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leapfrog.F @ 2488

Last change on this file since 2488 was 2488, checked in by Laurent Fairhead, 9 years ago
Merged trunk changes r2457:2487 into testing branch
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: 28.3 KB

Rev	Line
[524]	1	!
[1279]	2	! $Id: leapfrog.F 2488 2016-04-02 22:09:34Z fairhead $
	3	!
[524]	4	c
	5	c
[2258]	6	SUBROUTINE leapfrog(ucov,vcov,teta,ps,masse,phis,q,time_0)
[524]	7
	8
[692]	9	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
[1146]	10	#ifdef CPP_IOIPSL
	11	use IOIPSL
	12	#endif
[2298]	13	USE infotrac, ONLY: nqtot,ok_iso_verif
[1279]	14	USE guide_mod, ONLY : guide_main
[1999]	15	USE write_field, ONLY: writefield
	16	USE control_mod, ONLY: nday, day_step, planet_type, offline,
	17	& iconser, iphysiq, iperiod, dissip_period,
	18	& iecri, ip_ebil_dyn, ok_dynzon, ok_dyn_ins,
	19	& periodav, ok_dyn_ave, output_grads_dyn
[2056]	20	use exner_hyb_m, only: exner_hyb
	21	use exner_milieu_m, only: exner_milieu
	22
[524]	23	IMPLICIT NONE
	24
	25	c ...... Version du 10/01/98 ..........
	26
	27	c avec coordonnees verticales hybrides
	28	c avec nouveaux operat. dissipation * ( gradiv2,divgrad2,nxgraro2 )
	29
	30	c=======================================================================
	31	c
	32	c Auteur: P. Le Van /L. Fairhead/F.Hourdin
	33	c -------
	34	c
	35	c Objet:
	36	c ------
	37	c
	38	c GCM LMD nouvelle grille
	39	c
	40	c=======================================================================
	41	c
	42	c ... Dans inigeom , nouveaux calculs pour les elongations cu , cv
	43	c et possibilite d'appeler une fonction f(y) a derivee tangente
	44	c hyperbolique a la place de la fonction a derivee sinusoidale.
	45
	46	c ... Possibilite de choisir le shema pour l'advection de
	47	c q , en modifiant iadv dans traceur.def (10/02) .
	48	c
	49	c Pour Van-Leer + Vapeur d'eau saturee, iadv(1)=4. (F.Codron,10/99)
	50	c Pour Van-Leer iadv=10
	51	c
	52	c-----------------------------------------------------------------------
	53	c Declarations:
	54	c -------------
	55
	56	#include "dimensions.h"
	57	#include "paramet.h"
	58	#include "comconst.h"
	59	#include "comdissnew.h"
	60	#include "comvert.h"
	61	#include "comgeom.h"
	62	#include "logic.h"
	63	#include "temps.h"
	64	#include "ener.h"
	65	#include "description.h"
	66	#include "serre.h"
[1403]	67	!#include "com_io_dyn.h"
[524]	68	#include "iniprint.h"
	69	#include "academic.h"
	70
[1999]	71	REAL,INTENT(IN) :: time_0 ! not used
[524]	72
[1999]	73	c dynamical variables:
	74	REAL,INTENT(INOUT) :: ucov(ip1jmp1,llm) ! zonal covariant wind
	75	REAL,INTENT(INOUT) :: vcov(ip1jm,llm) ! meridional covariant wind
	76	REAL,INTENT(INOUT) :: teta(ip1jmp1,llm) ! potential temperature
	77	REAL,INTENT(INOUT) :: ps(ip1jmp1) ! surface pressure (Pa)
	78	REAL,INTENT(INOUT) :: masse(ip1jmp1,llm) ! air mass
	79	REAL,INTENT(INOUT) :: phis(ip1jmp1) ! geopotentiat at the surface
	80	REAL,INTENT(INOUT) :: q(ip1jmp1,llm,nqtot) ! advected tracers
	81
	82	REAL p (ip1jmp1,llmp1 ) ! interlayer pressure
	83	REAL pks(ip1jmp1) ! exner at the surface
	84	REAL pk(ip1jmp1,llm) ! exner at mid-layer
	85	REAL pkf(ip1jmp1,llm) ! filtered exner at mid-layer
	86	REAL phi(ip1jmp1,llm) ! geopotential
	87	REAL w(ip1jmp1,llm) ! vertical velocity
	88
[524]	89	real zqmin,zqmax
	90
	91	c variables dynamiques intermediaire pour le transport
	92	REAL pbaru(ip1jmp1,llm),pbarv(ip1jm,llm) !flux de masse
	93
	94	c variables dynamiques au pas -1
	95	REAL vcovm1(ip1jm,llm),ucovm1(ip1jmp1,llm)
	96	REAL tetam1(ip1jmp1,llm),psm1(ip1jmp1)
	97	REAL massem1(ip1jmp1,llm)
	98
	99	c tendances dynamiques
	100	REAL dv(ip1jm,llm),du(ip1jmp1,llm)
[1146]	101	REAL dteta(ip1jmp1,llm),dq(ip1jmp1,llm,nqtot),dp(ip1jmp1)
[524]	102
	103	c tendances de la dissipation
	104	REAL dvdis(ip1jm,llm),dudis(ip1jmp1,llm)
	105	REAL dtetadis(ip1jmp1,llm)
	106
	107	c tendances physiques
	108	REAL dvfi(ip1jm,llm),dufi(ip1jmp1,llm)
[1146]	109	REAL dtetafi(ip1jmp1,llm),dqfi(ip1jmp1,llm,nqtot),dpfi(ip1jmp1)
[524]	110
	111	c variables pour le fichier histoire
	112	REAL dtav ! intervalle de temps elementaire
	113
	114	REAL tppn(iim),tpps(iim),tpn,tps
	115	c
	116	INTEGER itau,itaufinp1,iav
[1279]	117	! INTEGER iday ! jour julien
	118	REAL time
[524]	119
	120	REAL SSUM
[1665]	121	! REAL finvmaold(ip1jmp1,llm)
[524]	122
[566]	123	cym LOGICAL lafin
	124	LOGICAL :: lafin=.false.
[524]	125	INTEGER ij,iq,l
	126	INTEGER ik
	127
	128	real time_step, t_wrt, t_ops
	129
[1279]	130	! REAL rdayvrai,rdaym_ini
	131	! jD_cur: jour julien courant
	132	! jH_cur: heure julienne courante
	133	REAL :: jD_cur, jH_cur
	134	INTEGER :: an, mois, jour
	135	REAL :: secondes
	136
[524]	137	LOGICAL first,callinigrads
[692]	138	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
	139	save first
	140	data first/.true./
[1279]	141	real dt_cum
[692]	142	character*10 infile
	143	integer zan, tau0, thoriid
	144	integer nid_ctesGCM
	145	save nid_ctesGCM
	146	real degres
	147	real rlong(iip1), rlatg(jjp1)
	148	real zx_tmp_2d(iip1,jjp1)
	149	integer ndex2d(iip1*jjp1)
	150	logical ok_sync
	151	parameter (ok_sync = .true.)
[1529]	152	logical physic
[524]	153
	154	data callinigrads/.true./
	155	character*10 string10
	156
[960]	157	REAL :: flxw(ip1jmp1,llm) ! flux de masse verticale
[524]	158
	159	c+jld variables test conservation energie
	160	REAL ecin(ip1jmp1,llm),ecin0(ip1jmp1,llm)
	161	C Tendance de la temp. potentiel d (theta)/ d t due a la
	162	C tansformation d'energie cinetique en energie thermique
	163	C cree par la dissipation
	164	REAL dtetaecdt(ip1jmp1,llm)
	165	REAL vcont(ip1jm,llm),ucont(ip1jmp1,llm)
	166	REAL vnat(ip1jm,llm),unat(ip1jmp1,llm)
	167	REAL d_h_vcol, d_qt, d_qw, d_ql, d_ec
	168	CHARACTER*15 ztit
[692]	169	!IM INTEGER ip_ebil_dyn ! PRINT level for energy conserv. diag.
	170	!IM SAVE ip_ebil_dyn
	171	!IM DATA ip_ebil_dyn/0/
[524]	172	c-jld
	173
	174	character*80 dynhist_file, dynhistave_file
[1520]	175	character(len=*),parameter :: modname="leapfrog"
[524]	176	character*80 abort_message
	177
	178	logical dissip_conservative
	179	save dissip_conservative
	180	data dissip_conservative/.true./
	181
	182	LOGICAL prem
	183	save prem
	184	DATA prem/.true./
	185	INTEGER testita
	186	PARAMETER (testita = 9)
	187
[1286]	188	logical , parameter :: flag_verif = .false.
[999]	189
	190
[825]	191	integer itau_w ! pas de temps ecriture = itap + itau_phy
	192
	193
[2056]	194	if (nday>=0) then
	195	itaufin = nday*day_step
	196	else
	197	itaufin = -nday
	198	endif
[524]	199	itaufinp1 = itaufin +1
[1529]	200	itau = 0
	201	physic=.true.
	202	if (iflag_phys==0.or.iflag_phys==2) physic=.false.
[524]	203
[1403]	204	c iday = day_ini+itau/day_step
	205	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
	206	c IF(time.GT.1.) THEN
	207	c time = time-1.
	208	c iday = iday+1
	209	c ENDIF
[524]	210
	211
	212	c-----------------------------------------------------------------------
	213	c On initialise la pression et la fonction d'Exner :
	214	c --------------------------------------------------
	215
[1454]	216	dq(:,:,:)=0.
[524]	217	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1665]	218	if (pressure_exner) then
[2056]	219	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
[1665]	220	else
[2056]	221	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	222	endif
[524]	223
	224	c-----------------------------------------------------------------------
	225	c Debut de l'integration temporelle:
	226	c ----------------------------------
	227
[1665]	228	1 CONTINUE ! Matsuno Forward step begins here
[524]	229
[2408]	230	c date: (NB: date remains unchanged for Backward step)
	231	c -----
	232
[1665]	233	jD_cur = jD_ref + day_ini - day_ref + &
[2408]	234	& (itau+1)/day_step
[1665]	235	jH_cur = jH_ref + start_time + &
[2408]	236	& mod(itau+1,day_step)/float(day_step)
[1665]	237	jD_cur = jD_cur + int(jH_cur)
	238	jH_cur = jH_cur - int(jH_cur)
[524]	239
[2298]	240	if (ok_iso_verif) then
	241	call check_isotopes_seq(q,ip1jmp1,'leapfrog 321')
	242	endif !if (ok_iso_verif) then
[1279]	243
[524]	244	#ifdef CPP_IOIPSL
[1279]	245	if (ok_guide) then
	246	call guide_main(itau,ucov,vcov,teta,q,masse,ps)
[524]	247	endif
	248	#endif
[1279]	249
	250
[524]	251	c
	252	c IF( MOD( itau, 10* day_step ).EQ.0 ) THEN
	253	c CALL test_period ( ucov,vcov,teta,q,p,phis )
	254	c PRINT *,' ---- Test_period apres continue OK ! -----', itau
	255	c ENDIF
	256	c
[1146]	257
	258	! Save fields obtained at previous time step as '...m1'
[524]	259	CALL SCOPY( ijmllm ,vcov , 1, vcovm1 , 1 )
	260	CALL SCOPY( ijp1llm,ucov , 1, ucovm1 , 1 )
	261	CALL SCOPY( ijp1llm,teta , 1, tetam1 , 1 )
	262	CALL SCOPY( ijp1llm,masse, 1, massem1, 1 )
	263	CALL SCOPY( ip1jmp1, ps , 1, psm1 , 1 )
	264
	265	forward = .TRUE.
	266	leapf = .FALSE.
	267	dt = dtvr
	268
	269	c ... P.Le Van .26/04/94 ....
[1665]	270	! Ehouarn: finvmaold is actually not used
	271	! CALL SCOPY ( ijp1llm, masse, 1, finvmaold, 1 )
	272	! CALL filtreg ( finvmaold ,jjp1, llm, -2,2, .TRUE., 1 )
[524]	273
[2298]	274	if (ok_iso_verif) then
	275	call check_isotopes_seq(q,ip1jmp1,'leapfrog 400')
	276	endif !if (ok_iso_verif) then
	277
[1665]	278	2 CONTINUE ! Matsuno backward or leapfrog step begins here
[524]	279
	280	c-----------------------------------------------------------------------
	281
[2408]	282	c date: (NB: only leapfrog step requires recomputing date)
[524]	283	c -----
	284
[2408]	285	IF (leapf) THEN
	286	jD_cur = jD_ref + day_ini - day_ref +
	287	& (itau+1)/day_step
	288	jH_cur = jH_ref + start_time +
	289	& mod(itau+1,day_step)/float(day_step)
	290	jD_cur = jD_cur + int(jH_cur)
	291	jH_cur = jH_cur - int(jH_cur)
	292	ENDIF
[524]	293
[2408]	294
[524]	295	c gestion des appels de la physique et des dissipations:
	296	c ------------------------------------------------------
	297	c
	298	c ... P.Le Van ( 6/02/95 ) ....
	299
	300	apphys = .FALSE.
	301	statcl = .FALSE.
	302	conser = .FALSE.
	303	apdiss = .FALSE.
	304
	305	IF( purmats ) THEN
[1403]	306	! Purely Matsuno time stepping
[524]	307	IF( MOD(itau,iconser) .EQ.0.AND. forward ) conser = .TRUE.
[1502]	308	IF( MOD(itau,dissip_period ).EQ.0.AND..NOT.forward )
	309	s apdiss = .TRUE.
[524]	310	IF( MOD(itau,iphysiq ).EQ.0.AND..NOT.forward
[1529]	311	s .and. physic ) apphys = .TRUE.
[524]	312	ELSE
[1403]	313	! Leapfrog/Matsuno time stepping
[524]	314	IF( MOD(itau ,iconser) .EQ. 0 ) conser = .TRUE.
[1502]	315	IF( MOD(itau+1,dissip_period).EQ.0 .AND. .NOT. forward )
	316	s apdiss = .TRUE.
[1529]	317	IF( MOD(itau+1,iphysiq).EQ.0.AND.physic ) apphys=.TRUE.
[524]	318	END IF
	319
[1403]	320	! Ehouarn: for Shallow Water case (ie: 1 vertical layer),
	321	! supress dissipation step
	322	if (llm.eq.1) then
	323	apdiss=.false.
	324	endif
	325
[2298]	326
	327	if (ok_iso_verif) then
	328	call check_isotopes_seq(q,ip1jmp1,'leapfrog 589')
	329	endif !if (ok_iso_verif) then
	330
[524]	331	c-----------------------------------------------------------------------
	332	c calcul des tendances dynamiques:
	333	c --------------------------------
	334
[1665]	335	! compute geopotential phi()
[524]	336	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
	337
[1279]	338	time = jD_cur + jH_cur
[524]	339	CALL caldyn
	340	$ ( itau,ucov,vcov,teta,ps,masse,pk,pkf,phis ,
[1279]	341	$ phi,conser,du,dv,dteta,dp,w, pbaru,pbarv, time )
[524]	342
[1279]	343
[524]	344	c-----------------------------------------------------------------------
	345	c calcul des tendances advection des traceurs (dont l'humidite)
	346	c -------------------------------------------------------------
	347
[2298]	348	if (ok_iso_verif) then
	349	call check_isotopes_seq(q,ip1jmp1,
	350	& 'leapfrog 686: avant caladvtrac')
	351	endif !if (ok_iso_verif) then
	352
[524]	353	IF( forward. OR . leapf ) THEN
[1999]	354	! Ehouarn: NB: fields sent to advtrac are those at the beginning of the time step
[960]	355	CALL caladvtrac(q,pbaru,pbarv,
	356	* p, masse, dq, teta,
	357	. flxw, pk)
[2298]	358	!write(,) 'caladvtrac 346'
	359
[960]	360
[524]	361	IF (offline) THEN
	362	Cmaf stokage du flux de masse pour traceurs OFF-LINE
	363
	364	#ifdef CPP_IOIPSL
[541]	365	CALL fluxstokenc(pbaru,pbarv,masse,teta,phi,phis,
	366	. dtvr, itau)
[524]	367	#endif
	368
	369
[1146]	370	ENDIF ! of IF (offline)
[524]	371	c
[1146]	372	ENDIF ! of IF( forward. OR . leapf )
[524]	373
	374
	375	c-----------------------------------------------------------------------
	376	c integrations dynamique et traceurs:
	377	c ----------------------------------
	378
[2298]	379	if (ok_iso_verif) then
	380	write(,) 'leapfrog 720'
	381	call check_isotopes_seq(q,ip1jmp1,'leapfrog 756')
	382	endif !if (ok_iso_verif) then
	383
	384	CALL integrd ( nqtot,vcovm1,ucovm1,tetam1,psm1,massem1 ,
[1665]	385	$ dv,du,dteta,dq,dp,vcov,ucov,teta,q,ps,masse,phis )
	386	! $ finvmaold )
[524]	387
[2298]	388	if (ok_iso_verif) then
	389	write(,) 'leapfrog 724'
	390	call check_isotopes_seq(q,ip1jmp1,'leapfrog 762')
	391	endif !if (ok_iso_verif) then
[524]	392
	393	c .P.Le Van (26/04/94 ajout de finvpold dans l'appel d'integrd)
	394	c
	395	c-----------------------------------------------------------------------
	396	c calcul des tendances physiques:
	397	c -------------------------------
	398	c ######## P.Le Van ( Modif le 6/02/95 ) ###########
	399	c
	400	IF( purmats ) THEN
	401	IF( itau.EQ.itaufin.AND..NOT.forward ) lafin = .TRUE.
	402	ELSE
	403	IF( itau+1. EQ. itaufin ) lafin = .TRUE.
	404	ENDIF
	405	c
	406	c
	407	IF( apphys ) THEN
	408	c
	409	c ....... Ajout P.Le Van ( 17/04/96 ) ...........
	410	c
	411
	412	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1665]	413	if (pressure_exner) then
[2056]	414	CALL exner_hyb( ip1jmp1, ps, p,pks, pk, pkf )
[1665]	415	else
[2056]	416	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	417	endif
[524]	418
[2056]	419	! Appel a geopot ajoute le 2014/05/08 pour garantir la convergence numerique
	420	! avec dyn3dmem
	421	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
	422
[1279]	423	! rdaym_ini = itau * dtvr / daysec
	424	! rdayvrai = rdaym_ini + day_ini
[1665]	425	! jD_cur = jD_ref + day_ini - day_ref
	426	! $ + int (itau * dtvr / daysec)
	427	! jH_cur = jH_ref + &
	428	! & (itau * dtvr / daysec - int(itau * dtvr / daysec))
	429	jD_cur = jD_ref + day_ini - day_ref + &
[2408]	430	& (itau+1)/day_step
[1707]	431
	432	IF (planet_type .eq."generic") THEN
	433	! AS: we make jD_cur to be pday
	434	jD_cur = int(day_ini + itau/day_step)
	435	ENDIF
	436
[1665]	437	jH_cur = jH_ref + start_time + &
[2408]	438	& mod(itau+1,day_step)/float(day_step)
[1665]	439	jD_cur = jD_cur + int(jH_cur)
	440	jH_cur = jH_cur - int(jH_cur)
[1279]	441	! write(lunout,*)'itau, jD_cur = ', itau, jD_cur, jH_cur
	442	! call ju2ymds(jD_cur+jH_cur, an, mois, jour, secondes)
	443	! write(lunout,*)'current date = ',an, mois, jour, secondes
[524]	444
	445	c rajout debug
	446	c lafin = .true.
	447
	448
	449	c Inbterface avec les routines de phylmd (phymars ... )
	450	c -----------------------------------------------------
	451
	452	c+jld
	453
	454	c Diagnostique de conservation de l'énergie : initialisation
[1146]	455	IF (ip_ebil_dyn.ge.1 ) THEN
[524]	456	ztit='bil dyn'
[2408]	457	! Ehouarn: be careful, diagedyn is Earth-specific!
[1146]	458	IF (planet_type.eq."earth") THEN
	459	CALL diagedyn(ztit,2,1,1,dtphys
	460	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
	461	ENDIF
	462	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
[524]	463	c-jld
[1146]	464	#ifdef CPP_IOIPSL
[1669]	465	cIM decommenter les 6 lignes suivantes pour sortir quelques parametres dynamiques de LMDZ
	466	cIM uncomment next 6 lines to get some parameters for LMDZ dynamics
	467	c IF (first) THEN
	468	c first=.false.
	469	c#include "ini_paramLMDZ_dyn.h"
	470	c ENDIF
[692]	471	c
[1669]	472	c#include "write_paramLMDZ_dyn.h"
[692]	473	c
[1146]	474	#endif
	475	! #endif of #ifdef CPP_IOIPSL
[2298]	476	#ifdef CPP_PHYS
[1279]	477	CALL calfis( lafin , jD_cur, jH_cur,
[524]	478	$ ucov,vcov,teta,q,masse,ps,p,pk,phis,phi ,
[960]	479	$ du,dv,dteta,dq,
[2258]	480	$ flxw,dufi,dvfi,dtetafi,dqfi,dpfi )
[2298]	481	#endif
[524]	482	c ajout des tendances physiques:
	483	c ------------------------------
[1146]	484	CALL addfi( dtphys, leapf, forward ,
[524]	485	$ ucov, vcov, teta , q ,ps ,
	486	$ dufi, dvfi, dtetafi , dqfi ,dpfi )
[1999]	487	! since addfi updates ps(), also update p(), masse() and pk()
	488	CALL pression (ip1jmp1,ap,bp,ps,p)
	489	CALL massdair(p,masse)
	490	if (pressure_exner) then
[2056]	491	CALL exner_hyb(ip1jmp1,ps,p,pks,pk,pkf)
[1999]	492	else
[2056]	493	CALL exner_milieu(ip1jmp1,ps,p,pks,pk,pkf)
[1999]	494	endif
[1795]	495
	496	IF (ok_strato) THEN
	497	CALL top_bound( vcov,ucov,teta,masse,dtphys)
	498	ENDIF
	499
[524]	500	c
	501	c Diagnostique de conservation de l'énergie : difference
[1146]	502	IF (ip_ebil_dyn.ge.1 ) THEN
[524]	503	ztit='bil phys'
[1146]	504	IF (planet_type.eq."earth") THEN
	505	CALL diagedyn(ztit,2,1,1,dtphys
	506	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
	507	ENDIF
	508	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
	509
[1060]	510	ENDIF ! of IF( apphys )
[524]	511
[1146]	512	IF(iflag_phys.EQ.2) THEN ! "Newtonian" case
[1454]	513	! Academic case : Simple friction and Newtonan relaxation
	514	! -------------------------------------------------------
	515	DO l=1,llm
	516	DO ij=1,ip1jmp1
	517	teta(ij,l)=teta(ij,l)-dtvr*
	518	& (teta(ij,l)-tetarappel(ij,l))(knewt_g+knewt_t(l)clat4(ij))
	519	ENDDO
	520	ENDDO ! of DO l=1,llm
	521
[1505]	522	if (planet_type.eq."giant") then
	523	! add an intrinsic heat flux at the base of the atmosphere
	524	teta(:,1)=teta(:,1)+dtvraire(:)ihf/cpp/masse(:,1)
	525	endif
	526
	527	call friction(ucov,vcov,dtvr)
	528
[1454]	529	! Sponge layer (if any)
	530	IF (ok_strato) THEN
[1795]	531	! dufi(:,:)=0.
	532	! dvfi(:,:)=0.
	533	! dtetafi(:,:)=0.
	534	! dqfi(:,:,:)=0.
	535	! dpfi(:)=0.
	536	! CALL top_bound(vcov,ucov,teta,masse,dufi,dvfi,dtetafi)
	537	CALL top_bound( vcov,ucov,teta,masse,dtvr)
	538	! CALL addfi( dtvr, leapf, forward ,
	539	! $ ucov, vcov, teta , q ,ps ,
	540	! $ dufi, dvfi, dtetafi , dqfi ,dpfi )
[1454]	541	ENDIF ! of IF (ok_strato)
	542	ENDIF ! of IF (iflag_phys.EQ.2)
[524]	543
	544
	545	c-jld
	546
	547	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1665]	548	if (pressure_exner) then
[2056]	549	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
[1665]	550	else
[2056]	551	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	552	endif
[1999]	553	CALL massdair(p,masse)
[524]	554
[2298]	555	if (ok_iso_verif) then
	556	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1196')
	557	endif !if (ok_iso_verif) then
[524]	558
	559	c-----------------------------------------------------------------------
	560	c dissipation horizontale et verticale des petites echelles:
	561	c ----------------------------------------------------------
	562
	563	IF(apdiss) THEN
	564
	565
	566	c calcul de l'energie cinetique avant dissipation
	567	call covcont(llm,ucov,vcov,ucont,vcont)
	568	call enercin(vcov,ucov,vcont,ucont,ecin0)
	569
	570	c dissipation
	571	CALL dissip(vcov,ucov,teta,p,dvdis,dudis,dtetadis)
	572	ucov=ucov+dudis
	573	vcov=vcov+dvdis
	574	c teta=teta+dtetadis
	575
	576
	577	c------------------------------------------------------------------------
	578	if (dissip_conservative) then
	579	C On rajoute la tendance due a la transform. Ec -> E therm. cree
	580	C lors de la dissipation
	581	call covcont(llm,ucov,vcov,ucont,vcont)
	582	call enercin(vcov,ucov,vcont,ucont,ecin)
	583	dtetaecdt= (ecin0-ecin)/ pk
	584	c teta=teta+dtetaecdt
	585	dtetadis=dtetadis+dtetaecdt
	586	endif
	587	teta=teta+dtetadis
	588	c------------------------------------------------------------------------
	589
	590
	591	c ....... P. Le Van ( ajout le 17/04/96 ) ...........
	592	c ... Calcul de la valeur moyenne, unique de h aux poles .....
	593	c
	594
	595	DO l = 1, llm
	596	DO ij = 1,iim
	597	tppn(ij) = aire( ij ) * teta( ij ,l)
	598	tpps(ij) = aire(ij+ip1jm) * teta(ij+ip1jm,l)
	599	ENDDO
	600	tpn = SSUM(iim,tppn,1)/apoln
	601	tps = SSUM(iim,tpps,1)/apols
	602
	603	DO ij = 1, iip1
	604	teta( ij ,l) = tpn
	605	teta(ij+ip1jm,l) = tps
	606	ENDDO
	607	ENDDO
	608
[1665]	609	if (1 == 0) then
	610	!!! Ehouarn: lines here 1) kill 1+1=2 in the dynamics
	611	!!! 2) should probably not be here anyway
	612	!!! but are kept for those who would want to revert to previous behaviour
	613	DO ij = 1,iim
	614	tppn(ij) = aire( ij ) * ps ( ij )
	615	tpps(ij) = aire(ij+ip1jm) * ps (ij+ip1jm)
	616	ENDDO
	617	tpn = SSUM(iim,tppn,1)/apoln
	618	tps = SSUM(iim,tpps,1)/apols
[524]	619
[1665]	620	DO ij = 1, iip1
	621	ps( ij ) = tpn
	622	ps(ij+ip1jm) = tps
	623	ENDDO
	624	endif ! of if (1 == 0)
[524]	625
[1146]	626	END IF ! of IF(apdiss)
[524]	627
	628	c ajout debug
	629	c IF( lafin ) then
	630	c abort_message = 'Simulation finished'
	631	c call abort_gcm(modname,abort_message,0)
	632	c ENDIF
	633
	634	c ********************************************************************
	635	c ********************************************************************
	636	c .... fin de l'integration dynamique et physique pour le pas itau ..
	637	c ********************************************************************
	638	c ********************************************************************
	639
	640	c preparation du pas d'integration suivant ......
	641
[2298]	642	if (ok_iso_verif) then
	643	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1509')
	644	endif !if (ok_iso_verif) then
	645
[524]	646	IF ( .NOT.purmats ) THEN
	647	c ........................................................
	648	c .............. schema matsuno + leapfrog ..............
	649	c ........................................................
	650
	651	IF(forward. OR. leapf) THEN
	652	itau= itau + 1
[1403]	653	c iday= day_ini+itau/day_step
	654	c time= REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
	655	c IF(time.GT.1.) THEN
	656	c time = time-1.
	657	c iday = iday+1
	658	c ENDIF
[524]	659	ENDIF
	660
	661
	662	IF( itau. EQ. itaufinp1 ) then
[999]	663	if (flag_verif) then
[1279]	664	write(79,*) 'ucov',ucov
	665	write(80,*) 'vcov',vcov
	666	write(81,*) 'teta',teta
	667	write(82,*) 'ps',ps
	668	write(83,*) 'q',q
[999]	669	WRITE(85,*) 'q1 = ',q(:,:,1)
	670	WRITE(86,*) 'q3 = ',q(:,:,3)
	671	endif
[524]	672
	673	abort_message = 'Simulation finished'
	674
	675	call abort_gcm(modname,abort_message,0)
	676	ENDIF
	677	c-----------------------------------------------------------------------
	678	c ecriture du fichier histoire moyenne:
	679	c -------------------------------------
	680
	681	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
	682	IF(itau.EQ.itaufin) THEN
	683	iav=1
	684	ELSE
	685	iav=0
	686	ENDIF
[1146]	687
[2488]	688	! ! Ehouarn: re-compute geopotential for outputs
	689	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	690
[1146]	691	IF (ok_dynzon) THEN
[524]	692	#ifdef CPP_IOIPSL
[1403]	693	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
	694	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
[524]	695	#endif
[1146]	696	END IF
[1403]	697	IF (ok_dyn_ave) THEN
	698	#ifdef CPP_IOIPSL
	699	CALL writedynav(itau,vcov,
	700	& ucov,teta,pk,phi,q,masse,ps,phis)
	701	#endif
	702	ENDIF
[524]	703
[1403]	704	ENDIF ! of IF((MOD(itau,iperiod).EQ.0).OR.(itau.EQ.itaufin))
[524]	705
[2298]	706	if (ok_iso_verif) then
	707	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1584')
	708	endif !if (ok_iso_verif) then
	709
[524]	710	c-----------------------------------------------------------------------
	711	c ecriture de la bande histoire:
	712	c ------------------------------
	713
[1403]	714	IF( MOD(itau,iecri).EQ.0) THEN
	715	! Ehouarn: output only during LF or Backward Matsuno
	716	if (leapf.or.(.not.leapf.and.(.not.forward))) then
[1146]	717	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	718	unat=0.
	719	do l=1,llm
	720	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
	721	vnat(:,l)=vcov(:,l)/cv(:)
	722	enddo
[524]	723	#ifdef CPP_IOIPSL
[1403]	724	if (ok_dyn_ins) then
	725	! write(lunout,*) "leapfrog: call writehist, itau=",itau
	726	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
	727	! call WriteField('ucov',reshape(ucov,(/iip1,jmp1,llm/)))
	728	! call WriteField('vcov',reshape(vcov,(/iip1,jjm,llm/)))
	729	! call WriteField('teta',reshape(teta,(/iip1,jmp1,llm/)))
	730	! call WriteField('ps',reshape(ps,(/iip1,jmp1/)))
	731	! call WriteField('masse',reshape(masse,(/iip1,jmp1,llm/)))
	732	endif ! of if (ok_dyn_ins)
[1146]	733	#endif
	734	! For some Grads outputs of fields
[1403]	735	if (output_grads_dyn) then
[524]	736	#include "write_grads_dyn.h"
[1403]	737	endif
	738	endif ! of if (leapf.or.(.not.leapf.and.(.not.forward)))
[1146]	739	ENDIF ! of IF(MOD(itau,iecri).EQ.0)
[524]	740
	741	IF(itau.EQ.itaufin) THEN
	742
	743
[1454]	744	! if (planet_type.eq."earth") then
[1146]	745	! Write an Earth-format restart file
[1665]	746	CALL dynredem1("restart.nc",start_time,
[1146]	747	& vcov,ucov,teta,q,masse,ps)
[1454]	748	! endif ! of if (planet_type.eq."earth")
[524]	749
	750	CLOSE(99)
[1665]	751	!!! Ehouarn: Why not stop here and now?
[1146]	752	ENDIF ! of IF (itau.EQ.itaufin)
[524]	753
	754	c-----------------------------------------------------------------------
	755	c gestion de l'integration temporelle:
	756	c ------------------------------------
	757
	758	IF( MOD(itau,iperiod).EQ.0 ) THEN
	759	GO TO 1
	760	ELSE IF ( MOD(itau-1,iperiod). EQ. 0 ) THEN
	761
	762	IF( forward ) THEN
	763	c fin du pas forward et debut du pas backward
	764
	765	forward = .FALSE.
	766	leapf = .FALSE.
	767	GO TO 2
	768
	769	ELSE
	770	c fin du pas backward et debut du premier pas leapfrog
	771
	772	leapf = .TRUE.
	773	dt = 2.*dtvr
[1146]	774	GO TO 2
	775	END IF ! of IF (forward)
[524]	776	ELSE
	777
	778	c ...... pas leapfrog .....
	779
	780	leapf = .TRUE.
	781	dt = 2.*dtvr
	782	GO TO 2
[1146]	783	END IF ! of IF (MOD(itau,iperiod).EQ.0)
	784	! ELSEIF (MOD(itau-1,iperiod).EQ.0)
[524]	785
[1146]	786	ELSE ! of IF (.not.purmats)
[524]	787
[2298]	788	if (ok_iso_verif) then
	789	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1664')
	790	endif !if (ok_iso_verif) then
	791
[524]	792	c ........................................................
	793	c .............. schema matsuno ...............
	794	c ........................................................
	795	IF( forward ) THEN
	796
	797	itau = itau + 1
[1403]	798	c iday = day_ini+itau/day_step
	799	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
	800	c
	801	c IF(time.GT.1.) THEN
	802	c time = time-1.
	803	c iday = iday+1
	804	c ENDIF
[524]	805
	806	forward = .FALSE.
	807	IF( itau. EQ. itaufinp1 ) then
	808	abort_message = 'Simulation finished'
	809	call abort_gcm(modname,abort_message,0)
	810	ENDIF
	811	GO TO 2
	812
[1403]	813	ELSE ! of IF(forward) i.e. backward step
[2298]	814
	815	if (ok_iso_verif) then
	816	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1698')
	817	endif !if (ok_iso_verif) then
[524]	818
[1146]	819	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
[524]	820	IF(itau.EQ.itaufin) THEN
	821	iav=1
	822	ELSE
	823	iav=0
	824	ENDIF
[1146]	825
[2488]	826	! ! Ehouarn: re-compute geopotential for outputs
	827	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	828
[1146]	829	IF (ok_dynzon) THEN
[524]	830	#ifdef CPP_IOIPSL
[1403]	831	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
	832	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
[524]	833	#endif
[1403]	834	ENDIF
	835	IF (ok_dyn_ave) THEN
	836	#ifdef CPP_IOIPSL
	837	CALL writedynav(itau,vcov,
	838	& ucov,teta,pk,phi,q,masse,ps,phis)
	839	#endif
	840	ENDIF
[524]	841
[1146]	842	ENDIF ! of IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin)
[524]	843
[1146]	844	IF(MOD(itau,iecri ).EQ.0) THEN
[524]	845	c IF(MOD(itau,iecri*day_step).EQ.0) THEN
[1146]	846	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	847	unat=0.
	848	do l=1,llm
	849	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
	850	vnat(:,l)=vcov(:,l)/cv(:)
	851	enddo
[524]	852	#ifdef CPP_IOIPSL
[1403]	853	if (ok_dyn_ins) then
	854	! write(lunout,*) "leapfrog: call writehist (b)",
	855	! & itau,iecri
	856	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
	857	endif ! of if (ok_dyn_ins)
[1146]	858	#endif
	859	! For some Grads outputs
	860	if (output_grads_dyn) then
[524]	861	#include "write_grads_dyn.h"
[1146]	862	endif
[524]	863
[1146]	864	ENDIF ! of IF(MOD(itau,iecri ).EQ.0)
[524]	865
[1146]	866	IF(itau.EQ.itaufin) THEN
[1454]	867	! if (planet_type.eq."earth") then
[1665]	868	CALL dynredem1("restart.nc",start_time,
[1146]	869	& vcov,ucov,teta,q,masse,ps)
[1454]	870	! endif ! of if (planet_type.eq."earth")
[1146]	871	ENDIF ! of IF(itau.EQ.itaufin)
[524]	872
[1146]	873	forward = .TRUE.
	874	GO TO 1
[524]	875
[1146]	876	ENDIF ! of IF (forward)
[524]	877
[1146]	878	END IF ! of IF(.not.purmats)
[524]	879
	880	STOP
	881	END

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