 | ✗ | IF (cldnvi(i)<=0.0) cldnvi(i) = 0.0 | |
696 | ✗ | IF (lcc(i)<=0.0) lcc(i) = 0.0 | |
697 | ENDDO | ||
698 | |||
699 | ENDIF !ok_cdnc | ||
700 | |||
701 | 120 | first=.false. !to be sure | |
702 | |||
703 | 120 | RETURN | |
704 | |||
705 | END SUBROUTINE newmicro | ||
706 |