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fonte_neige_mod.F90 @ 4889

Last change on this file since 4889 was 4143, checked in by dcugnet, 3 years ago

Some variables are renamed or replaced by direct equivalents:
- iso_indnum -> tracers(:)%iso_iName
- niso_possibles -> niso
- iqiso -> iqIsoPha ; index_trac -> itZonIso
- ok_iso_verif -> isoCheck
- ntraceurs_zone -> nzone ; ntraciso -> ntiso
- qperemin -> min_qparent ; masseqmin -> min_qmass ; ratiomin -> min_ratio
Some renamed variables are only aliased with the older name (using USE <module>, ONLY: <oldName> => <newName>) in routines where they are repeated many times.
Few hard-coded indexes are now computed (examples: ilic, iso, ivap, irneb, iq_vap, iq_liq, iso_H2O, iso_HDO, iso_HTO, iso_O17, iso_O18).
The IF(isoCheck) test is now embedded in the check_isotopes_seq and check_isotopes_loc routines (lighter calling).

File size: 23.9 KB

Rev	Line
[3927]	1	!
	2	! $Header$
	3	!
	4	MODULE fonte_neige_mod
	5	!
	6	! This module will treat the process of snow, melting, accumulating, calving, in
	7	! case of simplified soil model.
	8	!
	9	!****************************************************************************************
	10	USE dimphy, ONLY : klon
	11	USE indice_sol_mod
	12
	13	IMPLICIT NONE
	14	SAVE
	15
	16	! run_off_ter and run_off_lic are the runoff at the compressed grid knon for
	17	! land and land-ice respectively
	18	! Note: run_off_lic is used in mod_landice and therfore not private
	19	REAL, ALLOCATABLE, DIMENSION(:), PRIVATE :: run_off_ter
	20	!$OMP THREADPRIVATE(run_off_ter)
	21	REAL, ALLOCATABLE, DIMENSION(:) :: run_off_lic
	22	!$OMP THREADPRIVATE(run_off_lic)
	23
	24	! run_off_lic_0 is the runoff at land-ice a time-step earlier, on the global 1D array grid
	25	REAL, ALLOCATABLE, DIMENSION(:), PRIVATE :: run_off_lic_0
	26	!$OMP THREADPRIVATE(run_off_lic_0)
	27
	28	REAL, PRIVATE :: tau_calv
	29	!$OMP THREADPRIVATE(tau_calv)
[3940]	30	REAL, ALLOCATABLE, DIMENSION(:,:) :: ffonte_global
[3927]	31	!$OMP THREADPRIVATE(ffonte_global)
[3940]	32	REAL, ALLOCATABLE, DIMENSION(:,:) :: fqfonte_global
[3927]	33	!$OMP THREADPRIVATE(fqfonte_global)
[3940]	34	REAL, ALLOCATABLE, DIMENSION(:,:) :: fqcalving_global
[3927]	35	!$OMP THREADPRIVATE(fqcalving_global)
[3940]	36	REAL, ALLOCATABLE, DIMENSION(:) :: runofflic_global
[3927]	37	!$OMP THREADPRIVATE(runofflic_global)
	38	#ifdef ISO
	39	REAL, ALLOCATABLE, DIMENSION(:,:), PRIVATE :: xtrun_off_ter
	40	!$OMP THREADPRIVATE(xtrun_off_ter)
	41	REAL, ALLOCATABLE, DIMENSION(:,:) :: xtrun_off_lic
	42	!$OMP THREADPRIVATE(xtrun_off_lic)
	43	REAL, ALLOCATABLE, DIMENSION(:,:), PRIVATE :: xtrun_off_lic_0
	44	!$OMP THREADPRIVATE(xtrun_off_lic_0)
	45	REAL, ALLOCATABLE, DIMENSION(:,:,:), PRIVATE :: fxtfonte_global
	46	!$OMP THREADPRIVATE(fxtfonte_global)
	47	REAL, ALLOCATABLE, DIMENSION(:,:,:), PRIVATE :: fxtcalving_global
	48	!$OMP THREADPRIVATE(fxtcalving_global)
	49	REAL, ALLOCATABLE, DIMENSION(:,:), PRIVATE :: xtrunofflic_global
	50	!$OMP THREADPRIVATE(xtrunofflic_global)
	51	#endif
	52
	53	CONTAINS
	54	!
	55	!****************************************************************************************
	56	!
	57	SUBROUTINE fonte_neige_init(restart_runoff)
	58
	59	! This subroutine allocates and initialize variables in the module.
	60	! The variable run_off_lic_0 is initialized to the field read from
	61	! restart file. The other variables are initialized to zero.
	62	!
	63	!****************************************************************************************
	64	! Input argument
	65	REAL, DIMENSION(klon), INTENT(IN) :: restart_runoff
	66
	67	! Local variables
	68	INTEGER :: error
	69	CHARACTER (len = 80) :: abort_message
	70	CHARACTER (len = 20) :: modname = 'fonte_neige_init'
	71
	72
	73	!****************************************************************************************
	74	! Allocate run-off at landice and initilize with field read from restart
	75	!
	76	!****************************************************************************************
	77
	78	ALLOCATE(run_off_lic_0(klon), stat = error)
	79	IF (error /= 0) THEN
	80	abort_message='Pb allocation run_off_lic'
	81	CALL abort_physic(modname,abort_message,1)
	82	ENDIF
	83	run_off_lic_0(:) = restart_runoff(:)
	84
	85	!****************************************************************************************
	86	! Allocate other variables and initilize to zero
	87	!
	88	!****************************************************************************************
	89	ALLOCATE(run_off_ter(klon), stat = error)
	90	IF (error /= 0) THEN
	91	abort_message='Pb allocation run_off_ter'
	92	CALL abort_physic(modname,abort_message,1)
	93	ENDIF
	94	run_off_ter(:) = 0.
	95
	96	ALLOCATE(run_off_lic(klon), stat = error)
	97	IF (error /= 0) THEN
	98	abort_message='Pb allocation run_off_lic'
	99	CALL abort_physic(modname,abort_message,1)
	100	ENDIF
	101	run_off_lic(:) = 0.
	102
	103	ALLOCATE(ffonte_global(klon,nbsrf))
	104	IF (error /= 0) THEN
	105	abort_message='Pb allocation ffonte_global'
	106	CALL abort_physic(modname,abort_message,1)
	107	ENDIF
	108	ffonte_global(:,:) = 0.0
	109
	110	ALLOCATE(fqfonte_global(klon,nbsrf))
	111	IF (error /= 0) THEN
	112	abort_message='Pb allocation fqfonte_global'
	113	CALL abort_physic(modname,abort_message,1)
	114	ENDIF
	115	fqfonte_global(:,:) = 0.0
	116
	117	ALLOCATE(fqcalving_global(klon,nbsrf))
	118	IF (error /= 0) THEN
	119	abort_message='Pb allocation fqcalving_global'
	120	CALL abort_physic(modname,abort_message,1)
	121	ENDIF
	122	fqcalving_global(:,:) = 0.0
	123
	124	ALLOCATE(runofflic_global(klon))
	125	IF (error /= 0) THEN
	126	abort_message='Pb allocation runofflic_global'
	127	CALL abort_physic(modname,abort_message,1)
	128	ENDIF
	129	runofflic_global(:) = 0.0
	130
	131	!****************************************************************************************
	132	! Read tau_calv
	133	!
	134	!****************************************************************************************
	135	CALL conf_interface(tau_calv)
	136
	137
	138	END SUBROUTINE fonte_neige_init
	139
	140	#ifdef ISO
	141	SUBROUTINE fonte_neige_init_iso(xtrestart_runoff)
	142
	143	! This subroutine allocates and initialize variables in the module.
	144	! The variable run_off_lic_0 is initialized to the field read from
	145	! restart file. The other variables are initialized to zero.
	146
	147	use infotrac_phy, ONLY: niso
	148	#ifdef ISOVERIF
	149	USE isotopes_mod, ONLY: iso_eau,iso_HDO
	150	USE isotopes_verif_mod
	151	#endif
	152	!
	153	!****************************************************************************************
	154	! Input argument
	155	REAL, DIMENSION(niso,klon), INTENT(IN) :: xtrestart_runoff
	156
	157	! Local variables
	158	INTEGER :: error
	159	CHARACTER (len = 80) :: abort_message
	160	CHARACTER (len = 20) :: modname = 'fonte_neige_init'
	161	integer i
	162
	163
	164	!****************************************************************************************
	165	! Allocate run-off at landice and initilize with field read from restart
	166	!
	167	!****************************************************************************************
	168
	169	ALLOCATE(xtrun_off_lic_0(niso,klon), stat = error)
	170	IF (error /= 0) THEN
	171	abort_message='Pb allocation run_off_lic'
	172	CALL abort_gcm(modname,abort_message,1)
	173	ENDIF
	174
	175	xtrun_off_lic_0(:,:) = xtrestart_runoff(:,:)
	176
	177	#ifdef ISOVERIF
	178	if (iso_eau.gt.0) then
	179	call iso_verif_egalite_vect1D( &
	180	& xtrun_off_lic_0,run_off_lic_0,'fonte_neige 100', &
	181	& niso,klon)
	182	endif !if (iso_eau.gt.0) then
	183	#endif
	184
	185	!****************************************************************************************
	186	! Allocate other variables and initilize to zero
	187	!
	188	!****************************************************************************************
	189
	190	ALLOCATE(xtrun_off_ter(niso,klon), stat = error)
	191	IF (error /= 0) THEN
	192	abort_message='Pb allocation xtrun_off_ter'
	193	CALL abort_gcm(modname,abort_message,1)
	194	ENDIF
	195	xtrun_off_ter(:,:) = 0.
	196
	197	ALLOCATE(xtrun_off_lic(niso,klon), stat = error)
	198	IF (error /= 0) THEN
	199	abort_message='Pb allocation xtrun_off_lic'
	200	CALL abort_gcm(modname,abort_message,1)
	201	ENDIF
	202	xtrun_off_lic(:,:) = 0.
	203
	204	ALLOCATE(fxtfonte_global(niso,klon,nbsrf))
	205	IF (error /= 0) THEN
	206	abort_message='Pb allocation fxtfonte_global'
	207	CALL abort_gcm(modname,abort_message,1)
	208	ENDIF
	209	fxtfonte_global(:,:,:) = 0.0
	210
	211	ALLOCATE(fxtcalving_global(niso,klon,nbsrf))
	212	IF (error /= 0) THEN
	213	abort_message='Pb allocation fxtcalving_global'
	214	CALL abort_gcm(modname,abort_message,1)
	215	ENDIF
	216	fxtcalving_global(:,:,:) = 0.0
	217
	218	ALLOCATE(xtrunofflic_global(niso,klon))
	219	IF (error /= 0) THEN
	220	abort_message='Pb allocation xtrunofflic_global'
	221	CALL abort_gcm(modname,abort_message,1)
	222	ENDIF
	223	xtrunofflic_global(:,:) = 0.0
	224
	225	END SUBROUTINE fonte_neige_init_iso
	226	#endif
	227	!
	228	!
	229	!****************************************************************************************
	230	!
	231	SUBROUTINE fonte_neige( knon, nisurf, knindex, dtime, &
	232	tsurf, precip_rain, precip_snow, &
	233	snow, qsol, tsurf_new, evap &
	234	#ifdef ISO
	235	& ,fq_fonte_diag,fqfonte_diag,snow_evap_diag,fqcalving_diag &
	236	& ,max_eau_sol_diag,runoff_diag,run_off_lic_diag,coeff_rel_diag &
	237	#endif
	238	& )
	239
	240	USE indice_sol_mod
	241	#ifdef ISO
	242	use infotrac_phy, ONLY: niso
	243	!use isotopes_mod, ONLY: ridicule_snow,iso_eau,iso_HDO
	244	#ifdef ISOVERIF
	245	use isotopes_verif_mod
	246	#endif
	247	#endif
	248
	249	! Routine de traitement de la fonte de la neige dans le cas du traitement
	250	! de sol simplifie!
	251	! LF 03/2001
	252	! input:
	253	! knon nombre de points a traiter
	254	! nisurf surface a traiter
	255	! knindex index des mailles valables pour surface a traiter
	256	! dtime
	257	! tsurf temperature de surface
	258	! precip_rain precipitations liquides
	259	! precip_snow precipitations solides
	260	!
	261	! input/output:
	262	! snow champs hauteur de neige
	263	! qsol hauteur d'eau contenu dans le sol
	264	! tsurf_new temperature au sol
	265	! evap
	266	!
	267	INCLUDE "YOETHF.h"
	268	INCLUDE "YOMCST.h"
	269	INCLUDE "FCTTRE.h"
	270	INCLUDE "clesphys.h"
	271
	272	! Input variables
	273	!****************************************************************************************
	274	INTEGER, INTENT(IN) :: knon
	275	INTEGER, INTENT(IN) :: nisurf
	276	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
	277	REAL , INTENT(IN) :: dtime
	278	REAL, DIMENSION(klon), INTENT(IN) :: tsurf
	279	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain
	280	REAL, DIMENSION(klon), INTENT(IN) :: precip_snow
	281
	282	! Input/Output variables
	283	!****************************************************************************************
	284
	285	REAL, DIMENSION(klon), INTENT(INOUT) :: snow
	286	REAL, DIMENSION(klon), INTENT(INOUT) :: qsol
	287	REAL, DIMENSION(klon), INTENT(INOUT) :: tsurf_new
	288	REAL, DIMENSION(klon), INTENT(INOUT) :: evap
	289
	290
	291	#ifdef ISO
	292	! sortie de quelques diagnostiques
	293	real, dimension(klon),intent(out) :: fq_fonte_diag
	294	real, dimension(klon),intent(out) :: fqfonte_diag
	295	real, dimension(klon), intent(out) :: snow_evap_diag
	296	real, dimension(klon), intent(out) :: fqcalving_diag
	297	real, intent(out) :: max_eau_sol_diag
	298	real, dimension(klon), intent(out) :: runoff_diag
	299	real, dimension(klon), intent(OUT):: run_off_lic_diag
	300	real, intent(OUT):: coeff_rel_diag
	301	#endif
	302	! Local variables
	303	!****************************************************************************************
	304
	305	INTEGER :: i, j
	306	REAL :: fq_fonte
	307	REAL :: coeff_rel
	308	REAL, PARAMETER :: snow_max=3000.
	309	REAL, PARAMETER :: max_eau_sol = 150.0
	310	!! PB temporaire en attendant mieux pour le modele de neige
	311	! REAL, parameter :: chasno = RLMLT/(2.3867E+06*0.15)
	312	REAL, PARAMETER :: chasno = 3.334E+05/(2.3867E+06*0.15)
	313	!IM cf JLD/ GKtest
	314	REAL, PARAMETER :: chaice = 3.334E+05/(2.3867E+06*0.15)
	315	! fin GKtest
	316	REAL, DIMENSION(klon) :: ffonte
	317	REAL, DIMENSION(klon) :: fqcalving, fqfonte
	318	REAL, DIMENSION(klon) :: d_ts
	319	REAL, DIMENSION(klon) :: bil_eau_s, snow_evap
	320
	321	LOGICAL :: neige_fond
	322
	323	#ifdef ISO
	324	max_eau_sol_diag=max_eau_sol
	325	#endif
	326
	327	!****************************************************************************************
	328	! Start calculation
	329	! - Initialization
	330	!
	331	!****************************************************************************************
	332	coeff_rel = dtime/(tau_calv * rday)
	333
	334	bil_eau_s(:) = 0.
	335
	336	!****************************************************************************************
	337	! - Increment snow due to precipitation and evaporation
	338	! - Calculate the water balance due to precipitation and evaporation (bil_eau_s)
	339	!
	340	!****************************************************************************************
	341	WHERE (precip_snow > 0.)
	342	snow = snow + (precip_snow * dtime)
	343	END WHERE
	344
	345	snow_evap = 0.
[3940]	346
[3927]	347
	348	IF (.NOT. ok_lic_cond) THEN
	349	!---only positive evaporation has an impact on snow
	350	!---note that this could create a bit of water
	351	!---this was the default until CMIP6
	352	WHERE (evap > 0. )
	353	snow_evap = MIN (snow / dtime, evap) !---one cannot evaporate more than the amount of snow
	354	snow = snow - snow_evap * dtime !---snow that remains on the ground
	355	snow = MAX(0.0, snow) !---just in case
	356	END WHERE
	357
	358	ELSE
	359	!--now considers both positive and negative evaporation in the budget of snow
	360	snow_evap = MIN (snow / dtime, evap) !---one cannot evaporate more than the amount of snow
	361	snow = snow - snow_evap * dtime !---snow that remains or deposits on the ground
	362	snow = MAX(0.0, snow) !---just in case
	363
	364	ENDIF
	365
	366
	367	bil_eau_s(:) = (precip_rain(:) * dtime) - (evap(:) - snow_evap(:)) * dtime
	368	#ifdef ISO
	369	snow_evap_diag(:)=snow_evap(:)
	370	coeff_rel_diag=coeff_rel
	371	#endif
	372
	373
	374	!****************************************************************************************
	375	! - Calculate melting snow
	376	! - Calculate calving and decrement snow, if there are to much snow
	377	! - Update temperature at surface
	378	!
	379	!****************************************************************************************
	380
	381	ffonte(:) = 0.0
	382	fqcalving(:) = 0.0
	383	fqfonte(:) = 0.0
	384
	385	DO i = 1, knon
	386	! Y'a-t-il fonte de neige?
	387	neige_fond = (snow(i)>epsfra .OR. nisurf==is_sic .OR. nisurf==is_lic) .AND. tsurf_new(i)>=RTT
[3940]	388	IF (neige_fond) THEN
[3927]	389	fq_fonte = MIN( MAX((tsurf_new(i)-RTT )/chasno,0.0),snow(i))
	390	ffonte(i) = fq_fonte * RLMLT/dtime
	391	fqfonte(i) = fq_fonte/dtime
	392	snow(i) = MAX(0., snow(i) - fq_fonte)
	393	bil_eau_s(i) = bil_eau_s(i) + fq_fonte
[3940]	394	tsurf_new(i) = tsurf_new(i) - fq_fonte * chasno
[3927]	395	#ifdef ISO
	396	fq_fonte_diag(i)=fq_fonte
	397	#endif
	398
	399	!IM cf JLD OK
	400	!IM cf JLD/ GKtest fonte aussi pour la glace
	401	IF (nisurf == is_sic .OR. nisurf == is_lic ) THEN
	402	fq_fonte = MAX((tsurf_new(i)-RTT )/chaice,0.0)
	403	ffonte(i) = ffonte(i) + fq_fonte * RLMLT/dtime
	404	IF ( ok_lic_melt ) THEN
	405	fqfonte(i) = fqfonte(i) + fq_fonte/dtime
	406	bil_eau_s(i) = bil_eau_s(i) + fq_fonte
	407	ENDIF
	408	tsurf_new(i) = RTT
	409	ENDIF
	410	d_ts(i) = tsurf_new(i) - tsurf(i)
	411	ENDIF
	412
	413	! s'il y a une hauteur trop importante de neige, elle est ecretee
	414	fqcalving(i) = MAX(0., snow(i) - snow_max)/dtime
	415	snow(i)=MIN(snow(i),snow_max)
	416	ENDDO
	417	#ifdef ISO
	418	DO i = 1, knon
	419	fqcalving_diag(i)=fqcalving(i)
	420	fqfonte_diag(i)=fqfonte(i)
	421	enddo !DO i = 1, knon
	422	#endif
	423
	424	IF (nisurf == is_ter) THEN
	425	DO i = 1, knon
	426	qsol(i) = qsol(i) + bil_eau_s(i)
	427	run_off_ter(i) = run_off_ter(i) + MAX(qsol(i) - max_eau_sol, 0.0)
	428	#ifdef ISO
	429	runoff_diag(i)=MAX(qsol(i) - max_eau_sol, 0.0)
	430	#endif
	431	qsol(i) = MIN(qsol(i), max_eau_sol)
	432	ENDDO
	433	ELSE IF (nisurf == is_lic) THEN
	434	DO i = 1, knon
	435	j = knindex(i)
	436	!--temporal filtering
	437	run_off_lic(i) = coeff_relfqcalving(i) + (1.-coeff_rel)run_off_lic_0(j)
	438	run_off_lic_0(j) = run_off_lic(i)
	439	!--add melting snow and liquid precip to runoff of ice cap
	440	run_off_lic(i) = run_off_lic(i) + fqfonte(i) + precip_rain(i)
	441	ENDDO
	442	ENDIF
	443
	444	#ifdef ISO
	445	DO i = 1, klon
	446	run_off_lic_diag(i)=run_off_lic(i)
	447	enddo ! DO i = 1, knon
	448	#endif
	449
	450	!****************************************************************************************
	451	! Save ffonte, fqfonte and fqcalving in global arrays for each
	452	! sub-surface separately
	453	!
	454	!****************************************************************************************
	455	DO i = 1, knon
	456	ffonte_global(knindex(i),nisurf) = ffonte(i)
	457	fqfonte_global(knindex(i),nisurf) = fqfonte(i)
	458	fqcalving_global(knindex(i),nisurf) = fqcalving(i)
	459	ENDDO
	460
	461	IF (nisurf == is_lic) THEN
	462	DO i = 1, knon
	463	runofflic_global(knindex(i)) = run_off_lic(i)
	464	ENDDO
	465	ENDIF
	466
	467	END SUBROUTINE fonte_neige
	468	!
	469	!****************************************************************************************
	470	!
	471	SUBROUTINE fonte_neige_final(restart_runoff &
	472	#ifdef ISO
	473	& ,xtrestart_runoff &
	474	#endif
	475	& )
	476	!
	477	! This subroutine returns run_off_lic_0 for later writing to restart file.
	478	!
	479	#ifdef ISO
	480	use infotrac_phy, ONLY: niso
	481	#ifdef ISOVERIF
	482	use isotopes_mod, ONLY: iso_eau
	483	use isotopes_verif_mod
	484	#endif
	485	#endif
	486	!****************************************************************************************
	487	REAL, DIMENSION(klon), INTENT(OUT) :: restart_runoff
	488	#ifdef ISO
	489	REAL, DIMENSION(niso,klon), INTENT(OUT) :: xtrestart_runoff
	490	#ifdef ISOVERIF
	491	integer i
	492	#endif
	493	#endif
	494
	495	!****************************************************************************************
	496	! Set the output variables
	497	restart_runoff(:) = run_off_lic_0(:)
	498	#ifdef ISO
	499	xtrestart_runoff(:,:) = xtrun_off_lic_0(:,:)
	500	#ifdef ISOVERIF
	501	if (iso_eau.gt.0) then
	502	do i=1,klon
	503	if (iso_verif_egalite_nostop(run_off_lic_0(i), &
	504	& xtrun_off_lic_0(iso_eau,i),'fonte_neige 413') &
	505	& .eq.1) then
	506	write(,) 'i=',i
	507	stop
	508	endif
	509	enddo !do i=1,klon
	510	endif !if (iso_eau.gt.0) then
	511	#endif
	512	#endif
	513
	514	! Deallocation of all varaibles in the module
	515	! DEALLOCATE(run_off_lic_0, run_off_ter, run_off_lic, ffonte_global, &
	516	! fqfonte_global, fqcalving_global)
	517
	518	IF (ALLOCATED(run_off_lic_0)) DEALLOCATE(run_off_lic_0)
	519	IF (ALLOCATED(run_off_ter)) DEALLOCATE(run_off_ter)
	520	IF (ALLOCATED(run_off_lic)) DEALLOCATE(run_off_lic)
	521	IF (ALLOCATED(ffonte_global)) DEALLOCATE(ffonte_global)
	522	IF (ALLOCATED(fqfonte_global)) DEALLOCATE(fqfonte_global)
	523	IF (ALLOCATED(fqcalving_global)) DEALLOCATE(fqcalving_global)
	524	IF (ALLOCATED(runofflic_global)) DEALLOCATE(runofflic_global)
	525	#ifdef ISO
	526	IF (ALLOCATED(xtrun_off_lic_0)) DEALLOCATE(xtrun_off_lic_0)
	527	IF (ALLOCATED(xtrun_off_ter)) DEALLOCATE(xtrun_off_ter)
	528	IF (ALLOCATED(xtrun_off_lic)) DEALLOCATE(xtrun_off_lic)
	529	IF (ALLOCATED(fxtfonte_global)) DEALLOCATE(fxtfonte_global)
	530	IF (ALLOCATED(fxtcalving_global)) DEALLOCATE(fxtcalving_global)
	531	IF (ALLOCATED(xtrunofflic_global)) DEALLOCATE(xtrunofflic_global)
	532	#endif
	533
	534	END SUBROUTINE fonte_neige_final
	535	!
	536	!****************************************************************************************
	537	!
	538	SUBROUTINE fonte_neige_get_vars(pctsrf, fqcalving_out, &
	539	fqfonte_out, ffonte_out, run_off_lic_out &
	540	#ifdef ISO
	541	& ,fxtcalving_out, fxtfonte_out,xtrun_off_lic_out &
	542	#endif
	543	& )
	544
	545
	546	! Cumulate ffonte, fqfonte and fqcalving respectively for
	547	! all type of surfaces according to their fraction.
	548	!
	549	! This routine is called from physiq.F before histwrite.
	550	!****************************************************************************************
	551
	552	USE indice_sol_mod
	553	#ifdef ISO
	554	use infotrac_phy, ONLY: niso
	555	#endif
	556
	557	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
	558
	559	REAL, DIMENSION(klon), INTENT(OUT) :: fqcalving_out
	560	REAL, DIMENSION(klon), INTENT(OUT) :: fqfonte_out
	561	REAL, DIMENSION(klon), INTENT(OUT) :: ffonte_out
	562	REAL, DIMENSION(klon), INTENT(OUT) :: run_off_lic_out
	563
	564
	565	#ifdef ISO
	566	REAL, DIMENSION(niso,klon), INTENT(OUT) :: fxtcalving_out
	567	REAL, DIMENSION(niso,klon), INTENT(OUT) :: fxtfonte_out
	568	REAL, DIMENSION(niso,klon), INTENT(OUT) :: xtrun_off_lic_out
	569	integer i,ixt
	570	#endif
	571	INTEGER :: nisurf
	572	!****************************************************************************************
	573
	574	ffonte_out(:) = 0.0
	575	fqfonte_out(:) = 0.0
	576	fqcalving_out(:) = 0.0
	577	#ifdef ISO
	578	fxtfonte_out(:,:) = 0.0
	579	fxtcalving_out(:,:) = 0.0
	580	#endif
	581
	582	DO nisurf = 1, nbsrf
	583	ffonte_out(:) = ffonte_out(:) + ffonte_global(:,nisurf)*pctsrf(:,nisurf)
	584	fqfonte_out(:) = fqfonte_out(:) + fqfonte_global(:,nisurf)*pctsrf(:,nisurf)
	585	fqcalving_out(:) = fqcalving_out(:) + fqcalving_global(:,nisurf)*pctsrf(:,nisurf)
	586	ENDDO
	587
	588	run_off_lic_out(:)=runofflic_global(:)
	589
	590
	591	#ifdef ISO
	592	DO nisurf = 1, nbsrf
	593	do i=1,klon
	594	do ixt=1,niso
	595	fxtfonte_out(ixt,i) = fxtfonte_out(ixt,i) + fxtfonte_global(ixt,i,nisurf)*pctsrf(i,nisurf)
	596	fxtcalving_out(ixt,i) = fxtcalving_out(ixt,i) + fxtcalving_global(ixt,i,nisurf)*pctsrf(i,nisurf)
	597	enddo !do ixt=1,niso
	598	enddo !do i=1,klon
	599	enddo !DO nisurf = 1, nbsrf
	600	xtrun_off_lic_out(:,:)=xtrunofflic_global(:,:)
	601	#endif
	602
	603	END SUBROUTINE fonte_neige_get_vars
	604	!
	605	!****************************************************************************************
	606	!
	607	!#ifdef ISO
	608	! subroutine fonte_neige_export_xtrun_off_lic_0(knon,xtrun_off_lic_0_diag)
	609	! use infotrac_phy, ONLY: niso
	610	!
	611	! ! inputs
	612	! INTEGER, INTENT(IN) :: knon
	613	! real, INTENT(IN), DIMENSION(niso,klon) :: xtrun_off_lic_0_diag
	614	!
	615	! xtrun_off_lic_0(:,:)=xtrun_off_lic_0_diag(:,:)
	616	!
	617	! end subroutine fonte_neige_export_xtrun_off_lic_0
	618	!#endif
	619
	620	#ifdef ISO
	621	subroutine gestion_neige_besoin_varglob_fonte_neige(klon,knon, &
	622	& xtprecip_snow,xtprecip_rain, &
	623	& fxtfonte_neige,fxtcalving, &
	624	& knindex,nisurf,run_off_lic_diag,coeff_rel_diag)
	625
	626	! dans cette routine, on a besoin des variables globales de
	627	! fonte_neige_mod. Il faut donc la mettre dans fonte_neige_mod
	628	! le reste de gestion_neige est dans isotopes_routines_mod car sinon pb
	629	! de dépendance circulaire.
	630
[4143]	631	USE infotrac_phy, ONLY: ntiso,niso
[3927]	632	USE isotopes_mod, ONLY: iso_eau
	633	USE indice_sol_mod
	634	#ifdef ISOVERIF
	635	USE isotopes_verif_mod
	636	#endif
	637	implicit none
	638
	639	! inputs
	640	integer klon,knon
[4143]	641	real xtprecip_snow(ntiso,klon),xtprecip_rain(ntiso,klon)
[3927]	642	INTEGER, INTENT(IN) :: nisurf
	643	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
	644	real, DIMENSION(klon), INTENT(IN) :: run_off_lic_diag
	645	real, INTENT(IN) :: coeff_rel_diag
	646	real, DIMENSION(niso,klon), INTENT(IN) :: fxtfonte_neige,fxtcalving
	647
	648	! locals
	649	integer i,ixt,j
	650
	651	#ifdef ISOVERIF
	652	IF (nisurf == is_lic) THEN
	653	if (iso_eau.gt.0) then
	654	DO i = 1, knon
	655	j = knindex(i)
	656	call iso_verif_egalite(xtrun_off_lic_0(iso_eau,j), &
	657	& run_off_lic_0(j),'gestion_neige_besoin_varglob_fonte_neige 625')
	658	enddo
	659	endif
	660	endif
	661	#endif
	662
	663	! calcul de run_off_lic
	664
	665	IF (nisurf == is_lic) THEN
	666	! coeff_rel = dtime/(tau_calv * rday)
[4033]	667
[3927]	668	DO i = 1, knon
	669	j = knindex(i)
	670	do ixt=1,niso
	671	xtrun_off_lic(ixt,i) = (coeff_rel_diag * fxtcalving(ixt,i)) + &
	672	(1. - coeff_rel_diag) * xtrun_off_lic_0(ixt,j)
	673	xtrun_off_lic_0(ixt,j) = xtrun_off_lic(ixt,i)
	674	xtrun_off_lic(ixt,i) = xtrun_off_lic(ixt,i) + fxtfonte_neige(ixt,i) + xtprecip_rain(ixt,i)
	675	enddo !do ixt=1,niso
	676	#ifdef ISOVERIF
	677	if (iso_eau.gt.0) then
	678	if (iso_verif_egalite_choix_nostop(xtrun_off_lic(iso_eau,i), &
	679	& run_off_lic_diag(i),'gestion_neige_besoin_varglob_fonte_neige 1201a', &
	680	& errmax,errmaxrel).eq.1) then
	681	write(,) 'i,j=',i,j
	682	write(,) 'coeff_rel_diag=',coeff_rel_diag
	683	stop
	684	endif
	685	endif
	686	#endif
	687	END DO
	688	endif !IF (nisurf == is_lic) THEN
	689
	690	! Save ffonte, fqfonte and fqcalving in global arrays for each
	691	! sub-surface separately
	692	DO i = 1, knon
	693	do ixt=1,niso
	694	fxtfonte_global(ixt,knindex(i),nisurf) = fxtfonte_neige(ixt,i)
	695	fxtcalving_global(ixt,knindex(i),nisurf) = fxtcalving(ixt,i)
	696	enddo !do ixt=1,niso
	697	ENDDO
	698
	699	IF (nisurf == is_lic) THEN
	700	DO i = 1, knon
	701	do ixt=1,niso
	702	xtrunofflic_global(ixt,knindex(i)) = xtrun_off_lic(ixt,i)
	703	enddo ! do ixt=1,niso
	704	ENDDO
	705	ENDIF
	706
	707	end subroutine gestion_neige_besoin_varglob_fonte_neige
	708	#endif
	709
	710
	711	END MODULE fonte_neige_mod

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