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interface_surf.F90 @ 364

Last change on this file since 364 was 364, checked in by lmdzadmin, 23 years ago
Differentes modifs d'ajustement et de reglages du calendrier LF
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1	! $Header$
2
3	MODULE interface_surf
4
5	! Ce module regroupe toutes les routines gerant l'interface entre le modele
6	! atmospherique et les modeles de surface (sols continentaux, oceans, glaces)
7	! Les routines sont les suivantes:
8	!
9	! interfsurf_*: routines d'aiguillage vers les interfaces avec les
10	! differents modeles de surface
11	! interfsol\
12	! > routines d'interface proprement dite
13	! interfoce/
14	!
15	! interfstart: routine d'initialisation et de lecture de l'etat initial
16	! "interface"
17	! interffin : routine d'ecriture de l'etat de redemmarage de l'interface
18	!
19	!
20	! L. Fairhead, LMD, 02/2000
21
22	USE ioipsl
23
24	IMPLICIT none
25
26	PRIVATE
27	PUBLIC :: interfsurf,interfsurf_hq, gath2cpl
28
29	INTERFACE interfsurf
30	module procedure interfsurf_hq, interfsurf_vent
31	END INTERFACE
32
33	INTERFACE interfoce
34	module procedure interfoce_cpl, interfoce_slab, interfoce_lim
35	END INTERFACE
36
37	#include "YOMCST.inc"
38	#include "indicesol.inc"
39
40
41	! run_off ruissellement total
42	real, allocatable, dimension(:),save :: run_off
43	real, allocatable, dimension(:),save :: coastalflow, riverflow
44	!!$PB
45	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: tmp_rriv, tmp_rcoa
46	!! pour simuler la fonte des glaciers antarctiques
47	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: coeff_iceberg
48	real, save :: surf_maille
49	real, save :: cte_flux_iceberg = 6.3e7
50	integer, save :: num_antarctic = 1
51	!!$
52	CONTAINS
53	!
54	!############################################################################
55	!
56	SUBROUTINE interfsurf_hq(itime, dtime, date0, jour, rmu0, &
57	& klon, iim, jjm, nisurf, knon, knindex, pctsrf, &
58	& rlon, rlat, cufi, cvfi,&
59	& debut, lafin, ok_veget, soil_model, nsoilmx, tsoil,&
60	& zlev, u1_lay, v1_lay, temp_air, spechum, epot_air, ccanopy, &
61	& tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, &
62	& precip_rain, precip_snow, sollw, sollwdown, swnet, swdown, &
63	& fder, taux, tauy, rugos, rugoro, &
64	& albedo, snow, qsol, &
65	& tsurf, p1lay, ps, radsol, &
66	& ocean, npas, nexca, zmasq, &
67	& evap, fluxsens, fluxlat, dflux_l, dflux_s, &
68	& tsol_rad, tsurf_new, alb_new, alblw, emis_new, &
69	& z0_new, pctsrf_new, agesno)
70
71
72	! Cette routine sert d'aiguillage entre l'atmosphere et la surface en general
73	! (sols continentaux, oceans, glaces) pour les fluxs de chaleur et d'humidite.
74	! En pratique l'interface se fait entre la couche limite du modele
75	! atmospherique (clmain.F) et les routines de surface (sechiba, oasis, ...)
76	!
77	!
78	! L.Fairhead 02/2000
79	!
80	! input:
81	! itime numero du pas de temps
82	! klon nombre total de points de grille
83	! iim, jjm nbres de pts de grille
84	! dtime pas de temps de la physique (en s)
85	! date0 jour initial
86	! jour jour dans l'annee en cours,
87	! rmu0 cosinus de l'angle solaire zenithal
88	! nexca pas de temps couplage
89	! nisurf index de la surface a traiter (1 = sol continental)
90	! knon nombre de points de la surface a traiter
91	! knindex index des points de la surface a traiter
92	! pctsrf tableau des pourcentages de surface de chaque maille
93	! rlon longitudes
94	! rlat latitudes
95	! cufi,cvfi resolution des mailles en x et y (m)
96	! debut logical: 1er appel a la physique
97	! lafin logical: dernier appel a la physique
98	! ok_veget logical: appel ou non au schema de surface continental
99	! (si false calcul simplifie des fluxs sur les continents)
100	! zlev hauteur de la premiere couche
101	! u1_lay vitesse u 1ere couche
102	! v1_lay vitesse v 1ere couche
103	! temp_air temperature de l'air 1ere couche
104	! spechum humidite specifique 1ere couche
105	! epot_air temp potentielle de l'air
106	! ccanopy concentration CO2 canopee
107	! tq_cdrag cdrag
108	! petAcoef coeff. A de la resolution de la CL pour t
109	! peqAcoef coeff. A de la resolution de la CL pour q
110	! petBcoef coeff. B de la resolution de la CL pour t
111	! peqBcoef coeff. B de la resolution de la CL pour q
112	! precip_rain precipitation liquide
113	! precip_snow precipitation solide
114	! sollw flux IR net a la surface
115	! sollwdown flux IR descendant a la surface
116	! swnet flux solaire net
117	! swdown flux solaire entrant a la surface
118	! albedo albedo de la surface
119	! tsurf temperature de surface
120	! p1lay pression 1er niveau (milieu de couche)
121	! ps pression au sol
122	! radsol rayonnement net aus sol (LW + SW)
123	! ocean type d'ocean utilise (force, slab, couple)
124	! fder derivee des flux (pour le couplage)
125	! taux, tauy tension de vents
126	! rugos rugosite
127	! zmasq masque terre/ocean
128	! rugoro rugosite orographique
129	!
130	! output:
131	! evap evaporation totale
132	! fluxsens flux de chaleur sensible
133	! fluxlat flux de chaleur latente
134	! tsol_rad
135	! tsurf_new temperature au sol
136	! alb_new albedo
137	! emis_new emissivite
138	! z0_new surface roughness
139	! pctsrf_new nouvelle repartition des surfaces
140
141
142	! Parametres d'entree
143	integer, intent(IN) :: itime
144	integer, intent(IN) :: iim, jjm
145	integer, intent(IN) :: klon
146	real, intent(IN) :: dtime
147	real, intent(IN) :: date0
148	integer, intent(IN) :: jour
149	real, intent(IN) :: rmu0(klon)
150	integer, intent(IN) :: nisurf
151	integer, intent(IN) :: knon
152	integer, dimension(klon), intent(in) :: knindex
153	real, dimension(klon,nbsrf), intent(IN) :: pctsrf
154	logical, intent(IN) :: debut, lafin, ok_veget
155	real, dimension(klon), intent(IN) :: rlon, rlat
156	real, dimension(klon), intent(IN) :: cufi, cvfi
157	real, dimension(klon), intent(INOUT) :: tq_cdrag
158	real, dimension(klon), intent(IN) :: zlev
159	real, dimension(klon), intent(IN) :: u1_lay, v1_lay
160	real, dimension(klon), intent(IN) :: temp_air, spechum
161	real, dimension(klon), intent(IN) :: epot_air, ccanopy
162	real, dimension(klon), intent(IN) :: petAcoef, peqAcoef
163	real, dimension(klon), intent(IN) :: petBcoef, peqBcoef
164	real, dimension(klon), intent(IN) :: precip_rain, precip_snow
165	real, dimension(klon), intent(IN) :: sollw, sollwdown, swnet, swdown
166	real, dimension(klon), intent(IN) :: ps, albedo
167	real, dimension(klon), intent(IN) :: tsurf, p1lay
168	REAL, DIMENSION(klon), INTENT(INOUT) :: radsol,fder
169	real, dimension(klon), intent(IN) :: zmasq
170	real, dimension(klon), intent(IN) :: taux, tauy, rugos, rugoro
171	character (len = 6) :: ocean
172	integer :: npas, nexca ! nombre et pas de temps couplage
173	real, dimension(klon), intent(INOUT) :: evap, snow, qsol
174	!! PB ajout pour soil
175	logical :: soil_model
176	integer :: nsoilmx
177	REAL, DIMENSION(klon, nsoilmx) :: tsoil
178	REAL, dimension(klon) :: soilcap
179	REAL, dimension(klon) :: soilflux
180	! Parametres de sortie
181	real, dimension(klon), intent(OUT):: fluxsens, fluxlat
182	real, dimension(klon), intent(OUT):: tsol_rad, tsurf_new, alb_new
183	real, dimension(klon), intent(OUT):: alblw
184	real, dimension(klon), intent(OUT):: emis_new, z0_new
185	real, dimension(klon), intent(OUT):: dflux_l, dflux_s
186	real, dimension(klon,nbsrf), intent(OUT) :: pctsrf_new
187	real, dimension(klon), intent(INOUT):: agesno
188
189	! Local
190	character (len = 20),save :: modname = 'interfsurf_hq'
191	character (len = 80) :: abort_message
192	logical, save :: first_call = .true.
193	integer, save :: error
194	integer :: ii, index
195	logical,save :: check = .false.
196	real, dimension(klon):: cal, beta, dif_grnd, capsol
197	!!$PB real, parameter :: calice=1.0/(5.1444e+060.15), tau_gl=86400.5.
198	real, parameter :: calice=1.0/(5.1444e+060.15), tau_gl=86400.5.
199	real, parameter :: calsno=1./(2.3867e+06*.15)
200	real, dimension(klon):: alb_ice
201	real, dimension(klon):: tsurf_temp
202	!! real, allocatable, dimension(:), save :: alb_neig_grid
203	real, dimension(klon):: alb_neig, alb_eau
204	real, DIMENSION(klon):: zfra
205	logical :: cumul = .false.
206
207	if (check) write(,) 'Entree ', modname
208	!
209	! On doit commencer par appeler les schemas de surfaces continentales
210	! car l'ocean a besoin du ruissellement qui est y calcule
211	!
212	if (first_call) then
213	if (nisurf /= is_ter .and. klon > 1) then
214	write(,)' * Warning *'
215	write(,)' nisurf = ',nisurf,' /= is_ter = ',is_ter
216	write(,)'or on doit commencer par les surfaces continentales'
217	abort_message='voir ci-dessus'
218	call abort_gcm(modname,abort_message,1)
219	endif
220	if (ocean /= 'slab ' .and. ocean /= 'force ' .and. ocean /= 'couple') then
221	write(,)' * Warning *'
222	write(,)'Option couplage pour l''ocean = ', ocean
223	abort_message='option pour l''ocean non valable'
224	call abort_gcm(modname,abort_message,1)
225	endif
226	if ( is_oce > is_sic ) then
227	write(,)' * Warning *'
228	write(,)' Pour des raisons de sequencement dans le code'
229	write(,)' l''ocean doit etre traite avant la banquise'
230	write(,)' or is_oce = ',is_oce, '> is_sic = ',is_sic
231	abort_message='voir ci-dessus'
232	call abort_gcm(modname,abort_message,1)
233	endif
234	! allocate(alb_neig_grid(klon), stat = error)
235	! if (error /= 0) then
236	! abort_message='Pb allocation alb_neig_grid'
237	! call abort_gcm(modname,abort_message,1)
238	! endif
239	endif
240	first_call = .false.
241
242	! Initialisations diverses
243	!
244	!!$ cal=0.; beta=1.; dif_grnd=0.; capsol=0.
245	!!$ alb_new = 0.; z0_new = 0.; alb_neig = 0.0
246	!!$! PB
247	!!$ tsurf_new = 0.
248
249	cal = 999999. ; beta = 999999. ; dif_grnd = 999999. ; capsol = 999999.
250	alb_new = 999999. ; z0_new = 999999. ; alb_neig = 999999.
251	tsurf_new = 999999.
252	alblw = 999999.
253	! Aiguillage vers les differents schemas de surface
254
255	if (nisurf == is_ter) then
256	!
257	! Surface "terre" appel a l'interface avec les sols continentaux
258	!
259	! allocation du run-off
260	if (.not. allocated(coastalflow)) then
261	allocate(coastalflow(knon), stat = error)
262	if (error /= 0) then
263	abort_message='Pb allocation coastalflow'
264	call abort_gcm(modname,abort_message,1)
265	endif
266	allocate(riverflow(knon), stat = error)
267	if (error /= 0) then
268	abort_message='Pb allocation riverflow'
269	call abort_gcm(modname,abort_message,1)
270	endif
271	allocate(run_off(knon), stat = error)
272	if (error /= 0) then
273	abort_message='Pb allocation run_off'
274	call abort_gcm(modname,abort_message,1)
275	endif
276	!!$PB
277	ALLOCATE (tmp_rriv(iim,jjm+1), stat=error)
278	if (error /= 0) then
279	abort_message='Pb allocation tmp_rriv'
280	call abort_gcm(modname,abort_message,1)
281	endif
282	ALLOCATE (tmp_rcoa(iim,jjm+1), stat=error)
283	if (error /= 0) then
284	abort_message='Pb allocation tmp_rcoa'
285	call abort_gcm(modname,abort_message,1)
286	endif
287	!!$
288	else if (size(coastalflow) /= knon) then
289	write(,)'Bizarre, le nombre de points continentaux'
290	write(,)'a change entre deux appels. J''arrete ...'
291	abort_message='voir ci-dessus'
292	call abort_gcm(modname,abort_message,1)
293	endif
294	coastalflow = 0.
295	riverflow = 0.
296	!
297	! Calcul age de la neige
298	!
299	!!$ PB ATTENTION changement ordre des appels
300	!!$ CALL albsno(klon,agesno,alb_neig_grid)
301
302	if (.not. ok_veget) then
303	!
304	! calcul albedo: lecture albedo fichier CL puis ajout albedo neige
305	!
306	call interfsur_lim(itime, dtime, jour, &
307	& klon, nisurf, knon, knindex, debut, &
308	& alb_new, z0_new)
309	!
310	! calcul snow et qsol, hydrol adapté
311	!
312	CALL calbeta(dtime, nisurf, knon, snow, qsol, beta, capsol, dif_grnd)
313
314	IF (soil_model) THEN
315	CALL soil(dtime, nisurf, knon,snow, tsurf, tsoil,soilcap, soilflux)
316	cal(1:knon) = RCPD / soilcap(1:knon)
317	radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
318	ELSE
319	cal = RCPD * capsol
320	!!$ cal = capsol
321	ENDIF
322	CALL calcul_fluxs( klon, knon, nisurf, dtime, &
323	& tsurf, p1lay, cal, beta, tq_cdrag, ps, &
324	& precip_rain, precip_snow, snow, qsol, &
325	& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, &
326	& petAcoef, peqAcoef, petBcoef, peqBcoef, &
327	& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l)
328
329	CALL fonte_neige( klon, knon, nisurf, dtime, &
330	& tsurf, p1lay, cal, beta, tq_cdrag, ps, &
331	& precip_rain, precip_snow, snow, qsol, &
332	& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, &
333	& petAcoef, peqAcoef, petBcoef, peqBcoef, &
334	& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l)
335
336
337	call albsno(klon,knon,dtime,agesno(:),alb_neig(:), precip_snow(:))
338	where (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0.
339	zfra(1:knon) = max(0.0,min(1.0,snow(1:knon)/(snow(1:knon)+10.0)))
340	alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + &
341	& alb_new(1 : knon)*(1.0-zfra(1:knon))
342	z0_new = sqrt(z0_new2+rugoro2)
343	alblw(1 : knon) = alb_new(1 : knon)
344
345	else
346	!! CALL albsno(klon,agesno,alb_neig_grid)
347	!
348	! appel a sechiba
349	!
350	call interfsol(itime, klon, dtime, date0, nisurf, knon, &
351	& knindex, rlon, rlat, cufi, cvfi, iim, jjm, pctsrf, &
352	& debut, lafin, ok_veget, &
353	& zlev, u1_lay, v1_lay, temp_air, spechum, epot_air, ccanopy, &
354	& tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, &
355	& precip_rain, precip_snow, sollwdown, swnet, swdown, &
356	& tsurf, p1lay/100., ps/100., radsol, &
357	& evap, fluxsens, fluxlat, &
358	& tsol_rad, tsurf_new, alb_new, alblw, &
359	& emis_new, z0_new, dflux_l, dflux_s)
360
361	!
362	! ajout de la contribution du relief
363	!
364	z0_new = SQRT(z0_new2+rugoro2)
365
366	endif
367	!
368	! Remplissage des pourcentages de surface
369	!
370	pctsrf_new(:,nisurf) = pctsrf(:,nisurf)
371
372	else if (nisurf == is_oce) then
373
374	if (check) write(,)'ocean, nisurf = ',nisurf
375
376
377	!
378	! Surface "ocean" appel a l'interface avec l'ocean
379	!
380	if (ocean == 'couple') then
381	if (nexca == 0) then
382	abort_message='nexca = 0 dans interfoce_cpl'
383	call abort_gcm(modname,abort_message,1)
384	endif
385
386	cumul = .false.
387
388	call interfoce(itime, dtime, cumul, &
389	& klon, iim, jjm, nisurf, pctsrf, knon, knindex, rlon, rlat, &
390	& ocean, npas, nexca, debut, lafin, &
391	& swdown, sollw, precip_rain, precip_snow, evap, tsurf, &
392	& fluxlat, fluxsens, fder, albedo, taux, tauy, zmasq, &
393	& tsurf_new, alb_new, pctsrf_new)
394
395	! else if (ocean == 'slab ') then
396	! call interfoce(nisurf)
397	else ! lecture conditions limites
398	call interfoce(itime, dtime, jour, &
399	& klon, nisurf, knon, knindex, &
400	& debut, &
401	& tsurf_new, pctsrf_new)
402
403	endif
404
405	tsurf_temp = tsurf_new
406	cal = 0.
407	beta = 1.
408	dif_grnd = 0.
409	alb_neig(:) = 0.
410	agesno(:) = 0.
411
412	call calcul_fluxs( klon, knon, nisurf, dtime, &
413	& tsurf_temp, p1lay, cal, beta, tq_cdrag, ps, &
414	& precip_rain, precip_snow, snow, qsol, &
415	& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, &
416	& petAcoef, peqAcoef, petBcoef, peqBcoef, &
417	& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l)
418
419	fder = fder + dflux_s + dflux_l
420
421	!
422	! 2eme appel a interfoce pour le cumul des champs (en particulier
423	! fluxsens et fluxlat calcules dans calcul_fluxs)
424	!
425	if (ocean == 'couple') then
426
427	cumul = .true.
428
429	call interfoce(itime, dtime, cumul, &
430	& klon, iim, jjm, nisurf, pctsrf, knon, knindex, rlon, rlat, &
431	& ocean, npas, nexca, debut, lafin, &
432	& swdown, sollw, precip_rain, precip_snow, evap, tsurf, &
433	& fluxlat, fluxsens, fder, albedo, taux, tauy, zmasq, &
434	& tsurf_new, alb_new, pctsrf_new)
435
436	! else if (ocean == 'slab ') then
437	! call interfoce(nisurf)
438
439	endif
440
441	!
442	! calcul albedo
443	!
444
445	if ( minval(rmu0) == maxval(rmu0) .and. minval(rmu0) == -999.999 ) then
446	CALL alboc(FLOAT(jour),rlat,alb_eau)
447	else ! cycle diurne
448	CALL alboc_cd(rmu0,alb_eau)
449	endif
450	DO ii =1, knon
451	alb_new(ii) = alb_eau(knindex(ii))
452	enddo
453
454	z0_new = sqrt(rugos2 + rugoro2)
455	alblw(1:knon) = alb_new(1:knon)
456
457	!
458	else if (nisurf == is_sic) then
459
460	if (check) write(,)'sea ice, nisurf = ',nisurf
461
462	!
463	! Surface "glace de mer" appel a l'interface avec l'ocean
464	!
465	!
466	if (ocean == 'couple') then
467
468	cumul =.false.
469
470	call interfoce(itime, dtime, cumul, &
471	& klon, iim, jjm, nisurf, pctsrf, knon, knindex, rlon, rlat, &
472	& ocean, npas, nexca, debut, lafin, &
473	& swdown, sollw, precip_rain, precip_snow, evap, tsurf, &
474	& fluxlat, fluxsens, fder, albedo, taux, tauy, zmasq, &
475	& tsurf_new, alb_new, pctsrf_new)
476
477	tsurf_temp = tsurf_new
478	cal = 0.
479	dif_grnd = 0.
480	beta = 1.0
481
482	! else if (ocean == 'slab ') then
483	! call interfoce(nisurf)
484	ELSE
485	! ! lecture conditions limites
486	CALL interfoce(itime, dtime, jour, &
487	& klon, nisurf, knon, knindex, &
488	& debut, &
489	& tsurf_new, pctsrf_new)
490
491	CALL calbeta(dtime, nisurf, knon, snow, qsol, beta, capsol, dif_grnd)
492
493	IF (soil_model) THEN
494	CALL soil(dtime, nisurf, knon,snow, tsurf, tsoil,soilcap, soilflux)
495	cal(1:knon) = RCPD / soilcap(1:knon)
496	radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
497	dif_grnd = 0.
498	ELSE
499	dif_grnd = 1.0 / tau_gl
500	cal = RCPD * calice
501	WHERE (snow > 0.0) cal = RCPD * calsno
502	ENDIF
503	tsurf_temp = tsurf
504	beta = 1.0
505	ENDIF
506
507	CALL calcul_fluxs( klon, knon, nisurf, dtime, &
508	& tsurf_temp, p1lay, cal, beta, tq_cdrag, ps, &
509	& precip_rain, precip_snow, snow, qsol, &
510	& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, &
511	& petAcoef, peqAcoef, petBcoef, peqBcoef, &
512	& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l)
513
514	IF (ocean /= 'couple') THEN
515	CALL fonte_neige( klon, knon, nisurf, dtime, &
516	& tsurf_temp, p1lay, cal, beta, tq_cdrag, ps, &
517	& precip_rain, precip_snow, snow, qsol, &
518	& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, &
519	& petAcoef, peqAcoef, petBcoef, peqBcoef, &
520	& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l)
521
522	! calcul albedo
523
524	CALL albsno(klon,knon,dtime,agesno(:),alb_neig(:), precip_snow(:))
525	WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0.
526	zfra(1:knon) = MAX(0.0,MIN(1.0,snow(1:knon)/(snow(1:knon)+10.0)))
527	alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + &
528	& 0.6 * (1.0-zfra(1:knon))
529	!! alb_new(1 : knon) = 0.6
530	ENDIF
531
532	fder = fder + dflux_s + dflux_l
533
534	!
535	! 2eme appel a interfoce pour le cumul et le passage des flux a l'ocean
536	!
537	if (ocean == 'couple') then
538
539	cumul =.true.
540
541	call interfoce(itime, dtime, cumul, &
542	& klon, iim, jjm, nisurf, pctsrf, knon, knindex, rlon, rlat, &
543	& ocean, npas, nexca, debut, lafin, &
544	& swdown, sollw, precip_rain, precip_snow, evap, tsurf, &
545	& fluxlat, fluxsens, fder, albedo, taux, tauy, zmasq, &
546	& tsurf_new, alb_new, pctsrf_new)
547
548	! else if (ocean == 'slab ') then
549	! call interfoce(nisurf)
550
551	endif
552
553
554	z0_new = 0.001
555	z0_new = SQRT(z0_new2+rugoro2)
556	alblw(1:knon) = alb_new(1:knon)
557
558	else if (nisurf == is_lic) then
559
560	if (check) write(,)'glacier, nisurf = ',nisurf
561
562	!
563	! Surface "glacier continentaux" appel a l'interface avec le sol
564	!
565	! call interfsol(nisurf)
566	IF (soil_model) THEN
567	CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil,soilcap, soilflux)
568	cal(1:knon) = RCPD / soilcap(1:knon)
569	radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
570	ELSE
571	cal = RCPD * calice
572	WHERE (snow > 0.0) cal = RCPD * calsno
573	ENDIF
574	beta = 1.0
575	dif_grnd = 0.0
576
577	call calcul_fluxs( klon, knon, nisurf, dtime, &
578	& tsurf, p1lay, cal, beta, tq_cdrag, ps, &
579	& precip_rain, precip_snow, snow, qsol, &
580	& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, &
581	& petAcoef, peqAcoef, petBcoef, peqBcoef, &
582	& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l)
583
584	call fonte_neige( klon, knon, nisurf, dtime, &
585	& tsurf, p1lay, cal, beta, tq_cdrag, ps, &
586	& precip_rain, precip_snow, snow, qsol, &
587	& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, &
588	& petAcoef, peqAcoef, petBcoef, peqBcoef, &
589	& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l)
590
591	!
592	! calcul albedo
593	!
594	CALL albsno(klon,knon,dtime,agesno(:),alb_neig(:), precip_snow(:))
595	WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0.
596	zfra(1:knon) = MAX(0.0,MIN(1.0,snow(1:knon)/(snow(1:knon)+10.0)))
597	alb_new(1 : knon) = alb_neig(1 : knon)*zfra(1:knon) + &
598	& 0.6 * (1.0-zfra(1:knon))
599	!! alb_new(1 : knon) = 0.6
600	!
601	! Rugosite
602	!
603	z0_new = rugoro
604	!
605	! Remplissage des pourcentages de surface
606	!
607	pctsrf_new(:,nisurf) = pctsrf(:,nisurf)
608
609	alblw(1:knon) = alb_new(1:knon)
610	else
611	write(,)'Index surface = ',nisurf
612	abort_message = 'Index surface non valable'
613	call abort_gcm(modname,abort_message,1)
614	endif
615
616	END SUBROUTINE interfsurf_hq
617
618	!
619	!#########################################################################
620	!
621	SUBROUTINE interfsurf_vent(nisurf, knon &
622	& )
623	!
624	! Cette routine sert d'aiguillage entre l'atmosphere et la surface en general
625	! (sols continentaux, oceans, glaces) pour les tensions de vents.
626	! En pratique l'interface se fait entre la couche limite du modele
627	! atmospherique (clmain.F) et les routines de surface (sechiba, oasis, ...)
628	!
629	!
630	! L.Fairhead 02/2000
631	!
632	! input:
633	! nisurf index de la surface a traiter (1 = sol continental)
634	! knon nombre de points de la surface a traiter
635
636	! Parametres d'entree
637	integer, intent(IN) :: nisurf
638	integer, intent(IN) :: knon
639
640
641	return
642	END SUBROUTINE interfsurf_vent
643	!
644	!#########################################################################
645	!
646	SUBROUTINE interfsol(itime, klon, dtime, date0, nisurf, knon, &
647	& knindex, rlon, rlat, cufi, cvfi, iim, jjm, pctsrf, &
648	& debut, lafin, ok_veget, &
649	& zlev, u1_lay, v1_lay, temp_air, spechum, epot_air, ccanopy, &
650	& tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, &
651	& precip_rain, precip_snow, lwdown, swnet, swdown, &
652	& tsurf, p1lay, ps, radsol, &
653	& evap, fluxsens, fluxlat, &
654	& tsol_rad, tsurf_new, alb_new, alblw, &
655	& emis_new, z0_new, dflux_l, dflux_s)
656
657	USE intersurf
658
659	! Cette routine sert d'interface entre le modele atmospherique et le
660	! modele de sol continental. Appel a sechiba
661	!
662	! L. Fairhead 02/2000
663	!
664	! input:
665	! itime numero du pas de temps
666	! klon nombre total de points de grille
667	! dtime pas de temps de la physique (en s)
668	! nisurf index de la surface a traiter (1 = sol continental)
669	! knon nombre de points de la surface a traiter
670	! knindex index des points de la surface a traiter
671	! rlon longitudes de la grille entiere
672	! rlat latitudes de la grille entiere
673	! pctsrf tableau des fractions de surface de chaque maille
674	! debut logical: 1er appel a la physique (lire les restart)
675	! lafin logical: dernier appel a la physique (ecrire les restart)
676	! ok_veget logical: appel ou non au schema de surface continental
677	! (si false calcul simplifie des fluxs sur les continents)
678	! zlev hauteur de la premiere couche
679	! u1_lay vitesse u 1ere couche
680	! v1_lay vitesse v 1ere couche
681	! temp_air temperature de l'air 1ere couche
682	! spechum humidite specifique 1ere couche
683	! epot_air temp pot de l'air
684	! ccanopy concentration CO2 canopee
685	! tq_cdrag cdrag
686	! petAcoef coeff. A de la resolution de la CL pour t
687	! peqAcoef coeff. A de la resolution de la CL pour q
688	! petBcoef coeff. B de la resolution de la CL pour t
689	! peqBcoef coeff. B de la resolution de la CL pour q
690	! precip_rain precipitation liquide
691	! precip_snow precipitation solide
692	! lwdown flux IR descendant a la surface
693	! swnet flux solaire net
694	! swdown flux solaire entrant a la surface
695	! tsurf temperature de surface
696	! p1lay pression 1er niveau (milieu de couche)
697	! ps pression au sol
698	! radsol rayonnement net aus sol (LW + SW)
699	!
700	!
701	! input/output
702	! run_off ruissellement total
703	!
704	! output:
705	! evap evaporation totale
706	! fluxsens flux de chaleur sensible
707	! fluxlat flux de chaleur latente
708	! tsol_rad
709	! tsurf_new temperature au sol
710	! alb_new albedo
711	! emis_new emissivite
712	! z0_new surface roughness
713
714
715	! Parametres d'entree
716	integer, intent(IN) :: itime
717	integer, intent(IN) :: klon
718	real, intent(IN) :: dtime
719	real, intent(IN) :: date0
720	integer, intent(IN) :: nisurf
721	integer, intent(IN) :: knon
722	integer, intent(IN) :: iim, jjm
723	integer, dimension(klon), intent(IN) :: knindex
724	logical, intent(IN) :: debut, lafin, ok_veget
725	real, dimension(klon,nbsrf), intent(IN) :: pctsrf
726	real, dimension(klon), intent(IN) :: rlon, rlat
727	real, dimension(klon), intent(IN) :: cufi, cvfi
728	real, dimension(klon), intent(IN) :: zlev
729	real, dimension(klon), intent(IN) :: u1_lay, v1_lay
730	real, dimension(klon), intent(IN) :: temp_air, spechum
731	real, dimension(klon), intent(IN) :: epot_air, ccanopy
732	real, dimension(klon), intent(INOUT) :: tq_cdrag
733	real, dimension(klon), intent(IN) :: petAcoef, peqAcoef
734	real, dimension(klon), intent(IN) :: petBcoef, peqBcoef
735	real, dimension(klon), intent(IN) :: precip_rain, precip_snow
736	real, dimension(klon), intent(IN) :: lwdown, swnet, swdown, ps
737	real, dimension(klon), intent(IN) :: tsurf, p1lay
738	real, dimension(klon), intent(IN) :: radsol
739	! Parametres de sortie
740	real, dimension(klon), intent(OUT):: evap, fluxsens, fluxlat
741	real, dimension(klon), intent(OUT):: tsol_rad, tsurf_new, alb_new, alblw
742	real, dimension(klon), intent(OUT):: emis_new, z0_new
743	real, dimension(klon), intent(OUT):: dflux_s, dflux_l
744
745	! Local
746	!
747	integer :: ii, ij, jj, igrid, ireal, i, index, iglob
748	integer :: error
749	character (len = 20) :: modname = 'interfsol'
750	character (len = 80) :: abort_message
751	logical,save :: check = .FALSE.
752	real, dimension(klon) :: cal, beta, dif_grnd, capsol
753	! type de couplage dans sechiba
754	! character (len=10) :: coupling = 'implicit'
755	! drapeaux controlant les appels dans SECHIBA
756	! type(control_type), save :: control_in
757	! coordonnees geographiques
758	real, allocatable, dimension(:,:), save :: lalo
759	! pts voisins
760	integer,allocatable, dimension(:,:), save :: neighbours
761	! fractions continents
762	real,allocatable, dimension(:), save :: contfrac
763	! resolution de la grille
764	real, allocatable, dimension (:,:), save :: resolution
765	! correspondance point n -> indices (i,j)
766	integer, allocatable, dimension(:,:), save :: correspond
767	! offset pour calculer les point voisins
768	integer, dimension(8,3), save :: off_ini
769	integer, dimension(8), save :: offset
770	! Identifieurs des fichiers restart et histoire
771	integer, save :: rest_id, hist_id
772	integer, save :: rest_id_stom, hist_id_stom
773	!
774	real, allocatable, dimension (:,:), save :: lon_scat, lat_scat
775
776	logical, save :: lrestart_read = .true. , lrestart_write = .false.
777
778	real, dimension(klon):: qsurf
779	real, dimension(klon):: snow, qsol
780	real, dimension(knon,2) :: albedo_out
781	! Pb de nomenclature
782	real, dimension(klon) :: petA_orc, peqA_orc
783	real, dimension(klon) :: petB_orc, peqB_orc
784	! Pb de correspondances de grilles
785	integer, dimension(:), save, allocatable :: ig, jg
786	integer :: indi, indj
787	integer, dimension(klon) :: ktindex
788	REAL, dimension(klon) :: bidule
789	! Essai cdrag
790	real, dimension(klon) :: cdrag
791
792	include 'temps.inc'
793
794	if (check) write(,)'Entree ', modname
795	if (check) write(,)'ok_veget = ',ok_veget
796
797	ktindex(:) = knindex(:) + iim - 1
798
799	! initialisation
800	if (debut) then
801
802	! Pb de correspondances de grilles
803	allocate(ig(klon))
804	allocate(jg(klon))
805	ig(1) = 1
806	jg(1) = 1
807	indi = 0
808	indj = 2
809	do igrid = 2, klon - 1
810	indi = indi + 1
811	if ( indi > iim) then
812	indi = 1
813	indj = indj + 1
814	endif
815	ig(igrid) = indi
816	jg(igrid) = indj
817	enddo
818	ig(klon) = 1
819	jg(klon) = jjm + 1
820	!
821	! Initialisation des offset
822	!
823	! offset bord ouest
824	off_ini(1,1) = - iim ; off_ini(2,1) = - iim + 1; off_ini(3,1) = 1
825	off_ini(4,1) = iim + 1; off_ini(5,1) = iim ; off_ini(6,1) = 2 * iim - 1
826	off_ini(7,1) = iim -1 ; off_ini(8,1) = - 1
827	! offset point normal
828	off_ini(1,2) = - iim ; off_ini(2,2) = - iim + 1; off_ini(3,2) = 1
829	off_ini(4,2) = iim + 1; off_ini(5,2) = iim ; off_ini(6,2) = iim - 1
830	off_ini(7,2) = -1 ; off_ini(8,2) = - iim - 1
831	! offset bord est
832	off_ini(1,3) = - iim; off_ini(2,3) = - 2 * iim + 1; off_ini(3,3) = - iim + 1
833	off_ini(4,3) = 1 ; off_ini(5,3) = iim ; off_ini(6,3) = iim - 1
834	off_ini(7,3) = -1 ; off_ini(8,3) = - iim - 1
835	!
836	! Initialisation des correspondances point -> indices i,j
837	!
838	if (( .not. allocated(correspond))) then
839	allocate(correspond(iim,jjm+1), stat = error)
840	if (error /= 0) then
841	abort_message='Pb allocation correspond'
842	call abort_gcm(modname,abort_message,1)
843	endif
844	endif
845	!
846	! Attention aux poles
847	!
848	do igrid = 1, knon
849	index = ktindex(igrid)
850	jj = int((index - 1)/iim) + 1
851	ij = index - (jj - 1) * iim
852	correspond(ij,jj) = igrid
853	enddo
854
855	! Allouer et initialiser le tableau de coordonnees du sol
856	!
857	if ((.not. allocated(lalo))) then
858	allocate(lalo(knon,2), stat = error)
859	if (error /= 0) then
860	abort_message='Pb allocation lalo'
861	call abort_gcm(modname,abort_message,1)
862	endif
863	endif
864	if ((.not. allocated(lon_scat))) then
865	allocate(lon_scat(iim,jjm+1), stat = error)
866	if (error /= 0) then
867	abort_message='Pb allocation lon_scat'
868	call abort_gcm(modname,abort_message,1)
869	endif
870	endif
871	if ((.not. allocated(lat_scat))) then
872	allocate(lat_scat(iim,jjm+1), stat = error)
873	if (error /= 0) then
874	abort_message='Pb allocation lat_scat'
875	call abort_gcm(modname,abort_message,1)
876	endif
877	endif
878	lon_scat = 0.
879	lat_scat = 0.
880	do igrid = 1, knon
881	index = knindex(igrid)
882	lalo(igrid,2) = rlon(index)
883	lalo(igrid,1) = rlat(index)
884	ij = index - int((index-1)/iim)*iim - 1
885	jj = 2 + int((index-1)/iim)
886	if (mod(index,iim) == 1 ) then
887	jj = 1 + int((index-1)/iim)
888	ij = iim
889	endif
890	! lon_scat(ij,jj) = rlon(index)
891	! lat_scat(ij,jj) = rlat(index)
892	enddo
893	index = 1
894	do jj = 2, jjm
895	do ij = 1, iim
896	index = index + 1
897	lon_scat(ij,jj) = rlon(index)
898	lat_scat(ij,jj) = rlat(index)
899	enddo
900	enddo
901	lon_scat(:,1) = lon_scat(:,2)
902	lat_scat(:,1) = rlat(1)
903	lon_scat(:,jjm+1) = lon_scat(:,2)
904	lat_scat(:,jjm+1) = rlat(klon)
905	! Pb de correspondances de grilles!
906	! do igrid = 1, knon
907	! index = ktindex(igrid)
908	! ij = ig(index)
909	! jj = jg(index)
910	! lon_scat(ij,jj) = rlon(index)
911	! lat_scat(ij,jj) = rlat(index)
912	! enddo
913
914	!
915	! Allouer et initialiser le tableau des voisins et des fraction de continents
916	!
917	if ( (.not.allocated(neighbours))) THEN
918	allocate(neighbours(knon,8), stat = error)
919	if (error /= 0) then
920	abort_message='Pb allocation neighbours'
921	call abort_gcm(modname,abort_message,1)
922	endif
923	endif
924	neighbours = -1.
925	if (( .not. allocated(contfrac))) then
926	allocate(contfrac(knon), stat = error)
927	if (error /= 0) then
928	abort_message='Pb allocation contfrac'
929	call abort_gcm(modname,abort_message,1)
930	endif
931	endif
932
933	do igrid = 1, knon
934	ireal = knindex(igrid)
935	contfrac(igrid) = pctsrf(ireal,is_ter)
936	enddo
937
938	do igrid = 1, knon
939	iglob = ktindex(igrid)
940	if (mod(iglob, iim) == 1) then
941	offset = off_ini(:,1)
942	else if(mod(iglob, iim) == 0) then
943	offset = off_ini(:,3)
944	else
945	offset = off_ini(:,2)
946	endif
947	do i = 1, 8
948	index = iglob + offset(i)
949	ireal = (min(max(1, index - iim + 1), klon))
950	if (pctsrf(ireal, is_ter) > EPSFRA) then
951	jj = int((index - 1)/iim) + 1
952	ij = index - (jj - 1) * iim
953	neighbours(igrid, i) = correspond(ij, jj)
954	endif
955	enddo
956	enddo
957
958	!
959	! Allocation et calcul resolutions
960	IF ( (.NOT.ALLOCATED(resolution))) THEN
961	ALLOCATE(resolution(knon,2), stat = error)
962	if (error /= 0) then
963	abort_message='Pb allocation resolution'
964	call abort_gcm(modname,abort_message,1)
965	endif
966	ENDIF
967	do igrid = 1, knon
968	ij = knindex(igrid)
969	resolution(igrid,1) = cufi(ij)
970	resolution(igrid,2) = cvfi(ij)
971	enddo
972
973	endif ! (fin debut)
974
975	!
976	! Appel a la routine sols continentaux
977	!
978	if (lafin) lrestart_write = .true.
979	if (check) write(,)'lafin ',lafin,lrestart_write
980
981	petA_orc = petBcoef * dtime
982	petB_orc = petAcoef
983	peqA_orc = peqBcoef * dtime
984	peqB_orc = peqAcoef
985
986	cdrag = 0.
987	cdrag(1:knon) = tq_cdrag(1:knon)
988
989	where(cdrag > 0.01)
990	cdrag = 0.01
991	endwhere
992	! write(,)'Cdrag = ',minval(cdrag),maxval(cdrag)
993
994	!
995	! Init Orchidee
996	!
997	if (debut) then
998	call intersurf_main (itime+itau_phy-1, iim, jjm+1, knon, ktindex, dtime, &
999	& lrestart_read, lrestart_write, lalo, &
1000	& contfrac, neighbours, resolution, date0, &
1001	& zlev, u1_lay, v1_lay, spechum, temp_air, epot_air, ccanopy, &
1002	& cdrag, petA_orc, peqA_orc, petB_orc, peqB_orc, &
1003	& precip_rain, precip_snow, lwdown, swnet, swdown, ps, &
1004	& evap, fluxsens, fluxlat, coastalflow, riverflow, &
1005	& tsol_rad, tsurf_new, qsurf, albedo_out, emis_new, z0_new, &
1006	& lon_scat, lat_scat)
1007	endif
1008
1009	call intersurf_main (itime+itau_phy, iim, jjm+1, knon, ktindex, dtime, &
1010	& lrestart_read, lrestart_write, lalo, &
1011	& contfrac, neighbours, resolution, date0, &
1012	& zlev, u1_lay, v1_lay, spechum, temp_air, epot_air, ccanopy, &
1013	& cdrag, petA_orc, peqA_orc, petB_orc, peqB_orc, &
1014	& precip_rain, precip_snow, lwdown, swnet, swdown, ps, &
1015	& evap, fluxsens, fluxlat, coastalflow, riverflow, &
1016	& tsol_rad, tsurf_new, qsurf, albedo_out, emis_new, z0_new, &
1017	& lon_scat, lat_scat)
1018
1019	bidule=0.
1020	bidule(1:knon)=riverflow(1:knon)
1021	call gath2cpl(bidule, tmp_rriv, klon, knon,iim,jjm,ktindex)
1022	bidule=0.
1023	bidule(1:knon)=coastalflow(1:knon)
1024	call gath2cpl(bidule, tmp_rcoa, klon, knon,iim,jjm,ktindex)
1025	alb_new(1:knon) = albedo_out(1:knon,1)
1026	alblw(1:knon) = albedo_out(1:knon,2)
1027
1028
1029	! Convention orchidee: positif vers le haut
1030	fluxsens(1:knon) = -1. * fluxsens(1:knon)
1031	fluxlat(1:knon) = -1. * fluxlat(1:knon)
1032
1033	! evap = -1. * evap
1034
1035	if (debut) lrestart_read = .false.
1036
1037	END SUBROUTINE interfsol
1038	!
1039	!#########################################################################
1040	!
1041	SUBROUTINE interfoce_cpl(itime, dtime, cumul, &
1042	& klon, iim, jjm, nisurf, pctsrf, knon, knindex, rlon, rlat, &
1043	& ocean, npas, nexca, debut, lafin, &
1044	& swdown, lwdown, precip_rain, precip_snow, evap, tsurf, &
1045	& fluxlat, fluxsens, fder, albsol, taux, tauy, zmasq, &
1046	& tsurf_new, alb_new, pctsrf_new)
1047
1048	! Cette routine sert d'interface entre le modele atmospherique et un
1049	! coupleur avec un modele d'ocean 'complet' derriere
1050	!
1051	! Le modele de glace qu'il est prevu d'utiliser etant couple directement a
1052	! l'ocean presentement, on va passer deux fois dans cette routine par pas de
1053	! temps physique, une fois avec les points oceans et l'autre avec les points
1054	! glace. A chaque pas de temps de couplage, la lecture des champs provenant
1055	! du coupleur se fera "dans" l'ocean et l'ecriture des champs a envoyer
1056	! au coupleur "dans" la glace. Il faut donc des tableaux de travail "tampons"
1057	! dimensionnes sur toute la grille qui remplissent les champs sur les
1058	! domaines ocean/glace quand il le faut. Il est aussi necessaire que l'index
1059	! ocean soit traiter avant l'index glace (sinon tout intervertir)
1060	!
1061	!
1062	! L. Fairhead 02/2000
1063	!
1064	! input:
1065	! itime numero du pas de temps
1066	! iim, jjm nbres de pts de grille
1067	! dtime pas de temps de la physique
1068	! klon nombre total de points de grille
1069	! nisurf index de la surface a traiter (1 = sol continental)
1070	! pctsrf tableau des fractions de surface de chaque maille
1071	! knon nombre de points de la surface a traiter
1072	! knindex index des points de la surface a traiter
1073	! rlon longitudes
1074	! rlat latitudes
1075	! debut logical: 1er appel a la physique
1076	! lafin logical: dernier appel a la physique
1077	! ocean type d'ocean
1078	! nexca frequence de couplage
1079	! swdown flux solaire entrant a la surface
1080	! lwdown flux IR net a la surface
1081	! precip_rain precipitation liquide
1082	! precip_snow precipitation solide
1083	! evap evaporation
1084	! tsurf temperature de surface
1085	! fder derivee dF/dT
1086	! albsol albedo du sol (coherent avec swdown)
1087	! taux tension de vent en x
1088	! tauy tension de vent en y
1089	! nexca frequence de couplage
1090	! zmasq masque terre/ocean
1091	!
1092	!
1093	! output:
1094	! tsurf_new temperature au sol
1095	! alb_new albedo
1096	! pctsrf_new nouvelle repartition des surfaces
1097	! alb_ice albedo de la glace
1098	!
1099
1100
1101	! Parametres d'entree
1102	integer, intent(IN) :: itime
1103	integer, intent(IN) :: iim, jjm
1104	real, intent(IN) :: dtime
1105	integer, intent(IN) :: klon
1106	integer, intent(IN) :: nisurf
1107	integer, intent(IN) :: knon
1108	real, dimension(klon,nbsrf), intent(IN) :: pctsrf
1109	integer, dimension(klon), intent(in) :: knindex
1110	logical, intent(IN) :: debut, lafin
1111	real, dimension(klon), intent(IN) :: rlon, rlat
1112	character (len = 6) :: ocean
1113	real, dimension(klon), intent(IN) :: lwdown, swdown
1114	real, dimension(klon), intent(IN) :: precip_rain, precip_snow
1115	real, dimension(klon), intent(IN) :: tsurf, fder, albsol, taux, tauy
1116	INTEGER :: nexca, npas, kstep
1117	real, dimension(klon), intent(IN) :: zmasq
1118	real, dimension(klon), intent(IN) :: fluxlat, fluxsens
1119	logical, intent(IN) :: cumul
1120	real, dimension(klon), intent(INOUT) :: evap
1121
1122	! Parametres de sortie
1123	real, dimension(klon), intent(OUT):: tsurf_new, alb_new
1124	real, dimension(klon,nbsrf), intent(OUT) :: pctsrf_new
1125
1126	! Variables locales
1127	integer :: j, error, sum_error, ig, cpl_index,i
1128	character (len = 20) :: modname = 'interfoce_cpl'
1129	character (len = 80) :: abort_message
1130	logical,save :: check = .FALSE.
1131	! variables pour moyenner les variables de couplage
1132	real, allocatable, dimension(:,:),save :: cpl_sols, cpl_nsol, cpl_rain
1133	real, allocatable, dimension(:,:),save :: cpl_snow, cpl_evap, cpl_tsol
1134	real, allocatable, dimension(:,:),save :: cpl_fder, cpl_albe, cpl_taux
1135	!!$PB real, allocatable, dimension(:,:),save :: cpl_tauy, cpl_rriv, cpl_rcoa
1136	real, allocatable, dimension(:,:),save :: cpl_tauy
1137	real, allocatable, dimension(:,:),save :: cpl_rriv, cpl_rcoa
1138	!!$
1139	! variables tampons avant le passage au coupleur
1140	real, allocatable, dimension(:,:,:),save :: tmp_sols, tmp_nsol, tmp_rain
1141	real, allocatable, dimension(:,:,:),save :: tmp_snow, tmp_evap, tmp_tsol
1142	real, allocatable, dimension(:,:,:),save :: tmp_fder, tmp_albe, tmp_taux
1143	!!$ real, allocatable, dimension(:,:,:),save :: tmp_tauy, tmp_rriv, tmp_rcoa
1144	REAL, ALLOCATABLE, DIMENSION(:,:,:),SAVE :: tmp_tauy
1145	! variables a passer au coupleur
1146	real, dimension(iim, jjm+1) :: wri_sol_ice, wri_sol_sea, wri_nsol_ice
1147	real, dimension(iim, jjm+1) :: wri_nsol_sea, wri_fder_ice, wri_evap_ice
1148	REAL, DIMENSION(iim, jjm+1) :: wri_evap_sea, wri_rcoa, wri_rriv
1149	REAL, DIMENSION(iim, jjm+1) :: wri_rain, wri_snow, wri_taux, wri_tauy
1150	REAL, DIMENSION(iim, jjm+1) :: wri_tauxx, wri_tauyy, wri_tauzz
1151	REAL, DIMENSION(iim, jjm+1) :: tmp_lon, tmp_lat
1152	! variables relues par le coupleur
1153	! read_sic = fraction de glace
1154	! read_sit = temperature de glace
1155	real, allocatable, dimension(:,:),save :: read_sst, read_sic, read_sit
1156	real, allocatable, dimension(:,:),save :: read_alb_sic
1157	! variable tampon
1158	real, dimension(klon) :: tamp_sic
1159	! sauvegarde des fractions de surface d'un pas de temps a l'autre apres
1160	! l'avoir lu
1161	real, allocatable,dimension(:,:),save :: pctsrf_sav
1162	real, dimension(iim, jjm+1, 2) :: tamp_srf
1163	integer, allocatable, dimension(:), save :: tamp_ind
1164	real, allocatable, dimension(:,:),save :: tamp_zmasq
1165	real, dimension(iim, jjm+1) :: deno
1166	integer :: idtime
1167	integer, allocatable,dimension(:),save :: unity
1168	!
1169	logical, save :: first_appel = .true.
1170	logical,save :: print
1171	!maf
1172	! variables pour avoir une sortie IOIPSL des champs echanges
1173	CHARACTER*80,SAVE :: clintocplnam, clfromcplnam
1174	INTEGER, SAVE :: jf,nhoridct,nidct
1175	INTEGER, SAVE :: nhoridcs,nidcs
1176	INTEGER :: ndexct(iim(jjm+1)),ndexcs(iim(jjm+1))
1177	REAL :: zx_lon(iim,jjm+1), zx_lat(iim,jjm+1), zjulian
1178	integer :: idayref, itau_w
1179	include 'param_cou.h'
1180	include 'inc_cpl.h'
1181	include 'temps.inc'
1182	!
1183	! Initialisation
1184	!
1185	if (check) write(,)'Entree ',modname,'nisurf = ',nisurf
1186
1187	if (first_appel) then
1188	error = 0
1189	allocate(unity(klon), stat = error)
1190	if ( error /=0) then
1191	abort_message='Pb allocation variable unity'
1192	call abort_gcm(modname,abort_message,1)
1193	endif
1194	allocate(pctsrf_sav(klon,nbsrf), stat = error)
1195	if ( error /=0) then
1196	abort_message='Pb allocation variable pctsrf_sav'
1197	call abort_gcm(modname,abort_message,1)
1198	endif
1199	pctsrf_sav = 0.
1200
1201	do ig = 1, klon
1202	unity(ig) = ig
1203	enddo
1204	sum_error = 0
1205	allocate(cpl_sols(klon,2), stat = error); sum_error = sum_error + error
1206	allocate(cpl_nsol(klon,2), stat = error); sum_error = sum_error + error
1207	allocate(cpl_rain(klon,2), stat = error); sum_error = sum_error + error
1208	allocate(cpl_snow(klon,2), stat = error); sum_error = sum_error + error
1209	allocate(cpl_evap(klon,2), stat = error); sum_error = sum_error + error
1210	allocate(cpl_tsol(klon,2), stat = error); sum_error = sum_error + error
1211	allocate(cpl_fder(klon,2), stat = error); sum_error = sum_error + error
1212	allocate(cpl_albe(klon,2), stat = error); sum_error = sum_error + error
1213	allocate(cpl_taux(klon,2), stat = error); sum_error = sum_error + error
1214	allocate(cpl_tauy(klon,2), stat = error); sum_error = sum_error + error
1215	!!$PB
1216	!!$ allocate(cpl_rcoa(klon,2), stat = error); sum_error = sum_error + error
1217	!!$ allocate(cpl_rriv(klon,2), stat = error); sum_error = sum_error + error
1218	ALLOCATE(cpl_rriv(iim,jjm+1), stat=error); sum_error = sum_error + error
1219	ALLOCATE(cpl_rcoa(iim,jjm+1), stat=error); sum_error = sum_error + error
1220	!!
1221	allocate(read_sst(iim, jjm+1), stat = error); sum_error = sum_error + error
1222	allocate(read_sic(iim, jjm+1), stat = error); sum_error = sum_error + error
1223	allocate(read_sit(iim, jjm+1), stat = error); sum_error = sum_error + error
1224	allocate(read_alb_sic(iim, jjm+1), stat = error); sum_error = sum_error + error
1225
1226	if (sum_error /= 0) then
1227	abort_message='Pb allocation variables couplees'
1228	call abort_gcm(modname,abort_message,1)
1229	endif
1230	cpl_sols = 0.; cpl_nsol = 0.; cpl_rain = 0.; cpl_snow = 0.
1231	cpl_evap = 0.; cpl_tsol = 0.; cpl_fder = 0.; cpl_albe = 0.
1232	cpl_taux = 0.; cpl_tauy = 0.; cpl_rriv = 0.; cpl_rcoa = 0.
1233
1234	sum_error = 0
1235	allocate(tamp_ind(klon), stat = error); sum_error = sum_error + error
1236	allocate(tamp_zmasq(iim, jjm+1), stat = error); sum_error = sum_error + error
1237	do ig = 1, klon
1238	tamp_ind(ig) = ig
1239	enddo
1240	call gath2cpl(zmasq, tamp_zmasq, klon, klon, iim, jjm, tamp_ind)
1241	!
1242	! initialisation couplage
1243	!
1244	idtime = int(dtime)
1245	call inicma(npas , nexca, idtime,(jjm+1)*iim)
1246
1247	!
1248	! initialisation sorties netcdf
1249	!
1250	idayref = day_ini
1251	CALL ymds2ju(annee_ref, 1, idayref, 0.0, zjulian)
1252	CALL gr_fi_ecrit(1,klon,iim,jjm+1,rlon,zx_lon)
1253	DO i = 1, iim
1254	zx_lon(i,1) = rlon(i+1)
1255	zx_lon(i,jjm+1) = rlon(i+1)
1256	ENDDO
1257	CALL gr_fi_ecrit(1,klon,iim,jjm+1,rlat,zx_lat)
1258	clintocplnam="cpl_atm_tauflx"
1259	CALL histbeg(clintocplnam, iim,zx_lon(:,1),jjm+1,zx_lat(1,:),1,iim,1,jjm+1, &
1260	& itau_phy,zjulian,dtime,nhoridct,nidct)
1261	! no vertical axis
1262	CALL histdef(nidct, 'tauxe','tauxe', &
1263	& "-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
1264	CALL histdef(nidct, 'tauyn','tauyn', &
1265	& "-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
1266	CALL histdef(nidct, 'tmp_lon','tmp_lon', &
1267	& "-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
1268	CALL histdef(nidct, 'tmp_lat','tmp_lat', &
1269	& "-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
1270	DO jf=1,jpflda2o1 + jpflda2o2
1271	CALL histdef(nidct, cl_writ(jf),cl_writ(jf), &
1272	& "-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
1273	END DO
1274	CALL histend(nidct)
1275	CALL histsync(nidct)
1276
1277	clfromcplnam="cpl_atm_sst"
1278	CALL histbeg(clfromcplnam, iim,zx_lon(:,1),jjm+1,zx_lat(1,:),1,iim,1,jjm+1, &
1279	& 0,zjulian,dtime,nhoridcs,nidcs)
1280	! no vertical axis
1281	DO jf=1,jpfldo2a
1282	CALL histdef(nidcs, cl_read(jf),cl_read(jf), &
1283	& "-",iim, jjm+1, nhoridcs, 1, 1, 1, -99, 32, "inst", dtime,dtime)
1284	END DO
1285	CALL histend(nidcs)
1286	CALL histsync(nidcs)
1287
1288	! pour simuler la fonte des glaciers antarctiques
1289	!
1290	surf_maille = (4. * rpi * ra*2) / (iim (jjm +1))
1291	ALLOCATE(coeff_iceberg(iim,jjm+1), stat=error)
1292	if (error /= 0) then
1293	abort_message='Pb allocation variable coeff_iceberg'
1294	call abort_gcm(modname,abort_message,1)
1295	endif
1296	open (12,file='flux_iceberg',form='formatted',status='old')
1297	read (12,*) coeff_iceberg
1298	close (12)
1299	num_antarctic = max(1, count(coeff_iceberg > 0))
1300
1301	first_appel = .false.
1302	endif ! fin if (first_appel)
1303
1304	! Initialisations
1305
1306	! calcul des fluxs a passer
1307
1308	cpl_index = 1
1309	if (nisurf == is_sic) cpl_index = 2
1310	if (cumul) then
1311	if (check) write(,) modname, 'cumul des champs'
1312	do ig = 1, knon
1313	cpl_sols(ig,cpl_index) = cpl_sols(ig,cpl_index) &
1314	& + swdown(ig) / FLOAT(nexca)
1315	cpl_nsol(ig,cpl_index) = cpl_nsol(ig,cpl_index) &
1316	& + (lwdown(ig) + fluxlat(ig) +fluxsens(ig))&
1317	& / FLOAT(nexca)
1318	cpl_rain(ig,cpl_index) = cpl_rain(ig,cpl_index) &
1319	& + precip_rain(ig) / FLOAT(nexca)
1320	cpl_snow(ig,cpl_index) = cpl_snow(ig,cpl_index) &
1321	& + precip_snow(ig) / FLOAT(nexca)
1322	cpl_evap(ig,cpl_index) = cpl_evap(ig,cpl_index) &
1323	& + evap(ig) / FLOAT(nexca)
1324	cpl_tsol(ig,cpl_index) = cpl_tsol(ig,cpl_index) &
1325	& + tsurf(ig) / FLOAT(nexca)
1326	cpl_fder(ig,cpl_index) = cpl_fder(ig,cpl_index) &
1327	& + fder(ig) / FLOAT(nexca)
1328	cpl_albe(ig,cpl_index) = cpl_albe(ig,cpl_index) &
1329	& + albsol(ig) / FLOAT(nexca)
1330	cpl_taux(ig,cpl_index) = cpl_taux(ig,cpl_index) &
1331	& + taux(ig) / FLOAT(nexca)
1332	cpl_tauy(ig,cpl_index) = cpl_tauy(ig,cpl_index) &
1333	& + tauy(ig) / FLOAT(nexca)
1334	!!$ cpl_rriv(ig,cpl_index) = cpl_rriv(ig,cpl_index) &
1335	!!$ & + riverflow(ig) / FLOAT(nexca)/dtime
1336	!!$ cpl_rcoa(ig,cpl_index) = cpl_rcoa(ig,cpl_index) &
1337	!!$ & + coastalflow(ig) / FLOAT(nexca)/dtime
1338	enddo
1339	IF (cpl_index .EQ. 1) THEN
1340	cpl_rriv(:,:) = cpl_rriv(:,:) + tmp_rriv(:,:) / FLOAT(nexca)
1341	cpl_rcoa(:,:) = cpl_rcoa(:,:) + tmp_rcoa(:,:) / FLOAT(nexca)
1342	ENDIF
1343	endif
1344
1345	if (mod(itime, nexca) == 1) then
1346	!
1347	! Demande des champs au coupleur
1348	!
1349	! Si le domaine considere est l'ocean, on lit les champs venant du coupleur
1350	!
1351	if (nisurf == is_oce .and. .not. cumul) then
1352	if (check) write(,)'rentree fromcpl, itime-1 = ',itime-1
1353	call fromcpl(itime-1,(jjm+1)*iim, &
1354	& read_sst, read_sic, read_sit, read_alb_sic)
1355	!
1356	! sorties NETCDF des champs recus
1357	!
1358	ndexcs(:)=0
1359	itau_w = itau_phy + itime
1360	CALL histwrite(nidcs,cl_read(1),itau_w,read_sst,iim*(jjm+1),ndexcs)
1361	CALL histwrite(nidcs,cl_read(2),itau_w,read_sic,iim*(jjm+1),ndexcs)
1362	CALL histwrite(nidcs,cl_read(3),itau_w,read_alb_sic,iim*(jjm+1),ndexcs)
1363	CALL histwrite(nidcs,cl_read(4),itau_w,read_sit,iim*(jjm+1),ndexcs)
1364	CALL histsync(nidcs)
1365	! pas utile IF (npas-itime.LT.nexca )CALL histclo(nidcs)
1366
1367	do j = 1, jjm + 1
1368	do ig = 1, iim
1369	if (abs(1. - read_sic(ig,j)) < 0.00001) then
1370	read_sst(ig,j) = RTT - 1.8
1371	read_sit(ig,j) = read_sit(ig,j) / read_sic(ig,j)
1372	read_alb_sic(ig,j) = read_alb_sic(ig,j) / read_sic(ig,j)
1373	else if (abs(read_sic(ig,j)) < 0.00001) then
1374	read_sst(ig,j) = read_sst(ig,j) / (1. - read_sic(ig,j))
1375	read_sit(ig,j) = read_sst(ig,j)
1376	read_alb_sic(ig,j) = 0.6
1377	else
1378	read_sst(ig,j) = read_sst(ig,j) / (1. - read_sic(ig,j))
1379	read_sit(ig,j) = read_sit(ig,j) / read_sic(ig,j)
1380	read_alb_sic(ig,j) = read_alb_sic(ig,j) / read_sic(ig,j)
1381	endif
1382	enddo
1383	enddo
1384	!
1385	! transformer read_sic en pctsrf_sav
1386	!
1387	call cpl2gath(read_sic, tamp_sic , klon, klon,iim,jjm, unity)
1388	do ig = 1, klon
1389	IF (pctsrf(ig,is_oce) > epsfra .OR. &
1390	& pctsrf(ig,is_sic) > epsfra) THEN
1391	pctsrf_sav(ig,is_sic) = (pctsrf(ig,is_oce) + pctsrf(ig,is_sic)) &
1392	& * tamp_sic(ig)
1393	pctsrf_sav(ig,is_oce) = (pctsrf(ig,is_oce) + pctsrf(ig,is_sic)) &
1394	& - pctsrf_sav(ig,is_sic)
1395	endif
1396	enddo
1397	!
1398	! Pour rattraper des erreurs d'arrondis
1399	!
1400	where (abs(pctsrf_sav(:,is_sic)) .le. 2.*epsilon(pctsrf_sav(1,is_sic)))
1401	pctsrf_sav(:,is_sic) = 0.
1402	pctsrf_sav(:,is_oce) = pctsrf(:,is_oce) + pctsrf(:,is_sic)
1403	endwhere
1404	where (abs(pctsrf_sav(:,is_oce)) .le. 2.*epsilon(pctsrf_sav(1,is_oce)))
1405	pctsrf_sav(:,is_sic) = pctsrf(:,is_oce) + pctsrf(:,is_sic)
1406	pctsrf_sav(:,is_oce) = 0.
1407	endwhere
1408	if (minval(pctsrf_sav(:,is_oce)) < 0.) then
1409	write(,)'Pb fraction ocean inferieure a 0'
1410	write(,)'au point ',minloc(pctsrf_sav(:,is_oce))
1411	write(,)'valeur = ',minval(pctsrf_sav(:,is_oce))
1412	abort_message = 'voir ci-dessus'
1413	call abort_gcm(modname,abort_message,1)
1414	endif
1415	if (minval(pctsrf_sav(:,is_sic)) < 0.) then
1416	write(,)'Pb fraction glace inferieure a 0'
1417	write(,)'au point ',minloc(pctsrf_sav(:,is_sic))
1418	write(,)'valeur = ',minval(pctsrf_sav(:,is_sic))
1419	abort_message = 'voir ci-dessus'
1420	call abort_gcm(modname,abort_message,1)
1421	endif
1422	endif
1423	endif ! fin mod(itime, nexca) == 1
1424
1425	if (mod(itime, nexca) == 0) then
1426	!
1427	! allocation memoire
1428	if (nisurf == is_oce .and. (.not. cumul) ) then
1429	sum_error = 0
1430	allocate(tmp_sols(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1431	allocate(tmp_nsol(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1432	allocate(tmp_rain(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1433	allocate(tmp_snow(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1434	allocate(tmp_evap(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1435	allocate(tmp_tsol(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1436	allocate(tmp_fder(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1437	allocate(tmp_albe(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1438	allocate(tmp_taux(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1439	allocate(tmp_tauy(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1440	!!$ allocate(tmp_rriv(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1441	!!$ allocate(tmp_rcoa(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1442	if (sum_error /= 0) then
1443	abort_message='Pb allocation variables couplees pour l''ecriture'
1444	call abort_gcm(modname,abort_message,1)
1445	endif
1446	endif
1447
1448	!
1449	! Mise sur la bonne grille des champs a passer au coupleur
1450	!
1451	cpl_index = 1
1452	if (nisurf == is_sic) cpl_index = 2
1453	call gath2cpl(cpl_sols(1,cpl_index), tmp_sols(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1454	call gath2cpl(cpl_nsol(1,cpl_index), tmp_nsol(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1455	call gath2cpl(cpl_rain(1,cpl_index), tmp_rain(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1456	call gath2cpl(cpl_snow(1,cpl_index), tmp_snow(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1457	call gath2cpl(cpl_evap(1,cpl_index), tmp_evap(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1458	call gath2cpl(cpl_tsol(1,cpl_index), tmp_tsol(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1459	call gath2cpl(cpl_fder(1,cpl_index), tmp_fder(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1460	call gath2cpl(cpl_albe(1,cpl_index), tmp_albe(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1461	call gath2cpl(cpl_taux(1,cpl_index), tmp_taux(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1462	call gath2cpl(cpl_tauy(1,cpl_index), tmp_tauy(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1463	!!$ call gath2cpl(cpl_rriv(1,cpl_index), tmp_rriv(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1464	!!$ call gath2cpl(cpl_rcoa(1,cpl_index), tmp_rcoa(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1465
1466	!
1467	! Si le domaine considere est la banquise, on envoie les champs au coupleur
1468	!
1469	if (nisurf == is_sic .and. cumul) then
1470	wri_rain = 0.; wri_snow = 0.; wri_rcoa = 0.; wri_rriv = 0.
1471	wri_taux = 0.; wri_tauy = 0.
1472	call gath2cpl(pctsrf(1,is_oce), tamp_srf(1,1,1), klon, klon, iim, jjm, tamp_ind)
1473	call gath2cpl(pctsrf(1,is_sic), tamp_srf(1,1,2), klon, klon, iim, jjm, tamp_ind)
1474
1475	wri_sol_ice = tmp_sols(:,:,2)
1476	wri_sol_sea = tmp_sols(:,:,1)
1477	wri_nsol_ice = tmp_nsol(:,:,2)
1478	wri_nsol_sea = tmp_nsol(:,:,1)
1479	wri_fder_ice = tmp_fder(:,:,2)
1480	wri_evap_ice = tmp_evap(:,:,2)
1481	wri_evap_sea = tmp_evap(:,:,1)
1482	!!$PB
1483	wri_rriv = cpl_rriv(:,:)
1484	wri_rcoa = cpl_rcoa(:,:)
1485
1486	where (tamp_zmasq /= 1.)
1487	deno = tamp_srf(:,:,1) + tamp_srf(:,:,2)
1488	wri_rain = tmp_rain(:,:,1) * tamp_srf(:,:,1) / deno + &
1489	& tmp_rain(:,:,2) * tamp_srf(:,:,2) / deno
1490	wri_snow = tmp_snow(:,:,1) * tamp_srf(:,:,1) / deno + &
1491	& tmp_snow(:,:,2) * tamp_srf(:,:,2) / deno
1492	!!$PB
1493	!!$ wri_rriv = tmp_rriv(:,:,1) * tamp_srf(:,:,1) / deno + &
1494	!!$ & tmp_rriv(:,:,2) * tamp_srf(:,:,2) / deno
1495	!!$ wri_rcoa = tmp_rcoa(:,:,1) * tamp_srf(:,:,1) / deno + &
1496	!!$ & tmp_rcoa(:,:,2) * tamp_srf(:,:,2) / deno
1497	wri_taux = tmp_taux(:,:,1) * tamp_srf(:,:,1) / deno + &
1498	& tmp_taux(:,:,2) * tamp_srf(:,:,2) / deno
1499	wri_tauy = tmp_tauy(:,:,1) * tamp_srf(:,:,1) / deno + &
1500	& tmp_tauy(:,:,2) * tamp_srf(:,:,2) / deno
1501	endwhere
1502	!
1503	! pour simuler la fonte des glaciers antarctiques
1504	!
1505	wri_rain = wri_rain &
1506	& + coeff_iceberg * cte_flux_iceberg / (num_antarctic * surf_maille)
1507
1508	!
1509	! on passe les coordonnées de la grille
1510	!
1511
1512	CALL gr_fi_ecrit(1,klon,iim,jjm+1,rlon,tmp_lon)
1513	CALL gr_fi_ecrit(1,klon,iim,jjm+1,rlat,tmp_lat)
1514
1515	DO i = 1, iim
1516	tmp_lon(i,1) = rlon(i+1)
1517	tmp_lon(i,jjm + 1) = rlon(i+1)
1518	ENDDO
1519	!
1520	! sortie netcdf des champs pour le changement de repere
1521	!
1522	ndexct(:)=0
1523	CALL histwrite(nidct,'tauxe',itau_w,wri_taux,iim*(jjm+1),ndexct)
1524	CALL histwrite(nidct,'tauyn',itau_w,wri_tauy,iim*(jjm+1),ndexct)
1525	CALL histwrite(nidct,'tmp_lon',itau_w,tmp_lon,iim*(jjm+1),ndexct)
1526	CALL histwrite(nidct,'tmp_lat',itau_w,tmp_lat,iim*(jjm+1),ndexct)
1527
1528	!
1529	! calcul 3 coordonnées du vent
1530	!
1531	CALL atm2geo (iim , jjm + 1, wri_taux, wri_tauy, tmp_lon, tmp_lat, &
1532	& wri_tauxx, wri_tauyy, wri_tauzz )
1533	!
1534	! sortie netcdf des champs apres changement de repere et juste avant
1535	! envoi au coupleur
1536	!
1537	CALL histwrite(nidct,cl_writ(1),itau_w,wri_sol_ice,iim*(jjm+1),ndexct)
1538	CALL histwrite(nidct,cl_writ(2),itau_w,wri_sol_sea,iim*(jjm+1),ndexct)
1539	CALL histwrite(nidct,cl_writ(3),itau_w,wri_nsol_ice,iim*(jjm+1),ndexct)
1540	CALL histwrite(nidct,cl_writ(4),itau_w,wri_nsol_sea,iim*(jjm+1),ndexct)
1541	CALL histwrite(nidct,cl_writ(5),itau_w,wri_fder_ice,iim*(jjm+1),ndexct)
1542	CALL histwrite(nidct,cl_writ(6),itau_w,wri_evap_ice,iim*(jjm+1),ndexct)
1543	CALL histwrite(nidct,cl_writ(7),itau_w,wri_evap_sea,iim*(jjm+1),ndexct)
1544	CALL histwrite(nidct,cl_writ(8),itau_w,wri_rain,iim*(jjm+1),ndexct)
1545	CALL histwrite(nidct,cl_writ(9),itau_w,wri_snow,iim*(jjm+1),ndexct)
1546	CALL histwrite(nidct,cl_writ(10),itau_w,wri_rcoa,iim*(jjm+1),ndexct)
1547	CALL histwrite(nidct,cl_writ(11),itau_w,wri_rriv,iim*(jjm+1),ndexct)
1548	CALL histwrite(nidct,cl_writ(12),itau_w,wri_tauxx,iim*(jjm+1),ndexct)
1549	CALL histwrite(nidct,cl_writ(13),itau_w,wri_tauyy,iim*(jjm+1),ndexct)
1550	CALL histwrite(nidct,cl_writ(14),itau_w,wri_tauzz,iim*(jjm+1),ndexct)
1551	CALL histwrite(nidct,cl_writ(15),itau_w,wri_tauxx,iim*(jjm+1),ndexct)
1552	CALL histwrite(nidct,cl_writ(16),itau_w,wri_tauyy,iim*(jjm+1),ndexct)
1553	CALL histwrite(nidct,cl_writ(17),itau_w,wri_tauzz,iim*(jjm+1),ndexct)
1554	CALL histsync(nidct)
1555	! pas utile IF (lafin) CALL histclo(nidct)
1556
1557	call intocpl(itime, (jjm+1)*iim, wri_sol_ice, wri_sol_sea, wri_nsol_ice,&
1558	& wri_nsol_sea, wri_fder_ice, wri_evap_ice, wri_evap_sea, wri_rain, &
1559	& wri_snow, wri_rcoa, wri_rriv, wri_tauxx, wri_tauyy, wri_tauzz, &
1560	& wri_tauxx, wri_tauyy, wri_tauzz,lafin )
1561	!
1562	cpl_sols = 0.; cpl_nsol = 0.; cpl_rain = 0.; cpl_snow = 0.
1563	cpl_evap = 0.; cpl_tsol = 0.; cpl_fder = 0.; cpl_albe = 0.
1564	cpl_taux = 0.; cpl_tauy = 0.; cpl_rriv = 0.; cpl_rcoa = 0.
1565	!
1566	! deallocation memoire variables temporaires
1567	!
1568	sum_error = 0
1569	deallocate(tmp_sols, stat=error); sum_error = sum_error + error
1570	deallocate(tmp_nsol, stat=error); sum_error = sum_error + error
1571	deallocate(tmp_rain, stat=error); sum_error = sum_error + error
1572	deallocate(tmp_snow, stat=error); sum_error = sum_error + error
1573	deallocate(tmp_evap, stat=error); sum_error = sum_error + error
1574	deallocate(tmp_fder, stat=error); sum_error = sum_error + error
1575	deallocate(tmp_tsol, stat=error); sum_error = sum_error + error
1576	deallocate(tmp_albe, stat=error); sum_error = sum_error + error
1577	deallocate(tmp_taux, stat=error); sum_error = sum_error + error
1578	deallocate(tmp_tauy, stat=error); sum_error = sum_error + error
1579	!!$PB
1580	!!$ deallocate(tmp_rriv, stat=error); sum_error = sum_error + error
1581	!!$ deallocate(tmp_rcoa, stat=error); sum_error = sum_error + error
1582	if (sum_error /= 0) then
1583	abort_message='Pb deallocation variables couplees'
1584	call abort_gcm(modname,abort_message,1)
1585	endif
1586
1587	endif
1588
1589	endif ! fin (mod(itime, nexca) == 0)
1590	!
1591	! on range les variables lues/sauvegardees dans les bonnes variables de sortie
1592	!
1593	if (nisurf == is_oce) then
1594	call cpl2gath(read_sst, tsurf_new, klon, knon,iim,jjm, knindex)
1595	else if (nisurf == is_sic) then
1596	call cpl2gath(read_sit, tsurf_new, klon, knon,iim,jjm, knindex)
1597	call cpl2gath(read_alb_sic, alb_new, klon, knon,iim,jjm, knindex)
1598	endif
1599	pctsrf_new(:,nisurf) = pctsrf_sav(:,nisurf)
1600
1601	! if (lafin) call quitcpl
1602
1603	END SUBROUTINE interfoce_cpl
1604	!
1605	!#########################################################################
1606	!
1607
1608	SUBROUTINE interfoce_slab(nisurf)
1609
1610	! Cette routine sert d'interface entre le modele atmospherique et un
1611	! modele de 'slab' ocean
1612	!
1613	! L. Fairhead 02/2000
1614	!
1615	! input:
1616	! nisurf index de la surface a traiter (1 = sol continental)
1617	!
1618	! output:
1619	!
1620
1621	! Parametres d'entree
1622	integer, intent(IN) :: nisurf
1623
1624	END SUBROUTINE interfoce_slab
1625	!
1626	!#########################################################################
1627	!
1628	SUBROUTINE interfoce_lim(itime, dtime, jour, &
1629	& klon, nisurf, knon, knindex, &
1630	& debut, &
1631	& lmt_sst, pctsrf_new)
1632
1633	! Cette routine sert d'interface entre le modele atmospherique et un fichier
1634	! de conditions aux limites
1635	!
1636	! L. Fairhead 02/2000
1637	!
1638	! input:
1639	! itime numero du pas de temps courant
1640	! dtime pas de temps de la physique (en s)
1641	! jour jour a lire dans l'annee
1642	! nisurf index de la surface a traiter (1 = sol continental)
1643	! knon nombre de points dans le domaine a traiter
1644	! knindex index des points de la surface a traiter
1645	! klon taille de la grille
1646	! debut logical: 1er appel a la physique (initialisation)
1647	!
1648	! output:
1649	! lmt_sst SST lues dans le fichier de CL
1650	! pctsrf_new sous-maille fractionnelle
1651	!
1652
1653
1654	! Parametres d'entree
1655	integer, intent(IN) :: itime
1656	real , intent(IN) :: dtime
1657	integer, intent(IN) :: jour
1658	integer, intent(IN) :: nisurf
1659	integer, intent(IN) :: knon
1660	integer, intent(IN) :: klon
1661	integer, dimension(klon), intent(in) :: knindex
1662	logical, intent(IN) :: debut
1663
1664	! Parametres de sortie
1665	real, intent(out), dimension(klon) :: lmt_sst
1666	real, intent(out), dimension(klon,nbsrf) :: pctsrf_new
1667
1668	! Variables locales
1669	integer :: ii
1670	INTEGER,save :: lmt_pas ! frequence de lecture des conditions limites
1671	! (en pas de physique)
1672	logical,save :: deja_lu ! pour indiquer que le jour a lire a deja
1673	! lu pour une surface precedente
1674	integer,save :: jour_lu
1675	integer :: ierr
1676	character (len = 20) :: modname = 'interfoce_lim'
1677	character (len = 80) :: abort_message
1678	character (len = 20),save :: fich ='limit.nc'
1679	logical, save :: newlmt = .TRUE.
1680	logical, save :: check = .FALSE.
1681	! Champs lus dans le fichier de CL
1682	real, allocatable , save, dimension(:) :: sst_lu, rug_lu, nat_lu
1683	real, allocatable , save, dimension(:,:) :: pct_tmp
1684	!
1685	! quelques variables pour netcdf
1686	!
1687	#include "netcdf.inc"
1688	integer :: nid, nvarid
1689	integer, dimension(2) :: start, epais
1690	!
1691	! Fin déclaration
1692	!
1693
1694	if (debut .and. .not. allocated(sst_lu)) then
1695	lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour
1696	jour_lu = jour - 1
1697	allocate(sst_lu(klon))
1698	allocate(nat_lu(klon))
1699	allocate(pct_tmp(klon,nbsrf))
1700	endif
1701
1702	if ((jour - jour_lu) /= 0) deja_lu = .false.
1703
1704	if (check) write(,)modname,' :: jour, jour_lu, deja_lu', jour, jour_lu, deja_lu
1705	if (check) write(,)modname,' :: itime, lmt_pas ', itime, lmt_pas,dtime
1706
1707	! Tester d'abord si c'est le moment de lire le fichier
1708	if (mod(itime-1, lmt_pas) == 0 .and. .not. deja_lu) then
1709	!
1710	! Ouverture du fichier
1711	!
1712	fich = trim(fich)
1713	ierr = NF_OPEN (fich, NF_NOWRITE,nid)
1714	if (ierr.NE.NF_NOERR) then
1715	abort_message = 'Pb d''ouverture du fichier de conditions aux limites'
1716	call abort_gcm(modname,abort_message,1)
1717	endif
1718	!
1719	! La tranche de donnees a lire:
1720	!
1721	start(1) = 1
1722	start(2) = jour + 1
1723	epais(1) = klon
1724	epais(2) = 1
1725	!
1726	if (newlmt) then
1727	!
1728	! Fraction "ocean"
1729	!
1730	ierr = NF_INQ_VARID(nid, 'FOCE', nvarid)
1731	if (ierr /= NF_NOERR) then
1732	abort_message = 'Le champ <FOCE> est absent'
1733	call abort_gcm(modname,abort_message,1)
1734	endif
1735	#ifdef NC_DOUBLE
1736	ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais,pct_tmp(1,is_oce))
1737	#else
1738	ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais,pct_tmp(1,is_oce))
1739	#endif
1740	if (ierr /= NF_NOERR) then
1741	abort_message = 'Lecture echouee pour <FOCE>'
1742	call abort_gcm(modname,abort_message,1)
1743	endif
1744	!
1745	! Fraction "glace de mer"
1746	!
1747	ierr = NF_INQ_VARID(nid, 'FSIC', nvarid)
1748	if (ierr /= NF_NOERR) then
1749	abort_message = 'Le champ <FSIC> est absent'
1750	call abort_gcm(modname,abort_message,1)
1751	endif
1752	#ifdef NC_DOUBLE
1753	ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais,pct_tmp(1,is_sic))
1754	#else
1755	ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais,pct_tmp(1,is_sic))
1756	#endif
1757	if (ierr /= NF_NOERR) then
1758	abort_message = 'Lecture echouee pour <FSIC>'
1759	call abort_gcm(modname,abort_message,1)
1760	endif
1761	!
1762	! Fraction "terre"
1763	!
1764	ierr = NF_INQ_VARID(nid, 'FTER', nvarid)
1765	if (ierr /= NF_NOERR) then
1766	abort_message = 'Le champ <FTER> est absent'
1767	call abort_gcm(modname,abort_message,1)
1768	endif
1769	#ifdef NC_DOUBLE
1770	ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais,pct_tmp(1,is_ter))
1771	#else
1772	ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais,pct_tmp(1,is_ter))
1773	#endif
1774	if (ierr /= NF_NOERR) then
1775	abort_message = 'Lecture echouee pour <FTER>'
1776	call abort_gcm(modname,abort_message,1)
1777	endif
1778	!
1779	! Fraction "glacier terre"
1780	!
1781	ierr = NF_INQ_VARID(nid, 'FLIC', nvarid)
1782	if (ierr /= NF_NOERR) then
1783	abort_message = 'Le champ <FLIC> est absent'
1784	call abort_gcm(modname,abort_message,1)
1785	endif
1786	#ifdef NC_DOUBLE
1787	ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais,pct_tmp(1,is_lic))
1788	#else
1789	ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais,pct_tmp(1,is_lic))
1790	#endif
1791	if (ierr /= NF_NOERR) then
1792	abort_message = 'Lecture echouee pour <FLIC>'
1793	call abort_gcm(modname,abort_message,1)
1794	endif
1795	!
1796	else ! on en est toujours a rnatur
1797	!
1798	ierr = NF_INQ_VARID(nid, 'NAT', nvarid)
1799	if (ierr /= NF_NOERR) then
1800	abort_message = 'Le champ <NAT> est absent'
1801	call abort_gcm(modname,abort_message,1)
1802	endif
1803	#ifdef NC_DOUBLE
1804	ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais, nat_lu)
1805	#else
1806	ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, nat_lu)
1807	#endif
1808	if (ierr /= NF_NOERR) then
1809	abort_message = 'Lecture echouee pour <NAT>'
1810	call abort_gcm(modname,abort_message,1)
1811	endif
1812	!
1813	! Remplissage des fractions de surface
1814	! nat = 0, 1, 2, 3 pour ocean, terre, glacier, seaice
1815	!
1816	pct_tmp = 0.0
1817	do ii = 1, klon
1818	pct_tmp(ii,nint(nat_lu(ii)) + 1) = 1.
1819	enddo
1820
1821	!
1822	! On se retrouve avec ocean en 1 et terre en 2 alors qu'on veut le contraire
1823	!
1824	pctsrf_new = pct_tmp
1825	pctsrf_new (:,2)= pct_tmp (:,1)
1826	pctsrf_new (:,1)= pct_tmp (:,2)
1827	pct_tmp = pctsrf_new
1828	endif ! fin test sur newlmt
1829	!
1830	! Lecture SST
1831	!
1832	ierr = NF_INQ_VARID(nid, 'SST', nvarid)
1833	if (ierr /= NF_NOERR) then
1834	abort_message = 'Le champ <SST> est absent'
1835	call abort_gcm(modname,abort_message,1)
1836	endif
1837	#ifdef NC_DOUBLE
1838	ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais, sst_lu)
1839	#else
1840	ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, sst_lu)
1841	#endif
1842	if (ierr /= NF_NOERR) then
1843	abort_message = 'Lecture echouee pour <SST>'
1844	call abort_gcm(modname,abort_message,1)
1845	endif
1846
1847	!
1848	! Fin de lecture
1849	!
1850	ierr = NF_CLOSE(nid)
1851	deja_lu = .true.
1852	jour_lu = jour
1853	endif
1854	!
1855	! Recopie des variables dans les champs de sortie
1856	!
1857	lmt_sst = 999999999.
1858	do ii = 1, knon
1859	lmt_sst(ii) = sst_lu(knindex(ii))
1860	enddo
1861
1862	pctsrf_new(:,is_oce) = pct_tmp(:,is_oce)
1863	pctsrf_new(:,is_sic) = pct_tmp(:,is_sic)
1864
1865	END SUBROUTINE interfoce_lim
1866
1867	!
1868	!#########################################################################
1869	!
1870	SUBROUTINE interfsur_lim(itime, dtime, jour, &
1871	& klon, nisurf, knon, knindex, &
1872	& debut, &
1873	& lmt_alb, lmt_rug)
1874
1875	! Cette routine sert d'interface entre le modele atmospherique et un fichier
1876	! de conditions aux limites
1877	!
1878	! L. Fairhead 02/2000
1879	!
1880	! input:
1881	! itime numero du pas de temps courant
1882	! dtime pas de temps de la physique (en s)
1883	! jour jour a lire dans l'annee
1884	! nisurf index de la surface a traiter (1 = sol continental)
1885	! knon nombre de points dans le domaine a traiter
1886	! knindex index des points de la surface a traiter
1887	! klon taille de la grille
1888	! debut logical: 1er appel a la physique (initialisation)
1889	!
1890	! output:
1891	! lmt_sst SST lues dans le fichier de CL
1892	! lmt_alb Albedo lu
1893	! lmt_rug longueur de rugosité lue
1894	! pctsrf_new sous-maille fractionnelle
1895	!
1896
1897
1898	! Parametres d'entree
1899	integer, intent(IN) :: itime
1900	real , intent(IN) :: dtime
1901	integer, intent(IN) :: jour
1902	integer, intent(IN) :: nisurf
1903	integer, intent(IN) :: knon
1904	integer, intent(IN) :: klon
1905	integer, dimension(klon), intent(in) :: knindex
1906	logical, intent(IN) :: debut
1907
1908	! Parametres de sortie
1909	real, intent(out), dimension(klon) :: lmt_alb
1910	real, intent(out), dimension(klon) :: lmt_rug
1911
1912	! Variables locales
1913	integer :: ii
1914	integer,save :: lmt_pas ! frequence de lecture des conditions limites
1915	! (en pas de physique)
1916	logical,save :: deja_lu_sur! pour indiquer que le jour a lire a deja
1917	! lu pour une surface precedente
1918	integer,save :: jour_lu_sur
1919	integer :: ierr
1920	character (len = 20) :: modname = 'interfsur_lim'
1921	character (len = 80) :: abort_message
1922	character (len = 20),save :: fich ='limit.nc'
1923	logical,save :: newlmt = .false.
1924	logical,save :: check = .FALSE.
1925	! Champs lus dans le fichier de CL
1926	real, allocatable , save, dimension(:) :: alb_lu, rug_lu
1927	!
1928	! quelques variables pour netcdf
1929	!
1930	#include "netcdf.inc"
1931	integer ,save :: nid, nvarid
1932	integer, dimension(2),save :: start, epais
1933	!
1934	! Fin déclaration
1935	!
1936
1937	if (debut) then
1938	lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour
1939	jour_lu_sur = jour - 1
1940	allocate(alb_lu(klon))
1941	allocate(rug_lu(klon))
1942	endif
1943
1944	if ((jour - jour_lu_sur) /= 0) deja_lu_sur = .false.
1945
1946	if (check) write(,)modname,':: jour_lu_sur, deja_lu_sur', jour_lu_sur, deja_lu_sur
1947	if (check) write(,)modname,':: itime, lmt_pas', itime, lmt_pas
1948	call flush(6)
1949
1950	! Tester d'abord si c'est le moment de lire le fichier
1951	if (mod(itime-1, lmt_pas) == 0 .and. .not. deja_lu_sur) then
1952	!
1953	! Ouverture du fichier
1954	!
1955	fich = trim(fich)
1956	ierr = NF_OPEN (fich, NF_NOWRITE,nid)
1957	if (ierr.NE.NF_NOERR) then
1958	abort_message = 'Pb d''ouverture du fichier de conditions aux limites'
1959	call abort_gcm(modname,abort_message,1)
1960	endif
1961	!
1962	! La tranche de donnees a lire:
1963
1964	start(1) = 1
1965	start(2) = jour + 1
1966	epais(1) = klon
1967	epais(2) = 1
1968	!
1969	! Lecture Albedo
1970	!
1971	ierr = NF_INQ_VARID(nid, 'ALB', nvarid)
1972	if (ierr /= NF_NOERR) then
1973	abort_message = 'Le champ <ALB> est absent'
1974	call abort_gcm(modname,abort_message,1)
1975	endif
1976	#ifdef NC_DOUBLE
1977	ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais, alb_lu)
1978	#else
1979	ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, alb_lu)
1980	#endif
1981	if (ierr /= NF_NOERR) then
1982	abort_message = 'Lecture echouee pour <ALB>'
1983	call abort_gcm(modname,abort_message,1)
1984	endif
1985	!
1986	! Lecture rugosité
1987	!
1988	ierr = NF_INQ_VARID(nid, 'RUG', nvarid)
1989	if (ierr /= NF_NOERR) then
1990	abort_message = 'Le champ <RUG> est absent'
1991	call abort_gcm(modname,abort_message,1)
1992	endif
1993	#ifdef NC_DOUBLE
1994	ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais, rug_lu)
1995	#else
1996	ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, rug_lu)
1997	#endif
1998	if (ierr /= NF_NOERR) then
1999	abort_message = 'Lecture echouee pour <RUG>'
2000	call abort_gcm(modname,abort_message,1)
2001	endif
2002
2003	!
2004	! Fin de lecture
2005	!
2006	ierr = NF_CLOSE(nid)
2007	deja_lu_sur = .true.
2008	jour_lu_sur = jour
2009	endif
2010	!
2011	! Recopie des variables dans les champs de sortie
2012	!
2013	!!$ lmt_alb(:) = 0.0
2014	!!$ lmt_rug(:) = 0.0
2015	lmt_alb(:) = 999999.
2016	lmt_rug(:) = 999999.
2017	DO ii = 1, knon
2018	lmt_alb(ii) = alb_lu(knindex(ii))
2019	lmt_rug(ii) = rug_lu(knindex(ii))
2020	enddo
2021
2022	END SUBROUTINE interfsur_lim
2023
2024	!
2025	!#########################################################################
2026	!
2027
2028	SUBROUTINE calcul_fluxs( klon, knon, nisurf, dtime, &
2029	& tsurf, p1lay, cal, beta, coef1lay, ps, &
2030	& precip_rain, precip_snow, snow, qsol, &
2031	& radsol, dif_grnd, t1lay, q1lay, u1lay, v1lay, &
2032	& petAcoef, peqAcoef, petBcoef, peqBcoef, &
2033	& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l)
2034
2035	! Cette routine calcule les fluxs en h et q a l'interface et eventuellement
2036	! une temperature de surface (au cas ou ok_veget = false)
2037	!
2038	! L. Fairhead 4/2000
2039	!
2040	! input:
2041	! knon nombre de points a traiter
2042	! nisurf surface a traiter
2043	! tsurf temperature de surface
2044	! p1lay pression 1er niveau (milieu de couche)
2045	! cal capacite calorifique du sol
2046	! beta evap reelle
2047	! coef1lay coefficient d'echange
2048	! ps pression au sol
2049	! precip_rain precipitations liquides
2050	! precip_snow precipitations solides
2051	! snow champs hauteur de neige
2052	! qsol humidite du sol
2053	! runoff runoff en cas de trop plein
2054	! petAcoef coeff. A de la resolution de la CL pour t
2055	! peqAcoef coeff. A de la resolution de la CL pour q
2056	! petBcoef coeff. B de la resolution de la CL pour t
2057	! peqBcoef coeff. B de la resolution de la CL pour q
2058	! radsol rayonnement net aus sol (LW + SW)
2059	! dif_grnd coeff. diffusion vers le sol profond
2060	!
2061	! output:
2062	! tsurf_new temperature au sol
2063	! fluxsens flux de chaleur sensible
2064	! fluxlat flux de chaleur latente
2065	! dflux_s derivee du flux de chaleur sensible / Ts
2066	! dflux_l derivee du flux de chaleur latente / Ts
2067	!
2068
2069	#include "YOETHF.inc"
2070	#include "FCTTRE.inc"
2071	#include "indicesol.inc"
2072
2073	! Parametres d'entree
2074	integer, intent(IN) :: knon, nisurf, klon
2075	real , intent(IN) :: dtime
2076	real, dimension(klon), intent(IN) :: petAcoef, peqAcoef
2077	real, dimension(klon), intent(IN) :: petBcoef, peqBcoef
2078	real, dimension(klon), intent(IN) :: ps, q1lay
2079	real, dimension(klon), intent(IN) :: tsurf, p1lay, cal, beta, coef1lay
2080	real, dimension(klon), intent(IN) :: precip_rain, precip_snow
2081	real, dimension(klon), intent(IN) :: radsol, dif_grnd
2082	real, dimension(klon), intent(IN) :: t1lay, u1lay, v1lay
2083	real, dimension(klon), intent(INOUT) :: snow, qsol
2084
2085	! Parametres sorties
2086	real, dimension(klon), intent(OUT):: tsurf_new, evap, fluxsens, fluxlat
2087	real, dimension(klon), intent(OUT):: dflux_s, dflux_l
2088
2089	! Variables locales
2090	integer :: i
2091	real, dimension(klon) :: zx_mh, zx_nh, zx_oh
2092	real, dimension(klon) :: zx_mq, zx_nq, zx_oq
2093	real, dimension(klon) :: zx_pkh, zx_dq_s_dt, zx_qsat, zx_coef
2094	real, dimension(klon) :: zx_sl, zx_k1
2095	real, dimension(klon) :: zx_q_0 , d_ts
2096	real :: zdelta, zcvm5, zx_qs, zcor, zx_dq_s_dh
2097	real :: bilan_f, fq_fonte
2098	REAL :: subli, fsno
2099	real, parameter :: t_grnd = 271.35, t_coup = 273.15
2100	!! PB temporaire en attendant mieux pour le modele de neige
2101	REAL, parameter :: chasno = 3.334E+05/(2.3867E+06*0.15)
2102	!
2103	logical, save :: check = .FALSE.
2104	character (len = 20) :: modname = 'calcul_fluxs'
2105	logical, save :: fonte_neige = .false.
2106	real, save :: max_eau_sol = 150.0
2107	character (len = 80) :: abort_message
2108	logical,save :: first = .true.,second=.false.
2109
2110	if (check) write(,)'Entree ', modname,' surface = ',nisurf
2111
2112	if (size(coastalflow) /= knon .AND. nisurf == is_ter) then
2113	write(,)'Bizarre, le nombre de points continentaux'
2114	write(,)'a change entre deux appels. J''arrete ...'
2115	abort_message='Pb run_off'
2116	call abort_gcm(modname,abort_message,1)
2117	endif
2118	!
2119	! Traitement neige et humidite du sol
2120	!
2121	!!$ WRITE(,)'test calcul_flux, surface ', nisurf
2122	!!PB test
2123	!!$ if (nisurf == is_oce) then
2124	!!$ snow = 0.
2125	!!$ qsol = max_eau_sol
2126	!!$ else
2127	!!$ where (precip_snow > 0.) snow = snow + (precip_snow * dtime)
2128	!!$ where (snow > epsilon(snow)) snow = max(0.0, snow - (evap * dtime))
2129	!!$! snow = max(0.0, snow + (precip_snow - evap) * dtime)
2130	!!$ where (precip_rain > 0.) qsol = qsol + (precip_rain - evap) * dtime
2131	!!$ endif
2132	IF (nisurf /= is_ter) qsol = max_eau_sol
2133
2134
2135	!
2136	! Initialisation
2137	!
2138	evap = 0.
2139	fluxsens=0.
2140	fluxlat=0.
2141	dflux_s = 0.
2142	dflux_l = 0.
2143	!
2144	! zx_qs = qsat en kg/kg
2145	!
2146	DO i = 1, knon
2147	zx_pkh(i) = (ps(i)/ps(i))**RKAPPA
2148	IF (thermcep) THEN
2149	zdelta=MAX(0.,SIGN(1.,rtt-tsurf(i)))
2150	zcvm5 = R5LESRLVTT(1.-zdelta) + R5IESRLSTTzdelta
2151	zcvm5 = zcvm5 / RCPD / (1.0+RVTMP2*q1lay(i))
2152	zx_qs= r2es * FOEEW(tsurf(i),zdelta)/ps(i)
2153	zx_qs=MIN(0.5,zx_qs)
2154	zcor=1./(1.-retv*zx_qs)
2155	zx_qs=zx_qs*zcor
2156	zx_dq_s_dh = FOEDE(tsurf(i),zdelta,zcvm5,zx_qs,zcor) &
2157	& /RLVTT / zx_pkh(i)
2158	ELSE
2159	IF (tsurf(i).LT.t_coup) THEN
2160	zx_qs = qsats(tsurf(i)) / ps(i)
2161	zx_dq_s_dh = dqsats(tsurf(i),zx_qs)/RLVTT &
2162	& / zx_pkh(i)
2163	ELSE
2164	zx_qs = qsatl(tsurf(i)) / ps(i)
2165	zx_dq_s_dh = dqsatl(tsurf(i),zx_qs)/RLVTT &
2166	& / zx_pkh(i)
2167	ENDIF
2168	ENDIF
2169	zx_dq_s_dt(i) = RCPD * zx_pkh(i) * zx_dq_s_dh
2170	zx_qsat(i) = zx_qs
2171	zx_coef(i) = coef1lay(i) &
2172	& * (1.0+SQRT(u1lay(i)2+v1lay(i)2)) &
2173	& * p1lay(i)/(RD*t1lay(i))
2174
2175	ENDDO
2176
2177
2178	! === Calcul de la temperature de surface ===
2179	!
2180	! zx_sl = chaleur latente d'evaporation ou de sublimation
2181	!
2182	do i = 1, knon
2183	zx_sl(i) = RLVTT
2184	if (tsurf(i) .LT. RTT) zx_sl(i) = RLSTT
2185	zx_k1(i) = zx_coef(i)
2186	enddo
2187
2188
2189	do i = 1, knon
2190	! Q
2191	zx_oq(i) = 1. - (beta(i) * zx_k1(i) * peqBcoef(i) * dtime)
2192	zx_mq(i) = beta(i) * zx_k1(i) * &
2193	& (peqAcoef(i) - zx_qsat(i) &
2194	& + zx_dq_s_dt(i) * tsurf(i)) &
2195	& / zx_oq(i)
2196	zx_nq(i) = beta(i) * zx_k1(i) * (-1. * zx_dq_s_dt(i)) &
2197	& / zx_oq(i)
2198
2199	! H
2200	zx_oh(i) = 1. - (zx_k1(i) * petBcoef(i) * dtime)
2201	zx_mh(i) = zx_k1(i) * petAcoef(i) / zx_oh(i)
2202	zx_nh(i) = - (zx_k1(i) * RCPD * zx_pkh(i))/ zx_oh(i)
2203
2204	! Tsurface
2205	tsurf_new(i) = (tsurf(i) + cal(i)/(RCPD * zx_pkh(i)) * dtime * &
2206	& (radsol(i) + zx_mh(i) + zx_sl(i) * zx_mq(i)) &
2207	& + dif_grnd(i) * t_grnd * dtime)/ &
2208	& ( 1. - dtime * cal(i)/(RCPD * zx_pkh(i)) * ( &
2209	& zx_nh(i) + zx_sl(i) * zx_nq(i)) &
2210	& + dtime * dif_grnd(i))
2211
2212	!
2213	! Y'a-t-il fonte de neige?
2214	!
2215	! fonte_neige = (nisurf /= is_oce) .AND. &
2216	! & (snow(i) > epsfra .OR. nisurf == is_sic .OR. nisurf == is_lic) &
2217	! & .AND. (tsurf_new(i) >= RTT)
2218	! if (fonte_neige) tsurf_new(i) = RTT
2219	d_ts(i) = tsurf_new(i) - tsurf(i)
2220	! zx_h_ts(i) = tsurf_new(i) * RCPD * zx_pkh(i)
2221	! zx_q_0(i) = zx_qsat(i) + zx_dq_s_dt(i) * d_ts(i)
2222	!== flux_q est le flux de vapeur d'eau: kg/(m**2 s) positive vers bas
2223	!== flux_t est le flux de cpt (energie sensible): j/(m**2 s)
2224	evap(i) = - zx_mq(i) - zx_nq(i) * tsurf_new(i)
2225	fluxlat(i) = - evap(i) * zx_sl(i)
2226	fluxsens(i) = zx_mh(i) + zx_nh(i) * tsurf_new(i)
2227	! Derives des flux dF/dTs (W m-2 K-1):
2228	dflux_s(i) = zx_nh(i)
2229	dflux_l(i) = (zx_sl(i) * zx_nq(i))
2230
2231	!
2232	! en cas de fonte de neige
2233	!
2234	! if (fonte_neige) then
2235	! bilan_f = radsol(i) + fluxsens(i) - (zx_sl(i) * evap (i)) - &
2236	! & dif_grnd(i) * (tsurf_new(i) - t_grnd) - &
2237	! & RCPD * (zx_pkh(i))/cal(i)/dtime * (tsurf_new(i) - tsurf(i))
2238	! bilan_f = max(0., bilan_f)
2239	! fq_fonte = bilan_f / zx_sl(i)
2240	! snow(i) = max(0., snow(i) - fq_fonte * dtime)
2241	! qsol(i) = qsol(i) + (fq_fonte * dtime)
2242	! endif
2243	!!$ if (nisurf == is_ter) &
2244	!!$ & run_off(i) = run_off(i) + max(qsol(i) - max_eau_sol, 0.0)
2245	!!$ qsol(i) = min(qsol(i), max_eau_sol)
2246	ENDDO
2247
2248	END SUBROUTINE calcul_fluxs
2249	!
2250	!#########################################################################
2251	!
2252	SUBROUTINE gath2cpl(champ_in, champ_out, klon, knon, iim, jjm, knindex)
2253
2254	! Cette routine ecrit un champ 'gathered' sur la grille 2D pour le passer
2255	! au coupleur.
2256	!
2257	!
2258	! input:
2259	! champ_in champ sur la grille gathere
2260	! knon nombre de points dans le domaine a traiter
2261	! knindex index des points de la surface a traiter
2262	! klon taille de la grille
2263	! iim,jjm dimension de la grille 2D
2264	!
2265	! output:
2266	! champ_out champ sur la grille 2D
2267	!
2268	! input
2269	integer :: klon, knon, iim, jjm
2270	real, dimension(klon) :: champ_in
2271	integer, dimension(klon) :: knindex
2272	! output
2273	real, dimension(iim,jjm+1) :: champ_out
2274	! local
2275	integer :: i, ig, j
2276	real, dimension(klon) :: tamp
2277
2278	tamp = 0.
2279	do i = 1, knon
2280	ig = knindex(i)
2281	tamp(ig) = champ_in(i)
2282	enddo
2283	ig = 1
2284	champ_out(:,1) = tamp(ig)
2285	do j = 2, jjm
2286	do i = 1, iim
2287	ig = ig + 1
2288	champ_out(i,j) = tamp(ig)
2289	enddo
2290	enddo
2291	ig = ig + 1
2292	champ_out(:,jjm+1) = tamp(ig)
2293
2294	END SUBROUTINE gath2cpl
2295	!
2296	!#########################################################################
2297	!
2298	SUBROUTINE cpl2gath(champ_in, champ_out, klon, knon, iim, jjm, knindex)
2299
2300	! Cette routine ecrit un champ 'gathered' sur la grille 2D pour le passer
2301	! au coupleur.
2302	!
2303	!
2304	! input:
2305	! champ_in champ sur la grille gathere
2306	! knon nombre de points dans le domaine a traiter
2307	! knindex index des points de la surface a traiter
2308	! klon taille de la grille
2309	! iim,jjm dimension de la grille 2D
2310	!
2311	! output:
2312	! champ_out champ sur la grille 2D
2313	!
2314	! input
2315	integer :: klon, knon, iim, jjm
2316	real, dimension(iim,jjm+1) :: champ_in
2317	integer, dimension(klon) :: knindex
2318	! output
2319	real, dimension(klon) :: champ_out
2320	! local
2321	integer :: i, ig, j
2322	real, dimension(klon) :: tamp
2323	logical ,save :: check = .false.
2324
2325	ig = 1
2326	tamp(ig) = champ_in(1,1)
2327	do j = 2, jjm
2328	do i = 1, iim
2329	ig = ig + 1
2330	tamp(ig) = champ_in(i,j)
2331	enddo
2332	enddo
2333	ig = ig + 1
2334	tamp(ig) = champ_in(1,jjm+1)
2335
2336	do i = 1, knon
2337	ig = knindex(i)
2338	champ_out(i) = tamp(ig)
2339	enddo
2340
2341	END SUBROUTINE cpl2gath
2342	!
2343	!#########################################################################
2344	!
2345	SUBROUTINE albsno(klon, knon,dtime,agesno,alb_neig_grid, precip_snow)
2346	IMPLICIT none
2347
2348	INTEGER :: klon, knon
2349	INTEGER, PARAMETER :: nvm = 8
2350	REAL :: dtime
2351	REAL, dimension(klon,nvm) :: veget
2352	REAL, DIMENSION(klon) :: alb_neig_grid, agesno, precip_snow
2353
2354	INTEGER :: i, nv
2355
2356	REAL, DIMENSION(nvm),SAVE :: init, decay
2357	REAL :: as
2358	DATA init /0.55, 0.14, 0.18, 0.29, 0.15, 0.15, 0.14, 0./
2359	DATA decay/0.30, 0.67, 0.63, 0.45, 0.40, 0.14, 0.06, 1./
2360
2361	veget = 0.
2362	veget(:,1) = 1. ! desert partout
2363	DO i = 1, knon
2364	alb_neig_grid(i) = 0.0
2365	ENDDO
2366	DO nv = 1, nvm
2367	DO i = 1, knon
2368	as = init(nv)+decay(nv)*EXP(-agesno(i)/5.)
2369	alb_neig_grid(i) = alb_neig_grid(i) + veget(i,nv)*as
2370	ENDDO
2371	ENDDO
2372	!
2373	!! modilation en fonction de l'age de la neige
2374	!
2375	DO i = 1, knon
2376	agesno(i) = (agesno(i) + (1.-agesno(i)/50.)*dtime/86400.)&
2377	& * EXP(-1.MAX(0.0,precip_snow(i))dtime/0.3)
2378	agesno(i) = MAX(agesno(i),0.0)
2379	ENDDO
2380
2381	END SUBROUTINE albsno
2382	!
2383	!#########################################################################
2384	!
2385
2386	SUBROUTINE fonte_neige( klon, knon, nisurf, dtime, &
2387	& tsurf, p1lay, cal, beta, coef1lay, ps, &
2388	& precip_rain, precip_snow, snow, qsol, &
2389	& radsol, dif_grnd, t1lay, q1lay, u1lay, v1lay, &
2390	& petAcoef, peqAcoef, petBcoef, peqBcoef, &
2391	& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l)
2392
2393	! Routine de traitement de la fonte de la neige dans le cas du traitement
2394	! de sol simplifié
2395	!
2396	! LF 03/2001
2397	! input:
2398	! knon nombre de points a traiter
2399	! nisurf surface a traiter
2400	! tsurf temperature de surface
2401	! p1lay pression 1er niveau (milieu de couche)
2402	! cal capacite calorifique du sol
2403	! beta evap reelle
2404	! coef1lay coefficient d'echange
2405	! ps pression au sol
2406	! precip_rain precipitations liquides
2407	! precip_snow precipitations solides
2408	! snow champs hauteur de neige
2409	! qsol humidite du sol
2410	! runoff runoff en cas de trop plein
2411	! petAcoef coeff. A de la resolution de la CL pour t
2412	! peqAcoef coeff. A de la resolution de la CL pour q
2413	! petBcoef coeff. B de la resolution de la CL pour t
2414	! peqBcoef coeff. B de la resolution de la CL pour q
2415	! radsol rayonnement net aus sol (LW + SW)
2416	! dif_grnd coeff. diffusion vers le sol profond
2417	!
2418	! output:
2419	! tsurf_new temperature au sol
2420	! fluxsens flux de chaleur sensible
2421	! fluxlat flux de chaleur latente
2422	! dflux_s derivee du flux de chaleur sensible / Ts
2423	! dflux_l derivee du flux de chaleur latente / Ts
2424	!
2425
2426	#include "YOETHF.inc"
2427	#include "FCTTRE.inc"
2428	#include "indicesol.inc"
2429
2430	! Parametres d'entree
2431	integer, intent(IN) :: knon, nisurf, klon
2432	real , intent(IN) :: dtime
2433	real, dimension(klon), intent(IN) :: petAcoef, peqAcoef
2434	real, dimension(klon), intent(IN) :: petBcoef, peqBcoef
2435	real, dimension(klon), intent(IN) :: ps, q1lay
2436	real, dimension(klon), intent(IN) :: tsurf, p1lay, cal, beta, coef1lay
2437	real, dimension(klon), intent(IN) :: precip_rain, precip_snow
2438	real, dimension(klon), intent(IN) :: radsol, dif_grnd
2439	real, dimension(klon), intent(IN) :: t1lay, u1lay, v1lay
2440	real, dimension(klon), intent(INOUT) :: snow, qsol
2441
2442	! Parametres sorties
2443	real, dimension(klon), intent(INOUT):: tsurf_new, evap, fluxsens, fluxlat
2444	real, dimension(klon), intent(INOUT):: dflux_s, dflux_l
2445
2446	! Variables locales
2447	integer :: i
2448	real, dimension(klon) :: zx_mh, zx_nh, zx_oh
2449	real, dimension(klon) :: zx_mq, zx_nq, zx_oq
2450	real, dimension(klon) :: zx_pkh, zx_dq_s_dt, zx_qsat, zx_coef
2451	real, dimension(klon) :: zx_sl, zx_k1
2452	real, dimension(klon) :: zx_q_0 , d_ts
2453	real :: zdelta, zcvm5, zx_qs, zcor, zx_dq_s_dh
2454	real :: bilan_f, fq_fonte
2455	REAL :: subli, fsno
2456	real, parameter :: t_grnd = 271.35, t_coup = 273.15
2457	!! PB temporaire en attendant mieux pour le modele de neige
2458	REAL, parameter :: chasno = 3.334E+05/(2.3867E+06*0.15)
2459	!
2460	logical, save :: check = .FALSE.
2461	character (len = 20) :: modname = 'fonte_neige'
2462	logical, save :: neige_fond = .false.
2463	real, save :: max_eau_sol = 150.0
2464	character (len = 80) :: abort_message
2465	logical,save :: first = .true.,second=.false.
2466
2467	if (check) write(,)'Entree ', modname,' surface = ',nisurf
2468
2469	! Initialisations
2470	DO i = 1, knon
2471	zx_pkh(i) = (ps(i)/ps(i))**RKAPPA
2472	IF (thermcep) THEN
2473	zdelta=MAX(0.,SIGN(1.,rtt-tsurf(i)))
2474	zcvm5 = R5LESRLVTT(1.-zdelta) + R5IESRLSTTzdelta
2475	zcvm5 = zcvm5 / RCPD / (1.0+RVTMP2*q1lay(i))
2476	zx_qs= r2es * FOEEW(tsurf(i),zdelta)/ps(i)
2477	zx_qs=MIN(0.5,zx_qs)
2478	zcor=1./(1.-retv*zx_qs)
2479	zx_qs=zx_qs*zcor
2480	zx_dq_s_dh = FOEDE(tsurf(i),zdelta,zcvm5,zx_qs,zcor) &
2481	& /RLVTT / zx_pkh(i)
2482	ELSE
2483	IF (tsurf(i).LT.t_coup) THEN
2484	zx_qs = qsats(tsurf(i)) / ps(i)
2485	zx_dq_s_dh = dqsats(tsurf(i),zx_qs)/RLVTT &
2486	& / zx_pkh(i)
2487	ELSE
2488	zx_qs = qsatl(tsurf(i)) / ps(i)
2489	zx_dq_s_dh = dqsatl(tsurf(i),zx_qs)/RLVTT &
2490	& / zx_pkh(i)
2491	ENDIF
2492	ENDIF
2493	zx_dq_s_dt(i) = RCPD * zx_pkh(i) * zx_dq_s_dh
2494	zx_qsat(i) = zx_qs
2495	zx_coef(i) = coef1lay(i) &
2496	& * (1.0+SQRT(u1lay(i)2+v1lay(i)2)) &
2497	& * p1lay(i)/(RD*t1lay(i))
2498	ENDDO
2499
2500
2501	! === Calcul de la temperature de surface ===
2502	!
2503	! zx_sl = chaleur latente d'evaporation ou de sublimation
2504	!
2505	do i = 1, knon
2506	zx_sl(i) = RLVTT
2507	if (tsurf(i) .LT. RTT) zx_sl(i) = RLSTT
2508	zx_k1(i) = zx_coef(i)
2509	enddo
2510
2511
2512	do i = 1, knon
2513	! Q
2514	zx_oq(i) = 1. - (beta(i) * zx_k1(i) * peqBcoef(i) * dtime)
2515	zx_mq(i) = beta(i) * zx_k1(i) * &
2516	& (peqAcoef(i) - zx_qsat(i) &
2517	& + zx_dq_s_dt(i) * tsurf(i)) &
2518	& / zx_oq(i)
2519	zx_nq(i) = beta(i) * zx_k1(i) * (-1. * zx_dq_s_dt(i)) &
2520	& / zx_oq(i)
2521
2522	! H
2523	zx_oh(i) = 1. - (zx_k1(i) * petBcoef(i) * dtime)
2524	zx_mh(i) = zx_k1(i) * petAcoef(i) / zx_oh(i)
2525	zx_nh(i) = - (zx_k1(i) * RCPD * zx_pkh(i))/ zx_oh(i)
2526	enddo
2527
2528
2529	WHERE (precip_snow > 0.) snow = snow + (precip_snow * dtime)
2530	WHERE (evap > 0 ) snow = MAX(0.0, snow - (evap * dtime))
2531	qsol = qsol + (precip_rain - evap) * dtime
2532	!
2533	! Y'a-t-il fonte de neige?
2534	!
2535	do i = 1, knon
2536	neige_fond = ((snow(i) > epsfra .OR. nisurf == is_sic .OR. nisurf == is_lic) &
2537	& .AND. tsurf_new(i) >= RTT)
2538	if (neige_fond) then
2539	fq_fonte = MIN( MAX((tsurf_new(i)-RTT )/chasno,0.0),snow(i))
2540	snow(i) = max(0., snow(i) - fq_fonte)
2541	qsol(i) = qsol(i) + fq_fonte
2542	tsurf_new(i) = tsurf_new(i) - fq_fonte * chasno
2543	IF (nisurf == is_sic .OR. nisurf == is_lic ) tsurf_new(i) = RTT -1.8
2544	d_ts(i) = tsurf_new(i) - tsurf(i)
2545	! zx_h_ts(i) = tsurf_new(i) * RCPD * zx_pkh(i)
2546	! zx_q_0(i) = zx_qsat(i) + zx_dq_s_dt(i) * d_ts(i)
2547	!== flux_q est le flux de vapeur d'eau: kg/(m**2 s) positive vers bas
2548	!== flux_t est le flux de cpt (energie sensible): j/(m**2 s)
2549	!!$ evap(i) = - zx_mq(i) - zx_nq(i) * tsurf_new(i)
2550	!!$ fluxlat(i) = - evap(i) * zx_sl(i)
2551	!!$ fluxsens(i) = zx_mh(i) + zx_nh(i) * tsurf_new(i)
2552	! Derives des flux dF/dTs (W m-2 K-1):
2553	!!$ dflux_s(i) = zx_nh(i)
2554	!!$ dflux_l(i) = (zx_sl(i) * zx_nq(i))
2555	!!$ bilan_f = radsol(i) + fluxsens(i) - (zx_sl(i) * evap (i)) - &
2556	!!$ & dif_grnd(i) * (tsurf_new(i) - t_grnd) - &
2557	!!$ & RCPD * (zx_pkh(i))/cal(i)/dtime * (tsurf_new(i) - tsurf(i))
2558	!!$ bilan_f = max(0., bilan_f)
2559	!!$ fq_fonte = bilan_f / zx_sl(i)
2560	endif
2561	IF (nisurf == is_ter) &
2562	& run_off(i) = run_off(i) + MAX(qsol(i) - max_eau_sol, 0.0)
2563	qsol(i) = MIN(qsol(i), max_eau_sol)
2564	enddo
2565
2566	END SUBROUTINE fonte_neige
2567	!
2568	!#########################################################################
2569	!
2570	END MODULE interface_surf

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