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leapfrog.F @ 2056

Last change on this file since 2056 was 2056, checked in by Laurent Fairhead, 10 years ago
Merged trunk changes r1997:2055 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: 26.4 KB

Rev	Line
[524]	1	!
[1279]	2	! $Id: leapfrog.F 2056 2014-06-11 13:46:46Z fairhead $
	3	!
[524]	4	c
	5	c
[1146]	6	SUBROUTINE leapfrog(ucov,vcov,teta,ps,masse,phis,q,clesphy0,
[559]	7	& time_0)
[524]	8
	9
[692]	10	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
[1146]	11	#ifdef CPP_IOIPSL
	12	use IOIPSL
	13	#endif
[1999]	14	USE infotrac, ONLY: nqtot
[1279]	15	USE guide_mod, ONLY : guide_main
[1999]	16	USE write_field, ONLY: writefield
	17	USE control_mod, ONLY: nday, day_step, planet_type, offline,
	18	& iconser, iphysiq, iperiod, dissip_period,
	19	& iecri, ip_ebil_dyn, ok_dynzon, ok_dyn_ins,
	20	& periodav, ok_dyn_ave, output_grads_dyn
[2056]	21	use exner_hyb_m, only: exner_hyb
	22	use exner_milieu_m, only: exner_milieu
	23
[524]	24	IMPLICIT NONE
	25
	26	c ...... Version du 10/01/98 ..........
	27
	28	c avec coordonnees verticales hybrides
	29	c avec nouveaux operat. dissipation * ( gradiv2,divgrad2,nxgraro2 )
	30
	31	c=======================================================================
	32	c
	33	c Auteur: P. Le Van /L. Fairhead/F.Hourdin
	34	c -------
	35	c
	36	c Objet:
	37	c ------
	38	c
	39	c GCM LMD nouvelle grille
	40	c
	41	c=======================================================================
	42	c
	43	c ... Dans inigeom , nouveaux calculs pour les elongations cu , cv
	44	c et possibilite d'appeler une fonction f(y) a derivee tangente
	45	c hyperbolique a la place de la fonction a derivee sinusoidale.
	46
	47	c ... Possibilite de choisir le shema pour l'advection de
	48	c q , en modifiant iadv dans traceur.def (10/02) .
	49	c
	50	c Pour Van-Leer + Vapeur d'eau saturee, iadv(1)=4. (F.Codron,10/99)
	51	c Pour Van-Leer iadv=10
	52	c
	53	c-----------------------------------------------------------------------
	54	c Declarations:
	55	c -------------
	56
	57	#include "dimensions.h"
	58	#include "paramet.h"
	59	#include "comconst.h"
	60	#include "comdissnew.h"
	61	#include "comvert.h"
	62	#include "comgeom.h"
	63	#include "logic.h"
	64	#include "temps.h"
	65	#include "ener.h"
	66	#include "description.h"
	67	#include "serre.h"
[1403]	68	!#include "com_io_dyn.h"
[524]	69	#include "iniprint.h"
	70	#include "academic.h"
	71
[956]	72	! FH 2008/05/09 On elimine toutes les clefs physiques dans la dynamique
	73	! #include "clesphys.h"
[692]	74
[1999]	75	INTEGER,PARAMETER :: longcles = 20
	76	REAL,INTENT(IN) :: clesphy0( longcles ) ! not used
	77	REAL,INTENT(IN) :: time_0 ! not used
[524]	78
[1999]	79	c dynamical variables:
	80	REAL,INTENT(INOUT) :: ucov(ip1jmp1,llm) ! zonal covariant wind
	81	REAL,INTENT(INOUT) :: vcov(ip1jm,llm) ! meridional covariant wind
	82	REAL,INTENT(INOUT) :: teta(ip1jmp1,llm) ! potential temperature
	83	REAL,INTENT(INOUT) :: ps(ip1jmp1) ! surface pressure (Pa)
	84	REAL,INTENT(INOUT) :: masse(ip1jmp1,llm) ! air mass
	85	REAL,INTENT(INOUT) :: phis(ip1jmp1) ! geopotentiat at the surface
	86	REAL,INTENT(INOUT) :: q(ip1jmp1,llm,nqtot) ! advected tracers
	87
	88	REAL p (ip1jmp1,llmp1 ) ! interlayer pressure
	89	REAL pks(ip1jmp1) ! exner at the surface
	90	REAL pk(ip1jmp1,llm) ! exner at mid-layer
	91	REAL pkf(ip1jmp1,llm) ! filtered exner at mid-layer
	92	REAL phi(ip1jmp1,llm) ! geopotential
	93	REAL w(ip1jmp1,llm) ! vertical velocity
	94
[524]	95	real zqmin,zqmax
	96
	97	c variables dynamiques intermediaire pour le transport
	98	REAL pbaru(ip1jmp1,llm),pbarv(ip1jm,llm) !flux de masse
	99
	100	c variables dynamiques au pas -1
	101	REAL vcovm1(ip1jm,llm),ucovm1(ip1jmp1,llm)
	102	REAL tetam1(ip1jmp1,llm),psm1(ip1jmp1)
	103	REAL massem1(ip1jmp1,llm)
	104
	105	c tendances dynamiques
	106	REAL dv(ip1jm,llm),du(ip1jmp1,llm)
[1146]	107	REAL dteta(ip1jmp1,llm),dq(ip1jmp1,llm,nqtot),dp(ip1jmp1)
[524]	108
	109	c tendances de la dissipation
	110	REAL dvdis(ip1jm,llm),dudis(ip1jmp1,llm)
	111	REAL dtetadis(ip1jmp1,llm)
	112
	113	c tendances physiques
	114	REAL dvfi(ip1jm,llm),dufi(ip1jmp1,llm)
[1146]	115	REAL dtetafi(ip1jmp1,llm),dqfi(ip1jmp1,llm,nqtot),dpfi(ip1jmp1)
[524]	116
	117	c variables pour le fichier histoire
	118	REAL dtav ! intervalle de temps elementaire
	119
	120	REAL tppn(iim),tpps(iim),tpn,tps
	121	c
	122	INTEGER itau,itaufinp1,iav
[1279]	123	! INTEGER iday ! jour julien
	124	REAL time
[524]	125
	126	REAL SSUM
[1665]	127	! REAL finvmaold(ip1jmp1,llm)
[524]	128
[566]	129	cym LOGICAL lafin
	130	LOGICAL :: lafin=.false.
[524]	131	INTEGER ij,iq,l
	132	INTEGER ik
	133
	134	real time_step, t_wrt, t_ops
	135
[1279]	136	! REAL rdayvrai,rdaym_ini
	137	! jD_cur: jour julien courant
	138	! jH_cur: heure julienne courante
	139	REAL :: jD_cur, jH_cur
	140	INTEGER :: an, mois, jour
	141	REAL :: secondes
	142
[524]	143	LOGICAL first,callinigrads
[692]	144	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
	145	save first
	146	data first/.true./
[1279]	147	real dt_cum
[692]	148	character*10 infile
	149	integer zan, tau0, thoriid
	150	integer nid_ctesGCM
	151	save nid_ctesGCM
	152	real degres
	153	real rlong(iip1), rlatg(jjp1)
	154	real zx_tmp_2d(iip1,jjp1)
	155	integer ndex2d(iip1*jjp1)
	156	logical ok_sync
	157	parameter (ok_sync = .true.)
[1529]	158	logical physic
[524]	159
	160	data callinigrads/.true./
	161	character*10 string10
	162
[960]	163	REAL :: flxw(ip1jmp1,llm) ! flux de masse verticale
[524]	164
	165	c+jld variables test conservation energie
	166	REAL ecin(ip1jmp1,llm),ecin0(ip1jmp1,llm)
	167	C Tendance de la temp. potentiel d (theta)/ d t due a la
	168	C tansformation d'energie cinetique en energie thermique
	169	C cree par la dissipation
	170	REAL dtetaecdt(ip1jmp1,llm)
	171	REAL vcont(ip1jm,llm),ucont(ip1jmp1,llm)
	172	REAL vnat(ip1jm,llm),unat(ip1jmp1,llm)
	173	REAL d_h_vcol, d_qt, d_qw, d_ql, d_ec
	174	CHARACTER*15 ztit
[692]	175	!IM INTEGER ip_ebil_dyn ! PRINT level for energy conserv. diag.
	176	!IM SAVE ip_ebil_dyn
	177	!IM DATA ip_ebil_dyn/0/
[524]	178	c-jld
	179
	180	character*80 dynhist_file, dynhistave_file
[1520]	181	character(len=*),parameter :: modname="leapfrog"
[524]	182	character*80 abort_message
	183
	184	logical dissip_conservative
	185	save dissip_conservative
	186	data dissip_conservative/.true./
	187
	188	LOGICAL prem
	189	save prem
	190	DATA prem/.true./
	191	INTEGER testita
	192	PARAMETER (testita = 9)
	193
[1286]	194	logical , parameter :: flag_verif = .false.
[999]	195
	196
[825]	197	integer itau_w ! pas de temps ecriture = itap + itau_phy
	198
	199
[2056]	200	if (nday>=0) then
	201	itaufin = nday*day_step
	202	else
	203	itaufin = -nday
	204	endif
[524]	205	itaufinp1 = itaufin +1
[1529]	206	itau = 0
	207	physic=.true.
	208	if (iflag_phys==0.or.iflag_phys==2) physic=.false.
[524]	209
[1403]	210	c iday = day_ini+itau/day_step
	211	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
	212	c IF(time.GT.1.) THEN
	213	c time = time-1.
	214	c iday = iday+1
	215	c ENDIF
[524]	216
	217
	218	c-----------------------------------------------------------------------
	219	c On initialise la pression et la fonction d'Exner :
	220	c --------------------------------------------------
	221
[1454]	222	dq(:,:,:)=0.
[524]	223	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1665]	224	if (pressure_exner) then
[2056]	225	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
[1665]	226	else
[2056]	227	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	228	endif
[524]	229
	230	c-----------------------------------------------------------------------
	231	c Debut de l'integration temporelle:
	232	c ----------------------------------
	233
[1665]	234	1 CONTINUE ! Matsuno Forward step begins here
[524]	235
[1665]	236	jD_cur = jD_ref + day_ini - day_ref + &
	237	& itau/day_step
	238	jH_cur = jH_ref + start_time + &
	239	& mod(itau,day_step)/float(day_step)
	240	jD_cur = jD_cur + int(jH_cur)
	241	jH_cur = jH_cur - int(jH_cur)
[524]	242
[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
[1665]	274	2 CONTINUE ! Matsuno backward or leapfrog step begins here
[524]	275
	276	c-----------------------------------------------------------------------
	277
	278	c date:
	279	c -----
	280
	281
	282	c gestion des appels de la physique et des dissipations:
	283	c ------------------------------------------------------
	284	c
	285	c ... P.Le Van ( 6/02/95 ) ....
	286
	287	apphys = .FALSE.
	288	statcl = .FALSE.
	289	conser = .FALSE.
	290	apdiss = .FALSE.
	291
	292	IF( purmats ) THEN
[1403]	293	! Purely Matsuno time stepping
[524]	294	IF( MOD(itau,iconser) .EQ.0.AND. forward ) conser = .TRUE.
[1502]	295	IF( MOD(itau,dissip_period ).EQ.0.AND..NOT.forward )
	296	s apdiss = .TRUE.
[524]	297	IF( MOD(itau,iphysiq ).EQ.0.AND..NOT.forward
[1529]	298	s .and. physic ) apphys = .TRUE.
[524]	299	ELSE
[1403]	300	! Leapfrog/Matsuno time stepping
[524]	301	IF( MOD(itau ,iconser) .EQ. 0 ) conser = .TRUE.
[1502]	302	IF( MOD(itau+1,dissip_period).EQ.0 .AND. .NOT. forward )
	303	s apdiss = .TRUE.
[1529]	304	IF( MOD(itau+1,iphysiq).EQ.0.AND.physic ) apphys=.TRUE.
[524]	305	END IF
	306
[1403]	307	! Ehouarn: for Shallow Water case (ie: 1 vertical layer),
	308	! supress dissipation step
	309	if (llm.eq.1) then
	310	apdiss=.false.
	311	endif
	312
[524]	313	c-----------------------------------------------------------------------
	314	c calcul des tendances dynamiques:
	315	c --------------------------------
	316
[1665]	317	! compute geopotential phi()
[524]	318	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
	319
[1279]	320	time = jD_cur + jH_cur
[524]	321	CALL caldyn
	322	$ ( itau,ucov,vcov,teta,ps,masse,pk,pkf,phis ,
[1279]	323	$ phi,conser,du,dv,dteta,dp,w, pbaru,pbarv, time )
[524]	324
[1279]	325
[524]	326	c-----------------------------------------------------------------------
	327	c calcul des tendances advection des traceurs (dont l'humidite)
	328	c -------------------------------------------------------------
	329
	330	IF( forward. OR . leapf ) THEN
[1999]	331	! Ehouarn: NB: fields sent to advtrac are those at the beginning of the time step
[960]	332	CALL caladvtrac(q,pbaru,pbarv,
	333	* p, masse, dq, teta,
	334	. flxw, pk)
	335
[524]	336	IF (offline) THEN
	337	Cmaf stokage du flux de masse pour traceurs OFF-LINE
	338
	339	#ifdef CPP_IOIPSL
[541]	340	CALL fluxstokenc(pbaru,pbarv,masse,teta,phi,phis,
	341	. dtvr, itau)
[524]	342	#endif
	343
	344
[1146]	345	ENDIF ! of IF (offline)
[524]	346	c
[1146]	347	ENDIF ! of IF( forward. OR . leapf )
[524]	348
	349
	350	c-----------------------------------------------------------------------
	351	c integrations dynamique et traceurs:
	352	c ----------------------------------
	353
	354
	355	CALL integrd ( 2,vcovm1,ucovm1,tetam1,psm1,massem1 ,
[1665]	356	$ dv,du,dteta,dq,dp,vcov,ucov,teta,q,ps,masse,phis )
	357	! $ finvmaold )
[524]	358
	359
	360	c .P.Le Van (26/04/94 ajout de finvpold dans l'appel d'integrd)
	361	c
	362	c-----------------------------------------------------------------------
	363	c calcul des tendances physiques:
	364	c -------------------------------
	365	c ######## P.Le Van ( Modif le 6/02/95 ) ###########
	366	c
	367	IF( purmats ) THEN
	368	IF( itau.EQ.itaufin.AND..NOT.forward ) lafin = .TRUE.
	369	ELSE
	370	IF( itau+1. EQ. itaufin ) lafin = .TRUE.
	371	ENDIF
	372	c
	373	c
	374	IF( apphys ) THEN
	375	c
	376	c ....... Ajout P.Le Van ( 17/04/96 ) ...........
	377	c
	378
	379	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1665]	380	if (pressure_exner) then
[2056]	381	CALL exner_hyb( ip1jmp1, ps, p,pks, pk, pkf )
[1665]	382	else
[2056]	383	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	384	endif
[524]	385
[2056]	386	! Appel a geopot ajoute le 2014/05/08 pour garantir la convergence numerique
	387	! avec dyn3dmem
	388	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
	389
[1279]	390	! rdaym_ini = itau * dtvr / daysec
	391	! rdayvrai = rdaym_ini + day_ini
[1665]	392	! jD_cur = jD_ref + day_ini - day_ref
	393	! $ + int (itau * dtvr / daysec)
	394	! jH_cur = jH_ref + &
	395	! & (itau * dtvr / daysec - int(itau * dtvr / daysec))
	396	jD_cur = jD_ref + day_ini - day_ref + &
	397	& itau/day_step
[1707]	398
	399	IF (planet_type .eq."generic") THEN
	400	! AS: we make jD_cur to be pday
	401	jD_cur = int(day_ini + itau/day_step)
	402	ENDIF
	403
[1665]	404	jH_cur = jH_ref + start_time + &
	405	& mod(itau,day_step)/float(day_step)
	406	jD_cur = jD_cur + int(jH_cur)
	407	jH_cur = jH_cur - int(jH_cur)
[1279]	408	! write(lunout,*)'itau, jD_cur = ', itau, jD_cur, jH_cur
	409	! call ju2ymds(jD_cur+jH_cur, an, mois, jour, secondes)
	410	! write(lunout,*)'current date = ',an, mois, jour, secondes
[524]	411
	412	c rajout debug
	413	c lafin = .true.
	414
	415
	416	c Inbterface avec les routines de phylmd (phymars ... )
	417	c -----------------------------------------------------
	418
	419	c+jld
	420
	421	c Diagnostique de conservation de l'énergie : initialisation
[1146]	422	IF (ip_ebil_dyn.ge.1 ) THEN
[524]	423	ztit='bil dyn'
[1146]	424	! Ehouarn: be careful, diagedyn is Earth-specific (includes ../phylmd/..)!
	425	IF (planet_type.eq."earth") THEN
[1665]	426	#ifdef CPP_EARTH
[1146]	427	CALL diagedyn(ztit,2,1,1,dtphys
	428	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
[1665]	429	#endif
[1146]	430	ENDIF
	431	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
[524]	432	c-jld
[1146]	433	#ifdef CPP_IOIPSL
[1669]	434	cIM decommenter les 6 lignes suivantes pour sortir quelques parametres dynamiques de LMDZ
	435	cIM uncomment next 6 lines to get some parameters for LMDZ dynamics
	436	c IF (first) THEN
	437	c first=.false.
	438	c#include "ini_paramLMDZ_dyn.h"
	439	c ENDIF
[692]	440	c
[1669]	441	c#include "write_paramLMDZ_dyn.h"
[692]	442	c
[1146]	443	#endif
	444	! #endif of #ifdef CPP_IOIPSL
[1279]	445	CALL calfis( lafin , jD_cur, jH_cur,
[524]	446	$ ucov,vcov,teta,q,masse,ps,p,pk,phis,phi ,
[960]	447	$ du,dv,dteta,dq,
[524]	448	$ flxw,
	449	$ clesphy0, dufi,dvfi,dtetafi,dqfi,dpfi )
	450
	451	c ajout des tendances physiques:
	452	c ------------------------------
[1146]	453	CALL addfi( dtphys, leapf, forward ,
[524]	454	$ ucov, vcov, teta , q ,ps ,
	455	$ dufi, dvfi, dtetafi , dqfi ,dpfi )
[1999]	456	! since addfi updates ps(), also update p(), masse() and pk()
	457	CALL pression (ip1jmp1,ap,bp,ps,p)
	458	CALL massdair(p,masse)
	459	if (pressure_exner) then
[2056]	460	CALL exner_hyb(ip1jmp1,ps,p,pks,pk,pkf)
[1999]	461	else
[2056]	462	CALL exner_milieu(ip1jmp1,ps,p,pks,pk,pkf)
[1999]	463	endif
[1795]	464
	465	IF (ok_strato) THEN
	466	CALL top_bound( vcov,ucov,teta,masse,dtphys)
	467	ENDIF
	468
[524]	469	c
	470	c Diagnostique de conservation de l'énergie : difference
[1146]	471	IF (ip_ebil_dyn.ge.1 ) THEN
[524]	472	ztit='bil phys'
[1146]	473	IF (planet_type.eq."earth") THEN
	474	CALL diagedyn(ztit,2,1,1,dtphys
	475	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
	476	ENDIF
	477	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
	478
[1060]	479	ENDIF ! of IF( apphys )
[524]	480
[1146]	481	IF(iflag_phys.EQ.2) THEN ! "Newtonian" case
[1454]	482	! Academic case : Simple friction and Newtonan relaxation
	483	! -------------------------------------------------------
	484	DO l=1,llm
	485	DO ij=1,ip1jmp1
	486	teta(ij,l)=teta(ij,l)-dtvr*
	487	& (teta(ij,l)-tetarappel(ij,l))(knewt_g+knewt_t(l)clat4(ij))
	488	ENDDO
	489	ENDDO ! of DO l=1,llm
	490
[1505]	491	if (planet_type.eq."giant") then
	492	! add an intrinsic heat flux at the base of the atmosphere
	493	teta(:,1)=teta(:,1)+dtvraire(:)ihf/cpp/masse(:,1)
	494	endif
	495
	496	call friction(ucov,vcov,dtvr)
	497
[1454]	498	! Sponge layer (if any)
	499	IF (ok_strato) THEN
[1795]	500	! dufi(:,:)=0.
	501	! dvfi(:,:)=0.
	502	! dtetafi(:,:)=0.
	503	! dqfi(:,:,:)=0.
	504	! dpfi(:)=0.
	505	! CALL top_bound(vcov,ucov,teta,masse,dufi,dvfi,dtetafi)
	506	CALL top_bound( vcov,ucov,teta,masse,dtvr)
	507	! CALL addfi( dtvr, leapf, forward ,
	508	! $ ucov, vcov, teta , q ,ps ,
	509	! $ dufi, dvfi, dtetafi , dqfi ,dpfi )
[1454]	510	ENDIF ! of IF (ok_strato)
	511	ENDIF ! of IF (iflag_phys.EQ.2)
[524]	512
	513
	514	c-jld
	515
	516	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1665]	517	if (pressure_exner) then
[2056]	518	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
[1665]	519	else
[2056]	520	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	521	endif
[1999]	522	CALL massdair(p,masse)
[524]	523
	524
	525	c-----------------------------------------------------------------------
	526	c dissipation horizontale et verticale des petites echelles:
	527	c ----------------------------------------------------------
	528
	529	IF(apdiss) THEN
	530
	531
	532	c calcul de l'energie cinetique avant dissipation
	533	call covcont(llm,ucov,vcov,ucont,vcont)
	534	call enercin(vcov,ucov,vcont,ucont,ecin0)
	535
	536	c dissipation
	537	CALL dissip(vcov,ucov,teta,p,dvdis,dudis,dtetadis)
	538	ucov=ucov+dudis
	539	vcov=vcov+dvdis
	540	c teta=teta+dtetadis
	541
	542
	543	c------------------------------------------------------------------------
	544	if (dissip_conservative) then
	545	C On rajoute la tendance due a la transform. Ec -> E therm. cree
	546	C lors de la dissipation
	547	call covcont(llm,ucov,vcov,ucont,vcont)
	548	call enercin(vcov,ucov,vcont,ucont,ecin)
	549	dtetaecdt= (ecin0-ecin)/ pk
	550	c teta=teta+dtetaecdt
	551	dtetadis=dtetadis+dtetaecdt
	552	endif
	553	teta=teta+dtetadis
	554	c------------------------------------------------------------------------
	555
	556
	557	c ....... P. Le Van ( ajout le 17/04/96 ) ...........
	558	c ... Calcul de la valeur moyenne, unique de h aux poles .....
	559	c
	560
	561	DO l = 1, llm
	562	DO ij = 1,iim
	563	tppn(ij) = aire( ij ) * teta( ij ,l)
	564	tpps(ij) = aire(ij+ip1jm) * teta(ij+ip1jm,l)
	565	ENDDO
	566	tpn = SSUM(iim,tppn,1)/apoln
	567	tps = SSUM(iim,tpps,1)/apols
	568
	569	DO ij = 1, iip1
	570	teta( ij ,l) = tpn
	571	teta(ij+ip1jm,l) = tps
	572	ENDDO
	573	ENDDO
	574
[1665]	575	if (1 == 0) then
	576	!!! Ehouarn: lines here 1) kill 1+1=2 in the dynamics
	577	!!! 2) should probably not be here anyway
	578	!!! but are kept for those who would want to revert to previous behaviour
	579	DO ij = 1,iim
	580	tppn(ij) = aire( ij ) * ps ( ij )
	581	tpps(ij) = aire(ij+ip1jm) * ps (ij+ip1jm)
	582	ENDDO
	583	tpn = SSUM(iim,tppn,1)/apoln
	584	tps = SSUM(iim,tpps,1)/apols
[524]	585
[1665]	586	DO ij = 1, iip1
	587	ps( ij ) = tpn
	588	ps(ij+ip1jm) = tps
	589	ENDDO
	590	endif ! of if (1 == 0)
[524]	591
[1146]	592	END IF ! of IF(apdiss)
[524]	593
	594	c ajout debug
	595	c IF( lafin ) then
	596	c abort_message = 'Simulation finished'
	597	c call abort_gcm(modname,abort_message,0)
	598	c ENDIF
	599
	600	c ********************************************************************
	601	c ********************************************************************
	602	c .... fin de l'integration dynamique et physique pour le pas itau ..
	603	c ********************************************************************
	604	c ********************************************************************
	605
	606	c preparation du pas d'integration suivant ......
	607
	608	IF ( .NOT.purmats ) THEN
	609	c ........................................................
	610	c .............. schema matsuno + leapfrog ..............
	611	c ........................................................
	612
	613	IF(forward. OR. leapf) THEN
	614	itau= itau + 1
[1403]	615	c iday= day_ini+itau/day_step
	616	c time= REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
	617	c IF(time.GT.1.) THEN
	618	c time = time-1.
	619	c iday = iday+1
	620	c ENDIF
[524]	621	ENDIF
	622
	623
	624	IF( itau. EQ. itaufinp1 ) then
[999]	625	if (flag_verif) then
[1279]	626	write(79,*) 'ucov',ucov
	627	write(80,*) 'vcov',vcov
	628	write(81,*) 'teta',teta
	629	write(82,*) 'ps',ps
	630	write(83,*) 'q',q
[999]	631	WRITE(85,*) 'q1 = ',q(:,:,1)
	632	WRITE(86,*) 'q3 = ',q(:,:,3)
	633	endif
[524]	634
	635	abort_message = 'Simulation finished'
	636
	637	call abort_gcm(modname,abort_message,0)
	638	ENDIF
	639	c-----------------------------------------------------------------------
	640	c ecriture du fichier histoire moyenne:
	641	c -------------------------------------
	642
	643	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
	644	IF(itau.EQ.itaufin) THEN
	645	iav=1
	646	ELSE
	647	iav=0
	648	ENDIF
[1146]	649
	650	IF (ok_dynzon) THEN
[524]	651	#ifdef CPP_IOIPSL
[1403]	652	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
	653	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
[524]	654	#endif
[1146]	655	END IF
[1403]	656	IF (ok_dyn_ave) THEN
	657	#ifdef CPP_IOIPSL
	658	CALL writedynav(itau,vcov,
	659	& ucov,teta,pk,phi,q,masse,ps,phis)
	660	#endif
	661	ENDIF
[524]	662
[1403]	663	ENDIF ! of IF((MOD(itau,iperiod).EQ.0).OR.(itau.EQ.itaufin))
[524]	664
	665	c-----------------------------------------------------------------------
	666	c ecriture de la bande histoire:
	667	c ------------------------------
	668
[1403]	669	IF( MOD(itau,iecri).EQ.0) THEN
	670	! Ehouarn: output only during LF or Backward Matsuno
	671	if (leapf.or.(.not.leapf.and.(.not.forward))) then
[1146]	672	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	673	unat=0.
	674	do l=1,llm
	675	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
	676	vnat(:,l)=vcov(:,l)/cv(:)
	677	enddo
[524]	678	#ifdef CPP_IOIPSL
[1403]	679	if (ok_dyn_ins) then
	680	! write(lunout,*) "leapfrog: call writehist, itau=",itau
	681	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
	682	! call WriteField('ucov',reshape(ucov,(/iip1,jmp1,llm/)))
	683	! call WriteField('vcov',reshape(vcov,(/iip1,jjm,llm/)))
	684	! call WriteField('teta',reshape(teta,(/iip1,jmp1,llm/)))
	685	! call WriteField('ps',reshape(ps,(/iip1,jmp1/)))
	686	! call WriteField('masse',reshape(masse,(/iip1,jmp1,llm/)))
	687	endif ! of if (ok_dyn_ins)
[1146]	688	#endif
	689	! For some Grads outputs of fields
[1403]	690	if (output_grads_dyn) then
[524]	691	#include "write_grads_dyn.h"
[1403]	692	endif
	693	endif ! of if (leapf.or.(.not.leapf.and.(.not.forward)))
[1146]	694	ENDIF ! of IF(MOD(itau,iecri).EQ.0)
[524]	695
	696	IF(itau.EQ.itaufin) THEN
	697
	698
[1454]	699	! if (planet_type.eq."earth") then
[1146]	700	! Write an Earth-format restart file
[1665]	701	CALL dynredem1("restart.nc",start_time,
[1146]	702	& vcov,ucov,teta,q,masse,ps)
[1454]	703	! endif ! of if (planet_type.eq."earth")
[524]	704
	705	CLOSE(99)
[1665]	706	!!! Ehouarn: Why not stop here and now?
[1146]	707	ENDIF ! of IF (itau.EQ.itaufin)
[524]	708
	709	c-----------------------------------------------------------------------
	710	c gestion de l'integration temporelle:
	711	c ------------------------------------
	712
	713	IF( MOD(itau,iperiod).EQ.0 ) THEN
	714	GO TO 1
	715	ELSE IF ( MOD(itau-1,iperiod). EQ. 0 ) THEN
	716
	717	IF( forward ) THEN
	718	c fin du pas forward et debut du pas backward
	719
	720	forward = .FALSE.
	721	leapf = .FALSE.
	722	GO TO 2
	723
	724	ELSE
	725	c fin du pas backward et debut du premier pas leapfrog
	726
	727	leapf = .TRUE.
	728	dt = 2.*dtvr
[1146]	729	GO TO 2
	730	END IF ! of IF (forward)
[524]	731	ELSE
	732
	733	c ...... pas leapfrog .....
	734
	735	leapf = .TRUE.
	736	dt = 2.*dtvr
	737	GO TO 2
[1146]	738	END IF ! of IF (MOD(itau,iperiod).EQ.0)
	739	! ELSEIF (MOD(itau-1,iperiod).EQ.0)
[524]	740
[1146]	741	ELSE ! of IF (.not.purmats)
[524]	742
	743	c ........................................................
	744	c .............. schema matsuno ...............
	745	c ........................................................
	746	IF( forward ) THEN
	747
	748	itau = itau + 1
[1403]	749	c iday = day_ini+itau/day_step
	750	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
	751	c
	752	c IF(time.GT.1.) THEN
	753	c time = time-1.
	754	c iday = iday+1
	755	c ENDIF
[524]	756
	757	forward = .FALSE.
	758	IF( itau. EQ. itaufinp1 ) then
	759	abort_message = 'Simulation finished'
	760	call abort_gcm(modname,abort_message,0)
	761	ENDIF
	762	GO TO 2
	763
[1403]	764	ELSE ! of IF(forward) i.e. backward step
[524]	765
[1146]	766	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
[524]	767	IF(itau.EQ.itaufin) THEN
	768	iav=1
	769	ELSE
	770	iav=0
	771	ENDIF
[1146]	772
	773	IF (ok_dynzon) THEN
[524]	774	#ifdef CPP_IOIPSL
[1403]	775	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
	776	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
[524]	777	#endif
[1403]	778	ENDIF
	779	IF (ok_dyn_ave) THEN
	780	#ifdef CPP_IOIPSL
	781	CALL writedynav(itau,vcov,
	782	& ucov,teta,pk,phi,q,masse,ps,phis)
	783	#endif
	784	ENDIF
[524]	785
[1146]	786	ENDIF ! of IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin)
[524]	787
[1146]	788	IF(MOD(itau,iecri ).EQ.0) THEN
[524]	789	c IF(MOD(itau,iecri*day_step).EQ.0) THEN
[1146]	790	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	791	unat=0.
	792	do l=1,llm
	793	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
	794	vnat(:,l)=vcov(:,l)/cv(:)
	795	enddo
[524]	796	#ifdef CPP_IOIPSL
[1403]	797	if (ok_dyn_ins) then
	798	! write(lunout,*) "leapfrog: call writehist (b)",
	799	! & itau,iecri
	800	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
	801	endif ! of if (ok_dyn_ins)
[1146]	802	#endif
	803	! For some Grads outputs
	804	if (output_grads_dyn) then
[524]	805	#include "write_grads_dyn.h"
[1146]	806	endif
[524]	807
[1146]	808	ENDIF ! of IF(MOD(itau,iecri ).EQ.0)
[524]	809
[1146]	810	IF(itau.EQ.itaufin) THEN
[1454]	811	! if (planet_type.eq."earth") then
[1665]	812	CALL dynredem1("restart.nc",start_time,
[1146]	813	& vcov,ucov,teta,q,masse,ps)
[1454]	814	! endif ! of if (planet_type.eq."earth")
[1146]	815	ENDIF ! of IF(itau.EQ.itaufin)
[524]	816
[1146]	817	forward = .TRUE.
	818	GO TO 1
[524]	819
[1146]	820	ENDIF ! of IF (forward)
[524]	821
[1146]	822	END IF ! of IF(.not.purmats)
[524]	823
	824	STOP
	825	END

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