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newmicro.F @ 1522

Last change on this file since 1522 was 1522, checked in by idelkadi, 13 years ago
Correction du diagnostique utilise pour le calcul des fractions de nuages bas, moyens et haut
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1	! $Id: newmicro.F 1522 2011-05-24 14:50:59Z idelkadi $
2
3
4
5	!
6	SUBROUTINE newmicro (paprs, pplay,ok_newmicro,
7	. t, pqlwp, pclc, pcltau, pclemi,
8	. pch, pcl, pcm, pct, pctlwp,
9	s xflwp, xfiwp, xflwc, xfiwc,
10	e ok_aie,
11	e mass_solu_aero, mass_solu_aero_pi,
12	e bl95_b0, bl95_b1,
13	s cldtaupi, re, fl, reliq, reice)
14
15	USE dimphy
16	USE phys_local_var_mod, only: scdnc,cldncl,reffclwtop,lcc,
17	. reffclws,reffclwc,cldnvi,lcc3d,
18	. lcc3dcon,lcc3dstra
19	USE phys_state_var_mod, only: rnebcon,clwcon
20	IMPLICIT none
21	c======================================================================
22	c Auteur(s): Z.X. Li (LMD/CNRS) date: 19930910
23	c Objet: Calculer epaisseur optique et emmissivite des nuages
24	c======================================================================
25	c Arguments:
26	c t-------input-R-temperature
27	c pqlwp---input-R-eau liquide nuageuse dans l'atmosphere (kg/kg)
28	c pclc----input-R-couverture nuageuse pour le rayonnement (0 a 1)
29	c
30	c ok_aie--input-L-apply aerosol indirect effect or not
31	c mass_solu_aero-----input-R-total mass concentration for all soluble aerosols[ug/m^3]
32	c mass_solu_aero_pi--input-R-dito, pre-industrial value
33	c bl95_b0-input-R-a parameter, may be varied for tests (s-sea, l-land)
34	c bl95_b1-input-R-a parameter, may be varied for tests ( -"- )
35	c
36	c cldtaupi-output-R-pre-industrial value of cloud optical thickness,
37	c needed for the diagnostics of the aerosol indirect
38	c radiative forcing (see radlwsw)
39	c re------output-R-Cloud droplet effective radius multiplied by fl [um]
40	c fl------output-R-Denominator to re, introduced to avoid problems in
41	c the averaging of the output. fl is the fraction of liquid
42	c water clouds within a grid cell
43	c pcltau--output-R-epaisseur optique des nuages
44	c pclemi--output-R-emissivite des nuages (0 a 1)
45	c======================================================================
46	C
47	#include "YOMCST.h"
48	c
49	cym#include "dimensions.h"
50	cym#include "dimphy.h"
51	#include "nuage.h"
52	cIM cf. CR: include pour NOVLP et ZEPSEC
53	#include "radepsi.h"
54	#include "radopt.h"
55	c choix de l'hypothese de recouvrememnt nuageuse
56	LOGICAL RANDOM,MAXIMUM_RANDOM,MAXIMUM
57	parameter (RANDOM=.FALSE., MAXIMUM_RANDOM=.TRUE., MAXIMUM=.FALSE.)
58	LOGICAL, SAVE :: FIRST=.TRUE.
59	!$OMP THREADPRIVATE(FIRST)
60	c Hypoyhese de recouvrement : MAXIMUM_RANDOM
61	INTEGER flag_max
62	REAL phase3d(klon, klev),dh(klon, klev),pdel(klon, klev),
63	. zrho(klon, klev)
64	REAL tcc(klon), ftmp(klon), lcc_integrat(klon), height(klon)
65	REAL thres_tau,thres_neb
66	PARAMETER (thres_tau=0.3, thres_neb=0.001)
67	REAL t_tmp
68	REAL gravit
69	PARAMETER (gravit=9.80616) !m/s2
70	REAL pqlwpcon(klon, klev), pqlwpstra(klon, klev)
71	c
72	REAL paprs(klon,klev+1), pplay(klon,klev)
73	REAL t(klon,klev)
74	c
75	REAL pclc(klon,klev)
76	REAL pqlwp(klon,klev)
77	REAL pcltau(klon,klev), pclemi(klon,klev)
78	c
79	REAL pct(klon), pctlwp(klon), pch(klon), pcl(klon), pcm(klon)
80	c
81	LOGICAL lo
82	c
83	!!Abderr modif JL mail du 19.01.2011 18:31
84	! REAL cetahb, cetamb
85	! PARAMETER (cetahb = 0.45, cetamb = 0.80)
86	! Remplacer
87	!cetahb*paprs(i,1) par prmhc
88	!cetamb*paprs(i,1) par prlmc
89	REAL prmhc ! Pressure between medium and high level cloud
90	REAL prlmc ! Pressure between low and medium level cloud
91	PARAMETER (prmhc = 440.100., prlmc = 680.100.)
92
93	C
94	INTEGER i, k
95	cIM: 091003 REAL zflwp, zradef, zfice, zmsac
96	REAL zflwp(klon), zradef, zfice, zmsac
97	cIM: 091003 rajout
98	REAL xflwp(klon), xfiwp(klon)
99	REAL xflwc(klon,klev), xfiwc(klon,klev)
100	c
101	REAL radius, rad_chaud
102	cc PARAMETER (rad_chau1=13.0, rad_chau2=9.0, rad_froid=35.0)
103	ccc PARAMETER (rad_chaud=15.0, rad_froid=35.0)
104	c sintex initial PARAMETER (rad_chaud=10.0, rad_froid=30.0)
105	REAL coef, coef_froi, coef_chau
106	PARAMETER (coef_chau=0.13, coef_froi=0.09)
107	REAL seuil_neb
108	PARAMETER (seuil_neb=0.001)
109	INTEGER nexpo ! exponentiel pour glace/eau
110	PARAMETER (nexpo=6)
111	ccc PARAMETER (nexpo=1)
112
113	c -- sb:
114	logical ok_newmicro
115	c parameter (ok_newmicro=.FALSE.)
116	cIM: 091003 real rel, tc, rei, zfiwp
117	real rel, tc, rei, zfiwp(klon)
118	real k_liq, k_ice0, k_ice, DF
119	parameter (k_liq=0.0903, k_ice0=0.005) ! units=m2/g
120	parameter (DF=1.66) ! diffusivity factor
121	c sb --
122	cjq for the aerosol indirect effect
123	cjq introduced by Johannes Quaas (quaas@lmd.jussieu.fr), 27/11/2003
124	cjq
125	LOGICAL ok_aie ! Apply AIE or not?
126	LOGICAL ok_a1lwpdep ! a1 LWP dependent?
127
128	REAL mass_solu_aero(klon, klev) ! total mass concentration for all soluble aerosols [ug m-3]
129	REAL mass_solu_aero_pi(klon, klev) ! - " - (pre-industrial value)
130	REAL cdnc(klon, klev) ! cloud droplet number concentration [m-3]
131	REAL re(klon, klev) ! cloud droplet effective radius [um]
132	REAL cdnc_pi(klon, klev) ! cloud droplet number concentration [m-3] (pi value)
133	REAL re_pi(klon, klev) ! cloud droplet effective radius [um] (pi value)
134
135	REAL fl(klon, klev) ! xliq * rneb (denominator to re; fraction of liquid water clouds within the grid cell)
136
137	REAL bl95_b0, bl95_b1 ! Parameter in B&L 95-Formula
138
139	REAL cldtaupi(klon, klev) ! pre-industrial cloud opt thickness for diag
140	cjq-end
141	cIM cf. CR:parametres supplementaires
142	REAL zclear(klon)
143	REAL zcloud(klon)
144	REAL zcloudh(klon)
145	REAL zcloudm(klon)
146	REAL zcloudl(klon)
147
148
149	c **************************
150	c * *
151	c * DEBUT PARTIE OPTIMISEE *
152	c * *
153	c **************************
154
155	REAL diff_paprs(klon, klev), zfice1, zfice2(klon, klev)
156	REAL rad_chaud_tab(klon, klev), zflwp_var, zfiwp_var
157
158	! Abderrahmane oct 2009
159	Real reliq(klon, klev), reice(klon, klev)
160
161	c
162	c Calculer l'epaisseur optique et l'emmissivite des nuages
163	c
164	c IM inversion des DO
165	xflwp = 0.d0
166	xfiwp = 0.d0
167	xflwc = 0.d0
168	xfiwc = 0.d0
169
170	! Initialisation
171	reliq=0.
172	reice=0.
173
174	DO k = 1, klev
175	DO i = 1, klon
176	diff_paprs(i,k) = (paprs(i,k)-paprs(i,k+1))/RG
177	ENDDO
178	ENDDO
179
180	IF (ok_newmicro) THEN
181
182
183	DO k = 1, klev
184	DO i = 1, klon
185	c zfice2(i,k) = 1.0 - (t(i,k)-t_glace) / (273.13-t_glace)
186	zfice2(i,k) = 1.0 - (t(i,k)-t_glace_min) /
187	& (t_glace_max-t_glace_min)
188	zfice2(i,k) = MIN(MAX(zfice2(i,k),0.0),1.0)
189	c IM Total Liquid/Ice water content
190	xflwc(i,k) = (1.-zfice2(i,k))*pqlwp(i,k)
191	xfiwc(i,k) = zfice2(i,k)*pqlwp(i,k)
192	c IM In-Cloud Liquid/Ice water content
193	c xflwc(i,k) = xflwc(i,k)+(1.-zfice)*pqlwp(i,k)/pclc(i,k)
194	c xfiwc(i,k) = xfiwc(i,k)+zfice*pqlwp(i,k)/pclc(i,k)
195	ENDDO
196	ENDDO
197
198	IF (ok_aie) THEN
199	DO k = 1, klev
200	DO i = 1, klon
201	! Formula "D" of Boucher and Lohmann, Tellus, 1995
202	!
203	cdnc(i,k) = 10.*(bl95_b0+bl95_b1
204	& log(MAX(mass_solu_aero(i,k),1.e-4))/log(10.))*1.e6 !-m-3
205	! Cloud droplet number concentration (CDNC) is restricted
206	! to be within [20, 1000 cm^3]
207	!
208	cdnc(i,k)=MIN(1000.e6,MAX(20.e6,cdnc(i,k)))
209	!
210	!
211	cdnc_pi(i,k) = 10.*(bl95_b0+bl95_b1
212	& log(MAX(mass_solu_aero_pi(i,k),1.e-4))/log(10.))
213	& *1.e6 !-m-3
214	cdnc_pi(i,k)=MIN(1000.e6,MAX(20.e6,cdnc_pi(i,k)))
215	ENDDO
216	ENDDO
217	DO k = 1, klev
218	DO i = 1, klon
219	! rad_chaud_tab(i,k) =
220	! & MAX(1.1e6
221	! & ((pqlwp(i,k)pplay(i,k)/(RD * T(i,k)))
222	! & /(4./3RPI1000.cdnc(i,k)) )*(1./3.),5.)
223	rad_chaud_tab(i,k) =
224	& 1.1
225	& ((pqlwp(i,k)pplay(i,k)/(RD * T(i,k)))
226	& /(4./3RPI1000.cdnc(i,k)) )*(1./3.)
227	rad_chaud_tab(i,k) = MAX(rad_chaud_tab(i,k) * 1e6, 5.)
228	ENDDO
229	ENDDO
230	ELSE
231	DO k = 1, MIN(3,klev)
232	DO i = 1, klon
233	rad_chaud_tab(i,k) = rad_chau2
234	ENDDO
235	ENDDO
236	DO k = MIN(3,klev)+1, klev
237	DO i = 1, klon
238	rad_chaud_tab(i,k) = rad_chau1
239	ENDDO
240	ENDDO
241
242	ENDIF
243
244	DO k = 1, klev
245	! IF(.not.ok_aie) THEN
246	rad_chaud = rad_chau1
247	IF (k.LE.3) rad_chaud = rad_chau2
248	! ENDIF
249	DO i = 1, klon
250	IF (pclc(i,k) .LE. seuil_neb) THEN
251
252	c -- effective cloud droplet radius (microns):
253
254	c for liquid water clouds:
255	! For output diagnostics
256	!
257	! Cloud droplet effective radius [um]
258	!
259	! we multiply here with f * xl (fraction of liquid water
260	! clouds in the grid cell) to avoid problems in the
261	! averaging of the output.
262	! In the output of IOIPSL, derive the real cloud droplet
263	! effective radius as re/fl
264	!
265
266	fl(i,k) = seuil_neb*(1.-zfice2(i,k))
267	re(i,k) = rad_chaud_tab(i,k)*fl(i,k)
268
269	rel = 0.
270	rei = 0.
271	pclc(i,k) = 0.0
272	pcltau(i,k) = 0.0
273	pclemi(i,k) = 0.0
274	cldtaupi(i,k) = 0.0
275	ELSE
276
277	c -- liquid/ice cloud water paths:
278
279	zflwp_var= 1000.(1.-zfice2(i,k))pqlwp(i,k)/pclc(i,k)
280	& *diff_paprs(i,k)
281	zfiwp_var= 1000.zfice2(i,k)pqlwp(i,k)/pclc(i,k)
282	& *diff_paprs(i,k)
283
284	c -- effective cloud droplet radius (microns):
285
286	c for liquid water clouds:
287
288	IF (ok_aie) THEN
289	radius =
290	& 1.1
291	& ((pqlwp(i,k)pplay(i,k)/(RD * T(i,k)))
292	& /(4./3.RPI1000.cdnc_pi(i,k)))*(1./3.)
293	radius = MAX(radius*1e6, 5.)
294
295	tc = t(i,k)-273.15
296	rei = 0.71*tc + 61.29
297	if (tc.le.-81.4) rei = 3.5
298	if (zflwp_var.eq.0.) radius = 1.
299	if (zfiwp_var.eq.0. .or. rei.le.0.) rei = 1.
300	cldtaupi(i,k) = 3.0/2.0 * zflwp_var / radius
301	& + zfiwp_var * (3.448e-03 + 2.431/rei)
302
303	ENDIF ! ok_aie
304	! For output diagnostics
305	!
306	! Cloud droplet effective radius [um]
307	!
308	! we multiply here with f * xl (fraction of liquid water
309	! clouds in the grid cell) to avoid problems in the
310	! averaging of the output.
311	! In the output of IOIPSL, derive the real cloud droplet
312	! effective radius as re/fl
313	!
314
315	fl(i,k) = pclc(i,k)*(1.-zfice2(i,k))
316	re(i,k) = rad_chaud_tab(i,k)*fl(i,k)
317
318	rel = rad_chaud_tab(i,k)
319	c for ice clouds: as a function of the ambiant temperature
320	c [formula used by Iacobellis and Somerville (2000), with an
321	c asymptotical value of 3.5 microns at T<-81.4 C added to be
322	c consistent with observations of Heymsfield et al. 1986]:
323	tc = t(i,k)-273.15
324	rei = 0.71*tc + 61.29
325	if (tc.le.-81.4) rei = 3.5
326	c -- cloud optical thickness :
327
328	c [for liquid clouds, traditional formula,
329	c for ice clouds, Ebert & Curry (1992)]
330
331	if (zflwp_var.eq.0.) rel = 1.
332	if (zfiwp_var.eq.0. .or. rei.le.0.) rei = 1.
333	pcltau(i,k) = 3.0/2.0 * ( zflwp_var/rel )
334	& + zfiwp_var * (3.448e-03 + 2.431/rei)
335	c -- cloud infrared emissivity:
336
337	c [the broadband infrared absorption coefficient is parameterized
338	c as a function of the effective cld droplet radius]
339
340	c Ebert and Curry (1992) formula as used by Kiehl & Zender (1995):
341	k_ice = k_ice0 + 1.0/rei
342
343	pclemi(i,k) = 1.0
344	& - EXP( -coef_chauzflwp_var - DFk_ice*zfiwp_var)
345
346	ENDIF
347	reliq(i,k)=rel
348	reice(i,k)=rei
349	! if (i.eq.1) then
350	! print*,'Dans newmicro rel, rei :',rel, rei
351	! print*,'Dans newmicro reliq, reice :',
352	! $ reliq(i,k),reice(i,k)
353	! endif
354
355	ENDDO
356	ENDDO
357
358	DO k = 1, klev
359	DO i = 1, klon
360	xflwp(i) = xflwp(i)+ xflwc(i,k) * diff_paprs(i,k)
361	xfiwp(i) = xfiwp(i)+ xfiwc(i,k) * diff_paprs(i,k)
362	ENDDO
363	ENDDO
364
365	ELSE
366	DO k = 1, klev
367	rad_chaud = rad_chau1
368	IF (k.LE.3) rad_chaud = rad_chau2
369	DO i = 1, klon
370
371	IF (pclc(i,k) .LE. seuil_neb) THEN
372
373	pclc(i,k) = 0.0
374	pcltau(i,k) = 0.0
375	pclemi(i,k) = 0.0
376	cldtaupi(i,k) = 0.0
377
378	ELSE
379
380	zflwp_var = 1000.pqlwp(i,k)diff_paprs(i,k)
381	& /pclc(i,k)
382
383	zfice1 = MIN(
384	& MAX( 1.0 - (t(i,k)-t_glace_min) /
385	& (t_glace_max-t_glace_min),0.0),1.0)**nexpo
386
387	radius = rad_chaud * (1.-zfice1) + rad_froid * zfice1
388	coef = coef_chau * (1.-zfice1) + coef_froi * zfice1
389
390	pcltau(i,k) = 3.0 * zflwp_var / (2.0 * radius)
391	pclemi(i,k) = 1.0 - EXP( - coef * zflwp_var)
392
393	ENDIF
394
395	ENDDO
396	ENDDO
397	ENDIF
398
399	IF (.NOT.ok_aie) THEN
400	DO k = 1, klev
401	DO i = 1, klon
402	cldtaupi(i,k)=pcltau(i,k)
403	ENDDO
404	ENDDO
405	ENDIF
406
407	ccc DO k = 1, klev
408	ccc DO i = 1, klon
409	ccc t(i,k) = t(i,k)
410	ccc pclc(i,k) = MAX( 1.e-5 , pclc(i,k) )
411	ccc lo = pclc(i,k) .GT. (2.*1.e-5)
412	ccc zflwp = pqlwp(i,k)1000.(paprs(i,k)-paprs(i,k+1))
413	ccc . /(rg*pclc(i,k))
414	ccc zradef = 10.0 + (1.-sigs(k))*45.0
415	ccc pcltau(i,k) = 1.5 * zflwp / zradef
416	ccc zfice=1.0-MIN(MAX((t(i,k)-263.)/(273.-263.),0.0),1.0)
417	ccc zmsac = 0.13(1.0-zfice) + 0.08zfice
418	ccc pclemi(i,k) = 1.-EXP(-zmsac*zflwp)
419	ccc if (.NOT.lo) pclc(i,k) = 0.0
420	ccc if (.NOT.lo) pcltau(i,k) = 0.0
421	ccc if (.NOT.lo) pclemi(i,k) = 0.0
422	ccc ENDDO
423	ccc ENDDO
424	ccccc print*, 'pas de nuage dans le rayonnement'
425	ccccc DO k = 1, klev
426	ccccc DO i = 1, klon
427	ccccc pclc(i,k) = 0.0
428	ccccc pcltau(i,k) = 0.0
429	ccccc pclemi(i,k) = 0.0
430	ccccc ENDDO
431	ccccc ENDDO
432	C
433	C COMPUTE CLOUD LIQUID PATH AND TOTAL CLOUDINESS
434	C
435	c IM cf. CR:test: calcul prenant ou non en compte le recouvrement
436	c initialisations
437	DO i=1,klon
438	zclear(i)=1.
439	zcloud(i)=0.
440	zcloudh(i)=0.
441	zcloudm(i)=0.
442	zcloudl(i)=0.
443	pch(i)=1.0
444	pcm(i) = 1.0
445	pcl(i) = 1.0
446	pctlwp(i) = 0.0
447	ENDDO
448	C
449	cIM cf CR DO k=1,klev
450	DO k = klev, 1, -1
451	DO i = 1, klon
452	pctlwp(i) = pctlwp(i)
453	& + pqlwp(i,k)*diff_paprs(i,k)
454	ENDDO
455	ENDDO
456	c IM cf. CR
457	IF (NOVLP.EQ.1) THEN
458	DO k = klev, 1, -1
459	DO i = 1, klon
460	zclear(i)=zclear(i)*(1.-MAX(pclc(i,k),zcloud(i)))
461	& /(1.-MIN(real(zcloud(i), kind=8),1.-ZEPSEC))
462	pct(i)=1.-zclear(i)
463	IF (paprs(i,k).LT.prmhc) THEN
464	pch(i) = pch(i)*(1.-MAX(pclc(i,k),zcloudh(i)))
465	& /(1.-MIN(real(zcloudh(i), kind=8),1.-ZEPSEC))
466	zcloudh(i)=pclc(i,k)
467	ELSE IF (paprs(i,k).GE.prmhc .AND.
468	& paprs(i,k).LT.prlmc) THEN
469	pcm(i) = pcm(i)*(1.-MAX(pclc(i,k),zcloudm(i)))
470	& /(1.-MIN(real(zcloudm(i), kind=8),1.-ZEPSEC))
471	zcloudm(i)=pclc(i,k)
472	ELSE IF (paprs(i,k).GE.prlmc) THEN
473	pcl(i) = pcl(i)*(1.-MAX(pclc(i,k),zcloudl(i)))
474	& /(1.-MIN(real(zcloudl(i), kind=8),1.-ZEPSEC))
475	zcloudl(i)=pclc(i,k)
476	endif
477	zcloud(i)=pclc(i,k)
478	ENDDO
479	ENDDO
480	ELSE IF (NOVLP.EQ.2) THEN
481	DO k = klev, 1, -1
482	DO i = 1, klon
483	zcloud(i)=MAX(pclc(i,k),zcloud(i))
484	pct(i)=zcloud(i)
485	IF (paprs(i,k).LT.prmhc) THEN
486	pch(i) = MIN(pclc(i,k),pch(i))
487	ELSE IF (paprs(i,k).GE.prmhc .AND.
488	& paprs(i,k).LT.prlmc) THEN
489	pcm(i) = MIN(pclc(i,k),pcm(i))
490	ELSE IF (paprs(i,k).GE.prlmc) THEN
491	pcl(i) = MIN(pclc(i,k),pcl(i))
492	endif
493	ENDDO
494	ENDDO
495	ELSE IF (NOVLP.EQ.3) THEN
496	DO k = klev, 1, -1
497	DO i = 1, klon
498	zclear(i)=zclear(i)*(1.-pclc(i,k))
499	pct(i)=1-zclear(i)
500	IF (paprs(i,k).LT.prmhc) THEN
501	pch(i) = pch(i)*(1.0-pclc(i,k))
502	ELSE IF (paprs(i,k).GE.prmhc .AND.
503	& paprs(i,k).LT.prlmc) THEN
504	pcm(i) = pcm(i)*(1.0-pclc(i,k))
505	ELSE IF (paprs(i,k).GE.prlmc) THEN
506	pcl(i) = pcl(i)*(1.0-pclc(i,k))
507	endif
508	ENDDO
509	ENDDO
510	ENDIF
511
512	C
513	DO i = 1, klon
514	c IM cf. CR pct(i)=1.-pct(i)
515	pch(i)=1.-pch(i)
516	pcm(i)=1.-pcm(i)
517	pcl(i)=1.-pcl(i)
518	ENDDO
519
520	c ========================================================
521	! DIAGNOSTICS CALCULATION FOR CMIP5 PROTOCOL
522	c ========================================================
523	!! change by Nicolas Yan (LSCE)
524	!! Cloud Droplet Number Concentration (CDNC) : 3D variable
525	!! Fractionnal cover by liquid water cloud (LCC3D) : 3D variable
526	!! Cloud Droplet Number Concentration at top of cloud (CLDNCL) : 2D variable
527	!! Droplet effective radius at top of cloud (REFFCLWTOP) : 2D variable
528	!! Fractionnal cover by liquid water at top of clouds (LCC) : 2D variable
529	IF (ok_newmicro) THEN
530	IF (ok_aie) THEN
531	DO k = 1, klev
532	DO i = 1, klon
533	phase3d(i,k)=1-zfice2(i,k)
534	IF (pclc(i,k) .LE. seuil_neb) THEN
535	lcc3d(i,k)=seuil_neb*phase3d(i,k)
536	ELSE
537	lcc3d(i,k)=pclc(i,k)*phase3d(i,k)
538	ENDIF
539	scdnc(i,k)=lcc3d(i,k)*cdnc(i,k) ! m-3
540	ENDDO
541	ENDDO
542
543	DO i=1,klon
544	lcc(i)=0.
545	reffclwtop(i)=0.
546	cldncl(i)=0.
547	IF(RANDOM .OR. MAXIMUM_RANDOM) tcc(i) = 1.
548	IF(MAXIMUM) tcc(i) = 0.
549	ENDDO
550
551
552	DO i=1,klon
553	DO k=klev-1,1,-1 !From TOA down
554
555
556	! Test, if the cloud optical depth exceeds the necessary
557	! threshold:
558
559	IF (pcltau(i,k).GT.thres_tau .AND. pclc(i,k).GT.thres_neb)
560	. THEN
561	! To calculate the right Temperature at cloud top,
562	! interpolate it between layers:
563	t_tmp = t(i,k) +
564	. (paprs(i,k+1)-pplay(i,k))/(pplay(i,k+1)-pplay(i,k))
565	. * ( t(i,k+1) - t(i,k) )
566
567	IF(MAXIMUM) THEN
568	IF(FIRST) THEN
569	write(,)'Hypothese de recouvrement: MAXIMUM'
570	FIRST=.FALSE.
571	ENDIF
572	flag_max= -1.
573	ftmp(i) = MAX(tcc(i),pclc(i,k))
574	ENDIF
575
576	IF(RANDOM) THEN
577	IF(FIRST) THEN
578	write(,)'Hypothese de recouvrement: RANDOM'
579	FIRST=.FALSE.
580	ENDIF
581	flag_max= 1.
582	ftmp(i) = tcc(i) * (1-pclc(i,k))
583	ENDIF
584
585	IF(MAXIMUM_RANDOM) THEN
586	IF(FIRST) THEN
587	write(,)'Hypothese de recouvrement: MAXIMUM_
588	. RANDOM'
589	FIRST=.FALSE.
590	ENDIF
591	flag_max= 1.
592	ftmp(i) = tcc(i) *
593	. (1. - MAX(pclc(i,k),pclc(i,k+1))) /
594	. (1. - MIN(pclc(i,k+1),1.-thres_neb))
595	ENDIF
596	c Effective radius of cloud droplet at top of cloud (m)
597	reffclwtop(i) = reffclwtop(i) + rad_chaud_tab(i,k) *
598	. 1.0E-06 * phase3d(i,k) * ( tcc(i) - ftmp(i))*flag_max
599	c CDNC at top of cloud (m-3)
600	cldncl(i) = cldncl(i) + cdnc(i,k) * phase3d(i,k) *
601	. (tcc(i) - ftmp(i))*flag_max
602	c Liquid Cloud Content at top of cloud
603	lcc(i) = lcc(i) + phase3d(i,k) * (tcc(i)-ftmp(i))*
604	. flag_max
605	c Total Cloud Content at top of cloud
606	tcc(i)=ftmp(i)
607
608	ENDIF ! is there a visible, not-too-small cloud?
609	ENDDO ! loop over k
610
611	IF(RANDOM .OR. MAXIMUM_RANDOM) tcc(i)=1.-tcc(i)
612	ENDDO ! loop over i
613
614	!! Convective and Stratiform Cloud Droplet Effective Radius (REFFCLWC REFFCLWS)
615	DO i = 1, klon
616	DO k = 1, klev
617	pqlwpcon(i,k)=rnebcon(i,k)*clwcon(i,k) ! fraction eau liquide convective
618	pqlwpstra(i,k)=pclc(i,k)*phase3d(i,k)-pqlwpcon(i,k) ! fraction eau liquide stratiforme
619	IF (pqlwpstra(i,k) .LE. 0.0) pqlwpstra(i,k)=0.0
620	! Convective Cloud Droplet Effective Radius (REFFCLWC) : variable 3D
621	reffclwc(i,k)=1.1
622	& ((pqlwpcon(i,k)pplay(i,k)/(RD * T(i,k)))
623	& /(4./3RPI1000.cdnc(i,k)) )*(1./3.)
624	reffclwc(i,k) = MAX(reffclwc(i,k) * 1e6, 5.)
625
626	! Stratiform Cloud Droplet Effective Radius (REFFCLWS) : variable 3D
627	IF ((pclc(i,k)-rnebcon(i,k)) .LE. seuil_neb) THEN ! tout sous la forme convective
628	reffclws(i,k)=0.0
629	lcc3dstra(i,k)= 0.0
630	ELSE
631	reffclws(i,k) = (pclc(i,k)phase3d(i,k)
632	& rad_chaud_tab(i,k)-
633	& pqlwpcon(i,k)*reffclwc(i,k))
634	IF(reffclws(i,k) .LE. 0.0) reffclws(i,k)=0.0
635	lcc3dstra(i,k)=pqlwpstra(i,k)
636	ENDIF
637	!Convertion from um to m
638	IF(rnebcon(i,k). LE. seuil_neb) THEN
639	reffclwc(i,k) = reffclwc(i,k)seuil_nebclwcon(i,k)
640	& *1.0E-06
641	lcc3dcon(i,k)= seuil_neb*clwcon(i,k)
642	ELSE
643	reffclwc(i,k) = reffclwc(i,k)*pqlwpcon(i,k)
644	& *1.0E-06
645	lcc3dcon(i,k) = pqlwpcon(i,k)
646	ENDIF
647
648	reffclws(i,k) = reffclws(i,k)*1.0E-06
649
650	ENDDO !klev
651	ENDDO !klon
652
653	!! Column Integrated Cloud Droplet Number (CLDNVI) : variable 2D
654	DO k = 1, klev
655	DO i = 1, klon
656	pdel(i,k) = paprs(i,k)-paprs(i,k+1)
657	zrho(i,k)=pplay(i,k)/t(i,k)/RD ! kg/m3
658	dh(i,k)=pdel(i,k)/(gravit*zrho(i,k)) ! hauteur de chaque boite (m)
659	ENDDO
660	ENDDO
661	c
662	DO i = 1, klon
663	cldnvi(i)=0.
664	lcc_integrat(i)=0.
665	height(i)=0.
666	DO k = 1, klev
667	cldnvi(i)=cldnvi(i)+cdnc(i,k)lcc3d(i,k)dh(i,k)
668	lcc_integrat(i)=lcc_integrat(i)+lcc3d(i,k)*dh(i,k)
669	height(i)=height(i)+dh(i,k)
670	ENDDO ! klev
671	lcc_integrat(i)=lcc_integrat(i)/height(i)
672	IF (lcc_integrat(i) .LE. 1.0E-03) THEN
673	cldnvi(i)=cldnvi(i)*lcc(i)/seuil_neb
674	ELSE
675	cldnvi(i)=cldnvi(i)*lcc(i)/lcc_integrat(i)
676	ENDIF
677	ENDDO ! klon
678
679	DO i = 1, klon
680	DO k = 1, klev
681	IF (scdnc(i,k) .LE. 0.0) scdnc(i,k)=0.0
682	IF (reffclws(i,k) .LE. 0.0) reffclws(i,k)=0.0
683	IF (reffclwc(i,k) .LE. 0.0) reffclwc(i,k)=0.0
684	IF (lcc3d(i,k) .LE. 0.0) lcc3d(i,k)=0.0
685	IF (lcc3dcon(i,k) .LE. 0.0) lcc3dcon(i,k)=0.0
686	IF (lcc3dstra(i,k) .LE. 0.0) lcc3dstra(i,k)=0.0
687	ENDDO
688	IF (reffclwtop(i) .LE. 0.0) reffclwtop(i)=0.0
689	IF (cldncl(i) .LE. 0.0) cldncl(i)=0.0
690	IF (cldnvi(i) .LE. 0.0) cldnvi(i)=0.0
691	IF (lcc(i) .LE. 0.0) lcc(i)=0.0
692	ENDDO
693
694	ENDIF !ok_aie
695	ENDIF !ok newmicro
696	c
697	C
698	RETURN
699	END

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