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leapfrog.F @ 5425

Last change on this file since 5425 was 2641, checked in by Laurent Fairhead, 8 years ago
Merged trunk changes r2593:2640 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: 28.6 KB

Rev	Line
[524]	1	!
[1279]	2	! $Id: leapfrog.F 2641 2016-09-29 21:26:46Z jyg $
	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
[2641]	22	USE comvert_mod, ONLY: ap,bp,pressure_exner,presnivs
	23	USE comconst_mod, ONLY: cpp, dtphys, dtvr, pi, ihf
	24	USE logic_mod, ONLY: iflag_phys,ok_guide,forward,leapf,apphys,
	25	& statcl,conser,apdiss,purmats,ok_strato
	26	USE temps_mod, ONLY: jD_ref,jH_ref,itaufin,day_ini,day_ref,
	27	& start_time,dt
[2056]	28
[524]	29	IMPLICIT NONE
	30
	31	c ...... Version du 10/01/98 ..........
	32
	33	c avec coordonnees verticales hybrides
	34	c avec nouveaux operat. dissipation * ( gradiv2,divgrad2,nxgraro2 )
	35
	36	c=======================================================================
	37	c
	38	c Auteur: P. Le Van /L. Fairhead/F.Hourdin
	39	c -------
	40	c
	41	c Objet:
	42	c ------
	43	c
	44	c GCM LMD nouvelle grille
	45	c
	46	c=======================================================================
	47	c
	48	c ... Dans inigeom , nouveaux calculs pour les elongations cu , cv
	49	c et possibilite d'appeler une fonction f(y) a derivee tangente
	50	c hyperbolique a la place de la fonction a derivee sinusoidale.
	51
	52	c ... Possibilite de choisir le shema pour l'advection de
	53	c q , en modifiant iadv dans traceur.def (10/02) .
	54	c
	55	c Pour Van-Leer + Vapeur d'eau saturee, iadv(1)=4. (F.Codron,10/99)
	56	c Pour Van-Leer iadv=10
	57	c
	58	c-----------------------------------------------------------------------
	59	c Declarations:
	60	c -------------
	61
[2641]	62	include "dimensions.h"
	63	include "paramet.h"
	64	include "comdissnew.h"
	65	include "comgeom.h"
	66	include "description.h"
	67	include "iniprint.h"
	68	include "academic.h"
[524]	69
[1999]	70	REAL,INTENT(IN) :: time_0 ! not used
[524]	71
[1999]	72	c dynamical variables:
	73	REAL,INTENT(INOUT) :: ucov(ip1jmp1,llm) ! zonal covariant wind
	74	REAL,INTENT(INOUT) :: vcov(ip1jm,llm) ! meridional covariant wind
	75	REAL,INTENT(INOUT) :: teta(ip1jmp1,llm) ! potential temperature
	76	REAL,INTENT(INOUT) :: ps(ip1jmp1) ! surface pressure (Pa)
	77	REAL,INTENT(INOUT) :: masse(ip1jmp1,llm) ! air mass
	78	REAL,INTENT(INOUT) :: phis(ip1jmp1) ! geopotentiat at the surface
	79	REAL,INTENT(INOUT) :: q(ip1jmp1,llm,nqtot) ! advected tracers
	80
	81	REAL p (ip1jmp1,llmp1 ) ! interlayer pressure
	82	REAL pks(ip1jmp1) ! exner at the surface
	83	REAL pk(ip1jmp1,llm) ! exner at mid-layer
	84	REAL pkf(ip1jmp1,llm) ! filtered exner at mid-layer
	85	REAL phi(ip1jmp1,llm) ! geopotential
	86	REAL w(ip1jmp1,llm) ! vertical velocity
	87
[524]	88	real zqmin,zqmax
	89
	90	c variables dynamiques intermediaire pour le transport
	91	REAL pbaru(ip1jmp1,llm),pbarv(ip1jm,llm) !flux de masse
	92
	93	c variables dynamiques au pas -1
	94	REAL vcovm1(ip1jm,llm),ucovm1(ip1jmp1,llm)
	95	REAL tetam1(ip1jmp1,llm),psm1(ip1jmp1)
	96	REAL massem1(ip1jmp1,llm)
	97
	98	c tendances dynamiques
	99	REAL dv(ip1jm,llm),du(ip1jmp1,llm)
[1146]	100	REAL dteta(ip1jmp1,llm),dq(ip1jmp1,llm,nqtot),dp(ip1jmp1)
[524]	101
	102	c tendances de la dissipation
	103	REAL dvdis(ip1jm,llm),dudis(ip1jmp1,llm)
	104	REAL dtetadis(ip1jmp1,llm)
	105
	106	c tendances physiques
	107	REAL dvfi(ip1jm,llm),dufi(ip1jmp1,llm)
[1146]	108	REAL dtetafi(ip1jmp1,llm),dqfi(ip1jmp1,llm,nqtot),dpfi(ip1jmp1)
[524]	109
	110	c variables pour le fichier histoire
	111	REAL dtav ! intervalle de temps elementaire
	112
	113	REAL tppn(iim),tpps(iim),tpn,tps
	114	c
	115	INTEGER itau,itaufinp1,iav
[1279]	116	! INTEGER iday ! jour julien
	117	REAL time
[524]	118
	119	REAL SSUM
[1665]	120	! REAL finvmaold(ip1jmp1,llm)
[524]	121
[566]	122	cym LOGICAL lafin
	123	LOGICAL :: lafin=.false.
[524]	124	INTEGER ij,iq,l
	125	INTEGER ik
	126
	127	real time_step, t_wrt, t_ops
	128
[1279]	129	! REAL rdayvrai,rdaym_ini
	130	! jD_cur: jour julien courant
	131	! jH_cur: heure julienne courante
	132	REAL :: jD_cur, jH_cur
	133	INTEGER :: an, mois, jour
	134	REAL :: secondes
	135
[524]	136	LOGICAL first,callinigrads
[692]	137	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
	138	save first
	139	data first/.true./
[1279]	140	real dt_cum
[692]	141	character*10 infile
	142	integer zan, tau0, thoriid
	143	integer nid_ctesGCM
	144	save nid_ctesGCM
	145	real degres
	146	real rlong(iip1), rlatg(jjp1)
	147	real zx_tmp_2d(iip1,jjp1)
	148	integer ndex2d(iip1*jjp1)
	149	logical ok_sync
	150	parameter (ok_sync = .true.)
[1529]	151	logical physic
[524]	152
	153	data callinigrads/.true./
	154	character*10 string10
	155
[960]	156	REAL :: flxw(ip1jmp1,llm) ! flux de masse verticale
[524]	157
	158	c+jld variables test conservation energie
	159	REAL ecin(ip1jmp1,llm),ecin0(ip1jmp1,llm)
	160	C Tendance de la temp. potentiel d (theta)/ d t due a la
	161	C tansformation d'energie cinetique en energie thermique
	162	C cree par la dissipation
	163	REAL dtetaecdt(ip1jmp1,llm)
	164	REAL vcont(ip1jm,llm),ucont(ip1jmp1,llm)
	165	REAL vnat(ip1jm,llm),unat(ip1jmp1,llm)
	166	REAL d_h_vcol, d_qt, d_qw, d_ql, d_ec
	167	CHARACTER*15 ztit
[692]	168	!IM INTEGER ip_ebil_dyn ! PRINT level for energy conserv. diag.
	169	!IM SAVE ip_ebil_dyn
	170	!IM DATA ip_ebil_dyn/0/
[524]	171	c-jld
	172
	173	character*80 dynhist_file, dynhistave_file
[1520]	174	character(len=*),parameter :: modname="leapfrog"
[524]	175	character*80 abort_message
	176
	177	logical dissip_conservative
	178	save dissip_conservative
	179	data dissip_conservative/.true./
	180
	181	LOGICAL prem
	182	save prem
	183	DATA prem/.true./
	184	INTEGER testita
	185	PARAMETER (testita = 9)
	186
[1286]	187	logical , parameter :: flag_verif = .false.
[999]	188
	189
[825]	190	integer itau_w ! pas de temps ecriture = itap + itau_phy
	191
	192
[2056]	193	if (nday>=0) then
	194	itaufin = nday*day_step
	195	else
	196	itaufin = -nday
	197	endif
[524]	198	itaufinp1 = itaufin +1
[1529]	199	itau = 0
	200	physic=.true.
	201	if (iflag_phys==0.or.iflag_phys==2) physic=.false.
[524]	202
[1403]	203	c iday = day_ini+itau/day_step
	204	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
	205	c IF(time.GT.1.) THEN
	206	c time = time-1.
	207	c iday = iday+1
	208	c ENDIF
[524]	209
	210
	211	c-----------------------------------------------------------------------
	212	c On initialise la pression et la fonction d'Exner :
	213	c --------------------------------------------------
	214
[1454]	215	dq(:,:,:)=0.
[524]	216	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1665]	217	if (pressure_exner) then
[2056]	218	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
[1665]	219	else
[2056]	220	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	221	endif
[524]	222
	223	c-----------------------------------------------------------------------
	224	c Debut de l'integration temporelle:
	225	c ----------------------------------
	226
[1665]	227	1 CONTINUE ! Matsuno Forward step begins here
[524]	228
[2408]	229	c date: (NB: date remains unchanged for Backward step)
	230	c -----
	231
[1665]	232	jD_cur = jD_ref + day_ini - day_ref + &
[2408]	233	& (itau+1)/day_step
[1665]	234	jH_cur = jH_ref + start_time + &
[2408]	235	& mod(itau+1,day_step)/float(day_step)
[1665]	236	jD_cur = jD_cur + int(jH_cur)
	237	jH_cur = jH_cur - int(jH_cur)
[524]	238
[2298]	239	if (ok_iso_verif) then
	240	call check_isotopes_seq(q,ip1jmp1,'leapfrog 321')
	241	endif !if (ok_iso_verif) then
[1279]	242
[524]	243	#ifdef CPP_IOIPSL
[1279]	244	if (ok_guide) then
	245	call guide_main(itau,ucov,vcov,teta,q,masse,ps)
[524]	246	endif
	247	#endif
[1279]	248
	249
[524]	250	c
	251	c IF( MOD( itau, 10* day_step ).EQ.0 ) THEN
	252	c CALL test_period ( ucov,vcov,teta,q,p,phis )
	253	c PRINT *,' ---- Test_period apres continue OK ! -----', itau
	254	c ENDIF
	255	c
[1146]	256
	257	! Save fields obtained at previous time step as '...m1'
[524]	258	CALL SCOPY( ijmllm ,vcov , 1, vcovm1 , 1 )
	259	CALL SCOPY( ijp1llm,ucov , 1, ucovm1 , 1 )
	260	CALL SCOPY( ijp1llm,teta , 1, tetam1 , 1 )
	261	CALL SCOPY( ijp1llm,masse, 1, massem1, 1 )
	262	CALL SCOPY( ip1jmp1, ps , 1, psm1 , 1 )
	263
	264	forward = .TRUE.
	265	leapf = .FALSE.
	266	dt = dtvr
	267
	268	c ... P.Le Van .26/04/94 ....
[1665]	269	! Ehouarn: finvmaold is actually not used
	270	! CALL SCOPY ( ijp1llm, masse, 1, finvmaold, 1 )
	271	! CALL filtreg ( finvmaold ,jjp1, llm, -2,2, .TRUE., 1 )
[524]	272
[2298]	273	if (ok_iso_verif) then
	274	call check_isotopes_seq(q,ip1jmp1,'leapfrog 400')
	275	endif !if (ok_iso_verif) then
	276
[1665]	277	2 CONTINUE ! Matsuno backward or leapfrog step begins here
[524]	278
	279	c-----------------------------------------------------------------------
	280
[2408]	281	c date: (NB: only leapfrog step requires recomputing date)
[524]	282	c -----
	283
[2408]	284	IF (leapf) THEN
	285	jD_cur = jD_ref + day_ini - day_ref +
	286	& (itau+1)/day_step
	287	jH_cur = jH_ref + start_time +
	288	& mod(itau+1,day_step)/float(day_step)
	289	jD_cur = jD_cur + int(jH_cur)
	290	jH_cur = jH_cur - int(jH_cur)
	291	ENDIF
[524]	292
[2408]	293
[524]	294	c gestion des appels de la physique et des dissipations:
	295	c ------------------------------------------------------
	296	c
	297	c ... P.Le Van ( 6/02/95 ) ....
	298
	299	apphys = .FALSE.
	300	statcl = .FALSE.
	301	conser = .FALSE.
	302	apdiss = .FALSE.
	303
	304	IF( purmats ) THEN
[1403]	305	! Purely Matsuno time stepping
[524]	306	IF( MOD(itau,iconser) .EQ.0.AND. forward ) conser = .TRUE.
[1502]	307	IF( MOD(itau,dissip_period ).EQ.0.AND..NOT.forward )
	308	s apdiss = .TRUE.
[524]	309	IF( MOD(itau,iphysiq ).EQ.0.AND..NOT.forward
[1529]	310	s .and. physic ) apphys = .TRUE.
[524]	311	ELSE
[1403]	312	! Leapfrog/Matsuno time stepping
[524]	313	IF( MOD(itau ,iconser) .EQ. 0 ) conser = .TRUE.
[1502]	314	IF( MOD(itau+1,dissip_period).EQ.0 .AND. .NOT. forward )
	315	s apdiss = .TRUE.
[1529]	316	IF( MOD(itau+1,iphysiq).EQ.0.AND.physic ) apphys=.TRUE.
[524]	317	END IF
	318
[1403]	319	! Ehouarn: for Shallow Water case (ie: 1 vertical layer),
	320	! supress dissipation step
	321	if (llm.eq.1) then
	322	apdiss=.false.
	323	endif
	324
[2298]	325
	326	if (ok_iso_verif) then
	327	call check_isotopes_seq(q,ip1jmp1,'leapfrog 589')
	328	endif !if (ok_iso_verif) then
	329
[524]	330	c-----------------------------------------------------------------------
	331	c calcul des tendances dynamiques:
	332	c --------------------------------
	333
[1665]	334	! compute geopotential phi()
[524]	335	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
	336
[1279]	337	time = jD_cur + jH_cur
[524]	338	CALL caldyn
	339	$ ( itau,ucov,vcov,teta,ps,masse,pk,pkf,phis ,
[1279]	340	$ phi,conser,du,dv,dteta,dp,w, pbaru,pbarv, time )
[524]	341
[1279]	342
[524]	343	c-----------------------------------------------------------------------
	344	c calcul des tendances advection des traceurs (dont l'humidite)
	345	c -------------------------------------------------------------
	346
[2298]	347	if (ok_iso_verif) then
	348	call check_isotopes_seq(q,ip1jmp1,
	349	& 'leapfrog 686: avant caladvtrac')
	350	endif !if (ok_iso_verif) then
	351
[524]	352	IF( forward. OR . leapf ) THEN
[1999]	353	! Ehouarn: NB: fields sent to advtrac are those at the beginning of the time step
[960]	354	CALL caladvtrac(q,pbaru,pbarv,
	355	* p, masse, dq, teta,
	356	. flxw, pk)
[2298]	357	!write(,) 'caladvtrac 346'
	358
[960]	359
[524]	360	IF (offline) THEN
	361	Cmaf stokage du flux de masse pour traceurs OFF-LINE
	362
	363	#ifdef CPP_IOIPSL
[541]	364	CALL fluxstokenc(pbaru,pbarv,masse,teta,phi,phis,
	365	. dtvr, itau)
[524]	366	#endif
	367
	368
[1146]	369	ENDIF ! of IF (offline)
[524]	370	c
[1146]	371	ENDIF ! of IF( forward. OR . leapf )
[524]	372
	373
	374	c-----------------------------------------------------------------------
	375	c integrations dynamique et traceurs:
	376	c ----------------------------------
	377
[2298]	378	if (ok_iso_verif) then
	379	write(,) 'leapfrog 720'
	380	call check_isotopes_seq(q,ip1jmp1,'leapfrog 756')
	381	endif !if (ok_iso_verif) then
	382
	383	CALL integrd ( nqtot,vcovm1,ucovm1,tetam1,psm1,massem1 ,
[1665]	384	$ dv,du,dteta,dq,dp,vcov,ucov,teta,q,ps,masse,phis )
	385	! $ finvmaold )
[524]	386
[2298]	387	if (ok_iso_verif) then
	388	write(,) 'leapfrog 724'
	389	call check_isotopes_seq(q,ip1jmp1,'leapfrog 762')
	390	endif !if (ok_iso_verif) then
[524]	391
	392	c .P.Le Van (26/04/94 ajout de finvpold dans l'appel d'integrd)
	393	c
	394	c-----------------------------------------------------------------------
	395	c calcul des tendances physiques:
	396	c -------------------------------
	397	c ######## P.Le Van ( Modif le 6/02/95 ) ###########
	398	c
	399	IF( purmats ) THEN
	400	IF( itau.EQ.itaufin.AND..NOT.forward ) lafin = .TRUE.
	401	ELSE
	402	IF( itau+1. EQ. itaufin ) lafin = .TRUE.
	403	ENDIF
	404	c
	405	c
	406	IF( apphys ) THEN
	407	c
	408	c ....... Ajout P.Le Van ( 17/04/96 ) ...........
	409	c
	410
	411	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1665]	412	if (pressure_exner) then
[2056]	413	CALL exner_hyb( ip1jmp1, ps, p,pks, pk, pkf )
[1665]	414	else
[2056]	415	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	416	endif
[524]	417
[2056]	418	! Appel a geopot ajoute le 2014/05/08 pour garantir la convergence numerique
	419	! avec dyn3dmem
	420	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
	421
[1279]	422	! rdaym_ini = itau * dtvr / daysec
	423	! rdayvrai = rdaym_ini + day_ini
[1665]	424	! jD_cur = jD_ref + day_ini - day_ref
	425	! $ + int (itau * dtvr / daysec)
	426	! jH_cur = jH_ref + &
	427	! & (itau * dtvr / daysec - int(itau * dtvr / daysec))
	428	jD_cur = jD_ref + day_ini - day_ref + &
[2408]	429	& (itau+1)/day_step
[1707]	430
	431	IF (planet_type .eq."generic") THEN
	432	! AS: we make jD_cur to be pday
	433	jD_cur = int(day_ini + itau/day_step)
	434	ENDIF
	435
[1665]	436	jH_cur = jH_ref + start_time + &
[2408]	437	& mod(itau+1,day_step)/float(day_step)
[1665]	438	jD_cur = jD_cur + int(jH_cur)
	439	jH_cur = jH_cur - int(jH_cur)
[1279]	440	! write(lunout,*)'itau, jD_cur = ', itau, jD_cur, jH_cur
	441	! call ju2ymds(jD_cur+jH_cur, an, mois, jour, secondes)
	442	! write(lunout,*)'current date = ',an, mois, jour, secondes
[524]	443
	444	c rajout debug
	445	c lafin = .true.
	446
	447
	448	c Inbterface avec les routines de phylmd (phymars ... )
	449	c -----------------------------------------------------
	450
	451	c+jld
	452
	453	c Diagnostique de conservation de l'énergie : initialisation
[1146]	454	IF (ip_ebil_dyn.ge.1 ) THEN
[524]	455	ztit='bil dyn'
[2408]	456	! Ehouarn: be careful, diagedyn is Earth-specific!
[1146]	457	IF (planet_type.eq."earth") THEN
	458	CALL diagedyn(ztit,2,1,1,dtphys
	459	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
	460	ENDIF
	461	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
[524]	462	c-jld
[1146]	463	#ifdef CPP_IOIPSL
[1669]	464	cIM decommenter les 6 lignes suivantes pour sortir quelques parametres dynamiques de LMDZ
	465	cIM uncomment next 6 lines to get some parameters for LMDZ dynamics
	466	c IF (first) THEN
	467	c first=.false.
	468	c#include "ini_paramLMDZ_dyn.h"
	469	c ENDIF
[692]	470	c
[1669]	471	c#include "write_paramLMDZ_dyn.h"
[692]	472	c
[1146]	473	#endif
	474	! #endif of #ifdef CPP_IOIPSL
[2298]	475	#ifdef CPP_PHYS
[1279]	476	CALL calfis( lafin , jD_cur, jH_cur,
[524]	477	$ ucov,vcov,teta,q,masse,ps,p,pk,phis,phi ,
[960]	478	$ du,dv,dteta,dq,
[2258]	479	$ flxw,dufi,dvfi,dtetafi,dqfi,dpfi )
[2298]	480	#endif
[524]	481	c ajout des tendances physiques:
	482	c ------------------------------
[1146]	483	CALL addfi( dtphys, leapf, forward ,
[524]	484	$ ucov, vcov, teta , q ,ps ,
	485	$ dufi, dvfi, dtetafi , dqfi ,dpfi )
[1999]	486	! since addfi updates ps(), also update p(), masse() and pk()
	487	CALL pression (ip1jmp1,ap,bp,ps,p)
	488	CALL massdair(p,masse)
	489	if (pressure_exner) then
[2056]	490	CALL exner_hyb(ip1jmp1,ps,p,pks,pk,pkf)
[1999]	491	else
[2056]	492	CALL exner_milieu(ip1jmp1,ps,p,pks,pk,pkf)
[1999]	493	endif
[1795]	494
	495	IF (ok_strato) THEN
	496	CALL top_bound( vcov,ucov,teta,masse,dtphys)
	497	ENDIF
	498
[524]	499	c
	500	c Diagnostique de conservation de l'énergie : difference
[1146]	501	IF (ip_ebil_dyn.ge.1 ) THEN
[524]	502	ztit='bil phys'
[1146]	503	IF (planet_type.eq."earth") THEN
	504	CALL diagedyn(ztit,2,1,1,dtphys
	505	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
	506	ENDIF
	507	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
	508
[1060]	509	ENDIF ! of IF( apphys )
[524]	510
[1146]	511	IF(iflag_phys.EQ.2) THEN ! "Newtonian" case
[1454]	512	! Academic case : Simple friction and Newtonan relaxation
	513	! -------------------------------------------------------
	514	DO l=1,llm
	515	DO ij=1,ip1jmp1
	516	teta(ij,l)=teta(ij,l)-dtvr*
	517	& (teta(ij,l)-tetarappel(ij,l))(knewt_g+knewt_t(l)clat4(ij))
	518	ENDDO
	519	ENDDO ! of DO l=1,llm
	520
[1505]	521	if (planet_type.eq."giant") then
	522	! add an intrinsic heat flux at the base of the atmosphere
	523	teta(:,1)=teta(:,1)+dtvraire(:)ihf/cpp/masse(:,1)
	524	endif
	525
	526	call friction(ucov,vcov,dtvr)
	527
[1454]	528	! Sponge layer (if any)
	529	IF (ok_strato) THEN
[1795]	530	! dufi(:,:)=0.
	531	! dvfi(:,:)=0.
	532	! dtetafi(:,:)=0.
	533	! dqfi(:,:,:)=0.
	534	! dpfi(:)=0.
	535	! CALL top_bound(vcov,ucov,teta,masse,dufi,dvfi,dtetafi)
	536	CALL top_bound( vcov,ucov,teta,masse,dtvr)
	537	! CALL addfi( dtvr, leapf, forward ,
	538	! $ ucov, vcov, teta , q ,ps ,
	539	! $ dufi, dvfi, dtetafi , dqfi ,dpfi )
[1454]	540	ENDIF ! of IF (ok_strato)
	541	ENDIF ! of IF (iflag_phys.EQ.2)
[524]	542
	543
	544	c-jld
	545
	546	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1665]	547	if (pressure_exner) then
[2056]	548	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
[1665]	549	else
[2056]	550	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	551	endif
[1999]	552	CALL massdair(p,masse)
[524]	553
[2298]	554	if (ok_iso_verif) then
	555	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1196')
	556	endif !if (ok_iso_verif) then
[524]	557
	558	c-----------------------------------------------------------------------
	559	c dissipation horizontale et verticale des petites echelles:
	560	c ----------------------------------------------------------
	561
	562	IF(apdiss) THEN
	563
	564
	565	c calcul de l'energie cinetique avant dissipation
	566	call covcont(llm,ucov,vcov,ucont,vcont)
	567	call enercin(vcov,ucov,vcont,ucont,ecin0)
	568
	569	c dissipation
	570	CALL dissip(vcov,ucov,teta,p,dvdis,dudis,dtetadis)
	571	ucov=ucov+dudis
	572	vcov=vcov+dvdis
	573	c teta=teta+dtetadis
	574
	575
	576	c------------------------------------------------------------------------
	577	if (dissip_conservative) then
	578	C On rajoute la tendance due a la transform. Ec -> E therm. cree
	579	C lors de la dissipation
	580	call covcont(llm,ucov,vcov,ucont,vcont)
	581	call enercin(vcov,ucov,vcont,ucont,ecin)
	582	dtetaecdt= (ecin0-ecin)/ pk
	583	c teta=teta+dtetaecdt
	584	dtetadis=dtetadis+dtetaecdt
	585	endif
	586	teta=teta+dtetadis
	587	c------------------------------------------------------------------------
	588
	589
	590	c ....... P. Le Van ( ajout le 17/04/96 ) ...........
	591	c ... Calcul de la valeur moyenne, unique de h aux poles .....
	592	c
	593
	594	DO l = 1, llm
	595	DO ij = 1,iim
	596	tppn(ij) = aire( ij ) * teta( ij ,l)
	597	tpps(ij) = aire(ij+ip1jm) * teta(ij+ip1jm,l)
	598	ENDDO
	599	tpn = SSUM(iim,tppn,1)/apoln
	600	tps = SSUM(iim,tpps,1)/apols
	601
	602	DO ij = 1, iip1
	603	teta( ij ,l) = tpn
	604	teta(ij+ip1jm,l) = tps
	605	ENDDO
	606	ENDDO
	607
[1665]	608	if (1 == 0) then
	609	!!! Ehouarn: lines here 1) kill 1+1=2 in the dynamics
	610	!!! 2) should probably not be here anyway
	611	!!! but are kept for those who would want to revert to previous behaviour
	612	DO ij = 1,iim
	613	tppn(ij) = aire( ij ) * ps ( ij )
	614	tpps(ij) = aire(ij+ip1jm) * ps (ij+ip1jm)
	615	ENDDO
	616	tpn = SSUM(iim,tppn,1)/apoln
	617	tps = SSUM(iim,tpps,1)/apols
[524]	618
[1665]	619	DO ij = 1, iip1
	620	ps( ij ) = tpn
	621	ps(ij+ip1jm) = tps
	622	ENDDO
	623	endif ! of if (1 == 0)
[524]	624
[1146]	625	END IF ! of IF(apdiss)
[524]	626
	627	c ajout debug
	628	c IF( lafin ) then
	629	c abort_message = 'Simulation finished'
	630	c call abort_gcm(modname,abort_message,0)
	631	c ENDIF
	632
	633	c ********************************************************************
	634	c ********************************************************************
	635	c .... fin de l'integration dynamique et physique pour le pas itau ..
	636	c ********************************************************************
	637	c ********************************************************************
	638
	639	c preparation du pas d'integration suivant ......
	640
[2298]	641	if (ok_iso_verif) then
	642	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1509')
	643	endif !if (ok_iso_verif) then
	644
[524]	645	IF ( .NOT.purmats ) THEN
	646	c ........................................................
	647	c .............. schema matsuno + leapfrog ..............
	648	c ........................................................
	649
	650	IF(forward. OR. leapf) THEN
	651	itau= itau + 1
[1403]	652	c iday= day_ini+itau/day_step
	653	c time= REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
	654	c IF(time.GT.1.) THEN
	655	c time = time-1.
	656	c iday = iday+1
	657	c ENDIF
[524]	658	ENDIF
	659
	660
	661	IF( itau. EQ. itaufinp1 ) then
[999]	662	if (flag_verif) then
[1279]	663	write(79,*) 'ucov',ucov
	664	write(80,*) 'vcov',vcov
	665	write(81,*) 'teta',teta
	666	write(82,*) 'ps',ps
	667	write(83,*) 'q',q
[999]	668	WRITE(85,*) 'q1 = ',q(:,:,1)
	669	WRITE(86,*) 'q3 = ',q(:,:,3)
	670	endif
[524]	671
	672	abort_message = 'Simulation finished'
	673
	674	call abort_gcm(modname,abort_message,0)
	675	ENDIF
	676	c-----------------------------------------------------------------------
	677	c ecriture du fichier histoire moyenne:
	678	c -------------------------------------
	679
	680	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
	681	IF(itau.EQ.itaufin) THEN
	682	iav=1
	683	ELSE
	684	iav=0
	685	ENDIF
[1146]	686
[2488]	687	! ! Ehouarn: re-compute geopotential for outputs
	688	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	689
[1146]	690	IF (ok_dynzon) THEN
[524]	691	#ifdef CPP_IOIPSL
[1403]	692	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
	693	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
[524]	694	#endif
[1146]	695	END IF
[1403]	696	IF (ok_dyn_ave) THEN
	697	#ifdef CPP_IOIPSL
	698	CALL writedynav(itau,vcov,
	699	& ucov,teta,pk,phi,q,masse,ps,phis)
	700	#endif
	701	ENDIF
[524]	702
[1403]	703	ENDIF ! of IF((MOD(itau,iperiod).EQ.0).OR.(itau.EQ.itaufin))
[524]	704
[2298]	705	if (ok_iso_verif) then
	706	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1584')
	707	endif !if (ok_iso_verif) then
	708
[524]	709	c-----------------------------------------------------------------------
	710	c ecriture de la bande histoire:
	711	c ------------------------------
	712
[1403]	713	IF( MOD(itau,iecri).EQ.0) THEN
	714	! Ehouarn: output only during LF or Backward Matsuno
[2641]	715	if (leapf.or.(.not.leapf.and.(.not.forward))) then
[1146]	716	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	717	unat=0.
	718	do l=1,llm
	719	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
	720	vnat(:,l)=vcov(:,l)/cv(:)
	721	enddo
[524]	722	#ifdef CPP_IOIPSL
[1403]	723	if (ok_dyn_ins) then
	724	! write(lunout,*) "leapfrog: call writehist, itau=",itau
[2641]	725	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
[1403]	726	! call WriteField('ucov',reshape(ucov,(/iip1,jmp1,llm/)))
	727	! call WriteField('vcov',reshape(vcov,(/iip1,jjm,llm/)))
	728	! call WriteField('teta',reshape(teta,(/iip1,jmp1,llm/)))
	729	! call WriteField('ps',reshape(ps,(/iip1,jmp1/)))
	730	! call WriteField('masse',reshape(masse,(/iip1,jmp1,llm/)))
	731	endif ! of if (ok_dyn_ins)
[1146]	732	#endif
	733	! For some Grads outputs of fields
[1403]	734	if (output_grads_dyn) then
[524]	735	#include "write_grads_dyn.h"
[1403]	736	endif
	737	endif ! of if (leapf.or.(.not.leapf.and.(.not.forward)))
[1146]	738	ENDIF ! of IF(MOD(itau,iecri).EQ.0)
[524]	739
	740	IF(itau.EQ.itaufin) THEN
	741
	742
[1454]	743	! if (planet_type.eq."earth") then
[1146]	744	! Write an Earth-format restart file
[1665]	745	CALL dynredem1("restart.nc",start_time,
[1146]	746	& vcov,ucov,teta,q,masse,ps)
[1454]	747	! endif ! of if (planet_type.eq."earth")
[524]	748
	749	CLOSE(99)
[1665]	750	!!! Ehouarn: Why not stop here and now?
[1146]	751	ENDIF ! of IF (itau.EQ.itaufin)
[524]	752
	753	c-----------------------------------------------------------------------
	754	c gestion de l'integration temporelle:
	755	c ------------------------------------
	756
	757	IF( MOD(itau,iperiod).EQ.0 ) THEN
	758	GO TO 1
	759	ELSE IF ( MOD(itau-1,iperiod). EQ. 0 ) THEN
	760
	761	IF( forward ) THEN
	762	c fin du pas forward et debut du pas backward
	763
	764	forward = .FALSE.
	765	leapf = .FALSE.
	766	GO TO 2
	767
	768	ELSE
	769	c fin du pas backward et debut du premier pas leapfrog
	770
	771	leapf = .TRUE.
	772	dt = 2.*dtvr
[1146]	773	GO TO 2
	774	END IF ! of IF (forward)
[524]	775	ELSE
	776
	777	c ...... pas leapfrog .....
	778
	779	leapf = .TRUE.
	780	dt = 2.*dtvr
	781	GO TO 2
[1146]	782	END IF ! of IF (MOD(itau,iperiod).EQ.0)
	783	! ELSEIF (MOD(itau-1,iperiod).EQ.0)
[524]	784
[1146]	785	ELSE ! of IF (.not.purmats)
[524]	786
[2298]	787	if (ok_iso_verif) then
	788	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1664')
	789	endif !if (ok_iso_verif) then
	790
[524]	791	c ........................................................
	792	c .............. schema matsuno ...............
	793	c ........................................................
	794	IF( forward ) THEN
	795
	796	itau = itau + 1
[1403]	797	c iday = day_ini+itau/day_step
	798	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
	799	c
	800	c IF(time.GT.1.) THEN
	801	c time = time-1.
	802	c iday = iday+1
	803	c ENDIF
[524]	804
	805	forward = .FALSE.
	806	IF( itau. EQ. itaufinp1 ) then
	807	abort_message = 'Simulation finished'
	808	call abort_gcm(modname,abort_message,0)
	809	ENDIF
	810	GO TO 2
	811
[1403]	812	ELSE ! of IF(forward) i.e. backward step
[2298]	813
	814	if (ok_iso_verif) then
	815	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1698')
	816	endif !if (ok_iso_verif) then
[524]	817
[1146]	818	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
[524]	819	IF(itau.EQ.itaufin) THEN
	820	iav=1
	821	ELSE
	822	iav=0
	823	ENDIF
[1146]	824
[2488]	825	! ! Ehouarn: re-compute geopotential for outputs
	826	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	827
[1146]	828	IF (ok_dynzon) THEN
[524]	829	#ifdef CPP_IOIPSL
[1403]	830	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
	831	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
[524]	832	#endif
[1403]	833	ENDIF
	834	IF (ok_dyn_ave) THEN
	835	#ifdef CPP_IOIPSL
	836	CALL writedynav(itau,vcov,
	837	& ucov,teta,pk,phi,q,masse,ps,phis)
	838	#endif
	839	ENDIF
[524]	840
[1146]	841	ENDIF ! of IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin)
[524]	842
[1146]	843	IF(MOD(itau,iecri ).EQ.0) THEN
[524]	844	c IF(MOD(itau,iecri*day_step).EQ.0) THEN
[1146]	845	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	846	unat=0.
	847	do l=1,llm
	848	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
	849	vnat(:,l)=vcov(:,l)/cv(:)
	850	enddo
[524]	851	#ifdef CPP_IOIPSL
[1403]	852	if (ok_dyn_ins) then
	853	! write(lunout,*) "leapfrog: call writehist (b)",
	854	! & itau,iecri
[2641]	855	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
[1403]	856	endif ! of if (ok_dyn_ins)
[1146]	857	#endif
	858	! For some Grads outputs
	859	if (output_grads_dyn) then
[524]	860	#include "write_grads_dyn.h"
[1146]	861	endif
[524]	862
[1146]	863	ENDIF ! of IF(MOD(itau,iecri ).EQ.0)
[524]	864
[1146]	865	IF(itau.EQ.itaufin) THEN
[1454]	866	! if (planet_type.eq."earth") then
[1665]	867	CALL dynredem1("restart.nc",start_time,
[1146]	868	& vcov,ucov,teta,q,masse,ps)
[1454]	869	! endif ! of if (planet_type.eq."earth")
[1146]	870	ENDIF ! of IF(itau.EQ.itaufin)
[524]	871
[1146]	872	forward = .TRUE.
	873	GO TO 1
[524]	874
[1146]	875	ENDIF ! of IF (forward)
[524]	876
[1146]	877	END IF ! of IF(.not.purmats)
[524]	878
	879	STOP
	880	END

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