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surf_land_orchidee_noz0h_mod.F90 @ 5408

Last change on this file since 5408 was 5305, checked in by abarral, 7 weeks ago
Turn YOMCST2.h.h into module
Property copyright set to Name of program: LMDZ Creation date: 1984 Version: LMDZ5 License: CeCILL version 2 Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539 See the license file in the root directory Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 23.3 KB

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1	!
2	MODULE surf_land_orchidee_noz0h_mod
3	#ifdef ORCHIDEE_NOZ0H
4	!
5	! This module controles the interface towards the model ORCHIDEE.
6	!
7	! Compatibility with ORCHIDIEE :
8	! This module is compiled only if CPP key ORCHIDEE_NOZ0H is defined.
9	! This version can be used with ORCHIDEE/trunk revision 2961-3525.
10	! It is possible to use this interface with later versions of ORCHIDEE/trunk than 3525 but
11	! in that case the option ROUGH_DYN=y in ORCHIDEE should not be set.
12	! This interface can also be used with ORCHIDEE/trunk revision 1078-2960 if changing
13	! coszang=yrmu0 into sinang=yrmu0 at 2 places later below in this module.
14	!
15	! Subroutines in this module : surf_land_orchidee
16	! Init_orchidee_index
17	! Get_orchidee_communicator
18	! Init_neighbours
19
20	USE dimphy
21	#ifdef CPP_VEGET
22	USE intersurf ! module d'ORCHIDEE
23	#endif
24	USE cpl_mod, ONLY : cpl_send_land_fields
25	USE surface_data, ONLY : type_ocean
26	USE geometry_mod, ONLY : dx, dy
27	USE mod_grid_phy_lmdz
28	USE mod_phys_lmdz_para, mpi_root_rank=>mpi_master
29
30	IMPLICIT NONE
31
32	PRIVATE
33	PUBLIC :: surf_land_orchidee
34
35	CONTAINS
36	!
37	!****************************************************************************************
38	!
39	SUBROUTINE surf_land_orchidee(itime, dtime, date0, knon, &
40	knindex, rlon, rlat, yrmu0, pctsrf, &
41	debut, lafin, &
42	plev, u1_lay, v1_lay, gustiness, temp_air, spechum, epot_air, ccanopy, &
43	tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, &
44	precip_rain, precip_snow, lwdown, swnet, swdown, &
45	ps, q2m, t2m, &
46	evap, fluxsens, fluxlat, &
47	tsol_rad, tsurf_new, alb1_new, alb2_new, &
48	emis_new, z0_new, z0h_new, qsurf, &
49	veget, lai, height)
50
51	USE mod_surf_para
52	USE mod_synchro_omp
53	USE carbon_cycle_mod, ONLY : carbon_cycle_cpl
54	USE indice_sol_mod
55	USE print_control_mod, ONLY: lunout
56	USE mod_grid_phy_lmdz, ONLY: nbp_lon, nbp_lat
57	#ifdef CPP_VEGET
58	USE time_phylmdz_mod, ONLY: itau_phy
59	#endif
60	USE yomcst_mod_h
61	USE compbl_mod_h
62	USE dimpft_mod_h
63	!
64	! Cette routine sert d'interface entre le modele atmospherique et le
65	! modele de sol continental. Appel a sechiba
66	!
67	! L. Fairhead 02/2000
68	!
69	! input:
70	! itime numero du pas de temps
71	! dtime pas de temps de la physique (en s)
72	! nisurf index de la surface a traiter (1 = sol continental)
73	! knon nombre de points de la surface a traiter
74	! knindex index des points de la surface a traiter
75	! rlon longitudes de la grille entiere
76	! rlat latitudes de la grille entiere
77	! pctsrf tableau des fractions de surface de chaque maille
78	! debut logical: 1er appel a la physique (lire les restart)
79	! lafin logical: dernier appel a la physique (ecrire les restart)
80	! (si false calcul simplifie des fluxs sur les continents)
81	! plev hauteur de la premiere couche (Pa)
82	! u1_lay vitesse u 1ere couche
83	! v1_lay vitesse v 1ere couche
84	! temp_air temperature de l'air 1ere couche
85	! spechum humidite specifique 1ere couche
86	! epot_air temp pot de l'air
87	! ccanopy concentration CO2 canopee, correspond au co2_send de
88	! carbon_cycle_mod ou valeur constant co2_ppm
89	! tq_cdrag cdrag
90	! petAcoef coeff. A de la resolution de la CL pour t
91	! peqAcoef coeff. A de la resolution de la CL pour q
92	! petBcoef coeff. B de la resolution de la CL pour t
93	! peqBcoef coeff. B de la resolution de la CL pour q
94	! precip_rain precipitation liquide
95	! precip_snow precipitation solide
96	! lwdown flux IR descendant a la surface
97	! swnet flux solaire net
98	! swdown flux solaire entrant a la surface
99	! ps pression au sol
100	! radsol rayonnement net aus sol (LW + SW)
101	!
102	!
103	! output:
104	! evap evaporation totale
105	! fluxsens flux de chaleur sensible
106	! fluxlat flux de chaleur latente
107	! tsol_rad
108	! tsurf_new temperature au sol
109	! alb1_new albedo in visible SW interval
110	! alb2_new albedo in near IR interval
111	! emis_new emissivite
112	! z0_new surface roughness
113	! z0h_new surface roughness, it is a copy from z0_new
114	! qsurf air moisture at surface
115	!
116	!
117	! Parametres d'entree
118	!****************************************************************************************
119	INTEGER, INTENT(IN) :: itime
120	REAL, INTENT(IN) :: dtime
121	REAL, INTENT(IN) :: date0
122	INTEGER, INTENT(IN) :: knon
123	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
124	LOGICAL, INTENT(IN) :: debut, lafin
125	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
126	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
127	REAL, DIMENSION(klon), INTENT(IN) :: yrmu0 ! cosine of solar zenith angle
128	REAL, DIMENSION(klon), INTENT(IN) :: plev
129	REAL, DIMENSION(klon), INTENT(IN) :: u1_lay, v1_lay, gustiness
130	REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum
131	REAL, DIMENSION(klon), INTENT(IN) :: epot_air, ccanopy
132	REAL, DIMENSION(klon), INTENT(IN) :: tq_cdrag
133	REAL, DIMENSION(klon), INTENT(IN) :: petAcoef, peqAcoef
134	REAL, DIMENSION(klon), INTENT(IN) :: petBcoef, peqBcoef
135	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow
136	REAL, DIMENSION(klon), INTENT(IN) :: lwdown, swnet, swdown, ps
137	REAL, DIMENSION(klon), INTENT(IN) :: q2m, t2m
138
139	! Parametres de sortie
140	!****************************************************************************************
141	REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat, qsurf
142	REAL, DIMENSION(klon), INTENT(OUT) :: tsol_rad, tsurf_new
143	REAL, DIMENSION(klon), INTENT(OUT) :: alb1_new, alb2_new
144	REAL, DIMENSION(klon), INTENT(OUT) :: emis_new, z0_new, z0h_new
145	REAL, DIMENSION(klon,nvm_lmdz), INTENT(OUT) :: veget ! dummy variables
146	REAL, DIMENSION(klon,nvm_lmdz), INTENT(OUT) :: lai ! dummy variables
147	REAL, DIMENSION(klon,nvm_lmdz), INTENT(OUT) :: height! dummy variables
148
149	! Local
150	!****************************************************************************************
151	INTEGER :: ij, jj, igrid, ireal, index
152	INTEGER :: error
153	REAL, DIMENSION(klon) :: swdown_vrai
154	CHARACTER (len = 20) :: modname = 'surf_land_orchidee'
155	CHARACTER (len = 80) :: abort_message
156	LOGICAL,SAVE :: check = .FALSE.
157	!$OMP THREADPRIVATE(check)
158
159	! type de couplage dans sechiba
160	! character (len=10) :: coupling = 'implicit'
161	! drapeaux controlant les appels dans SECHIBA
162	! type(control_type), save :: control_in
163	! Preserved albedo
164	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: albedo_keep, zlev
165	!$OMP THREADPRIVATE(albedo_keep,zlev)
166	! coordonnees geographiques
167	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: lalo
168	!$OMP THREADPRIVATE(lalo)
169	! pts voisins
170	INTEGER,ALLOCATABLE, DIMENSION(:,:), SAVE :: neighbours
171	!$OMP THREADPRIVATE(neighbours)
172	! fractions continents
173	REAL,ALLOCATABLE, DIMENSION(:), SAVE :: contfrac
174	!$OMP THREADPRIVATE(contfrac)
175	! resolution de la grille
176	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: resolution
177	!$OMP THREADPRIVATE(resolution)
178
179	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: lon_scat, lat_scat
180	!$OMP THREADPRIVATE(lon_scat,lat_scat)
181
182	LOGICAL, SAVE :: lrestart_read = .TRUE.
183	!$OMP THREADPRIVATE(lrestart_read)
184	LOGICAL, SAVE :: lrestart_write = .FALSE.
185	!$OMP THREADPRIVATE(lrestart_write)
186
187	REAL, DIMENSION(knon,2) :: albedo_out
188
189	! Pb de nomenclature
190	REAL, DIMENSION(klon) :: petA_orc, peqA_orc
191	REAL, DIMENSION(klon) :: petB_orc, peqB_orc
192	! Pb de correspondances de grilles
193	INTEGER, DIMENSION(:), SAVE, ALLOCATABLE :: ig, jg
194	!$OMP THREADPRIVATE(ig,jg)
195	INTEGER :: indi, indj
196	INTEGER, SAVE, ALLOCATABLE,DIMENSION(:) :: ktindex
197	!$OMP THREADPRIVATE(ktindex)
198
199	! Essai cdrag
200	REAL, DIMENSION(klon) :: cdrag
201	INTEGER,SAVE :: offset
202	!$OMP THREADPRIVATE(offset)
203
204	REAL, DIMENSION(klon_glo) :: rlon_g,rlat_g
205	INTEGER, SAVE :: orch_comm
206	!$OMP THREADPRIVATE(orch_comm)
207
208	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: coastalflow
209	!$OMP THREADPRIVATE(coastalflow)
210	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: riverflow
211	!$OMP THREADPRIVATE(riverflow)
212
213	INTEGER :: orch_omp_rank
214	INTEGER :: orch_omp_size
215	!
216	! Fin definition
217	!****************************************************************************************
218
219	IF (check) WRITE(lunout,*)'Entree ', modname
220
221	IF (ifl_pbltree == 1) THEN
222	abort_message='Pb de coherence: cette interface vers ORCHIDEE ne peut pas etre utilise avec ifl_pbltree'
223	CALL abort_physic(modname,abort_message,1)
224	END IF
225
226	! Initialisation
227
228	IF (debut) THEN
229	! Test of coherence between variable ok_veget and cpp key CPP_VEGET
230	#ifndef CPP_VEGET
231	abort_message='Pb de coherence: ok_veget = .true. mais CPP_VEGET = .false.'
232	CALL abort_physic(modname,abort_message,1)
233	#endif
234
235	CALL Init_surf_para(knon)
236	ALLOCATE(ktindex(knon))
237	IF ( .NOT. ALLOCATED(albedo_keep)) THEN
238	!ym ALLOCATE(albedo_keep(klon))
239	!ym bizarre que non allou� en knon precedement
240	ALLOCATE(albedo_keep(knon))
241	ALLOCATE(zlev(knon))
242	ENDIF
243	! Pb de correspondances de grilles
244	ALLOCATE(ig(klon))
245	ALLOCATE(jg(klon))
246	ig(1) = 1
247	jg(1) = 1
248	indi = 0
249	indj = 2
250	DO igrid = 2, klon - 1
251	indi = indi + 1
252	IF ( indi > nbp_lon) THEN
253	indi = 1
254	indj = indj + 1
255	ENDIF
256	ig(igrid) = indi
257	jg(igrid) = indj
258	ENDDO
259	ig(klon) = 1
260	jg(klon) = nbp_lat
261
262	IF ((.NOT. ALLOCATED(lalo))) THEN
263	ALLOCATE(lalo(knon,2), stat = error)
264	IF (error /= 0) THEN
265	abort_message='Pb allocation lalo'
266	CALL abort_physic(modname,abort_message,1)
267	ENDIF
268	ENDIF
269	IF ((.NOT. ALLOCATED(lon_scat))) THEN
270	ALLOCATE(lon_scat(nbp_lon,nbp_lat), stat = error)
271	IF (error /= 0) THEN
272	abort_message='Pb allocation lon_scat'
273	CALL abort_physic(modname,abort_message,1)
274	ENDIF
275	ENDIF
276	IF ((.NOT. ALLOCATED(lat_scat))) THEN
277	ALLOCATE(lat_scat(nbp_lon,nbp_lat), stat = error)
278	IF (error /= 0) THEN
279	abort_message='Pb allocation lat_scat'
280	CALL abort_physic(modname,abort_message,1)
281	ENDIF
282	ENDIF
283	lon_scat = 0.
284	lat_scat = 0.
285	DO igrid = 1, knon
286	index = knindex(igrid)
287	lalo(igrid,2) = rlon(index)
288	lalo(igrid,1) = rlat(index)
289	ENDDO
290
291
292
293	CALL Gather(rlon,rlon_g)
294	CALL Gather(rlat,rlat_g)
295
296	IF (is_mpi_root) THEN
297	index = 1
298	DO jj = 2, nbp_lat-1
299	DO ij = 1, nbp_lon
300	index = index + 1
301	lon_scat(ij,jj) = rlon_g(index)
302	lat_scat(ij,jj) = rlat_g(index)
303	ENDDO
304	ENDDO
305	lon_scat(:,1) = lon_scat(:,2)
306	lat_scat(:,1) = rlat_g(1)
307	lon_scat(:,nbp_lat) = lon_scat(:,2)
308	lat_scat(:,nbp_lat) = rlat_g(klon_glo)
309	ENDIF
310
311	CALL bcast(lon_scat)
312	CALL bcast(lat_scat)
313	!
314	! Allouer et initialiser le tableau des voisins et des fraction de continents
315	!
316	IF ( (.NOT.ALLOCATED(neighbours))) THEN
317	ALLOCATE(neighbours(knon,8), stat = error)
318	IF (error /= 0) THEN
319	abort_message='Pb allocation neighbours'
320	CALL abort_physic(modname,abort_message,1)
321	ENDIF
322	ENDIF
323	neighbours = -1.
324	IF (( .NOT. ALLOCATED(contfrac))) THEN
325	ALLOCATE(contfrac(knon), stat = error)
326	IF (error /= 0) THEN
327	abort_message='Pb allocation contfrac'
328	CALL abort_physic(modname,abort_message,1)
329	ENDIF
330	ENDIF
331
332	DO igrid = 1, knon
333	ireal = knindex(igrid)
334	contfrac(igrid) = pctsrf(ireal,is_ter)
335	ENDDO
336
337
338	CALL Init_neighbours(knon,neighbours,knindex,pctsrf(:,is_ter))
339
340	!
341	! Allocation et calcul resolutions
342	IF ( (.NOT.ALLOCATED(resolution))) THEN
343	ALLOCATE(resolution(knon,2), stat = error)
344	IF (error /= 0) THEN
345	abort_message='Pb allocation resolution'
346	CALL abort_physic(modname,abort_message,1)
347	ENDIF
348	ENDIF
349	DO igrid = 1, knon
350	ij = knindex(igrid)
351	resolution(igrid,1) = dx(ij)
352	resolution(igrid,2) = dy(ij)
353	ENDDO
354
355	ALLOCATE(coastalflow(klon), stat = error)
356	IF (error /= 0) THEN
357	abort_message='Pb allocation coastalflow'
358	CALL abort_physic(modname,abort_message,1)
359	ENDIF
360
361	ALLOCATE(riverflow(klon), stat = error)
362	IF (error /= 0) THEN
363	abort_message='Pb allocation riverflow'
364	CALL abort_physic(modname,abort_message,1)
365	ENDIF
366	!
367	! carbon_cycle_cpl not possible with this interface and version of ORHCHIDEE
368	!
369	IF (carbon_cycle_cpl) THEN
370	abort_message='carbon_cycle_cpl not yet possible with this interface of ORCHIDEE'
371	CALL abort_physic(modname,abort_message,1)
372	END IF
373
374	ENDIF ! (fin debut)
375
376
377	!
378	! Appel a la routine sols continentaux
379	!
380	IF (lafin) lrestart_write = .TRUE.
381	IF (check) WRITE(lunout,*)'lafin ',lafin,lrestart_write
382
383	petA_orc(1:knon) = petBcoef(1:knon) * dtime
384	petB_orc(1:knon) = petAcoef(1:knon)
385	peqA_orc(1:knon) = peqBcoef(1:knon) * dtime
386	peqB_orc(1:knon) = peqAcoef(1:knon)
387
388	cdrag = 0.
389	cdrag(1:knon) = tq_cdrag(1:knon)
390
391	! zlev(1:knon) = (100.plev(1:knon))/((ps(1:knon)/287.05temp_air(1:knon))*9.80665)
392	! zlev(1:knon) = (100.plev(1:knon))/((ps(1:knon)/RDtemp_air(1:knon))*RG)
393	zlev(1:knon) = plev(1:knon)RDtemp_air(1:knon)/((ps(1:knon)100.0)RG)
394
395
396	! PF et PASB
397	! where(cdrag > 0.01)
398	! cdrag = 0.01
399	! endwhere
400	! write(,)'Cdrag = ',minval(cdrag),maxval(cdrag)
401
402
403	IF (debut) THEN
404	CALL Init_orchidee_index(knon,knindex,offset,ktindex)
405	CALL Get_orchidee_communicator(orch_comm,orch_omp_size,orch_omp_rank)
406	CALL Init_synchro_omp
407
408	IF (knon > 0) THEN
409	#ifdef CPP_VEGET
410	CALL Init_intersurf(nbp_lon,nbp_lat,knon,ktindex,offset,orch_omp_size,orch_omp_rank,orch_comm)
411	#endif
412	ENDIF
413
414
415	IF (knon > 0) THEN
416
417	#ifdef CPP_VEGET
418	CALL intersurf_main (itime+itau_phy-1, nbp_lon, nbp_lat, knon, ktindex, dtime, &
419	lrestart_read, lrestart_write, lalo, &
420	contfrac, neighbours, resolution, date0, &
421	zlev, u1_lay, v1_lay, spechum, temp_air, epot_air, ccanopy, &
422	cdrag, petA_orc, peqA_orc, petB_orc, peqB_orc, &
423	precip_rain, precip_snow, lwdown, swnet, swdown, ps, &
424	evap, fluxsens, fluxlat, coastalflow, riverflow, &
425	tsol_rad, tsurf_new, qsurf, albedo_out, emis_new, z0_new, &
426	lon_scat, lat_scat, q2m, t2m, coszang=yrmu0)
427	#endif
428	ENDIF
429
430	CALL Synchro_omp
431
432	albedo_keep(1:knon) = (albedo_out(1:knon,1)+albedo_out(1:knon,2))/2.
433
434	ENDIF
435
436
437	! swdown_vrai(1:knon) = swnet(1:knon)/(1. - albedo_keep(1:knon))
438	swdown_vrai(1:knon) = swdown(1:knon)
439
440	IF (knon > 0) THEN
441	#ifdef CPP_VEGET
442
443	CALL intersurf_main (itime+itau_phy, nbp_lon, nbp_lat, knon, ktindex, dtime, &
444	lrestart_read, lrestart_write, lalo, &
445	contfrac, neighbours, resolution, date0, &
446	zlev, u1_lay(1:knon), v1_lay(1:knon), spechum(1:knon), temp_air(1:knon), epot_air(1:knon), ccanopy(1:knon), &
447	cdrag(1:knon), petA_orc(1:knon), peqA_orc(1:knon), petB_orc(1:knon), peqB_orc(1:knon), &
448	precip_rain(1:knon), precip_snow(1:knon), lwdown(1:knon), swnet(1:knon), swdown_vrai(1:knon), ps(1:knon), &
449	evap(1:knon), fluxsens(1:knon), fluxlat(1:knon), coastalflow(1:knon), riverflow(1:knon), &
450	tsol_rad(1:knon), tsurf_new(1:knon), qsurf(1:knon), albedo_out(1:knon,:), emis_new(1:knon), z0_new(1:knon), &
451	lon_scat, lat_scat, q2m(1:knon), t2m(1:knon), coszang=yrmu0(1:knon))
452	#endif
453	ENDIF
454	z0h_new(:)=z0_new(:)
455
456	CALL Synchro_omp
457
458	albedo_keep(1:knon) = (albedo_out(1:knon,1)+albedo_out(1:knon,2))/2.
459
460	!* Send to coupler
461	!
462	IF (type_ocean=='couple') THEN
463	CALL cpl_send_land_fields(itime, knon, knindex, &
464	riverflow, coastalflow)
465	ENDIF
466
467	alb1_new(1:knon) = albedo_out(1:knon,1)
468	alb2_new(1:knon) = albedo_out(1:knon,2)
469
470	! Convention orchidee: positif vers le haut
471	fluxsens(1:knon) = -1. * fluxsens(1:knon)
472	fluxlat(1:knon) = -1. * fluxlat(1:knon)
473
474	! evap = -1. * evap
475
476	IF (debut) lrestart_read = .FALSE.
477
478	IF (debut) CALL Finalize_surf_para
479
480
481	END SUBROUTINE surf_land_orchidee
482	!
483	!****************************************************************************************
484	!
485	SUBROUTINE Init_orchidee_index(knon,knindex,offset,ktindex)
486	USE mod_surf_para
487	USE mod_grid_phy_lmdz
488
489	INTEGER,INTENT(IN) :: knon
490	INTEGER,INTENT(IN) :: knindex(klon)
491	INTEGER,INTENT(OUT) :: offset
492	INTEGER,INTENT(OUT) :: ktindex(klon)
493
494	INTEGER :: ktindex_glo(knon_glo)
495	INTEGER :: offset_para(0:omp_size*mpi_size-1)
496	INTEGER :: LastPoint
497	INTEGER :: task
498
499	ktindex(1:knon)=knindex(1:knon)+(klon_mpi_begin-1)+(klon_omp_begin-1)+nbp_lon-1
500
501	CALL gather_surf(ktindex(1:knon),ktindex_glo)
502
503	IF (is_mpi_root .AND. is_omp_root) THEN
504	LastPoint=0
505	DO Task=0,mpi_size*omp_size-1
506	IF (knon_glo_para(Task)>0) THEN
507	offset_para(task)= LastPoint-MOD(LastPoint,nbp_lon)
508	LastPoint=ktindex_glo(knon_glo_end_para(task))
509	ENDIF
510	ENDDO
511	ENDIF
512
513	CALL bcast(offset_para)
514
515	offset=offset_para(omp_size*mpi_rank+omp_rank)
516
517	ktindex(1:knon)=ktindex(1:knon)-offset
518
519	END SUBROUTINE Init_orchidee_index
520
521	!
522	!*********************** *************************************************************
523	!
524
525	SUBROUTINE Get_orchidee_communicator(orch_comm,orch_omp_size,orch_omp_rank)
526	USE mod_surf_para
527	USE lmdz_mpi
528
529	INTEGER,INTENT(OUT) :: orch_comm
530	INTEGER,INTENT(OUT) :: orch_omp_size
531	INTEGER,INTENT(OUT) :: orch_omp_rank
532	INTEGER :: color
533	INTEGER :: i,ierr
534	!
535	! End definition
536	!****************************************************************************************
537
538
539	IF (is_omp_root) THEN
540
541	IF (knon_mpi==0) THEN
542	color = 0
543	ELSE
544	color = 1
545	ENDIF
546
547	IF (using_mpi) THEN
548	CALL MPI_COMM_SPLIT(COMM_LMDZ_PHY,color,mpi_rank,orch_comm,ierr)
549	ENDIF
550
551	ENDIF
552	CALL bcast_omp(orch_comm)
553
554	IF (knon_mpi /= 0) THEN
555	orch_omp_size=0
556	DO i=0,omp_size-1
557	IF (knon_omp_para(i) /=0) THEN
558	orch_omp_size=orch_omp_size+1
559	IF (i==omp_rank) orch_omp_rank=orch_omp_size-1
560	ENDIF
561	ENDDO
562	ENDIF
563
564
565	END SUBROUTINE Get_orchidee_communicator
566	!
567	!****************************************************************************************
568	!
569
570	SUBROUTINE Init_neighbours(knon,neighbours,knindex,pctsrf)
571	USE mod_grid_phy_lmdz
572	USE mod_surf_para
573	USE indice_sol_mod
574	USE lmdz_mpi
575
576	! Input arguments
577	!****************************************************************************************
578	INTEGER, INTENT(IN) :: knon
579	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
580	REAL, DIMENSION(klon), INTENT(IN) :: pctsrf
581
582	! Output arguments
583	!****************************************************************************************
584	INTEGER, DIMENSION(knon,8), INTENT(OUT) :: neighbours
585
586	! Local variables
587	!****************************************************************************************
588	INTEGER :: i, igrid, jj, ij, iglob
589	INTEGER :: ierr, ireal, index
590	INTEGER, DIMENSION(8,3) :: off_ini
591	INTEGER, DIMENSION(8) :: offset
592	INTEGER, DIMENSION(nbp_lon,nbp_lat) :: correspond
593	INTEGER, DIMENSION(knon_glo) :: ktindex_glo
594	INTEGER, DIMENSION(knon_glo,8) :: neighbours_glo
595	REAL, DIMENSION(klon_glo) :: pctsrf_glo
596	INTEGER :: ktindex(klon)
597	!
598	! End definition
599	!****************************************************************************************
600
601	ktindex(1:knon)=knindex(1:knon)+(klon_mpi_begin-1)+(klon_omp_begin-1)+nbp_lon-1
602
603	CALL gather_surf(ktindex(1:knon),ktindex_glo)
604	CALL gather(pctsrf,pctsrf_glo)
605
606	IF (is_mpi_root .AND. is_omp_root) THEN
607	neighbours_glo(:,:)=-1
608	! Initialisation des offset
609	!
610	! offset bord ouest
611	off_ini(1,1) = - nbp_lon ; off_ini(2,1) = - nbp_lon + 1 ; off_ini(3,1) = 1
612	off_ini(4,1) = nbp_lon + 1 ; off_ini(5,1) = nbp_lon ; off_ini(6,1) = 2 * nbp_lon - 1
613	off_ini(7,1) = nbp_lon -1 ; off_ini(8,1) = - 1
614	! offset point normal
615	off_ini(1,2) = - nbp_lon ; off_ini(2,2) = - nbp_lon + 1 ; off_ini(3,2) = 1
616	off_ini(4,2) = nbp_lon + 1 ; off_ini(5,2) = nbp_lon ; off_ini(6,2) = nbp_lon - 1
617	off_ini(7,2) = -1 ; off_ini(8,2) = - nbp_lon - 1
618	! offset bord est
619	off_ini(1,3) = - nbp_lon ; off_ini(2,3) = - 2 * nbp_lon + 1 ; off_ini(3,3) = - nbp_lon + 1
620	off_ini(4,3) = 1 ; off_ini(5,3) = nbp_lon ; off_ini(6,3) = nbp_lon - 1
621	off_ini(7,3) = -1 ; off_ini(8,3) = - nbp_lon - 1
622	!
623	!
624	! Attention aux poles
625	!
626	DO igrid = 1, knon_glo
627	index = ktindex_glo(igrid)
628	jj = INT((index - 1)/nbp_lon) + 1
629	ij = index - (jj - 1) * nbp_lon
630	correspond(ij,jj) = igrid
631	ENDDO
632	!sonia : Les mailles des voisines doivent etre toutes egales (pour couplage orchidee)
633	IF (knon_glo == 1) THEN
634	igrid = 1
635	DO i = 1,8
636	neighbours_glo(igrid, i) = igrid
637	ENDDO
638	ELSE
639	print*,'sonia : knon_glo,ij,jj', knon_glo, ij,jj
640
641	DO igrid = 1, knon_glo
642	iglob = ktindex_glo(igrid)
643
644	IF (MOD(iglob, nbp_lon) == 1) THEN
645	offset = off_ini(:,1)
646	ELSE IF(MOD(iglob, nbp_lon) == 0) THEN
647	offset = off_ini(:,3)
648	ELSE
649	offset = off_ini(:,2)
650	ENDIF
651
652	DO i = 1, 8
653	index = iglob + offset(i)
654	ireal = (MIN(MAX(1, index - nbp_lon + 1), klon_glo))
655	IF (pctsrf_glo(ireal) > EPSFRA) THEN
656	jj = INT((index - 1)/nbp_lon) + 1
657	ij = index - (jj - 1) * nbp_lon
658	neighbours_glo(igrid, i) = correspond(ij, jj)
659	ENDIF
660	ENDDO
661	ENDDO
662	ENDIF !fin knon_glo == 1
663
664	ENDIF
665
666	DO i = 1, 8
667	CALL scatter_surf(neighbours_glo(:,i),neighbours(1:knon,i))
668	ENDDO
669	END SUBROUTINE Init_neighbours
670
671	!
672	!****************************************************************************************
673	!
674	#endif
675	END MODULE surf_land_orchidee_noz0h_mod

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