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etat0_netcdf.F90 @ 1511

Last change on this file since 1511 was 1511, checked in by jghattas, 14 years ago

Added 4 more variables in output file grilles_gcm.nc created by ce0l :
lev, phis, aire and mask. These variables are needed by INCA.

A Cozic

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

File size: 19.2 KB

Line
1	!
2	! $Id: etat0_netcdf.F90 1511 2011-04-28 15:21:47Z jghattas $
3	!
4	!-------------------------------------------------------------------------------
5	!
6	SUBROUTINE etat0_netcdf(ib, masque, phis, letat0)
7	!
8	!-------------------------------------------------------------------------------
9	! Purpose: Creates initial states
10	!-------------------------------------------------------------------------------
11	! Note: This routine is designed to work for Earth
12	!-------------------------------------------------------------------------------
13	USE control_mod
14	#ifdef CPP_EARTH
15	USE startvar
16	USE ioipsl
17	USE dimphy
18	USE infotrac
19	USE fonte_neige_mod
20	USE pbl_surface_mod
21	USE phys_state_var_mod
22	USE filtreg_mod
23	USE regr_lat_time_climoz_m, ONLY: regr_lat_time_climoz
24	USE conf_phys_m, ONLY: conf_phys
25	! For parameterization of ozone chemistry:
26	use regr_lat_time_coefoz_m, only: regr_lat_time_coefoz
27	use press_coefoz_m, only: press_coefoz
28	use regr_pr_o3_m, only: regr_pr_o3
29	USE netcdf, ONLY : NF90_OPEN, NF90_NOWRITE, NF90_CLOSE, NF90_NOERR
30	#endif
31	IMPLICIT NONE
32	!-------------------------------------------------------------------------------
33	! Arguments:
34	#include "dimensions.h"
35	#include "paramet.h"
36	#include "iniprint.h"
37	LOGICAL, INTENT(IN) :: ib ! barycentric interpolat.
38	REAL, DIMENSION(iip1,jjp1), INTENT(INOUT) :: masque ! land mask
39	REAL, DIMENSION(iip1,jjp1), INTENT(OUT) :: phis ! geopotentiel au sol
40	LOGICAL, INTENT(IN) :: letat0 ! F: masque only required
41	#ifndef CPP_EARTH
42	WRITE(lunout,*)'limit_netcdf: Earth-specific routine, needs Earth physics'
43	#else
44	!-------------------------------------------------------------------------------
45	! Local variables:
46	#include "comgeom2.h"
47	#include "comvert.h"
48	#include "comconst.h"
49	#include "indicesol.h"
50	#include "dimsoil.h"
51	#include "temps.h"
52	REAL, DIMENSION(klon) :: tsol, qsol
53	REAL, DIMENSION(klon) :: sn, rugmer, run_off_lic_0
54	REAL, DIMENSION(iip1,jjp1) :: orog, rugo, psol
55	REAL, DIMENSION(iip1,jjp1,llm+1) :: p3d
56	REAL, DIMENSION(iip1,jjp1,llm) :: uvent, t3d, tpot, qsat, qd
57	REAL, DIMENSION(iip1,jjm ,llm) :: vvent
58	REAL, DIMENSION(:,:,:,:), ALLOCATABLE :: q3d
59	REAL, DIMENSION(klon,nbsrf) :: qsolsrf, snsrf, evap
60	REAL, DIMENSION(klon,nbsrf) :: frugs, agesno
61	REAL, DIMENSION(klon,nsoilmx,nbsrf) :: tsoil
62
63	!--- Local variables for sea-ice reading:
64	INTEGER :: iml_lic, jml_lic, llm_tmp
65	INTEGER :: ttm_tmp, iret, fid
66	INTEGER, DIMENSION(1) :: itaul
67	REAL, DIMENSION(1) :: lev
68	REAL :: date
69	REAL, DIMENSION(:,:), ALLOCATABLE :: lon_lic, lat_lic, fraclic
70	REAL, DIMENSION(:), ALLOCATABLE :: dlon_lic, dlat_lic
71	REAL, DIMENSION(iip1,jjp1) :: flic_tmp
72
73	!--- Misc
74	CHARACTER(LEN=80) :: x, fmt
75	INTEGER :: i, j, l, ji
76	REAL, DIMENSION(iip1,jjp1,llm) :: alpha, beta, pk, pls, y
77	REAL, DIMENSION(ip1jmp1) :: pks
78
79	#include "comdissnew.h"
80	#include "serre.h"
81	#include "clesphys.h"
82
83	REAL, DIMENSION(iip1,jjp1,llm) :: masse
84	INTEGER :: itau, iday
85	REAL :: xpn, xps, time, phystep
86	REAL, DIMENSION(iim) :: xppn, xpps
87	REAL, DIMENSION(ip1jmp1,llm) :: pbaru, phi, w
88	REAL, DIMENSION(ip1jm ,llm) :: pbarv
89	REAL, DIMENSION(klon) :: fder
90
91	!--- Local variables for ocean mask reading:
92	INTEGER :: nid_o2a, iml_omask, jml_omask
93	LOGICAL :: couple=.FALSE.
94	REAL, DIMENSION(:,:), ALLOCATABLE :: lon_omask, lat_omask, ocemask, ocetmp
95	REAL, DIMENSION(:), ALLOCATABLE :: dlon_omask,dlat_omask
96	REAL, DIMENSION(klon) :: ocemask_fi
97	INTEGER, DIMENSION(klon-2) :: isst
98	REAL, DIMENSION(iim,jjp1) :: zx_tmp_2d
99	REAL :: dummy
100	LOGICAL :: ok_newmicro, ok_journe, ok_mensuel, ok_instan, ok_hf
101	LOGICAL :: ok_LES, ok_ade, ok_aie, aerosol_couple, new_aod, callstats
102	INTEGER :: iflag_radia, flag_aerosol
103	REAL :: bl95_b0, bl95_b1, fact_cldcon, facttemps, ratqsbas, ratqshaut
104	REAL :: tau_ratqs
105	INTEGER :: iflag_cldcon, iflag_ratqs, iflag_coupl, iflag_clos, iflag_wake
106	INTEGER :: iflag_thermals, nsplit_thermals
107	INTEGER :: iflag_thermals_ed, iflag_thermals_optflux
108	REAL :: tau_thermals, solarlong0, seuil_inversion
109	INTEGER :: read_climoz ! read ozone climatology
110	! Allowed values are 0, 1 and 2
111	! 0: do not read an ozone climatology
112	! 1: read a single ozone climatology that will be used day and night
113	! 2: read two ozone climatologies, the average day and night
114	! climatology and the daylight climatology
115	!-------------------------------------------------------------------------------
116	REAL :: alp_offset
117	logical found
118
119	!--- Constants
120	pi = 4. * ATAN(1.)
121	rad = 6371229.
122	daysec = 86400.
123	omeg = 2.*pi/daysec
124	g = 9.8
125	kappa = 0.2857143
126	cpp = 1004.70885
127	preff = 101325.
128	pa = 50000.
129	jmp1 = jjm + 1
130
131	!--- CONSTRUCT A GRID
132	CALL conf_phys( ok_journe, ok_mensuel, ok_instan, ok_hf, ok_LES, &
133	callstats, &
134	solarlong0,seuil_inversion, &
135	fact_cldcon, facttemps,ok_newmicro,iflag_radia, &
136	iflag_cldcon, &
137	iflag_ratqs,ratqsbas,ratqshaut,tau_ratqs, &
138	ok_ade, ok_aie, aerosol_couple, &
139	flag_aerosol, new_aod, &
140	bl95_b0, bl95_b1, &
141	read_climoz, &
142	alp_offset)
143
144	! co2_ppm0 : initial value of atmospheric CO2 from .def file (co2_ppm value)
145	co2_ppm0 = co2_ppm
146
147	dtvr = daysec/FLOAT(day_step)
148	WRITE(lunout,*)'dtvr',dtvr
149
150	CALL iniconst()
151	CALL inigeom()
152
153	!--- Initializations for tracers
154	CALL infotrac_init
155	ALLOCATE(q3d(iip1,jjp1,llm,nqtot))
156
157	CALL inifilr()
158	CALL phys_state_var_init(read_climoz)
159
160	rlat(1) = ASIN(1.0)
161	DO j=2,jjm; rlat((j-2)iim+2:(j-1)iim+1)=rlatu(j); END DO
162	rlat(klon) = - ASIN(1.0)
163	rlat(:)=rlat(:)*(180.0/pi)
164
165	rlon(1) = 0.0
166	DO j=2,jjm; rlon((j-2)iim+2:(j-1)iim+1)=rlonv(1:iim); END DO
167	rlon(klon) = 0.0
168	rlon(:)=rlon(:)*(180.0/pi)
169
170	! For a coupled simulation, the ocean mask from ocean model is used to compute
171	! the weights an to insure ocean fractions are the same for atmosphere and ocean
172	! Otherwise, mask is created using Relief file.
173
174	WRITE(lunout,*)'Essai de lecture masque ocean'
175	iret = NF90_OPEN("o2a.nc", NF90_NOWRITE, nid_o2a)
176	IF(iret/=NF90_NOERR) THEN
177	WRITE(lunout,*)'ATTENTION!! pas de fichier o2a.nc trouve'
178	WRITE(lunout,*)'Run force'
179	x='masque'
180	masque(:,:)=0.0
181	CALL startget_phys2d(x, iip1, jjp1, rlonv, rlatu, masque, 0.0, jjm, &
182	& rlonu, rlatv, ib)
183	WRITE(lunout,*)'MASQUE construit : Masque'
184	WRITE(lunout,'(97I1)') nINT(masque)
185	CALL gr_dyn_fi(1, iip1, jjp1, klon, masque, zmasq)
186	WHERE( zmasq(:)<EPSFRA) zmasq(:)=0.
187	WHERE(1.-zmasq(:)<EPSFRA) zmasq(:)=1.
188	ELSE
189	WRITE(lunout,*)'ATTENTION!! fichier o2a.nc trouve'
190	WRITE(lunout,*)'Run couple'
191	couple=.true.
192	iret=NF90_CLOSE(nid_o2a)
193	CALL flininfo("o2a.nc", iml_omask, jml_omask, llm_tmp, ttm_tmp, nid_o2a)
194	IF(iml_omask/=iim .OR.jml_omask/=jjp1) THEN
195	WRITE(lunout,*)'Dimensions non compatibles pour masque ocean'
196	WRITE(lunout,*)'iim = ',iim,' iml_omask = ',iml_omask
197	WRITE(lunout,*)'jjp1 = ',jjp1,' jml_omask = ',jml_omask
198	CALL abort_gcm('etat0_netcdf','Dimensions non compatibles pour masque oc&
199	&ean',1)
200	END IF
201	ALLOCATE( ocemask(iml_omask,jml_omask), ocetmp(iml_omask,jml_omask))
202	ALLOCATE( lon_omask(iml_omask,jml_omask),lat_omask(iml_omask,jml_omask))
203	ALLOCATE(dlon_omask(iml_omask), dlat_omask(jml_omask))
204	CALL flinopen("o2a.nc", .FALSE., iml_omask, jml_omask, llm_tmp, lon_omask,&
205	& lat_omask, lev, ttm_tmp, itaul, date, dt, fid)
206	CALL flinget(fid, 'OceMask', iml_omask, jml_omask, llm_tmp, ttm_tmp, &
207	& 1, 1, ocetmp)
208	CALL flinclo(fid)
209	dlon_omask(1:iml_omask) = lon_omask(1:iml_omask,1)
210	dlat_omask(1:jml_omask) = lat_omask(1,1:jml_omask)
211	ocemask = ocetmp
212	IF(dlat_omask(1)<dlat_omask(jml_omask)) THEN
213	DO j=1,jml_omask
214	ocemask(:,j) = ocetmp(:,jml_omask-j+1)
215	END DO
216	END IF
217	!
218	! Ocean mask to physical grid
219	!*******************************************************************************
220	WRITE(lunout,*)'ocemask '
221	WRITE(fmt,"(i4,'i1)')")iml_omask ; fmt='('//ADJUSTL(fmt)
222	WRITE(lunout,fmt)int(ocemask)
223	ocemask_fi(1)=ocemask(1,1)
224	DO j=2,jjm; ocemask_fi((j-2)iim+2:(j-1)iim+1)=ocemask(1:iim,j); END DO
225	ocemask_fi(klon)=ocemask(1,jjp1)
226	zmasq=1.-ocemask_fi
227	END IF
228
229	CALL gr_fi_dyn(1,klon,iip1,jjp1,zmasq,masque)
230
231	! The startget calls need to be replaced by a call to restget to get the
232	! values in the restart file
233	x = 'relief'; orog(:,:) = 0.0
234	CALL startget_phys2d(x,iip1,jjp1,rlonv,rlatu, orog, 0.0,jjm,rlonu,rlatv,ib,&
235	& masque)
236
237	x = 'rugosite'; rugo(:,:) = 0.0
238	CALL startget_phys2d(x,iip1,jjp1,rlonv,rlatu, rugo, 0.0,jjm, rlonu,rlatv,ib)
239	! WRITE(lunout,'(49I1)') INT(orog(:,:)*10)
240	! WRITE(lunout,'(49I1)') INT(rugo(:,:)*10)
241
242	! Sub-surfaces initialization
243	!*******************************************************************************
244	pctsrf=0.
245	x = 'psol'; psol(:,:) = 0.0
246	CALL startget_phys2d(x,iip1,jjp1,rlonv,rlatu,psol,0.0,jjm,rlonu,rlatv,ib)
247	! WRITE(lunout,*) 'PSOL :', psol(10,20)
248	! WRITE(lunout,*) ap(:), bp(:)
249
250	! Mid-levels pressure computation
251	!*******************************************************************************
252	CALL pression(ip1jmp1, ap, bp, psol, p3d)
253	CALL exner_hyb(ip1jmp1, psol, p3d, alpha, beta, pks, pk, y)
254	pls(:,:,:)=preff(pk(:,:,:)/cpp)*(1./kappa)
255	! WRITE(lunout,*) 'P3D :', p3d(10,20,:)
256	! WRITE(lunout,*) 'PK:', pk(10,20,:)
257	! WRITE(lunout,*) 'PLS :', pls(10,20,:)
258
259	x = 'surfgeo'; phis(:,:) = 0.0
260	CALL startget_phys2d(x,iip1,jjp1,rlonv,rlatu,phis, 0.0,jjm, rlonu,rlatv,ib)
261
262	x = 'u'; uvent(:,:,:) = 0.0
263	CALL startget_dyn(x,rlonu,rlatu,pls,y,uvent,0.0, &
264	& rlonv,rlatv,ib)
265
266	x = 'v'; vvent(:,:,:) = 0.0
267	CALL startget_dyn(x, rlonv,rlatv,pls(:, :jjm, :),y(:, :jjm, :),vvent,0.0, &
268	& rlonu,rlatu(:jjm),ib)
269
270	x = 't'; t3d(:,:,:) = 0.0
271	CALL startget_dyn(x,rlonv,rlatu,pls,y,t3d,0.0, &
272	& rlonu,rlatv,ib)
273
274	x = 'tpot'; tpot(:,:,:) = 0.0
275	CALL startget_dyn(x,rlonv,rlatu,pls,pk,tpot,0.0, &
276	& rlonu,rlatv,ib)
277
278	WRITE(lunout,*) 'T3D min,max:',minval(t3d(:,:,:)),maxval(t3d(:,:,:))
279	WRITE(lunout,*) 'PLS min,max:',minval(pls(:,:,:)),maxval(pls(:,:,:))
280
281	! Humidity at saturation computation
282	!*******************************************************************************
283	WRITE(lunout,*) 'avant q_sat'
284	CALL q_sat(llmjjp1iip1, t3d, pls, qsat)
285	WRITE(lunout,*) 'apres q_sat'
286	WRITE(lunout,*) 'QSAT min,max:',minval(qsat(:,:,:)),maxval(qsat(:,:,:))
287	! WRITE(lunout,*) 'QSAT :',qsat(10,20,:)
288
289	x = 'q'; qd (:,:,:) = 0.0
290	CALL startget_dyn(x,rlonv,rlatu,pls,qsat,qd,0.0, rlonu,rlatv,ib)
291	q3d(:,:,:,:) = 0.0 ; q3d(:,:,:,1) = qd(:,:,:)
292
293	! Parameterization of ozone chemistry:
294	! Look for ozone tracer:
295	i = 1
296	DO
297	found = tname(i)=="O3" .OR. tname(i)=="o3"
298	if (found .or. i == nqtot) exit
299	i = i + 1
300	end do
301	if (found) then
302	call regr_lat_time_coefoz
303	call press_coefoz
304	call regr_pr_o3(p3d, q3d(:, :, :, i))
305	! Convert from mole fraction to mass fraction:
306	q3d(:, :, :, i) = q3d(:, :, :, i) * 48. / 29.
307	end if
308
309	!--- OZONE CLIMATOLOGY
310	IF(read_climoz>=1) CALL regr_lat_time_climoz(read_climoz)
311
312	x = 'tsol'; tsol(:) = 0.0
313	CALL startget_phys1d(x,iip1,jjp1,rlonv,rlatu,klon,tsol,0.0,jjm,rlonu,rlatv,ib)
314
315	x = 'qsol'; qsol(:) = 0.0
316	CALL startget_phys1d(x,iip1,jjp1,rlonv,rlatu,klon,qsol,0.0,jjm,rlonu,rlatv,ib)
317
318	x = 'snow'; sn(:) = 0.0
319	CALL startget_phys1d(x,iip1,jjp1,rlonv,rlatu,klon,sn,0.0,jjm,rlonu,rlatv,ib)
320
321	x = 'rads'; radsol(:) = 0.0
322	CALL startget_phys1d(x,iip1,jjp1,rlonv,rlatu,klon,radsol,0.0,jjm,rlonu,rlatv,ib)
323
324	x = 'rugmer'; rugmer(:) = 0.0
325	CALL startget_phys1d(x,iip1,jjp1,rlonv,rlatu,klon,rugmer,0.0,jjm,rlonu,rlatv,ib)
326
327	x = 'zmea'; zmea(:) = 0.0
328	CALL startget_phys1d(x,iip1,jjp1,rlonv,rlatu,klon,zmea,0.0,jjm,rlonu,rlatv,ib)
329
330	x = 'zstd'; zstd(:) = 0.0
331	CALL startget_phys1d(x,iip1,jjp1,rlonv,rlatu,klon,zstd,0.0,jjm,rlonu,rlatv,ib)
332
333	x = 'zsig'; zsig(:) = 0.0
334	CALL startget_phys1d(x,iip1,jjp1,rlonv,rlatu,klon,zsig,0.0,jjm,rlonu,rlatv,ib)
335
336	x = 'zgam'; zgam(:) = 0.0
337	CALL startget_phys1d(x,iip1,jjp1,rlonv,rlatu,klon,zgam,0.0,jjm,rlonu,rlatv,ib)
338
339	x = 'zthe'; zthe(:) = 0.0
340	CALL startget_phys1d(x,iip1,jjp1,rlonv,rlatu,klon,zthe,0.0,jjm,rlonu,rlatv,ib)
341
342	x = 'zpic'; zpic(:) = 0.0
343	CALL startget_phys1d(x,iip1,jjp1,rlonv,rlatu,klon,zpic,0.0,jjm,rlonu,rlatv,ib)
344
345	x = 'zval'; zval(:) = 0.0
346	CALL startget_phys1d(x,iip1,jjp1,rlonv,rlatu,klon,zval,0.0,jjm,rlonu,rlatv,ib)
347
348	! WRITE(lunout,'(48I3)') 'TSOL :', INT(tsol(2:klon)-273)
349
350	! Soil ice file reading for soil fraction and soil ice fraction
351	!*******************************************************************************
352	CALL flininfo("landiceref.nc", iml_lic, jml_lic, llm_tmp, ttm_tmp, fid)
353	ALLOCATE( lat_lic(iml_lic,jml_lic),lon_lic(iml_lic, jml_lic))
354	ALLOCATE(dlat_lic(jml_lic), dlon_lic(iml_lic))
355	ALLOCATE( fraclic(iml_lic,jml_lic))
356	CALL flinopen("landiceref.nc", .FALSE., iml_lic, jml_lic, llm_tmp, &
357	& lon_lic, lat_lic, lev, ttm_tmp, itaul, date, dt, fid)
358	CALL flinget(fid, 'landice', iml_lic, jml_lic, llm_tmp, ttm_tmp, 1,1, fraclic)
359	CALL flinclo(fid)
360
361	! Interpolation on model T-grid
362	!*******************************************************************************
363	WRITE(lunout,*)'dimensions de landice iml_lic, jml_lic : ',iml_lic,jml_lic
364	! conversion if coordinates are in degrees
365	IF(MAXVAL(lon_lic)>pi) lon_lic=lon_lic*pi/180.
366	IF(MAXVAL(lat_lic)>pi) lat_lic=lat_lic*pi/180.
367	dlon_lic(:)=lon_lic(:,1)
368	dlat_lic(:)=lat_lic(1,:)
369	CALL grille_m( iml_lic, jml_lic, dlon_lic, dlat_lic, fraclic, iim,jjp1, &
370	& rlonv, rlatu, flic_tmp(1:iim,:) )
371	flic_tmp(iip1,:)=flic_tmp(1,:)
372
373	!--- To the physical grid
374	CALL gr_dyn_fi(1, iip1, jjp1, klon, flic_tmp, pctsrf(:,is_lic))
375
376	!--- Adequation with soil/sea mask
377	WHERE(pctsrf(:,is_lic)<EPSFRA) pctsrf(:,is_lic)=0.
378	WHERE(zmasq(:)<EPSFRA) pctsrf(:,is_lic)=0.
379	pctsrf(:,is_ter)=zmasq(:)
380	DO ji=1,klon
381	IF(zmasq(ji)>EPSFRA) THEN
382	IF(pctsrf(ji,is_lic)>=zmasq(ji)) THEN
383	pctsrf(ji,is_lic)=zmasq(ji)
384	pctsrf(ji,is_ter)=0.
385	ELSE
386	pctsrf(ji,is_ter)=zmasq(ji)-pctsrf(ji,is_lic)
387	IF(pctsrf(ji,is_ter)<EPSFRA) THEN
388	pctsrf(ji,is_ter)=0.
389	pctsrf(ji,is_lic)=zmasq(ji)
390	END IF
391	END IF
392	END IF
393	END DO
394
395	! sub-surface ocean and sea ice (sea ice set to zero for start)
396	!*******************************************************************************
397	pctsrf(:,is_oce)=(1.-zmasq(:))
398	WHERE(pctsrf(:,is_oce)<EPSFRA) pctsrf(:,is_oce)=0.
399	IF(couple) pctsrf(:,is_oce)=ocemask_fi(:)
400	isst=0
401	WHERE(pctsrf(2:klon-1,is_oce)>0.) isst=1
402
403	! It is checked that the sub-surfaces sum is equal to 1
404	!*******************************************************************************
405	ji=COUNT((ABS(SUM(pctsrf(:,:),dim=2))-1.0)>EPSFRA)
406	IF(ji/=0) WRITE(lunout,*) 'pb repartition sous maille pour ',ji,' points'
407	CALL gr_fi_ecrit(1, klon, iim, jjp1, zmasq, zx_tmp_2d)
408	! WRITE(fmt,"(i3,')')")iim; fmt='(i'//ADJUSTL(fmt)
409	! WRITE(lunout,*)'zmasq = '
410	! WRITE(lunout,TRIM(fmt))NINT(zx_tmp_2d)
411	CALL gr_fi_dyn(1, klon, iip1, jjp1, zmasq, masque)
412	WRITE(fmt,"(i4,'i1)')")iip1 ; fmt='('//ADJUSTL(fmt)
413	WRITE(lunout,*) 'MASQUE construit : Masque'
414	WRITE(lunout,TRIM(fmt))NINT(masque(:,:))
415
416	! Intermediate computation
417	!*******************************************************************************
418	CALL massdair(p3d,masse)
419	WRITE(lunout,*)' ALPHAX ',alphax
420	DO l=1,llm
421	xppn(:)=aire(1:iim,1 )*masse(1:iim,1 ,l)
422	xpps(:)=aire(1:iim,jjp1)*masse(1:iim,jjp1,l)
423	xpn=SUM(xppn)/apoln
424	xps=SUM(xpps)/apols
425	masse(:,1 ,l)=xpn
426	masse(:,jjp1,l)=xps
427	END DO
428	q3d(iip1,:,:,:)=q3d(1,:,:,:)
429	phis(iip1,:) = phis(1,:)
430
431	IF(.NOT.letat0) RETURN
432
433	! Writing
434	!*******************************************************************************
435	CALL inidissip(lstardis,nitergdiv,nitergrot,niterh,tetagdiv,tetagrot,tetatemp)
436	WRITE(lunout,*)'sortie inidissip'
437	itau=0
438	itau_dyn=0
439	itau_phy=0
440	iday=dayref+itau/day_step
441	time=FLOAT(itau-(iday-dayref)*day_step)/day_step
442	IF(time>1.) THEN
443	time=time-1
444	iday=iday+1
445	END IF
446	day_ref=dayref
447	annee_ref=anneeref
448
449	CALL geopot( ip1jmp1, tpot, pk, pks, phis, phi )
450	WRITE(lunout,*)'sortie geopot'
451
452	CALL caldyn0( itau, uvent, vvent, tpot, psol, masse, pk, phis, &
453	phi, w, pbaru, pbarv, time+iday-dayref)
454	WRITE(lunout,*)'sortie caldyn0'
455	CALL dynredem0( "start.nc", dayref, phis)
456	WRITE(lunout,*)'sortie dynredem0'
457	CALL dynredem1( "start.nc", 0.0, vvent, uvent, tpot, q3d, masse, psol)
458	WRITE(lunout,*)'sortie dynredem1'
459
460	! Physical initial state writting
461	!*******************************************************************************
462	WRITE(lunout,*)'phystep ',dtvr,iphysiq,nbapp_rad
463	phystep = dtvr * FLOAT(iphysiq)
464	radpas = NINT (86400./phystep/ FLOAT(nbapp_rad) )
465	WRITE(lunout,*)'phystep =', phystep, radpas
466
467	! Init: tsol, qsol, sn, evap, tsoil, rain_fall, snow_fall, solsw, sollw, frugs
468	!*******************************************************************************
469	DO i=1,nbsrf; ftsol(:,i) = tsol; END DO
470	DO i=1,nbsrf; snsrf(:,i) = sn; END DO
471	falb1(:,is_ter) = 0.08; falb1(:,is_lic) = 0.6
472	falb1(:,is_oce) = 0.5; falb1(:,is_sic) = 0.6
473	falb2 = falb1
474	evap(:,:) = 0.
475	DO i=1,nbsrf; qsolsrf(:,i)=150.; END DO
476	DO i=1,nbsrf; DO j=1,nsoilmx; tsoil(:,j,i) = tsol; END DO; END DO
477	rain_fall = 0.; snow_fall = 0.
478	solsw = 165.; sollw = -53.
479	t_ancien = 273.15
480	q_ancien = 0.
481	agesno = 0.
482	frugs(:,is_oce) = rugmer(:)
483	frugs(:,is_ter) = MAX(1.0e-05,zstd(:)*zsig(:)/2.0)
484	frugs(:,is_lic) = MAX(1.0e-05,zstd(:)*zsig(:)/2.0)
485	frugs(:,is_sic) = 0.001
486	fder = 0.0
487	clwcon = 0.0
488	rnebcon = 0.0
489	ratqs = 0.0
490	run_off_lic_0 = 0.0
491	rugoro = 0.0
492
493	! Before phyredem calling, surface modules and values to be saved in startphy.nc
494	! are initialized
495	!*******************************************************************************
496	dummy = 1.0
497	pbl_tke(:,:,:) = 1.e-8
498	zmax0(:) = 40.
499	f0(:) = 1.e-5
500	ema_work1(:,:) = 0.
501	ema_work2(:,:) = 0.
502	wake_deltat(:,:) = 0.
503	wake_deltaq(:,:) = 0.
504	wake_s(:) = 0.
505	wake_cstar(:) = 0.
506	wake_fip(:) = 0.
507	wake_pe = 0.
508	fm_therm = 0.
509	entr_therm = 0.
510	detr_therm = 0.
511
512	CALL fonte_neige_init(run_off_lic_0)
513	CALL pbl_surface_init( qsol, fder, snsrf, qsolsrf, evap, frugs, agesno, tsoil )
514	CALL phyredem( "startphy.nc" )
515
516	! WRITE(lunout,*)'CCCCCCCCCCCCCCCCCC REACTIVER SORTIE VISU DANS ETAT0'
517	! WRITE(lunout,*)'entree histclo'
518	CALL histclo()
519
520	#endif
521	!#endif of #ifdef CPP_EARTH
522	RETURN
523
524	END SUBROUTINE etat0_netcdf
525	!
526	!-------------------------------------------------------------------------------

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