1 |
! |
2 |
! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/read_reanalyse.F,v 1.3 2005/04/15 12:31:21 lmdzadmin Exp $ |
3 |
! |
4 |
c |
5 |
c |
6 |
subroutine read_reanalyse(timestep,psi |
7 |
s ,u,v,t,q,masse,ps,mode,nlevnc) |
8 |
|
9 |
c mode=0 variables naturelles |
10 |
c mode=1 variabels GCM |
11 |
|
12 |
c ----------------------------------------------------------------- |
13 |
c Declarations |
14 |
c ----------------------------------------------------------------- |
15 |
use dimens_m |
16 |
use paramet_m |
17 |
use comvert |
18 |
use comgeom |
19 |
use guide_m |
20 |
IMPLICIT NONE |
21 |
|
22 |
c common |
23 |
c ------ |
24 |
|
25 |
include "netcdf.inc" |
26 |
|
27 |
|
28 |
c arguments |
29 |
c --------- |
30 |
integer nlevnc |
31 |
integer timestep,mode,l |
32 |
|
33 |
real psi(iip1,jjp1) |
34 |
real u(iip1,jjp1,llm),v(iip1,jjm,llm) |
35 |
real t(iip1,jjp1,llm),ps(iip1,jjp1),q(iip1,jjp1,llm) |
36 |
real masse(iip1,jjp1,llm),pk(iip1,jjp1,llm) |
37 |
|
38 |
|
39 |
c local |
40 |
c ----- |
41 |
integer ncidu,varidu,ncidv,varidv,ncidt,varidt,ncidps,varidps |
42 |
integer ncidpl |
43 |
integer varidpl,ncidQ,varidQ |
44 |
save ncidu,varidu,ncidv,varidv,ncidt,varidt,ncidps,varidps |
45 |
save ncidpl |
46 |
save varidpl,ncidQ,varidQ |
47 |
|
48 |
real*4 unc(iip1,jjp1,nlevnc),vnc(iip1,jjm,nlevnc) |
49 |
real*4 tnc(iip1,jjp1,nlevnc),psnc(iip1,jjp1) |
50 |
real*4 Qnc(iip1,jjp1,nlevnc) |
51 |
real*4 pl(nlevnc) |
52 |
|
53 |
integer start(4),count(4),status |
54 |
|
55 |
real rcode |
56 |
logical first |
57 |
save first |
58 |
|
59 |
data first/.true./ |
60 |
|
61 |
|
62 |
|
63 |
c ----------------------------------------------------------------- |
64 |
c Initialisation de la lecture des fichiers |
65 |
c ----------------------------------------------------------------- |
66 |
if (first) then |
67 |
ncidpl=-99 |
68 |
print*,'Intitialisation de read reanalsye' |
69 |
|
70 |
c Vent zonal |
71 |
if (guide_u) then |
72 |
ncidu=NCOPN('u.nc',NCNOWRIT,rcode) |
73 |
varidu=NCVID(ncidu,'UWND',rcode) |
74 |
print*,'ncidu,varidu',ncidu,varidu |
75 |
if (ncidpl.eq.-99) ncidpl=ncidu |
76 |
endif |
77 |
|
78 |
c Vent meridien |
79 |
if (guide_v) then |
80 |
ncidv=NCOPN('v.nc',NCNOWRIT,rcode) |
81 |
varidv=NCVID(ncidv,'VWND',rcode) |
82 |
print*,'ncidv,varidv',ncidv,varidv |
83 |
if (ncidpl.eq.-99) ncidpl=ncidv |
84 |
endif |
85 |
|
86 |
c Temperature |
87 |
if (guide_T) then |
88 |
ncidt=NCOPN('T.nc',NCNOWRIT,rcode) |
89 |
varidt=NCVID(ncidt,'AIR',rcode) |
90 |
print*,'ncidt,varidt',ncidt,varidt |
91 |
if (ncidpl.eq.-99) ncidpl=ncidt |
92 |
endif |
93 |
|
94 |
c Humidite |
95 |
if (guide_Q) then |
96 |
ncidQ=NCOPN('hur.nc',NCNOWRIT,rcode) |
97 |
varidQ=NCVID(ncidQ,'RH',rcode) |
98 |
print*,'ncidQ,varidQ',ncidQ,varidQ |
99 |
if (ncidpl.eq.-99) ncidpl=ncidQ |
100 |
endif |
101 |
|
102 |
c Pression de surface |
103 |
if (guide_P) then |
104 |
ncidps=NCOPN('ps.nc',NCNOWRIT,rcode) |
105 |
varidps=NCVID(ncidps,'SP',rcode) |
106 |
print*,'ncidps,varidps',ncidps,varidps |
107 |
endif |
108 |
|
109 |
c Coordonnee verticale |
110 |
if (ncep) then |
111 |
print*,'Vous etes entrain de lire des donnees NCEP' |
112 |
varidpl=NCVID(ncidpl,'LEVEL',rcode) |
113 |
else |
114 |
print*,'Vous etes entrain de lire des donnees ECMWF' |
115 |
varidpl=NCVID(ncidpl,'PRESSURE',rcode) |
116 |
endif |
117 |
print*,'ncidu,varidpl',ncidu,varidpl |
118 |
endif |
119 |
print*,'ok1' |
120 |
|
121 |
c Niveaux de pression |
122 |
print*,'WARNING!!! Il n y a pas de test de coherence' |
123 |
print*,'sur le nombre de niveaux verticaux dans le fichier nc' |
124 |
status=NF_GET_VARA_REAL(ncidpl,varidpl,1,nlevnc,pl) |
125 |
c passage en pascal |
126 |
pl(:)=100.*pl(:) |
127 |
if (first) then |
128 |
do l=1,nlevnc |
129 |
print*,'PL(',l,')=',pl(l) |
130 |
enddo |
131 |
endif |
132 |
|
133 |
c ----------------------------------------------------------------- |
134 |
c lecture des champs u, v, T, ps |
135 |
c ----------------------------------------------------------------- |
136 |
|
137 |
c dimensions pour les champs scalaires et le vent zonal |
138 |
c ----------------------------------------------------- |
139 |
|
140 |
start(1)=1 |
141 |
start(2)=1 |
142 |
start(3)=1 |
143 |
start(4)=timestep |
144 |
|
145 |
count(1)=iip1 |
146 |
count(2)=jjp1 |
147 |
count(3)=nlevnc |
148 |
count(4)=1 |
149 |
|
150 |
c mise a zero des tableaux |
151 |
c ------------------------ |
152 |
unc(:,:,:)=0. |
153 |
vnc(:,:,:)=0. |
154 |
tnc(:,:,:)=0. |
155 |
Qnc(:,:,:)=0. |
156 |
|
157 |
c Vent zonal |
158 |
c ---------- |
159 |
|
160 |
if (guide_u) then |
161 |
print*,'avant la lecture de UNCEP nd de niv:',nlevnc |
162 |
status=NF_GET_VARA_REAL(ncidu,varidu,start,count,unc) |
163 |
c call dump2d(iip1,jjp1,unc,'VENT NCEP ') |
164 |
c call dump2d(iip1,40,unc(1,1,nlevnc),'VENT NCEP ') |
165 |
print*,'WARNING!!! Correction bidon pour palier a un ' |
166 |
print*,'probleme dans la creation des fichiers nc' |
167 |
call correctbid(iim,jjp1*nlevnc,unc) |
168 |
call dump2d(iip1,jjp1,unc,'UNC COUCHE 1 ') |
169 |
endif |
170 |
|
171 |
c Temperature |
172 |
c ----------- |
173 |
|
174 |
print*,'ncidt=',ncidt,'varidt=',varidt,'start=',start |
175 |
print*,'count=',count |
176 |
if (guide_T) then |
177 |
status=NF_GET_VARA_REAL(ncidt,varidt,start,count,tnc) |
178 |
call dump2d(iip1,jjp1,tnc,'TNC COUCHE 1 AAA ') |
179 |
call correctbid(iim,jjp1*nlevnc,tnc) |
180 |
call dump2d(iip1,jjp1,tnc,'TNC COUCHE 1 BBB ') |
181 |
endif |
182 |
|
183 |
c Humidite |
184 |
c -------- |
185 |
|
186 |
if (guide_Q) then |
187 |
status=NF_GET_VARA_REAL(ncidQ,varidQ,start,count,Qnc) |
188 |
call correctbid(iim,jjp1*nlevnc,Qnc) |
189 |
call dump2d(iip1,jjp1,Qnc,'QNC COUCHE 1 ') |
190 |
endif |
191 |
|
192 |
count(2)=jjm |
193 |
c Vent meridien |
194 |
c ------------- |
195 |
|
196 |
if (guide_v) then |
197 |
status=NF_GET_VARA_REAL(ncidv,varidv,start,count,vnc) |
198 |
call correctbid(iim,jjm*nlevnc,vnc) |
199 |
call dump2d(iip1,jjm,vnc,'VNC COUCHE 1 ') |
200 |
endif |
201 |
|
202 |
start(3)=timestep |
203 |
start(4)=0 |
204 |
count(2)=jjp1 |
205 |
count(3)=1 |
206 |
count(4)=0 |
207 |
|
208 |
c Pression de surface |
209 |
c ------------------- |
210 |
|
211 |
if (guide_P) then |
212 |
status=NF_GET_VARA_REAL(ncidps,varidps,start,count,psnc) |
213 |
call dump2d(iip1,jjp1,psnc,'PSNC COUCHE 1 ') |
214 |
call correctbid(iim,jjp1,psnc) |
215 |
endif |
216 |
|
217 |
|
218 |
|
219 |
c ----------------------------------------------------------------- |
220 |
c Interpollation verticale sur les niveaux modele |
221 |
c ----------------------------------------------------------------- |
222 |
call reanalyse2nat(nlevnc,psi,unc,vnc,tnc,Qnc,psnc,pl,u,v,t,Q |
223 |
s ,ps,masse,pk) |
224 |
|
225 |
call dump2d(iip1,jjm,v,'V COUCHE APRES ') |
226 |
|
227 |
|
228 |
c ----------------------------------------------------------------- |
229 |
c Passage aux variables du modele (vents covariants, temperature |
230 |
c potentielle et humidite specifique) |
231 |
c ----------------------------------------------------------------- |
232 |
call nat2gcm(u,v,t,Q,pk,u,v,t,Q) |
233 |
print*,'TIMESTEP ',timestep |
234 |
if(mode.ne.1) stop'mode pas egal 0' |
235 |
c call dump2d(iip1,jjm,v,'VCOV COUCHE 1 ') |
236 |
|
237 |
c Lignes introduites a une epoque pour un probleme oublie... |
238 |
c do l=1,llm |
239 |
c do i=1,iip1 |
240 |
c v(i,1,l)=0. |
241 |
c v(i,jjm,l)=0. |
242 |
c enddo |
243 |
c enddo |
244 |
first=.false. |
245 |
|
246 |
return |
247 |
end |
248 |
|
249 |
|
250 |
c=========================================================================== |
251 |
subroutine reanalyse2nat(nlevnc,psi |
252 |
s ,unc,vnc,tnc,qnc,psnc,pl,u,v,t,q |
253 |
s ,ps,masse,pk) |
254 |
c=========================================================================== |
255 |
|
256 |
c ----------------------------------------------------------------- |
257 |
c Inversion Nord/sud de la grille + interpollation sur les niveaux |
258 |
c verticaux du modele. |
259 |
c ----------------------------------------------------------------- |
260 |
|
261 |
use dimens_m |
262 |
use paramet_m |
263 |
use comconst |
264 |
use comvert |
265 |
use comgeom |
266 |
use exner_hyb_m, only: exner_hyb |
267 |
use guide_m |
268 |
use pression_m, only: pression |
269 |
|
270 |
implicit none |
271 |
|
272 |
|
273 |
integer nlevnc |
274 |
real psi(iip1,jjp1) |
275 |
real u(iip1,jjp1,llm),v(iip1,jjm,llm) |
276 |
real t(iip1,jjp1,llm),ps(iip1,jjp1),q(iip1,jjp1,llm) |
277 |
|
278 |
real pl(nlevnc) |
279 |
real unc(iip1,jjp1,nlevnc),vnc(iip1,jjm,nlevnc) |
280 |
real tnc(iip1,jjp1,nlevnc),psnc(iip1,jjp1) |
281 |
real qnc(iip1,jjp1,nlevnc) |
282 |
|
283 |
real zu(iip1,jjp1,llm),zv(iip1,jjm,llm) |
284 |
real zt(iip1,jjp1,llm),zq(iip1,jjp1,llm) |
285 |
|
286 |
real pext(iip1,jjp1,llm) |
287 |
real pbarx(iip1,jjp1,llm),pbary(iip1,jjm,llm) |
288 |
real plunc(iip1,jjp1,llm),plvnc(iip1,jjm,llm) |
289 |
real plsnc(iip1,jjp1,llm) |
290 |
|
291 |
real p(iip1,jjp1,llmp1),pk(iip1,jjp1,llm),pks(iip1,jjp1) |
292 |
real pkf(iip1,jjp1,llm) |
293 |
real masse(iip1,jjp1,llm),pls(iip1,jjp1,llm) |
294 |
real prefkap,unskap |
295 |
|
296 |
|
297 |
integer i,j,l |
298 |
|
299 |
|
300 |
c ----------------------------------------------------------------- |
301 |
c calcul de la pression au milieu des couches. |
302 |
c ----------------------------------------------------------------- |
303 |
|
304 |
CALL pression( ip1jmp1, ap, bp, psi, p ) |
305 |
call massdair(p,masse) |
306 |
CALL exner_hyb(psi,p,pks,pk,pkf) |
307 |
|
308 |
c .... Calcul de pls , pression au milieu des couches ,en Pascals |
309 |
unskap=1./kappa |
310 |
prefkap = preff ** kappa |
311 |
c PRINT *,' Pref kappa unskap ',preff,kappa,unskap |
312 |
DO l = 1, llm |
313 |
DO j=1,jjp1 |
314 |
DO i =1, iip1 |
315 |
pls(i,j,l) = preff * ( pk(i,j,l)/cpp) ** unskap |
316 |
ENDDO |
317 |
ENDDO |
318 |
ENDDO |
319 |
|
320 |
|
321 |
c ----------------------------------------------------------------- |
322 |
c calcul des pressions pour les grilles u et v |
323 |
c ----------------------------------------------------------------- |
324 |
|
325 |
do l=1,llm |
326 |
do j=1,jjp1 |
327 |
do i=1,iip1 |
328 |
pext(i,j,l)=pls(i,j,l)*aire_2d(i,j) |
329 |
enddo |
330 |
enddo |
331 |
enddo |
332 |
call massbar(pext, pbarx, pbary ) |
333 |
do l=1,llm |
334 |
do j=1,jjp1 |
335 |
do i=1,iip1 |
336 |
plunc(i,jjp1+1-j,l)=pbarx(i,j,l)/aireu_2d(i,j) |
337 |
plsnc(i,jjp1+1-j,l)=pls(i,j,l) |
338 |
enddo |
339 |
enddo |
340 |
enddo |
341 |
do l=1,llm |
342 |
do j=1,jjm |
343 |
do i=1,iip1 |
344 |
plvnc(i,jjm+1-j,l)=pbary(i,j,l)/airev_2d(i,j) |
345 |
enddo |
346 |
enddo |
347 |
enddo |
348 |
|
349 |
c ----------------------------------------------------------------- |
350 |
|
351 |
if (guide_P) then |
352 |
do j=1,jjp1 |
353 |
do i=1,iim |
354 |
ps(i,j)=psnc(i,jjp1+1-j) |
355 |
enddo |
356 |
ps(iip1,j)=ps(1,j) |
357 |
enddo |
358 |
endif |
359 |
|
360 |
|
361 |
c ----------------------------------------------------------------- |
362 |
call pres2lev(unc,zu,nlevnc,llm,pl,plunc,iip1,jjp1) |
363 |
call pres2lev(vnc,zv,nlevnc,llm,pl,plvnc,iip1,jjm ) |
364 |
call pres2lev(tnc,zt,nlevnc,llm,pl,plsnc,iip1,jjp1) |
365 |
call pres2lev(qnc,zq,nlevnc,llm,pl,plsnc,iip1,jjp1) |
366 |
|
367 |
c call dump2d(iip1,jjp1,ps,'PS ') |
368 |
c call dump2d(iip1,jjp1,psu,'PS ') |
369 |
c call dump2d(iip1,jjm,psv,'PS ') |
370 |
c Inversion Nord/Sud |
371 |
do l=1,llm |
372 |
do j=1,jjp1 |
373 |
do i=1,iim |
374 |
u(i,j,l)=zu(i,jjp1+1-j,l) |
375 |
t(i,j,l)=zt(i,jjp1+1-j,l) |
376 |
q(i,j,l)=zq(i,jjp1+1-j,l) |
377 |
enddo |
378 |
u(iip1,j,l)=u(1,j,l) |
379 |
t(iip1,j,l)=t(1,j,l) |
380 |
q(iip1,j,l)=q(1,j,l) |
381 |
enddo |
382 |
enddo |
383 |
|
384 |
do l=1,llm |
385 |
do j=1,jjm |
386 |
do i=1,iim |
387 |
v(i,j,l)=zv(i,jjm+1-j,l) |
388 |
enddo |
389 |
v(iip1,j,l)=v(1,j,l) |
390 |
enddo |
391 |
enddo |
392 |
|
393 |
return |
394 |
end |
395 |
|
396 |
c=========================================================================== |
397 |
subroutine nat2gcm(u,v,t,rh,pk,ucov,vcov,teta,q) |
398 |
c=========================================================================== |
399 |
|
400 |
use dimens_m |
401 |
use paramet_m |
402 |
use comconst |
403 |
use comvert |
404 |
use comgeom |
405 |
use q_sat_m, only: q_sat |
406 |
use guide_m |
407 |
implicit none |
408 |
|
409 |
|
410 |
real u(iip1,jjp1,llm),v(iip1,jjm,llm) |
411 |
real t(iip1,jjp1,llm),pk(iip1,jjp1,llm),rh(iip1,jjp1,llm) |
412 |
real ps(iip1,jjp1) |
413 |
|
414 |
real ucov(iip1,jjp1,llm),vcov(iip1,jjm,llm) |
415 |
real teta(iip1,jjp1,llm),q(iip1,jjp1,llm) |
416 |
|
417 |
real pres(iip1,jjp1,llm),qsat(iip1,jjp1,llm) |
418 |
|
419 |
real unskap |
420 |
|
421 |
integer i,j,l |
422 |
|
423 |
|
424 |
print*,'Entree dans nat2gcm' |
425 |
c ucov(:,:,:)=0. |
426 |
c do l=1,llm |
427 |
c ucov(:,2:jjm,l)=u(:,2:jjm,l)*cu_2d(:,2:jjm) |
428 |
c enddo |
429 |
c ucov(iip1,:,:)=ucov(1,:,:) |
430 |
|
431 |
c teta(:,:,:)=t(:,:,:)*cpp/pk(:,:,:) |
432 |
c teta(iip1,:,:)=teta(1,:,:) |
433 |
|
434 |
c calcul de ucov et de la temperature potentielle |
435 |
do l=1,llm |
436 |
do j=1,jjp1 |
437 |
do i=1,iim |
438 |
ucov(i,j,l)=u(i,j,l)*cu_2d(i,j) |
439 |
teta(i,j,l)=t(i,j,l)*cpp/pk(i,j,l) |
440 |
enddo |
441 |
ucov(iip1,j,l)=ucov(1,j,l) |
442 |
teta(iip1,j,l)=teta(1,j,l) |
443 |
enddo |
444 |
do i=1,iip1 |
445 |
ucov(i,1,l)=0. |
446 |
ucov(i,jjp1,l)=0. |
447 |
teta(i,1,l)=teta(1,1,l) |
448 |
teta(i,jjp1,l)=teta(1,jjp1,l) |
449 |
enddo |
450 |
enddo |
451 |
|
452 |
c calcul de ucov |
453 |
do l=1,llm |
454 |
do j=1,jjm |
455 |
do i=1,iim |
456 |
vcov(i,j,l)=v(i,j,l)*cv_2d(i,j) |
457 |
enddo |
458 |
vcov(iip1,j,l)=vcov(1,j,l) |
459 |
enddo |
460 |
enddo |
461 |
|
462 |
c call dump2d(iip1,jjp1,teta,'TETA EN BAS ') |
463 |
c call dump2d(iip1,jjp1,teta(1,1,llm),'TETA EN HAUT ') |
464 |
|
465 |
c Humidite relative -> specifique |
466 |
c ------------------------------- |
467 |
if (1.eq.0) then |
468 |
c FINALEMENT ON GUIDE EN HUMIDITE RELATIVE |
469 |
print*,'calcul de unskap' |
470 |
unskap = 1./ kappa |
471 |
print*,'calcul de pres' |
472 |
pres(:,:,:)=preff*(pk(:,:,:)/cpp)**unskap |
473 |
print*,'calcul de qsat' |
474 |
qsat = q_sat(t, pres) |
475 |
print*,'calcul de q' |
476 |
c ATTENTION : humidites relatives en % |
477 |
rh(:,:,:)=max(rh(:,:,:)*0.01,1.e-6) |
478 |
q(:,:,:)=qsat(:,:,:)*rh(:,:,:) |
479 |
print*,'calcul de q OK' |
480 |
|
481 |
call dump2d(iip1,jjp1,pres,'PRESSION PREMIERE COUCHE ') |
482 |
call dump2d(iip1,jjp1,q,'HUMIDITE SPECIFIQUE COUCHE 1 ') |
483 |
endif |
484 |
|
485 |
|
486 |
return |
487 |
end |
488 |
|
489 |
|
490 |
|
491 |
c=========================================================================== |
492 |
subroutine correctbid(iim,nl,x) |
493 |
c=========================================================================== |
494 |
integer iim,nl |
495 |
real x(iim+1,nl) |
496 |
integer i,l |
497 |
real zz |
498 |
|
499 |
do l=1,nl |
500 |
do i=2,iim-1 |
501 |
if(abs(x(i,l)).gt.1.e10) then |
502 |
zz=0.5*(x(i-1,l)+x(i+1,l)) |
503 |
c print*,'correction ',i,l,x(i,l),zz |
504 |
x(i,l)=zz |
505 |
endif |
506 |
enddo |
507 |
enddo |
508 |
return |
509 |
end |