Context Navigation

← Previous Revision
Latest Revision
Next Revision →
Blame
Revision Log

newmicro.F90 @ 1672

Last change on this file since 1672 was 1, checked in by lfita, 11 years ago

-- --- Opening of the WRF+LMDZ coupling repository --- -- -

WRF: version v3.3
LMDZ: version v1818

More details in:

File size: 22.5 KB

Line
1	! $Id: newmicro.F 1750 2013-04-25 15:27:27Z fairhead $
2
3
4	!
5	SUBROUTINE newmicro (ok_cdnc, bl95_b0, bl95_b1, &
6	& paprs, pplay, &
7	& t, pqlwp, pclc, pcltau, pclemi, &
8	& pch, pcl, pcm, pct, pctlwp, &
9	& xflwp, xfiwp, xflwc, xfiwc, &
10	& mass_solu_aero, mass_solu_aero_pi, &
11	& pcldtaupi, re, fl, reliq, reice)
12	!c
13	USE dimphy
14	USE phys_local_var_mod, only: scdnc,cldncl,reffclwtop,lcc, &
15	& reffclws,reffclwc,cldnvi,lcc3d, &
16	& lcc3dcon,lcc3dstra
17	USE phys_state_var_mod, only: rnebcon,clwcon
18	IMPLICIT none
19	!c======================================================================
20	!c Auteur(s): Z.X. Li (LMD/CNRS) date: 19930910
21	!c O. Boucher (LMD/CNRS) mise a jour en 201212
22	!c Objet: Calculer epaisseur optique et emmissivite des nuages
23	!c======================================================================
24	!c Arguments:
25	!c ok_cdnc-input-L-flag pour calculer les rayons a partir des aerosols
26	!c
27	!c t-------input-R-temperature
28	!c pqlwp---input-R-eau liquide nuageuse dans l'atmosphere dans la partie nuageuse (kg/kg)
29	!c pclc----input-R-couverture nuageuse pour le rayonnement (0 a 1)
30	!c mass_solu_aero-----input-R-total mass concentration for all soluble aerosols[ug/m^3]
31	!c mass_solu_aero_pi--input-R-ditto, pre-industrial value
32	!c
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 re------output-R-Cloud droplet effective radius multiplied by fl [um]
37	!c fl------output-R-Denominator to re, introduced to avoid problems in
38	!c the averaging of the output. fl is the fraction of liquid
39	!c water clouds within a grid cell
40	!c
41	!c pcltau--output-R-epaisseur optique des nuages
42	!c pclemi--output-R-emissivite des nuages (0 a 1)
43	!c pcldtaupi-output-R-pre-industrial value of cloud optical thickness,
44	!c
45	!c pcl-output-R-2D low-level cloud cover
46	!c pcm-output-R-2D mid-level cloud cover
47	!c pch-output-R-2D high-level cloud cover
48	!c pct-output-R-2D total cloud cover
49	!c======================================================================
50	!C
51	#include "YOMCST.h"
52	#include "nuage.h"
53	#include "radepsi.h"
54	#include "radopt.h"
55
56	!c choix de l'hypothese de recouvrememnt nuageuse
57	LOGICAL RANDOM, MAXIMUM_RANDOM, MAXIMUM
58	PARAMETER (RANDOM=.FALSE., MAXIMUM_RANDOM=.TRUE., MAXIMUM=.FALSE.)
59	!c
60	LOGICAL, SAVE :: FIRST=.TRUE.
61	!$OMP THREADPRIVATE(FIRST)
62	INTEGER flag_max
63	!c
64	!c threshold PARAMETERs
65	REAL thres_tau,thres_neb
66	PARAMETER (thres_tau=0.3, thres_neb=0.001)
67	!c
68	REAL phase3d(klon, klev)
69	REAL tcc(klon), ftmp(klon), lcc_integrat(klon), height(klon)
70	!c
71	REAL paprs(klon,klev+1)
72	REAL pplay(klon,klev)
73	REAL t(klon,klev)
74	REAL pclc(klon,klev)
75	REAL pqlwp(klon,klev)
76	REAL pcltau(klon,klev)
77	REAL pclemi(klon,klev)
78	REAL pcldtaupi(klon, klev)
79	!c
80	REAL pct(klon)
81	REAL pcl(klon)
82	REAL pcm(klon)
83	REAL pch(klon)
84	REAL pctlwp(klon)
85	!c
86	LOGICAL lo
87	!c
88	!!Abderr modif JL mail du 19.01.2011 18:31
89	! REAL cetahb, cetamb
90	! PARAMETER (cetahb = 0.45, cetamb = 0.80)
91	! Remplacer
92	! cetahb*paprs(i,1) par prmhc
93	! cetamb*paprs(i,1) par prlmc
94	REAL prmhc ! Pressure between medium and high level cloud in Pa
95	REAL prlmc ! Pressure between low and medium level cloud in Pa
96	PARAMETER (prmhc = 440.100., prlmc = 680.100.)
97	!C
98	INTEGER i, k
99	REAL xflwp(klon), xfiwp(klon)
100	REAL xflwc(klon,klev), xfiwc(klon,klev)
101	!c
102	REAL radius
103	!c
104	REAL coef_froi, coef_chau
105	PARAMETER (coef_chau=0.13, coef_froi=0.09)
106	!c
107	REAL seuil_neb
108	PARAMETER (seuil_neb=0.001)
109	!c
110	INTEGER nexpo ! exponentiel pour glace/eau
111	PARAMETER (nexpo=6)
112	!c PARAMETER (nexpo=1)
113
114	REAL rel, tc, rei
115	REAL k_ice0, k_ice, DF
116	PARAMETER (k_ice0=0.005) ! units=m2/g
117	PARAMETER (DF=1.66) ! diffusivity factor
118	!c
119	!cjq for the aerosol indirect effect
120	!cjq introduced by Johannes Quaas (quaas@lmd.jussieu.fr), 27/11/2003
121	!cjq
122	REAL mass_solu_aero(klon, klev) ! total mass concentration for all soluble aerosols [ug m-3]
123	REAL mass_solu_aero_pi(klon, klev) ! - " - (pre-industrial value)
124	REAL cdnc(klon, klev) ! cloud droplet number concentration [m-3]
125	REAL re(klon, klev) ! cloud droplet effective radius [um]
126	REAL cdnc_pi(klon, klev) ! cloud droplet number concentration [m-3] (pi value)
127	REAL re_pi(klon, klev) ! cloud droplet effective radius [um] (pi value)
128
129	REAL fl(klon, klev) ! xliq * rneb (denominator to re; fraction of liquid water clouds within the grid cell)
130
131	LOGICAL ok_cdnc
132	REAL bl95_b0, bl95_b1 ! Parameter in B&L 95-Formula
133
134	!cjq-end
135	!IM cf. CR:parametres supplementaires
136	REAL zclear(klon)
137	REAL zcloud(klon)
138	REAL zcloudh(klon)
139	REAL zcloudm(klon)
140	REAL zcloudl(klon)
141	REAL rhodz(klon, klev) !--rho*dz pour la couche
142	REAL zrho(klon, klev) !--rho pour la couche
143	REAL dh(klon, klev) !--dz pour la couche
144	REAL zfice(klon, klev)
145	REAL rad_chaud(klon, klev) !--rayon pour les nuages chauds
146	REAL zflwp_var, zfiwp_var
147	REAL d_rei_dt
148
149	! Abderrahmane oct 2009
150	Real reliq(klon, klev), reice(klon, klev)
151
152	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
153	! FH : 2011/05/24
154	!
155	! rei = ( rei_max - rei_min ) * T(Â°C) / 81.4 + rei_max
156	! to be used for a temperature in celcius T(Â°C) < 0
157	! rei=rei_min for T(Â°C) < -81.4
158	!
159	! Calcul de la pente de la relation entre rayon effective des cristaux
160	! et la tempÃ©rature.
161	! Pour retrouver les rÃ©sultats numÃ©riques de la version d'origine,
162	! on impose 0.71 quand on est proche de 0.71
163	!c
164	d_rei_dt=(rei_max-rei_min)/81.4
165	if (abs(d_rei_dt-0.71)<1.e-4) d_rei_dt=0.71
166	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
167	!c
168	!c Calculer l'epaisseur optique et l'emmissivite des nuages
169	!c IM inversion des DO
170	!c
171	xflwp = 0.d0
172	xfiwp = 0.d0
173	xflwc = 0.d0
174	xfiwc = 0.d0
175	!c
176	reliq=0.
177	reice=0.
178	!c
179	DO k = 1, klev
180	DO i = 1, klon
181	!c-layer calculation
182	rhodz(i,k) = (paprs(i,k)-paprs(i,k+1))/RG ! kg/m2
183	zrho(i,k)=pplay(i,k)/t(i,k)/RD ! kg/m3
184	dh(i,k)=rhodz(i,k)/zrho(i,k) ! m
185	!c-Fraction of ice in cloud using a linear transition
186	zfice(i,k) = 1.0 - (t(i,k)-t_glace_min) / &
187	& (t_glace_max-t_glace_min)
188	zfice(i,k) = MIN(MAX(zfice(i,k),0.0),1.0)
189	!c-IM Total Liquid/Ice water content
190	xflwc(i,k) = (1.-zfice(i,k))*pqlwp(i,k)
191	xfiwc(i,k) = zfice(i,k)*pqlwp(i,k)
192	ENDDO
193	ENDDO
194
195	IF (ok_cdnc) THEN
196	!c
197	!c--we compute cloud properties as a function of the aerosol load
198	!c
199	DO k = 1, klev
200	DO i = 1, klon
201	!c
202	!c Formula "D" of Boucher and Lohmann, Tellus, 1995
203	!c Cloud droplet number concentration (CDNC) is restricted
204	!c to be within [20, 1000 cm^3]
205	!c
206	!c--present-day case
207	cdnc(i,k) = 10.*(bl95_b0+bl95_b1 &
208	& log(MAX(mass_solu_aero(i,k),1.e-4))/log(10.))*1.e6 !-m-3
209	cdnc(i,k)=MIN(1000.e6,MAX(20.e6,cdnc(i,k)))
210	!c
211	!c--pre-industrial case
212	cdnc_pi(i,k) = 10.*(bl95_b0+bl95_b1 &
213	& log(MAX(mass_solu_aero_pi(i,k),1.e-4))/log(10.)) &
214	& *1.e6 !-m-3
215	cdnc_pi(i,k)=MIN(1000.e6,MAX(20.e6,cdnc_pi(i,k)))
216	!c
217	!c--present-day case
218	rad_chaud(i,k) = &
219	& 1.1((pqlwp(i,k)pplay(i,k)/(RD * T(i,k))) &
220	& /(4./3RPI1000.cdnc(i,k)) )*(1./3.)
221	rad_chaud(i,k) = MAX(rad_chaud(i,k) * 1.e6, 5.)
222	!c
223	!c--pre-industrial case
224	radius = &
225	& 1.1((pqlwp(i,k)pplay(i,k)/(RD * T(i,k))) &
226	& /(4./3.RPI1000.cdnc_pi(i,k)))*(1./3.)
227	radius = MAX(radius*1.e6, 5.)
228	!c
229	!c--pre-industrial case
230	!c--liquid/ice cloud water paths:
231	IF (pclc(i,k) .LE. seuil_neb) THEN
232	!c
233	pcldtaupi(i,k) = 0.0
234	!c
235	ELSE
236	!c
237	zflwp_var= 1000.(1.-zfice(i,k))pqlwp(i,k)/pclc(i,k) &
238	& *rhodz(i,k)
239	zfiwp_var= 1000.zfice(i,k)pqlwp(i,k)/pclc(i,k) &
240	& *rhodz(i,k)
241	tc = t(i,k)-273.15
242	rei = d_rei_dt*tc + rei_max
243	if (tc.le.-81.4) rei = rei_min
244	!c
245	!c-- cloud optical thickness :
246	!c [for liquid clouds, traditional formula,
247	!c for ice clouds, Ebert & Curry (1992)]
248	!c
249	if (zflwp_var.eq.0.) radius = 1.
250	if (zfiwp_var.eq.0. .or. rei.le.0.) rei = 1.
251	pcldtaupi(i,k) = 3.0/2.0 * zflwp_var / radius &
252	& + zfiwp_var * (3.448e-03 + 2.431/rei)
253	!c
254	ENDIF
255	!c
256	ENDDO
257	ENDDO
258	!c
259	ELSE !--not ok_cdnc
260	!c
261	!c-prescribed cloud droplet radius
262	!c
263	DO k = 1, MIN(3,klev)
264	DO i = 1, klon
265	rad_chaud(i,k) = rad_chau2
266	ENDDO
267	ENDDO
268	DO k = MIN(3,klev)+1, klev
269	DO i = 1, klon
270	rad_chaud(i,k) = rad_chau1
271	ENDDO
272	ENDDO
273
274	ENDIF !--ok_cdnc
275	!c
276	!c--computation of cloud optical depth and emissivity
277	!c--in the general case
278	!c
279	DO k = 1, klev
280	DO i = 1, klon
281	!c
282	IF (pclc(i,k) .LE. seuil_neb) THEN
283	!c
284	!c effective cloud droplet radius (microns) for liquid water clouds:
285	!c For output diagnostics cloud droplet effective radius [um]
286	!c we multiply here with f * xl (fraction of liquid water
287	!c clouds in the grid cell) to avoid problems in the averaging of the output.
288	!c In the output of IOIPSL, derive the REAL cloud droplet
289	!c effective radius as re/fl
290	!c
291	fl(i,k) = seuil_neb*(1.-zfice(i,k))
292	re(i,k) = rad_chaud(i,k)*fl(i,k)
293	rel = 0.
294	rei = 0.
295	pclc(i,k) = 0.0
296	pcltau(i,k) = 0.0
297	pclemi(i,k) = 0.0
298	!c
299	ELSE
300	!c
301	!c -- liquid/ice cloud water paths:
302
303	zflwp_var= 1000.(1.-zfice(i,k))pqlwp(i,k)/pclc(i,k) &
304	& *rhodz(i,k)
305	zfiwp_var= 1000.zfice(i,k)pqlwp(i,k)/pclc(i,k) &
306	& *rhodz(i,k)
307	!c
308	!c effective cloud droplet radius (microns) for liquid water clouds:
309	!c For output diagnostics cloud droplet effective radius [um]
310	!c we multiply here with f * xl (fraction of liquid water
311	!c clouds in the grid cell) to avoid problems in the averaging of the output.
312	!c In the output of IOIPSL, derive the REAL cloud droplet
313	!c effective radius as re/fl
314	!c
315	fl(i,k) = pclc(i,k)*(1.-zfice(i,k))
316	re(i,k) = rad_chaud(i,k)*fl(i,k)
317	!c
318	rel = rad_chaud(i,k)
319	!c
320	!c for ice clouds: as a function of the ambiant temperature
321	!c [formula used by Iacobellis and Somerville (2000), with an
322	!c asymptotical value of 3.5 microns at T<-81.4 C added to be
323	!c consistent with observations of Heymsfield et al. 1986]:
324	!c 2011/05/24 : rei_min = 3.5 becomes a free PARAMETER as well as rei_max=61.29
325	!c
326	tc = t(i,k)-273.15
327	rei = d_rei_dt*tc + rei_max
328	if (tc.le.-81.4) rei = rei_min
329	!c
330	!c-- cloud optical thickness :
331	!c [for liquid clouds, traditional formula,
332	!c for ice clouds, Ebert & Curry (1992)]
333	!c
334	if (zflwp_var.eq.0.) rel = 1.
335	if (zfiwp_var.eq.0. .or. rei.le.0.) rei = 1.
336	pcltau(i,k) = 3.0/2.0 * ( zflwp_var/rel ) &
337	& + zfiwp_var * (3.448e-03 + 2.431/rei)
338	!c
339	!c -- cloud infrared emissivity:
340	!c [the broadband infrared absorption coefficient is PARAMETERized
341	!c as a function of the effective cld droplet radius]
342	!c Ebert and Curry (1992) formula as used by Kiehl & Zender (1995):
343	!c
344	k_ice = k_ice0 + 1.0/rei
345	!c
346	pclemi(i,k) = 1.0 &
347	& - EXP( -coef_chauzflwp_var - DFk_ice*zfiwp_var)
348	!c
349	ENDIF
350	!c
351	reliq(i,k)=rel
352	reice(i,k)=rei
353	!c
354	xflwp(i) = xflwp(i)+ xflwc(i,k) * rhodz(i,k)
355	xfiwp(i) = xfiwp(i)+ xfiwc(i,k) * rhodz(i,k)
356	!c
357	ENDDO
358	ENDDO
359	!c
360	!c--if cloud droplet radius is fixed, then pcldtaupi=pcltau
361	!c
362	IF (.NOT.ok_cdnc) THEN
363	DO k = 1, klev
364	DO i = 1, klon
365	pcldtaupi(i,k)=pcltau(i,k)
366	ENDDO
367	ENDDO
368	ENDIF
369	!C
370	!C COMPUTE CLOUD LIQUID PATH AND TOTAL CLOUDINESS
371	!c IM cf. CR:test: calcul prenant ou non en compte le recouvrement
372	!c initialisations
373	!c
374	DO i=1,klon
375	zclear(i)=1.
376	zcloud(i)=0.
377	zcloudh(i)=0.
378	zcloudm(i)=0.
379	zcloudl(i)=0.
380	pch(i)=1.0
381	pcm(i) = 1.0
382	pcl(i) = 1.0
383	pctlwp(i) = 0.0
384	ENDDO
385	!C
386	!c--calculation of liquid water path
387	!c
388	DO k = klev, 1, -1
389	DO i = 1, klon
390	pctlwp(i) = pctlwp(i)+ pqlwp(i,k)*rhodz(i,k)
391	ENDDO
392	ENDDO
393	!c
394	!c--calculation of cloud properties with cloud overlap
395	!c
396	IF (NOVLP.EQ.1) THEN
397	DO k = klev, 1, -1
398	DO i = 1, klon
399	zclear(i)=zclear(i)*(1.-MAX(pclc(i,k),zcloud(i))) &
400	& /(1.-MIN(REAL(zcloud(i), kind=8),1.-ZEPSEC))
401	pct(i)=1.-zclear(i)
402	IF (paprs(i,k).LT.prmhc) THEN
403	pch(i) = pch(i)*(1.-MAX(pclc(i,k),zcloudh(i))) &
404	& /(1.-MIN(REAL(zcloudh(i), kind=8),1.-ZEPSEC))
405	zcloudh(i)=pclc(i,k)
406	ELSE IF (paprs(i,k).GE.prmhc .AND. &
407	& paprs(i,k).LT.prlmc) THEN
408	pcm(i) = pcm(i)*(1.-MAX(pclc(i,k),zcloudm(i))) &
409	& /(1.-MIN(REAL(zcloudm(i), kind=8),1.-ZEPSEC))
410	zcloudm(i)=pclc(i,k)
411	ELSE IF (paprs(i,k).GE.prlmc) THEN
412	pcl(i) = pcl(i)*(1.-MAX(pclc(i,k),zcloudl(i))) &
413	& /(1.-MIN(REAL(zcloudl(i), kind=8),1.-ZEPSEC))
414	zcloudl(i)=pclc(i,k)
415	endif
416	zcloud(i)=pclc(i,k)
417	ENDDO
418	ENDDO
419	ELSE IF (NOVLP.EQ.2) THEN
420	DO k = klev, 1, -1
421	DO i = 1, klon
422	zcloud(i)=MAX(pclc(i,k),zcloud(i))
423	pct(i)=zcloud(i)
424	IF (paprs(i,k).LT.prmhc) THEN
425	pch(i) = MIN(pclc(i,k),pch(i))
426	ELSE IF (paprs(i,k).GE.prmhc .AND. &
427	& paprs(i,k).LT.prlmc) THEN
428	pcm(i) = MIN(pclc(i,k),pcm(i))
429	ELSE IF (paprs(i,k).GE.prlmc) THEN
430	pcl(i) = MIN(pclc(i,k),pcl(i))
431	endif
432	ENDDO
433	ENDDO
434	ELSE IF (NOVLP.EQ.3) THEN
435	DO k = klev, 1, -1
436	DO i = 1, klon
437	zclear(i)=zclear(i)*(1.-pclc(i,k))
438	pct(i)=1-zclear(i)
439	IF (paprs(i,k).LT.prmhc) THEN
440	pch(i) = pch(i)*(1.0-pclc(i,k))
441	ELSE IF (paprs(i,k).GE.prmhc .AND. &
442	& paprs(i,k).LT.prlmc) THEN
443	pcm(i) = pcm(i)*(1.0-pclc(i,k))
444	ELSE IF (paprs(i,k).GE.prlmc) THEN
445	pcl(i) = pcl(i)*(1.0-pclc(i,k))
446	endif
447	ENDDO
448	ENDDO
449	ENDIF
450	!C
451	DO i = 1, klon
452	pch(i)=1.-pch(i)
453	pcm(i)=1.-pcm(i)
454	pcl(i)=1.-pcl(i)
455	ENDDO
456	!c
457	!c ========================================================
458	!c DIAGNOSTICS CALCULATION FOR CMIP5 PROTOCOL
459	!c ========================================================
460	!c change by Nicolas Yan (LSCE)
461	!c Cloud Droplet Number Concentration (CDNC) : 3D variable
462	!c Fractionnal cover by liquid water cloud (LCC3D) : 3D variable
463	!c Cloud Droplet Number Concentration at top of cloud (CLDNCL) : 2D variable
464	!c Droplet effective radius at top of cloud (REFFCLWTOP) : 2D variable
465	!c Fractionnal cover by liquid water at top of clouds (LCC) : 2D variable
466	!c
467	IF (ok_cdnc) THEN
468	!c
469	DO k = 1, klev
470	DO i = 1, klon
471	phase3d(i,k)=1-zfice(i,k)
472	IF (pclc(i,k) .LE. seuil_neb) THEN
473	lcc3d(i,k)=seuil_neb*phase3d(i,k)
474	ELSE
475	lcc3d(i,k)=pclc(i,k)*phase3d(i,k)
476	ENDIF
477	scdnc(i,k)=lcc3d(i,k)*cdnc(i,k) ! m-3
478	ENDDO
479	ENDDO
480	!c
481	DO i=1,klon
482	lcc(i)=0.
483	reffclwtop(i)=0.
484	cldncl(i)=0.
485	IF(RANDOM .OR. MAXIMUM_RANDOM) tcc(i) = 1.
486	IF(MAXIMUM) tcc(i) = 0.
487	ENDDO
488	!c
489	DO i=1,klon
490	DO k=klev-1,1,-1 !From TOA down
491	!c
492	! Test, if the cloud optical depth exceeds the necessary
493	! threshold:
494
495	IF (pcltau(i,k).GT.thres_tau &
496	& .AND. pclc(i,k).GT.thres_neb) THEN
497
498	IF (MAXIMUM) THEN
499	IF (FIRST) THEN
500	write(,)'Hypothese de recouvrement: MAXIMUM'
501	FIRST=.FALSE.
502	ENDIF
503	flag_max= -1.
504	ftmp(i) = MAX(tcc(i),pclc(i,k))
505	ENDIF
506
507	IF (RANDOM) THEN
508	IF (FIRST) THEN
509	write(,)'Hypothese de recouvrement: RANDOM'
510	FIRST=.FALSE.
511	ENDIF
512	flag_max= 1.
513	ftmp(i) = tcc(i) * (1-pclc(i,k))
514	ENDIF
515
516	IF (MAXIMUM_RANDOM) THEN
517	IF (FIRST) THEN
518	write(,)'Hypothese de recouvrement: MAXIMUM_ &
519	& RANDOM'
520	FIRST=.FALSE.
521	ENDIF
522	flag_max= 1.
523	ftmp(i) = tcc(i) * &
524	& (1. - MAX(pclc(i,k),pclc(i,k+1))) / &
525	& (1. - MIN(pclc(i,k+1),1.-thres_neb))
526	ENDIF
527	!c Effective radius of cloud droplet at top of cloud (m)
528	reffclwtop(i) = reffclwtop(i) + rad_chaud(i,k) * &
529	& 1.0E-06 * phase3d(i,k) * ( tcc(i) - ftmp(i))*flag_max
530	!c CDNC at top of cloud (m-3)
531	cldncl(i) = cldncl(i) + cdnc(i,k) * phase3d(i,k) * &
532	& (tcc(i) - ftmp(i))*flag_max
533	!c Liquid Cloud Content at top of cloud
534	lcc(i) = lcc(i) + phase3d(i,k) * (tcc(i)-ftmp(i))* &
535	& flag_max
536	!c Total Cloud Content at top of cloud
537	tcc(i)=ftmp(i)
538
539	ENDIF ! is there a visible, not-too-small cloud?
540	ENDDO ! loop over k
541	!c
542	IF (RANDOM .OR. MAXIMUM_RANDOM) tcc(i)=1.-tcc(i)
543	!c
544	ENDDO ! loop over i
545
546	!! Convective and Stratiform Cloud Droplet Effective Radius (REFFCLWC REFFCLWS)
547	DO i = 1, klon
548	DO k = 1, klev
549	! Weight to be used for outputs: eau_liquide*couverture nuageuse
550	lcc3dcon(i,k) =rnebcon(i,k)phase3d(i,k)clwcon(i,k) ! eau liquide convective
551	lcc3dstra(i,k)=pclc(i,k)pqlwp(i,k)phase3d(i,k)
552	lcc3dstra(i,k)=lcc3dstra(i,k)-lcc3dcon(i,k) ! eau liquide stratiforme
553	lcc3dstra(i,k)=MAX(lcc3dstra(i,k),0.0)
554	! Compute cloud droplet radius as above in meter
555	radius=1.1((pqlwp(i,k)pplay(i,k)/(RD * T(i,k))) &
556	& /(4./3RPI1000.cdnc(i,k)) )*(1./3.)
557	radius=MAX(radius, 5.e-6)
558	! Convective Cloud Droplet Effective Radius (REFFCLWC) : variable 3D
559	reffclwc(i,k)=radius
560	reffclwc(i,k)=reffclwc(i,k)*lcc3dcon(i,k)
561	! Stratiform Cloud Droplet Effective Radius (REFFCLWS) : variable 3D
562	reffclws(i,k)=radius
563	reffclws(i,k)=reffclws(i,k)*lcc3dstra(i,k)
564	ENDDO !klev
565	ENDDO !klon
566	!c
567	!c Column Integrated Cloud Droplet Number (CLDNVI) : variable 2D
568	!c
569	DO i = 1, klon
570	cldnvi(i)=0.
571	lcc_integrat(i)=0.
572	height(i)=0.
573	DO k = 1, klev
574	cldnvi(i)=cldnvi(i)+cdnc(i,k)lcc3d(i,k)dh(i,k)
575	lcc_integrat(i)=lcc_integrat(i)+lcc3d(i,k)*dh(i,k)
576	height(i)=height(i)+dh(i,k)
577	ENDDO ! klev
578	lcc_integrat(i)=lcc_integrat(i)/height(i)
579	IF (lcc_integrat(i) .LE. 1.0E-03) THEN
580	cldnvi(i)=cldnvi(i)*lcc(i)/seuil_neb
581	ELSE
582	cldnvi(i)=cldnvi(i)*lcc(i)/lcc_integrat(i)
583	ENDIF
584	ENDDO ! klon
585
586	DO i = 1, klon
587	DO k = 1, klev
588	IF (scdnc(i,k) .LE. 0.0) scdnc(i,k)=0.0
589	IF (reffclws(i,k) .LE. 0.0) reffclws(i,k)=0.0
590	IF (reffclwc(i,k) .LE. 0.0) reffclwc(i,k)=0.0
591	IF (lcc3d(i,k) .LE. 0.0) lcc3d(i,k)=0.0
592	IF (lcc3dcon(i,k) .LE. 0.0) lcc3dcon(i,k)=0.0
593	IF (lcc3dstra(i,k) .LE. 0.0) lcc3dstra(i,k)=0.0
594	ENDDO
595	IF (reffclwtop(i) .LE. 0.0) reffclwtop(i)=0.0
596	IF (cldncl(i) .LE. 0.0) cldncl(i)=0.0
597	IF (cldnvi(i) .LE. 0.0) cldnvi(i)=0.0
598	IF (lcc(i) .LE. 0.0) lcc(i)=0.0
599	ENDDO
600	!c
601	ENDIF !ok_cdnc
602	!c
603	RETURN
604	!c
605	END SUBROUTINE newmicro

Note: See TracBrowser for help on using the repository browser.

Download in other formats:

Original Format