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fonte_neige_mod.F90 @ 5225

Last change on this file since 5225 was 5153, checked in by abarral, 4 months ago
Revert FCTTRE to INCLUDE to assess impact of inlining
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: 23.9 KB

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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
14	IMPLICIT NONE
15	SAVE
16
17	! run_off_ter and run_off_lic are the runoff at the compressed grid knon for
18	! land and land-ice respectively
19	! Note: run_off_lic is used in mod_landice and therfore not PRIVATE
20	REAL, ALLOCATABLE, DIMENSION(:), PRIVATE :: run_off_ter
21	!$OMP THREADPRIVATE(run_off_ter)
22	REAL, ALLOCATABLE, DIMENSION(:) :: run_off_lic
23	!$OMP THREADPRIVATE(run_off_lic)
24
25	! run_off_lic_0 is the runoff at land-ice a time-step earlier, on the global 1D array grid
26	REAL, ALLOCATABLE, DIMENSION(:), PRIVATE :: run_off_lic_0
27	!$OMP THREADPRIVATE(run_off_lic_0)
28
29	REAL, PRIVATE :: tau_calv
30	!$OMP THREADPRIVATE(tau_calv)
31	REAL, ALLOCATABLE, DIMENSION(:,:) :: ffonte_global
32	!$OMP THREADPRIVATE(ffonte_global)
33	REAL, ALLOCATABLE, DIMENSION(:,:) :: fqfonte_global
34	!$OMP THREADPRIVATE(fqfonte_global)
35	REAL, ALLOCATABLE, DIMENSION(:,:) :: fqcalving_global
36	!$OMP THREADPRIVATE(fqcalving_global)
37	REAL, ALLOCATABLE, DIMENSION(:) :: runofflic_global
38	!$OMP THREADPRIVATE(runofflic_global)
39	#ifdef ISO
40	REAL, ALLOCATABLE, DIMENSION(:,:), PRIVATE :: xtrun_off_ter
41	!$OMP THREADPRIVATE(xtrun_off_ter)
42	REAL, ALLOCATABLE, DIMENSION(:,:) :: xtrun_off_lic
43	!$OMP THREADPRIVATE(xtrun_off_lic)
44	REAL, ALLOCATABLE, DIMENSION(:,:), PRIVATE :: xtrun_off_lic_0
45	!$OMP THREADPRIVATE(xtrun_off_lic_0)
46	REAL, ALLOCATABLE, DIMENSION(:,:,:), PRIVATE:: fxtfonte_global
47	!$OMP THREADPRIVATE(fxtfonte_global)
48	REAL, ALLOCATABLE, DIMENSION(:,:,:), PRIVATE:: fxtcalving_global
49	!$OMP THREADPRIVATE(fxtcalving_global)
50	REAL, ALLOCATABLE, DIMENSION(:,:), PRIVATE :: xtrunofflic_global
51	!$OMP THREADPRIVATE(xtrunofflic_global)
52	#endif
53
54	CONTAINS
55
56	!****************************************************************************************
57
58	SUBROUTINE fonte_neige_init(restart_runoff)
59
60	! This SUBROUTINE allocates and initialize variables in the module.
61	! The variable run_off_lic_0 is initialized to the field read from
62	! restart file. The other variables are initialized to zero.
63
64	!****************************************************************************************
65	USE lmdz_abort_physic, ONLY: abort_physic
66	! Input argument
67	REAL, DIMENSION(klon), INTENT(IN) :: restart_runoff
68
69	! Local variables
70	INTEGER :: error
71	CHARACTER (len = 80) :: abort_message
72	CHARACTER (len = 20) :: modname = 'fonte_neige_init'
73
74
75	!****************************************************************************************
76	! Allocate run-off at landice and initilize with field read from restart
77
78	!****************************************************************************************
79
80	ALLOCATE(run_off_lic_0(klon), stat = error)
81	IF (error /= 0) THEN
82	abort_message='Pb allocation run_off_lic'
83	CALL abort_physic(modname,abort_message,1)
84	ENDIF
85	run_off_lic_0(:) = restart_runoff(:)
86
87	!****************************************************************************************
88	! Allocate other variables and initilize to zero
89
90	!****************************************************************************************
91	ALLOCATE(run_off_ter(klon), stat = error)
92	IF (error /= 0) THEN
93	abort_message='Pb allocation run_off_ter'
94	CALL abort_physic(modname,abort_message,1)
95	ENDIF
96	run_off_ter(:) = 0.
97
98	ALLOCATE(run_off_lic(klon), stat = error)
99	IF (error /= 0) THEN
100	abort_message='Pb allocation run_off_lic'
101	CALL abort_physic(modname,abort_message,1)
102	ENDIF
103	run_off_lic(:) = 0.
104
105	ALLOCATE(ffonte_global(klon,nbsrf))
106	IF (error /= 0) THEN
107	abort_message='Pb allocation ffonte_global'
108	CALL abort_physic(modname,abort_message,1)
109	ENDIF
110	ffonte_global(:,:) = 0.0
111
112	ALLOCATE(fqfonte_global(klon,nbsrf))
113	IF (error /= 0) THEN
114	abort_message='Pb allocation fqfonte_global'
115	CALL abort_physic(modname,abort_message,1)
116	ENDIF
117	fqfonte_global(:,:) = 0.0
118
119	ALLOCATE(fqcalving_global(klon,nbsrf))
120	IF (error /= 0) THEN
121	abort_message='Pb allocation fqcalving_global'
122	CALL abort_physic(modname,abort_message,1)
123	ENDIF
124	fqcalving_global(:,:) = 0.0
125
126	ALLOCATE(runofflic_global(klon))
127	IF (error /= 0) THEN
128	abort_message='Pb allocation runofflic_global'
129	CALL abort_physic(modname,abort_message,1)
130	ENDIF
131	runofflic_global(:) = 0.0
132
133	!****************************************************************************************
134	! Read tau_calv
135
136	!****************************************************************************************
137	CALL conf_interface(tau_calv)
138
139
140	END SUBROUTINE fonte_neige_init
141
142	#ifdef ISO
143	SUBROUTINE fonte_neige_init_iso(xtrestart_runoff)
144
145	! This SUBROUTINE allocates and initialize variables in the module.
146	! The variable run_off_lic_0 is initialized to the field read from
147	! restart file. The other variables are initialized to zero.
148
149	USE infotrac_phy, ONLY: niso
150	#ifdef ISOVERIF
151	USE isotopes_mod, ONLY: iso_eau,iso_HDO
152	USE isotopes_verif_mod
153	#endif
154
155	!****************************************************************************************
156	! Input argument
157	REAL, DIMENSION(niso,klon), INTENT(IN) :: xtrestart_runoff
158
159	! Local variables
160	INTEGER :: error
161	CHARACTER (len = 80) :: abort_message
162	CHARACTER (len = 20) :: modname = 'fonte_neige_init'
163	INTEGER :: i
164
165
166	!****************************************************************************************
167	! Allocate run-off at landice and initilize with field read from restart
168
169	!****************************************************************************************
170
171	ALLOCATE(xtrun_off_lic_0(niso,klon), stat = error)
172	IF (error /= 0) THEN
173	abort_message='Pb allocation run_off_lic'
174	CALL abort_gcm(modname,abort_message,1)
175	ENDIF
176
177	xtrun_off_lic_0(:,:) = xtrestart_runoff(:,:)
178
179	#ifdef ISOVERIF
180	IF (iso_eau > 0) THEN
181	CALL iso_verif_egalite_vect1D( &
182	xtrun_off_lic_0,run_off_lic_0,'fonte_neige 100', &
183	niso,klon)
184	ENDIF !IF (iso_eau > 0) THEN
185	#endif
186
187	!****************************************************************************************
188	! Allocate other variables and initilize to zero
189
190	!****************************************************************************************
191
192	ALLOCATE(xtrun_off_ter(niso,klon), stat = error)
193	IF (error /= 0) THEN
194	abort_message='Pb allocation xtrun_off_ter'
195	CALL abort_gcm(modname,abort_message,1)
196	ENDIF
197	xtrun_off_ter(:,:) = 0.
198
199	ALLOCATE(xtrun_off_lic(niso,klon), stat = error)
200	IF (error /= 0) THEN
201	abort_message='Pb allocation xtrun_off_lic'
202	CALL abort_gcm(modname,abort_message,1)
203	ENDIF
204	xtrun_off_lic(:,:) = 0.
205
206	ALLOCATE(fxtfonte_global(niso,klon,nbsrf))
207	IF (error /= 0) THEN
208	abort_message='Pb allocation fxtfonte_global'
209	CALL abort_gcm(modname,abort_message,1)
210	ENDIF
211	fxtfonte_global(:,:,:) = 0.0
212
213	ALLOCATE(fxtcalving_global(niso,klon,nbsrf))
214	IF (error /= 0) THEN
215	abort_message='Pb allocation fxtcalving_global'
216	CALL abort_gcm(modname,abort_message,1)
217	ENDIF
218	fxtcalving_global(:,:,:) = 0.0
219
220	ALLOCATE(xtrunofflic_global(niso,klon))
221	IF (error /= 0) THEN
222	abort_message='Pb allocation xtrunofflic_global'
223	CALL abort_gcm(modname,abort_message,1)
224	ENDIF
225	xtrunofflic_global(:,:) = 0.0
226
227	END SUBROUTINE fonte_neige_init_iso
228	#endif
229
230	!****************************************************************************************
231
232	SUBROUTINE fonte_neige( knon, nisurf, knindex, dtime, &
233	tsurf, precip_rain, precip_snow, &
234	snow, qsol, tsurf_new, evap &
235	#ifdef ISO
236	,fq_fonte_diag,fqfonte_diag,snow_evap_diag,fqcalving_diag &
237	,max_eau_sol_diag,runoff_diag,run_off_lic_diag,coeff_rel_diag &
238	#endif
239	)
240
241	USE indice_sol_mod
242	USE lmdz_clesphys
243	USE lmdz_yoethf
244	#ifdef ISO
245	USE infotrac_phy, ONLY: niso
246	!use isotopes_mod, ONLY: ridicule_snow,iso_eau,iso_HDO
247	#ifdef ISOVERIF
248	USE isotopes_verif_mod
249	#endif
250	#endif
251
252	USE lmdz_yomcst
253
254	IMPLICIT NONE
255	INCLUDE "FCTTRE.h"
256
257	! Routine de traitement de la fonte de la neige dans le cas du traitement
258	! de sol simplifie!
259	! LF 03/2001
260	! input:
261	! knon nombre de points a traiter
262	! nisurf surface a traiter
263	! knindex index des mailles valables pour surface a traiter
264	! dtime
265	! tsurf temperature de surface
266	! precip_rain precipitations liquides
267	! precip_snow precipitations solides
268
269	! input/output:
270	! snow champs hauteur de neige
271	! qsol hauteur d'eau contenu dans le sol
272	! tsurf_new temperature au sol
273	! evap
274
275	! Input variables
276	!****************************************************************************************
277	INTEGER, INTENT(IN) :: knon
278	INTEGER, INTENT(IN) :: nisurf
279	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
280	REAL , INTENT(IN) :: dtime
281	REAL, DIMENSION(klon), INTENT(IN) :: tsurf
282	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain
283	REAL, DIMENSION(klon), INTENT(IN) :: precip_snow
284
285	! Input/Output variables
286	!****************************************************************************************
287
288	REAL, DIMENSION(klon), INTENT(INOUT) :: snow
289	REAL, DIMENSION(klon), INTENT(INOUT) :: qsol
290	REAL, DIMENSION(klon), INTENT(INOUT) :: tsurf_new
291	REAL, DIMENSION(klon), INTENT(INOUT) :: evap
292
293	#ifdef ISO
294	! sortie de quelques diagnostiques
295	REAL, DIMENSION(klon), INTENT(OUT) :: fq_fonte_diag
296	REAL, DIMENSION(klon), INTENT(OUT) :: fqfonte_diag
297	REAL, DIMENSION(klon), INTENT(OUT) :: snow_evap_diag
298	REAL, DIMENSION(klon), INTENT(OUT) :: fqcalving_diag
299	REAL, INTENT(OUT) :: max_eau_sol_diag
300	REAL, DIMENSION(klon), INTENT(OUT) :: runoff_diag
301	REAL, DIMENSION(klon), INTENT(OUT) :: run_off_lic_diag
302	REAL, INTENT(OUT) :: coeff_rel_diag
303	#endif
304
305	! Local variables
306	!****************************************************************************************
307
308	INTEGER :: i, j
309	REAL :: fq_fonte
310	REAL :: coeff_rel
311	REAL, PARAMETER :: snow_max=3000.
312	REAL, PARAMETER :: max_eau_sol = 150.0
313	!! PB temporaire en attendant mieux pour le modele de neige
314	! REAL, parameter :: chasno = RLMLT/(2.3867E+06*0.15)
315	REAL, PARAMETER :: chasno = 3.334E+05/(2.3867E+06*0.15)
316	!IM cf JLD/ GKtest
317	REAL, PARAMETER :: chaice = 3.334E+05/(2.3867E+06*0.15)
318	! fin GKtest
319	REAL, DIMENSION(klon) :: ffonte
320	REAL, DIMENSION(klon) :: fqcalving, fqfonte
321	REAL, DIMENSION(klon) :: d_ts
322	REAL, DIMENSION(klon) :: bil_eau_s, snow_evap
323
324	LOGICAL :: neige_fond
325
326	#ifdef ISO
327	max_eau_sol_diag=max_eau_sol
328	#endif
329
330
331	!****************************************************************************************
332	! Start calculation
333	! - Initialization
334
335	!****************************************************************************************
336	coeff_rel = dtime/(tau_calv * rday)
337
338	bil_eau_s(:) = 0.
339
340	!****************************************************************************************
341	! - Increment snow due to precipitation and evaporation
342	! - Calculate the water balance due to precipitation and evaporation (bil_eau_s)
343
344	!****************************************************************************************
345	WHERE (precip_snow > 0.)
346	snow = snow + (precip_snow * dtime)
347	END WHERE
348
349	snow_evap = 0.
350
351	IF (.NOT. ok_lic_cond) THEN
352	!---only positive evaporation has an impact on snow
353	!---note that this could create a bit of water
354	!---this was the default until CMIP6
355	WHERE (evap > 0. )
356	snow_evap = MIN (snow / dtime, evap) !---one cannot evaporate more than the amount of snow
357	snow = snow - snow_evap * dtime !---snow that remains on the ground
358	snow = MAX(0.0, snow) !---just in case
359	END WHERE
360	ELSE
361	!--now considers both positive and negative evaporation in the budget of snow
362	snow_evap = MIN (snow / dtime, evap) !---one cannot evaporate more than the amount of snow
363	snow = snow - snow_evap * dtime !---snow that remains or deposits on the ground
364	snow = MAX(0.0, snow) !---just in case
365	ENDIF
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	!****************************************************************************************
376	! - Calculate melting snow
377	! - Calculate calving and decrement snow, if there are to much snow
378	! - Update temperature at surface
379
380	!****************************************************************************************
381
382	ffonte(:) = 0.0
383	fqcalving(:) = 0.0
384	fqfonte(:) = 0.0
385
386	DO i = 1, knon
387	! Y'a-t-il fonte de neige?
388	neige_fond = (snow(i)>epsfra .OR. nisurf==is_sic .OR. nisurf==is_lic) .AND. tsurf_new(i)>=RTT
389	IF (neige_fond) THEN
390	fq_fonte = MIN( MAX((tsurf_new(i)-RTT )/chasno,0.0),snow(i))
391	ffonte(i) = fq_fonte * RLMLT/dtime
392	fqfonte(i) = fq_fonte/dtime
393	snow(i) = MAX(0., snow(i) - fq_fonte)
394	bil_eau_s(i) = bil_eau_s(i) + fq_fonte
395	tsurf_new(i) = tsurf_new(i) - fq_fonte * chasno
396	#ifdef ISO
397	fq_fonte_diag(i) = fq_fonte
398	#endif
399
400
401	!IM cf JLD OK
402	!IM cf JLD/ GKtest fonte aussi pour la glace
403	IF (nisurf == is_sic .OR. nisurf == is_lic ) THEN
404	fq_fonte = MAX((tsurf_new(i)-RTT )/chaice,0.0)
405	ffonte(i) = ffonte(i) + fq_fonte * RLMLT/dtime
406	IF ( ok_lic_melt ) THEN
407	fqfonte(i) = fqfonte(i) + fq_fonte/dtime
408	bil_eau_s(i) = bil_eau_s(i) + fq_fonte
409	ENDIF
410	tsurf_new(i) = RTT
411	ENDIF
412	d_ts(i) = tsurf_new(i) - tsurf(i)
413	ENDIF
414
415	! s'il y a une hauteur trop importante de neige, elle est ecretee
416	fqcalving(i) = MAX(0., snow(i) - snow_max)/dtime
417	snow(i)=MIN(snow(i),snow_max)
418	ENDDO
419	#ifdef ISO
420	DO i = 1, knon
421	fqcalving_diag(i) = fqcalving(i)
422	fqfonte_diag(i) = fqfonte(i)
423	ENDDO !DO i = 1, knon
424	#endif
425
426
427	IF (nisurf == is_ter) THEN
428	DO i = 1, knon
429	qsol(i) = qsol(i) + bil_eau_s(i)
430	run_off_ter(i) = run_off_ter(i) + MAX(qsol(i) - max_eau_sol, 0.0)
431	#ifdef ISO
432	runoff_diag(i) = MAX(qsol(i) - max_eau_sol, 0.0)
433	#endif
434	qsol(i) = MIN(qsol(i), max_eau_sol)
435	ENDDO
436	ELSE IF (nisurf == is_lic) THEN
437	DO i = 1, knon
438	j = knindex(i)
439	!--temporal filtering
440	run_off_lic(i) = coeff_relfqcalving(i) + (1.-coeff_rel)run_off_lic_0(j)
441	run_off_lic_0(j) = run_off_lic(i)
442	!--add melting snow and liquid precip to runoff of ice cap
443	run_off_lic(i) = run_off_lic(i) + fqfonte(i) + precip_rain(i)
444	ENDDO
445	ENDIF
446
447	#ifdef ISO
448	DO i = 1, klon
449	run_off_lic_diag(i) = run_off_lic(i)
450	ENDDO ! DO i = 1, knon
451	#endif
452
453	!****************************************************************************************
454	! Save ffonte, fqfonte and fqcalving in global arrays for each
455	! sub-surface separately
456
457	!****************************************************************************************
458	DO i = 1, knon
459	ffonte_global(knindex(i),nisurf) = ffonte(i)
460	fqfonte_global(knindex(i),nisurf) = fqfonte(i)
461	fqcalving_global(knindex(i),nisurf) = fqcalving(i)
462	ENDDO
463
464	IF (nisurf == is_lic) THEN
465	DO i = 1, knon
466	runofflic_global(knindex(i)) = run_off_lic(i)
467	ENDDO
468	ENDIF
469
470	END SUBROUTINE fonte_neige
471
472	!****************************************************************************************
473
474	SUBROUTINE fonte_neige_final(restart_runoff &
475	#ifdef ISO
476	,xtrestart_runoff &
477	#endif
478	)
479
480	! This SUBROUTINE returns run_off_lic_0 for later writing to restart file.
481
482	#ifdef ISO
483	USE infotrac_phy, ONLY: niso
484	#ifdef ISOVERIF
485	USE isotopes_mod, ONLY: iso_eau
486	USE isotopes_verif_mod
487	#endif
488	#endif
489
490	!****************************************************************************************
491	REAL, DIMENSION(klon), INTENT(OUT) :: restart_runoff
492	#ifdef ISO
493	REAL, DIMENSION(niso,klon), INTENT(OUT) :: xtrestart_runoff
494	#ifdef ISOVERIF
495	INTEGER :: i
496	#endif
497	#endif
498
499
500
501	!****************************************************************************************
502	! Set the output variables
503	restart_runoff(:) = run_off_lic_0(:)
504	#ifdef ISO
505	xtrestart_runoff(:,:) = xtrun_off_lic_0(:,:)
506	#ifdef ISOVERIF
507	IF (iso_eau > 0) THEN
508	DO i=1,klon
509	IF (iso_verif_egalite_nostop(run_off_lic_0(i) &
510	,xtrun_off_lic_0(iso_eau,i) &
511	,'fonte_neige 413') &
512	== 1) THEN
513	WRITE(,) 'i=',i
514	STOP
515	ENDIF
516	ENDDO !DO i=1,klon
517	ENDIF !IF (iso_eau > 0) THEN
518	#endif
519	#endif
520
521
522
523	! Deallocation of all varaibles in the module
524	! DEALLOCATE(run_off_lic_0, run_off_ter, run_off_lic, ffonte_global, &
525	! fqfonte_global, fqcalving_global)
526
527	IF (ALLOCATED(run_off_lic_0)) DEALLOCATE(run_off_lic_0)
528	IF (ALLOCATED(run_off_ter)) DEALLOCATE(run_off_ter)
529	IF (ALLOCATED(run_off_lic)) DEALLOCATE(run_off_lic)
530	IF (ALLOCATED(ffonte_global)) DEALLOCATE(ffonte_global)
531	IF (ALLOCATED(fqfonte_global)) DEALLOCATE(fqfonte_global)
532	IF (ALLOCATED(fqcalving_global)) DEALLOCATE(fqcalving_global)
533	IF (ALLOCATED(runofflic_global)) DEALLOCATE(runofflic_global)
534	#ifdef ISO
535	IF (ALLOCATED(xtrun_off_lic_0)) DEALLOCATE(xtrun_off_lic_0)
536	IF (ALLOCATED(xtrun_off_ter)) DEALLOCATE(xtrun_off_ter)
537	IF (ALLOCATED(xtrun_off_lic)) DEALLOCATE(xtrun_off_lic)
538	IF (ALLOCATED(fxtfonte_global)) DEALLOCATE(fxtfonte_global)
539	IF (ALLOCATED(fxtcalving_global)) DEALLOCATE(fxtcalving_global)
540	IF (ALLOCATED(xtrunofflic_global)) DEALLOCATE(xtrunofflic_global)
541	#endif
542
543
544	END SUBROUTINE fonte_neige_final
545
546	!****************************************************************************************
547
548	SUBROUTINE fonte_neige_get_vars(pctsrf, fqcalving_out, &
549	fqfonte_out, ffonte_out, run_off_lic_out &
550	#ifdef ISO
551	,fxtcalving_out, fxtfonte_out,xtrun_off_lic_out &
552	#endif
553	)
554
555
556	! Cumulate ffonte, fqfonte and fqcalving respectively for
557	! all type of surfaces according to their fraction.
558
559	! This routine is called from physiq.F before histwrite.
560	!****************************************************************************************
561
562	USE indice_sol_mod
563	#ifdef ISO
564	USE infotrac_phy, ONLY: niso
565	#endif
566
567	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
568
569	REAL, DIMENSION(klon), INTENT(OUT) :: fqcalving_out
570	REAL, DIMENSION(klon), INTENT(OUT) :: fqfonte_out
571	REAL, DIMENSION(klon), INTENT(OUT) :: ffonte_out
572	REAL, DIMENSION(klon), INTENT(OUT) :: run_off_lic_out
573
574	#ifdef ISO
575	REAL, DIMENSION(niso,klon), INTENT(OUT) :: fxtcalving_out
576	REAL, DIMENSION(niso,klon), INTENT(OUT) :: fxtfonte_out
577	REAL, DIMENSION(niso,klon), INTENT(OUT) :: xtrun_off_lic_out
578	INTEGER :: i,ixt
579	#endif
580
581	INTEGER :: nisurf
582	!****************************************************************************************
583
584	ffonte_out(:) = 0.0
585	fqfonte_out(:) = 0.0
586	fqcalving_out(:) = 0.0
587	#ifdef ISO
588	fxtfonte_out(:,:) = 0.0
589	fxtcalving_out(:,:) = 0.0
590	#endif
591
592	DO nisurf = 1, nbsrf
593	ffonte_out(:) = ffonte_out(:) + ffonte_global(:,nisurf)*pctsrf(:,nisurf)
594	fqfonte_out(:) = fqfonte_out(:) + fqfonte_global(:,nisurf)*pctsrf(:,nisurf)
595	fqcalving_out(:) = fqcalving_out(:) + fqcalving_global(:,nisurf)*pctsrf(:,nisurf)
596	ENDDO
597
598	run_off_lic_out(:)=runofflic_global(:)
599
600	#ifdef ISO
601	DO nisurf = 1, nbsrf
602	DO i=1,klon
603	DO ixt=1,niso
604	fxtfonte_out(ixt,i) = fxtfonte_out(ixt,i) + fxtfonte_global(ixt,i,nisurf)*pctsrf(i,nisurf)
605	fxtcalving_out(ixt,i) = fxtcalving_out(ixt,i) + fxtcalving_global(ixt,i,nisurf)*pctsrf(i,nisurf)
606	ENDDO !DO ixt=1,niso
607	ENDDO !DO i=1,klon
608	ENDDO !DO nisurf = 1, nbsrf
609	xtrun_off_lic_out(:,:) = xtrunofflic_global(:,:)
610	#endif
611
612	END SUBROUTINE fonte_neige_get_vars
613
614	!****************************************************************************************
615
616	!#ifdef ISO
617	! SUBROUTINE fonte_neige_export_xtrun_off_lic_0(knon,xtrun_off_lic_0_diag)
618	! use infotrac_phy, ONLY: niso
619
620	! ! inputs
621	! INTEGER, INTENT(IN) :: knon
622	! REAL, INTENT(IN), DIMENSION(niso,klon) :: xtrun_off_lic_0_diag
623
624	! xtrun_off_lic_0(:,:)=xtrun_off_lic_0_diag(:,:)
625
626	! END SUBROUTINE fonte_neige_export_xtrun_off_lic_0
627	!#endif
628
629	#ifdef ISO
630	SUBROUTINE gestion_neige_besoin_varglob_fonte_neige(klon,knon, &
631	xtprecip_snow,xtprecip_rain, &
632	fxtfonte_neige,fxtcalving, &
633	knindex,nisurf,run_off_lic_diag,coeff_rel_diag)
634
635	! dans cette routine, on a besoin des variables globales de
636	! fonte_neige_mod. Il faut donc la mettre dans fonte_neige_mod
637	! le reste de gestion_neige est dans isotopes_routines_mod car sinon pb
638	! de dépendance circulaire.
639
640	USE infotrac_phy, ONLY: ntiso,niso
641	USE isotopes_mod, ONLY: iso_eau
642	USE indice_sol_mod
643	#ifdef ISOVERIF
644	USE isotopes_verif_mod
645	#endif
646	IMPLICIT NONE
647
648	! inputs
649	INTEGER, INTENT(IN) :: klon,knon
650	REAL, DIMENSION(ntiso,klon), INTENT(IN) :: xtprecip_snow, xtprecip_rain
651	REAL, DIMENSION(niso,klon), INTENT(IN) :: fxtfonte_neige,fxtcalving
652	INTEGER, INTENT(IN) :: nisurf
653	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
654	REAL, DIMENSION(klon), INTENT(IN) :: run_off_lic_diag
655	REAL, INTENT(IN) :: coeff_rel_diag
656
657	! locals
658	INTEGER :: i,ixt,j
659
660	#ifdef ISOVERIF
661	IF (nisurf == is_lic) THEN
662	IF (iso_eau > 0) THEN
663	DO i = 1, knon
664	j = knindex(i)
665	CALL iso_verif_egalite(xtrun_off_lic_0(iso_eau,j), &
666	run_off_lic_0(j),'gestion_neige_besoin_varglob_fonte_neige 625')
667	ENDDO
668	ENDIF
669	ENDIF
670	#endif
671
672	! calcul de run_off_lic
673
674	IF (nisurf == is_lic) THEN
675	! coeff_rel = dtime/(tau_calv * rday)
676
677	DO i = 1, knon
678	j = knindex(i)
679	DO ixt = 1, niso
680	xtrun_off_lic(ixt,i) = (coeff_rel_diag * fxtcalving(ixt,i)) &
681	+(1. - coeff_rel_diag) * xtrun_off_lic_0(ixt,j)
682	xtrun_off_lic_0(ixt,j) = xtrun_off_lic(ixt,i)
683	xtrun_off_lic(ixt,i) = xtrun_off_lic(ixt,i) + fxtfonte_neige(ixt,i) + xtprecip_rain(ixt,i)
684	ENDDO !DO ixt=1,niso
685	#ifdef ISOVERIF
686	IF (iso_eau > 0) THEN
687	IF (iso_verif_egalite_choix_nostop(xtrun_off_lic(iso_eau,i), &
688	run_off_lic_diag(i),'gestion_neige_besoin_varglob_fonte_neige 1201a', &
689	errmax,errmaxrel) == 1) THEN
690	WRITE(,) 'i,j=',i,j
691	WRITE(,) 'coeff_rel_diag=',coeff_rel_diag
692	STOP
693	ENDIF
694	ENDIF
695	#endif
696	ENDDO
697	ENDIF !IF (nisurf == is_lic) THEN
698
699	! Save ffonte, fqfonte and fqcalving in global arrays for each
700	! sub-surface separately
701	DO i = 1, knon
702	DO ixt = 1, niso
703	fxtfonte_global(ixt,knindex(i),nisurf) = fxtfonte_neige(ixt,i)
704	fxtcalving_global(ixt,knindex(i),nisurf) = fxtcalving(ixt,i)
705	ENDDO !do ixt=1,niso
706	ENDDO
707
708	IF (nisurf == is_lic) THEN
709	DO i = 1, knon
710	DO ixt = 1, niso
711	xtrunofflic_global(ixt,knindex(i)) = xtrun_off_lic(ixt,i)
712	ENDDO ! DO ixt=1,niso
713	ENDDO
714	ENDIF
715
716	END SUBROUTINE gestion_neige_besoin_varglob_fonte_neige
717	#endif
718
719
720	END MODULE fonte_neige_mod

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