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cpl_mod.F90 @ 914

Last change on this file since 914 was 868, checked in by Laurent Fairhead, 17 years ago
Preparation du remplacement de la physique utilisee pour l'exercice IPCC_AR4 par la version de la physique avec thermique. On garde le repertoire phylmd pour un petit moment pour que les utilisateurs ne soient pas trop perdus ... phy_IPCC_AR4 = phylmd LF
Property svn:eol-style set to `native` Property svn:executable set to ``* Property svn:keywords set to `Author Date Id Revision`
File size: 49.2 KB

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1	!
2	! $Header$
3	!
4	MODULE cpl_mod
5	!
6	! This module excahanges and transforms all fields that should be recieved or sent to
7	! coupler. The transformation of the fields are done from the grid 1D-array in phylmd
8	! to the regular 2D grid accepted by the coupler. Cumulation of the fields for each
9	! timestep is done in here.
10	!
11	! Each type of surface that recevie fields from the coupler have a subroutine named
12	! cpl_receive_XXX_fields and each surface that have fields to be sent to the coupler
13	! have a subroutine named cpl_send_XXX_fields.
14	!
15	!*************************************************************************************
16
17	! Use statements
18	!*************************************************************************************
19	USE dimphy, ONLY : klon
20	USE mod_phys_lmdz_para
21	USE ioipsl
22	USE iophy
23
24	! The module oasis is always used. Without the cpp key CPP_COUPLE only the parameters
25	! in the module are compiled and not the subroutines.
26	USE oasis
27	USE write_field_phy
28
29	! Global attributes
30	!*************************************************************************************
31	IMPLICIT NONE
32	PRIVATE
33
34	! All subroutine are public except cpl_send_all and cpl_receive_all
35	PUBLIC :: cpl_init, cpl_receive_ocean_fields, cpl_receive_seaice_fields, &
36	cpl_send_ocean_fields, cpl_send_seaice_fields, cpl_send_land_fields, &
37	cpl_send_landice_fields, gath2cpl
38
39
40	! Declaration of module variables
41	!*************************************************************************************
42	! variable for coupling period
43	INTEGER, SAVE :: nexca
44	!$OMP THREADPRIVATE(nexca)
45
46	! variables for cumulating fields during a coupling periode :
47	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: cpl_sols, cpl_nsol, cpl_rain
48	!$OMP THREADPRIVATE(cpl_sols,cpl_nsol,cpl_rain)
49	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: cpl_snow, cpl_evap, cpl_tsol
50	!$OMP THREADPRIVATE(cpl_snow,cpl_evap,cpl_tsol)
51	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: cpl_fder, cpl_albe, cpl_taux
52	!$OMP THREADPRIVATE(cpl_fder,cpl_albe,cpl_taux)
53	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: cpl_windsp
54	!$OMP THREADPRIVATE(cpl_windsp)
55	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: cpl_tauy
56	!$OMP THREADPRIVATE(cpl_tauy)
57	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: cpl_rriv2D, cpl_rcoa2D, cpl_rlic2D
58	!$OMP THREADPRIVATE(cpl_rriv2D,cpl_rcoa2D,cpl_rlic2D)
59
60	! variables read from coupler :
61	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: read_sst ! sea surface temperature
62	!$OMP THREADPRIVATE(read_sst)
63	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: read_sit ! sea ice temperature
64	!$OMP THREADPRIVATE(read_sit)
65	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: read_sic ! sea ice fraction
66	!$OMP THREADPRIVATE(read_sic)
67	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: read_alb_sic ! albedo at sea ice
68	!$OMP THREADPRIVATE(read_alb_sic)
69
70	! fraction for different surface, saved during whole coupling period
71	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: pctsrf_sav
72	!$OMP THREADPRIVATE(pctsrf_sav)
73	INTEGER, ALLOCATABLE, DIMENSION(:), SAVE :: unity
74	!$OMP THREADPRIVATE(unity)
75	INTEGER, SAVE :: nidct, nidcs
76	!$OMP THREADPRIVATE(nidct,nidcs)
77
78	! variables to be sent to the coupler
79	REAL, ALLOCATABLE, DIMENSION(:,:,:), SAVE :: cpl_sols2D, cpl_nsol2D, cpl_rain2D
80	!$OMP THREADPRIVATE(cpl_sols2D, cpl_nsol2D, cpl_rain2D)
81	REAL, ALLOCATABLE, DIMENSION(:,:,:), SAVE :: cpl_snow2D, cpl_evap2D, cpl_tsol2D
82	!$OMP THREADPRIVATE(cpl_snow2D, cpl_evap2D, cpl_tsol2D)
83	REAL, ALLOCATABLE, DIMENSION(:,:,:), SAVE :: cpl_fder2D, cpl_albe2D
84	!$OMP THREADPRIVATE(cpl_fder2D, cpl_albe2D)
85	REAL, ALLOCATABLE, DIMENSION(:,:,:), SAVE :: cpl_taux2D, cpl_tauy2D
86	!$OMP THREADPRIVATE(cpl_taux2D, cpl_tauy2D)
87	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: cpl_windsp2D
88	!$OMP THREADPRIVATE(cpl_windsp2D)
89
90
91	CONTAINS
92	!
93	!************************************************************************************
94	!
95	SUBROUTINE cpl_init(dtime, rlon, rlat)
96
97	INCLUDE "dimensions.h"
98	INCLUDE "indicesol.h"
99	INCLUDE "control.h"
100	INCLUDE "temps.h"
101	INCLUDE "iniprint.h"
102
103	! Input arguments
104	!*************************************************************************************
105	REAL, INTENT(IN) :: dtime
106	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
107
108	! Local variables
109	!*************************************************************************************
110	INTEGER :: error, sum_error, ig, i
111	INTEGER :: jf, nhoridct
112	INTEGER :: nhoridcs
113	INTEGER :: idtime
114	INTEGER :: idayref
115	INTEGER :: npas ! only for OASIS2
116	REAL :: zjulian
117	REAL, DIMENSION(iim,jjm+1) :: zx_lon, zx_lat
118	CHARACTER(len = 20) :: modname = 'cpl_init'
119	CHARACTER(len = 80) :: abort_message
120	CHARACTER(len=80) :: clintocplnam, clfromcplnam
121
122	!*************************************************************************************
123	! Calculate coupling period
124	!
125	!*************************************************************************************
126
127	npas = itaufin/ iphysiq
128	nexca = 86400 / dtime
129	WRITE(lunout,*)' ##### Ocean couple #####'
130	WRITE(lunout,*)' Valeurs des pas de temps'
131	WRITE(lunout,*)' npas = ', npas
132	WRITE(lunout,*)' nexca = ', nexca
133
134	!*************************************************************************************
135	! Allocate variables
136	!
137	!*************************************************************************************
138	error = 0
139	sum_error = 0
140
141	ALLOCATE(unity(klon), stat = error)
142	sum_error = sum_error + error
143	ALLOCATE(pctsrf_sav(klon,nbsrf), stat = error)
144	sum_error = sum_error + error
145	ALLOCATE(cpl_sols(klon,2), stat = error)
146	sum_error = sum_error + error
147	ALLOCATE(cpl_nsol(klon,2), stat = error)
148	sum_error = sum_error + error
149	ALLOCATE(cpl_rain(klon,2), stat = error)
150	sum_error = sum_error + error
151	ALLOCATE(cpl_snow(klon,2), stat = error)
152	sum_error = sum_error + error
153	ALLOCATE(cpl_evap(klon,2), stat = error)
154	sum_error = sum_error + error
155	ALLOCATE(cpl_tsol(klon,2), stat = error)
156	sum_error = sum_error + error
157	ALLOCATE(cpl_fder(klon,2), stat = error)
158	sum_error = sum_error + error
159	ALLOCATE(cpl_albe(klon,2), stat = error)
160	sum_error = sum_error + error
161	ALLOCATE(cpl_taux(klon,2), stat = error)
162	sum_error = sum_error + error
163	ALLOCATE(cpl_windsp(klon,2), stat = error)
164	sum_error = sum_error + error
165	ALLOCATE(cpl_tauy(klon,2), stat = error)
166	sum_error = sum_error + error
167	ALLOCATE(cpl_rriv2D(iim,jj_nb), stat=error)
168	sum_error = sum_error + error
169	ALLOCATE(cpl_rcoa2D(iim,jj_nb), stat=error)
170	sum_error = sum_error + error
171	ALLOCATE(cpl_rlic2D(iim,jj_nb), stat=error)
172	sum_error = sum_error + error
173	ALLOCATE(read_sst(iim, jj_nb), stat = error)
174	sum_error = sum_error + error
175	ALLOCATE(read_sic(iim, jj_nb), stat = error)
176	sum_error = sum_error + error
177	ALLOCATE(read_sit(iim, jj_nb), stat = error)
178	sum_error = sum_error + error
179	ALLOCATE(read_alb_sic(iim, jj_nb), stat = error)
180	sum_error = sum_error + error
181
182	IF (sum_error /= 0) THEN
183	abort_message='Pb allocation variables couplees'
184	CALL abort_gcm(modname,abort_message,1)
185	ENDIF
186	!*************************************************************************************
187	! Initialize the allocated varaibles
188	!
189	!*************************************************************************************
190	DO ig = 1, klon
191	unity(ig) = ig
192	ENDDO
193	pctsrf_sav = 0.
194
195	cpl_sols = 0. ; cpl_nsol = 0. ; cpl_rain = 0. ; cpl_snow = 0.
196	cpl_evap = 0. ; cpl_tsol = 0. ; cpl_fder = 0. ; cpl_albe = 0.
197	cpl_taux = 0. ; cpl_tauy = 0. ; cpl_rriv2D = 0. ; cpl_rcoa2D = 0.
198	cpl_rlic2D = 0. ; cpl_windsp = 0.
199
200	!*************************************************************************************
201	! Initialize coupling
202	!
203	!*************************************************************************************
204	idtime = INT(dtime)
205	#ifdef CPP_COUPLE
206	CALL inicma
207	#endif
208
209	!*************************************************************************************
210	! initialize NetCDF output
211	!
212	!*************************************************************************************
213	IF (is_sequential) THEN
214	idayref = day_ini
215	CALL ymds2ju(annee_ref, 1, idayref, 0.0, zjulian)
216	CALL gr_fi_ecrit(1,klon,iim,jjm+1,rlon,zx_lon)
217	DO i = 1, iim
218	zx_lon(i,1) = rlon(i+1)
219	zx_lon(i,jjm+1) = rlon(i+1)
220	ENDDO
221	CALL gr_fi_ecrit(1,klon,iim,jjm+1,rlat,zx_lat)
222	clintocplnam="cpl_atm_tauflx"
223	CALL histbeg(clintocplnam, iim,zx_lon(:,1),jjm+1,zx_lat(1,:),&
224	1,iim,1,jjm+1, itau_phy,zjulian,dtime,nhoridct,nidct)
225	! no vertical axis
226	CALL histdef(nidct, 'tauxe','tauxe', &
227	"-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
228	CALL histdef(nidct, 'tauyn','tauyn', &
229	"-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
230	CALL histdef(nidct, 'tmp_lon','tmp_lon', &
231	"-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
232	CALL histdef(nidct, 'tmp_lat','tmp_lat', &
233	"-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
234	DO jf=1,jpflda2o1 + jpflda2o2
235	CALL histdef(nidct, cl_writ(jf),cl_writ(jf), &
236	"-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
237	END DO
238	CALL histend(nidct)
239	CALL histsync(nidct)
240
241	clfromcplnam="cpl_atm_sst"
242	CALL histbeg(clfromcplnam, iim,zx_lon(:,1),jjm+1,zx_lat(1,:),1,iim,1,jjm+1, &
243	0,zjulian,dtime,nhoridcs,nidcs)
244	! no vertical axis
245	DO jf=1,jpfldo2a
246	CALL histdef(nidcs, cl_read(jf),cl_read(jf), &
247	"-",iim, jjm+1, nhoridcs, 1, 1, 1, -99, 32, "inst", dtime,dtime)
248	END DO
249	CALL histend(nidcs)
250	CALL histsync(nidcs)
251
252	ENDIF ! is_sequential
253
254	END SUBROUTINE cpl_init
255
256	!
257	!*************************************************************************************
258	!
259
260	SUBROUTINE cpl_receive_all(itime, dtime, pctsrf)
261	! This subroutine reads from coupler for both ocean and seaice
262	! 4 fields : read_sst, read_sic, read_sit and read_alb_sic.
263
264	INCLUDE "indicesol.h"
265	INCLUDE "temps.h"
266	INCLUDE "iniprint.h"
267	INCLUDE "YOMCST.h"
268	INCLUDE "dimensions.h"
269
270	! Input arguments
271	!************************************************************************************
272	INTEGER, INTENT(IN) :: itime
273	REAL, INTENT(IN) :: dtime
274	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
275
276	! Local variables
277	!************************************************************************************
278	INTEGER :: j, ig, il_time_secs
279	INTEGER :: itau_w
280	INTEGER, DIMENSION(iim*(jjm+1)) :: ndexcs
281	CHARACTER(len = 20) :: modname = 'cpl_receive_all'
282	CHARACTER(len = 80) :: abort_message
283	REAL, DIMENSION(klon) :: read_sic1D
284	REAL, DIMENSION(iim,jj_nb,jpfldo2a) :: tab_read_flds
285	REAL, DIMENSION(iim,jj_nb) :: read_sic
286
287	!*************************************************************************************
288	! Start calculation
289	! Get fields from coupler
290	!
291	!*************************************************************************************
292
293	#ifdef CPP_COUPLE
294	il_time_secs=(itime-1)*dtime
295	CALL fromcpl(il_time_secs, tab_read_flds)
296	#endif
297
298	! NetCDF output of received fields
299	IF (is_sequential) THEN
300	ndexcs(:) = 0
301	itau_w = itau_phy + itime
302	DO ig = 1, jpfldo2a
303	CALL histwrite(nidcs,cl_read(ig),itau_w,tab_read_flds(:,:,ig),iim*(jjm+1),ndexcs)
304	END DO
305	ENDIF
306
307	! Save each field in a 2D array.
308	read_sst(:,:) = tab_read_flds(:,:,1) ! Sea surface temperature
309	read_sic(:,:) = tab_read_flds(:,:,2) ! Sea ice concentration
310	read_alb_sic(:,:) = tab_read_flds(:,:,3) ! Albedo at sea ice
311	read_sit(:,:) = tab_read_flds(:,:,4) ! Sea ice temperature
312
313	!*************************************************************************************
314	! Temperature and albedo are weighted with the fraction of sea-ice(read-sic)
315	!
316	!*************************************************************************************
317	DO j = 1, jj_nb
318	DO ig = 1, iim
319	IF (ABS(1. - read_sic(ig,j)) < 0.00001) THEN
320	read_sst(ig,j) = RTT - 1.8
321	read_sit(ig,j) = read_sit(ig,j) / read_sic(ig,j)
322	read_alb_sic(ig,j) = read_alb_sic(ig,j) / read_sic(ig,j)
323	ELSE IF (ABS(read_sic(ig,j)) < 0.00001) THEN
324	read_sst(ig,j) = read_sst(ig,j) / (1. - read_sic(ig,j))
325	read_sit(ig,j) = read_sst(ig,j)
326	read_alb_sic(ig,j) = 0.6
327	ELSE
328	read_sst(ig,j) = read_sst(ig,j) / (1. - read_sic(ig,j))
329	read_sit(ig,j) = read_sit(ig,j) / read_sic(ig,j)
330	read_alb_sic(ig,j) = read_alb_sic(ig,j) / read_sic(ig,j)
331	ENDIF
332	ENDDO
333	ENDDO
334
335	!*************************************************************************************
336	! Transform seaice fraction, read_sic into pctsrf_sav
337	!
338	!*************************************************************************************
339	CALL cpl2gath(read_sic, read_sic1D, klon, unity)
340
341	DO ig = 1, klon
342	! treatment only of ocean and/or seaice points
343	IF (pctsrf(ig,is_oce) > epsfra .OR. &
344	pctsrf(ig,is_sic) > epsfra) THEN
345	pctsrf_sav(ig,is_sic) = (pctsrf(ig,is_oce) + pctsrf(ig,is_sic)) &
346	* read_sic1D(ig)
347	pctsrf_sav(ig,is_oce) = (pctsrf(ig,is_oce) + pctsrf(ig,is_sic)) &
348	- pctsrf_sav(ig,is_sic)
349	ENDIF
350	ENDDO
351
352	!*************************************************************************************
353	! To avoid round up problems
354	!
355	!*************************************************************************************
356	WHERE (ABS(pctsrf_sav(:,is_sic)) .LE. 2.*EPSILON(pctsrf_sav(1,is_sic)))
357	pctsrf_sav(:,is_sic) = 0.
358	pctsrf_sav(:,is_oce) = pctsrf(:,is_oce) + pctsrf(:,is_sic)
359	ENDWHERE
360	WHERE (ABS(pctsrf_sav(:,is_oce)) .LE. 2.*EPSILON(pctsrf_sav(1,is_oce)))
361	pctsrf_sav(:,is_sic) = pctsrf(:,is_oce) + pctsrf(:,is_sic)
362	pctsrf_sav(:,is_oce) = 0.
363	ENDWHERE
364	IF (MINVAL(pctsrf_sav(:,is_oce)) < 0.) THEN
365	WRITE(,)'Pb fraction ocean inferieure a 0'
366	WRITE(,)'au point ',MINLOC(pctsrf_sav(:,is_oce))
367	WRITE(,)'valeur = ',MINVAL(pctsrf_sav(:,is_oce))
368	abort_message = 'voir ci-dessus'
369	CALL abort_gcm(modname,abort_message,1)
370	ENDIF
371	IF (MINVAL(pctsrf_sav(:,is_sic)) < 0.) THEN
372	WRITE(,)'Pb fraction glace inferieure a 0'
373	WRITE(,)'au point ',MINLOC(pctsrf_sav(:,is_sic))
374	WRITE(,)'valeur = ',MINVAL(pctsrf_sav(:,is_sic))
375	abort_message = 'voir ci-dessus'
376	CALL abort_gcm(modname,abort_message,1)
377	ENDIF
378
379	END SUBROUTINE cpl_receive_all
380	!
381	!*************************************************************************************
382	!
383	SUBROUTINE cpl_receive_ocean_fields(itime, dtime, knon, knindex, pctsrf, &
384	tsurf_new, pctsrf_oce)
385	!
386	! This routine reads, if first time step in a coupling period, all fields reveived from
387	! coupler for all types of surfaces. It returns the fields for the ocean surface which
388	! are the sea surface temperature and the fraction of ocean.
389	! The fields are transformed into 1D arrays with valid points :
390	! tsurf_new(1:knon), pctsrf(1:klon).
391	!
392	INCLUDE "indicesol.h"
393
394	! Input arguments
395	!*************************************************************************************
396	INTEGER, INTENT(IN) :: itime
397	REAL, INTENT(IN) :: dtime
398	INTEGER, INTENT(IN) :: knon
399	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
400	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
401
402	! Output arguments
403	!*************************************************************************************
404	REAL, DIMENSION(klon), INTENT(OUT) :: tsurf_new
405	REAL, DIMENSION(klon), INTENT(OUT) :: pctsrf_oce
406
407	!*************************************************************************************
408	! If first time step in a coupling period receive all fields for all types
409	! of surfaces from coupler : read_sst, read_sit, read_alb_sic and pctsrf_sav.
410	!
411	!*************************************************************************************
412
413	IF (MOD(itime, nexca) == 1) CALL cpl_receive_all(itime, dtime, pctsrf)
414
415
416	!*************************************************************************************
417	! Transform read_sst into compressed 1D variable tsurf_new
418	!
419	!*************************************************************************************
420	CALL cpl2gath(read_sst, tsurf_new, knon, knindex)
421	pctsrf_oce(:) = pctsrf_sav(:,is_oce)
422
423
424	END SUBROUTINE cpl_receive_ocean_fields
425	!
426	!*************************************************************************************
427	!
428	SUBROUTINE cpl_receive_seaice_fields(knon, knindex, &
429	tsurf_new, alb_new, pctsrf_sic)
430	!
431	! This routine returns the fields for the seaice that have been read from the coupler
432	! (done earlier with cpl_receive_ocean_fields). These fields are the temperature and
433	! albedo at sea ice surface and fraction of sea ice.
434	! The fields are transformed into 1D arrays with valid points :
435	! tsurf_new(1:knon), alb_new(1:knon), pctsrf(1:klon).
436	!
437	INCLUDE "indicesol.h"
438
439	! Input arguments
440	!*************************************************************************************
441	INTEGER, INTENT(IN) :: knon
442	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
443
444	! Output arguments
445	!*************************************************************************************
446	REAL, DIMENSION(klon), INTENT(OUT) :: tsurf_new
447	REAL, DIMENSION(klon), INTENT(OUT) :: alb_new
448	REAL, DIMENSION(klon), INTENT(OUT) :: pctsrf_sic
449
450
451	!*************************************************************************************
452	! Transform fields read from coupler from 2D into compressed 1D variables
453	!
454	!*************************************************************************************
455	CALL cpl2gath(read_sit, tsurf_new, knon, knindex)
456	CALL cpl2gath(read_alb_sic, alb_new, knon, knindex)
457	pctsrf_sic(:) = pctsrf_sav(:,is_sic)
458
459	END SUBROUTINE cpl_receive_seaice_fields
460
461	!
462	!*************************************************************************************
463	!
464
465	SUBROUTINE cpl_send_ocean_fields(itime, knon, knindex, &
466	swdown, lwdown, fluxlat, fluxsens, &
467	precip_rain, precip_snow, evap, tsurf, fder, albsol, taux, tauy, windsp)
468	!
469	! This subroutine cumulates some fields for each time-step during a coupling
470	! period. At last time-step in a coupling period the fields are transformed to the
471	! grid accepted by the coupler. No sending to the coupler will be done from here
472	! (it is done in cpl_send_seaice_fields).
473	!
474	INCLUDE "indicesol.h"
475	INCLUDE "dimensions.h"
476
477	! Input arguments
478	!*************************************************************************************
479	INTEGER, INTENT(IN) :: itime
480	INTEGER, INTENT(IN) :: knon
481	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
482	REAL, DIMENSION(klon), INTENT(IN) :: swdown, lwdown
483	REAL, DIMENSION(klon), INTENT(IN) :: fluxlat, fluxsens
484	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow
485	REAL, DIMENSION(klon), INTENT(IN) :: evap, tsurf, fder, albsol
486	REAL, DIMENSION(klon), INTENT(IN) :: taux, tauy, windsp
487
488	! Local variables
489	!*************************************************************************************
490	INTEGER :: cpl_index, ig
491	INTEGER :: error, sum_error
492	CHARACTER(len = 25) :: modname = 'cpl_send_ocean_fields'
493	CHARACTER(len = 80) :: abort_message
494
495	!*************************************************************************************
496	! Start calculation
497	! The ocean points are saved with second array index=1
498	!
499	!*************************************************************************************
500	cpl_index = 1
501
502	!*************************************************************************************
503	! Reset fields to zero in the beginning of a new coupling period
504	!
505	!*************************************************************************************
506	IF (MOD(itime, nexca) == 1) THEN
507	cpl_sols(:,cpl_index) = 0.0
508	cpl_nsol(:,cpl_index) = 0.0
509	cpl_rain(:,cpl_index) = 0.0
510	cpl_snow(:,cpl_index) = 0.0
511	cpl_evap(:,cpl_index) = 0.0
512	cpl_tsol(:,cpl_index) = 0.0
513	cpl_fder(:,cpl_index) = 0.0
514	cpl_albe(:,cpl_index) = 0.0
515	cpl_taux(:,cpl_index) = 0.0
516	cpl_tauy(:,cpl_index) = 0.0
517	cpl_windsp(:,cpl_index) = 0.0
518	ENDIF
519
520	!*************************************************************************************
521	! Cumulate at each time-step
522	!
523	!*************************************************************************************
524	DO ig = 1, knon
525	cpl_sols(ig,cpl_index) = cpl_sols(ig,cpl_index) + &
526	swdown(ig) / FLOAT(nexca)
527	cpl_nsol(ig,cpl_index) = cpl_nsol(ig,cpl_index) + &
528	(lwdown(ig) + fluxlat(ig) +fluxsens(ig)) / FLOAT(nexca)
529	cpl_rain(ig,cpl_index) = cpl_rain(ig,cpl_index) + &
530	precip_rain(ig) / FLOAT(nexca)
531	cpl_snow(ig,cpl_index) = cpl_snow(ig,cpl_index) + &
532	precip_snow(ig) / FLOAT(nexca)
533	cpl_evap(ig,cpl_index) = cpl_evap(ig,cpl_index) + &
534	evap(ig) / FLOAT(nexca)
535	cpl_tsol(ig,cpl_index) = cpl_tsol(ig,cpl_index) + &
536	tsurf(ig) / FLOAT(nexca)
537	cpl_fder(ig,cpl_index) = cpl_fder(ig,cpl_index) + &
538	fder(ig) / FLOAT(nexca)
539	cpl_albe(ig,cpl_index) = cpl_albe(ig,cpl_index) + &
540	albsol(ig) / FLOAT(nexca)
541	cpl_taux(ig,cpl_index) = cpl_taux(ig,cpl_index) + &
542	taux(ig) / FLOAT(nexca)
543	cpl_tauy(ig,cpl_index) = cpl_tauy(ig,cpl_index) + &
544	tauy(ig) / FLOAT(nexca)
545	cpl_windsp(ig,cpl_index) = cpl_windsp(ig,cpl_index) + &
546	windsp(ig) / FLOAT(nexca)
547	ENDDO
548
549	!*************************************************************************************
550	! If the time-step corresponds to the end of coupling period the
551	! fields are transformed to the 2D grid.
552	! No sending to the coupler (it is done from cpl_send_seaice_fields).
553	!
554	!*************************************************************************************
555	IF (MOD(itime, nexca) == 0) THEN
556
557	IF (.NOT. ALLOCATED(cpl_sols2D)) THEN
558	sum_error = 0
559	ALLOCATE(cpl_sols2D(iim,jj_nb,2), stat=error)
560	sum_error = sum_error + error
561	ALLOCATE(cpl_nsol2D(iim,jj_nb,2), stat=error)
562	sum_error = sum_error + error
563	ALLOCATE(cpl_rain2D(iim,jj_nb,2), stat=error)
564	sum_error = sum_error + error
565	ALLOCATE(cpl_snow2D(iim,jj_nb,2), stat=error)
566	sum_error = sum_error + error
567	ALLOCATE(cpl_evap2D(iim,jj_nb,2), stat=error)
568	sum_error = sum_error + error
569	ALLOCATE(cpl_tsol2D(iim,jj_nb,2), stat=error)
570	sum_error = sum_error + error
571	ALLOCATE(cpl_fder2D(iim,jj_nb,2), stat=error)
572	sum_error = sum_error + error
573	ALLOCATE(cpl_albe2D(iim,jj_nb,2), stat=error)
574	sum_error = sum_error + error
575	ALLOCATE(cpl_taux2D(iim,jj_nb,2), stat=error)
576	sum_error = sum_error + error
577	ALLOCATE(cpl_tauy2D(iim,jj_nb,2), stat=error)
578	sum_error = sum_error + error
579	ALLOCATE(cpl_windsp2D(iim,jj_nb), stat=error)
580	sum_error = sum_error + error
581
582	IF (sum_error /= 0) THEN
583	abort_message='Pb allocation variables couplees pour l''ecriture'
584	CALL abort_gcm(modname,abort_message,1)
585	ENDIF
586	ENDIF
587
588
589	CALL gath2cpl(cpl_sols(1,cpl_index), cpl_sols2D(1,1,cpl_index), &
590	knon, knindex)
591
592	CALL gath2cpl(cpl_nsol(1,cpl_index), cpl_nsol2D(1,1,cpl_index), &
593	knon, knindex)
594
595	CALL gath2cpl(cpl_rain(1,cpl_index), cpl_rain2D(1,1,cpl_index), &
596	knon, knindex)
597
598	CALL gath2cpl(cpl_snow(1,cpl_index), cpl_snow2D(1,1,cpl_index), &
599	knon, knindex)
600
601	CALL gath2cpl(cpl_evap(1,cpl_index), cpl_evap2D(1,1,cpl_index), &
602	knon, knindex)
603
604	! cpl_tsol2D(:,:,:) not used!
605	CALL gath2cpl(cpl_tsol(1,cpl_index), cpl_tsol2D(1,1, cpl_index), &
606	knon, knindex)
607
608	! cpl_fder2D(:,:,1) not used, only cpl_fder(:,:,2)!
609	CALL gath2cpl(cpl_fder(1,cpl_index), cpl_fder2D(1,1,cpl_index), &
610	knon, knindex)
611
612	! cpl_albe2D(:,:,:) not used!
613	CALL gath2cpl(cpl_albe(1,cpl_index), cpl_albe2D(1,1,cpl_index), &
614	knon, knindex)
615
616	CALL gath2cpl(cpl_taux(1,cpl_index), cpl_taux2D(1,1,cpl_index), &
617	knon, knindex)
618
619	CALL gath2cpl(cpl_tauy(1,cpl_index), cpl_tauy2D(1,1,cpl_index), &
620	knon, knindex)
621
622	CALL gath2cpl(cpl_windsp(1,cpl_index), cpl_windsp2D(1,1), &
623	knon, knindex)
624
625	ENDIF
626
627	END SUBROUTINE cpl_send_ocean_fields
628
629	!
630	!*************************************************************************************
631	!
632
633	SUBROUTINE cpl_send_seaice_fields(itime, dtime, knon, knindex, &
634	pctsrf, lafin, rlon, rlat, &
635	swdown, lwdown, fluxlat, fluxsens, &
636	precip_rain, precip_snow, evap, tsurf, fder, albsol, taux, tauy)
637	!
638	! This subroutine cumulates some fields for each time-step during a coupling
639	! period. At last time-step in a coupling period the fields are transformed to the
640	! grid accepted by the coupler. All fields for all types of surfaces are sent to
641	! the coupler.
642	!
643	INCLUDE "indicesol.h"
644	INCLUDE "dimensions.h"
645
646	! Input arguments
647	!*************************************************************************************
648	INTEGER, INTENT(IN) :: itime
649	INTEGER, INTENT(IN) :: knon
650	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
651	REAL, INTENT(IN) :: dtime
652	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
653	REAL, DIMENSION(klon), INTENT(IN) :: swdown, lwdown
654	REAL, DIMENSION(klon), INTENT(IN) :: fluxlat, fluxsens
655	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow
656	REAL, DIMENSION(klon), INTENT(IN) :: evap, tsurf, fder
657	REAL, DIMENSION(klon), INTENT(IN) :: albsol, taux, tauy
658	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
659	LOGICAL, INTENT(IN) :: lafin
660
661	! Local variables
662	!*************************************************************************************
663	INTEGER :: cpl_index, ig
664	INTEGER :: error, sum_error
665	CHARACTER(len = 25) :: modname = 'cpl_send_seaice_fields'
666	CHARACTER(len = 80) :: abort_message
667
668
669	!*************************************************************************************
670	! Start calulation
671	! The sea-ice points are saved with second array index=2
672	!
673	!*************************************************************************************
674	cpl_index = 2
675
676	!*************************************************************************************
677	! Reset fields to zero in the beginning of a new coupling period
678	!
679	!*************************************************************************************
680	IF (MOD(itime, nexca) == 1) THEN
681	cpl_sols(:,cpl_index) = 0.0
682	cpl_nsol(:,cpl_index) = 0.0
683	cpl_rain(:,cpl_index) = 0.0
684	cpl_snow(:,cpl_index) = 0.0
685	cpl_evap(:,cpl_index) = 0.0
686	cpl_tsol(:,cpl_index) = 0.0
687	cpl_fder(:,cpl_index) = 0.0
688	cpl_albe(:,cpl_index) = 0.0
689	cpl_taux(:,cpl_index) = 0.0
690	cpl_tauy(:,cpl_index) = 0.0
691	ENDIF
692
693	!*************************************************************************************
694	! Cumulate at each time-step
695	!
696	!*************************************************************************************
697	DO ig = 1, knon
698	cpl_sols(ig,cpl_index) = cpl_sols(ig,cpl_index) + &
699	swdown(ig) / FLOAT(nexca)
700	cpl_nsol(ig,cpl_index) = cpl_nsol(ig,cpl_index) + &
701	(lwdown(ig) + fluxlat(ig) +fluxsens(ig)) / FLOAT(nexca)
702	cpl_rain(ig,cpl_index) = cpl_rain(ig,cpl_index) + &
703	precip_rain(ig) / FLOAT(nexca)
704	cpl_snow(ig,cpl_index) = cpl_snow(ig,cpl_index) + &
705	precip_snow(ig) / FLOAT(nexca)
706	cpl_evap(ig,cpl_index) = cpl_evap(ig,cpl_index) + &
707	evap(ig) / FLOAT(nexca)
708	cpl_tsol(ig,cpl_index) = cpl_tsol(ig,cpl_index) + &
709	tsurf(ig) / FLOAT(nexca)
710	cpl_fder(ig,cpl_index) = cpl_fder(ig,cpl_index) + &
711	fder(ig) / FLOAT(nexca)
712	cpl_albe(ig,cpl_index) = cpl_albe(ig,cpl_index) + &
713	albsol(ig) / FLOAT(nexca)
714	cpl_taux(ig,cpl_index) = cpl_taux(ig,cpl_index) + &
715	taux(ig) / FLOAT(nexca)
716	cpl_tauy(ig,cpl_index) = cpl_tauy(ig,cpl_index) + &
717	tauy(ig) / FLOAT(nexca)
718	ENDDO
719
720	!*************************************************************************************
721	! If the time-step corresponds to the end of coupling period the
722	! fields are transformed to the 2D grid and all fields are sent to coupler.
723	!
724	!*************************************************************************************
725	IF (MOD(itime, nexca) == 0) THEN
726	IF (.NOT. ALLOCATED(cpl_sols2D)) THEN
727	sum_error = 0
728	ALLOCATE(cpl_sols2D(iim,jj_nb,2), stat=error)
729	sum_error = sum_error + error
730	ALLOCATE(cpl_nsol2D(iim,jj_nb,2), stat=error)
731	sum_error = sum_error + error
732	ALLOCATE(cpl_rain2D(iim,jj_nb,2), stat=error)
733	sum_error = sum_error + error
734	ALLOCATE(cpl_snow2D(iim,jj_nb,2), stat=error)
735	sum_error = sum_error + error
736	ALLOCATE(cpl_evap2D(iim,jj_nb,2), stat=error)
737	sum_error = sum_error + error
738	ALLOCATE(cpl_tsol2D(iim,jj_nb,2), stat=error)
739	sum_error = sum_error + error
740	ALLOCATE(cpl_fder2D(iim,jj_nb,2), stat=error)
741	sum_error = sum_error + error
742	ALLOCATE(cpl_albe2D(iim,jj_nb,2), stat=error)
743	sum_error = sum_error + error
744	ALLOCATE(cpl_taux2D(iim,jj_nb,2), stat=error)
745	sum_error = sum_error + error
746	ALLOCATE(cpl_tauy2D(iim,jj_nb,2), stat=error)
747	sum_error = sum_error + error
748	ALLOCATE(cpl_windsp2D(iim,jj_nb), stat=error)
749	sum_error = sum_error + error
750
751	IF (sum_error /= 0) THEN
752	abort_message='Pb allocation variables couplees pour l''ecriture'
753	CALL abort_gcm(modname,abort_message,1)
754	ENDIF
755	ENDIF
756
757	CALL gath2cpl(cpl_sols(1,cpl_index), cpl_sols2D(1,1,cpl_index), &
758	knon, knindex)
759
760	CALL gath2cpl(cpl_nsol(1,cpl_index), cpl_nsol2D(1,1,cpl_index), &
761	knon, knindex)
762
763	CALL gath2cpl(cpl_rain(1,cpl_index), cpl_rain2D(1,1,cpl_index), &
764	knon, knindex)
765
766	CALL gath2cpl(cpl_snow(1,cpl_index), cpl_snow2D(1,1,cpl_index), &
767	knon, knindex)
768
769	CALL gath2cpl(cpl_evap(1,cpl_index), cpl_evap2D(1,1,cpl_index), &
770	knon, knindex)
771
772	! cpl_tsol2D(:,:,:) not used!
773	CALL gath2cpl(cpl_tsol(1,cpl_index), cpl_tsol2D(1,1, cpl_index), &
774	knon, knindex)
775
776	CALL gath2cpl(cpl_fder(1,cpl_index), cpl_fder2D(1,1,cpl_index), &
777	knon, knindex)
778
779	! cpl_albe2D(:,:,:) not used!
780	CALL gath2cpl(cpl_albe(1,cpl_index), cpl_albe2D(1,1,cpl_index), &
781	knon, knindex)
782
783	CALL gath2cpl(cpl_taux(1,cpl_index), cpl_taux2D(1,1,cpl_index), &
784	knon, knindex)
785
786	CALL gath2cpl(cpl_tauy(1,cpl_index), cpl_tauy2D(1,1,cpl_index), &
787	knon, knindex)
788
789	! Send all fields
790	CALL cpl_send_all(itime, dtime, pctsrf, lafin, rlon, rlat)
791	ENDIF
792
793	END SUBROUTINE cpl_send_seaice_fields
794
795	!
796	!*************************************************************************************
797	!
798
799	SUBROUTINE cpl_send_land_fields(itime, knon, knindex, rriv_in, rcoa_in)
800	!
801	! This subroutine cumulates some fields for each time-step during a coupling
802	! period. At last time-step in a coupling period the fields are transformed to the
803	! grid accepted by the coupler. No sending to the coupler will be done from here
804	! (it is done in cpl_send_seaice_fields).
805	!
806	INCLUDE "dimensions.h"
807
808	! Input arguments
809	!*************************************************************************************
810	INTEGER, INTENT(IN) :: itime
811	INTEGER, INTENT(IN) :: knon
812	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
813	REAL, DIMENSION(klon), INTENT(IN) :: rriv_in
814	REAL, DIMENSION(klon), INTENT(IN) :: rcoa_in
815
816	! Local variables
817	!*************************************************************************************
818	REAL, DIMENSION(iim,jj_nb) :: rriv2D
819	REAL, DIMENSION(iim,jj_nb) :: rcoa2D
820
821	!*************************************************************************************
822	! Rearrange fields in 2D variables
823	! First initialize to zero to avoid unvalid points causing problems
824	!
825	!*************************************************************************************
826	rriv2D(:,:) = 0.0
827	rcoa2D(:,:) = 0.0
828	CALL gath2cpl(rriv_in, rriv2D, knon, knindex)
829	CALL gath2cpl(rcoa_in, rcoa2D, knon, knindex)
830
831	!*************************************************************************************
832	! Reset cumulated fields to zero in the beginning of a new coupling period
833	!
834	!*************************************************************************************
835	IF (MOD(itime, nexca) == 1) THEN
836	cpl_rriv2D(:,:) = 0.0
837	cpl_rcoa2D(:,:) = 0.0
838	ENDIF
839
840	!*************************************************************************************
841	! Cumulate : Following fields should be cumulated at each time-step
842	!
843	!*************************************************************************************
844	cpl_rriv2D(:,:) = cpl_rriv2D(:,:) + rriv2D(:,:) / FLOAT(nexca)
845	cpl_rcoa2D(:,:) = cpl_rcoa2D(:,:) + rcoa2D(:,:) / FLOAT(nexca)
846
847	END SUBROUTINE cpl_send_land_fields
848
849	!
850	!*************************************************************************************
851	!
852
853	SUBROUTINE cpl_send_landice_fields(itime, knon, knindex, rlic_in)
854	! This subroutine cumulates the field for melting ice for each time-step
855	! during a coupling period. This routine will not send to coupler. Sending
856	! will be done in cpl_send_seaice_fields.
857	!
858	INCLUDE "dimensions.h"
859
860	! Input varibales
861	!*************************************************************************************
862	INTEGER, INTENT(IN) :: itime
863	INTEGER, INTENT(IN) :: knon
864	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
865	REAL, DIMENSION(klon), INTENT(IN) :: rlic_in
866
867	! Local varibales
868	!*************************************************************************************
869	REAL, DIMENSION(iim,jj_nb) :: rlic2D
870
871	!*************************************************************************************
872	! Rearrange field in a 2D variable
873	! First initialize to zero to avoid unvalid points causing problems
874	!
875	!*************************************************************************************
876	rlic2D(:,:) = 0.0
877	CALL gath2cpl(rlic_in, rlic2D, knon, knindex)
878
879	!*************************************************************************************
880	! Reset field to zero in the beginning of a new coupling period
881	!
882	!*************************************************************************************
883	IF (MOD(itime, nexca) == 1) THEN
884	cpl_rlic2D(:,:) = 0.0
885	ENDIF
886
887	!*************************************************************************************
888	! Cumulate : Melting ice should be cumulated at each time-step
889	!
890	!*************************************************************************************
891	cpl_rlic2D(:,:) = cpl_rlic2D(:,:) + rlic2D(:,:) / FLOAT(nexca)
892
893	END SUBROUTINE cpl_send_landice_fields
894
895	!
896	!*************************************************************************************
897	!
898
899	SUBROUTINE cpl_send_all(itime, dtime, pctsrf, lafin, rlon, rlat)
900	! This routine will send fields for all different surfaces to the coupler.
901	! This subroutine should be executed after calculations by the last surface(sea-ice),
902	! all calculations at the different surfaces have to be done before.
903	!
904	! Some includes
905	!*************************************************************************************
906	INCLUDE "indicesol.h"
907	INCLUDE "temps.h"
908	INCLUDE "dimensions.h"
909
910	! Input arguments
911	!*************************************************************************************
912	INTEGER, INTENT(IN) :: itime
913	REAL, INTENT(IN) :: dtime
914	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
915	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
916	LOGICAL, INTENT(IN) :: lafin
917
918	! Local variables
919	!*************************************************************************************
920	INTEGER :: error, sum_error, j
921	INTEGER :: itau_w
922	INTEGER :: il_time_secs
923	INTEGER, DIMENSION(iim*(jjm+1)) :: ndexct
924	REAL :: Up, Down
925	REAL, DIMENSION(iim, jj_nb) :: tmp_lon, tmp_lat
926	REAL, DIMENSION(iim, jj_nb, 4) :: pctsrf2D
927	REAL, DIMENSION(iim, jj_nb) :: deno
928	CHARACTER(len = 20) :: modname = 'cpl_send_all'
929	CHARACTER(len = 80) :: abort_message
930
931	! Variables with fields to coupler
932	REAL, DIMENSION(iim, jj_nb) :: tmp_taux
933	REAL, DIMENSION(iim, jj_nb) :: tmp_tauy
934	REAL, DIMENSION(iim, jj_nb) :: tmp_calv
935	! Table with all fields to send to coupler
936	REAL, DIMENSION(iim, jj_nb, jpflda2o1+jpflda2o2) :: tab_flds
937	#ifdef CPP_PARA
938	INCLUDE 'mpif.h'
939	INTEGER, DIMENSION(MPI_STATUS_SIZE) :: status
940	#endif
941
942	! End definitions
943	!*************************************************************************************
944
945
946
947	!*************************************************************************************
948	! All fields are stored in a table tab_flds(:,:,:)
949	! First store the fields 7 to 18 which are already on the right format
950	!
951	!*************************************************************************************
952	tab_flds(:,:,7) = cpl_windsp2D(:,:)
953	tab_flds(:,:,8) = cpl_sols2D(:,:,2)
954	tab_flds(:,:,9) = cpl_sols2D(:,:,1)
955	tab_flds(:,:,10) = cpl_nsol2D(:,:,2)
956	tab_flds(:,:,11) = cpl_nsol2D(:,:,1)
957	tab_flds(:,:,12) = cpl_fder2D(:,:,2)
958	tab_flds(:,:,13) = cpl_evap2D(:,:,2)
959	tab_flds(:,:,14) = cpl_evap2D(:,:,1)
960	tab_flds(:,:,17) = cpl_rcoa2D(:,:)
961	tab_flds(:,:,18) = cpl_rriv2D(:,:)
962
963	!*************************************************************************************
964	! Transform the fraction of sub-surfaces from 1D to 2D array
965	!
966	!*************************************************************************************
967	pctsrf2D(:,:,:) = 0.
968	CALL gath2cpl(pctsrf(:,is_oce), pctsrf2D(:,:,is_oce), klon, unity)
969	CALL gath2cpl(pctsrf(:,is_sic), pctsrf2D(:,:,is_sic), klon, unity)
970	CALL gath2cpl(pctsrf(:,is_lic), pctsrf2D(:,:,is_lic), klon, unity)
971
972	!*************************************************************************************
973	! Calculate the average calving per latitude
974	! Store calving in tab_flds(:,:,19)
975	!
976	!*************************************************************************************
977	DO j = 1, jj_nb
978	tmp_calv(:,j) = DOT_PRODUCT (cpl_rlic2D(1:iim,j), &
979	pctsrf2D(1:iim,j,is_lic)) / REAL(iim)
980	ENDDO
981
982
983	IF (is_parallel) THEN
984	IF (.NOT. is_north_pole) THEN
985	#ifdef CPP_PARA
986	CALL MPI_RECV(Up,1,MPI_REAL_LMDZ,mpi_rank-1,1234,COMM_LMDZ_PHY,status,error)
987	CALL MPI_SEND(tmp_calv(1,1),1,MPI_REAL_LMDZ,mpi_rank-1,1234,COMM_LMDZ_PHY,error)
988	#endif
989	ENDIF
990
991	IF (.NOT. is_south_pole) THEN
992	#ifdef CPP_PARA
993	CALL MPI_SEND(tmp_calv(1,jj_nb),1,MPI_REAL_LMDZ,mpi_rank+1,1234,COMM_LMDZ_PHY,error)
994	CALL MPI_RECV(down,1,MPI_REAL_LMDZ,mpi_rank+1,1234,COMM_LMDZ_PHY,status,error)
995	#endif
996	ENDIF
997
998	IF (.NOT. is_north_pole .AND. ii_begin /=1) THEN
999	Up=Up+tmp_calv(iim,1)
1000	tmp_calv(:,1)=Up
1001	ENDIF
1002
1003	IF (.NOT. is_south_pole .AND. ii_end /= iim) THEN
1004	Down=Down+tmp_calv(1,jj_nb)
1005	tmp_calv(:,jj_nb)=Down
1006	ENDIF
1007	ENDIF
1008
1009
1010	tab_flds(:,:,19) = tmp_calv(:,:)
1011
1012	!*************************************************************************************
1013	! Calculate total flux for snow, rain and wind with weighted addition using the
1014	! fractions of ocean and seaice.
1015	!
1016	! Store the fields for rain and snow directly in tab_flds(:,:,15) and
1017	! tab_flds(:,:,16) respectively.
1018	!
1019	!*************************************************************************************
1020	tab_flds(:,:,15) = 0.0
1021	tab_flds(:,:,16) = 0.0
1022	tmp_taux(:,:) = 0.0
1023	tmp_tauy(:,:) = 0.0
1024
1025
1026	! fraction oce+seaice
1027	deno = pctsrf2D(:,:,is_oce) + pctsrf2D(:,:,is_sic)
1028	! For all valid grid cells containing some fraction of ocean or sea-ice
1029	WHERE ( deno(:,:) /= 0 )
1030	tab_flds(:,:,15) = cpl_rain2D(:,:,1) * pctsrf2D(:,:,is_oce) / deno(:,:) + &
1031	cpl_rain2D(:,:,2) * pctsrf2D(:,:,is_sic) / deno(:,:)
1032	tab_flds(:,:,16) = cpl_snow2D(:,:,1) * pctsrf2D(:,:,is_oce) / deno(:,:) + &
1033	cpl_snow2D(:,:,2) * pctsrf2D(:,:,is_sic) / deno(:,:)
1034
1035	tmp_taux = cpl_taux2D(:,:,1) * pctsrf2D(:,:,is_oce) / deno(:,:) + &
1036	cpl_taux2D(:,:,2) * pctsrf2D(:,:,is_sic) / deno(:,:)
1037	tmp_tauy = cpl_tauy2D(:,:,1) * pctsrf2D(:,:,is_oce) / deno(:,:) + &
1038	cpl_tauy2D(:,:,2) * pctsrf2D(:,:,is_sic) / deno(:,:)
1039	ENDWHERE
1040
1041	!*************************************************************************************
1042	! Transform the wind components from local atmospheric 2D coordinates to geocentric
1043	! 3D coordinates.
1044	! Store the resulting wind components in tab_flds(:,:,1:6)
1045	!*************************************************************************************
1046
1047	! Transform the longitudes and latitudes on 2D arrays
1048	CALL Grid1DTo2D_mpi(rlon,tmp_lon)
1049	CALL Grid1DTo2D_mpi(rlat,tmp_lat)
1050
1051	IF (is_sequential) THEN
1052	IF (is_north_pole) tmp_lon(:,1) = tmp_lon(:,2)
1053	IF (is_south_pole) tmp_lon(:,jjm+1) = tmp_lon(:,jjm)
1054	ENDIF
1055
1056	! NetCDF output of the wind before transformation of coordinate system
1057	IF (is_sequential) THEN
1058	ndexct(:) = 0
1059	itau_w = itau_phy + itime
1060	CALL histwrite(nidct,'tauxe',itau_w,tmp_taux,iim*(jjm+1),ndexct)
1061	CALL histwrite(nidct,'tauyn',itau_w,tmp_tauy,iim*(jjm+1),ndexct)
1062	CALL histwrite(nidct,'tmp_lon',itau_w,tmp_lon,iim*(jjm+1),ndexct)
1063	CALL histwrite(nidct,'tmp_lat',itau_w,tmp_lat,iim*(jjm+1),ndexct)
1064	ENDIF
1065
1066	! Transform the wind from local atmospheric 2D coordinates to geocentric
1067	! 3D coordinates
1068	CALL atm2geo (iim, jj_nb, tmp_taux, tmp_tauy, tmp_lon, tmp_lat, &
1069	tab_flds(:,:,1), tab_flds(:,:,2), tab_flds(:,:,3) )
1070
1071	tab_flds(:,:,4) = tab_flds(:,:,1)
1072	tab_flds(:,:,5) = tab_flds(:,:,2)
1073	tab_flds(:,:,6) = tab_flds(:,:,3)
1074
1075	!*************************************************************************************
1076	! NetCDF output of all fields just before sending to coupler.
1077	!
1078	!*************************************************************************************
1079	IF (is_sequential) THEN
1080	CALL histwrite(nidct,cl_writ(8), itau_w,tab_flds(:,:,8), iim*(jjm+1),ndexct)
1081	CALL histwrite(nidct,cl_writ(9), itau_w,tab_flds(:,:,9), iim*(jjm+1),ndexct)
1082	CALL histwrite(nidct,cl_writ(10),itau_w,tab_flds(:,:,10),iim*(jjm+1),ndexct)
1083	CALL histwrite(nidct,cl_writ(11),itau_w,tab_flds(:,:,11),iim*(jjm+1),ndexct)
1084	CALL histwrite(nidct,cl_writ(12),itau_w,tab_flds(:,:,12),iim*(jjm+1),ndexct)
1085	CALL histwrite(nidct,cl_writ(13),itau_w,tab_flds(:,:,13),iim*(jjm+1),ndexct)
1086	CALL histwrite(nidct,cl_writ(14),itau_w,tab_flds(:,:,14),iim*(jjm+1),ndexct)
1087	CALL histwrite(nidct,cl_writ(15),itau_w,tab_flds(:,:,15),iim*(jjm+1),ndexct)
1088	CALL histwrite(nidct,cl_writ(16),itau_w,tab_flds(:,:,16),iim*(jjm+1),ndexct)
1089	CALL histwrite(nidct,cl_writ(17),itau_w,tab_flds(:,:,17),iim*(jjm+1),ndexct)
1090	CALL histwrite(nidct,cl_writ(18),itau_w,tab_flds(:,:,18),iim*(jjm+1),ndexct)
1091	CALL histwrite(nidct,cl_writ(19),itau_w,tab_flds(:,:,19),iim*(jjm+1),ndexct)
1092	CALL histwrite(nidct,cl_writ(1), itau_w,tab_flds(:,:,1), iim*(jjm+1),ndexct)
1093	CALL histwrite(nidct,cl_writ(2), itau_w,tab_flds(:,:,2), iim*(jjm+1),ndexct)
1094	CALL histwrite(nidct,cl_writ(3), itau_w,tab_flds(:,:,3), iim*(jjm+1),ndexct)
1095	CALL histwrite(nidct,cl_writ(4), itau_w,tab_flds(:,:,4), iim*(jjm+1),ndexct)
1096	CALL histwrite(nidct,cl_writ(5), itau_w,tab_flds(:,:,5), iim*(jjm+1),ndexct)
1097	CALL histwrite(nidct,cl_writ(6), itau_w,tab_flds(:,:,6), iim*(jjm+1),ndexct)
1098	CALL histwrite(nidct,cl_writ(7), itau_w,tab_flds(:,:,7), iim*(jjm+1),ndexct)
1099	CALL histsync(nidct)
1100	ENDIF
1101
1102
1103	!*************************************************************************************
1104	! Send the table of all fields
1105	!
1106	!*************************************************************************************
1107	#ifdef CPP_COUPLE
1108	il_time_secs=(itime-1)*dtime
1109	CALL intocpl(il_time_secs, lafin, tab_flds(:,:,:))
1110	#endif
1111
1112	!*************************************************************************************
1113	! Finish with some dellocate
1114	!
1115	!*************************************************************************************
1116	sum_error=0
1117	DEALLOCATE(cpl_sols2D, cpl_nsol2D, cpl_rain2D, cpl_snow2D, stat=error )
1118	sum_error = sum_error + error
1119	DEALLOCATE(cpl_evap2D, cpl_tsol2D, cpl_fder2D, cpl_albe2D, stat=error )
1120	sum_error = sum_error + error
1121	DEALLOCATE(cpl_taux2D, cpl_tauy2D, cpl_windsp2D, stat=error )
1122	sum_error = sum_error + error
1123	IF (sum_error /= 0) THEN
1124	abort_message='Pb in deallocation of cpl_xxxx2D coupling variables'
1125	CALL abort_gcm(modname,abort_message,1)
1126	ENDIF
1127
1128	END SUBROUTINE cpl_send_all
1129	!
1130	!*************************************************************************************
1131	!
1132	SUBROUTINE cpl2gath(champ_in, champ_out, knon, knindex)
1133	! Cette routine ecrit un champ 'gathered' sur la grille 2D pour le passer
1134	! au coupleur.
1135	!
1136	!
1137	! input:
1138	! champ_in champ sur la grille gathere
1139	! knon nombre de points dans le domaine a traiter
1140	! knindex index des points de la surface a traiter
1141	!
1142	! output:
1143	! champ_out champ sur la grille 2D
1144	!
1145	INCLUDE "dimensions.h"
1146
1147	! Input
1148	INTEGER, INTENT(IN) :: knon
1149	REAL, DIMENSION(iim,jj_nb), INTENT(IN) :: champ_in
1150	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
1151
1152	! Output
1153	REAL, DIMENSION(klon), INTENT(OUT) :: champ_out
1154
1155	! Local
1156	INTEGER :: i, ig
1157	REAL, DIMENSION(klon) :: tamp
1158
1159	!*************************************************************************************
1160	!
1161	! Transform from 2 dimensions (iim,jj_nb) to 1 dimension (klon)
1162	CALL Grid2Dto1D_mpi(champ_in,tamp)
1163
1164	! Compress from klon to knon
1165	DO i = 1, knon
1166	ig = knindex(i)
1167	champ_out(i) = tamp(ig)
1168	ENDDO
1169
1170	END SUBROUTINE cpl2gath
1171	!
1172	!*************************************************************************************
1173	!
1174	SUBROUTINE gath2cpl(champ_in, champ_out, knon, knindex)
1175	! Cette routine ecrit un champ 'gathered' sur la grille 2D pour le passer
1176	! au coupleur.
1177	!
1178	! input:
1179	! champ_in champ sur la grille gathere
1180	! knon nombre de points dans le domaine a traiter
1181	! knindex index des points de la surface a traiter
1182	!
1183	! output:
1184	! champ_out champ sur la grille 2D
1185	!
1186	INCLUDE "dimensions.h"
1187
1188	! Input arguments
1189	!*************************************************************************************
1190	INTEGER, INTENT(IN) :: knon
1191	REAL, DIMENSION(klon), INTENT(IN) :: champ_in
1192	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
1193
1194	! Output arguments
1195	!*************************************************************************************
1196	REAL, DIMENSION(iim,jj_nb), INTENT(OUT) :: champ_out
1197
1198	! Local variables
1199	!*************************************************************************************
1200	INTEGER :: i, ig
1201	REAL, DIMENSION(klon) :: tamp
1202
1203	!*************************************************************************************
1204
1205	! Decompress from knon to klon
1206	tamp = 0.
1207	DO i = 1, knon
1208	ig = knindex(i)
1209	tamp(ig) = champ_in(i)
1210	ENDDO
1211
1212	! Transform from 1 dimension (klon) to 2 dimensions (iim,jj_nb)
1213	CALL Grid1Dto2D_mpi(tamp,champ_out)
1214
1215	IF (is_north_pole) champ_out(:,1)=tamp(1)
1216	IF (is_south_pole) champ_out(:,jj_nb)=tamp(klon)
1217
1218	END SUBROUTINE gath2cpl
1219	!
1220	!*************************************************************************************
1221	!
1222	END MODULE cpl_mod
1223

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