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calfis.F @ 3492

Last change on this file since 3492 was 1407, checked in by Laurent Fairhead, 14 years ago

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Rev	Line
[524]	1	!
[1279]	2	! $Id: calfis.F 1407 2010-07-07 10:31:52Z jyg $
[524]	3	!
	4	C
	5	C
[1146]	6	SUBROUTINE calfis(lafin,
[1279]	7	$ jD_cur, jH_cur,
[524]	8	$ pucov,
	9	$ pvcov,
	10	$ pteta,
	11	$ pq,
	12	$ pmasse,
	13	$ pps,
	14	$ pp,
	15	$ ppk,
	16	$ pphis,
	17	$ pphi,
	18	$ pducov,
	19	$ pdvcov,
	20	$ pdteta,
	21	$ pdq,
	22	$ flxw,
	23	$ clesphy0,
	24	$ pdufi,
	25	$ pdvfi,
	26	$ pdhfi,
	27	$ pdqfi,
	28	$ pdpsfi)
	29	c
	30	c Auteur : P. Le Van, F. Hourdin
	31	c .........
[1146]	32	USE infotrac
[1403]	33	USE control_mod
	34
[524]	35
	36	IMPLICIT NONE
	37	c=======================================================================
	38	c
	39	c 1. rearrangement des tableaux et transformation
	40	c variables dynamiques > variables physiques
	41	c 2. calcul des termes physiques
	42	c 3. retransformation des tendances physiques en tendances dynamiques
	43	c
	44	c remarques:
	45	c ----------
	46	c
	47	c - les vents sont donnes dans la physique par leurs composantes
	48	c naturelles.
	49	c - la variable thermodynamique de la physique est une variable
	50	c intensive : T
	51	c pour la dynamique on prend T * ( preff / p(l) ) **kappa
	52	c - les deux seules variables dependant de la geometrie necessaires
	53	c pour la physique sont la latitude pour le rayonnement et
	54	c l'aire de la maille quand on veut integrer une grandeur
	55	c horizontalement.
	56	c - les points de la physique sont les points scalaires de la
	57	c la dynamique; numerotation:
	58	c 1 pour le pole nord
	59	c (jjm-1)*iim pour l'interieur du domaine
	60	c ngridmx pour le pole sud
	61	c ---> ngridmx=2+(jjm-1)*iim
	62	c
	63	c Input :
	64	c -------
	65	c pucov covariant zonal velocity
	66	c pvcov covariant meridional velocity
	67	c pteta potential temperature
	68	c pps surface pressure
	69	c pmasse masse d'air dans chaque maille
	70	c pts surface temperature (K)
	71	c callrad clef d'appel au rayonnement
	72	c
	73	c Output :
	74	c --------
	75	c pdufi tendency for the natural zonal velocity (ms-1)
	76	c pdvfi tendency for the natural meridional velocity
	77	c pdhfi tendency for the potential temperature
	78	c pdtsfi tendency for the surface temperature
	79	c
	80	c pdtrad radiative tendencies \ both input
	81	c pfluxrad radiative fluxes / and output
	82	c
	83	c=======================================================================
	84	c
	85	c-----------------------------------------------------------------------
	86	c
	87	c 0. Declarations :
	88	c ------------------
	89
	90	#include "dimensions.h"
	91	#include "paramet.h"
	92	#include "temps.h"
	93
[1146]	94	INTEGER ngridmx
[524]	95	PARAMETER( ngridmx = 2+(jjm-1)*iim - 1/jjm )
	96
	97	#include "comconst.h"
	98	#include "comvert.h"
	99	#include "comgeom2.h"
[1403]	100	#include "iniprint.h"
[524]	101
	102	c Arguments :
	103	c -----------
	104	LOGICAL lafin
	105
[1279]	106
[524]	107	REAL pvcov(iip1,jjm,llm)
	108	REAL pucov(iip1,jjp1,llm)
	109	REAL pteta(iip1,jjp1,llm)
	110	REAL pmasse(iip1,jjp1,llm)
[1146]	111	REAL pq(iip1,jjp1,llm,nqtot)
[524]	112	REAL pphis(iip1,jjp1)
	113	REAL pphi(iip1,jjp1,llm)
	114	c
	115	REAL pdvcov(iip1,jjm,llm)
	116	REAL pducov(iip1,jjp1,llm)
	117	REAL pdteta(iip1,jjp1,llm)
[1146]	118	REAL pdq(iip1,jjp1,llm,nqtot)
[524]	119	c
	120	REAL pps(iip1,jjp1)
	121	REAL pp(iip1,jjp1,llmp1)
	122	REAL ppk(iip1,jjp1,llm)
	123	c
	124	REAL pdvfi(iip1,jjm,llm)
	125	REAL pdufi(iip1,jjp1,llm)
	126	REAL pdhfi(iip1,jjp1,llm)
[1146]	127	REAL pdqfi(iip1,jjp1,llm,nqtot)
[524]	128	REAL pdpsfi(iip1,jjp1)
	129
	130	INTEGER longcles
	131	PARAMETER ( longcles = 20 )
	132	REAL clesphy0( longcles )
	133
	134
	135	c Local variables :
	136	c -----------------
	137
	138	INTEGER i,j,l,ig0,ig,iq,iiq
	139	REAL zpsrf(ngridmx)
	140	REAL zplev(ngridmx,llm+1),zplay(ngridmx,llm)
	141	REAL zphi(ngridmx,llm),zphis(ngridmx)
	142	c
	143	REAL zufi(ngridmx,llm), zvfi(ngridmx,llm)
[1146]	144	REAL ztfi(ngridmx,llm),zqfi(ngridmx,llm,nqtot)
[524]	145	c
	146	REAL pcvgu(ngridmx,llm), pcvgv(ngridmx,llm)
	147	REAL pcvgt(ngridmx,llm), pcvgq(ngridmx,llm,2)
	148	c
	149	REAL zdufi(ngridmx,llm),zdvfi(ngridmx,llm)
[1146]	150	REAL zdtfi(ngridmx,llm),zdqfi(ngridmx,llm,nqtot)
[524]	151	REAL zdpsrf(ngridmx)
	152	c
[1403]	153	REAL zdufic(ngridmx,llm),zdvfic(ngridmx,llm)
	154	REAL zdtfic(ngridmx,llm),zdqfic(ngridmx,llm,nqtot)
	155	REAL jH_cur_split,zdt_split
	156	LOGICAL debut_split,lafin_split
	157	INTEGER isplit
	158
[524]	159	REAL zsin(iim),zcos(iim),z1(iim)
	160	REAL zsinbis(iim),zcosbis(iim),z1bis(iim)
	161	REAL unskap, pksurcp
[644]	162	c
	163	cIM diagnostique PVteta, Amip2
	164	INTEGER ntetaSTD
	165	PARAMETER(ntetaSTD=3)
	166	REAL rtetaSTD(ntetaSTD)
	167	DATA rtetaSTD/350., 380., 405./
	168	REAL PVteta(ngridmx,ntetaSTD)
	169	c
[960]	170	REAL flxw(iip1,jjp1,llm) ! Flux de masse verticale sur la grille dynamique
	171	REAL flxwfi(ngridmx,llm) ! Flux de masse verticale sur la grille physiq
[524]	172	c
	173
	174	REAL SSUM
	175
	176	LOGICAL firstcal, debut
	177	DATA firstcal/.true./
	178	SAVE firstcal,debut
[1279]	179	! REAL rdayvrai
	180	REAL, intent(in):: jD_cur, jH_cur
[524]	181	c
	182	c-----------------------------------------------------------------------
	183	c
	184	c 1. Initialisations :
	185	c --------------------
	186	c
[1279]	187	c
	188	IF ( firstcal ) THEN
	189	debut = .TRUE.
	190	IF (ngridmx.NE.2+(jjm-1)*iim) THEN
[1403]	191	write(lunout,*) 'STOP dans calfis'
	192	write(lunout,*)
	193	& 'La dimension ngridmx doit etre egale a 2 + (jjm-1)*iim'
	194	write(lunout,*) ' ngridmx jjm iim '
	195	write(lunout,*) ngridmx,jjm,iim
[524]	196	STOP
[1279]	197	ENDIF
[524]	198	ELSE
[1279]	199	debut = .FALSE.
	200	ENDIF ! of IF (firstcal)
[524]	201
	202	c
	203	c
	204	c-----------------------------------------------------------------------
	205	c 40. transformation des variables dynamiques en variables physiques:
	206	c ---------------------------------------------------------------
	207
	208	c 41. pressions au sol (en Pascals)
	209	c ----------------------------------
	210
	211
	212	zpsrf(1) = pps(1,1)
	213
	214	ig0 = 2
	215	DO j = 2,jjm
	216	CALL SCOPY( iim,pps(1,j),1,zpsrf(ig0), 1 )
	217	ig0 = ig0+iim
	218	ENDDO
	219
	220	zpsrf(ngridmx) = pps(1,jjp1)
	221
	222
	223	c 42. pression intercouches :
	224	c
	225	c -----------------------------------------------------------------
	226	c .... zplev definis aux (llm +1) interfaces des couches ....
	227	c .... zplay definis aux ( llm ) milieux des couches ....
	228	c -----------------------------------------------------------------
	229
	230	c ... Exner = cp * ( p(l) / preff ) ** kappa ....
	231	c
	232	unskap = 1./ kappa
	233	c
	234	DO l = 1, llmp1
	235	zplev( 1,l ) = pp(1,1,l)
	236	ig0 = 2
	237	DO j = 2, jjm
	238	DO i =1, iim
	239	zplev( ig0,l ) = pp(i,j,l)
	240	ig0 = ig0 +1
	241	ENDDO
	242	ENDDO
	243	zplev( ngridmx,l ) = pp(1,jjp1,l)
	244	ENDDO
	245	c
	246	c
	247
	248	c 43. temperature naturelle (en K) et pressions milieux couches .
	249	c ---------------------------------------------------------------
	250
	251	DO l=1,llm
	252
	253	pksurcp = ppk(1,1,l) / cpp
	254	zplay(1,l) = preff * pksurcp ** unskap
	255	ztfi(1,l) = pteta(1,1,l) * pksurcp
	256	pcvgt(1,l) = pdteta(1,1,l) * pksurcp / pmasse(1,1,l)
	257	ig0 = 2
	258
	259	DO j = 2, jjm
	260	DO i = 1, iim
	261	pksurcp = ppk(i,j,l) / cpp
	262	zplay(ig0,l) = preff * pksurcp ** unskap
	263	ztfi(ig0,l) = pteta(i,j,l) * pksurcp
	264	pcvgt(ig0,l) = pdteta(i,j,l) * pksurcp / pmasse(i,j,l)
	265	ig0 = ig0 + 1
	266	ENDDO
	267	ENDDO
	268
	269	pksurcp = ppk(1,jjp1,l) / cpp
	270	zplay(ig0,l) = preff * pksurcp ** unskap
	271	ztfi (ig0,l) = pteta(1,jjp1,l) * pksurcp
	272	pcvgt(ig0,l) = pdteta(1,jjp1,l) * pksurcp/ pmasse(1,jjp1,l)
	273
	274	ENDDO
	275
	276	c 43.bis traceurs
	277	c ---------------
	278	c
[1146]	279	DO iq=1,nqtot
[524]	280	iiq=niadv(iq)
	281	DO l=1,llm
	282	zqfi(1,l,iq) = pq(1,1,l,iiq)
	283	ig0 = 2
	284	DO j=2,jjm
	285	DO i = 1, iim
	286	zqfi(ig0,l,iq) = pq(i,j,l,iiq)
	287	ig0 = ig0 + 1
	288	ENDDO
	289	ENDDO
	290	zqfi(ig0,l,iq) = pq(1,jjp1,l,iiq)
	291	ENDDO
	292	ENDDO
	293
	294	c convergence dynamique pour les traceurs "EAU"
[1279]	295	! Earth-specific treatment of first 2 tracers (water)
	296	if (planet_type=="earth") then
	297	DO iq=1,2
[524]	298	DO l=1,llm
	299	pcvgq(1,l,iq)= pdq(1,1,l,iq) / pmasse(1,1,l)
	300	ig0 = 2
	301	DO j=2,jjm
	302	DO i = 1, iim
	303	pcvgq(ig0,l,iq) = pdq(i,j,l,iq) / pmasse(i,j,l)
	304	ig0 = ig0 + 1
	305	ENDDO
	306	ENDDO
	307	pcvgq(ig0,l,iq)= pdq(1,jjp1,l,iq) / pmasse(1,jjp1,l)
	308	ENDDO
[1279]	309	ENDDO
	310	endif ! of if (planet_type=="earth")
[524]	311
	312
	313	c Geopotentiel calcule par rapport a la surface locale:
	314	c -----------------------------------------------------
	315
	316	CALL gr_dyn_fi(llm,iip1,jjp1,ngridmx,pphi,zphi)
	317	CALL gr_dyn_fi(1,iip1,jjp1,ngridmx,pphis,zphis)
	318	DO l=1,llm
[1403]	319	DO ig=1,ngridmx
	320	zphi(ig,l)=zphi(ig,l)-zphis(ig)
	321	ENDDO
[524]	322	ENDDO
	323
	324	c .... Calcul de la vitesse verticale ( en Pams ou Kg/s ) ....
[960]	325	c JG : ancien calcule de omega utilise dans physiq.F. Maintenant le flux
	326	c de masse est calclue dans advtrac.F
	327	c DO l=1,llm
	328	c pvervel(1,l)=pw(1,1,l) * g /apoln
	329	c ig0=2
	330	c DO j=2,jjm
	331	c DO i = 1, iim
	332	c pvervel(ig0,l) = pw(i,j,l) * g * unsaire(i,j)
	333	c ig0 = ig0 + 1
	334	c ENDDO
	335	c ENDDO
	336	c pvervel(ig0,l)=pw(1,jjp1,l) * g /apols
	337	c ENDDO
[524]	338
	339	c
	340	c 45. champ u:
	341	c ------------
	342
	343	DO 50 l=1,llm
	344
	345	DO 25 j=2,jjm
	346	ig0 = 1+(j-2)*iim
	347	zufi(ig0+1,l)= 0.5 *
	348	$ ( pucov(iim,j,l)/cu(iim,j) + pucov(1,j,l)/cu(1,j) )
	349	pcvgu(ig0+1,l)= 0.5 *
	350	$ ( pducov(iim,j,l)/cu(iim,j) + pducov(1,j,l)/cu(1,j) )
	351	DO 10 i=2,iim
	352	zufi(ig0+i,l)= 0.5 *
	353	$ ( pucov(i-1,j,l)/cu(i-1,j) + pucov(i,j,l)/cu(i,j) )
	354	pcvgu(ig0+i,l)= 0.5 *
	355	$ ( pducov(i-1,j,l)/cu(i-1,j) + pducov(i,j,l)/cu(i,j) )
	356	10 CONTINUE
	357	25 CONTINUE
	358
	359	50 CONTINUE
	360
	361
	362	c 46.champ v:
	363	c -----------
	364
	365	DO l=1,llm
	366	DO j=2,jjm
	367	ig0=1+(j-2)*iim
	368	DO i=1,iim
	369	zvfi(ig0+i,l)= 0.5 *
	370	$ ( pvcov(i,j-1,l)/cv(i,j-1) + pvcov(i,j,l)/cv(i,j) )
	371	pcvgv(ig0+i,l)= 0.5 *
	372	$ ( pdvcov(i,j-1,l)/cv(i,j-1) + pdvcov(i,j,l)/cv(i,j) )
	373	ENDDO
	374	ENDDO
	375	ENDDO
	376
	377
	378	c 47. champs de vents aux pole nord
	379	c ------------------------------
	380	c U = 1 / pi * integrale [ v * cos(long) * d long ]
	381	c V = 1 / pi * integrale [ v * sin(long) * d long ]
	382
	383	DO l=1,llm
	384
	385	z1(1) =(rlonu(1)-rlonu(iim)+2.pi)pvcov(1,1,l)/cv(1,1)
	386	z1bis(1)=(rlonu(1)-rlonu(iim)+2.pi)pdvcov(1,1,l)/cv(1,1)
	387	DO i=2,iim
	388	z1(i) =(rlonu(i)-rlonu(i-1))*pvcov(i,1,l)/cv(i,1)
	389	z1bis(i)=(rlonu(i)-rlonu(i-1))*pdvcov(i,1,l)/cv(i,1)
	390	ENDDO
	391
	392	DO i=1,iim
	393	zcos(i) = COS(rlonv(i))*z1(i)
	394	zcosbis(i)= COS(rlonv(i))*z1bis(i)
	395	zsin(i) = SIN(rlonv(i))*z1(i)
	396	zsinbis(i)= SIN(rlonv(i))*z1bis(i)
	397	ENDDO
	398
	399	zufi(1,l) = SSUM(iim,zcos,1)/pi
	400	pcvgu(1,l) = SSUM(iim,zcosbis,1)/pi
	401	zvfi(1,l) = SSUM(iim,zsin,1)/pi
	402	pcvgv(1,l) = SSUM(iim,zsinbis,1)/pi
	403
	404	ENDDO
	405
	406
	407	c 48. champs de vents aux pole sud:
	408	c ---------------------------------
	409	c U = 1 / pi * integrale [ v * cos(long) * d long ]
	410	c V = 1 / pi * integrale [ v * sin(long) * d long ]
	411
	412	DO l=1,llm
	413
	414	z1(1) =(rlonu(1)-rlonu(iim)+2.pi)pvcov(1,jjm,l)/cv(1,jjm)
	415	z1bis(1)=(rlonu(1)-rlonu(iim)+2.pi)pdvcov(1,jjm,l)/cv(1,jjm)
	416	DO i=2,iim
	417	z1(i) =(rlonu(i)-rlonu(i-1))*pvcov(i,jjm,l)/cv(i,jjm)
	418	z1bis(i)=(rlonu(i)-rlonu(i-1))*pdvcov(i,jjm,l)/cv(i,jjm)
[1403]	419	ENDDO
[524]	420
	421	DO i=1,iim
	422	zcos(i) = COS(rlonv(i))*z1(i)
	423	zcosbis(i) = COS(rlonv(i))*z1bis(i)
	424	zsin(i) = SIN(rlonv(i))*z1(i)
	425	zsinbis(i) = SIN(rlonv(i))*z1bis(i)
[1403]	426	ENDDO
[524]	427
	428	zufi(ngridmx,l) = SSUM(iim,zcos,1)/pi
	429	pcvgu(ngridmx,l) = SSUM(iim,zcosbis,1)/pi
	430	zvfi(ngridmx,l) = SSUM(iim,zsin,1)/pi
	431	pcvgv(ngridmx,l) = SSUM(iim,zsinbis,1)/pi
	432
	433	ENDDO
[644]	434	c
[1279]	435	if (planet_type=="earth") then
	436	#ifdef CPP_EARTH
[644]	437	cIM calcul PV a teta=350, 380, 405K
	438	CALL PVtheta(ngridmx,llm,pucov,pvcov,pteta,
	439	$ ztfi,zplay,zplev,
	440	$ ntetaSTD,rtetaSTD,PVteta)
[1279]	441	#endif
	442	endif
[644]	443	c
[960]	444	c On change de grille, dynamique vers physiq, pour le flux de masse verticale
[524]	445	CALL gr_dyn_fi(llm,iip1,jjp1,ngridmx,flxw,flxwfi)
	446
	447	c-----------------------------------------------------------------------
	448	c Appel de la physique:
	449	c ---------------------
	450
	451
[1279]	452	if (planet_type=="earth") then
	453	#ifdef CPP_EARTH
[1403]	454
[1407]	455	! write(lunout,*) 'PHYSIQUE AVEC NSPLIT_PHYS=',nsplit_phys
[1403]	456	zdt_split=dtphys/nsplit_phys
	457	zdufic(:,:)=0.
	458	zdvfic(:,:)=0.
	459	zdtfic(:,:)=0.
	460	zdqfic(:,:,:)=0.
	461
	462	do isplit=1,nsplit_phys
	463
	464	jH_cur_split=jH_cur+(isplit-1) * dtvr / (daysec *nsplit_phys)
	465	debut_split=debut.and.isplit==1
	466	lafin_split=lafin.and.isplit==nsplit_phys
	467
	468	CALL physiq (ngridmx,
[524]	469	. llm,
[1403]	470	. debut_split,
	471	. lafin_split,
[1279]	472	. jD_cur,
[1403]	473	. jH_cur_split,
	474	. zdt_split,
[524]	475	. zplev,
	476	. zplay,
	477	. zphi,
	478	. zphis,
	479	. presnivs,
	480	. clesphy0,
	481	. zufi,
	482	. zvfi,
	483	. ztfi,
	484	. zqfi,
	485	. flxwfi,
	486	. zdufi,
	487	. zdvfi,
	488	. zdtfi,
	489	. zdqfi,
[644]	490	. zdpsrf,
	491	cIM diagnostique PVteta, Amip2
	492	. pducov,
	493	. PVteta)
[1403]	494
	495	zufi(:,:)=zufi(:,:)+zdufi(:,:)*zdt_split
	496	zvfi(:,:)=zvfi(:,:)+zdvfi(:,:)*zdt_split
	497	ztfi(:,:)=ztfi(:,:)+zdtfi(:,:)*zdt_split
	498	zqfi(:,:,:)=zqfi(:,:,:)+zdqfi(:,:,:)*zdt_split
	499
	500	zdufic(:,:)=zdufic(:,:)+zdufi(:,:)
	501	zdvfic(:,:)=zdvfic(:,:)+zdvfi(:,:)
	502	zdtfic(:,:)=zdtfic(:,:)+zdtfi(:,:)
	503	zdqfic(:,:,:)=zdqfic(:,:,:)+zdqfi(:,:,:)
	504
	505	enddo
	506	zdufi(:,:)=zdufic(:,:)/nsplit_phys
	507	zdvfi(:,:)=zdvfic(:,:)/nsplit_phys
	508	zdtfi(:,:)=zdtfic(:,:)/nsplit_phys
	509	zdqfi(:,:,:)=zdqfic(:,:,:)/nsplit_phys
	510
[1279]	511	#endif
	512	endif !of if (planet_type=="earth")
[524]	513
	514	500 CONTINUE
	515
	516	c-----------------------------------------------------------------------
	517	c transformation des tendances physiques en tendances dynamiques:
	518	c ---------------------------------------------------------------
	519
	520	c tendance sur la pression :
	521	c -----------------------------------
	522
	523	CALL gr_fi_dyn(1,ngridmx,iip1,jjp1,zdpsrf,pdpsfi)
	524	c
	525	c 62. enthalpie potentielle
	526	c ---------------------
	527
	528	DO l=1,llm
	529
	530	DO i=1,iip1
	531	pdhfi(i,1,l) = cpp * zdtfi(1,l) / ppk(i, 1 ,l)
	532	pdhfi(i,jjp1,l) = cpp * zdtfi(ngridmx,l)/ ppk(i,jjp1,l)
	533	ENDDO
	534
	535	DO j=2,jjm
	536	ig0=1+(j-2)*iim
	537	DO i=1,iim
	538	pdhfi(i,j,l) = cpp * zdtfi(ig0+i,l) / ppk(i,j,l)
	539	ENDDO
	540	pdhfi(iip1,j,l) = pdhfi(1,j,l)
	541	ENDDO
	542
	543	ENDDO
	544
	545
	546	c 62. humidite specifique
	547	c ---------------------
[1279]	548	! Ehouarn: removed this useless bit: was overwritten at step 63 anyways
	549	! DO iq=1,nqtot
	550	! DO l=1,llm
	551	! DO i=1,iip1
	552	! pdqfi(i,1,l,iq) = zdqfi(1,l,iq)
	553	! pdqfi(i,jjp1,l,iq) = zdqfi(ngridmx,l,iq)
	554	! ENDDO
	555	! DO j=2,jjm
	556	! ig0=1+(j-2)*iim
	557	! DO i=1,iim
	558	! pdqfi(i,j,l,iq) = zdqfi(ig0+i,l,iq)
	559	! ENDDO
	560	! pdqfi(iip1,j,l,iq) = pdqfi(1,j,l,iq)
	561	! ENDDO
	562	! ENDDO
	563	! ENDDO
[524]	564
	565	c 63. traceurs
	566	c ------------
	567	C initialisation des tendances
[1279]	568	pdqfi(:,:,:,:)=0.
[524]	569	C
[1146]	570	DO iq=1,nqtot
[524]	571	iiq=niadv(iq)
	572	DO l=1,llm
	573	DO i=1,iip1
	574	pdqfi(i,1,l,iiq) = zdqfi(1,l,iq)
	575	pdqfi(i,jjp1,l,iiq) = zdqfi(ngridmx,l,iq)
	576	ENDDO
	577	DO j=2,jjm
	578	ig0=1+(j-2)*iim
	579	DO i=1,iim
	580	pdqfi(i,j,l,iiq) = zdqfi(ig0+i,l,iq)
	581	ENDDO
	582	pdqfi(iip1,j,l,iiq) = pdqfi(1,j,l,iq)
	583	ENDDO
	584	ENDDO
	585	ENDDO
	586
	587	c 65. champ u:
	588	c ------------
	589
	590	DO l=1,llm
	591
	592	DO i=1,iip1
	593	pdufi(i,1,l) = 0.
	594	pdufi(i,jjp1,l) = 0.
	595	ENDDO
	596
	597	DO j=2,jjm
	598	ig0=1+(j-2)*iim
	599	DO i=1,iim-1
	600	pdufi(i,j,l)=
	601	$ 0.5(zdufi(ig0+i,l)+zdufi(ig0+i+1,l))cu(i,j)
	602	ENDDO
	603	pdufi(iim,j,l)=
	604	$ 0.5(zdufi(ig0+1,l)+zdufi(ig0+iim,l))cu(iim,j)
	605	pdufi(iip1,j,l)=pdufi(1,j,l)
	606	ENDDO
	607
	608	ENDDO
	609
	610
	611	c 67. champ v:
	612	c ------------
	613
	614	DO l=1,llm
	615
	616	DO j=2,jjm-1
	617	ig0=1+(j-2)*iim
	618	DO i=1,iim
	619	pdvfi(i,j,l)=
	620	$ 0.5(zdvfi(ig0+i,l)+zdvfi(ig0+i+iim,l))cv(i,j)
	621	ENDDO
	622	pdvfi(iip1,j,l) = pdvfi(1,j,l)
	623	ENDDO
	624	ENDDO
	625
	626
	627	c 68. champ v pres des poles:
	628	c ---------------------------
	629	c v = U * cos(long) + V * SIN(long)
	630
	631	DO l=1,llm
	632
	633	DO i=1,iim
	634	pdvfi(i,1,l)=
	635	$ zdufi(1,l)COS(rlonv(i))+zdvfi(1,l)SIN(rlonv(i))
	636	pdvfi(i,jjm,l)=zdufi(ngridmx,l)*COS(rlonv(i))
	637	$ +zdvfi(ngridmx,l)*SIN(rlonv(i))
	638	pdvfi(i,1,l)=
	639	$ 0.5(pdvfi(i,1,l)+zdvfi(i+1,l))cv(i,1)
	640	pdvfi(i,jjm,l)=
	641	$ 0.5(pdvfi(i,jjm,l)+zdvfi(ngridmx-iip1+i,l))cv(i,jjm)
	642	ENDDO
	643
	644	pdvfi(iip1,1,l) = pdvfi(1,1,l)
	645	pdvfi(iip1,jjm,l)= pdvfi(1,jjm,l)
	646
	647	ENDDO
	648
	649	c-----------------------------------------------------------------------
	650
	651	700 CONTINUE
	652
	653	firstcal = .FALSE.
	654
	655	RETURN
	656	END

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