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interface_surf.F90 @ 360

Last change on this file since 360 was 360, checked in by lmdzadmin, 23 years ago
Orchidee utilise psol plutot que p1lay (commentaire erroné dans intersurf) LF
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 88.6 KB

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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	if (check) write(,)'Entree ', modname
793	if (check) write(,)'ok_veget = ',ok_veget
794
795	ktindex(:) = knindex(:) + iim - 1
796
797	! initialisation
798	if (debut) then
799
800	! Pb de correspondances de grilles
801	allocate(ig(klon))
802	allocate(jg(klon))
803	ig(1) = 1
804	jg(1) = 1
805	indi = 0
806	indj = 2
807	do igrid = 2, klon - 1
808	indi = indi + 1
809	if ( indi > iim) then
810	indi = 1
811	indj = indj + 1
812	endif
813	ig(igrid) = indi
814	jg(igrid) = indj
815	enddo
816	ig(klon) = 1
817	jg(klon) = jjm + 1
818	!
819	! Initialisation des offset
820	!
821	! offset bord ouest
822	off_ini(1,1) = - iim ; off_ini(2,1) = - iim + 1; off_ini(3,1) = 1
823	off_ini(4,1) = iim + 1; off_ini(5,1) = iim ; off_ini(6,1) = 2 * iim - 1
824	off_ini(7,1) = iim -1 ; off_ini(8,1) = - 1
825	! offset point normal
826	off_ini(1,2) = - iim ; off_ini(2,2) = - iim + 1; off_ini(3,2) = 1
827	off_ini(4,2) = iim + 1; off_ini(5,2) = iim ; off_ini(6,2) = iim - 1
828	off_ini(7,2) = -1 ; off_ini(8,2) = - iim - 1
829	! offset bord est
830	off_ini(1,3) = - iim; off_ini(2,3) = - 2 * iim + 1; off_ini(3,3) = - iim + 1
831	off_ini(4,3) = 1 ; off_ini(5,3) = iim ; off_ini(6,3) = iim - 1
832	off_ini(7,3) = -1 ; off_ini(8,3) = - iim - 1
833	!
834	! Initialisation des correspondances point -> indices i,j
835	!
836	if (( .not. allocated(correspond))) then
837	allocate(correspond(iim,jjm+1), stat = error)
838	if (error /= 0) then
839	abort_message='Pb allocation correspond'
840	call abort_gcm(modname,abort_message,1)
841	endif
842	endif
843	!
844	! Attention aux poles
845	!
846	do igrid = 1, knon
847	index = ktindex(igrid)
848	jj = int((index - 1)/iim) + 1
849	ij = index - (jj - 1) * iim
850	correspond(ij,jj) = igrid
851	enddo
852
853	! Allouer et initialiser le tableau de coordonnees du sol
854	!
855	if ((.not. allocated(lalo))) then
856	allocate(lalo(knon,2), stat = error)
857	if (error /= 0) then
858	abort_message='Pb allocation lalo'
859	call abort_gcm(modname,abort_message,1)
860	endif
861	endif
862	if ((.not. allocated(lon_scat))) then
863	allocate(lon_scat(iim,jjm+1), stat = error)
864	if (error /= 0) then
865	abort_message='Pb allocation lon_scat'
866	call abort_gcm(modname,abort_message,1)
867	endif
868	endif
869	if ((.not. allocated(lat_scat))) then
870	allocate(lat_scat(iim,jjm+1), stat = error)
871	if (error /= 0) then
872	abort_message='Pb allocation lat_scat'
873	call abort_gcm(modname,abort_message,1)
874	endif
875	endif
876	lon_scat = 0.
877	lat_scat = 0.
878	do igrid = 1, knon
879	index = knindex(igrid)
880	lalo(igrid,2) = rlon(index)
881	lalo(igrid,1) = rlat(index)
882	ij = index - int((index-1)/iim)*iim - 1
883	jj = 2 + int((index-1)/iim)
884	if (mod(index,iim) == 1 ) then
885	jj = 1 + int((index-1)/iim)
886	ij = iim
887	endif
888	! lon_scat(ij,jj) = rlon(index)
889	! lat_scat(ij,jj) = rlat(index)
890	enddo
891	index = 1
892	do jj = 2, jjm
893	do ij = 1, iim
894	index = index + 1
895	lon_scat(ij,jj) = rlon(index)
896	lat_scat(ij,jj) = rlat(index)
897	enddo
898	enddo
899	lon_scat(:,1) = lon_scat(:,2)
900	lat_scat(:,1) = rlat(1)
901	lon_scat(:,jjm+1) = lon_scat(:,2)
902	lat_scat(:,jjm+1) = rlat(klon)
903	! Pb de correspondances de grilles!
904	! do igrid = 1, knon
905	! index = ktindex(igrid)
906	! ij = ig(index)
907	! jj = jg(index)
908	! lon_scat(ij,jj) = rlon(index)
909	! lat_scat(ij,jj) = rlat(index)
910	! enddo
911
912	!
913	! Allouer et initialiser le tableau des voisins et des fraction de continents
914	!
915	if ( (.not.allocated(neighbours))) THEN
916	allocate(neighbours(knon,8), stat = error)
917	if (error /= 0) then
918	abort_message='Pb allocation neighbours'
919	call abort_gcm(modname,abort_message,1)
920	endif
921	endif
922	neighbours = -1.
923	if (( .not. allocated(contfrac))) then
924	allocate(contfrac(knon), stat = error)
925	if (error /= 0) then
926	abort_message='Pb allocation contfrac'
927	call abort_gcm(modname,abort_message,1)
928	endif
929	endif
930
931	do igrid = 1, knon
932	ireal = knindex(igrid)
933	contfrac(igrid) = pctsrf(ireal,is_ter)
934	enddo
935
936	do igrid = 1, knon
937	iglob = ktindex(igrid)
938	if (mod(iglob, iim) == 1) then
939	offset = off_ini(:,1)
940	else if(mod(iglob, iim) == 0) then
941	offset = off_ini(:,3)
942	else
943	offset = off_ini(:,2)
944	endif
945	do i = 1, 8
946	index = iglob + offset(i)
947	ireal = (min(max(1, index - iim + 1), klon))
948	if (pctsrf(ireal, is_ter) > EPSFRA) then
949	jj = int((index - 1)/iim) + 1
950	ij = index - (jj - 1) * iim
951	neighbours(igrid, i) = correspond(ij, jj)
952	endif
953	enddo
954	enddo
955
956	!
957	! Allocation et calcul resolutions
958	IF ( (.NOT.ALLOCATED(resolution))) THEN
959	ALLOCATE(resolution(knon,2), stat = error)
960	if (error /= 0) then
961	abort_message='Pb allocation resolution'
962	call abort_gcm(modname,abort_message,1)
963	endif
964	ENDIF
965	do igrid = 1, knon
966	ij = knindex(igrid)
967	resolution(igrid,1) = cufi(ij)
968	resolution(igrid,2) = cvfi(ij)
969	enddo
970
971	endif ! (fin debut)
972
973	!
974	! Appel a la routine sols continentaux
975	!
976	if (lafin) lrestart_write = .true.
977	if (check) write(,)'lafin ',lafin,lrestart_write
978
979	petA_orc = petBcoef * dtime
980	petB_orc = petAcoef
981	peqA_orc = peqBcoef * dtime
982	peqB_orc = peqAcoef
983
984	cdrag = 0.
985	cdrag(1:knon) = tq_cdrag(1:knon)
986
987	where(cdrag > 0.01)
988	cdrag = 0.01
989	endwhere
990	! write(,)'Cdrag = ',minval(cdrag),maxval(cdrag)
991
992	!
993	! Init Orchidee
994	!
995	if (debut) then
996	call intersurf_main (itime-1, iim, jjm+1, knon, ktindex, dtime, &
997	& lrestart_read, lrestart_write, lalo, &
998	& contfrac, neighbours, resolution, date0, &
999	& zlev, u1_lay, v1_lay, spechum, temp_air, epot_air, ccanopy, &
1000	& cdrag, petA_orc, peqA_orc, petB_orc, peqB_orc, &
1001	& precip_rain, precip_snow, lwdown, swnet, swdown, ps, &
1002	& evap, fluxsens, fluxlat, coastalflow, riverflow, &
1003	& tsol_rad, tsurf_new, qsurf, albedo_out, emis_new, z0_new, &
1004	& lon_scat, lat_scat)
1005	endif
1006
1007	call intersurf_main (itime, iim, jjm+1, knon, ktindex, dtime, &
1008	& lrestart_read, lrestart_write, lalo, &
1009	& contfrac, neighbours, resolution, date0, &
1010	& zlev, u1_lay, v1_lay, spechum, temp_air, epot_air, ccanopy, &
1011	& cdrag, petA_orc, peqA_orc, petB_orc, peqB_orc, &
1012	& precip_rain, precip_snow, lwdown, swnet, swdown, ps, &
1013	& evap, fluxsens, fluxlat, coastalflow, riverflow, &
1014	& tsol_rad, tsurf_new, qsurf, albedo_out, emis_new, z0_new, &
1015	& lon_scat, lat_scat)
1016
1017	bidule=0.
1018	bidule(1:knon)=riverflow(1:knon)
1019	call gath2cpl(bidule, tmp_rriv, klon, knon,iim,jjm,ktindex)
1020	bidule=0.
1021	bidule(1:knon)=coastalflow(1:knon)
1022	call gath2cpl(bidule, tmp_rcoa, klon, knon,iim,jjm,ktindex)
1023	alb_new(1:knon) = albedo_out(1:knon,1)
1024	alblw(1:knon) = albedo_out(1:knon,2)
1025
1026
1027	! Convention orchidee: positif vers le haut
1028	fluxsens(1:knon) = -1. * fluxsens(1:knon)
1029	fluxlat(1:knon) = -1. * fluxlat(1:knon)
1030
1031	! evap = -1. * evap
1032
1033	if (debut) lrestart_read = .false.
1034
1035	END SUBROUTINE interfsol
1036	!
1037	!#########################################################################
1038	!
1039	SUBROUTINE interfoce_cpl(itime, dtime, cumul, &
1040	& klon, iim, jjm, nisurf, pctsrf, knon, knindex, rlon, rlat, &
1041	& ocean, npas, nexca, debut, lafin, &
1042	& swdown, lwdown, precip_rain, precip_snow, evap, tsurf, &
1043	& fluxlat, fluxsens, fder, albsol, taux, tauy, zmasq, &
1044	& tsurf_new, alb_new, pctsrf_new)
1045
1046	! Cette routine sert d'interface entre le modele atmospherique et un
1047	! coupleur avec un modele d'ocean 'complet' derriere
1048	!
1049	! Le modele de glace qu'il est prevu d'utiliser etant couple directement a
1050	! l'ocean presentement, on va passer deux fois dans cette routine par pas de
1051	! temps physique, une fois avec les points oceans et l'autre avec les points
1052	! glace. A chaque pas de temps de couplage, la lecture des champs provenant
1053	! du coupleur se fera "dans" l'ocean et l'ecriture des champs a envoyer
1054	! au coupleur "dans" la glace. Il faut donc des tableaux de travail "tampons"
1055	! dimensionnes sur toute la grille qui remplissent les champs sur les
1056	! domaines ocean/glace quand il le faut. Il est aussi necessaire que l'index
1057	! ocean soit traiter avant l'index glace (sinon tout intervertir)
1058	!
1059	!
1060	! L. Fairhead 02/2000
1061	!
1062	! input:
1063	! itime numero du pas de temps
1064	! iim, jjm nbres de pts de grille
1065	! dtime pas de temps de la physique
1066	! klon nombre total de points de grille
1067	! nisurf index de la surface a traiter (1 = sol continental)
1068	! pctsrf tableau des fractions de surface de chaque maille
1069	! knon nombre de points de la surface a traiter
1070	! knindex index des points de la surface a traiter
1071	! rlon longitudes
1072	! rlat latitudes
1073	! debut logical: 1er appel a la physique
1074	! lafin logical: dernier appel a la physique
1075	! ocean type d'ocean
1076	! nexca frequence de couplage
1077	! swdown flux solaire entrant a la surface
1078	! lwdown flux IR net a la surface
1079	! precip_rain precipitation liquide
1080	! precip_snow precipitation solide
1081	! evap evaporation
1082	! tsurf temperature de surface
1083	! fder derivee dF/dT
1084	! albsol albedo du sol (coherent avec swdown)
1085	! taux tension de vent en x
1086	! tauy tension de vent en y
1087	! nexca frequence de couplage
1088	! zmasq masque terre/ocean
1089	!
1090	!
1091	! output:
1092	! tsurf_new temperature au sol
1093	! alb_new albedo
1094	! pctsrf_new nouvelle repartition des surfaces
1095	! alb_ice albedo de la glace
1096	!
1097
1098
1099	! Parametres d'entree
1100	integer, intent(IN) :: itime
1101	integer, intent(IN) :: iim, jjm
1102	real, intent(IN) :: dtime
1103	integer, intent(IN) :: klon
1104	integer, intent(IN) :: nisurf
1105	integer, intent(IN) :: knon
1106	real, dimension(klon,nbsrf), intent(IN) :: pctsrf
1107	integer, dimension(klon), intent(in) :: knindex
1108	logical, intent(IN) :: debut, lafin
1109	real, dimension(klon), intent(IN) :: rlon, rlat
1110	character (len = 6) :: ocean
1111	real, dimension(klon), intent(IN) :: lwdown, swdown
1112	real, dimension(klon), intent(IN) :: precip_rain, precip_snow
1113	real, dimension(klon), intent(IN) :: tsurf, fder, albsol, taux, tauy
1114	INTEGER :: nexca, npas, kstep
1115	real, dimension(klon), intent(IN) :: zmasq
1116	real, dimension(klon), intent(IN) :: fluxlat, fluxsens
1117	logical, intent(IN) :: cumul
1118	real, dimension(klon), intent(INOUT) :: evap
1119
1120	! Parametres de sortie
1121	real, dimension(klon), intent(OUT):: tsurf_new, alb_new
1122	real, dimension(klon,nbsrf), intent(OUT) :: pctsrf_new
1123
1124	! Variables locales
1125	integer :: j, error, sum_error, ig, cpl_index,i
1126	character (len = 20) :: modname = 'interfoce_cpl'
1127	character (len = 80) :: abort_message
1128	logical,save :: check = .FALSE.
1129	! variables pour moyenner les variables de couplage
1130	real, allocatable, dimension(:,:),save :: cpl_sols, cpl_nsol, cpl_rain
1131	real, allocatable, dimension(:,:),save :: cpl_snow, cpl_evap, cpl_tsol
1132	real, allocatable, dimension(:,:),save :: cpl_fder, cpl_albe, cpl_taux
1133	!!$PB real, allocatable, dimension(:,:),save :: cpl_tauy, cpl_rriv, cpl_rcoa
1134	real, allocatable, dimension(:,:),save :: cpl_tauy
1135	real, allocatable, dimension(:,:),save :: cpl_rriv, cpl_rcoa
1136	!!$
1137	! variables tampons avant le passage au coupleur
1138	real, allocatable, dimension(:,:,:),save :: tmp_sols, tmp_nsol, tmp_rain
1139	real, allocatable, dimension(:,:,:),save :: tmp_snow, tmp_evap, tmp_tsol
1140	real, allocatable, dimension(:,:,:),save :: tmp_fder, tmp_albe, tmp_taux
1141	!!$ real, allocatable, dimension(:,:,:),save :: tmp_tauy, tmp_rriv, tmp_rcoa
1142	REAL, ALLOCATABLE, DIMENSION(:,:,:),SAVE :: tmp_tauy
1143	! variables a passer au coupleur
1144	real, dimension(iim, jjm+1) :: wri_sol_ice, wri_sol_sea, wri_nsol_ice
1145	real, dimension(iim, jjm+1) :: wri_nsol_sea, wri_fder_ice, wri_evap_ice
1146	REAL, DIMENSION(iim, jjm+1) :: wri_evap_sea, wri_rcoa, wri_rriv
1147	REAL, DIMENSION(iim, jjm+1) :: wri_rain, wri_snow, wri_taux, wri_tauy
1148	REAL, DIMENSION(iim, jjm+1) :: wri_tauxx, wri_tauyy, wri_tauzz
1149	REAL, DIMENSION(iim, jjm+1) :: tmp_lon, tmp_lat
1150	! variables relues par le coupleur
1151	! read_sic = fraction de glace
1152	! read_sit = temperature de glace
1153	real, allocatable, dimension(:,:),save :: read_sst, read_sic, read_sit
1154	real, allocatable, dimension(:,:),save :: read_alb_sic
1155	! variable tampon
1156	real, dimension(klon) :: tamp_sic
1157	! sauvegarde des fractions de surface d'un pas de temps a l'autre apres
1158	! l'avoir lu
1159	real, allocatable,dimension(:,:),save :: pctsrf_sav
1160	real, dimension(iim, jjm+1, 2) :: tamp_srf
1161	integer, allocatable, dimension(:), save :: tamp_ind
1162	real, allocatable, dimension(:,:),save :: tamp_zmasq
1163	real, dimension(iim, jjm+1) :: deno
1164	integer :: idtime
1165	integer, allocatable,dimension(:),save :: unity
1166	!
1167	logical, save :: first_appel = .true.
1168	logical,save :: print
1169	!maf
1170	! variables pour avoir une sortie IOIPSL des champs echanges
1171	CHARACTER*80,SAVE :: clintocplnam, clfromcplnam
1172	INTEGER, SAVE :: jf,nhoridct,nidct
1173	INTEGER, SAVE :: nhoridcs,nidcs
1174	INTEGER :: ndexct(iim(jjm+1)),ndexcs(iim(jjm+1))
1175	REAL :: zx_lon(iim,jjm+1), zx_lat(iim,jjm+1), zjulian
1176	integer :: idayref, itau_w
1177	include 'param_cou.h'
1178	include 'inc_cpl.h'
1179	include 'temps.inc'
1180	!
1181	! Initialisation
1182	!
1183	if (check) write(,)'Entree ',modname,'nisurf = ',nisurf
1184
1185	if (first_appel) then
1186	error = 0
1187	allocate(unity(klon), stat = error)
1188	if ( error /=0) then
1189	abort_message='Pb allocation variable unity'
1190	call abort_gcm(modname,abort_message,1)
1191	endif
1192	allocate(pctsrf_sav(klon,nbsrf), stat = error)
1193	if ( error /=0) then
1194	abort_message='Pb allocation variable pctsrf_sav'
1195	call abort_gcm(modname,abort_message,1)
1196	endif
1197	pctsrf_sav = 0.
1198
1199	do ig = 1, klon
1200	unity(ig) = ig
1201	enddo
1202	sum_error = 0
1203	allocate(cpl_sols(klon,2), stat = error); sum_error = sum_error + error
1204	allocate(cpl_nsol(klon,2), stat = error); sum_error = sum_error + error
1205	allocate(cpl_rain(klon,2), stat = error); sum_error = sum_error + error
1206	allocate(cpl_snow(klon,2), stat = error); sum_error = sum_error + error
1207	allocate(cpl_evap(klon,2), stat = error); sum_error = sum_error + error
1208	allocate(cpl_tsol(klon,2), stat = error); sum_error = sum_error + error
1209	allocate(cpl_fder(klon,2), stat = error); sum_error = sum_error + error
1210	allocate(cpl_albe(klon,2), stat = error); sum_error = sum_error + error
1211	allocate(cpl_taux(klon,2), stat = error); sum_error = sum_error + error
1212	allocate(cpl_tauy(klon,2), stat = error); sum_error = sum_error + error
1213	!!$PB
1214	!!$ allocate(cpl_rcoa(klon,2), stat = error); sum_error = sum_error + error
1215	!!$ allocate(cpl_rriv(klon,2), stat = error); sum_error = sum_error + error
1216	ALLOCATE(cpl_rriv(iim,jjm+1), stat=error); sum_error = sum_error + error
1217	ALLOCATE(cpl_rcoa(iim,jjm+1), stat=error); sum_error = sum_error + error
1218	!!
1219	allocate(read_sst(iim, jjm+1), stat = error); sum_error = sum_error + error
1220	allocate(read_sic(iim, jjm+1), stat = error); sum_error = sum_error + error
1221	allocate(read_sit(iim, jjm+1), stat = error); sum_error = sum_error + error
1222	allocate(read_alb_sic(iim, jjm+1), stat = error); sum_error = sum_error + error
1223
1224	if (sum_error /= 0) then
1225	abort_message='Pb allocation variables couplees'
1226	call abort_gcm(modname,abort_message,1)
1227	endif
1228	cpl_sols = 0.; cpl_nsol = 0.; cpl_rain = 0.; cpl_snow = 0.
1229	cpl_evap = 0.; cpl_tsol = 0.; cpl_fder = 0.; cpl_albe = 0.
1230	cpl_taux = 0.; cpl_tauy = 0.; cpl_rriv = 0.; cpl_rcoa = 0.
1231
1232	sum_error = 0
1233	allocate(tamp_ind(klon), stat = error); sum_error = sum_error + error
1234	allocate(tamp_zmasq(iim, jjm+1), stat = error); sum_error = sum_error + error
1235	do ig = 1, klon
1236	tamp_ind(ig) = ig
1237	enddo
1238	call gath2cpl(zmasq, tamp_zmasq, klon, klon, iim, jjm, tamp_ind)
1239	!
1240	! initialisation couplage
1241	!
1242	idtime = int(dtime)
1243	call inicma(npas , nexca, idtime,(jjm+1)*iim)
1244
1245	!
1246	! initialisation sorties netcdf
1247	!
1248	idayref = day_ini
1249	CALL ymds2ju(annee_ref, 1, idayref, 0.0, zjulian)
1250	CALL gr_fi_ecrit(1,klon,iim,jjm+1,rlon,zx_lon)
1251	DO i = 1, iim
1252	zx_lon(i,1) = rlon(i+1)
1253	zx_lon(i,jjm+1) = rlon(i+1)
1254	ENDDO
1255	CALL gr_fi_ecrit(1,klon,iim,jjm+1,rlat,zx_lat)
1256	clintocplnam="cpl_atm_tauflx"
1257	CALL histbeg(clintocplnam, iim,zx_lon(:,1),jjm+1,zx_lat(1,:),1,iim,1,jjm+1, &
1258	& itau_phy,zjulian,dtime,nhoridct,nidct)
1259	! no vertical axis
1260	CALL histdef(nidct, 'tauxe','tauxe', &
1261	& "-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
1262	CALL histdef(nidct, 'tauyn','tauyn', &
1263	& "-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
1264	CALL histdef(nidct, 'tmp_lon','tmp_lon', &
1265	& "-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
1266	CALL histdef(nidct, 'tmp_lat','tmp_lat', &
1267	& "-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
1268	DO jf=1,jpflda2o1 + jpflda2o2
1269	CALL histdef(nidct, cl_writ(jf),cl_writ(jf), &
1270	& "-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
1271	END DO
1272	CALL histend(nidct)
1273	CALL histsync(nidct)
1274
1275	clfromcplnam="cpl_atm_sst"
1276	CALL histbeg(clfromcplnam, iim,zx_lon(:,1),jjm+1,zx_lat(1,:),1,iim,1,jjm+1, &
1277	& 0,zjulian,dtime,nhoridcs,nidcs)
1278	! no vertical axis
1279	DO jf=1,jpfldo2a
1280	CALL histdef(nidcs, cl_read(jf),cl_read(jf), &
1281	& "-",iim, jjm+1, nhoridcs, 1, 1, 1, -99, 32, "inst", dtime,dtime)
1282	END DO
1283	CALL histend(nidcs)
1284	CALL histsync(nidcs)
1285
1286	! pour simuler la fonte des glaciers antarctiques
1287	!
1288	surf_maille = (4. * rpi * ra*2) / (iim (jjm +1))
1289	ALLOCATE(coeff_iceberg(iim,jjm+1), stat=error)
1290	if (error /= 0) then
1291	abort_message='Pb allocation variable coeff_iceberg'
1292	call abort_gcm(modname,abort_message,1)
1293	endif
1294	open (12,file='flux_iceberg',form='formatted',status='old')
1295	read (12,*) coeff_iceberg
1296	close (12)
1297	num_antarctic = max(1, count(coeff_iceberg > 0))
1298
1299	first_appel = .false.
1300	endif ! fin if (first_appel)
1301
1302	! Initialisations
1303
1304	! calcul des fluxs a passer
1305
1306	cpl_index = 1
1307	if (nisurf == is_sic) cpl_index = 2
1308	if (cumul) then
1309	if (check) write(,) modname, 'cumul des champs'
1310	do ig = 1, knon
1311	cpl_sols(ig,cpl_index) = cpl_sols(ig,cpl_index) &
1312	& + swdown(ig) / FLOAT(nexca)
1313	cpl_nsol(ig,cpl_index) = cpl_nsol(ig,cpl_index) &
1314	& + (lwdown(ig) + fluxlat(ig) +fluxsens(ig))&
1315	& / FLOAT(nexca)
1316	cpl_rain(ig,cpl_index) = cpl_rain(ig,cpl_index) &
1317	& + precip_rain(ig) / FLOAT(nexca)
1318	cpl_snow(ig,cpl_index) = cpl_snow(ig,cpl_index) &
1319	& + precip_snow(ig) / FLOAT(nexca)
1320	cpl_evap(ig,cpl_index) = cpl_evap(ig,cpl_index) &
1321	& + evap(ig) / FLOAT(nexca)
1322	cpl_tsol(ig,cpl_index) = cpl_tsol(ig,cpl_index) &
1323	& + tsurf(ig) / FLOAT(nexca)
1324	cpl_fder(ig,cpl_index) = cpl_fder(ig,cpl_index) &
1325	& + fder(ig) / FLOAT(nexca)
1326	cpl_albe(ig,cpl_index) = cpl_albe(ig,cpl_index) &
1327	& + albsol(ig) / FLOAT(nexca)
1328	cpl_taux(ig,cpl_index) = cpl_taux(ig,cpl_index) &
1329	& + taux(ig) / FLOAT(nexca)
1330	cpl_tauy(ig,cpl_index) = cpl_tauy(ig,cpl_index) &
1331	& + tauy(ig) / FLOAT(nexca)
1332	!!$ cpl_rriv(ig,cpl_index) = cpl_rriv(ig,cpl_index) &
1333	!!$ & + riverflow(ig) / FLOAT(nexca)/dtime
1334	!!$ cpl_rcoa(ig,cpl_index) = cpl_rcoa(ig,cpl_index) &
1335	!!$ & + coastalflow(ig) / FLOAT(nexca)/dtime
1336	enddo
1337	IF (cpl_index .EQ. 1) THEN
1338	cpl_rriv(:,:) = cpl_rriv(:,:) + tmp_rriv(:,:) / FLOAT(nexca)
1339	cpl_rcoa(:,:) = cpl_rcoa(:,:) + tmp_rcoa(:,:) / FLOAT(nexca)
1340	ENDIF
1341	endif
1342
1343	if (mod(itime, nexca) == 1) then
1344	!
1345	! Demande des champs au coupleur
1346	!
1347	! Si le domaine considere est l'ocean, on lit les champs venant du coupleur
1348	!
1349	if (nisurf == is_oce .and. .not. cumul) then
1350	if (check) write(,)'rentree fromcpl, itime-1 = ',itime-1
1351	call fromcpl(itime-1,(jjm+1)*iim, &
1352	& read_sst, read_sic, read_sit, read_alb_sic)
1353	!
1354	! sorties NETCDF des champs recus
1355	!
1356	ndexcs(:)=0
1357	itau_w = itau_phy + itime
1358	CALL histwrite(nidcs,cl_read(1),itau_w,read_sst,iim*(jjm+1),ndexcs)
1359	CALL histwrite(nidcs,cl_read(2),itau_w,read_sic,iim*(jjm+1),ndexcs)
1360	CALL histwrite(nidcs,cl_read(3),itau_w,read_alb_sic,iim*(jjm+1),ndexcs)
1361	CALL histwrite(nidcs,cl_read(4),itau_w,read_sit,iim*(jjm+1),ndexcs)
1362	CALL histsync(nidcs)
1363	! pas utile IF (npas-itime.LT.nexca )CALL histclo(nidcs)
1364
1365	do j = 1, jjm + 1
1366	do ig = 1, iim
1367	if (abs(1. - read_sic(ig,j)) < 0.00001) then
1368	read_sst(ig,j) = RTT - 1.8
1369	read_sit(ig,j) = read_sit(ig,j) / read_sic(ig,j)
1370	read_alb_sic(ig,j) = read_alb_sic(ig,j) / read_sic(ig,j)
1371	else if (abs(read_sic(ig,j)) < 0.00001) then
1372	read_sst(ig,j) = read_sst(ig,j) / (1. - read_sic(ig,j))
1373	read_sit(ig,j) = read_sst(ig,j)
1374	read_alb_sic(ig,j) = 0.6
1375	else
1376	read_sst(ig,j) = read_sst(ig,j) / (1. - read_sic(ig,j))
1377	read_sit(ig,j) = read_sit(ig,j) / read_sic(ig,j)
1378	read_alb_sic(ig,j) = read_alb_sic(ig,j) / read_sic(ig,j)
1379	endif
1380	enddo
1381	enddo
1382	!
1383	! transformer read_sic en pctsrf_sav
1384	!
1385	call cpl2gath(read_sic, tamp_sic , klon, klon,iim,jjm, unity)
1386	do ig = 1, klon
1387	IF (pctsrf(ig,is_oce) > epsfra .OR. &
1388	& pctsrf(ig,is_sic) > epsfra) THEN
1389	pctsrf_sav(ig,is_sic) = (pctsrf(ig,is_oce) + pctsrf(ig,is_sic)) &
1390	& * tamp_sic(ig)
1391	pctsrf_sav(ig,is_oce) = (pctsrf(ig,is_oce) + pctsrf(ig,is_sic)) &
1392	& - pctsrf_sav(ig,is_sic)
1393	endif
1394	enddo
1395	!
1396	! Pour rattraper des erreurs d'arrondis
1397	!
1398	where (abs(pctsrf_sav(:,is_sic)) .le. 2.*epsilon(pctsrf_sav(1,is_sic)))
1399	pctsrf_sav(:,is_sic) = 0.
1400	pctsrf_sav(:,is_oce) = pctsrf(:,is_oce) + pctsrf(:,is_sic)
1401	endwhere
1402	where (abs(pctsrf_sav(:,is_oce)) .le. 2.*epsilon(pctsrf_sav(1,is_oce)))
1403	pctsrf_sav(:,is_sic) = pctsrf(:,is_oce) + pctsrf(:,is_sic)
1404	pctsrf_sav(:,is_oce) = 0.
1405	endwhere
1406	if (minval(pctsrf_sav(:,is_oce)) < 0.) then
1407	write(,)'Pb fraction ocean inferieure a 0'
1408	write(,)'au point ',minloc(pctsrf_sav(:,is_oce))
1409	write(,)'valeur = ',minval(pctsrf_sav(:,is_oce))
1410	abort_message = 'voir ci-dessus'
1411	call abort_gcm(modname,abort_message,1)
1412	endif
1413	if (minval(pctsrf_sav(:,is_sic)) < 0.) then
1414	write(,)'Pb fraction glace inferieure a 0'
1415	write(,)'au point ',minloc(pctsrf_sav(:,is_sic))
1416	write(,)'valeur = ',minval(pctsrf_sav(:,is_sic))
1417	abort_message = 'voir ci-dessus'
1418	call abort_gcm(modname,abort_message,1)
1419	endif
1420	endif
1421	endif ! fin mod(itime, nexca) == 1
1422
1423	if (mod(itime, nexca) == 0) then
1424	!
1425	! allocation memoire
1426	if (nisurf == is_oce .and. (.not. cumul) ) then
1427	sum_error = 0
1428	allocate(tmp_sols(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1429	allocate(tmp_nsol(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1430	allocate(tmp_rain(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1431	allocate(tmp_snow(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1432	allocate(tmp_evap(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1433	allocate(tmp_tsol(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1434	allocate(tmp_fder(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1435	allocate(tmp_albe(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1436	allocate(tmp_taux(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1437	allocate(tmp_tauy(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1438	!!$ allocate(tmp_rriv(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1439	!!$ allocate(tmp_rcoa(iim,jjm+1,2), stat=error); sum_error = sum_error + error
1440	if (sum_error /= 0) then
1441	abort_message='Pb allocation variables couplees pour l''ecriture'
1442	call abort_gcm(modname,abort_message,1)
1443	endif
1444	endif
1445
1446	!
1447	! Mise sur la bonne grille des champs a passer au coupleur
1448	!
1449	cpl_index = 1
1450	if (nisurf == is_sic) cpl_index = 2
1451	call gath2cpl(cpl_sols(1,cpl_index), tmp_sols(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1452	call gath2cpl(cpl_nsol(1,cpl_index), tmp_nsol(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1453	call gath2cpl(cpl_rain(1,cpl_index), tmp_rain(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1454	call gath2cpl(cpl_snow(1,cpl_index), tmp_snow(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1455	call gath2cpl(cpl_evap(1,cpl_index), tmp_evap(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1456	call gath2cpl(cpl_tsol(1,cpl_index), tmp_tsol(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1457	call gath2cpl(cpl_fder(1,cpl_index), tmp_fder(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1458	call gath2cpl(cpl_albe(1,cpl_index), tmp_albe(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1459	call gath2cpl(cpl_taux(1,cpl_index), tmp_taux(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1460	call gath2cpl(cpl_tauy(1,cpl_index), tmp_tauy(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1461	!!$ call gath2cpl(cpl_rriv(1,cpl_index), tmp_rriv(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1462	!!$ call gath2cpl(cpl_rcoa(1,cpl_index), tmp_rcoa(1,1,cpl_index), klon, knon,iim,jjm, knindex)
1463
1464	!
1465	! Si le domaine considere est la banquise, on envoie les champs au coupleur
1466	!
1467	if (nisurf == is_sic .and. cumul) then
1468	wri_rain = 0.; wri_snow = 0.; wri_rcoa = 0.; wri_rriv = 0.
1469	wri_taux = 0.; wri_tauy = 0.
1470	call gath2cpl(pctsrf(1,is_oce), tamp_srf(1,1,1), klon, klon, iim, jjm, tamp_ind)
1471	call gath2cpl(pctsrf(1,is_sic), tamp_srf(1,1,2), klon, klon, iim, jjm, tamp_ind)
1472
1473	wri_sol_ice = tmp_sols(:,:,2)
1474	wri_sol_sea = tmp_sols(:,:,1)
1475	wri_nsol_ice = tmp_nsol(:,:,2)
1476	wri_nsol_sea = tmp_nsol(:,:,1)
1477	wri_fder_ice = tmp_fder(:,:,2)
1478	wri_evap_ice = tmp_evap(:,:,2)
1479	wri_evap_sea = tmp_evap(:,:,1)
1480	!!$PB
1481	wri_rriv = cpl_rriv(:,:)
1482	wri_rcoa = cpl_rcoa(:,:)
1483
1484	where (tamp_zmasq /= 1.)
1485	deno = tamp_srf(:,:,1) + tamp_srf(:,:,2)
1486	wri_rain = tmp_rain(:,:,1) * tamp_srf(:,:,1) / deno + &
1487	& tmp_rain(:,:,2) * tamp_srf(:,:,2) / deno
1488	wri_snow = tmp_snow(:,:,1) * tamp_srf(:,:,1) / deno + &
1489	& tmp_snow(:,:,2) * tamp_srf(:,:,2) / deno
1490	!!$PB
1491	!!$ wri_rriv = tmp_rriv(:,:,1) * tamp_srf(:,:,1) / deno + &
1492	!!$ & tmp_rriv(:,:,2) * tamp_srf(:,:,2) / deno
1493	!!$ wri_rcoa = tmp_rcoa(:,:,1) * tamp_srf(:,:,1) / deno + &
1494	!!$ & tmp_rcoa(:,:,2) * tamp_srf(:,:,2) / deno
1495	wri_taux = tmp_taux(:,:,1) * tamp_srf(:,:,1) / deno + &
1496	& tmp_taux(:,:,2) * tamp_srf(:,:,2) / deno
1497	wri_tauy = tmp_tauy(:,:,1) * tamp_srf(:,:,1) / deno + &
1498	& tmp_tauy(:,:,2) * tamp_srf(:,:,2) / deno
1499	endwhere
1500	!
1501	! pour simuler la fonte des glaciers antarctiques
1502	!
1503	wri_rain = wri_rain &
1504	& + coeff_iceberg * cte_flux_iceberg / (num_antarctic * surf_maille)
1505
1506	!
1507	! on passe les coordonnées de la grille
1508	!
1509
1510	CALL gr_fi_ecrit(1,klon,iim,jjm+1,rlon,tmp_lon)
1511	CALL gr_fi_ecrit(1,klon,iim,jjm+1,rlat,tmp_lat)
1512
1513	DO i = 1, iim
1514	tmp_lon(i,1) = rlon(i+1)
1515	tmp_lon(i,jjm + 1) = rlon(i+1)
1516	ENDDO
1517	!
1518	! sortie netcdf des champs pour le changement de repere
1519	!
1520	ndexct(:)=0
1521	CALL histwrite(nidct,'tauxe',itau_w,wri_taux,iim*(jjm+1),ndexct)
1522	CALL histwrite(nidct,'tauyn',itau_w,wri_tauy,iim*(jjm+1),ndexct)
1523	CALL histwrite(nidct,'tmp_lon',itau_w,tmp_lon,iim*(jjm+1),ndexct)
1524	CALL histwrite(nidct,'tmp_lat',itau_w,tmp_lat,iim*(jjm+1),ndexct)
1525
1526	!
1527	! calcul 3 coordonnées du vent
1528	!
1529	CALL atm2geo (iim , jjm + 1, wri_taux, wri_tauy, tmp_lon, tmp_lat, &
1530	& wri_tauxx, wri_tauyy, wri_tauzz )
1531	!
1532	! sortie netcdf des champs apres changement de repere et juste avant
1533	! envoi au coupleur
1534	!
1535	CALL histwrite(nidct,cl_writ(1),itau_w,wri_sol_ice,iim*(jjm+1),ndexct)
1536	CALL histwrite(nidct,cl_writ(2),itau_w,wri_sol_sea,iim*(jjm+1),ndexct)
1537	CALL histwrite(nidct,cl_writ(3),itau_w,wri_nsol_ice,iim*(jjm+1),ndexct)
1538	CALL histwrite(nidct,cl_writ(4),itau_w,wri_nsol_sea,iim*(jjm+1),ndexct)
1539	CALL histwrite(nidct,cl_writ(5),itau_w,wri_fder_ice,iim*(jjm+1),ndexct)
1540	CALL histwrite(nidct,cl_writ(6),itau_w,wri_evap_ice,iim*(jjm+1),ndexct)
1541	CALL histwrite(nidct,cl_writ(7),itau_w,wri_evap_sea,iim*(jjm+1),ndexct)
1542	CALL histwrite(nidct,cl_writ(8),itau_w,wri_rain,iim*(jjm+1),ndexct)
1543	CALL histwrite(nidct,cl_writ(9),itau_w,wri_snow,iim*(jjm+1),ndexct)
1544	CALL histwrite(nidct,cl_writ(10),itau_w,wri_rcoa,iim*(jjm+1),ndexct)
1545	CALL histwrite(nidct,cl_writ(11),itau_w,wri_rriv,iim*(jjm+1),ndexct)
1546	CALL histwrite(nidct,cl_writ(12),itau_w,wri_tauxx,iim*(jjm+1),ndexct)
1547	CALL histwrite(nidct,cl_writ(13),itau_w,wri_tauyy,iim*(jjm+1),ndexct)
1548	CALL histwrite(nidct,cl_writ(14),itau_w,wri_tauzz,iim*(jjm+1),ndexct)
1549	CALL histwrite(nidct,cl_writ(15),itau_w,wri_tauxx,iim*(jjm+1),ndexct)
1550	CALL histwrite(nidct,cl_writ(16),itau_w,wri_tauyy,iim*(jjm+1),ndexct)
1551	CALL histwrite(nidct,cl_writ(17),itau_w,wri_tauzz,iim*(jjm+1),ndexct)
1552	CALL histsync(nidct)
1553	! pas utile IF (lafin) CALL histclo(nidct)
1554
1555	call intocpl(itime, (jjm+1)*iim, wri_sol_ice, wri_sol_sea, wri_nsol_ice,&
1556	& wri_nsol_sea, wri_fder_ice, wri_evap_ice, wri_evap_sea, wri_rain, &
1557	& wri_snow, wri_rcoa, wri_rriv, wri_tauxx, wri_tauyy, wri_tauzz, &
1558	& wri_tauxx, wri_tauyy, wri_tauzz,lafin )
1559	!
1560	cpl_sols = 0.; cpl_nsol = 0.; cpl_rain = 0.; cpl_snow = 0.
1561	cpl_evap = 0.; cpl_tsol = 0.; cpl_fder = 0.; cpl_albe = 0.
1562	cpl_taux = 0.; cpl_tauy = 0.; cpl_rriv = 0.; cpl_rcoa = 0.
1563	!
1564	! deallocation memoire variables temporaires
1565	!
1566	sum_error = 0
1567	deallocate(tmp_sols, stat=error); sum_error = sum_error + error
1568	deallocate(tmp_nsol, stat=error); sum_error = sum_error + error
1569	deallocate(tmp_rain, stat=error); sum_error = sum_error + error
1570	deallocate(tmp_snow, stat=error); sum_error = sum_error + error
1571	deallocate(tmp_evap, stat=error); sum_error = sum_error + error
1572	deallocate(tmp_fder, stat=error); sum_error = sum_error + error
1573	deallocate(tmp_tsol, stat=error); sum_error = sum_error + error
1574	deallocate(tmp_albe, stat=error); sum_error = sum_error + error
1575	deallocate(tmp_taux, stat=error); sum_error = sum_error + error
1576	deallocate(tmp_tauy, stat=error); sum_error = sum_error + error
1577	!!$PB
1578	!!$ deallocate(tmp_rriv, stat=error); sum_error = sum_error + error
1579	!!$ deallocate(tmp_rcoa, stat=error); sum_error = sum_error + error
1580	if (sum_error /= 0) then
1581	abort_message='Pb deallocation variables couplees'
1582	call abort_gcm(modname,abort_message,1)
1583	endif
1584
1585	endif
1586
1587	endif ! fin (mod(itime, nexca) == 0)
1588	!
1589	! on range les variables lues/sauvegardees dans les bonnes variables de sortie
1590	!
1591	if (nisurf == is_oce) then
1592	call cpl2gath(read_sst, tsurf_new, klon, knon,iim,jjm, knindex)
1593	else if (nisurf == is_sic) then
1594	call cpl2gath(read_sit, tsurf_new, klon, knon,iim,jjm, knindex)
1595	call cpl2gath(read_alb_sic, alb_new, klon, knon,iim,jjm, knindex)
1596	endif
1597	pctsrf_new(:,nisurf) = pctsrf_sav(:,nisurf)
1598
1599	! if (lafin) call quitcpl
1600
1601	END SUBROUTINE interfoce_cpl
1602	!
1603	!#########################################################################
1604	!
1605
1606	SUBROUTINE interfoce_slab(nisurf)
1607
1608	! Cette routine sert d'interface entre le modele atmospherique et un
1609	! modele de 'slab' ocean
1610	!
1611	! L. Fairhead 02/2000
1612	!
1613	! input:
1614	! nisurf index de la surface a traiter (1 = sol continental)
1615	!
1616	! output:
1617	!
1618
1619	! Parametres d'entree
1620	integer, intent(IN) :: nisurf
1621
1622	END SUBROUTINE interfoce_slab
1623	!
1624	!#########################################################################
1625	!
1626	SUBROUTINE interfoce_lim(itime, dtime, jour, &
1627	& klon, nisurf, knon, knindex, &
1628	& debut, &
1629	& lmt_sst, pctsrf_new)
1630
1631	! Cette routine sert d'interface entre le modele atmospherique et un fichier
1632	! de conditions aux limites
1633	!
1634	! L. Fairhead 02/2000
1635	!
1636	! input:
1637	! itime numero du pas de temps courant
1638	! dtime pas de temps de la physique (en s)
1639	! jour jour a lire dans l'annee
1640	! nisurf index de la surface a traiter (1 = sol continental)
1641	! knon nombre de points dans le domaine a traiter
1642	! knindex index des points de la surface a traiter
1643	! klon taille de la grille
1644	! debut logical: 1er appel a la physique (initialisation)
1645	!
1646	! output:
1647	! lmt_sst SST lues dans le fichier de CL
1648	! pctsrf_new sous-maille fractionnelle
1649	!
1650
1651
1652	! Parametres d'entree
1653	integer, intent(IN) :: itime
1654	real , intent(IN) :: dtime
1655	integer, intent(IN) :: jour
1656	integer, intent(IN) :: nisurf
1657	integer, intent(IN) :: knon
1658	integer, intent(IN) :: klon
1659	integer, dimension(klon), intent(in) :: knindex
1660	logical, intent(IN) :: debut
1661
1662	! Parametres de sortie
1663	real, intent(out), dimension(klon) :: lmt_sst
1664	real, intent(out), dimension(klon,nbsrf) :: pctsrf_new
1665
1666	! Variables locales
1667	integer :: ii
1668	INTEGER,save :: lmt_pas ! frequence de lecture des conditions limites
1669	! (en pas de physique)
1670	logical,save :: deja_lu ! pour indiquer que le jour a lire a deja
1671	! lu pour une surface precedente
1672	integer,save :: jour_lu
1673	integer :: ierr
1674	character (len = 20) :: modname = 'interfoce_lim'
1675	character (len = 80) :: abort_message
1676	character (len = 20),save :: fich ='limit.nc'
1677	logical, save :: newlmt = .TRUE.
1678	logical, save :: check = .FALSE.
1679	! Champs lus dans le fichier de CL
1680	real, allocatable , save, dimension(:) :: sst_lu, rug_lu, nat_lu
1681	real, allocatable , save, dimension(:,:) :: pct_tmp
1682	!
1683	! quelques variables pour netcdf
1684	!
1685	#include "netcdf.inc"
1686	integer :: nid, nvarid
1687	integer, dimension(2) :: start, epais
1688	!
1689	! Fin déclaration
1690	!
1691
1692	if (debut .and. .not. allocated(sst_lu)) then
1693	lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour
1694	jour_lu = jour - 1
1695	allocate(sst_lu(klon))
1696	allocate(nat_lu(klon))
1697	allocate(pct_tmp(klon,nbsrf))
1698	endif
1699
1700	if ((jour - jour_lu) /= 0) deja_lu = .false.
1701
1702	if (check) write(,)modname,' :: jour, jour_lu, deja_lu', jour, jour_lu, deja_lu
1703	if (check) write(,)modname,' :: itime, lmt_pas ', itime, lmt_pas,dtime
1704
1705	! Tester d'abord si c'est le moment de lire le fichier
1706	if (mod(itime-1, lmt_pas) == 0 .and. .not. deja_lu) then
1707	!
1708	! Ouverture du fichier
1709	!
1710	fich = trim(fich)
1711	ierr = NF_OPEN (fich, NF_NOWRITE,nid)
1712	if (ierr.NE.NF_NOERR) then
1713	abort_message = 'Pb d''ouverture du fichier de conditions aux limites'
1714	call abort_gcm(modname,abort_message,1)
1715	endif
1716	!
1717	! La tranche de donnees a lire:
1718	!
1719	start(1) = 1
1720	start(2) = jour + 1
1721	epais(1) = klon
1722	epais(2) = 1
1723	!
1724	if (newlmt) then
1725	!
1726	! Fraction "ocean"
1727	!
1728	ierr = NF_INQ_VARID(nid, 'FOCE', nvarid)
1729	if (ierr /= NF_NOERR) then
1730	abort_message = 'Le champ <FOCE> est absent'
1731	call abort_gcm(modname,abort_message,1)
1732	endif
1733	#ifdef NC_DOUBLE
1734	ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais,pct_tmp(1,is_oce))
1735	#else
1736	ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais,pct_tmp(1,is_oce))
1737	#endif
1738	if (ierr /= NF_NOERR) then
1739	abort_message = 'Lecture echouee pour <FOCE>'
1740	call abort_gcm(modname,abort_message,1)
1741	endif
1742	!
1743	! Fraction "glace de mer"
1744	!
1745	ierr = NF_INQ_VARID(nid, 'FSIC', nvarid)
1746	if (ierr /= NF_NOERR) then
1747	abort_message = 'Le champ <FSIC> est absent'
1748	call abort_gcm(modname,abort_message,1)
1749	endif
1750	#ifdef NC_DOUBLE
1751	ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais,pct_tmp(1,is_sic))
1752	#else
1753	ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais,pct_tmp(1,is_sic))
1754	#endif
1755	if (ierr /= NF_NOERR) then
1756	abort_message = 'Lecture echouee pour <FSIC>'
1757	call abort_gcm(modname,abort_message,1)
1758	endif
1759	!
1760	! Fraction "terre"
1761	!
1762	ierr = NF_INQ_VARID(nid, 'FTER', nvarid)
1763	if (ierr /= NF_NOERR) then
1764	abort_message = 'Le champ <FTER> est absent'
1765	call abort_gcm(modname,abort_message,1)
1766	endif
1767	#ifdef NC_DOUBLE
1768	ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais,pct_tmp(1,is_ter))
1769	#else
1770	ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais,pct_tmp(1,is_ter))
1771	#endif
1772	if (ierr /= NF_NOERR) then
1773	abort_message = 'Lecture echouee pour <FTER>'
1774	call abort_gcm(modname,abort_message,1)
1775	endif
1776	!
1777	! Fraction "glacier terre"
1778	!
1779	ierr = NF_INQ_VARID(nid, 'FLIC', nvarid)
1780	if (ierr /= NF_NOERR) then
1781	abort_message = 'Le champ <FLIC> est absent'
1782	call abort_gcm(modname,abort_message,1)
1783	endif
1784	#ifdef NC_DOUBLE
1785	ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais,pct_tmp(1,is_lic))
1786	#else
1787	ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais,pct_tmp(1,is_lic))
1788	#endif
1789	if (ierr /= NF_NOERR) then
1790	abort_message = 'Lecture echouee pour <FLIC>'
1791	call abort_gcm(modname,abort_message,1)
1792	endif
1793	!
1794	else ! on en est toujours a rnatur
1795	!
1796	ierr = NF_INQ_VARID(nid, 'NAT', nvarid)
1797	if (ierr /= NF_NOERR) then
1798	abort_message = 'Le champ <NAT> est absent'
1799	call abort_gcm(modname,abort_message,1)
1800	endif
1801	#ifdef NC_DOUBLE
1802	ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais, nat_lu)
1803	#else
1804	ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, nat_lu)
1805	#endif
1806	if (ierr /= NF_NOERR) then
1807	abort_message = 'Lecture echouee pour <NAT>'
1808	call abort_gcm(modname,abort_message,1)
1809	endif
1810	!
1811	! Remplissage des fractions de surface
1812	! nat = 0, 1, 2, 3 pour ocean, terre, glacier, seaice
1813	!
1814	pct_tmp = 0.0
1815	do ii = 1, klon
1816	pct_tmp(ii,nint(nat_lu(ii)) + 1) = 1.
1817	enddo
1818
1819	!
1820	! On se retrouve avec ocean en 1 et terre en 2 alors qu'on veut le contraire
1821	!
1822	pctsrf_new = pct_tmp
1823	pctsrf_new (:,2)= pct_tmp (:,1)
1824	pctsrf_new (:,1)= pct_tmp (:,2)
1825	pct_tmp = pctsrf_new
1826	endif ! fin test sur newlmt
1827	!
1828	! Lecture SST
1829	!
1830	ierr = NF_INQ_VARID(nid, 'SST', nvarid)
1831	if (ierr /= NF_NOERR) then
1832	abort_message = 'Le champ <SST> est absent'
1833	call abort_gcm(modname,abort_message,1)
1834	endif
1835	#ifdef NC_DOUBLE
1836	ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais, sst_lu)
1837	#else
1838	ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, sst_lu)
1839	#endif
1840	if (ierr /= NF_NOERR) then
1841	abort_message = 'Lecture echouee pour <SST>'
1842	call abort_gcm(modname,abort_message,1)
1843	endif
1844
1845	!
1846	! Fin de lecture
1847	!
1848	ierr = NF_CLOSE(nid)
1849	deja_lu = .true.
1850	jour_lu = jour
1851	endif
1852	!
1853	! Recopie des variables dans les champs de sortie
1854	!
1855	lmt_sst = 999999999.
1856	do ii = 1, knon
1857	lmt_sst(ii) = sst_lu(knindex(ii))
1858	enddo
1859
1860	pctsrf_new(:,is_oce) = pct_tmp(:,is_oce)
1861	pctsrf_new(:,is_sic) = pct_tmp(:,is_sic)
1862
1863	END SUBROUTINE interfoce_lim
1864
1865	!
1866	!#########################################################################
1867	!
1868	SUBROUTINE interfsur_lim(itime, dtime, jour, &
1869	& klon, nisurf, knon, knindex, &
1870	& debut, &
1871	& lmt_alb, lmt_rug)
1872
1873	! Cette routine sert d'interface entre le modele atmospherique et un fichier
1874	! de conditions aux limites
1875	!
1876	! L. Fairhead 02/2000
1877	!
1878	! input:
1879	! itime numero du pas de temps courant
1880	! dtime pas de temps de la physique (en s)
1881	! jour jour a lire dans l'annee
1882	! nisurf index de la surface a traiter (1 = sol continental)
1883	! knon nombre de points dans le domaine a traiter
1884	! knindex index des points de la surface a traiter
1885	! klon taille de la grille
1886	! debut logical: 1er appel a la physique (initialisation)
1887	!
1888	! output:
1889	! lmt_sst SST lues dans le fichier de CL
1890	! lmt_alb Albedo lu
1891	! lmt_rug longueur de rugosité lue
1892	! pctsrf_new sous-maille fractionnelle
1893	!
1894
1895
1896	! Parametres d'entree
1897	integer, intent(IN) :: itime
1898	real , intent(IN) :: dtime
1899	integer, intent(IN) :: jour
1900	integer, intent(IN) :: nisurf
1901	integer, intent(IN) :: knon
1902	integer, intent(IN) :: klon
1903	integer, dimension(klon), intent(in) :: knindex
1904	logical, intent(IN) :: debut
1905
1906	! Parametres de sortie
1907	real, intent(out), dimension(klon) :: lmt_alb
1908	real, intent(out), dimension(klon) :: lmt_rug
1909
1910	! Variables locales
1911	integer :: ii
1912	integer,save :: lmt_pas ! frequence de lecture des conditions limites
1913	! (en pas de physique)
1914	logical,save :: deja_lu_sur! pour indiquer que le jour a lire a deja
1915	! lu pour une surface precedente
1916	integer,save :: jour_lu_sur
1917	integer :: ierr
1918	character (len = 20) :: modname = 'interfsur_lim'
1919	character (len = 80) :: abort_message
1920	character (len = 20),save :: fich ='limit.nc'
1921	logical,save :: newlmt = .false.
1922	logical,save :: check = .FALSE.
1923	! Champs lus dans le fichier de CL
1924	real, allocatable , save, dimension(:) :: alb_lu, rug_lu
1925	!
1926	! quelques variables pour netcdf
1927	!
1928	#include "netcdf.inc"
1929	integer ,save :: nid, nvarid
1930	integer, dimension(2),save :: start, epais
1931	!
1932	! Fin déclaration
1933	!
1934
1935	if (debut) then
1936	lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour
1937	jour_lu_sur = jour - 1
1938	allocate(alb_lu(klon))
1939	allocate(rug_lu(klon))
1940	endif
1941
1942	if ((jour - jour_lu_sur) /= 0) deja_lu_sur = .false.
1943
1944	if (check) write(,)modname,':: jour_lu_sur, deja_lu_sur', jour_lu_sur, deja_lu_sur
1945	if (check) write(,)modname,':: itime, lmt_pas', itime, lmt_pas
1946	call flush(6)
1947
1948	! Tester d'abord si c'est le moment de lire le fichier
1949	if (mod(itime-1, lmt_pas) == 0 .and. .not. deja_lu_sur) then
1950	!
1951	! Ouverture du fichier
1952	!
1953	fich = trim(fich)
1954	ierr = NF_OPEN (fich, NF_NOWRITE,nid)
1955	if (ierr.NE.NF_NOERR) then
1956	abort_message = 'Pb d''ouverture du fichier de conditions aux limites'
1957	call abort_gcm(modname,abort_message,1)
1958	endif
1959	!
1960	! La tranche de donnees a lire:
1961
1962	start(1) = 1
1963	start(2) = jour + 1
1964	epais(1) = klon
1965	epais(2) = 1
1966	!
1967	! Lecture Albedo
1968	!
1969	ierr = NF_INQ_VARID(nid, 'ALB', nvarid)
1970	if (ierr /= NF_NOERR) then
1971	abort_message = 'Le champ <ALB> est absent'
1972	call abort_gcm(modname,abort_message,1)
1973	endif
1974	#ifdef NC_DOUBLE
1975	ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais, alb_lu)
1976	#else
1977	ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, alb_lu)
1978	#endif
1979	if (ierr /= NF_NOERR) then
1980	abort_message = 'Lecture echouee pour <ALB>'
1981	call abort_gcm(modname,abort_message,1)
1982	endif
1983	!
1984	! Lecture rugosité
1985	!
1986	ierr = NF_INQ_VARID(nid, 'RUG', nvarid)
1987	if (ierr /= NF_NOERR) then
1988	abort_message = 'Le champ <RUG> est absent'
1989	call abort_gcm(modname,abort_message,1)
1990	endif
1991	#ifdef NC_DOUBLE
1992	ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais, rug_lu)
1993	#else
1994	ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, rug_lu)
1995	#endif
1996	if (ierr /= NF_NOERR) then
1997	abort_message = 'Lecture echouee pour <RUG>'
1998	call abort_gcm(modname,abort_message,1)
1999	endif
2000
2001	!
2002	! Fin de lecture
2003	!
2004	ierr = NF_CLOSE(nid)
2005	deja_lu_sur = .true.
2006	jour_lu_sur = jour
2007	endif
2008	!
2009	! Recopie des variables dans les champs de sortie
2010	!
2011	!!$ lmt_alb(:) = 0.0
2012	!!$ lmt_rug(:) = 0.0
2013	lmt_alb(:) = 999999.
2014	lmt_rug(:) = 999999.
2015	DO ii = 1, knon
2016	lmt_alb(ii) = alb_lu(knindex(ii))
2017	lmt_rug(ii) = rug_lu(knindex(ii))
2018	enddo
2019
2020	END SUBROUTINE interfsur_lim
2021
2022	!
2023	!#########################################################################
2024	!
2025
2026	SUBROUTINE calcul_fluxs( klon, knon, nisurf, dtime, &
2027	& tsurf, p1lay, cal, beta, coef1lay, ps, &
2028	& precip_rain, precip_snow, snow, qsol, &
2029	& radsol, dif_grnd, t1lay, q1lay, u1lay, v1lay, &
2030	& petAcoef, peqAcoef, petBcoef, peqBcoef, &
2031	& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l)
2032
2033	! Cette routine calcule les fluxs en h et q a l'interface et eventuellement
2034	! une temperature de surface (au cas ou ok_veget = false)
2035	!
2036	! L. Fairhead 4/2000
2037	!
2038	! input:
2039	! knon nombre de points a traiter
2040	! nisurf surface a traiter
2041	! tsurf temperature de surface
2042	! p1lay pression 1er niveau (milieu de couche)
2043	! cal capacite calorifique du sol
2044	! beta evap reelle
2045	! coef1lay coefficient d'echange
2046	! ps pression au sol
2047	! precip_rain precipitations liquides
2048	! precip_snow precipitations solides
2049	! snow champs hauteur de neige
2050	! qsol humidite du sol
2051	! runoff runoff en cas de trop plein
2052	! petAcoef coeff. A de la resolution de la CL pour t
2053	! peqAcoef coeff. A de la resolution de la CL pour q
2054	! petBcoef coeff. B de la resolution de la CL pour t
2055	! peqBcoef coeff. B de la resolution de la CL pour q
2056	! radsol rayonnement net aus sol (LW + SW)
2057	! dif_grnd coeff. diffusion vers le sol profond
2058	!
2059	! output:
2060	! tsurf_new temperature au sol
2061	! fluxsens flux de chaleur sensible
2062	! fluxlat flux de chaleur latente
2063	! dflux_s derivee du flux de chaleur sensible / Ts
2064	! dflux_l derivee du flux de chaleur latente / Ts
2065	!
2066
2067	#include "YOETHF.inc"
2068	#include "FCTTRE.inc"
2069	#include "indicesol.inc"
2070
2071	! Parametres d'entree
2072	integer, intent(IN) :: knon, nisurf, klon
2073	real , intent(IN) :: dtime
2074	real, dimension(klon), intent(IN) :: petAcoef, peqAcoef
2075	real, dimension(klon), intent(IN) :: petBcoef, peqBcoef
2076	real, dimension(klon), intent(IN) :: ps, q1lay
2077	real, dimension(klon), intent(IN) :: tsurf, p1lay, cal, beta, coef1lay
2078	real, dimension(klon), intent(IN) :: precip_rain, precip_snow
2079	real, dimension(klon), intent(IN) :: radsol, dif_grnd
2080	real, dimension(klon), intent(IN) :: t1lay, u1lay, v1lay
2081	real, dimension(klon), intent(INOUT) :: snow, qsol
2082
2083	! Parametres sorties
2084	real, dimension(klon), intent(OUT):: tsurf_new, evap, fluxsens, fluxlat
2085	real, dimension(klon), intent(OUT):: dflux_s, dflux_l
2086
2087	! Variables locales
2088	integer :: i
2089	real, dimension(klon) :: zx_mh, zx_nh, zx_oh
2090	real, dimension(klon) :: zx_mq, zx_nq, zx_oq
2091	real, dimension(klon) :: zx_pkh, zx_dq_s_dt, zx_qsat, zx_coef
2092	real, dimension(klon) :: zx_sl, zx_k1
2093	real, dimension(klon) :: zx_q_0 , d_ts
2094	real :: zdelta, zcvm5, zx_qs, zcor, zx_dq_s_dh
2095	real :: bilan_f, fq_fonte
2096	REAL :: subli, fsno
2097	real, parameter :: t_grnd = 271.35, t_coup = 273.15
2098	!! PB temporaire en attendant mieux pour le modele de neige
2099	REAL, parameter :: chasno = 3.334E+05/(2.3867E+06*0.15)
2100	!
2101	logical, save :: check = .FALSE.
2102	character (len = 20) :: modname = 'calcul_fluxs'
2103	logical, save :: fonte_neige = .false.
2104	real, save :: max_eau_sol = 150.0
2105	character (len = 80) :: abort_message
2106	logical,save :: first = .true.,second=.false.
2107
2108	if (check) write(,)'Entree ', modname,' surface = ',nisurf
2109
2110	if (size(coastalflow) /= knon .AND. nisurf == is_ter) then
2111	write(,)'Bizarre, le nombre de points continentaux'
2112	write(,)'a change entre deux appels. J''arrete ...'
2113	abort_message='Pb run_off'
2114	call abort_gcm(modname,abort_message,1)
2115	endif
2116	!
2117	! Traitement neige et humidite du sol
2118	!
2119	!!$ WRITE(,)'test calcul_flux, surface ', nisurf
2120	!!PB test
2121	!!$ if (nisurf == is_oce) then
2122	!!$ snow = 0.
2123	!!$ qsol = max_eau_sol
2124	!!$ else
2125	!!$ where (precip_snow > 0.) snow = snow + (precip_snow * dtime)
2126	!!$ where (snow > epsilon(snow)) snow = max(0.0, snow - (evap * dtime))
2127	!!$! snow = max(0.0, snow + (precip_snow - evap) * dtime)
2128	!!$ where (precip_rain > 0.) qsol = qsol + (precip_rain - evap) * dtime
2129	!!$ endif
2130	IF (nisurf /= is_ter) qsol = max_eau_sol
2131
2132
2133	!
2134	! Initialisation
2135	!
2136	evap = 0.
2137	fluxsens=0.
2138	fluxlat=0.
2139	dflux_s = 0.
2140	dflux_l = 0.
2141	!
2142	! zx_qs = qsat en kg/kg
2143	!
2144	DO i = 1, knon
2145	zx_pkh(i) = (ps(i)/ps(i))**RKAPPA
2146	IF (thermcep) THEN
2147	zdelta=MAX(0.,SIGN(1.,rtt-tsurf(i)))
2148	zcvm5 = R5LESRLVTT(1.-zdelta) + R5IESRLSTTzdelta
2149	zcvm5 = zcvm5 / RCPD / (1.0+RVTMP2*q1lay(i))
2150	zx_qs= r2es * FOEEW(tsurf(i),zdelta)/ps(i)
2151	zx_qs=MIN(0.5,zx_qs)
2152	zcor=1./(1.-retv*zx_qs)
2153	zx_qs=zx_qs*zcor
2154	zx_dq_s_dh = FOEDE(tsurf(i),zdelta,zcvm5,zx_qs,zcor) &
2155	& /RLVTT / zx_pkh(i)
2156	ELSE
2157	IF (tsurf(i).LT.t_coup) THEN
2158	zx_qs = qsats(tsurf(i)) / ps(i)
2159	zx_dq_s_dh = dqsats(tsurf(i),zx_qs)/RLVTT &
2160	& / zx_pkh(i)
2161	ELSE
2162	zx_qs = qsatl(tsurf(i)) / ps(i)
2163	zx_dq_s_dh = dqsatl(tsurf(i),zx_qs)/RLVTT &
2164	& / zx_pkh(i)
2165	ENDIF
2166	ENDIF
2167	zx_dq_s_dt(i) = RCPD * zx_pkh(i) * zx_dq_s_dh
2168	zx_qsat(i) = zx_qs
2169	zx_coef(i) = coef1lay(i) &
2170	& * (1.0+SQRT(u1lay(i)2+v1lay(i)2)) &
2171	& * p1lay(i)/(RD*t1lay(i))
2172
2173	ENDDO
2174
2175
2176	! === Calcul de la temperature de surface ===
2177	!
2178	! zx_sl = chaleur latente d'evaporation ou de sublimation
2179	!
2180	do i = 1, knon
2181	zx_sl(i) = RLVTT
2182	if (tsurf(i) .LT. RTT) zx_sl(i) = RLSTT
2183	zx_k1(i) = zx_coef(i)
2184	enddo
2185
2186
2187	do i = 1, knon
2188	! Q
2189	zx_oq(i) = 1. - (beta(i) * zx_k1(i) * peqBcoef(i) * dtime)
2190	zx_mq(i) = beta(i) * zx_k1(i) * &
2191	& (peqAcoef(i) - zx_qsat(i) &
2192	& + zx_dq_s_dt(i) * tsurf(i)) &
2193	& / zx_oq(i)
2194	zx_nq(i) = beta(i) * zx_k1(i) * (-1. * zx_dq_s_dt(i)) &
2195	& / zx_oq(i)
2196
2197	! H
2198	zx_oh(i) = 1. - (zx_k1(i) * petBcoef(i) * dtime)
2199	zx_mh(i) = zx_k1(i) * petAcoef(i) / zx_oh(i)
2200	zx_nh(i) = - (zx_k1(i) * RCPD * zx_pkh(i))/ zx_oh(i)
2201
2202	! Tsurface
2203	tsurf_new(i) = (tsurf(i) + cal(i)/(RCPD * zx_pkh(i)) * dtime * &
2204	& (radsol(i) + zx_mh(i) + zx_sl(i) * zx_mq(i)) &
2205	& + dif_grnd(i) * t_grnd * dtime)/ &
2206	& ( 1. - dtime * cal(i)/(RCPD * zx_pkh(i)) * ( &
2207	& zx_nh(i) + zx_sl(i) * zx_nq(i)) &
2208	& + dtime * dif_grnd(i))
2209
2210	!
2211	! Y'a-t-il fonte de neige?
2212	!
2213	! fonte_neige = (nisurf /= is_oce) .AND. &
2214	! & (snow(i) > epsfra .OR. nisurf == is_sic .OR. nisurf == is_lic) &
2215	! & .AND. (tsurf_new(i) >= RTT)
2216	! if (fonte_neige) tsurf_new(i) = RTT
2217	d_ts(i) = tsurf_new(i) - tsurf(i)
2218	! zx_h_ts(i) = tsurf_new(i) * RCPD * zx_pkh(i)
2219	! zx_q_0(i) = zx_qsat(i) + zx_dq_s_dt(i) * d_ts(i)
2220	!== flux_q est le flux de vapeur d'eau: kg/(m**2 s) positive vers bas
2221	!== flux_t est le flux de cpt (energie sensible): j/(m**2 s)
2222	evap(i) = - zx_mq(i) - zx_nq(i) * tsurf_new(i)
2223	fluxlat(i) = - evap(i) * zx_sl(i)
2224	fluxsens(i) = zx_mh(i) + zx_nh(i) * tsurf_new(i)
2225	! Derives des flux dF/dTs (W m-2 K-1):
2226	dflux_s(i) = zx_nh(i)
2227	dflux_l(i) = (zx_sl(i) * zx_nq(i))
2228
2229	!
2230	! en cas de fonte de neige
2231	!
2232	! if (fonte_neige) then
2233	! bilan_f = radsol(i) + fluxsens(i) - (zx_sl(i) * evap (i)) - &
2234	! & dif_grnd(i) * (tsurf_new(i) - t_grnd) - &
2235	! & RCPD * (zx_pkh(i))/cal(i)/dtime * (tsurf_new(i) - tsurf(i))
2236	! bilan_f = max(0., bilan_f)
2237	! fq_fonte = bilan_f / zx_sl(i)
2238	! snow(i) = max(0., snow(i) - fq_fonte * dtime)
2239	! qsol(i) = qsol(i) + (fq_fonte * dtime)
2240	! endif
2241	!!$ if (nisurf == is_ter) &
2242	!!$ & run_off(i) = run_off(i) + max(qsol(i) - max_eau_sol, 0.0)
2243	!!$ qsol(i) = min(qsol(i), max_eau_sol)
2244	ENDDO
2245
2246	END SUBROUTINE calcul_fluxs
2247	!
2248	!#########################################################################
2249	!
2250	SUBROUTINE gath2cpl(champ_in, champ_out, klon, knon, iim, jjm, knindex)
2251
2252	! Cette routine ecrit un champ 'gathered' sur la grille 2D pour le passer
2253	! au coupleur.
2254	!
2255	!
2256	! input:
2257	! champ_in champ sur la grille gathere
2258	! knon nombre de points dans le domaine a traiter
2259	! knindex index des points de la surface a traiter
2260	! klon taille de la grille
2261	! iim,jjm dimension de la grille 2D
2262	!
2263	! output:
2264	! champ_out champ sur la grille 2D
2265	!
2266	! input
2267	integer :: klon, knon, iim, jjm
2268	real, dimension(klon) :: champ_in
2269	integer, dimension(klon) :: knindex
2270	! output
2271	real, dimension(iim,jjm+1) :: champ_out
2272	! local
2273	integer :: i, ig, j
2274	real, dimension(klon) :: tamp
2275
2276	tamp = 0.
2277	do i = 1, knon
2278	ig = knindex(i)
2279	tamp(ig) = champ_in(i)
2280	enddo
2281	ig = 1
2282	champ_out(:,1) = tamp(ig)
2283	do j = 2, jjm
2284	do i = 1, iim
2285	ig = ig + 1
2286	champ_out(i,j) = tamp(ig)
2287	enddo
2288	enddo
2289	ig = ig + 1
2290	champ_out(:,jjm+1) = tamp(ig)
2291
2292	END SUBROUTINE gath2cpl
2293	!
2294	!#########################################################################
2295	!
2296	SUBROUTINE cpl2gath(champ_in, champ_out, klon, knon, iim, jjm, knindex)
2297
2298	! Cette routine ecrit un champ 'gathered' sur la grille 2D pour le passer
2299	! au coupleur.
2300	!
2301	!
2302	! input:
2303	! champ_in champ sur la grille gathere
2304	! knon nombre de points dans le domaine a traiter
2305	! knindex index des points de la surface a traiter
2306	! klon taille de la grille
2307	! iim,jjm dimension de la grille 2D
2308	!
2309	! output:
2310	! champ_out champ sur la grille 2D
2311	!
2312	! input
2313	integer :: klon, knon, iim, jjm
2314	real, dimension(iim,jjm+1) :: champ_in
2315	integer, dimension(klon) :: knindex
2316	! output
2317	real, dimension(klon) :: champ_out
2318	! local
2319	integer :: i, ig, j
2320	real, dimension(klon) :: tamp
2321	logical ,save :: check = .false.
2322
2323	ig = 1
2324	tamp(ig) = champ_in(1,1)
2325	do j = 2, jjm
2326	do i = 1, iim
2327	ig = ig + 1
2328	tamp(ig) = champ_in(i,j)
2329	enddo
2330	enddo
2331	ig = ig + 1
2332	tamp(ig) = champ_in(1,jjm+1)
2333
2334	do i = 1, knon
2335	ig = knindex(i)
2336	champ_out(i) = tamp(ig)
2337	enddo
2338
2339	END SUBROUTINE cpl2gath
2340	!
2341	!#########################################################################
2342	!
2343	SUBROUTINE albsno(klon, knon,dtime,agesno,alb_neig_grid, precip_snow)
2344	IMPLICIT none
2345
2346	INTEGER :: klon, knon
2347	INTEGER, PARAMETER :: nvm = 8
2348	REAL :: dtime
2349	REAL, dimension(klon,nvm) :: veget
2350	REAL, DIMENSION(klon) :: alb_neig_grid, agesno, precip_snow
2351
2352	INTEGER :: i, nv
2353
2354	REAL, DIMENSION(nvm),SAVE :: init, decay
2355	REAL :: as
2356	DATA init /0.55, 0.14, 0.18, 0.29, 0.15, 0.15, 0.14, 0./
2357	DATA decay/0.30, 0.67, 0.63, 0.45, 0.40, 0.14, 0.06, 1./
2358
2359	veget = 0.
2360	veget(:,1) = 1. ! desert partout
2361	DO i = 1, knon
2362	alb_neig_grid(i) = 0.0
2363	ENDDO
2364	DO nv = 1, nvm
2365	DO i = 1, knon
2366	as = init(nv)+decay(nv)*EXP(-agesno(i)/5.)
2367	alb_neig_grid(i) = alb_neig_grid(i) + veget(i,nv)*as
2368	ENDDO
2369	ENDDO
2370	!
2371	!! modilation en fonction de l'age de la neige
2372	!
2373	DO i = 1, knon
2374	agesno(i) = (agesno(i) + (1.-agesno(i)/50.)*dtime/86400.)&
2375	& * EXP(-1.MAX(0.0,precip_snow(i))dtime/0.3)
2376	agesno(i) = MAX(agesno(i),0.0)
2377	ENDDO
2378
2379	END SUBROUTINE albsno
2380	!
2381	!#########################################################################
2382	!
2383
2384	SUBROUTINE fonte_neige( klon, knon, nisurf, dtime, &
2385	& tsurf, p1lay, cal, beta, coef1lay, ps, &
2386	& precip_rain, precip_snow, snow, qsol, &
2387	& radsol, dif_grnd, t1lay, q1lay, u1lay, v1lay, &
2388	& petAcoef, peqAcoef, petBcoef, peqBcoef, &
2389	& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l)
2390
2391	! Routine de traitement de la fonte de la neige dans le cas du traitement
2392	! de sol simplifié
2393	!
2394	! LF 03/2001
2395	! input:
2396	! knon nombre de points a traiter
2397	! nisurf surface a traiter
2398	! tsurf temperature de surface
2399	! p1lay pression 1er niveau (milieu de couche)
2400	! cal capacite calorifique du sol
2401	! beta evap reelle
2402	! coef1lay coefficient d'echange
2403	! ps pression au sol
2404	! precip_rain precipitations liquides
2405	! precip_snow precipitations solides
2406	! snow champs hauteur de neige
2407	! qsol humidite du sol
2408	! runoff runoff en cas de trop plein
2409	! petAcoef coeff. A de la resolution de la CL pour t
2410	! peqAcoef coeff. A de la resolution de la CL pour q
2411	! petBcoef coeff. B de la resolution de la CL pour t
2412	! peqBcoef coeff. B de la resolution de la CL pour q
2413	! radsol rayonnement net aus sol (LW + SW)
2414	! dif_grnd coeff. diffusion vers le sol profond
2415	!
2416	! output:
2417	! tsurf_new temperature au sol
2418	! fluxsens flux de chaleur sensible
2419	! fluxlat flux de chaleur latente
2420	! dflux_s derivee du flux de chaleur sensible / Ts
2421	! dflux_l derivee du flux de chaleur latente / Ts
2422	!
2423
2424	#include "YOETHF.inc"
2425	#include "FCTTRE.inc"
2426	#include "indicesol.inc"
2427
2428	! Parametres d'entree
2429	integer, intent(IN) :: knon, nisurf, klon
2430	real , intent(IN) :: dtime
2431	real, dimension(klon), intent(IN) :: petAcoef, peqAcoef
2432	real, dimension(klon), intent(IN) :: petBcoef, peqBcoef
2433	real, dimension(klon), intent(IN) :: ps, q1lay
2434	real, dimension(klon), intent(IN) :: tsurf, p1lay, cal, beta, coef1lay
2435	real, dimension(klon), intent(IN) :: precip_rain, precip_snow
2436	real, dimension(klon), intent(IN) :: radsol, dif_grnd
2437	real, dimension(klon), intent(IN) :: t1lay, u1lay, v1lay
2438	real, dimension(klon), intent(INOUT) :: snow, qsol
2439
2440	! Parametres sorties
2441	real, dimension(klon), intent(INOUT):: tsurf_new, evap, fluxsens, fluxlat
2442	real, dimension(klon), intent(INOUT):: dflux_s, dflux_l
2443
2444	! Variables locales
2445	integer :: i
2446	real, dimension(klon) :: zx_mh, zx_nh, zx_oh
2447	real, dimension(klon) :: zx_mq, zx_nq, zx_oq
2448	real, dimension(klon) :: zx_pkh, zx_dq_s_dt, zx_qsat, zx_coef
2449	real, dimension(klon) :: zx_sl, zx_k1
2450	real, dimension(klon) :: zx_q_0 , d_ts
2451	real :: zdelta, zcvm5, zx_qs, zcor, zx_dq_s_dh
2452	real :: bilan_f, fq_fonte
2453	REAL :: subli, fsno
2454	real, parameter :: t_grnd = 271.35, t_coup = 273.15
2455	!! PB temporaire en attendant mieux pour le modele de neige
2456	REAL, parameter :: chasno = 3.334E+05/(2.3867E+06*0.15)
2457	!
2458	logical, save :: check = .FALSE.
2459	character (len = 20) :: modname = 'fonte_neige'
2460	logical, save :: neige_fond = .false.
2461	real, save :: max_eau_sol = 150.0
2462	character (len = 80) :: abort_message
2463	logical,save :: first = .true.,second=.false.
2464
2465	if (check) write(,)'Entree ', modname,' surface = ',nisurf
2466
2467	! Initialisations
2468	DO i = 1, knon
2469	zx_pkh(i) = (ps(i)/ps(i))**RKAPPA
2470	IF (thermcep) THEN
2471	zdelta=MAX(0.,SIGN(1.,rtt-tsurf(i)))
2472	zcvm5 = R5LESRLVTT(1.-zdelta) + R5IESRLSTTzdelta
2473	zcvm5 = zcvm5 / RCPD / (1.0+RVTMP2*q1lay(i))
2474	zx_qs= r2es * FOEEW(tsurf(i),zdelta)/ps(i)
2475	zx_qs=MIN(0.5,zx_qs)
2476	zcor=1./(1.-retv*zx_qs)
2477	zx_qs=zx_qs*zcor
2478	zx_dq_s_dh = FOEDE(tsurf(i),zdelta,zcvm5,zx_qs,zcor) &
2479	& /RLVTT / zx_pkh(i)
2480	ELSE
2481	IF (tsurf(i).LT.t_coup) THEN
2482	zx_qs = qsats(tsurf(i)) / ps(i)
2483	zx_dq_s_dh = dqsats(tsurf(i),zx_qs)/RLVTT &
2484	& / zx_pkh(i)
2485	ELSE
2486	zx_qs = qsatl(tsurf(i)) / ps(i)
2487	zx_dq_s_dh = dqsatl(tsurf(i),zx_qs)/RLVTT &
2488	& / zx_pkh(i)
2489	ENDIF
2490	ENDIF
2491	zx_dq_s_dt(i) = RCPD * zx_pkh(i) * zx_dq_s_dh
2492	zx_qsat(i) = zx_qs
2493	zx_coef(i) = coef1lay(i) &
2494	& * (1.0+SQRT(u1lay(i)2+v1lay(i)2)) &
2495	& * p1lay(i)/(RD*t1lay(i))
2496	ENDDO
2497
2498
2499	! === Calcul de la temperature de surface ===
2500	!
2501	! zx_sl = chaleur latente d'evaporation ou de sublimation
2502	!
2503	do i = 1, knon
2504	zx_sl(i) = RLVTT
2505	if (tsurf(i) .LT. RTT) zx_sl(i) = RLSTT
2506	zx_k1(i) = zx_coef(i)
2507	enddo
2508
2509
2510	do i = 1, knon
2511	! Q
2512	zx_oq(i) = 1. - (beta(i) * zx_k1(i) * peqBcoef(i) * dtime)
2513	zx_mq(i) = beta(i) * zx_k1(i) * &
2514	& (peqAcoef(i) - zx_qsat(i) &
2515	& + zx_dq_s_dt(i) * tsurf(i)) &
2516	& / zx_oq(i)
2517	zx_nq(i) = beta(i) * zx_k1(i) * (-1. * zx_dq_s_dt(i)) &
2518	& / zx_oq(i)
2519
2520	! H
2521	zx_oh(i) = 1. - (zx_k1(i) * petBcoef(i) * dtime)
2522	zx_mh(i) = zx_k1(i) * petAcoef(i) / zx_oh(i)
2523	zx_nh(i) = - (zx_k1(i) * RCPD * zx_pkh(i))/ zx_oh(i)
2524	enddo
2525
2526
2527	WHERE (precip_snow > 0.) snow = snow + (precip_snow * dtime)
2528	WHERE (evap > 0 ) snow = MAX(0.0, snow - (evap * dtime))
2529	qsol = qsol + (precip_rain - evap) * dtime
2530	!
2531	! Y'a-t-il fonte de neige?
2532	!
2533	do i = 1, knon
2534	neige_fond = ((snow(i) > epsfra .OR. nisurf == is_sic .OR. nisurf == is_lic) &
2535	& .AND. tsurf_new(i) >= RTT)
2536	if (neige_fond) then
2537	fq_fonte = MIN( MAX((tsurf_new(i)-RTT )/chasno,0.0),snow(i))
2538	snow(i) = max(0., snow(i) - fq_fonte)
2539	qsol(i) = qsol(i) + fq_fonte
2540	tsurf_new(i) = tsurf_new(i) - fq_fonte * chasno
2541	IF (nisurf == is_sic .OR. nisurf == is_lic ) tsurf_new(i) = RTT -1.8
2542	d_ts(i) = tsurf_new(i) - tsurf(i)
2543	! zx_h_ts(i) = tsurf_new(i) * RCPD * zx_pkh(i)
2544	! zx_q_0(i) = zx_qsat(i) + zx_dq_s_dt(i) * d_ts(i)
2545	!== flux_q est le flux de vapeur d'eau: kg/(m**2 s) positive vers bas
2546	!== flux_t est le flux de cpt (energie sensible): j/(m**2 s)
2547	!!$ evap(i) = - zx_mq(i) - zx_nq(i) * tsurf_new(i)
2548	!!$ fluxlat(i) = - evap(i) * zx_sl(i)
2549	!!$ fluxsens(i) = zx_mh(i) + zx_nh(i) * tsurf_new(i)
2550	! Derives des flux dF/dTs (W m-2 K-1):
2551	!!$ dflux_s(i) = zx_nh(i)
2552	!!$ dflux_l(i) = (zx_sl(i) * zx_nq(i))
2553	!!$ bilan_f = radsol(i) + fluxsens(i) - (zx_sl(i) * evap (i)) - &
2554	!!$ & dif_grnd(i) * (tsurf_new(i) - t_grnd) - &
2555	!!$ & RCPD * (zx_pkh(i))/cal(i)/dtime * (tsurf_new(i) - tsurf(i))
2556	!!$ bilan_f = max(0., bilan_f)
2557	!!$ fq_fonte = bilan_f / zx_sl(i)
2558	endif
2559	IF (nisurf == is_ter) &
2560	& run_off(i) = run_off(i) + MAX(qsol(i) - max_eau_sol, 0.0)
2561	qsol(i) = MIN(qsol(i), max_eau_sol)
2562	enddo
2563
2564	END SUBROUTINE fonte_neige
2565	!
2566	!#########################################################################
2567	!
2568	END MODULE interface_surf

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