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etat0dyn_netcdf.F90 @ 5435

Last change on this file since 5435 was 4368, checked in by lguez, 2 years ago
Sync latest trunk changes to Ocean_skin
File size: 21.9 KB

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1	MODULE etat0dyn
2	!
3	!*******************************************************************************
4	! Purpose: Create dynamical initial state using atmospheric fields from a
5	! database of atmospheric to initialize the model.
6	!-------------------------------------------------------------------------------
7	! Comments:
8	!
9	! * This module is designed to work for Earth (and with ioipsl)
10	!
11	! * etat0dyn_netcdf routine can access to NetCDF data through the following
12	! routine (to be called after restget):
13	! CALL startget_dyn3d(varname, lon_in, lat_in, pls, workvar,&
14	! champ, lon_in2, lat_in2)
15	!
16	! * Variables should have the following names in the NetCDF files:
17	! 'U' : East ward wind (in "ECDYN.nc")
18	! 'V' : Northward wind (in "ECDYN.nc")
19	! 'TEMP' : Temperature (in "ECDYN.nc")
20	! 'R' : Relative humidity (in "ECDYN.nc")
21	! 'RELIEF' : High resolution orography (in "Relief.nc")
22	!
23	! * The land mask and corresponding weights can be:
24	! 1) already known (in particular if etat0dyn has been called before) ;
25	! in this case, ANY(masque(:,:)/=-99999.) = .TRUE.
26	! 2) computed using the ocean mask from the ocean model (to ensure ocean
27	! fractions are the same for atmosphere and ocean) for coupled runs.
28	! File name: "o2a.nc" ; variable name: "OceMask"
29	! 3) computed from topography file "Relief.nc" for forced runs.
30	!
31	! * There is a big mess with the longitude size. Should it be iml or iml+1 ?
32	! I have chosen to use the iml+1 as an argument to this routine and we declare
33	! internaly smaller fields when needed. This needs to be cleared once and for
34	! all in LMDZ. A convention is required.
35	!-------------------------------------------------------------------------------
36	USE ioipsl, ONLY: flininfo, flinopen, flinget, flinclo, histclo
37	USE assert_eq_m, ONLY: assert_eq
38	USE comconst_mod, ONLY: pi, cpp, kappa
39	USE comvert_mod, ONLY: ap, bp, preff, pressure_exner
40	USE temps_mod, ONLY: annee_ref, day_ref, itau_dyn, itau_phy, start_time
41	USE strings_mod, ONLY: strLower
42
43	IMPLICIT NONE
44
45	PRIVATE
46	PUBLIC :: etat0dyn_netcdf
47
48	include "iniprint.h"
49	include "dimensions.h"
50	include "paramet.h"
51	include "comgeom2.h"
52	include "comdissnew.h"
53	REAL, SAVE :: deg2rad
54	INTEGER, SAVE :: iml_dyn, jml_dyn, llm_dyn, ttm_dyn, fid_dyn
55	REAL, ALLOCATABLE, SAVE :: lon_dyn(:,:), lat_dyn(:,:), levdyn_ini(:)
56	CHARACTER(LEN=120), PARAMETER :: dynfname='ECDYN.nc'
57
58	CONTAINS
59
60	!-------------------------------------------------------------------------------
61	!
62	SUBROUTINE etat0dyn_netcdf(masque, phis)
63	!
64	!-------------------------------------------------------------------------------
65	! Purpose: Create dynamical initial states.
66	!-------------------------------------------------------------------------------
67	! Notes: 1) This routine is designed to work for Earth
68	! 2) If masque(:,:)/=-99999., masque and phis are already known.
69	! Otherwise: compute it.
70	!-------------------------------------------------------------------------------
71	USE control_mod
72	USE regr_lat_time_coefoz_m, ONLY: regr_lat_time_coefoz
73	USE regr_pr_o3_m, ONLY: regr_pr_o3
74	USE press_coefoz_m, ONLY: press_coefoz
75	USE exner_hyb_m, ONLY: exner_hyb
76	USE exner_milieu_m, ONLY: exner_milieu
77	USE infotrac, ONLY: nqtot, tracers
78	USE filtreg_mod
79	IMPLICIT NONE
80	!-------------------------------------------------------------------------------
81	! Arguments:
82	REAL, INTENT(INOUT) :: masque(iip1,jjp1) !--- Land-ocean mask
83	REAL, INTENT(INOUT) :: phis (iip1,jjp1) !--- Ground geopotential
84	!-------------------------------------------------------------------------------
85	! Local variables:
86	CHARACTER(LEN=256) :: modname, fmt
87	INTEGER :: i, j, l, ji, itau, iday, iq
88	REAL :: xpn, xps, time, phystep
89	REAL, DIMENSION(iip1,jjp1) :: psol
90	REAL, DIMENSION(iip1,jjp1,llm+1) :: p3d
91	REAL, DIMENSION(iip1,jjp1,llm) :: uvent, t3d, tpot, qsat, qd
92	REAL, DIMENSION(iip1,jjp1,llm) :: pk, pls, y, masse
93	REAL, DIMENSION(iip1,jjm ,llm) :: vvent
94	REAL, DIMENSION(ip1jm ,llm) :: pbarv
95	REAL, DIMENSION(ip1jmp1 ,llm) :: pbaru, phi, w
96	REAL, DIMENSION(ip1jmp1) :: pks
97	REAL, DIMENSION(iim) :: xppn, xpps
98	REAL, ALLOCATABLE :: q3d(:,:,:,:)
99	!-------------------------------------------------------------------------------
100	modname='etat0dyn_netcdf'
101
102	deg2rad = pi/180.0
103	y(:,:,:)=0 !ym warning unitialized variable
104
105	! Compute psol AND tsol, knowing phis.
106	!*******************************************************************************
107	CALL start_init_dyn(rlonv, rlatu, rlonu, rlatv, phis, psol)
108
109	! Mid-levels pressure computation
110	!*******************************************************************************
111	CALL pression(ip1jmp1, ap, bp, psol, p3d) !--- Update p3d
112	IF(pressure_exner) THEN !--- Update pk, pks
113	CALL exner_hyb (ip1jmp1,psol,p3d,pks,pk)
114	ELSE
115	CALL exner_milieu(ip1jmp1,psol,p3d,pks,pk)
116	END IF
117	pls(:,:,:)=preff(pk(:,:,:)/cpp)*(1./kappa) !--- Update pls
118
119	! Update uvent, vvent, t3d and tpot
120	!*******************************************************************************
121	uvent(:,:,:) = 0.0 ; vvent(:,:,:) = 0.0 ; t3d (:,:,:) = 0.0
122	CALL startget_dyn3d('u' ,rlonu,rlatu,pls,y ,uvent,rlonv,rlatv)
123	CALL startget_dyn3d('v' ,rlonv,rlatv,pls(:,:jjm,:),y(:,:jjm,:),vvent, &
124	& rlonu,rlatu(:jjm))
125	CALL startget_dyn3d('t' ,rlonv,rlatu,pls,y ,t3d ,rlonu,rlatv)
126	tpot(:,:,:)=t3d(:,:,:)
127	CALL startget_dyn3d('tpot',rlonv,rlatu,pls,pk,tpot,rlonu,rlatv)
128
129	WRITE(lunout,*) 'T3D min,max:',MINVAL(t3d(:,:,:)),MAXVAL(t3d(:,:,:))
130	WRITE(lunout,*) 'PLS min,max:',MINVAL(pls(:,:,:)),MAXVAL(pls(:,:,:))
131
132	! Humidity at saturation computation
133	!*******************************************************************************
134	WRITE(lunout,*) 'avant q_sat'
135	CALL q_sat(llmjjp1iip1, t3d, pls, qsat)
136	WRITE(lunout,*) 'apres q_sat'
137	WRITE(lunout,*) 'QSAT min,max:',MINVAL(qsat(:,:,:)),MAXVAL(qsat(:,:,:))
138	! WRITE(lunout,*) 'QSAT :',qsat(10,20,:)
139	qd (:,:,:) = 0.0
140	CALL startget_dyn3d('q',rlonv,rlatu,pls,qsat,qd,rlonu,rlatv)
141	ALLOCATE(q3d(iip1,jjp1,llm,nqtot)); q3d(:,:,:,:)=0.0 ; q3d(:,:,:,1)=qd(:,:,:)
142	CALL flinclo(fid_dyn)
143
144	! Parameterization of ozone chemistry:
145	!*******************************************************************************
146	! Look for ozone tracer:
147	#ifndef INCA
148	DO iq=1,nqtot; IF(strLower(tracers(iq)%name)=="o3") EXIT; END DO
149	IF(iq/=nqtot+1) THEN
150	CALL regr_lat_time_coefoz
151	CALL press_coefoz
152	CALL regr_pr_o3(p3d, q3d(:,:,:,iq))
153	q3d(:,:,:,iq)=q3d(:,:,:,iq)*48./ 29. !--- Mole->mass fraction
154	END IF
155	#endif
156	q3d(iip1,:,:,:)=q3d(1,:,:,:)
157
158	! Writing
159	!*******************************************************************************
160	CALL inidissip(lstardis, nitergdiv, nitergrot, niterh, tetagdiv, tetagrot, &
161	tetatemp, vert_prof_dissip)
162	WRITE(lunout,*)'sortie inidissip'
163	itau=0
164	itau_dyn=0
165	itau_phy=0
166	iday=dayref+itau/day_step
167	time=FLOAT(itau-(iday-dayref)*day_step)/day_step
168	IF(time>1.) THEN
169	time=time-1
170	iday=iday+1
171	END IF
172	day_ref=dayref
173	annee_ref=anneeref
174	CALL geopot( ip1jmp1, tpot, pk, pks, phis, phi )
175	WRITE(lunout,*)'sortie geopot'
176	CALL caldyn0( itau, uvent, vvent, tpot, psol, masse, pk, phis, &
177	phi, w, pbaru, pbarv, time+iday-dayref)
178	WRITE(lunout,*)'sortie caldyn0'
179	start_time = 0.
180	#ifdef CPP_PARA
181	CALL dynredem0_loc( "start.nc", dayref, phis)
182	#else
183	CALL dynredem0( "start.nc", dayref, phis)
184	#endif
185	WRITE(lunout,*)'sortie dynredem0'
186	#ifdef CPP_PARA
187	CALL dynredem1_loc( "start.nc", 0.0, vvent, uvent, tpot, q3d, masse, psol)
188	#else
189	CALL dynredem1( "start.nc", 0.0, vvent, uvent, tpot, q3d, masse, psol)
190	#endif
191	WRITE(lunout,*)'sortie dynredem1'
192	CALL histclo()
193
194	END SUBROUTINE etat0dyn_netcdf
195	!
196	!-------------------------------------------------------------------------------
197
198
199	!-------------------------------------------------------------------------------
200	!
201	SUBROUTINE startget_dyn3d(var, lon_in, lat_in, pls, workvar,&
202	champ, lon_in2, lat_in2)
203	!-------------------------------------------------------------------------------
204	IMPLICIT NONE
205	!===============================================================================
206	! Purpose: Compute some quantities (u,v,t,q,tpot) using variables U,V,TEMP and R
207	! (3D fields) of file dynfname.
208	!-------------------------------------------------------------------------------
209	! Note: An input auxilliary field "workvar" has to be specified in two cases:
210	! * for "q": the saturated humidity.
211	! * for "tpot": the Exner function.
212	!===============================================================================
213	! Arguments:
214	CHARACTER(LEN=*), INTENT(IN) :: var
215	REAL, INTENT(IN) :: lon_in(:) ! dim (iml)
216	REAL, INTENT(IN) :: lat_in(:) ! dim (jml)
217	REAL, INTENT(IN) :: pls (:, :, :) ! dim (iml, jml, lml)
218	REAL, INTENT(IN) :: workvar(:, :, :) ! dim (iml, jml, lml)
219	REAL, INTENT(INOUT) :: champ (:, :, :) ! dim (iml, jml, lml)
220	REAL, INTENT(IN) :: lon_in2(:) ! dim (iml)
221	REAL, INTENT(IN) :: lat_in2(:) ! dim (jml2)
222	!-------------------------------------------------------------------------------
223	! Local variables:
224	CHARACTER(LEN=10) :: vname
225	CHARACTER(LEN=256) :: msg, modname="startget_dyn3d"
226	INTEGER :: iml, jml, jml2, lml, il
227	REAL :: xppn, xpps
228	!-------------------------------------------------------------------------------
229	iml=assert_eq([SIZE(lon_in),SIZE(pls,1),SIZE(workvar,1),SIZE(champ,1), &
230	& SIZE(lon_in2)], TRIM(modname)//" iml")
231	jml=assert_eq( SIZE(lat_in),SIZE(pls,2),SIZE(workvar,2),SIZE(champ,2), &
232	& TRIM(modname)//" jml")
233	lml=assert_eq( SIZE(pls,3),SIZE(workvar,3),SIZE(champ,3), &
234	& TRIM(modname)//" lml")
235	jml2=SIZE(lat_in2)
236
237	!--- CHECK IF THE FIELD IS KNOWN
238	SELECT CASE(var)
239	CASE('u'); vname='U'
240	CASE('v'); vname='V'
241	CASE('t'); vname='TEMP'
242	CASE('q'); vname='R'; msg='humidity as the saturated humidity'
243	CASE('tpot'); msg='potential temperature as the Exner function'
244	CASE DEFAULT; msg='No rule to extract variable '//TRIM(var)
245	CALL abort_gcm(modname,TRIM(msg)//' from any data set',1)
246	END SELECT
247
248	!--- CHECK IF SOMETHING IS MISSING
249	IF((var=='tpot'.OR.var=='q').AND.MINVAL(workvar)==MAXVAL(workvar)) THEN
250	msg='Could not compute '//TRIM(msg)//' is missing or constant.'
251	CALL abort_gcm(modname,TRIM(msg),1)
252	END IF
253
254	!--- INTERPOLATE 3D FIELD IF NEEDED
255	IF(var/='tpot') CALL start_inter_3d(TRIM(vname),lon_in,lat_in,lon_in2, &
256	lat_in2,pls,champ)
257
258	!--- COMPUTE THE REQUIRED FILED
259	SELECT CASE(var)
260	CASE('u'); DO il=1,lml; champ(:,:,il)=champ(:,:,il)*cu(:,1:jml); END DO
261	champ(iml,:,:)=champ(1,:,:) !--- Eastward wind
262
263	CASE('v'); DO il=1,lml; champ(:,:,il)=champ(:,:,il)*cv(:,1:jml); END DO
264	champ(iml,:,:)=champ(1,:,:) !--- Northward wind
265
266	CASE('tpot','q')
267	IF(var=='tpot') THEN; champ=champ*cpp/workvar !--- Potential temperature
268	ELSE; champ=champ.01workvar !--- Relative humidity
269	WHERE(champ<0.) champ=1.0E-10
270	END IF
271	DO il=1,lml
272	xppn = SUM(aire(:,1 )*champ(:,1 ,il))/apoln
273	xpps = SUM(aire(:,jml)*champ(:,jml,il))/apols
274	champ(:,1 ,il) = xppn
275	champ(:,jml,il) = xpps
276	END DO
277	END SELECT
278
279	END SUBROUTINE startget_dyn3d
280	!
281	!-------------------------------------------------------------------------------
282
283
284	!-------------------------------------------------------------------------------
285	!
286	SUBROUTINE start_init_dyn(lon_in,lat_in,lon_in2,lat_in2,zs,psol)
287	!
288	!-------------------------------------------------------------------------------
289	IMPLICIT NONE
290	!===============================================================================
291	! Purpose: Compute psol, knowing phis.
292	!===============================================================================
293	! Arguments:
294	REAL, INTENT(IN) :: lon_in (:), lat_in (:) ! dim (iml) (jml)
295	REAL, INTENT(IN) :: lon_in2(:), lat_in2(:) ! dim (iml) (jml2)
296	REAL, INTENT(IN) :: zs (:,:) ! dim (iml,jml)
297	REAL, INTENT(OUT) :: psol(:,:) ! dim (iml,jml)
298	!-------------------------------------------------------------------------------
299	! Local variables:
300	CHARACTER(LEN=256) :: modname='start_init_dyn'
301	REAL :: date, dt
302	INTEGER :: iml, jml, jml2, itau(1)
303	REAL, ALLOCATABLE :: lon_rad(:), lon_ini(:), var_ana(:,:)
304	REAL, ALLOCATABLE :: lat_rad(:), lat_ini(:)
305	REAL, ALLOCATABLE :: z(:,:), ps(:,:), ts(:,:)
306	!-------------------------------------------------------------------------------
307	iml=assert_eq(SIZE(lon_in),SIZE(zs,1),SIZE(psol,1),SIZE(lon_in2), &
308	& TRIM(modname)//" iml")
309	jml=assert_eq(SIZE(lat_in),SIZE(zs,2),SIZE(psol,2),TRIM(modname)//" jml")
310	jml2=SIZE(lat_in2)
311
312	WRITE(lunout,*) 'Opening the surface analysis'
313	CALL flininfo(dynfname, iml_dyn, jml_dyn, llm_dyn, ttm_dyn, fid_dyn)
314	WRITE(lunout,*) 'Values read: ', iml_dyn, jml_dyn, llm_dyn, ttm_dyn
315
316	ALLOCATE(lon_dyn(iml_dyn,jml_dyn), lat_dyn(iml_dyn,jml_dyn))
317	ALLOCATE(levdyn_ini(llm_dyn))
318	CALL flinopen(dynfname, .FALSE., iml_dyn, jml_dyn, llm_dyn, &
319	lon_dyn,lat_dyn,levdyn_ini,ttm_dyn,itau,date,dt,fid_dyn)
320
321	!--- IF ANGLES ARE IN DEGREES, THEY ARE CONVERTED INTO RADIANS
322	ALLOCATE(lon_ini(iml_dyn),lat_ini(jml_dyn))
323	lon_ini(:)=lon_dyn(:,1); IF(MAXVAL(lon_dyn)>pi) lon_ini=lon_ini*deg2rad
324	lat_ini(:)=lat_dyn(1,:); IF(MAXVAL(lat_dyn)>pi) lat_ini=lat_ini*deg2rad
325
326	ALLOCATE(var_ana(iml_dyn,jml_dyn),lon_rad(iml_dyn),lat_rad(jml_dyn))
327	CALL get_var_dyn('Z',z) !--- SURFACE GEOPOTENTIAL
328	CALL get_var_dyn('SP',ps) !--- SURFACE PRESSURE
329	CALL get_var_dyn('ST',ts) !--- SURFACE TEMPERATURE
330	! CALL flinclo(fid_dyn)
331	DEALLOCATE(var_ana,lon_rad,lat_rad,lon_ini,lat_ini)
332
333	!--- PSOL IS COMPUTED IN PASCALS
334	psol(:iml-1,:) = ps(:iml-1,:)*(1.0+(z(:iml-1,:)-zs(:iml-1,:))/287.0 &
335	& /ts(:iml-1,:))
336	psol(iml,:)=psol(1,:)
337	DEALLOCATE(z,ps,ts)
338	psol(:,1 )=SUM(aire(1:iml-1,1 )*psol(1:iml-1,1 ))/apoln !--- NORTH POLE
339	psol(:,jml)=SUM(aire(1:iml-1,jml)*psol(1:iml-1,jml))/apols !--- SOUTH POLE
340
341	CONTAINS
342
343	!-------------------------------------------------------------------------------
344	!
345	SUBROUTINE get_var_dyn(title,field)
346	!
347	!-------------------------------------------------------------------------------
348	USE conf_dat_m, ONLY: conf_dat2d
349	IMPLICIT NONE
350	!-------------------------------------------------------------------------------
351	! Arguments:
352	CHARACTER(LEN=*), INTENT(IN) :: title
353	REAL, ALLOCATABLE, INTENT(INOUT) :: field(:,:)
354	!-------------------------------------------------------------------------------
355	! Local variables:
356	CHARACTER(LEN=256) :: msg
357	INTEGER :: tllm
358	!-------------------------------------------------------------------------------
359	SELECT CASE(title)
360	CASE('Z'); tllm=0; msg='geopotential'
361	CASE('SP'); tllm=0; msg='surface pressure'
362	CASE('ST'); tllm=llm_dyn; msg='temperature'
363	END SELECT
364	IF(.NOT.ALLOCATED(field)) THEN
365	ALLOCATE(field(iml,jml))
366	CALL flinget(fid_dyn, title, iml_dyn,jml_dyn, tllm, ttm_dyn, 1, 1, var_ana)
367	CALL conf_dat2d(title, lon_ini, lat_ini, lon_rad, lat_rad, var_ana, .TRUE.)
368	CALL interp_startvar(title, .TRUE., lon_rad,lat_rad, var_ana, &
369	lon_in, lat_in, lon_in2, lat_in2, field)
370	ELSE IF(SIZE(field)/=SIZE(z)) THEN
371	msg='The '//TRIM(msg)//' field we have does not have the right size'
372	CALL abort_gcm(TRIM(modname),msg,1)
373	END IF
374
375	END SUBROUTINE get_var_dyn
376	!
377	!-------------------------------------------------------------------------------
378
379	END SUBROUTINE start_init_dyn
380	!
381	!-------------------------------------------------------------------------------
382
383
384	!-------------------------------------------------------------------------------
385	!
386	SUBROUTINE start_inter_3d(var,lon_in,lat_in,lon_in2,lat_in2,pls_in,var3d)
387	!
388	!-------------------------------------------------------------------------------
389	USE conf_dat_m, ONLY: conf_dat3d
390	USE pchsp_95_m, ONLY: pchsp_95
391	USE pchfe_95_m, ONLY: pchfe_95
392	IMPLICIT NONE
393	!-------------------------------------------------------------------------------
394	! Arguments:
395	CHARACTER(LEN=*), INTENT(IN) :: var
396	REAL, INTENT(IN) :: lon_in(:), lat_in(:) ! dim (iml) (jml)
397	REAL, INTENT(IN) :: lon_in2(:), lat_in2(:) ! dim (iml) (jml2)
398	REAL, INTENT(IN) :: pls_in(:,:,:) ! dim (iml,jml,lml)
399	REAL, INTENT(OUT) :: var3d (:,:,:) ! dim (iml,jml,lml)
400	!-------------------------------------------------------------------------------
401	! Local variables:
402	CHARACTER(LEN=256) :: modname='start_inter_3d'
403	LOGICAL :: skip
404	REAL :: chmin, chmax
405	INTEGER :: iml, jml, lml, jml2, ii, ij, il, ierr
406	INTEGER :: n_extrap ! Extrapolated points number
407	REAL, ALLOCATABLE :: ax(:), lon_rad(:), lon_ini(:), lev_dyn(:), yder(:)
408	REAL, ALLOCATABLE :: ay(:), lat_rad(:), lat_ini(:), var_tmp3d(:,:,:)
409	REAL, ALLOCATABLE, SAVE :: var_ana3d(:,:,:)
410	!-------------------------------------------------------------------------------
411	iml=assert_eq(SIZE(lon_in),SIZE(lon_in2),SIZE(pls_in,1),SIZE(var3d,1),TRIM(modname)//" iml")
412	jml=assert_eq(SIZE(lat_in), SIZE(pls_in,2),SIZE(var3d,2),TRIM(modname)//" jml")
413	lml=assert_eq(SIZE(pls_in,3),SIZE(var3d,3),TRIM(modname)//" lml"); jml2=SIZE(lat_in2)
414
415	WRITE(lunout, *)'Going into flinget to extract the 3D field.'
416	IF(.NOT.ALLOCATED(var_ana3d)) ALLOCATE(var_ana3d(iml_dyn, jml_dyn, llm_dyn))
417	CALL flinget(fid_dyn,var,iml_dyn,jml_dyn,llm_dyn,ttm_dyn,1,1,var_ana3d)
418
419	!--- ANGLES IN DEGREES ARE CONVERTED INTO RADIANS
420	ALLOCATE(lon_ini(iml_dyn), lat_ini(jml_dyn))
421	lon_ini(:)=lon_dyn(:,1); IF(MAXVAL(lon_dyn)>pi) lon_ini=lon_ini*deg2rad
422	lat_ini(:)=lat_dyn(1,:); IF(MAXVAL(lat_dyn)>pi) lat_ini=lat_ini*deg2rad
423
424	!--- FIELDS ARE PROCESSED TO BE ON STANDARD ANGULAR DOMAINS
425	ALLOCATE(lon_rad(iml_dyn), lat_rad(jml_dyn), lev_dyn(llm_dyn))
426	CALL conf_dat3d(var, lon_ini, lat_ini, levdyn_ini, &
427	lon_rad, lat_rad, lev_dyn, var_ana3d, .TRUE.)
428	DEALLOCATE(lon_ini, lat_ini)
429
430	!--- COMPUTE THE REQUIRED FIELDS USING ROUTINE grid_noro
431	ALLOCATE(var_tmp3d(iml,jml,llm_dyn))
432	DO il = 1,llm_dyn
433	CALL interp_startvar(var,il==1,lon_rad,lat_rad,var_ana3d(:,:,il), &
434	lon_in,lat_in,lon_in2,lat_in2,var_tmp3d(:,:,il))
435	END DO
436	DEALLOCATE(lon_rad, lat_rad)
437
438	!--- VERTICAL INTERPOLATION FROM TOP OF ATMOSPHERE TO GROUND
439	ALLOCATE(ax(llm_dyn),ay(llm_dyn),yder(llm_dyn))
440	ax = lev_dyn(llm_dyn:1:-1)
441	skip = .FALSE.
442	n_extrap = 0
443	DO ij=1, jml
444	DO ii=1, iml-1
445	ay = var_tmp3d(ii, ij, llm_dyn:1:-1)
446	yder = pchsp_95(ax, ay, ibeg=2, iend=2, vc_beg=0., vc_end=0.)
447	CALL pchfe_95(ax, ay, yder, skip, pls_in(ii, ij, lml:1:-1), &
448	var3d(ii, ij, lml:1:-1), ierr)
449	IF(ierr<0) CALL abort_gcm(TRIM(modname),'error in pchfe_95',1)
450	n_extrap = n_extrap + ierr
451	END DO
452	END DO
453	IF(n_extrap/=0) WRITE(lunout,*)TRIM(modname)//" pchfe_95: n_extrap=", n_extrap
454	var3d(iml, :, :) = var3d(1, :, :)
455
456	DO il=1, lml
457	CALL minmax(iml*jml, var3d(1, 1, il), chmin, chmax)
458	WRITE(lunout, *)' '//TRIM(var)//' min max l ', il, chmin, chmax
459	END DO
460
461	END SUBROUTINE start_inter_3d
462	!
463	!-------------------------------------------------------------------------------
464
465
466	!-------------------------------------------------------------------------------
467	!
468	SUBROUTINE interp_startvar(nam,ibeg,lon,lat,vari,lon1,lat1,lon2,lat2,varo)
469	!
470	!-------------------------------------------------------------------------------
471	USE inter_barxy_m, ONLY: inter_barxy
472	IMPLICIT NONE
473	!-------------------------------------------------------------------------------
474	! Arguments:
475	CHARACTER(LEN=*), INTENT(IN) :: nam
476	LOGICAL, INTENT(IN) :: ibeg
477	REAL, INTENT(IN) :: lon(:), lat(:) ! dim (ii) (jj)
478	REAL, INTENT(IN) :: vari(:,:) ! dim (ii,jj)
479	REAL, INTENT(IN) :: lon1(:), lat1(:) ! dim (i1) (j1)
480	REAL, INTENT(IN) :: lon2(:), lat2(:) ! dim (i1) (j2)
481	REAL, INTENT(OUT) :: varo(:,:) ! dim (i1) (j1)
482	!-------------------------------------------------------------------------------
483	! Local variables:
484	CHARACTER(LEN=256) :: modname="interp_startvar"
485	INTEGER :: ii, jj, i1, j1, j2
486	REAL, ALLOCATABLE :: vtmp(:,:)
487	!-------------------------------------------------------------------------------
488	ii=assert_eq(SIZE(lon), SIZE(vari,1),TRIM(modname)//" ii")
489	jj=assert_eq(SIZE(lat), SIZE(vari,2),TRIM(modname)//" jj")
490	i1=assert_eq(SIZE(lon1),SIZE(lon2),SIZE(varo,1),TRIM(modname)//" i1")
491	j1=assert_eq(SIZE(lat1), SIZE(varo,2),TRIM(modname)//" j1")
492	j2=SIZE(lat2)
493	ALLOCATE(vtmp(i1-1,j1))
494	IF(ibeg.AND.prt_level>1) THEN
495	WRITE(lunout,*)"---------------------------------------------------------"
496	WRITE(lunout,*)"$$$ Interpolation barycentrique pour "//TRIM(nam)//" $$$"
497	WRITE(lunout,*)"---------------------------------------------------------"
498	END IF
499	CALL inter_barxy(lon, lat(:jj-1), vari, lon2(:i1-1), lat2, vtmp)
500	CALL gr_int_dyn(vtmp, varo, i1-1, j1)
501
502	END SUBROUTINE interp_startvar
503	!
504	!-------------------------------------------------------------------------------
505
506	END MODULE etat0dyn
507	!
508	!*******************************************************************************

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