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leapfrog.F @ 2303

Last change on this file since 2303 was 2302, checked in by Ehouarn Millour, 9 years ago
Move etat0phys_netcdf.F90 to "dynlonlat_phylonlat/phylmd" as it relies on "phylmd" routines. Some cleanup to remove obsolete and unecessary CPP_EARTH preprocessing condition. EM
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: 27.7 KB

Rev	Line
[524]	1	!
[1279]	2	! $Id: leapfrog.F 2302 2015-06-17 12:46:36Z jescribano $
	3	!
[524]	4	c
	5	c
[2221]	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
[2270]	13	USE infotrac, ONLY: nqtot,ok_iso_verif
[1279]	14	USE guide_mod, ONLY : guide_main
[1987]	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
[2021]	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
[1987]	71	REAL,INTENT(IN) :: time_0 ! not used
[524]	72
[1987]	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
[1616]	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
[2038]	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 )
[1625]	218	if (pressure_exner) then
[2021]	219	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
[1625]	220	else
[2021]	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
[1614]	228	1 CONTINUE ! Matsuno Forward step begins here
[524]	229
[1577]	230	jD_cur = jD_ref + day_ini - day_ref + &
[1626]	231	& itau/day_step
[1577]	232	jH_cur = jH_ref + start_time + &
[1626]	233	& mod(itau,day_step)/float(day_step)
[1577]	234	jD_cur = jD_cur + int(jH_cur)
	235	jH_cur = jH_cur - int(jH_cur)
[524]	236
[2270]	237	if (ok_iso_verif) then
	238	call check_isotopes_seq(q,ip1jmp1,'leapfrog 321')
	239	endif !if (ok_iso_verif) then
[1279]	240
[524]	241	#ifdef CPP_IOIPSL
[1279]	242	if (ok_guide) then
	243	call guide_main(itau,ucov,vcov,teta,q,masse,ps)
[524]	244	endif
	245	#endif
[1279]	246
	247
[524]	248	c
	249	c IF( MOD( itau, 10* day_step ).EQ.0 ) THEN
	250	c CALL test_period ( ucov,vcov,teta,q,p,phis )
	251	c PRINT *,' ---- Test_period apres continue OK ! -----', itau
	252	c ENDIF
	253	c
[1146]	254
	255	! Save fields obtained at previous time step as '...m1'
[524]	256	CALL SCOPY( ijmllm ,vcov , 1, vcovm1 , 1 )
	257	CALL SCOPY( ijp1llm,ucov , 1, ucovm1 , 1 )
	258	CALL SCOPY( ijp1llm,teta , 1, tetam1 , 1 )
	259	CALL SCOPY( ijp1llm,masse, 1, massem1, 1 )
	260	CALL SCOPY( ip1jmp1, ps , 1, psm1 , 1 )
	261
	262	forward = .TRUE.
	263	leapf = .FALSE.
	264	dt = dtvr
	265
	266	c ... P.Le Van .26/04/94 ....
[1616]	267	! Ehouarn: finvmaold is actually not used
	268	! CALL SCOPY ( ijp1llm, masse, 1, finvmaold, 1 )
	269	! CALL filtreg ( finvmaold ,jjp1, llm, -2,2, .TRUE., 1 )
[524]	270
[2270]	271	if (ok_iso_verif) then
	272	call check_isotopes_seq(q,ip1jmp1,'leapfrog 400')
	273	endif !if (ok_iso_verif) then
	274
[1614]	275	2 CONTINUE ! Matsuno backward or leapfrog step begins here
[524]	276
	277	c-----------------------------------------------------------------------
	278
	279	c date:
	280	c -----
	281
	282
	283	c gestion des appels de la physique et des dissipations:
	284	c ------------------------------------------------------
	285	c
	286	c ... P.Le Van ( 6/02/95 ) ....
	287
	288	apphys = .FALSE.
	289	statcl = .FALSE.
	290	conser = .FALSE.
	291	apdiss = .FALSE.
	292
	293	IF( purmats ) THEN
[1403]	294	! Purely Matsuno time stepping
[524]	295	IF( MOD(itau,iconser) .EQ.0.AND. forward ) conser = .TRUE.
[1502]	296	IF( MOD(itau,dissip_period ).EQ.0.AND..NOT.forward )
	297	s apdiss = .TRUE.
[524]	298	IF( MOD(itau,iphysiq ).EQ.0.AND..NOT.forward
[1529]	299	s .and. physic ) apphys = .TRUE.
[524]	300	ELSE
[1403]	301	! Leapfrog/Matsuno time stepping
[524]	302	IF( MOD(itau ,iconser) .EQ. 0 ) conser = .TRUE.
[1502]	303	IF( MOD(itau+1,dissip_period).EQ.0 .AND. .NOT. forward )
	304	s apdiss = .TRUE.
[1529]	305	IF( MOD(itau+1,iphysiq).EQ.0.AND.physic ) apphys=.TRUE.
[524]	306	END IF
	307
[1403]	308	! Ehouarn: for Shallow Water case (ie: 1 vertical layer),
	309	! supress dissipation step
	310	if (llm.eq.1) then
	311	apdiss=.false.
	312	endif
	313
[2270]	314
	315	if (ok_iso_verif) then
	316	call check_isotopes_seq(q,ip1jmp1,'leapfrog 589')
	317	endif !if (ok_iso_verif) then
	318
[524]	319	c-----------------------------------------------------------------------
	320	c calcul des tendances dynamiques:
	321	c --------------------------------
	322
[1614]	323	! compute geopotential phi()
[524]	324	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
	325
[1279]	326	time = jD_cur + jH_cur
[524]	327	CALL caldyn
	328	$ ( itau,ucov,vcov,teta,ps,masse,pk,pkf,phis ,
[1279]	329	$ phi,conser,du,dv,dteta,dp,w, pbaru,pbarv, time )
[524]	330
[1279]	331
[524]	332	c-----------------------------------------------------------------------
	333	c calcul des tendances advection des traceurs (dont l'humidite)
	334	c -------------------------------------------------------------
	335
[2270]	336	if (ok_iso_verif) then
	337	call check_isotopes_seq(q,ip1jmp1,
	338	& 'leapfrog 686: avant caladvtrac')
	339	endif !if (ok_iso_verif) then
	340
[524]	341	IF( forward. OR . leapf ) THEN
[1987]	342	! Ehouarn: NB: fields sent to advtrac are those at the beginning of the time step
[960]	343	CALL caladvtrac(q,pbaru,pbarv,
	344	* p, masse, dq, teta,
	345	. flxw, pk)
[2286]	346	!write(,) 'caladvtrac 346'
[2270]	347
[960]	348
[524]	349	IF (offline) THEN
	350	Cmaf stokage du flux de masse pour traceurs OFF-LINE
	351
	352	#ifdef CPP_IOIPSL
[541]	353	CALL fluxstokenc(pbaru,pbarv,masse,teta,phi,phis,
	354	. dtvr, itau)
[524]	355	#endif
	356
	357
[1146]	358	ENDIF ! of IF (offline)
[524]	359	c
[1146]	360	ENDIF ! of IF( forward. OR . leapf )
[524]	361
	362
	363	c-----------------------------------------------------------------------
	364	c integrations dynamique et traceurs:
	365	c ----------------------------------
	366
[2270]	367	if (ok_iso_verif) then
	368	write(,) 'leapfrog 720'
	369	call check_isotopes_seq(q,ip1jmp1,'leapfrog 756')
	370	endif !if (ok_iso_verif) then
	371
	372	CALL integrd ( nqtot,vcovm1,ucovm1,tetam1,psm1,massem1 ,
[1616]	373	$ dv,du,dteta,dq,dp,vcov,ucov,teta,q,ps,masse,phis )
	374	! $ finvmaold )
[524]	375
[2270]	376	if (ok_iso_verif) then
	377	write(,) 'leapfrog 724'
	378	call check_isotopes_seq(q,ip1jmp1,'leapfrog 762')
	379	endif !if (ok_iso_verif) then
[524]	380
	381	c .P.Le Van (26/04/94 ajout de finvpold dans l'appel d'integrd)
	382	c
	383	c-----------------------------------------------------------------------
	384	c calcul des tendances physiques:
	385	c -------------------------------
	386	c ######## P.Le Van ( Modif le 6/02/95 ) ###########
	387	c
	388	IF( purmats ) THEN
	389	IF( itau.EQ.itaufin.AND..NOT.forward ) lafin = .TRUE.
	390	ELSE
	391	IF( itau+1. EQ. itaufin ) lafin = .TRUE.
	392	ENDIF
	393	c
	394	c
	395	IF( apphys ) THEN
	396	c
	397	c ....... Ajout P.Le Van ( 17/04/96 ) ...........
	398	c
	399
	400	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1625]	401	if (pressure_exner) then
[2021]	402	CALL exner_hyb( ip1jmp1, ps, p,pks, pk, pkf )
[1625]	403	else
[2021]	404	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	405	endif
[524]	406
[2039]	407	! Appel a geopot ajoute le 2014/05/08 pour garantir la convergence numerique
	408	! avec dyn3dmem
	409	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
	410
[1279]	411	! rdaym_ini = itau * dtvr / daysec
	412	! rdayvrai = rdaym_ini + day_ini
[1577]	413	! jD_cur = jD_ref + day_ini - day_ref
	414	! $ + int (itau * dtvr / daysec)
	415	! jH_cur = jH_ref + &
	416	! & (itau * dtvr / daysec - int(itau * dtvr / daysec))
	417	jD_cur = jD_ref + day_ini - day_ref + &
[1626]	418	& itau/day_step
[1676]	419
	420	IF (planet_type .eq."generic") THEN
	421	! AS: we make jD_cur to be pday
	422	jD_cur = int(day_ini + itau/day_step)
	423	ENDIF
	424
[1577]	425	jH_cur = jH_ref + start_time + &
[1626]	426	& mod(itau,day_step)/float(day_step)
[1577]	427	jD_cur = jD_cur + int(jH_cur)
	428	jH_cur = jH_cur - int(jH_cur)
[1279]	429	! write(lunout,*)'itau, jD_cur = ', itau, jD_cur, jH_cur
	430	! call ju2ymds(jD_cur+jH_cur, an, mois, jour, secondes)
	431	! write(lunout,*)'current date = ',an, mois, jour, secondes
[524]	432
	433	c rajout debug
	434	c lafin = .true.
	435
	436
	437	c Inbterface avec les routines de phylmd (phymars ... )
	438	c -----------------------------------------------------
	439
	440	c+jld
	441
	442	c Diagnostique de conservation de l'énergie : initialisation
[1146]	443	IF (ip_ebil_dyn.ge.1 ) THEN
[524]	444	ztit='bil dyn'
[2302]	445	! Ehouarn: be careful, diagedyn is Earth-specific!
[1146]	446	IF (planet_type.eq."earth") THEN
	447	CALL diagedyn(ztit,2,1,1,dtphys
	448	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
	449	ENDIF
	450	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
[524]	451	c-jld
[1146]	452	#ifdef CPP_IOIPSL
[1656]	453	cIM decommenter les 6 lignes suivantes pour sortir quelques parametres dynamiques de LMDZ
	454	cIM uncomment next 6 lines to get some parameters for LMDZ dynamics
	455	c IF (first) THEN
	456	c first=.false.
	457	c#include "ini_paramLMDZ_dyn.h"
	458	c ENDIF
[692]	459	c
[1656]	460	c#include "write_paramLMDZ_dyn.h"
[692]	461	c
[1146]	462	#endif
	463	! #endif of #ifdef CPP_IOIPSL
[2239]	464	#ifdef CPP_PHYS
[1279]	465	CALL calfis( lafin , jD_cur, jH_cur,
[524]	466	$ ucov,vcov,teta,q,masse,ps,p,pk,phis,phi ,
[960]	467	$ du,dv,dteta,dq,
[2221]	468	$ flxw,dufi,dvfi,dtetafi,dqfi,dpfi )
[2239]	469	#endif
[524]	470	c ajout des tendances physiques:
	471	c ------------------------------
[1146]	472	CALL addfi( dtphys, leapf, forward ,
[524]	473	$ ucov, vcov, teta , q ,ps ,
	474	$ dufi, dvfi, dtetafi , dqfi ,dpfi )
[1987]	475	! since addfi updates ps(), also update p(), masse() and pk()
	476	CALL pression (ip1jmp1,ap,bp,ps,p)
	477	CALL massdair(p,masse)
	478	if (pressure_exner) then
[2021]	479	CALL exner_hyb(ip1jmp1,ps,p,pks,pk,pkf)
[1987]	480	else
[2021]	481	CALL exner_milieu(ip1jmp1,ps,p,pks,pk,pkf)
[1987]	482	endif
[1793]	483
	484	IF (ok_strato) THEN
	485	CALL top_bound( vcov,ucov,teta,masse,dtphys)
	486	ENDIF
	487
[524]	488	c
	489	c Diagnostique de conservation de l'énergie : difference
[1146]	490	IF (ip_ebil_dyn.ge.1 ) THEN
[524]	491	ztit='bil phys'
[1146]	492	IF (planet_type.eq."earth") THEN
	493	CALL diagedyn(ztit,2,1,1,dtphys
	494	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
	495	ENDIF
	496	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
	497
[1060]	498	ENDIF ! of IF( apphys )
[524]	499
[1146]	500	IF(iflag_phys.EQ.2) THEN ! "Newtonian" case
[1454]	501	! Academic case : Simple friction and Newtonan relaxation
	502	! -------------------------------------------------------
	503	DO l=1,llm
	504	DO ij=1,ip1jmp1
	505	teta(ij,l)=teta(ij,l)-dtvr*
	506	& (teta(ij,l)-tetarappel(ij,l))(knewt_g+knewt_t(l)clat4(ij))
	507	ENDDO
	508	ENDDO ! of DO l=1,llm
	509
[1505]	510	if (planet_type.eq."giant") then
	511	! add an intrinsic heat flux at the base of the atmosphere
	512	teta(:,1)=teta(:,1)+dtvraire(:)ihf/cpp/masse(:,1)
	513	endif
	514
	515	call friction(ucov,vcov,dtvr)
	516
[1454]	517	! Sponge layer (if any)
	518	IF (ok_strato) THEN
[1793]	519	! dufi(:,:)=0.
	520	! dvfi(:,:)=0.
	521	! dtetafi(:,:)=0.
	522	! dqfi(:,:,:)=0.
	523	! dpfi(:)=0.
	524	! CALL top_bound(vcov,ucov,teta,masse,dufi,dvfi,dtetafi)
	525	CALL top_bound( vcov,ucov,teta,masse,dtvr)
	526	! CALL addfi( dtvr, leapf, forward ,
	527	! $ ucov, vcov, teta , q ,ps ,
	528	! $ dufi, dvfi, dtetafi , dqfi ,dpfi )
[1454]	529	ENDIF ! of IF (ok_strato)
	530	ENDIF ! of IF (iflag_phys.EQ.2)
[524]	531
	532
	533	c-jld
	534
	535	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1625]	536	if (pressure_exner) then
[2021]	537	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
[1625]	538	else
[2021]	539	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	540	endif
[1987]	541	CALL massdair(p,masse)
[524]	542
[2270]	543	if (ok_iso_verif) then
	544	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1196')
	545	endif !if (ok_iso_verif) then
[524]	546
	547	c-----------------------------------------------------------------------
	548	c dissipation horizontale et verticale des petites echelles:
	549	c ----------------------------------------------------------
	550
	551	IF(apdiss) THEN
	552
	553
	554	c calcul de l'energie cinetique avant dissipation
	555	call covcont(llm,ucov,vcov,ucont,vcont)
	556	call enercin(vcov,ucov,vcont,ucont,ecin0)
	557
	558	c dissipation
	559	CALL dissip(vcov,ucov,teta,p,dvdis,dudis,dtetadis)
	560	ucov=ucov+dudis
	561	vcov=vcov+dvdis
	562	c teta=teta+dtetadis
	563
	564
	565	c------------------------------------------------------------------------
	566	if (dissip_conservative) then
	567	C On rajoute la tendance due a la transform. Ec -> E therm. cree
	568	C lors de la dissipation
	569	call covcont(llm,ucov,vcov,ucont,vcont)
	570	call enercin(vcov,ucov,vcont,ucont,ecin)
	571	dtetaecdt= (ecin0-ecin)/ pk
	572	c teta=teta+dtetaecdt
	573	dtetadis=dtetadis+dtetaecdt
	574	endif
	575	teta=teta+dtetadis
	576	c------------------------------------------------------------------------
	577
	578
	579	c ....... P. Le Van ( ajout le 17/04/96 ) ...........
	580	c ... Calcul de la valeur moyenne, unique de h aux poles .....
	581	c
	582
	583	DO l = 1, llm
	584	DO ij = 1,iim
	585	tppn(ij) = aire( ij ) * teta( ij ,l)
	586	tpps(ij) = aire(ij+ip1jm) * teta(ij+ip1jm,l)
	587	ENDDO
	588	tpn = SSUM(iim,tppn,1)/apoln
	589	tps = SSUM(iim,tpps,1)/apols
	590
	591	DO ij = 1, iip1
	592	teta( ij ,l) = tpn
	593	teta(ij+ip1jm,l) = tps
	594	ENDDO
	595	ENDDO
	596
[1614]	597	if (1 == 0) then
	598	!!! Ehouarn: lines here 1) kill 1+1=2 in the dynamics
	599	!!! 2) should probably not be here anyway
	600	!!! but are kept for those who would want to revert to previous behaviour
	601	DO ij = 1,iim
	602	tppn(ij) = aire( ij ) * ps ( ij )
	603	tpps(ij) = aire(ij+ip1jm) * ps (ij+ip1jm)
	604	ENDDO
	605	tpn = SSUM(iim,tppn,1)/apoln
	606	tps = SSUM(iim,tpps,1)/apols
[524]	607
[1614]	608	DO ij = 1, iip1
	609	ps( ij ) = tpn
	610	ps(ij+ip1jm) = tps
	611	ENDDO
	612	endif ! of if (1 == 0)
[524]	613
[1146]	614	END IF ! of IF(apdiss)
[524]	615
	616	c ajout debug
	617	c IF( lafin ) then
	618	c abort_message = 'Simulation finished'
	619	c call abort_gcm(modname,abort_message,0)
	620	c ENDIF
	621
	622	c ********************************************************************
	623	c ********************************************************************
	624	c .... fin de l'integration dynamique et physique pour le pas itau ..
	625	c ********************************************************************
	626	c ********************************************************************
	627
	628	c preparation du pas d'integration suivant ......
	629
[2270]	630	if (ok_iso_verif) then
	631	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1509')
	632	endif !if (ok_iso_verif) then
	633
[524]	634	IF ( .NOT.purmats ) THEN
	635	c ........................................................
	636	c .............. schema matsuno + leapfrog ..............
	637	c ........................................................
	638
	639	IF(forward. OR. leapf) THEN
	640	itau= itau + 1
[1403]	641	c iday= day_ini+itau/day_step
	642	c time= REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
	643	c IF(time.GT.1.) THEN
	644	c time = time-1.
	645	c iday = iday+1
	646	c ENDIF
[524]	647	ENDIF
	648
	649
	650	IF( itau. EQ. itaufinp1 ) then
[999]	651	if (flag_verif) then
[1279]	652	write(79,*) 'ucov',ucov
	653	write(80,*) 'vcov',vcov
	654	write(81,*) 'teta',teta
	655	write(82,*) 'ps',ps
	656	write(83,*) 'q',q
[999]	657	WRITE(85,*) 'q1 = ',q(:,:,1)
	658	WRITE(86,*) 'q3 = ',q(:,:,3)
	659	endif
[524]	660
	661	abort_message = 'Simulation finished'
	662
	663	call abort_gcm(modname,abort_message,0)
	664	ENDIF
	665	c-----------------------------------------------------------------------
	666	c ecriture du fichier histoire moyenne:
	667	c -------------------------------------
	668
	669	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
	670	IF(itau.EQ.itaufin) THEN
	671	iav=1
	672	ELSE
	673	iav=0
	674	ENDIF
[1146]	675
	676	IF (ok_dynzon) THEN
[524]	677	#ifdef CPP_IOIPSL
[1403]	678	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
	679	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
[524]	680	#endif
[1146]	681	END IF
[1403]	682	IF (ok_dyn_ave) THEN
	683	#ifdef CPP_IOIPSL
	684	CALL writedynav(itau,vcov,
	685	& ucov,teta,pk,phi,q,masse,ps,phis)
	686	#endif
	687	ENDIF
[524]	688
[1403]	689	ENDIF ! of IF((MOD(itau,iperiod).EQ.0).OR.(itau.EQ.itaufin))
[524]	690
[2270]	691	if (ok_iso_verif) then
	692	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1584')
	693	endif !if (ok_iso_verif) then
	694
[524]	695	c-----------------------------------------------------------------------
	696	c ecriture de la bande histoire:
	697	c ------------------------------
	698
[1403]	699	IF( MOD(itau,iecri).EQ.0) THEN
	700	! Ehouarn: output only during LF or Backward Matsuno
	701	if (leapf.or.(.not.leapf.and.(.not.forward))) then
[1146]	702	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	703	unat=0.
	704	do l=1,llm
	705	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
	706	vnat(:,l)=vcov(:,l)/cv(:)
	707	enddo
[524]	708	#ifdef CPP_IOIPSL
[1403]	709	if (ok_dyn_ins) then
	710	! write(lunout,*) "leapfrog: call writehist, itau=",itau
	711	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
	712	! call WriteField('ucov',reshape(ucov,(/iip1,jmp1,llm/)))
	713	! call WriteField('vcov',reshape(vcov,(/iip1,jjm,llm/)))
	714	! call WriteField('teta',reshape(teta,(/iip1,jmp1,llm/)))
	715	! call WriteField('ps',reshape(ps,(/iip1,jmp1/)))
	716	! call WriteField('masse',reshape(masse,(/iip1,jmp1,llm/)))
	717	endif ! of if (ok_dyn_ins)
[1146]	718	#endif
	719	! For some Grads outputs of fields
[1403]	720	if (output_grads_dyn) then
[524]	721	#include "write_grads_dyn.h"
[1403]	722	endif
	723	endif ! of if (leapf.or.(.not.leapf.and.(.not.forward)))
[1146]	724	ENDIF ! of IF(MOD(itau,iecri).EQ.0)
[524]	725
	726	IF(itau.EQ.itaufin) THEN
	727
	728
[1454]	729	! if (planet_type.eq."earth") then
[1146]	730	! Write an Earth-format restart file
[1577]	731	CALL dynredem1("restart.nc",start_time,
[1146]	732	& vcov,ucov,teta,q,masse,ps)
[1454]	733	! endif ! of if (planet_type.eq."earth")
[524]	734
	735	CLOSE(99)
[1614]	736	!!! Ehouarn: Why not stop here and now?
[1146]	737	ENDIF ! of IF (itau.EQ.itaufin)
[524]	738
	739	c-----------------------------------------------------------------------
	740	c gestion de l'integration temporelle:
	741	c ------------------------------------
	742
	743	IF( MOD(itau,iperiod).EQ.0 ) THEN
	744	GO TO 1
	745	ELSE IF ( MOD(itau-1,iperiod). EQ. 0 ) THEN
	746
	747	IF( forward ) THEN
	748	c fin du pas forward et debut du pas backward
	749
	750	forward = .FALSE.
	751	leapf = .FALSE.
	752	GO TO 2
	753
	754	ELSE
	755	c fin du pas backward et debut du premier pas leapfrog
	756
	757	leapf = .TRUE.
	758	dt = 2.*dtvr
[1146]	759	GO TO 2
	760	END IF ! of IF (forward)
[524]	761	ELSE
	762
	763	c ...... pas leapfrog .....
	764
	765	leapf = .TRUE.
	766	dt = 2.*dtvr
	767	GO TO 2
[1146]	768	END IF ! of IF (MOD(itau,iperiod).EQ.0)
	769	! ELSEIF (MOD(itau-1,iperiod).EQ.0)
[524]	770
[1146]	771	ELSE ! of IF (.not.purmats)
[524]	772
[2270]	773	if (ok_iso_verif) then
	774	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1664')
	775	endif !if (ok_iso_verif) then
	776
[524]	777	c ........................................................
	778	c .............. schema matsuno ...............
	779	c ........................................................
	780	IF( forward ) THEN
	781
	782	itau = itau + 1
[1403]	783	c iday = day_ini+itau/day_step
	784	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
	785	c
	786	c IF(time.GT.1.) THEN
	787	c time = time-1.
	788	c iday = iday+1
	789	c ENDIF
[524]	790
	791	forward = .FALSE.
	792	IF( itau. EQ. itaufinp1 ) then
	793	abort_message = 'Simulation finished'
	794	call abort_gcm(modname,abort_message,0)
	795	ENDIF
	796	GO TO 2
	797
[1403]	798	ELSE ! of IF(forward) i.e. backward step
[2270]	799
	800	if (ok_iso_verif) then
	801	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1698')
	802	endif !if (ok_iso_verif) then
[524]	803
[1146]	804	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
[524]	805	IF(itau.EQ.itaufin) THEN
	806	iav=1
	807	ELSE
	808	iav=0
	809	ENDIF
[1146]	810
	811	IF (ok_dynzon) THEN
[524]	812	#ifdef CPP_IOIPSL
[1403]	813	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
	814	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
[524]	815	#endif
[1403]	816	ENDIF
	817	IF (ok_dyn_ave) THEN
	818	#ifdef CPP_IOIPSL
	819	CALL writedynav(itau,vcov,
	820	& ucov,teta,pk,phi,q,masse,ps,phis)
	821	#endif
	822	ENDIF
[524]	823
[1146]	824	ENDIF ! of IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin)
[524]	825
[1146]	826	IF(MOD(itau,iecri ).EQ.0) THEN
[524]	827	c IF(MOD(itau,iecri*day_step).EQ.0) THEN
[1146]	828	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	829	unat=0.
	830	do l=1,llm
	831	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
	832	vnat(:,l)=vcov(:,l)/cv(:)
	833	enddo
[524]	834	#ifdef CPP_IOIPSL
[1403]	835	if (ok_dyn_ins) then
	836	! write(lunout,*) "leapfrog: call writehist (b)",
	837	! & itau,iecri
	838	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
	839	endif ! of if (ok_dyn_ins)
[1146]	840	#endif
	841	! For some Grads outputs
	842	if (output_grads_dyn) then
[524]	843	#include "write_grads_dyn.h"
[1146]	844	endif
[524]	845
[1146]	846	ENDIF ! of IF(MOD(itau,iecri ).EQ.0)
[524]	847
[1146]	848	IF(itau.EQ.itaufin) THEN
[1454]	849	! if (planet_type.eq."earth") then
[1577]	850	CALL dynredem1("restart.nc",start_time,
[1146]	851	& vcov,ucov,teta,q,masse,ps)
[1454]	852	! endif ! of if (planet_type.eq."earth")
[1146]	853	ENDIF ! of IF(itau.EQ.itaufin)
[524]	854
[1146]	855	forward = .TRUE.
	856	GO TO 1
[524]	857
[1146]	858	ENDIF ! of IF (forward)
[524]	859
[1146]	860	END IF ! of IF(.not.purmats)
[524]	861
	862	STOP
	863	END

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