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fisrtilp.F90 @ 1998

Last change on this file since 1998 was 1907, checked in by lguez, 11 years ago

Added a copyright property to every file of the distribution, except
for the fcm files (which have their own copyright). Use svn propget on
a file to see the copyright. For instance:

$ svn propget copyright libf/phylmd/physiq.F90
Name of program: LMDZ
Creation date: 1984
Version: LMDZ5
License: CeCILL version 2
Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
See the license file in the root directory

Also added the files defining the CeCILL version 2 license, in French
and English, at the top of the LMDZ tree.

Property copyright set to
Name of program: LMDZ
Creation date: 1984
Version: LMDZ5
License: CeCILL version 2
Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
See the license file in the root directory
Property svn:eol-style set to native
Property svn:keywords set to Author Date Id Revision

File size: 30.8 KB

Rev	Line
[524]	1	!
[1403]	2	! $Id: fisrtilp.F90 1907 2013-11-26 13:10:46Z fhourdin $
[524]	3	!
[1472]	4	!
	5	SUBROUTINE fisrtilp(dtime,paprs,pplay,t,q,ptconv,ratqs, &
[1742]	6	d_t, d_q, d_ql, rneb, radliq, rain, snow, &
	7	pfrac_impa, pfrac_nucl, pfrac_1nucl, &
	8	frac_impa, frac_nucl, beta, &
	9	prfl, psfl, rhcl, zqta, fraca, &
[1849]	10	ztv, zpspsk, ztla, zthl, iflag_cldcon, &
	11	iflag_ice_thermo)
[524]	12
[1472]	13	!
	14	USE dimphy
	15	IMPLICIT none
	16	!======================================================================
	17	! Auteur(s): Z.X. Li (LMD/CNRS)
	18	! Date: le 20 mars 1995
	19	! Objet: condensation et precipitation stratiforme.
	20	! schema de nuage
	21	!======================================================================
	22	!======================================================================
	23	!ym include "dimensions.h"
	24	!ym include "dimphy.h"
	25	include "YOMCST.h"
	26	include "tracstoke.h"
	27	include "fisrtilp.h"
[1506]	28	include "iniprint.h"
	29
[1472]	30	!
	31	! Arguments:
	32	!
	33	REAL dtime ! intervalle du temps (s)
	34	REAL paprs(klon,klev+1) ! pression a inter-couche
	35	REAL pplay(klon,klev) ! pression au milieu de couche
	36	REAL t(klon,klev) ! temperature (K)
	37	REAL q(klon,klev) ! humidite specifique (kg/kg)
	38	REAL d_t(klon,klev) ! incrementation de la temperature (K)
	39	REAL d_q(klon,klev) ! incrementation de la vapeur d'eau
	40	REAL d_ql(klon,klev) ! incrementation de l'eau liquide
	41	REAL rneb(klon,klev) ! fraction nuageuse
	42	REAL radliq(klon,klev) ! eau liquide utilisee dans rayonnements
	43	REAL rhcl(klon,klev) ! humidite relative en ciel clair
	44	REAL rain(klon) ! pluies (mm/s)
	45	REAL snow(klon) ! neige (mm/s)
	46	REAL prfl(klon,klev+1) ! flux d'eau precipitante aux interfaces (kg/m2/s)
	47	REAL psfl(klon,klev+1) ! flux d'eau precipitante aux interfaces (kg/m2/s)
	48	REAL ztv(klon,klev)
	49	REAL zqta(klon,klev),fraca(klon,klev)
	50	REAL sigma1(klon,klev),sigma2(klon,klev)
	51	REAL qltot(klon,klev),ctot(klon,klev)
	52	REAL zpspsk(klon,klev),ztla(klon,klev)
	53	REAL zthl(klon,klev)
[1849]	54	REAL ztfondue, qsl, qsi
[1403]	55
[1472]	56	logical lognormale(klon)
[1849]	57	logical ice_thermo
[1411]	58
[1472]	59	!AA
	60	! Coeffients de fraction lessivee : pour OFF-LINE
	61	!
	62	REAL pfrac_nucl(klon,klev)
	63	REAL pfrac_1nucl(klon,klev)
	64	REAL pfrac_impa(klon,klev)
	65	!
	66	! Fraction d'aerosols lessivee par impaction et par nucleation
	67	! POur ON-LINE
	68	!
	69	REAL frac_impa(klon,klev)
	70	REAL frac_nucl(klon,klev)
	71	real zct ,zcl
	72	!AA
	73	!
	74	! Options du programme:
	75	!
	76	REAL seuil_neb ! un nuage existe vraiment au-dela
	77	PARAMETER (seuil_neb=0.001)
[524]	78
[1472]	79	INTEGER ninter ! sous-intervals pour la precipitation
	80	INTEGER ncoreczq
	81	INTEGER iflag_cldcon
[1849]	82	INTEGER iflag_ice_thermo
[1472]	83	PARAMETER (ninter=5)
	84	LOGICAL evap_prec ! evaporation de la pluie
	85	PARAMETER (evap_prec=.TRUE.)
	86	REAL ratqs(klon,klev) ! determine la largeur de distribution de vapeur
	87	logical ptconv(klon,klev) ! determine la largeur de distribution de vapeur
[524]	88
[1472]	89	real zpdf_sig(klon),zpdf_k(klon),zpdf_delta(klon)
	90	real Zpdf_a(klon),zpdf_b(klon),zpdf_e1(klon),zpdf_e2(klon)
	91	real erf
	92	REAL qcloud(klon)
	93	!
	94	LOGICAL cpartiel ! condensation partielle
	95	PARAMETER (cpartiel=.TRUE.)
	96	REAL t_coup
	97	PARAMETER (t_coup=234.0)
	98	!
	99	! Variables locales:
	100	!
	101	INTEGER i, k, n, kk
[1901]	102	REAL zqs(klon), zdqs(klon), zdelta, zcor, zcvm5
	103	REAL Tbef(klon),qlbef(klon),DT(klon),num,denom
	104	LOGICAL convergence(klon)
	105	REAL DDT0
	106	PARAMETER (DDT0=.01)
	107	INTEGER n_i, iter
	108
[1849]	109	REAL zrfl(klon), zrfln(klon), zqev, zqevt
	110	REAL zifl(klon), zifln(klon), zqev0,zqevi, zqevti
	111	REAL zoliq(klon), zcond(klon), zq(klon), zqn(klon), zdelq
	112	REAL zoliqp(klon), zoliqi(klon)
[1472]	113	REAL ztglace, zt(klon)
	114	INTEGER nexpo ! exponentiel pour glace/eau
	115	REAL zdz(klon),zrho(klon),ztot , zrhol(klon)
	116	REAL zchau ,zfroi ,zfice(klon),zneb(klon)
[1849]	117	REAL zmelt, zpluie, zice, zcondold
	118	PARAMETER (ztfondue=278.15)
[1472]	119	!
	120	LOGICAL appel1er
	121	SAVE appel1er
	122	!$OMP THREADPRIVATE(appel1er)
	123	!
	124	!---------------------------------------------------------------
	125	!
	126	!AA Variables traceurs:
	127	!AA Provisoire !!! Parametres alpha du lessivage
	128	!AA A priori on a 4 scavenging # possibles
	129	!
	130	REAL a_tr_sca(4)
	131	save a_tr_sca
	132	!$OMP THREADPRIVATE(a_tr_sca)
	133	!
	134	! Variables intermediaires
	135	!
	136	REAL zalpha_tr
	137	REAL zfrac_lessi
	138	REAL zprec_cond(klon)
	139	!AA
[1742]	140	! RomP >>> 15 nov 2012
	141	REAL beta(klon,klev) ! taux de conversion de l'eau cond
	142	! RomP <<<
[1472]	143	REAL zmair, zcpair, zcpeau
	144	! Pour la conversion eau-neige
	145	REAL zlh_solid(klon), zm_solid
	146	!IM
	147	!ym INTEGER klevm1
	148	!---------------------------------------------------------------
	149	!
	150	! Fonctions en ligne:
	151	!
	152	REAL fallvs,fallvc ! vitesse de chute pour crystaux de glace
	153	REAL zzz
	154	include "YOETHF.h"
	155	include "FCTTRE.h"
	156	fallvc (zzz) = 3.29/2.0 * ((zzz)*0.16) ffallv_con
	157	fallvs (zzz) = 3.29/2.0 * ((zzz)*0.16) ffallv_lsc
	158	!
	159	DATA appel1er /.TRUE./
	160	!ym
[1849]	161	ice_thermo = iflag_ice_thermo .GE. 1
[1472]	162	zdelq=0.0
[524]	163
[1506]	164	if (prt_level>9)write(lunout,*)'NUAGES4 A. JAM'
[1472]	165	IF (appel1er) THEN
	166	!
[1575]	167	WRITE(lunout,*) 'fisrtilp, ninter:', ninter
	168	WRITE(lunout,*) 'fisrtilp, evap_prec:', evap_prec
	169	WRITE(lunout,*) 'fisrtilp, cpartiel:', cpartiel
[1472]	170	IF (ABS(dtime/REAL(ninter)-360.0).GT.0.001) THEN
[1575]	171	WRITE(lunout,*) 'fisrtilp: Ce n est pas prevu, voir Z.X.Li', dtime
	172	WRITE(lunout,*) 'Je prefere un sous-intervalle de 6 minutes'
[1472]	173	! CALL abort
	174	ENDIF
	175	appel1er = .FALSE.
	176	!
	177	!AA initialiation provisoire
	178	a_tr_sca(1) = -0.5
	179	a_tr_sca(2) = -0.5
	180	a_tr_sca(3) = -0.5
	181	a_tr_sca(4) = -0.5
	182	!
	183	!AA Initialisation a 1 des coefs des fractions lessivees
	184	!
	185	!cdir collapse
	186	DO k = 1, klev
	187	DO i = 1, klon
	188	pfrac_nucl(i,k)=1.
	189	pfrac_1nucl(i,k)=1.
	190	pfrac_impa(i,k)=1.
[1742]	191	beta(i,k)=0. !RomP initialisation
[1472]	192	ENDDO
	193	ENDDO
[524]	194
[1472]	195	ENDIF ! test sur appel1er
	196	!
	197	!MAf Initialisation a 0 de zoliq
	198	! DO i = 1, klon
	199	! zoliq(i)=0.
	200	! ENDDO
	201	! Determiner les nuages froids par leur temperature
	202	! nexpo regle la raideur de la transition eau liquide / eau glace.
	203	!
	204	ztglace = RTT - 15.0
[1849]	205	!AJ<
	206	IF (ice_thermo) THEN
	207	nexpo = 2
	208	ELSE
	209	nexpo = 6
	210	ENDIF
	211	!! RLVTT = 2.501e6 ! pas de redefinition des constantes physiques (jyg)
	212	!! RLSTT = 2.834e6 ! pas de redefinition des constantes physiques (jyg)
	213	!>AJ
[1472]	214	!cc nexpo = 1
	215	!
	216	! Initialiser les sorties:
	217	!
	218	!cdir collapse
	219	DO k = 1, klev+1
	220	DO i = 1, klon
	221	prfl(i,k) = 0.0
	222	psfl(i,k) = 0.0
	223	ENDDO
	224	ENDDO
[524]	225
[1472]	226	!cdir collapse
	227	DO k = 1, klev
	228	DO i = 1, klon
	229	d_t(i,k) = 0.0
	230	d_q(i,k) = 0.0
	231	d_ql(i,k) = 0.0
	232	rneb(i,k) = 0.0
	233	radliq(i,k) = 0.0
	234	frac_nucl(i,k) = 1.
	235	frac_impa(i,k) = 1.
	236	ENDDO
	237	ENDDO
	238	DO i = 1, klon
	239	rain(i) = 0.0
	240	snow(i) = 0.0
	241	zoliq(i)=0.
	242	! ENDDO
	243	!
	244	! Initialiser le flux de precipitation a zero
	245	!
	246	! DO i = 1, klon
	247	zrfl(i) = 0.0
[1849]	248	zifl(i) = 0.0
[1472]	249	zneb(i) = seuil_neb
	250	ENDDO
	251	!
	252	!
	253	!AA Pour plus de securite
[524]	254
[1472]	255	zalpha_tr = 0.
	256	zfrac_lessi = 0.
[524]	257
[1472]	258	!AA----------------------------------------------------------
	259	!
	260	ncoreczq=0
	261	! Boucle verticale (du haut vers le bas)
	262	!
	263	!IM : klevm1
	264	!ym klevm1=klev-1
	265	DO k = klev, 1, -1
	266	!
	267	!AA----------------------------------------------------------
	268	!
	269	DO i = 1, klon
	270	zt(i)=t(i,k)
	271	zq(i)=q(i,k)
	272	ENDDO
	273	!
	274	! Calculer la varition de temp. de l'air du a la chaleur sensible
	275	! transporter par la pluie.
	276	! Il resterait a rajouter cet effet de la chaleur sensible sur les
	277	! flux de surface, du a la diff. de temp. entre le 1er niveau et la
	278	! surface.
	279	!
	280	IF(k.LE.klevm1) THEN
	281	DO i = 1, klon
	282	!IM
	283	zmair=(paprs(i,k)-paprs(i,k+1))/RG
	284	zcpair=RCPD(1.0+RVTMP2zq(i))
	285	zcpeau=RCPD*RVTMP2
	286	zt(i) = ( (t(i,k+1)+d_t(i,k+1))zrfl(i)dtime*zcpeau &
	287	+ zmairzcpairzt(i) ) &
	288	/ (zmairzcpair + zrfl(i)dtime*zcpeau)
	289	! C WRITE (6,*) 'cppluie ', zt(i)-(t(i,k+1)+d_t(i,k+1))
	290	ENDDO
	291	ENDIF
	292	!
	293	!
	294	! Calculer l'evaporation de la precipitation
	295	!
[524]	296
	297
[1849]	298	! Calculer l'evaporation de la precipitation
	299	!
	300
	301
[1472]	302	IF (evap_prec) THEN
	303	DO i = 1, klon
[1849]	304	!AJ<
	305	!! IF (zrfl(i) .GT.0.) THEN
	306	IF (zrfl(i)+zifl(i).GT.0.) THEN
	307	!>AJ
[1472]	308	IF (thermcep) THEN
	309	zdelta=MAX(0.,SIGN(1.,RTT-zt(i)))
	310	zqs(i)= R2ES*FOEEW(zt(i),zdelta)/pplay(i,k)
	311	zqs(i)=MIN(0.5,zqs(i))
	312	zcor=1./(1.-RETV*zqs(i))
	313	zqs(i)=zqs(i)*zcor
	314	ELSE
	315	IF (zt(i) .LT. t_coup) THEN
	316	zqs(i) = qsats(zt(i)) / pplay(i,k)
	317	ELSE
	318	zqs(i) = qsatl(zt(i)) / pplay(i,k)
	319	ENDIF
	320	ENDIF
[1849]	321	ENDIF ! (zrfl(i)+zifl(i).GT.0.)
	322	ENDDO
	323	!AJ<
	324	IF (.NOT. ice_thermo) THEN
	325	DO i = 1, klon
	326	!AJ<
	327	!! IF (zrfl(i) .GT.0.) THEN
	328	IF (zrfl(i)+zifl(i).GT.0.) THEN
	329	!>AJ
	330	zqev = MAX (0.0, (zqs(i)-zq(i))*zneb(i) )
	331	zqevt = coef_eva * (1.0-zq(i)/zqs(i)) * SQRT(zrfl(i)) &
	332	* (paprs(i,k)-paprs(i,k+1))/pplay(i,k)zt(i)RD/RG
	333	zqevt = MAX(0.0,MIN(zqevt,zrfl(i))) &
	334	* RG*dtime/(paprs(i,k)-paprs(i,k+1))
	335	zqev = MIN (zqev, zqevt)
	336	zrfln(i) = zrfl(i) - zqev*(paprs(i,k)-paprs(i,k+1)) &
	337	/RG/dtime
	338
	339	! pour la glace, on ré-évapore toute la précip dans la
	340	! couche du dessous
	341	! la glace venant de la couche du dessus est simplement
	342	! dans la couche du dessous.
	343
	344	IF (zt(i) .LT. t_coup.and.reevap_ice) zrfln(i)=0.
	345
	346	zq(i) = zq(i) - (zrfln(i)-zrfl(i)) &
	347	* (RG/(paprs(i,k)-paprs(i,k+1)))*dtime
	348	zt(i) = zt(i) + (zrfln(i)-zrfl(i)) &
	349	* (RG/(paprs(i,k)-paprs(i,k+1)))*dtime &
	350	* RLVTT/RCPD/(1.0+RVTMP2*zq(i))
	351	zrfl(i) = zrfln(i)
	352	zifl(i) = 0.
	353	ENDIF ! (zrfl(i)+zifl(i).GT.0.)
	354	ENDDO
	355	!
	356	ELSE ! (.NOT. ice_thermo)
	357	!
	358	DO i = 1, klon
	359	!AJ<
	360	!! IF (zrfl(i) .GT.0.) THEN
	361	IF (zrfl(i)+zifl(i).GT.0.) THEN
	362	!>AJ
	363	!JAM !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	364	! Modification de l'évaporation avec la glace
	365	! Différentiation entre précipitation liquide et solide
	366	! On suppose que coef_evai=2*coef_eva
	367	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	368
	369	zqev0 = MAX (0.0, (zqs(i)-zq(i))*zneb(i) )
	370	! zqev0 = MAX (0.0, zqs(i)-zq(i) )
[524]	371
[1849]	372	!JAM !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	373	! On différencie qsat pour l'eau et la glace
	374	! Si zdelta=1. --> glace
	375	! Si zdelta=0. --> eau liquide
	376	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	377
	378	qsl= R2ES*FOEEW(zt(i),0.)/pplay(i,k)
	379	qsl= MIN(0.5,qsl)
	380	zcor= 1./(1.-RETV*qsl)
	381	qsl= qsl*zcor
	382
	383	zqevt = 1.coef_eva(1.0-zq(i)/qsl)*SQRT(zrfl(i)) &
	384	(paprs(i,k)-paprs(i,k+1))/pplay(i,k)zt(i)*RD/RG
	385	zqevt = MAX(0.0,MIN(zqevt,zrfl(i))) &
	386	RGdtime/(paprs(i,k)-paprs(i,k+1))
[524]	387
[1849]	388	qsi= R2ES*FOEEW(zt(i),1.)/pplay(i,k)
	389	qsi= MIN(0.5,qsi)
	390	zcor= 1./(1.-RETV*qsi)
	391	qsi= qsi*zcor
[1472]	392
[1849]	393	zqevti = 1.coef_eva(1.0-zq(i)/qsi)*SQRT(zifl(i)) &
	394	(paprs(i,k)-paprs(i,k+1))/pplay(i,k)zt(i)*RD/RG
	395	zqevti = MAX(0.0,MIN(zqevti,zifl(i))) &
	396	RGdtime/(paprs(i,k)-paprs(i,k+1))
	397
	398
	399	!JAM!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	400	! Vérification sur l'évaporation
	401	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	402
	403	IF (zqevt+zqevti.GT.zqev0) THEN
	404	zqev=zqev0*zqevt/(zqevt+zqevti)
	405	zqevi=zqev0*zqevti/(zqevt+zqevti)
	406
	407	ELSE
	408	IF (zqevt+zqevti.GT.0.) THEN
	409	zqev=MIN(zqev0*zqevt/(zqevt+zqevti),zqevt)
	410	zqevi=MIN(zqev0*zqevti/(zqevt+zqevti),zqevti)
	411	ELSE
	412	zqev=0.
	413	zqevi=0.
	414	ENDIF
	415	ENDIF
	416
	417	zrfln(i) = Max(0.,zrfl(i) - zqev*(paprs(i,k)-paprs(i,k+1)) &
	418	/RG/dtime)
	419	zifln(i) = Max(0.,zifl(i) - zqevi*(paprs(i,k)-paprs(i,k+1)) &
	420	/RG/dtime)
	421
	422	! Pour la glace, on révapore toute la précip dans la couche du dessous
	423	! la glace venant de la couche du dessus est simplement dans la couche
	424	! du dessous.
	425
	426	! IF (zt(i) .LT. t_coup.and.reevap_ice) zrfln(i)=0.
	427	! print*,zrfl(i),zrfln(i),zqevt,zqevti,RLMLT,'fluxdeprecip'
	428	zq(i) = zq(i) - (zrfln(i)+zifln(i)-zrfl(i)-zifl(i)) &
	429	* (RG/(paprs(i,k)-paprs(i,k+1)))*dtime
	430	zt(i) = zt(i) + (zrfln(i)-zrfl(i)) &
	431	* (RG/(paprs(i,k)-paprs(i,k+1)))*dtime &
	432	* RLVTT/RCPD/(1.0+RVTMP2*zq(i)) &
	433	+ (zifln(i)-zifl(i)) &
	434	* (RG/(paprs(i,k)-paprs(i,k+1)))*dtime &
	435	* RLSTT/RCPD/(1.0+RVTMP2*zq(i))
	436
	437	zrfl(i) = zrfln(i)
	438	zifl(i) = zifln(i)
	439
	440	ENDIF ! (zrfl(i)+zifl(i).GT.0.)
[1472]	441	ENDDO
[1849]	442
	443	ENDIF ! (.NOT. ice_thermo)
	444
	445	ENDIF ! (evap_prec)
[1472]	446	!
	447	! Calculer Qs et L/Cp*dQs/dT:
	448	!
	449	IF (thermcep) THEN
	450	DO i = 1, klon
[524]	451	zdelta = MAX(0.,SIGN(1.,RTT-zt(i)))
	452	zcvm5 = R5LESRLVTT(1.-zdelta) + R5IESRLSTTzdelta
	453	zcvm5 = zcvm5 /RCPD/(1.0+RVTMP2*zq(i))
	454	zqs(i) = R2ES*FOEEW(zt(i),zdelta)/pplay(i,k)
	455	zqs(i) = MIN(0.5,zqs(i))
	456	zcor = 1./(1.-RETV*zqs(i))
	457	zqs(i) = zqs(i)*zcor
	458	zdqs(i) = FOEDE(zt(i),zdelta,zcvm5,zqs(i),zcor)
[1472]	459	ENDDO
	460	ELSE
	461	DO i = 1, klon
	462	IF (zt(i).LT.t_coup) THEN
	463	zqs(i) = qsats(zt(i))/pplay(i,k)
	464	zdqs(i) = dqsats(zt(i),zqs(i))
	465	ELSE
	466	zqs(i) = qsatl(zt(i))/pplay(i,k)
	467	zdqs(i) = dqsatl(zt(i),zqs(i))
	468	ENDIF
	469	ENDDO
	470	ENDIF
	471	!
	472	! Determiner la condensation partielle et calculer la quantite
	473	! de l'eau condensee:
	474	!
[1901]	475	!verification de la valeur de iflag_fisrtilp_qsat pour iflag_ice_thermo=1
	476	if ((iflag_ice_thermo.eq.1).and.(iflag_fisrtilp_qsat.ne.0)) then
	477	write(,) " iflag_ice_thermo==1 requires iflag_fisrtilp_qsat==0", &
	478	" but iflag_fisrtilp_qsat=",iflag_fisrtilp_qsat, ". Might as well stop here."
	479	stop
	480	endif
[1403]	481
[1472]	482	IF (cpartiel) THEN
[524]	483
[1472]	484	! print*,'Dans partiel k=',k
	485	!
	486	! Calcul de l'eau condensee et de la fraction nuageuse et de l'eau
	487	! nuageuse a partir des PDF de Sandrine Bony.
	488	! rneb : fraction nuageuse
	489	! zqn : eau totale dans le nuage
	490	! zcond : eau condensee moyenne dans la maille.
	491	! on prend en compte le réchauffement qui diminue la partie
	492	! condensee
	493	!
	494	! Version avec les raqts
[524]	495
[1472]	496	if (iflag_pdf.eq.0) then
[524]	497
	498	do i=1,klon
[1472]	499	zdelq = min(ratqs(i,k),0.99) * zq(i)
	500	rneb(i,k) = (zq(i)+zdelq-zqs(i)) / (2.0*zdelq)
	501	zqn(i) = (zq(i)+zdelq+zqs(i))/2.0
[524]	502	enddo
	503
[1472]	504	else
	505	!
	506	! Version avec les nouvelles PDFs.
[524]	507	do i=1,klon
	508	if(zq(i).lt.1.e-15) then
[1472]	509	ncoreczq=ncoreczq+1
	510	zq(i)=1.e-15
[524]	511	endif
[1472]	512	enddo
[1403]	513
[1472]	514	if (iflag_cldcon>=5) then
[1403]	515
[1472]	516	call cloudth(klon,klev,k,ztv, &
	517	zq,zqta,fraca, &
	518	qcloud,ctot,zpspsk,paprs,ztla,zthl, &
	519	ratqs,zqs,t)
[1403]	520
[1472]	521	do i=1,klon
[1403]	522	rneb(i,k)=ctot(i,k)
	523	zqn(i)=qcloud(i)
[1472]	524	enddo
[1403]	525
[1472]	526	endif
	527
	528	if (iflag_cldcon <= 4) then
	529	lognormale = .true.
[1507]	530	elseif (iflag_cldcon >= 6) then
[1472]	531	! lognormale en l'absence des thermiques
	532	lognormale = fraca(:,k) < 1e-10
	533	else
	534	! Dans le cas iflag_cldcon=5, on prend systématiquement la
	535	! bi-gaussienne
	536	lognormale = .false.
	537	end if
	538
	539	do i=1,klon
[1901]	540	Tbef(i)=zt(i)
	541	qlbef(i)=0.
[1472]	542	if (lognormale(i)) then
	543	zpdf_sig(i)=ratqs(i,k)*zq(i)
	544	zpdf_k(i)=-sqrt(log(1.+(zpdf_sig(i)/zq(i))**2))
	545	zpdf_delta(i)=log(zq(i)/zqs(i))
	546	zpdf_a(i)=zpdf_delta(i)/(zpdf_k(i)*sqrt(2.))
	547	zpdf_b(i)=zpdf_k(i)/(2.*sqrt(2.))
	548	zpdf_e1(i)=zpdf_a(i)-zpdf_b(i)
	549	zpdf_e1(i)=sign(min(abs(zpdf_e1(i)),5.),zpdf_e1(i))
	550	zpdf_e1(i)=1.-erf(zpdf_e1(i))
	551	zpdf_e2(i)=zpdf_a(i)+zpdf_b(i)
	552	zpdf_e2(i)=sign(min(abs(zpdf_e2(i)),5.),zpdf_e2(i))
	553	zpdf_e2(i)=1.-erf(zpdf_e2(i))
[1901]	554
	555	if (zpdf_e1(i).lt.1.e-10) then
	556	rneb(i,k)=0.
	557	zqn(i)=zqs(i)
	558	else
	559	rneb(i,k)=0.5*zpdf_e1(i)
	560	zqn(i)=zq(i)*zpdf_e2(i)/zpdf_e1(i)
	561	endif
	562
	563	qlbef(i)=max(0.,zqn(i)-zqs(i))
	564	num=-Tbef(i)+zt(i)+rneb(i,k)RLVTT/RCPD/(1.0+RVTMP2zq(i))*qlbef(i)
	565	denom=1.+rneb(i,k)*zdqs(i)
	566	DT(i)=num/denom
[1411]	567	endif
[1472]	568	enddo
[1901]	569
	570	n_i=1
	571	! do while ((abs(DT(i)).gt.DDT0).and.((zqn(i)-zqs(i)).gt.0.))
	572	! iflag_fisrtilp_qsat=0: qsat ne varie pas avec T
	573	! iflag_fisrtilp_qsat > 1 : nombre d iterations max pour converger sur le calcul de qsat(T)
	574	! do while (n_i.le.iflag_fisrtilp_qsat)
	575	if (iflag_fisrtilp_qsat.ge.1) then
	576	do iter=1,iflag_fisrtilp_qsat
	577	do i=1,klon
	578	convergence(i)=abs(DT(i)).gt.DDT0
	579	if (convergence(i).and.lognormale(i)) then
	580	Tbef(i)=Tbef(i)+DT(i)
	581	zdelta=MAX(0.,SIGN(1.,RTT-Tbef(i)))
	582	zcvm5 = R5LESRLVTT(1.-zdelta) + R5IESRLSTTzdelta
	583	zcvm5 = zcvm5 /RCPD/(1.0+RVTMP2*zq(i))
	584	zqs(i)= R2ES * FOEEW(Tbef(i),zdelta)/pplay(i,k)
	585	zqs(i)=MIN(0.5,zqs(i))
	586	zcor=1./(1.-retv*zqs(i))
	587	zqs(i)=zqs(i)*zcor
	588	zdqs(i)=FOEDE(Tbef(i),zdelta,zcvm5,zqs(i),zcor)
[1403]	589
[1901]	590	zpdf_sig(i)=ratqs(i,k)*zq(i)
	591	zpdf_k(i)=-sqrt(log(1.+(zpdf_sig(i)/zq(i))**2))
	592	zpdf_delta(i)=log(zq(i)/zqs(i))
	593	zpdf_a(i)=zpdf_delta(i)/(zpdf_k(i)*sqrt(2.))
	594	zpdf_b(i)=zpdf_k(i)/(2.*sqrt(2.))
	595	zpdf_e1(i)=zpdf_a(i)-zpdf_b(i)
	596	zpdf_e1(i)=sign(min(abs(zpdf_e1(i)),5.),zpdf_e1(i))
	597	zpdf_e1(i)=1.-erf(zpdf_e1(i))
	598	zpdf_e2(i)=zpdf_a(i)+zpdf_b(i)
	599	zpdf_e2(i)=sign(min(abs(zpdf_e2(i)),5.),zpdf_e2(i))
	600	zpdf_e2(i)=1.-erf(zpdf_e2(i))
	601
[1472]	602	if (zpdf_e1(i).lt.1.e-10) then
	603	rneb(i,k)=0.
	604	zqn(i)=zqs(i)
	605	else
	606	rneb(i,k)=0.5*zpdf_e1(i)
	607	zqn(i)=zq(i)*zpdf_e2(i)/zpdf_e1(i)
	608	endif
[1411]	609
[1901]	610	qlbef(i)=max(0.,zqn(i)-zqs(i))
	611	num=-Tbef(i)+zt(i)+rneb(i,k)RLVTT/RCPD/(1.0+RVTMP2zq(i))*qlbef(i)
	612	denom=1.+rneb(i,k)*zdqs(i)
	613	DT(i)=num/denom
	614	n_i=n_i+1
	615	endif
	616	enddo
	617	enddo
[1411]	618
[1901]	619	endif
[524]	620
[1901]	621
[524]	622	endif ! iflag_pdf
	623
[1901]	624	if (iflag_fisrtilp_qsat.eq.-1) then
	625	!CR: ATTENTION option fausse mais a existe
[1146]	626	DO i=1,klon
	627	IF (rneb(i,k) .LE. 0.0) THEN
	628	zqn(i) = 0.0
	629	rneb(i,k) = 0.0
	630	zcond(i) = 0.0
	631	rhcl(i,k)=zq(i)/zqs(i)
	632	ELSE IF (rneb(i,k) .GE. 1.0) THEN
	633	zqn(i) = zq(i)
[1901]	634	rneb(i,k) = 1.0
	635	zcond(i) = MAX(0.0,zqn(i)-zqs(i))/(1+zdqs(i))
[1146]	636	rhcl(i,k)=1.0
	637	ELSE
[1901]	638	zcond(i) = MAX(0.0,zqn(i)-zqs(i))*rneb(i,k)/(1+zdqs(i))
[1146]	639	rhcl(i,k)=(zqs(i)+zq(i)-zdelq)/2./zqs(i)
	640	ENDIF
	641	ENDDO
[1901]	642
	643	ELSE
	644
	645	DO i=1,klon
	646	IF (rneb(i,k) .LE. 0.0) THEN
	647	zqn(i) = 0.0
	648	rneb(i,k) = 0.0
	649	zcond(i) = 0.0
	650	rhcl(i,k)=zq(i)/zqs(i)
	651	ELSE IF (rneb(i,k) .GE. 1.0) THEN
	652	zqn(i) = zq(i)
	653	rneb(i,k) = 1.0
	654	zcond(i) = MAX(0.0,zqn(i)-zqs(i))
	655	rhcl(i,k)=1.0
	656	ELSE
	657	zcond(i) = MAX(0.0,zqn(i)-zqs(i))*rneb(i,k)
	658	rhcl(i,k)=(zqs(i)+zq(i)-zdelq)/2./zqs(i)
	659	ENDIF
	660	ENDDO
	661
	662
	663	ENDIF
	664
[1472]	665	! do i=1,klon
	666	! IF (rneb(i,k) .LE. 0.0) zqn(i) = 0.0
	667	! IF (rneb(i,k) .GE. 1.0) zqn(i) = zq(i)
	668	! rneb(i,k) = MAX(0.0,MIN(1.0,rneb(i,k)))
	669	!c zcond(i) = MAX(0.0,zqn(i)-zqs(i))*rneb(i,k)/(1.+zdqs(i))
	670	!c On ne divise pas par 1+zdqs pour forcer a avoir l'eau predite par
	671	!c la convection.
	672	!c ATTENTION !!! Il va falloir verifier tout ca.
	673	! zcond(i) = MAX(0.0,zqn(i)-zqs(i))*rneb(i,k)
	674	!c print*,'ZDQS ',zdqs(i)
	675	!c--Olivier
	676	! rhcl(i,k)=(zqs(i)+zq(i)-zdelq)/2./zqs(i)
	677	! IF (rneb(i,k) .LE. 0.0) rhcl(i,k)=zq(i)/zqs(i)
	678	! IF (rneb(i,k) .GE. 1.0) rhcl(i,k)=1.0
	679	!c--fin
	680	! ENDDO
	681	ELSE
	682	DO i = 1, klon
	683	IF (zq(i).GT.zqs(i)) THEN
	684	rneb(i,k) = 1.0
	685	ELSE
	686	rneb(i,k) = 0.0
	687	ENDIF
	688	zcond(i) = MAX(0.0,zq(i)-zqs(i))/(1.+zdqs(i))
	689	ENDDO
	690	ENDIF
	691	!
	692	DO i = 1, klon
	693	zq(i) = zq(i) - zcond(i)
	694	! zt(i) = zt(i) + zcond(i) * RLVTT/RCPD
	695	ENDDO
[1849]	696	!AJ<
	697	IF (.NOT. ice_thermo) THEN
[1901]	698	if (iflag_fisrtilp_qsat.lt.1) then
	699	DO i = 1, klon
	700	zt(i) = zt(i) + zcond(i) * RLVTT/RCPD/(1.0+RVTMP2*zq(i))
	701	ENDDO
	702	else if (iflag_fisrtilp_qsat.gt.0) then
	703	DO i= 1, klon
	704	if (lognormale(i)) then
	705	zt(i)=Tbef(i)
	706	else
	707	zt(i) = zt(i) + zcond(i) * RLVTT/RCPD/(1.0+RVTMP2*(zq(i)+zcond(i)))
	708	endif
	709	ENDDO
	710	endif
[1849]	711	ELSE
[1901]	712	if (iflag_fisrtilp_qsat.lt.1) then
	713	DO i = 1, klon
	714	zfice(i) = 1.0 - (zt(i)-ztglace) / (273.15-ztglace)
	715	zfice(i) = MIN(MAX(zfice(i),0.0),1.0)
	716	zfice(i) = zfice(i)**nexpo
	717	zt(i) = zt(i) + (1.-zfice(i))zcond(i) RLVTT/RCPD/(1.0+RVTMP2*zq(i)) &
[1849]	718	+zfice(i)zcond(i) RLSTT/RCPD/(1.0+RVTMP2*zq(i))
[1901]	719	ENDDO
	720	else
	721	DO i=1, klon
	722	zfice(i) = 1.0 - (zt(i)-ztglace) / (273.15-ztglace)
	723	zfice(i) = MIN(MAX(zfice(i),0.0),1.0)
	724	zfice(i) = zfice(i)**nexpo
	725	!CR: ATTENTION zt different de Tbef: à corriger
	726	zt(i) = zt(i) + (1.-zfice(i))zcond(i) RLVTT/RCPD/(1.0+RVTMP2*(zq(i)+zcond(i))) &
	727	+zfice(i)zcond(i) RLSTT/RCPD/(1.0+RVTMP2*(zq(i)+zcond(i)))
	728	ENDDO
	729	endif
[1849]	730	! print*,zt(i),zrfl(i),zifl(i),'temp1'
	731	ENDIF
	732	!>AJ
[1472]	733	!
	734	! Partager l'eau condensee en precipitation et eau liquide nuageuse
	735	!
	736	DO i = 1, klon
	737	IF (rneb(i,k).GT.0.0) THEN
	738	zoliq(i) = zcond(i)
	739	zrho(i) = pplay(i,k) / zt(i) / RD
	740	zdz(i) = (paprs(i,k)-paprs(i,k+1)) / (zrho(i)*RG)
[1849]	741	ENDIF
	742	ENDDO
	743	!AJ<
	744	IF (.NOT. ice_thermo) THEN
	745	DO i = 1, klon
	746	IF (rneb(i,k).GT.0.0) THEN
[1472]	747	zfice(i) = 1.0 - (zt(i)-ztglace) / (273.13-ztglace)
	748	zfice(i) = MIN(MAX(zfice(i),0.0),1.0)
	749	zfice(i) = zfice(i)**nexpo
[1849]	750	!! zfice(i)=0.
	751	ENDIF
	752	ENDDO
	753	ENDIF
	754	DO i = 1, klon
	755	IF (rneb(i,k).GT.0.0) THEN
[1472]	756	zneb(i) = MAX(rneb(i,k), seuil_neb)
[1849]	757	! zt(i) = zt(i)+zcond(i)zfice(i)RLMLT/RCPD/(1.0+RVTMP2*zq(i))
	758	! print*,zt(i),'fractionglace'
	759	!>AJ
[1472]	760	radliq(i,k) = zoliq(i)/REAL(ninter+1)
	761	ENDIF
	762	ENDDO
	763	!
	764	DO n = 1, ninter
	765	DO i = 1, klon
	766	IF (rneb(i,k).GT.0.0) THEN
	767	zrhol(i) = zrho(i) * zoliq(i) / zneb(i)
[1855]	768	! Initialization of zpluie and zice:
	769	zpluie=0
	770	zice=0
[1472]	771	IF (zneb(i).EQ.seuil_neb) THEN
	772	ztot = 0.0
	773	ELSE
	774	! quantite d'eau a eliminer: zchau
	775	! meme chose pour la glace: zfroi
	776	if (ptconv(i,k)) then
	777	zcl =cld_lc_con
	778	zct =1./cld_tau_con
	779	zfroi = dtime/REAL(ninter)/zdz(i)*zoliq(i) &
	780	fallvc(zrhol(i)) zfice(i)
	781	else
	782	zcl =cld_lc_lsc
	783	zct =1./cld_tau_lsc
	784	zfroi = dtime/REAL(ninter)/zdz(i)*zoliq(i) &
	785	fallvs(zrhol(i)) zfice(i)
	786	endif
	787	zchau = zct dtime/REAL(ninter) zoliq(i) &
	788	(1.0-EXP(-(zoliq(i)/zneb(i)/zcl )2)) (1.-zfice(i))
[1849]	789	!AJ<
	790	IF (.NOT. ice_thermo) THEN
	791	ztot = zchau + zfroi
	792	ELSE
	793	zpluie = MIN(MAX(zchau,0.0),zoliq(i)*(1.-zfice(i)))
	794	zice = MIN(MAX(zfroi,0.0),zoliq(i)*zfice(i))
	795	ztot = zpluie + zice
	796	ENDIF
	797	!>AJ
[1472]	798	ztot = MAX(ztot ,0.0)
	799	ENDIF
	800	ztot = MIN(ztot,zoliq(i))
[1849]	801	!AJ<
	802	! zoliqp = MAX(zoliq(i)(1.-zfice(i))-1.zpluie , 0.0)
	803	! zoliqi = MAX(zoliq(i)zfice(i)-1.zice , 0.0)
	804	zoliqp(i) = MAX(zoliq(i)(1.-zfice(i))-1.zpluie , 0.0)
	805	zoliqi(i) = MAX(zoliq(i)zfice(i)-1.zice , 0.0)
[1472]	806	zoliq(i) = MAX(zoliq(i)-ztot , 0.0)
[1849]	807	!>AJ
[1472]	808	radliq(i,k) = radliq(i,k) + zoliq(i)/REAL(ninter+1)
	809	ENDIF
	810	ENDDO
	811	ENDDO
	812	!
[1849]	813	IF (.NOT. ice_thermo) THEN
	814	DO i = 1, klon
	815	IF (rneb(i,k).GT.0.0) THEN
[1472]	816	d_ql(i,k) = zoliq(i)
	817	zrfl(i) = zrfl(i)+ MAX(zcond(i)-zoliq(i),0.0) &
	818	* (paprs(i,k)-paprs(i,k+1))/(RG*dtime)
[1849]	819	ENDIF
	820	ENDDO
	821	ELSE
	822	DO i = 1, klon
	823	IF (rneb(i,k).GT.0.0) THEN
	824	d_ql(i,k) = zoliq(i)
	825	!AJ<
	826	zrfl(i) = zrfl(i)+ MAX(zcond(i)*(1.-zfice(i))-zoliqp(i),0.0) &
	827	(paprs(i,k)-paprs(i,k+1))/(RGdtime)
	828	zifl(i) = zifl(i)+ MAX(zcond(i)*zfice(i)-zoliqi(i),0.0) &
	829	(paprs(i,k)-paprs(i,k+1))/(RGdtime)
	830	! zrfl(i) = zrfl(i)+ zpluie &
	831	! (paprs(i,k)-paprs(i,k+1))/(RGdtime)
	832	! zifl(i) = zifl(i)+ zice &
	833	! (paprs(i,k)-paprs(i,k+1))/(RGdtime)
	834
	835	ENDIF
	836	ENDDO
	837	ENDIF
	838
	839	IF (ice_thermo) THEN
	840	DO i = 1, klon
	841	zmelt = ((zt(i)-273.15)/(ztfondue-273.15))**2
	842	zmelt = MIN(MAX(zmelt,0.),1.)
	843	zrfl(i)=zrfl(i)+zmelt*zifl(i)
	844	zifl(i)=zifl(i)*(1.-zmelt)
	845	! print*,zt(i),'octavio1'
	846	zt(i)=zt(i)-zifl(i)zmelt(RG*dtime)/(paprs(i,k)-paprs(i,k+1)) &
	847	RLMLT/RCPD/(1.0+RVTMP2zq(i))
	848	! print*,zt(i),zrfl(i),zifl(i),zmelt,'octavio2'
	849	ENDDO
	850	ENDIF
	851
	852
	853	IF (.NOT. ice_thermo) THEN
	854	DO i = 1, klon
	855	IF (zt(i).LT.RTT) THEN
[1472]	856	psfl(i,k)=zrfl(i)
[1849]	857	ELSE
[1472]	858	prfl(i,k)=zrfl(i)
[1849]	859	ENDIF
	860	ENDDO
	861	ELSE
	862	! JAM*************************************************
	863	! Revoir partie ci-dessous: à quoi servent psfl et prfl?
	864	! *****************************************************
	865
	866	DO i = 1, klon
	867	! IF (zt(i).LT.RTT) THEN
	868	psfl(i,k)=zifl(i)
	869	! ELSE
	870	prfl(i,k)=zrfl(i)
	871	! ENDIF
	872	!>AJ
	873	ENDDO
	874	ENDIF
[1472]	875	!
[1849]	876	!
[1472]	877	! Calculer les tendances de q et de t:
	878	!
	879	DO i = 1, klon
	880	d_q(i,k) = zq(i) - q(i,k)
	881	d_t(i,k) = zt(i) - t(i,k)
	882	ENDDO
	883	!
	884	!AA--------------- Calcul du lessivage stratiforme -------------
[524]	885
[1472]	886	DO i = 1,klon
	887	!
[1742]	888	if(zcond(i).gt.zoliq(i)+1.e-10) then
	889	beta(i,k) = (zcond(i)-zoliq(i))/zcond(i)/dtime
	890	else
	891	beta(i,k) = 0.
	892	endif
[1472]	893	zprec_cond(i) = MAX(zcond(i)-zoliq(i),0.0) &
	894	* (paprs(i,k)-paprs(i,k+1))/RG
	895	IF (rneb(i,k).GT.0.0.and.zprec_cond(i).gt.0.) THEN
	896	!AA lessivage nucleation LMD5 dans la couche elle-meme
	897	if (t(i,k) .GE. ztglace) THEN
	898	zalpha_tr = a_tr_sca(3)
	899	else
	900	zalpha_tr = a_tr_sca(4)
	901	endif
	902	zfrac_lessi = 1. - EXP(zalpha_tr*zprec_cond(i)/zneb(i))
	903	pfrac_nucl(i,k)=pfrac_nucl(i,k)(1.-zneb(i)zfrac_lessi)
	904	frac_nucl(i,k)= 1.-zneb(i)*zfrac_lessi
	905	!
	906	! nucleation avec un facteur -1 au lieu de -0.5
	907	zfrac_lessi = 1. - EXP(-zprec_cond(i)/zneb(i))
	908	pfrac_1nucl(i,k)=pfrac_1nucl(i,k)(1.-zneb(i)zfrac_lessi)
	909	ENDIF
	910	!
	911	ENDDO ! boucle sur i
	912	!
	913	!AA Lessivage par impaction dans les couches en-dessous
	914	DO kk = k-1, 1, -1
[524]	915	DO i = 1, klon
[1472]	916	IF (rneb(i,k).GT.0.0.and.zprec_cond(i).gt.0.) THEN
	917	if (t(i,kk) .GE. ztglace) THEN
	918	zalpha_tr = a_tr_sca(1)
	919	else
	920	zalpha_tr = a_tr_sca(2)
	921	endif
	922	zfrac_lessi = 1. - EXP(zalpha_tr*zprec_cond(i)/zneb(i))
	923	pfrac_impa(i,kk)=pfrac_impa(i,kk)(1.-zneb(i)zfrac_lessi)
	924	frac_impa(i,kk)= 1.-zneb(i)*zfrac_lessi
	925	ENDIF
[524]	926	ENDDO
[1472]	927	ENDDO
	928	!
	929	!AA----------------------------------------------------------
	930	! FIN DE BOUCLE SUR K
	931	end DO
	932	!
	933	!AA-----------------------------------------------------------
	934	!
	935	! Pluie ou neige au sol selon la temperature de la 1ere couche
	936	!
	937	DO i = 1, klon
	938	IF ((t(i,1)+d_t(i,1)) .LT. RTT) THEN
[1849]	939	!AJ<
	940	!! snow(i) = zrfl(i)
	941	snow(i) = zrfl(i)+zifl(i)
	942	!>AJ
[1472]	943	zlh_solid(i) = RLSTT-RLVTT
	944	ELSE
	945	rain(i) = zrfl(i)
	946	zlh_solid(i) = 0.
	947	ENDIF
	948	ENDDO
	949	!
	950	! For energy conservation : when snow is present, the solification
	951	! latent heat is considered.
	952	DO k = 1, klev
	953	DO i = 1, klon
	954	zcpair=RCPD(1.0+RVTMP2(q(i,k)+d_q(i,k)))
	955	zmair=(paprs(i,k)-paprs(i,k+1))/RG
	956	zm_solid = (prfl(i,k)-prfl(i,k+1)+psfl(i,k)-psfl(i,k+1))*dtime
	957	d_t(i,k) = d_t(i,k) + zlh_solid(i) zm_solid / (zcpairzmair)
	958	END DO
	959	END DO
	960	!
[883]	961
[1472]	962	if (ncoreczq>0) then
[1575]	963	WRITE(lunout,*)'WARNING : ZQ dans fisrtilp ',ncoreczq,' val < 1.e-15.'
[1472]	964	endif
	965
	966	END SUBROUTINE fisrtilp

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