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cpl_mod.F90 @ 1134

Last change on this file since 1134 was 1067, checked in by Laurent Fairhead, 16 years ago

Modifications lie au premier niveau du modele pour la diffusion turbulent

du vent.

Preparation pour un couplage des courrant oceaniques.

Property svn:eol-style set to native
Property svn:executable set to *
Property svn:keywords set to Author Date Id Revision

File size: 52.7 KB

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1	!
2	MODULE cpl_mod
3	!
4	! This module excahanges and transforms all fields that should be recieved or sent to
5	! coupler. The transformation of the fields are done from the grid 1D-array in phylmd
6	! to the regular 2D grid accepted by the coupler. Cumulation of the fields for each
7	! timestep is done in here.
8	!
9	! Each type of surface that recevie fields from the coupler have a subroutine named
10	! cpl_receive_XXX_fields and each surface that have fields to be sent to the coupler
11	! have a subroutine named cpl_send_XXX_fields.
12	!
13	!*************************************************************************************
14
15	! Use statements
16	!*************************************************************************************
17	USE dimphy, ONLY : klon
18	USE mod_phys_lmdz_para
19	USE ioipsl
20	USE iophy
21
22	! The module oasis is always used. Without the cpp key CPP_COUPLE only the parameters
23	! in the module are compiled and not the subroutines.
24	USE oasis
25	USE write_field_phy
26
27	! Global attributes
28	!*************************************************************************************
29	IMPLICIT NONE
30	PRIVATE
31
32	! All subroutine are public except cpl_send_all
33	PUBLIC :: cpl_init, cpl_receive_frac, cpl_receive_ocean_fields, cpl_receive_seaice_fields, &
34	cpl_send_ocean_fields, cpl_send_seaice_fields, cpl_send_land_fields, &
35	cpl_send_landice_fields, gath2cpl
36
37
38	! Declaration of module variables
39	!*************************************************************************************
40	! variable for coupling period
41	INTEGER, SAVE :: nexca
42	!$OMP THREADPRIVATE(nexca)
43
44	! variables for cumulating fields during a coupling periode :
45	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: cpl_sols, cpl_nsol, cpl_rain
46	!$OMP THREADPRIVATE(cpl_sols,cpl_nsol,cpl_rain)
47	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: cpl_snow, cpl_evap, cpl_tsol
48	!$OMP THREADPRIVATE(cpl_snow,cpl_evap,cpl_tsol)
49	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: cpl_fder, cpl_albe, cpl_taux
50	!$OMP THREADPRIVATE(cpl_fder,cpl_albe,cpl_taux)
51	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: cpl_windsp
52	!$OMP THREADPRIVATE(cpl_windsp)
53	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: cpl_tauy
54	!$OMP THREADPRIVATE(cpl_tauy)
55	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: cpl_rriv2D, cpl_rcoa2D, cpl_rlic2D
56	!$OMP THREADPRIVATE(cpl_rriv2D,cpl_rcoa2D,cpl_rlic2D)
57
58	! variables read from coupler :
59	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: read_sst ! sea surface temperature
60	!$OMP THREADPRIVATE(read_sst)
61	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: read_sit ! sea ice temperature
62	!$OMP THREADPRIVATE(read_sit)
63	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: read_sic ! sea ice fraction
64	!$OMP THREADPRIVATE(read_sic)
65	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: read_alb_sic ! albedo at sea ice
66	!$OMP THREADPRIVATE(read_alb_sic)
67	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: read_u0, read_v0 ! ocean surface current
68	!$OMP THREADPRIVATE(read_u0,read_v0)
69
70	INTEGER, ALLOCATABLE, DIMENSION(:), SAVE :: unity
71	!$OMP THREADPRIVATE(unity)
72	INTEGER, SAVE :: nidct, nidcs
73	!$OMP THREADPRIVATE(nidct,nidcs)
74
75	! variables to be sent to the coupler
76	REAL, ALLOCATABLE, DIMENSION(:,:,:), SAVE :: cpl_sols2D, cpl_nsol2D, cpl_rain2D
77	!$OMP THREADPRIVATE(cpl_sols2D, cpl_nsol2D, cpl_rain2D)
78	REAL, ALLOCATABLE, DIMENSION(:,:,:), SAVE :: cpl_snow2D, cpl_evap2D, cpl_tsol2D
79	!$OMP THREADPRIVATE(cpl_snow2D, cpl_evap2D, cpl_tsol2D)
80	REAL, ALLOCATABLE, DIMENSION(:,:,:), SAVE :: cpl_fder2D, cpl_albe2D
81	!$OMP THREADPRIVATE(cpl_fder2D, cpl_albe2D)
82	REAL, ALLOCATABLE, DIMENSION(:,:,:), SAVE :: cpl_taux2D, cpl_tauy2D
83	!$OMP THREADPRIVATE(cpl_taux2D, cpl_tauy2D)
84	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: cpl_windsp2D
85	!$OMP THREADPRIVATE(cpl_windsp2D)
86
87	! variable for OPENMP parallelisation
88
89	INTEGER,ALLOCATABLE,DIMENSION(:),SAVE :: knon_omp
90	REAL,ALLOCATABLE,DIMENSION(:,:),SAVE :: buffer_omp
91
92	CONTAINS
93	!
94	!************************************************************************************
95	!
96	SUBROUTINE cpl_init(dtime, rlon, rlat)
97
98	INCLUDE "dimensions.h"
99	INCLUDE "indicesol.h"
100	INCLUDE "control.h"
101	INCLUDE "temps.h"
102	INCLUDE "iniprint.h"
103
104	! Input arguments
105	!*************************************************************************************
106	REAL, INTENT(IN) :: dtime
107	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
108
109	! Local variables
110	!*************************************************************************************
111	INTEGER :: error, sum_error, ig, i
112	INTEGER :: jf, nhoridct
113	INTEGER :: nhoridcs
114	INTEGER :: idtime
115	INTEGER :: idayref
116	INTEGER :: npas ! only for OASIS2
117	REAL :: zjulian
118	REAL, DIMENSION(iim,jjm+1) :: zx_lon, zx_lat
119	CHARACTER(len = 20) :: modname = 'cpl_init'
120	CHARACTER(len = 80) :: abort_message
121	CHARACTER(len=80) :: clintocplnam, clfromcplnam
122
123	!*************************************************************************************
124	! Calculate coupling period
125	!
126	!*************************************************************************************
127
128	npas = itaufin/ iphysiq
129	nexca = 86400 / dtime
130	WRITE(lunout,*)' ##### Ocean couple #####'
131	WRITE(lunout,*)' Valeurs des pas de temps'
132	WRITE(lunout,*)' npas = ', npas
133	WRITE(lunout,*)' nexca = ', nexca
134
135	!*************************************************************************************
136	! Allocate variables
137	!
138	!*************************************************************************************
139	error = 0
140	sum_error = 0
141
142	ALLOCATE(unity(klon), stat = error)
143	sum_error = sum_error + error
144	ALLOCATE(cpl_sols(klon,2), stat = error)
145	sum_error = sum_error + error
146	ALLOCATE(cpl_nsol(klon,2), stat = error)
147	sum_error = sum_error + error
148	ALLOCATE(cpl_rain(klon,2), stat = error)
149	sum_error = sum_error + error
150	ALLOCATE(cpl_snow(klon,2), stat = error)
151	sum_error = sum_error + error
152	ALLOCATE(cpl_evap(klon,2), stat = error)
153	sum_error = sum_error + error
154	ALLOCATE(cpl_tsol(klon,2), stat = error)
155	sum_error = sum_error + error
156	ALLOCATE(cpl_fder(klon,2), stat = error)
157	sum_error = sum_error + error
158	ALLOCATE(cpl_albe(klon,2), stat = error)
159	sum_error = sum_error + error
160	ALLOCATE(cpl_taux(klon,2), stat = error)
161	sum_error = sum_error + error
162	ALLOCATE(cpl_windsp(klon,2), stat = error)
163	sum_error = sum_error + error
164	ALLOCATE(cpl_tauy(klon,2), stat = error)
165	sum_error = sum_error + error
166	ALLOCATE(cpl_rriv2D(iim,jj_nb), stat=error)
167	sum_error = sum_error + error
168	ALLOCATE(cpl_rcoa2D(iim,jj_nb), stat=error)
169	sum_error = sum_error + error
170	ALLOCATE(cpl_rlic2D(iim,jj_nb), stat=error)
171	sum_error = sum_error + error
172	ALLOCATE(read_sst(iim, jj_nb), stat = error)
173	sum_error = sum_error + error
174	ALLOCATE(read_sic(iim, jj_nb), stat = error)
175	sum_error = sum_error + error
176	ALLOCATE(read_sit(iim, jj_nb), stat = error)
177	sum_error = sum_error + error
178	ALLOCATE(read_alb_sic(iim, jj_nb), stat = error)
179	sum_error = sum_error + error
180
181	ALLOCATE(read_u0(iim, jj_nb), stat = error)
182	sum_error = sum_error + error
183	ALLOCATE(read_v0(iim, jj_nb), stat = error)
184	sum_error = sum_error + error
185
186	IF (sum_error /= 0) THEN
187	abort_message='Pb allocation variables couplees'
188	CALL abort_gcm(modname,abort_message,1)
189	ENDIF
190	!*************************************************************************************
191	! Initialize the allocated varaibles
192	!
193	!*************************************************************************************
194	DO ig = 1, klon
195	unity(ig) = ig
196	ENDDO
197
198	! cpl_sols = 0. ; cpl_nsol = 0. ; cpl_rain = 0. ; cpl_snow = 0.
199	! cpl_evap = 0. ; cpl_tsol = 0. ; cpl_fder = 0. ; cpl_albe = 0.
200	! cpl_taux = 0. ; cpl_tauy = 0. ; cpl_rriv2D = 0. ; cpl_rcoa2D = 0.
201	! cpl_rlic2D = 0. ; cpl_windsp = 0.
202
203	!*************************************************************************************
204	! Initialize coupling
205	!
206	!*************************************************************************************
207	idtime = INT(dtime)
208	#ifdef CPP_COUPLE
209	!$OMP MASTER
210	CALL inicma
211	!$OMP END MASTER
212	#endif
213
214	!*************************************************************************************
215	! initialize NetCDF output
216	!
217	!*************************************************************************************
218	IF (is_sequential) THEN
219	idayref = day_ini
220	CALL ymds2ju(annee_ref, 1, idayref, 0.0, zjulian)
221	CALL gr_fi_ecrit(1,klon,iim,jjm+1,rlon,zx_lon)
222	DO i = 1, iim
223	zx_lon(i,1) = rlon(i+1)
224	zx_lon(i,jjm+1) = rlon(i+1)
225	ENDDO
226	CALL gr_fi_ecrit(1,klon,iim,jjm+1,rlat,zx_lat)
227	clintocplnam="cpl_atm_tauflx"
228	CALL histbeg(clintocplnam, iim,zx_lon(:,1),jjm+1,zx_lat(1,:),&
229	1,iim,1,jjm+1, itau_phy,zjulian,dtime,nhoridct,nidct)
230	! no vertical axis
231	CALL histdef(nidct, 'tauxe','tauxe', &
232	"-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
233	CALL histdef(nidct, 'tauyn','tauyn', &
234	"-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
235	CALL histdef(nidct, 'tmp_lon','tmp_lon', &
236	"-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
237	CALL histdef(nidct, 'tmp_lat','tmp_lat', &
238	"-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
239	DO jf=1,jpflda2o1 + jpflda2o2
240	CALL histdef(nidct, cl_writ(jf),cl_writ(jf), &
241	"-",iim, jjm+1, nhoridct, 1, 1, 1, -99, 32, "inst", dtime,dtime)
242	END DO
243	CALL histend(nidct)
244	CALL histsync(nidct)
245
246	clfromcplnam="cpl_atm_sst"
247	CALL histbeg(clfromcplnam, iim,zx_lon(:,1),jjm+1,zx_lat(1,:),1,iim,1,jjm+1, &
248	0,zjulian,dtime,nhoridcs,nidcs)
249	! no vertical axis
250	DO jf=1,jpfldo2a
251	CALL histdef(nidcs, cl_read(jf),cl_read(jf), &
252	"-",iim, jjm+1, nhoridcs, 1, 1, 1, -99, 32, "inst", dtime,dtime)
253	END DO
254	CALL histend(nidcs)
255	CALL histsync(nidcs)
256
257	ENDIF ! is_sequential
258
259	! OPENMP Initialization
260
261	!$OMP MASTER
262	ALLOCATE(knon_omp(0:omp_size-1))
263	ALLOCATE(buffer_omp(klon_mpi,0:omp_size-1))
264	!$OMP END MASTER
265	!$OMP BARRIER
266
267	END SUBROUTINE cpl_init
268
269	!
270	!*************************************************************************************
271	!
272
273	SUBROUTINE cpl_receive_frac(itime, dtime, pctsrf, is_modified)
274	! This subroutine receives from coupler for both ocean and seaice
275	! 4 fields : read_sst, read_sic, read_sit and read_alb_sic.
276	! The new sea-ice-land-landice fraction is returned. The others fields
277	! are stored in this module.
278	USE surface_data
279	USE phys_state_var_mod, ONLY : rlon, rlat
280	USE Write_Field
281
282	INCLUDE "indicesol.h"
283	INCLUDE "temps.h"
284	INCLUDE "iniprint.h"
285	INCLUDE "YOMCST.h"
286	INCLUDE "dimensions.h"
287
288	! Arguments
289	!************************************************************************************
290	INTEGER, INTENT(IN) :: itime
291	REAL, INTENT(IN) :: dtime
292	REAL, DIMENSION(klon,nbsrf), INTENT(INOUT) :: pctsrf
293	LOGICAL, INTENT(OUT) :: is_modified
294
295	! Local variables
296	!************************************************************************************
297	INTEGER :: j, i, time_sec
298	INTEGER :: itau_w
299	INTEGER, DIMENSION(iim*(jjm+1)) :: ndexcs
300	CHARACTER(len = 20) :: modname = 'cpl_receive_frac'
301	CHARACTER(len = 80) :: abort_message
302	REAL, DIMENSION(klon) :: read_sic1D
303	REAL, DIMENSION(iim,jj_nb,jpfldo2a) :: tab_read_flds
304	REAL, DIMENSION(klon,nbsrf) :: pctsrf_old
305	REAL, DIMENSION(klon_mpi) :: rlon_mpi, rlat_mpi
306	REAL, DIMENSION(iim, jj_nb) :: tmp_lon, tmp_lat
307	REAL, DIMENSION(iim, jj_nb) :: tmp_r0
308
309	!*************************************************************************************
310	! Start calculation
311	! Get fields from coupler
312	!
313	!*************************************************************************************
314
315	is_modified=.FALSE.
316
317	! Check if right moment to recevie from coupler
318	IF (MOD(itime, nexca) == 1) THEN
319	is_modified=.TRUE.
320
321	time_sec=(itime-1)*dtime
322	#ifdef CPP_COUPLE
323	!$OMP MASTER
324	CALL fromcpl(time_sec, tab_read_flds)
325	!$OMP END MASTER
326	#endif
327
328	! NetCDF output of received fields
329	IF (is_sequential) THEN
330	ndexcs(:) = 0
331	itau_w = itau_phy + itime
332	DO i = 1, jpfldo2a
333	CALL histwrite(nidcs,cl_read(i),itau_w,tab_read_flds(:,:,i),iim*(jjm+1),ndexcs)
334	END DO
335	ENDIF
336
337
338	! Save each field in a 2D array.
339	!$OMP MASTER
340	IF (version_ocean=='nemo') THEN
341	read_sst(:,:) = tab_read_flds(:,:,1) ! Sea surface temperature
342	read_sic(:,:) = tab_read_flds(:,:,2) ! Sea ice concentration
343	read_sit(:,:) = tab_read_flds(:,:,3) ! Sea ice temperature
344	read_alb_sic(:,:) = tab_read_flds(:,:,4) ! Albedo at sea ice
345	ELSE IF (version_ocean=='opa8') THEN
346	read_sst(:,:) = tab_read_flds(:,:,1) ! Sea surface temperature (multiplicated by fraction)
347	read_sic(:,:) = tab_read_flds(:,:,2) ! Sea ice concentration
348	read_alb_sic(:,:) = tab_read_flds(:,:,3) ! Albedo at sea ice (multiplicated by fraction)
349	read_sit(:,:) = tab_read_flds(:,:,4) ! Sea ice temperature (multiplicated by fraction)
350	END IF
351	!$OMP END MASTER
352
353	IF (cpl_current) THEN
354
355	! Transform the longitudes and latitudes on 2D arrays
356	CALL gather_omp(rlon,rlon_mpi)
357	CALL gather_omp(rlat,rlat_mpi)
358	!$OMP MASTER
359	CALL Grid1DTo2D_mpi(rlon_mpi,tmp_lon)
360	CALL Grid1DTo2D_mpi(rlat_mpi,tmp_lat)
361
362	! Transform the currents from cartesian to spheric coordinates
363	! tmp_r0 should be zero
364	CALL geo2atm(iim, jj_nb, tab_read_flds(:,:,5), tab_read_flds(:,:,6), tab_read_flds(:,:,7), &
365	tmp_lon, tmp_lat, &
366	read_u0(:,:), read_v0(:,:), tmp_r0(:,:))
367	!$OMP END MASTER
368	CALL WriteField('read_u0',read_u0)
369	CALL WriteField('read_v0',read_v0)
370	CALL WriteField('read_r0',tmp_r0)
371	ELSE
372	read_u0(:,:) = 0.
373	read_v0(:,:) = 0.
374	ENDIF
375
376	!*************************************************************************************
377	! Transform seaice fraction (read_sic : ocean-seaice mask) into global
378	! fraction (pctsrf : ocean-seaice-land-landice mask)
379	!
380	!*************************************************************************************
381	CALL cpl2gath(read_sic, read_sic1D, klon, unity)
382
383	pctsrf_old(:,:) = pctsrf(:,:)
384	DO i = 1, klon
385	! treatment only of points with ocean and/or seaice
386	IF (pctsrf_old(i,is_oce) + pctsrf_old(i,is_sic) > 0.) THEN
387	pctsrf(i,is_sic) = (pctsrf_old(i,is_oce) + pctsrf_old(i,is_sic)) &
388	* read_sic1D(i)
389	pctsrf(i,is_oce) = (pctsrf_old(i,is_oce) + pctsrf_old(i,is_sic)) &
390	- pctsrf(i,is_sic)
391	ENDIF
392	ENDDO
393
394	END IF ! if time to receive
395
396	END SUBROUTINE cpl_receive_frac
397
398	!
399	!*************************************************************************************
400	!
401
402	SUBROUTINE cpl_receive_ocean_fields(knon, knindex, tsurf_new, u0_new, v0_new)
403	!
404	! This routine returns the field for the ocean that has been read from the coupler
405	! (done earlier with cpl_receive_frac). The field is the temperature.
406	! The temperature is transformed into 1D array with valid points from index 1 to knon.
407	!
408	INCLUDE "indicesol.h"
409
410	! Input arguments
411	!*************************************************************************************
412	INTEGER, INTENT(IN) :: knon
413	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
414
415	! Output arguments
416	!*************************************************************************************
417	REAL, DIMENSION(klon), INTENT(OUT) :: tsurf_new
418	REAL, DIMENSION(klon), INTENT(OUT) :: u0_new
419	REAL, DIMENSION(klon), INTENT(OUT) :: v0_new
420
421	! Local variables
422	!*************************************************************************************
423	INTEGER :: i
424	REAL, DIMENSION(klon) :: sic_new
425
426	!*************************************************************************************
427	! Transform read_sst into compressed 1D variable tsurf_new
428	!
429	!*************************************************************************************
430	CALL cpl2gath(read_sst, tsurf_new, knon, knindex)
431	CALL cpl2gath(read_sic, sic_new, knon, knindex)
432	CALL cpl2gath(read_u0, u0_new, knon, knindex)
433	CALL cpl2gath(read_v0, v0_new, knon, knindex)
434
435	!*************************************************************************************
436	! The fields received from the coupler have to be weighted with the fraction of ocean
437	! in relation to the total sea-ice+ocean
438	!
439	!*************************************************************************************
440	DO i=1, knon
441	tsurf_new(i) = tsurf_new(i)/(1. - sic_new(i))
442	END DO
443
444	END SUBROUTINE cpl_receive_ocean_fields
445
446	!
447	!*************************************************************************************
448	!
449
450	SUBROUTINE cpl_receive_seaice_fields(knon, knindex, &
451	tsurf_new, alb_new)
452	!
453	! This routine returns the fields for the seaice that have been read from the coupler
454	! (done earlier with cpl_receive_frac). These fields are the temperature and
455	! albedo at sea ice surface and fraction of sea ice.
456	! The fields are transformed into 1D arrays with valid points from index 1 to knon.
457	!
458
459	! Input arguments
460	!*************************************************************************************
461	INTEGER, INTENT(IN) :: knon
462	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
463
464	! Output arguments
465	!*************************************************************************************
466	REAL, DIMENSION(klon), INTENT(OUT) :: tsurf_new
467	REAL, DIMENSION(klon), INTENT(OUT) :: alb_new
468
469	! Local variables
470	!*************************************************************************************
471	INTEGER :: i
472	REAL, DIMENSION(klon) :: sic_new
473
474	!*************************************************************************************
475	! Transform fields read from coupler from 2D into compressed 1D variables
476	!
477	!*************************************************************************************
478	CALL cpl2gath(read_sit, tsurf_new, knon, knindex)
479	CALL cpl2gath(read_alb_sic, alb_new, knon, knindex)
480	CALL cpl2gath(read_sic, sic_new, knon, knindex)
481
482	!*************************************************************************************
483	! The fields received from the coupler have to be weighted with the sea-ice
484	! concentration (in relation to the total sea-ice + ocean).
485	!
486	!*************************************************************************************
487	DO i= 1, knon
488	tsurf_new(i) = tsurf_new(i) / sic_new(i)
489	alb_new(i) = alb_new(i) / sic_new(i)
490	END DO
491
492	END SUBROUTINE cpl_receive_seaice_fields
493
494	!
495	!*************************************************************************************
496	!
497
498	SUBROUTINE cpl_send_ocean_fields(itime, knon, knindex, &
499	swdown, lwdown, fluxlat, fluxsens, &
500	precip_rain, precip_snow, evap, tsurf, fder, albsol, taux, tauy, windsp)
501	!
502	! This subroutine cumulates some fields for each time-step during a coupling
503	! period. At last time-step in a coupling period the fields are transformed to the
504	! grid accepted by the coupler. No sending to the coupler will be done from here
505	! (it is done in cpl_send_seaice_fields).
506	!
507	INCLUDE "indicesol.h"
508	INCLUDE "dimensions.h"
509
510	! Input arguments
511	!*************************************************************************************
512	INTEGER, INTENT(IN) :: itime
513	INTEGER, INTENT(IN) :: knon
514	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
515	REAL, DIMENSION(klon), INTENT(IN) :: swdown, lwdown
516	REAL, DIMENSION(klon), INTENT(IN) :: fluxlat, fluxsens
517	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow
518	REAL, DIMENSION(klon), INTENT(IN) :: evap, tsurf, fder, albsol
519	REAL, DIMENSION(klon), INTENT(IN) :: taux, tauy, windsp
520
521	! Local variables
522	!*************************************************************************************
523	INTEGER :: cpl_index, ig
524	INTEGER :: error, sum_error
525	CHARACTER(len = 25) :: modname = 'cpl_send_ocean_fields'
526	CHARACTER(len = 80) :: abort_message
527
528	!*************************************************************************************
529	! Start calculation
530	! The ocean points are saved with second array index=1
531	!
532	!*************************************************************************************
533	cpl_index = 1
534
535	!*************************************************************************************
536	! Reset fields to zero in the beginning of a new coupling period
537	!
538	!*************************************************************************************
539	IF (MOD(itime, nexca) == 1) THEN
540	cpl_sols(1:knon,cpl_index) = 0.0
541	cpl_nsol(1:knon,cpl_index) = 0.0
542	cpl_rain(1:knon,cpl_index) = 0.0
543	cpl_snow(1:knon,cpl_index) = 0.0
544	cpl_evap(1:knon,cpl_index) = 0.0
545	cpl_tsol(1:knon,cpl_index) = 0.0
546	cpl_fder(1:knon,cpl_index) = 0.0
547	cpl_albe(1:knon,cpl_index) = 0.0
548	cpl_taux(1:knon,cpl_index) = 0.0
549	cpl_tauy(1:knon,cpl_index) = 0.0
550	cpl_windsp(1:knon,cpl_index) = 0.0
551	ENDIF
552
553	!*************************************************************************************
554	! Cumulate at each time-step
555	!
556	!*************************************************************************************
557	DO ig = 1, knon
558	cpl_sols(ig,cpl_index) = cpl_sols(ig,cpl_index) + &
559	swdown(ig) / FLOAT(nexca)
560	cpl_nsol(ig,cpl_index) = cpl_nsol(ig,cpl_index) + &
561	(lwdown(ig) + fluxlat(ig) +fluxsens(ig)) / FLOAT(nexca)
562	cpl_rain(ig,cpl_index) = cpl_rain(ig,cpl_index) + &
563	precip_rain(ig) / FLOAT(nexca)
564	cpl_snow(ig,cpl_index) = cpl_snow(ig,cpl_index) + &
565	precip_snow(ig) / FLOAT(nexca)
566	cpl_evap(ig,cpl_index) = cpl_evap(ig,cpl_index) + &
567	evap(ig) / FLOAT(nexca)
568	cpl_tsol(ig,cpl_index) = cpl_tsol(ig,cpl_index) + &
569	tsurf(ig) / FLOAT(nexca)
570	cpl_fder(ig,cpl_index) = cpl_fder(ig,cpl_index) + &
571	fder(ig) / FLOAT(nexca)
572	cpl_albe(ig,cpl_index) = cpl_albe(ig,cpl_index) + &
573	albsol(ig) / FLOAT(nexca)
574	cpl_taux(ig,cpl_index) = cpl_taux(ig,cpl_index) + &
575	taux(ig) / FLOAT(nexca)
576	cpl_tauy(ig,cpl_index) = cpl_tauy(ig,cpl_index) + &
577	tauy(ig) / FLOAT(nexca)
578	cpl_windsp(ig,cpl_index) = cpl_windsp(ig,cpl_index) + &
579	windsp(ig) / FLOAT(nexca)
580	ENDDO
581
582	!*************************************************************************************
583	! If the time-step corresponds to the end of coupling period the
584	! fields are transformed to the 2D grid.
585	! No sending to the coupler (it is done from cpl_send_seaice_fields).
586	!
587	!*************************************************************************************
588	IF (MOD(itime, nexca) == 0) THEN
589
590	IF (.NOT. ALLOCATED(cpl_sols2D)) THEN
591	sum_error = 0
592	ALLOCATE(cpl_sols2D(iim,jj_nb,2), stat=error)
593	sum_error = sum_error + error
594	ALLOCATE(cpl_nsol2D(iim,jj_nb,2), stat=error)
595	sum_error = sum_error + error
596	ALLOCATE(cpl_rain2D(iim,jj_nb,2), stat=error)
597	sum_error = sum_error + error
598	ALLOCATE(cpl_snow2D(iim,jj_nb,2), stat=error)
599	sum_error = sum_error + error
600	ALLOCATE(cpl_evap2D(iim,jj_nb,2), stat=error)
601	sum_error = sum_error + error
602	ALLOCATE(cpl_tsol2D(iim,jj_nb,2), stat=error)
603	sum_error = sum_error + error
604	ALLOCATE(cpl_fder2D(iim,jj_nb,2), stat=error)
605	sum_error = sum_error + error
606	ALLOCATE(cpl_albe2D(iim,jj_nb,2), stat=error)
607	sum_error = sum_error + error
608	ALLOCATE(cpl_taux2D(iim,jj_nb,2), stat=error)
609	sum_error = sum_error + error
610	ALLOCATE(cpl_tauy2D(iim,jj_nb,2), stat=error)
611	sum_error = sum_error + error
612	ALLOCATE(cpl_windsp2D(iim,jj_nb), stat=error)
613	sum_error = sum_error + error
614
615	IF (sum_error /= 0) THEN
616	abort_message='Pb allocation variables couplees pour l''ecriture'
617	CALL abort_gcm(modname,abort_message,1)
618	ENDIF
619	ENDIF
620
621
622	CALL gath2cpl(cpl_sols(1,cpl_index), cpl_sols2D(1,1,cpl_index), &
623	knon, knindex)
624
625	CALL gath2cpl(cpl_nsol(1,cpl_index), cpl_nsol2D(1,1,cpl_index), &
626	knon, knindex)
627
628	CALL gath2cpl(cpl_rain(1,cpl_index), cpl_rain2D(1,1,cpl_index), &
629	knon, knindex)
630
631	CALL gath2cpl(cpl_snow(1,cpl_index), cpl_snow2D(1,1,cpl_index), &
632	knon, knindex)
633
634	CALL gath2cpl(cpl_evap(1,cpl_index), cpl_evap2D(1,1,cpl_index), &
635	knon, knindex)
636
637	! cpl_tsol2D(:,:,:) not used!
638	CALL gath2cpl(cpl_tsol(1,cpl_index), cpl_tsol2D(1,1, cpl_index), &
639	knon, knindex)
640
641	! cpl_fder2D(:,:,1) not used, only cpl_fder(:,:,2)!
642	CALL gath2cpl(cpl_fder(1,cpl_index), cpl_fder2D(1,1,cpl_index), &
643	knon, knindex)
644
645	! cpl_albe2D(:,:,:) not used!
646	CALL gath2cpl(cpl_albe(1,cpl_index), cpl_albe2D(1,1,cpl_index), &
647	knon, knindex)
648
649	CALL gath2cpl(cpl_taux(1,cpl_index), cpl_taux2D(1,1,cpl_index), &
650	knon, knindex)
651
652	CALL gath2cpl(cpl_tauy(1,cpl_index), cpl_tauy2D(1,1,cpl_index), &
653	knon, knindex)
654
655	CALL gath2cpl(cpl_windsp(1,cpl_index), cpl_windsp2D(1,1), &
656	knon, knindex)
657
658	ENDIF
659
660	END SUBROUTINE cpl_send_ocean_fields
661
662	!
663	!*************************************************************************************
664	!
665
666	SUBROUTINE cpl_send_seaice_fields(itime, dtime, knon, knindex, &
667	pctsrf, lafin, rlon, rlat, &
668	swdown, lwdown, fluxlat, fluxsens, &
669	precip_rain, precip_snow, evap, tsurf, fder, albsol, taux, tauy)
670	!
671	! This subroutine cumulates some fields for each time-step during a coupling
672	! period. At last time-step in a coupling period the fields are transformed to the
673	! grid accepted by the coupler. All fields for all types of surfaces are sent to
674	! the coupler.
675	!
676	INCLUDE "indicesol.h"
677	INCLUDE "dimensions.h"
678
679	! Input arguments
680	!*************************************************************************************
681	INTEGER, INTENT(IN) :: itime
682	INTEGER, INTENT(IN) :: knon
683	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
684	REAL, INTENT(IN) :: dtime
685	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
686	REAL, DIMENSION(klon), INTENT(IN) :: swdown, lwdown
687	REAL, DIMENSION(klon), INTENT(IN) :: fluxlat, fluxsens
688	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow
689	REAL, DIMENSION(klon), INTENT(IN) :: evap, tsurf, fder
690	REAL, DIMENSION(klon), INTENT(IN) :: albsol, taux, tauy
691	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
692	LOGICAL, INTENT(IN) :: lafin
693
694	! Local variables
695	!*************************************************************************************
696	INTEGER :: cpl_index, ig
697	INTEGER :: error, sum_error
698	CHARACTER(len = 25) :: modname = 'cpl_send_seaice_fields'
699	CHARACTER(len = 80) :: abort_message
700
701
702	!*************************************************************************************
703	! Start calulation
704	! The sea-ice points are saved with second array index=2
705	!
706	!*************************************************************************************
707	cpl_index = 2
708
709	!*************************************************************************************
710	! Reset fields to zero in the beginning of a new coupling period
711	!
712	!*************************************************************************************
713	IF (MOD(itime, nexca) == 1) THEN
714	cpl_sols(1:knon,cpl_index) = 0.0
715	cpl_nsol(1:knon,cpl_index) = 0.0
716	cpl_rain(1:knon,cpl_index) = 0.0
717	cpl_snow(1:knon,cpl_index) = 0.0
718	cpl_evap(1:knon,cpl_index) = 0.0
719	cpl_tsol(1:knon,cpl_index) = 0.0
720	cpl_fder(1:knon,cpl_index) = 0.0
721	cpl_albe(1:knon,cpl_index) = 0.0
722	cpl_taux(1:knon,cpl_index) = 0.0
723	cpl_tauy(1:knon,cpl_index) = 0.0
724	ENDIF
725
726	!*************************************************************************************
727	! Cumulate at each time-step
728	!
729	!*************************************************************************************
730	DO ig = 1, knon
731	cpl_sols(ig,cpl_index) = cpl_sols(ig,cpl_index) + &
732	swdown(ig) / FLOAT(nexca)
733	cpl_nsol(ig,cpl_index) = cpl_nsol(ig,cpl_index) + &
734	(lwdown(ig) + fluxlat(ig) +fluxsens(ig)) / FLOAT(nexca)
735	cpl_rain(ig,cpl_index) = cpl_rain(ig,cpl_index) + &
736	precip_rain(ig) / FLOAT(nexca)
737	cpl_snow(ig,cpl_index) = cpl_snow(ig,cpl_index) + &
738	precip_snow(ig) / FLOAT(nexca)
739	cpl_evap(ig,cpl_index) = cpl_evap(ig,cpl_index) + &
740	evap(ig) / FLOAT(nexca)
741	cpl_tsol(ig,cpl_index) = cpl_tsol(ig,cpl_index) + &
742	tsurf(ig) / FLOAT(nexca)
743	cpl_fder(ig,cpl_index) = cpl_fder(ig,cpl_index) + &
744	fder(ig) / FLOAT(nexca)
745	cpl_albe(ig,cpl_index) = cpl_albe(ig,cpl_index) + &
746	albsol(ig) / FLOAT(nexca)
747	cpl_taux(ig,cpl_index) = cpl_taux(ig,cpl_index) + &
748	taux(ig) / FLOAT(nexca)
749	cpl_tauy(ig,cpl_index) = cpl_tauy(ig,cpl_index) + &
750	tauy(ig) / FLOAT(nexca)
751	ENDDO
752
753	!*************************************************************************************
754	! If the time-step corresponds to the end of coupling period the
755	! fields are transformed to the 2D grid and all fields are sent to coupler.
756	!
757	!*************************************************************************************
758	IF (MOD(itime, nexca) == 0) THEN
759	IF (.NOT. ALLOCATED(cpl_sols2D)) THEN
760	sum_error = 0
761	ALLOCATE(cpl_sols2D(iim,jj_nb,2), stat=error)
762	sum_error = sum_error + error
763	ALLOCATE(cpl_nsol2D(iim,jj_nb,2), stat=error)
764	sum_error = sum_error + error
765	ALLOCATE(cpl_rain2D(iim,jj_nb,2), stat=error)
766	sum_error = sum_error + error
767	ALLOCATE(cpl_snow2D(iim,jj_nb,2), stat=error)
768	sum_error = sum_error + error
769	ALLOCATE(cpl_evap2D(iim,jj_nb,2), stat=error)
770	sum_error = sum_error + error
771	ALLOCATE(cpl_tsol2D(iim,jj_nb,2), stat=error)
772	sum_error = sum_error + error
773	ALLOCATE(cpl_fder2D(iim,jj_nb,2), stat=error)
774	sum_error = sum_error + error
775	ALLOCATE(cpl_albe2D(iim,jj_nb,2), stat=error)
776	sum_error = sum_error + error
777	ALLOCATE(cpl_taux2D(iim,jj_nb,2), stat=error)
778	sum_error = sum_error + error
779	ALLOCATE(cpl_tauy2D(iim,jj_nb,2), stat=error)
780	sum_error = sum_error + error
781	ALLOCATE(cpl_windsp2D(iim,jj_nb), stat=error)
782	sum_error = sum_error + error
783
784	IF (sum_error /= 0) THEN
785	abort_message='Pb allocation variables couplees pour l''ecriture'
786	CALL abort_gcm(modname,abort_message,1)
787	ENDIF
788	ENDIF
789
790	CALL gath2cpl(cpl_sols(1,cpl_index), cpl_sols2D(1,1,cpl_index), &
791	knon, knindex)
792
793	CALL gath2cpl(cpl_nsol(1,cpl_index), cpl_nsol2D(1,1,cpl_index), &
794	knon, knindex)
795
796	CALL gath2cpl(cpl_rain(1,cpl_index), cpl_rain2D(1,1,cpl_index), &
797	knon, knindex)
798
799	CALL gath2cpl(cpl_snow(1,cpl_index), cpl_snow2D(1,1,cpl_index), &
800	knon, knindex)
801
802	CALL gath2cpl(cpl_evap(1,cpl_index), cpl_evap2D(1,1,cpl_index), &
803	knon, knindex)
804
805	! cpl_tsol2D(:,:,:) not used!
806	CALL gath2cpl(cpl_tsol(1,cpl_index), cpl_tsol2D(1,1, cpl_index), &
807	knon, knindex)
808
809	CALL gath2cpl(cpl_fder(1,cpl_index), cpl_fder2D(1,1,cpl_index), &
810	knon, knindex)
811
812	! cpl_albe2D(:,:,:) not used!
813	CALL gath2cpl(cpl_albe(1,cpl_index), cpl_albe2D(1,1,cpl_index), &
814	knon, knindex)
815
816	CALL gath2cpl(cpl_taux(1,cpl_index), cpl_taux2D(1,1,cpl_index), &
817	knon, knindex)
818
819	CALL gath2cpl(cpl_tauy(1,cpl_index), cpl_tauy2D(1,1,cpl_index), &
820	knon, knindex)
821
822	! Send all fields
823	CALL cpl_send_all(itime, dtime, pctsrf, lafin, rlon, rlat)
824	ENDIF
825
826	END SUBROUTINE cpl_send_seaice_fields
827
828	!
829	!*************************************************************************************
830	!
831
832	SUBROUTINE cpl_send_land_fields(itime, knon, knindex, rriv_in, rcoa_in)
833	!
834	! This subroutine cumulates some fields for each time-step during a coupling
835	! period. At last time-step in a coupling period the fields are transformed to the
836	! grid accepted by the coupler. No sending to the coupler will be done from here
837	! (it is done in cpl_send_seaice_fields).
838	!
839	INCLUDE "dimensions.h"
840
841	! Input arguments
842	!*************************************************************************************
843	INTEGER, INTENT(IN) :: itime
844	INTEGER, INTENT(IN) :: knon
845	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
846	REAL, DIMENSION(klon), INTENT(IN) :: rriv_in
847	REAL, DIMENSION(klon), INTENT(IN) :: rcoa_in
848
849	! Local variables
850	!*************************************************************************************
851	REAL, DIMENSION(iim,jj_nb) :: rriv2D
852	REAL, DIMENSION(iim,jj_nb) :: rcoa2D
853
854	!*************************************************************************************
855	! Rearrange fields in 2D variables
856	! First initialize to zero to avoid unvalid points causing problems
857	!
858	!*************************************************************************************
859	!$OMP MASTER
860	rriv2D(:,:) = 0.0
861	rcoa2D(:,:) = 0.0
862	!$OMP END MASTER
863	CALL gath2cpl(rriv_in, rriv2D, knon, knindex)
864	CALL gath2cpl(rcoa_in, rcoa2D, knon, knindex)
865
866	!*************************************************************************************
867	! Reset cumulated fields to zero in the beginning of a new coupling period
868	!
869	!*************************************************************************************
870	IF (MOD(itime, nexca) == 1) THEN
871	!$OMP MASTER
872	cpl_rriv2D(:,:) = 0.0
873	cpl_rcoa2D(:,:) = 0.0
874	!$OMP END MASTER
875	ENDIF
876
877	!*************************************************************************************
878	! Cumulate : Following fields should be cumulated at each time-step
879	!
880	!*************************************************************************************
881	!$OMP MASTER
882	cpl_rriv2D(:,:) = cpl_rriv2D(:,:) + rriv2D(:,:) / FLOAT(nexca)
883	cpl_rcoa2D(:,:) = cpl_rcoa2D(:,:) + rcoa2D(:,:) / FLOAT(nexca)
884	!$OMP END MASTER
885
886	END SUBROUTINE cpl_send_land_fields
887
888	!
889	!*************************************************************************************
890	!
891
892	SUBROUTINE cpl_send_landice_fields(itime, knon, knindex, rlic_in)
893	! This subroutine cumulates the field for melting ice for each time-step
894	! during a coupling period. This routine will not send to coupler. Sending
895	! will be done in cpl_send_seaice_fields.
896	!
897	INCLUDE "dimensions.h"
898
899	! Input varibales
900	!*************************************************************************************
901	INTEGER, INTENT(IN) :: itime
902	INTEGER, INTENT(IN) :: knon
903	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
904	REAL, DIMENSION(klon), INTENT(IN) :: rlic_in
905
906	! Local varibales
907	!*************************************************************************************
908	REAL, DIMENSION(iim,jj_nb) :: rlic2D
909
910	!*************************************************************************************
911	! Rearrange field in a 2D variable
912	! First initialize to zero to avoid unvalid points causing problems
913	!
914	!*************************************************************************************
915	!$OMP MASTER
916	rlic2D(:,:) = 0.0
917	!$OMP END MASTER
918	CALL gath2cpl(rlic_in, rlic2D, knon, knindex)
919
920	!*************************************************************************************
921	! Reset field to zero in the beginning of a new coupling period
922	!
923	!*************************************************************************************
924	IF (MOD(itime, nexca) == 1) THEN
925	!$OMP MASTER
926	cpl_rlic2D(:,:) = 0.0
927	!$OMP END MASTER
928	ENDIF
929
930	!*************************************************************************************
931	! Cumulate : Melting ice should be cumulated at each time-step
932	!
933	!*************************************************************************************
934	!$OMP MASTER
935	cpl_rlic2D(:,:) = cpl_rlic2D(:,:) + rlic2D(:,:) / FLOAT(nexca)
936	!$OMP END MASTER
937
938	END SUBROUTINE cpl_send_landice_fields
939
940	!
941	!*************************************************************************************
942	!
943
944	SUBROUTINE cpl_send_all(itime, dtime, pctsrf, lafin, rlon, rlat)
945	! This routine will send fields for all different surfaces to the coupler.
946	! This subroutine should be executed after calculations by the last surface(sea-ice),
947	! all calculations at the different surfaces have to be done before.
948	!
949	USE surface_data
950	! Some includes
951	!*************************************************************************************
952	INCLUDE "indicesol.h"
953	INCLUDE "temps.h"
954	INCLUDE "dimensions.h"
955
956	! Input arguments
957	!*************************************************************************************
958	INTEGER, INTENT(IN) :: itime
959	REAL, INTENT(IN) :: dtime
960	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
961	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
962	LOGICAL, INTENT(IN) :: lafin
963
964	! Local variables
965	!*************************************************************************************
966	INTEGER :: error, sum_error, j
967	INTEGER :: itau_w
968	INTEGER :: time_sec
969	INTEGER, DIMENSION(iim*(jjm+1)) :: ndexct
970	REAL :: Up, Down
971	REAL, DIMENSION(iim, jj_nb) :: tmp_lon, tmp_lat
972	REAL, DIMENSION(iim, jj_nb, 4) :: pctsrf2D
973	REAL, DIMENSION(iim, jj_nb) :: deno
974	CHARACTER(len = 20) :: modname = 'cpl_send_all'
975	CHARACTER(len = 80) :: abort_message
976
977	! Variables with fields to coupler
978	REAL, DIMENSION(iim, jj_nb) :: tmp_taux
979	REAL, DIMENSION(iim, jj_nb) :: tmp_tauy
980	REAL, DIMENSION(iim, jj_nb) :: tmp_calv
981	! Table with all fields to send to coupler
982	REAL, DIMENSION(iim, jj_nb, jpflda2o1+jpflda2o2) :: tab_flds
983	REAL, DIMENSION(klon_mpi) :: rlon_mpi, rlat_mpi
984
985	#ifdef CPP_MPI
986	INCLUDE 'mpif.h'
987	INTEGER, DIMENSION(MPI_STATUS_SIZE) :: status
988	#endif
989
990	! End definitions
991	!*************************************************************************************
992
993
994
995	!*************************************************************************************
996	! All fields are stored in a table tab_flds(:,:,:)
997	! First store the fields 7 to 18 which are already on the right format
998	!
999	!*************************************************************************************
1000	!$OMP MASTER
1001	IF (version_ocean=='nemo') THEN
1002	tab_flds(:,:,7) = cpl_windsp2D(:,:)
1003	tab_flds(:,:,14) = cpl_sols2D(:,:,2)
1004	tab_flds(:,:,12) = cpl_sols2D(:,:,1)
1005	tab_flds(:,:,15) = cpl_nsol2D(:,:,2)
1006	tab_flds(:,:,13) = cpl_nsol2D(:,:,1)
1007	tab_flds(:,:,16) = cpl_fder2D(:,:,2)
1008	tab_flds(:,:,11) = cpl_evap2D(:,:,2)
1009	tab_flds(:,:,18) = cpl_rriv2D(:,:)
1010	tab_flds(:,:,19) = cpl_rcoa2D(:,:)
1011	ELSE IF (version_ocean=='opa8') THEN
1012	tab_flds(:,:,7) = cpl_windsp2D(:,:)
1013	tab_flds(:,:,8) = cpl_sols2D(:,:,2)
1014	tab_flds(:,:,9) = cpl_sols2D(:,:,1)
1015	tab_flds(:,:,10) = cpl_nsol2D(:,:,2)
1016	tab_flds(:,:,11) = cpl_nsol2D(:,:,1)
1017	tab_flds(:,:,12) = cpl_fder2D(:,:,2)
1018	tab_flds(:,:,13) = cpl_evap2D(:,:,2)
1019	tab_flds(:,:,14) = cpl_evap2D(:,:,1)
1020	tab_flds(:,:,17) = cpl_rcoa2D(:,:)
1021	tab_flds(:,:,18) = cpl_rriv2D(:,:)
1022	END IF
1023
1024	!*************************************************************************************
1025	! Transform the fraction of sub-surfaces from 1D to 2D array
1026	!
1027	!*************************************************************************************
1028	pctsrf2D(:,:,:) = 0.
1029	!$OMP END MASTER
1030	CALL gath2cpl(pctsrf(:,is_oce), pctsrf2D(:,:,is_oce), klon, unity)
1031	CALL gath2cpl(pctsrf(:,is_sic), pctsrf2D(:,:,is_sic), klon, unity)
1032	CALL gath2cpl(pctsrf(:,is_lic), pctsrf2D(:,:,is_lic), klon, unity)
1033
1034	!*************************************************************************************
1035	! Calculate the average calving per latitude
1036	! Store calving in tab_flds(:,:,19)
1037	!
1038	!*************************************************************************************
1039	IF (is_omp_root) THEN
1040
1041	DO j = 1, jj_nb
1042	tmp_calv(:,j) = DOT_PRODUCT (cpl_rlic2D(1:iim,j), &
1043	pctsrf2D(1:iim,j,is_lic)) / REAL(iim)
1044	ENDDO
1045
1046
1047	IF (is_parallel) THEN
1048	IF (.NOT. is_north_pole) THEN
1049	#ifdef CPP_MPI
1050	CALL MPI_RECV(Up,1,MPI_REAL_LMDZ,mpi_rank-1,1234,COMM_LMDZ_PHY,status,error)
1051	CALL MPI_SEND(tmp_calv(1,1),1,MPI_REAL_LMDZ,mpi_rank-1,1234,COMM_LMDZ_PHY,error)
1052	#endif
1053	ENDIF
1054
1055	IF (.NOT. is_south_pole) THEN
1056	#ifdef CPP_MPI
1057	CALL MPI_SEND(tmp_calv(1,jj_nb),1,MPI_REAL_LMDZ,mpi_rank+1,1234,COMM_LMDZ_PHY,error)
1058	CALL MPI_RECV(down,1,MPI_REAL_LMDZ,mpi_rank+1,1234,COMM_LMDZ_PHY,status,error)
1059	#endif
1060	ENDIF
1061
1062	IF (.NOT. is_north_pole .AND. ii_begin /=1) THEN
1063	Up=Up+tmp_calv(iim,1)
1064	tmp_calv(:,1)=Up
1065	ENDIF
1066
1067	IF (.NOT. is_south_pole .AND. ii_end /= iim) THEN
1068	Down=Down+tmp_calv(1,jj_nb)
1069	tmp_calv(:,jj_nb)=Down
1070	ENDIF
1071	ENDIF
1072
1073	IF (version_ocean=='nemo') THEN
1074	tab_flds(:,:,17) = tmp_calv(:,:)
1075	ELSE IF (version_ocean=='opa8') THEN
1076	tab_flds(:,:,19) = tmp_calv(:,:)
1077	END IF
1078
1079	!*************************************************************************************
1080	! Calculate total flux for snow, rain and wind with weighted addition using the
1081	! fractions of ocean and seaice.
1082	!
1083	! Store the fields for rain and snow directly in tab_flds(:,:,15) and
1084	! tab_flds(:,:,16) respectively.
1085	!
1086	!*************************************************************************************
1087	! fraction oce+seaice
1088	deno = pctsrf2D(:,:,is_oce) + pctsrf2D(:,:,is_sic)
1089
1090	IF (version_ocean=='nemo') THEN
1091	tab_flds(:,:,10) = 0.0
1092	tmp_taux(:,:) = 0.0
1093	tmp_tauy(:,:) = 0.0
1094	! For all valid grid cells containing some fraction of ocean or sea-ice
1095	WHERE ( deno(:,:) /= 0 )
1096	tab_flds(:,:,10) = cpl_snow2D(:,:,1) * pctsrf2D(:,:,is_oce) / deno(:,:) + &
1097	cpl_snow2D(:,:,2) * pctsrf2D(:,:,is_sic) / deno(:,:)
1098
1099	tmp_taux = cpl_taux2D(:,:,1) * pctsrf2D(:,:,is_oce) / deno(:,:) + &
1100	cpl_taux2D(:,:,2) * pctsrf2D(:,:,is_sic) / deno(:,:)
1101	tmp_tauy = cpl_tauy2D(:,:,1) * pctsrf2D(:,:,is_oce) / deno(:,:) + &
1102	cpl_tauy2D(:,:,2) * pctsrf2D(:,:,is_sic) / deno(:,:)
1103	ENDWHERE
1104	tab_flds(:,:,8) = (cpl_evap2D(:,:,1) - ( cpl_rain2D(:,:,1) + cpl_snow2D(:,:,1)))
1105	tab_flds(:,:,9) = (cpl_evap2D(:,:,2) - ( cpl_rain2D(:,:,2) + cpl_snow2D(:,:,2)))
1106
1107	ELSE IF (version_ocean=='opa8') THEN
1108	tab_flds(:,:,15) = 0.0
1109	tab_flds(:,:,16) = 0.0
1110	tmp_taux(:,:) = 0.0
1111	tmp_tauy(:,:) = 0.0
1112	! For all valid grid cells containing some fraction of ocean or sea-ice
1113	WHERE ( deno(:,:) /= 0 )
1114	tab_flds(:,:,15) = cpl_rain2D(:,:,1) * pctsrf2D(:,:,is_oce) / deno(:,:) + &
1115	cpl_rain2D(:,:,2) * pctsrf2D(:,:,is_sic) / deno(:,:)
1116	tab_flds(:,:,16) = cpl_snow2D(:,:,1) * pctsrf2D(:,:,is_oce) / deno(:,:) + &
1117	cpl_snow2D(:,:,2) * pctsrf2D(:,:,is_sic) / deno(:,:)
1118
1119	tmp_taux = cpl_taux2D(:,:,1) * pctsrf2D(:,:,is_oce) / deno(:,:) + &
1120	cpl_taux2D(:,:,2) * pctsrf2D(:,:,is_sic) / deno(:,:)
1121	tmp_tauy = cpl_tauy2D(:,:,1) * pctsrf2D(:,:,is_oce) / deno(:,:) + &
1122	cpl_tauy2D(:,:,2) * pctsrf2D(:,:,is_sic) / deno(:,:)
1123	ENDWHERE
1124	END IF
1125
1126	ENDIF ! is_omp_root
1127
1128	!*************************************************************************************
1129	! Transform the wind components from local atmospheric 2D coordinates to geocentric
1130	! 3D coordinates.
1131	! Store the resulting wind components in tab_flds(:,:,1:6)
1132	!*************************************************************************************
1133
1134	! Transform the longitudes and latitudes on 2D arrays
1135
1136	CALL gather_omp(rlon,rlon_mpi)
1137	CALL gather_omp(rlat,rlat_mpi)
1138	!$OMP MASTER
1139	CALL Grid1DTo2D_mpi(rlon_mpi,tmp_lon)
1140	CALL Grid1DTo2D_mpi(rlat_mpi,tmp_lat)
1141	!$OMP END MASTER
1142
1143	IF (is_sequential) THEN
1144	IF (is_north_pole) tmp_lon(:,1) = tmp_lon(:,2)
1145	IF (is_south_pole) tmp_lon(:,jjm+1) = tmp_lon(:,jjm)
1146	ENDIF
1147
1148	! NetCDF output of the wind before transformation of coordinate system
1149	IF (is_sequential) THEN
1150	ndexct(:) = 0
1151	itau_w = itau_phy + itime
1152	CALL histwrite(nidct,'tauxe',itau_w,tmp_taux,iim*(jjm+1),ndexct)
1153	CALL histwrite(nidct,'tauyn',itau_w,tmp_tauy,iim*(jjm+1),ndexct)
1154	CALL histwrite(nidct,'tmp_lon',itau_w,tmp_lon,iim*(jjm+1),ndexct)
1155	CALL histwrite(nidct,'tmp_lat',itau_w,tmp_lat,iim*(jjm+1),ndexct)
1156	ENDIF
1157
1158	! Transform the wind from spherical atmospheric 2D coordinates to geocentric
1159	! cartesian 3D coordinates
1160	!$OMP MASTER
1161	CALL atm2geo (iim, jj_nb, tmp_taux, tmp_tauy, tmp_lon, tmp_lat, &
1162	tab_flds(:,:,1), tab_flds(:,:,2), tab_flds(:,:,3) )
1163
1164	tab_flds(:,:,4) = tab_flds(:,:,1)
1165	tab_flds(:,:,5) = tab_flds(:,:,2)
1166	tab_flds(:,:,6) = tab_flds(:,:,3)
1167	!$OMP END MASTER
1168
1169	!*************************************************************************************
1170	! NetCDF output of all fields just before sending to coupler.
1171	!
1172	!*************************************************************************************
1173	IF (is_sequential) THEN
1174	CALL histwrite(nidct,cl_writ(8), itau_w,tab_flds(:,:,8), iim*(jjm+1),ndexct)
1175	CALL histwrite(nidct,cl_writ(9), itau_w,tab_flds(:,:,9), iim*(jjm+1),ndexct)
1176	CALL histwrite(nidct,cl_writ(10),itau_w,tab_flds(:,:,10),iim*(jjm+1),ndexct)
1177	CALL histwrite(nidct,cl_writ(11),itau_w,tab_flds(:,:,11),iim*(jjm+1),ndexct)
1178	CALL histwrite(nidct,cl_writ(12),itau_w,tab_flds(:,:,12),iim*(jjm+1),ndexct)
1179	CALL histwrite(nidct,cl_writ(13),itau_w,tab_flds(:,:,13),iim*(jjm+1),ndexct)
1180	CALL histwrite(nidct,cl_writ(14),itau_w,tab_flds(:,:,14),iim*(jjm+1),ndexct)
1181	CALL histwrite(nidct,cl_writ(15),itau_w,tab_flds(:,:,15),iim*(jjm+1),ndexct)
1182	CALL histwrite(nidct,cl_writ(16),itau_w,tab_flds(:,:,16),iim*(jjm+1),ndexct)
1183	CALL histwrite(nidct,cl_writ(17),itau_w,tab_flds(:,:,17),iim*(jjm+1),ndexct)
1184	CALL histwrite(nidct,cl_writ(18),itau_w,tab_flds(:,:,18),iim*(jjm+1),ndexct)
1185	CALL histwrite(nidct,cl_writ(19),itau_w,tab_flds(:,:,19),iim*(jjm+1),ndexct)
1186	CALL histwrite(nidct,cl_writ(1), itau_w,tab_flds(:,:,1), iim*(jjm+1),ndexct)
1187	CALL histwrite(nidct,cl_writ(2), itau_w,tab_flds(:,:,2), iim*(jjm+1),ndexct)
1188	CALL histwrite(nidct,cl_writ(3), itau_w,tab_flds(:,:,3), iim*(jjm+1),ndexct)
1189	CALL histwrite(nidct,cl_writ(4), itau_w,tab_flds(:,:,4), iim*(jjm+1),ndexct)
1190	CALL histwrite(nidct,cl_writ(5), itau_w,tab_flds(:,:,5), iim*(jjm+1),ndexct)
1191	CALL histwrite(nidct,cl_writ(6), itau_w,tab_flds(:,:,6), iim*(jjm+1),ndexct)
1192	CALL histwrite(nidct,cl_writ(7), itau_w,tab_flds(:,:,7), iim*(jjm+1),ndexct)
1193	CALL histsync(nidct)
1194	ENDIF
1195
1196
1197	!*************************************************************************************
1198	! Send the table of all fields
1199	!
1200	!*************************************************************************************
1201	time_sec=(itime-1)*dtime
1202	#ifdef CPP_COUPLE
1203	!$OMP MASTER
1204	CALL intocpl(time_sec, lafin, tab_flds(:,:,:))
1205	!$OMP END MASTER
1206	#endif
1207
1208	!*************************************************************************************
1209	! Finish with some dellocate
1210	!
1211	!*************************************************************************************
1212	sum_error=0
1213	DEALLOCATE(cpl_sols2D, cpl_nsol2D, cpl_rain2D, cpl_snow2D, stat=error )
1214	sum_error = sum_error + error
1215	DEALLOCATE(cpl_evap2D, cpl_tsol2D, cpl_fder2D, cpl_albe2D, stat=error )
1216	sum_error = sum_error + error
1217	DEALLOCATE(cpl_taux2D, cpl_tauy2D, cpl_windsp2D, stat=error )
1218	sum_error = sum_error + error
1219	IF (sum_error /= 0) THEN
1220	abort_message='Pb in deallocation of cpl_xxxx2D coupling variables'
1221	CALL abort_gcm(modname,abort_message,1)
1222	ENDIF
1223
1224	END SUBROUTINE cpl_send_all
1225	!
1226	!*************************************************************************************
1227	!
1228	SUBROUTINE cpl2gath(champ_in, champ_out, knon, knindex)
1229	USE mod_phys_lmdz_para
1230	! Cette routine ecrit un champ 'gathered' sur la grille 2D pour le passer
1231	! au coupleur.
1232	!
1233	!
1234	! input:
1235	! champ_in champ sur la grille gathere
1236	! knon nombre de points dans le domaine a traiter
1237	! knindex index des points de la surface a traiter
1238	!
1239	! output:
1240	! champ_out champ sur la grille 2D
1241	!
1242	INCLUDE "dimensions.h"
1243
1244	! Input
1245	INTEGER, INTENT(IN) :: knon
1246	REAL, DIMENSION(iim,jj_nb), INTENT(IN) :: champ_in
1247	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
1248
1249	! Output
1250	REAL, DIMENSION(klon_mpi), INTENT(OUT) :: champ_out
1251
1252	! Local
1253	INTEGER :: i, ig
1254	REAL, DIMENSION(klon_mpi) :: temp_mpi
1255	REAL, DIMENSION(klon) :: temp_omp
1256
1257	!*************************************************************************************
1258	!
1259
1260
1261	! Transform from 2 dimensions (iim,jj_nb) to 1 dimension (klon)
1262	!$OMP MASTER
1263	CALL Grid2Dto1D_mpi(champ_in,temp_mpi)
1264	!$OMP END MASTER
1265
1266	CALL scatter_omp(temp_mpi,temp_omp)
1267
1268	! Compress from klon to knon
1269	DO i = 1, knon
1270	ig = knindex(i)
1271	champ_out(i) = temp_omp(ig)
1272	ENDDO
1273
1274	END SUBROUTINE cpl2gath
1275	!
1276	!*************************************************************************************
1277	!
1278	SUBROUTINE gath2cpl(champ_in, champ_out, knon, knindex)
1279	USE mod_phys_lmdz_para
1280	! Cette routine ecrit un champ 'gathered' sur la grille 2D pour le passer
1281	! au coupleur.
1282	!
1283	! input:
1284	! champ_in champ sur la grille gathere
1285	! knon nombre de points dans le domaine a traiter
1286	! knindex index des points de la surface a traiter
1287	!
1288	! output:
1289	! champ_out champ sur la grille 2D
1290	!
1291	INCLUDE "dimensions.h"
1292
1293	! Input arguments
1294	!*************************************************************************************
1295	INTEGER, INTENT(IN) :: knon
1296	REAL, DIMENSION(klon), INTENT(IN) :: champ_in
1297	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
1298
1299	! Output arguments
1300	!*************************************************************************************
1301	REAL, DIMENSION(iim,jj_nb), INTENT(OUT) :: champ_out
1302
1303	! Local variables
1304	!*************************************************************************************
1305	INTEGER :: i, ig
1306	REAL, DIMENSION(klon) :: temp_omp
1307	REAL, DIMENSION(klon_mpi) :: temp_mpi
1308	!*************************************************************************************
1309
1310	! Decompress from knon to klon
1311	temp_omp = 0.
1312	DO i = 1, knon
1313	ig = knindex(i)
1314	temp_omp(ig) = champ_in(i)
1315	ENDDO
1316
1317	! Transform from 1 dimension (klon) to 2 dimensions (iim,jj_nb)
1318	CALL gather_omp(temp_omp,temp_mpi)
1319
1320	!$OMP MASTER
1321	CALL Grid1Dto2D_mpi(temp_mpi,champ_out)
1322
1323	IF (is_north_pole) champ_out(:,1)=temp_mpi(1)
1324	IF (is_south_pole) champ_out(:,jj_nb)=temp_mpi(klon)
1325	!$OMP END MASTER
1326
1327	END SUBROUTINE gath2cpl
1328	!
1329	!*************************************************************************************
1330	!
1331	END MODULE cpl_mod
1332

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