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Revision 134 - (show annotations)
Wed Apr 29 15:47:56 2015 UTC (9 years, 1 month ago) by guez
Original Path: trunk/Sources/dyn3d/limit.f
File size: 13909 byte(s)
Sources inside, compilation outside.
1 module limit_mod
2
3 IMPLICIT none
4
5 contains
6
7 SUBROUTINE limit
8
9 ! Authors: L. Fairhead, Z. X. Li, P. Le Van
10
11 ! This subroutine creates files containing boundary conditions.
12 ! It uses files with climatological data.
13 ! Both grids must be regular.
14
15 use comgeom, only: rlonu, rlatv
16 use conf_dat2d_m, only: conf_dat2d
17 use dimens_m, only: iim, jjm
18 use dimphy, only: klon, zmasq
19 use etat0_mod, only: pctsrf
20 use grid_change, only: dyn_phy
21 use indicesol, only: epsfra, nbsrf, is_ter, is_oce, is_lic, is_sic
22 use inter_barxy_m, only: inter_barxy
23 use netcdf95, only: NF95_CLOSE, NF95_CREATE, NF95_DEF_DIM, nf95_def_var, &
24 nf95_enddef, nf95_get_var, nf95_gw_var, nf95_inq_dimid, &
25 nf95_inq_varid, nf95_inquire_dimension, NF95_OPEN, NF95_PUT_ATT, &
26 NF95_PUT_VAR
27 use netcdf, only: NF90_CLOBBER, NF90_FLOAT, NF90_GLOBAL, NF90_NOWRITE, &
28 NF90_UNLIMITED
29 use numer_rec_95, only: spline, splint
30 use start_init_orog_m, only: mask
31 use unit_nml_m, only: unit_nml
32
33 ! Variables local to the procedure:
34
35 LOGICAL:: extrap = .FALSE.
36 ! (extrapolation de données, comme pour les SST lorsque le fichier
37 ! ne contient pas uniquement des points océaniques)
38
39 REAL phy_alb(klon, 360)
40 REAL phy_sst(klon, 360)
41 REAL phy_bil(klon, 360)
42 REAL phy_rug(klon, 360)
43 REAL phy_ice(klon)
44
45 real pctsrf_t(klon, nbsrf, 360) ! composition of the surface
46
47 ! Pour le champ de départ:
48 INTEGER imdep, jmdep, lmdep
49
50 REAL, ALLOCATABLE:: dlon(:), dlat(:)
51 REAL, pointer:: dlon_ini(:), dlat_ini(:), timeyear(:)
52 REAL, ALLOCATABLE:: champ(:, :)
53 REAL, ALLOCATABLE:: work(:, :)
54
55 ! Pour le champ interpolé 3D :
56 REAL, allocatable:: champtime(:, :, :)
57 REAL champan(iim + 1, jjm + 1, 360)
58
59 ! Pour l'inteprolation verticale :
60 REAL, allocatable:: yder(:)
61
62 INTEGER nid, ndim, ntim
63 INTEGER id_tim
64 INTEGER id_SST, id_BILS, id_RUG, id_ALB
65 INTEGER id_FOCE, id_FSIC, id_FTER, id_FLIC
66
67 INTEGER i, j, k, l
68 INTEGER ncid, varid, dimid
69
70 REAL, parameter:: tmidmonth(12) = (/(15. + 30. * i, i = 0, 11)/)
71
72 namelist /limit_nml/extrap
73
74 !--------------------
75
76 print *, "Call sequence information: limit"
77
78 print *, "Enter namelist 'limit_nml'."
79 read(unit=*, nml=limit_nml)
80 write(unit_nml, nml=limit_nml)
81
82 PRINT *, 'Processing rugosity...'
83
84 call NF95_OPEN('Rugos.nc', NF90_NOWRITE, ncid)
85
86 ! Read coordinate variables:
87
88 call nf95_inq_varid(ncid, "longitude", varid)
89 call nf95_gw_var(ncid, varid, dlon_ini)
90 imdep = size(dlon_ini)
91
92 call nf95_inq_varid(ncid, "latitude", varid)
93 call nf95_gw_var(ncid, varid, dlat_ini)
94 jmdep = size(dlat_ini)
95
96 call nf95_inq_varid(ncid, "temps", varid)
97 call nf95_gw_var(ncid, varid, timeyear)
98 lmdep = size(timeyear)
99
100 ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
101 allocate(dlon(imdep), dlat(jmdep))
102 call NF95_INQ_VARID(ncid, 'RUGOS', varid)
103
104 ! Read the primary variable day by day and regrid horizontally,
105 ! result in "champtime":
106 DO l = 1, lmdep
107 call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
108 CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ)
109 CALL inter_barxy(dlon, dlat(:jmdep -1), LOG(champ), rlonu(:iim), &
110 rlatv, champtime(:, :, l))
111 champtime(:, :, l) = EXP(champtime(:, :, l))
112 where (nint(mask(:iim, :)) /= 1) champtime(:, :, l) = 0.001
113 end do
114
115 call NF95_CLOSE(ncid)
116
117 DEALLOCATE(dlon, dlat, champ, dlon_ini, dlat_ini)
118 allocate(yder(lmdep))
119
120 ! Interpolate monthly values to daily values, at each horizontal position:
121 DO j = 1, jjm + 1
122 DO i = 1, iim
123 yder = SPLINE(timeyear, champtime(i, j, :))
124 DO k = 1, 360
125 champan(i, j, k) = SPLINT(timeyear, champtime(i, j, :), yder, &
126 real(k-1))
127 ENDDO
128 ENDDO
129 ENDDO
130
131 deallocate(timeyear, champtime, yder)
132 champan(iim + 1, :, :) = champan(1, :, :)
133 forall (k = 1:360) phy_rug(:, k) = pack(champan(:, :, k), dyn_phy)
134
135 ! Process sea ice:
136
137 PRINT *, 'Processing sea ice...'
138 call NF95_OPEN('amipbc_sic_1x1.nc', NF90_NOWRITE, ncid)
139
140 call nf95_inq_varid(ncid, "longitude", varid)
141 call nf95_gw_var(ncid, varid, dlon_ini)
142 imdep = size(dlon_ini)
143
144 call nf95_inq_varid(ncid, "latitude", varid)
145 call nf95_gw_var(ncid, varid, dlat_ini)
146 jmdep = size(dlat_ini)
147
148 call nf95_inq_dimid(ncid, "time", dimid)
149 call NF95_INQuire_DIMension(ncid, dimid, nclen=lmdep)
150 print *, 'lmdep = ', lmdep
151 ! Coordonnée temporelle fichiers AMIP pas en jours. Ici on suppose
152 ! qu'on a 12 mois (de 30 jours).
153 IF (lmdep /= 12) then
154 print *, 'Unknown AMIP file: not 12 months?'
155 STOP 1
156 end IF
157
158 ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
159 ALLOCATE(dlon(imdep), dlat(jmdep))
160 call NF95_INQ_VARID(ncid, 'sicbcs', varid)
161 DO l = 1, lmdep
162 call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
163 CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ)
164 CALL inter_barxy(dlon, dlat(:jmdep -1), champ, rlonu(:iim), rlatv, &
165 champtime(:, :, l))
166 ENDDO
167
168 call NF95_CLOSE(ncid)
169
170 DEALLOCATE(dlon, dlat, champ, dlon_ini, dlat_ini)
171 PRINT *, 'Interpolation temporelle'
172 allocate(yder(lmdep))
173
174 DO j = 1, jjm + 1
175 DO i = 1, iim
176 yder = SPLINE(tmidmonth, champtime(i, j, :))
177 DO k = 1, 360
178 champan(i, j, k) = SPLINT(tmidmonth, champtime(i, j, :), yder, &
179 real(k-1))
180 ENDDO
181 ENDDO
182 ENDDO
183
184 deallocate(champtime, yder)
185
186 ! Convert from percentage to normal fraction and keep sea ice
187 ! between 0 and 1:
188 champan(:iim, :, :) = max(0., (min(1., (champan(:iim, :, :) / 100.))))
189 champan(iim + 1, :, :) = champan(1, :, :)
190
191 DO k = 1, 360
192 phy_ice = pack(champan(:, :, k), dyn_phy)
193
194 ! (utilisation de la sous-maille fractionnelle tandis que l'ancien
195 ! codage utilisait l'indicateur du sol (0, 1, 2, 3))
196 ! PB en attendant de mettre fraction de terre
197 WHERE (phy_ice < EPSFRA) phy_ice = 0.
198
199 pctsrf_t(:, is_ter, k) = pctsrf(:, is_ter)
200 pctsrf_t(:, is_lic, k) = pctsrf(:, is_lic)
201 pctsrf_t(:, is_sic, k) = max(phy_ice - pctsrf_t(:, is_lic, k), 0.)
202 ! Il y a des cas où il y a de la glace dans landiceref et
203 ! pas dans AMIP
204 WHERE (1. - zmasq < EPSFRA)
205 pctsrf_t(:, is_sic, k) = 0.
206 pctsrf_t(:, is_oce, k) = 0.
207 elsewhere
208 where (pctsrf_t(:, is_sic, k) >= 1 - zmasq)
209 pctsrf_t(:, is_sic, k) = 1. - zmasq
210 pctsrf_t(:, is_oce, k) = 0.
211 ELSEwhere
212 pctsrf_t(:, is_oce, k) = 1. - zmasq - pctsrf_t(:, is_sic, k)
213 where (pctsrf_t(:, is_oce, k) < EPSFRA)
214 pctsrf_t(:, is_oce, k) = 0.
215 pctsrf_t(:, is_sic, k) = 1 - zmasq
216 end where
217 end where
218 end where
219
220 DO i = 1, klon
221 if (pctsrf_t(i, is_oce, k) < 0.) then
222 print *, 'Problème sous maille : pctsrf_t(', i, &
223 ', is_oce, ', k, ') = ', pctsrf_t(i, is_oce, k)
224 ENDIF
225 IF (abs(pctsrf_t(i, is_ter, k) + pctsrf_t(i, is_lic, k) &
226 + pctsrf_t(i, is_oce, k) + pctsrf_t(i, is_sic, k) - 1.) &
227 > EPSFRA) THEN
228 print *, 'Problème sous surface :'
229 print *, "pctsrf_t(", i, ", :, ", k, ") = ", &
230 pctsrf_t(i, :, k)
231 print *, "phy_ice(", i, ") = ", phy_ice(i)
232 ENDIF
233 END DO
234 ENDDO
235
236 PRINT *, 'Traitement de la sst'
237 call NF95_OPEN('amipbc_sst_1x1.nc', NF90_NOWRITE, ncid)
238
239 call nf95_inq_varid(ncid, "longitude", varid)
240 call nf95_gw_var(ncid, varid, dlon_ini)
241 imdep = size(dlon_ini)
242
243 call nf95_inq_varid(ncid, "latitude", varid)
244 call nf95_gw_var(ncid, varid, dlat_ini)
245 jmdep = size(dlat_ini)
246
247 call nf95_inq_dimid(ncid, "time", dimid)
248 call NF95_INQuire_DIMension(ncid, dimid, nclen=lmdep)
249 print *, 'lmdep = ', lmdep
250 !PM28/02/2002 : nouvelle coord temporelle fichiers AMIP pas en jours
251 ! Ici on suppose qu'on a 12 mois (de 30 jours).
252 IF (lmdep /= 12) stop 'Unknown AMIP file: not 12 months?'
253
254 ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
255 IF(extrap) THEN
256 ALLOCATE(work(imdep, jmdep))
257 ENDIF
258 ALLOCATE(dlon(imdep), dlat(jmdep))
259 call NF95_INQ_VARID(ncid, 'tosbcs', varid)
260
261 DO l = 1, lmdep
262 call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
263 CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ)
264 IF (extrap) THEN
265 CALL extrapol(champ, imdep, jmdep, 999999., .TRUE., .TRUE., 2, work)
266 ENDIF
267
268 CALL inter_barxy(dlon, dlat(:jmdep -1), champ, rlonu(:iim), rlatv, &
269 champtime(:, :, l))
270 ENDDO
271
272 call NF95_CLOSE(ncid)
273
274 DEALLOCATE(dlon, dlat, champ, dlon_ini, dlat_ini)
275 allocate(yder(lmdep))
276
277 ! interpolation temporelle
278 DO j = 1, jjm + 1
279 DO i = 1, iim
280 yder = SPLINE(tmidmonth, champtime(i, j, :))
281 DO k = 1, 360
282 champan(i, j, k) = SPLINT(tmidmonth, champtime(i, j, :), yder, &
283 real(k-1))
284 ENDDO
285 ENDDO
286 ENDDO
287
288 deallocate(champtime, yder)
289 champan(iim + 1, :, :) = champan(1, :, :)
290
291 !IM14/03/2002 : SST amipbc greater then 271.38
292 PRINT *, 'SUB. limit_netcdf.F IM : SST Amipbc >= 271.38 '
293 DO k = 1, 360
294 DO j = 1, jjm + 1
295 DO i = 1, iim
296 champan(i, j, k) = amax1(champan(i, j, k), 271.38)
297 ENDDO
298 champan(iim + 1, j, k) = champan(1, j, k)
299 ENDDO
300 ENDDO
301 forall (k = 1:360) phy_sst(:, k) = pack(champan(:, :, k), dyn_phy)
302
303 PRINT *, "Traitement de l'albedo..."
304 call NF95_OPEN('Albedo.nc', NF90_NOWRITE, ncid)
305
306 call nf95_inq_varid(ncid, "longitude", varid)
307 call nf95_gw_var(ncid, varid, dlon_ini)
308 imdep = size(dlon_ini)
309
310 call nf95_inq_varid(ncid, "latitude", varid)
311 call nf95_gw_var(ncid, varid, dlat_ini)
312 jmdep = size(dlat_ini)
313
314 call nf95_inq_varid(ncid, "temps", varid)
315 call nf95_gw_var(ncid, varid, timeyear)
316 lmdep = size(timeyear)
317
318 ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep))
319 ALLOCATE(dlon(imdep), dlat(jmdep))
320 call NF95_INQ_VARID(ncid, 'ALBEDO', varid)
321
322 DO l = 1, lmdep
323 PRINT *, "timeyear(", l, ") =", timeyear(l)
324 call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/))
325 CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ)
326 CALL inter_barxy(dlon, dlat(:jmdep-1), champ, rlonu(:iim), rlatv, &
327 champtime(:, :, l))
328 ENDDO
329
330 call NF95_CLOSE(ncid)
331
332 deallocate(dlon_ini, dlat_ini)
333 allocate(yder(lmdep))
334
335 ! interpolation temporelle
336 DO j = 1, jjm + 1
337 DO i = 1, iim
338 yder = SPLINE(timeyear, champtime(i, j, :))
339 DO k = 1, 360
340 champan(i, j, k) = SPLINT(timeyear, champtime(i, j, :), yder, &
341 real(k-1))
342 ENDDO
343 ENDDO
344 ENDDO
345 deallocate(timeyear)
346
347 champan(iim + 1, :, :) = champan(1, :, :)
348 forall (k = 1:360) phy_alb(:, k) = pack(champan(:, :, k), dyn_phy)
349
350 DO k = 1, 360
351 DO i = 1, klon
352 phy_bil(i, k) = 0.0
353 ENDDO
354 ENDDO
355
356 PRINT *, 'Ecriture du fichier limit.nc...'
357
358 call NF95_CREATE("limit.nc", NF90_CLOBBER, nid)
359
360 call NF95_PUT_ATT(nid, NF90_GLOBAL, "title", &
361 "Fichier conditions aux limites")
362 call NF95_DEF_DIM(nid, "points_physiques", klon, ndim)
363 call NF95_DEF_DIM(nid, "time", NF90_UNLIMITED, ntim)
364
365 call NF95_DEF_VAR(nid, "TEMPS", NF90_FLOAT, ntim, id_tim)
366 call NF95_PUT_ATT(nid, id_tim, "title", "Jour dans l annee")
367
368 call NF95_DEF_VAR(nid, "FOCE", NF90_FLOAT, dimids=(/ndim, ntim/), &
369 varid=id_foce)
370 call NF95_PUT_ATT(nid, id_FOCE, "title", "Fraction ocean")
371
372 call NF95_DEF_VAR(nid, "FSIC", NF90_FLOAT, dimids=(/ndim, ntim/), &
373 varid=id_FSIC)
374 call NF95_PUT_ATT(nid, id_FSIC, "title", "Fraction glace de mer")
375
376 call NF95_DEF_VAR(nid, "FTER", NF90_FLOAT, dimids=(/ndim, ntim/), &
377 varid=id_FTER)
378 call NF95_PUT_ATT(nid, id_FTER, "title", "Fraction terre")
379
380 call NF95_DEF_VAR(nid, "FLIC", NF90_FLOAT, dimids=(/ndim, ntim/), &
381 varid=id_FLIC)
382 call NF95_PUT_ATT(nid, id_FLIC, "title", "Fraction land ice")
383
384 call NF95_DEF_VAR(nid, "SST", NF90_FLOAT, dimids=(/ndim, ntim/), &
385 varid=id_SST)
386 call NF95_PUT_ATT(nid, id_SST, "title", &
387 "Temperature superficielle de la mer")
388
389 call NF95_DEF_VAR(nid, "BILS", NF90_FLOAT, dimids=(/ndim, ntim/), &
390 varid=id_BILS)
391 call NF95_PUT_ATT(nid, id_BILS, "title", "Reference flux de chaleur au sol")
392
393 call NF95_DEF_VAR(nid, "ALB", NF90_FLOAT, dimids=(/ndim, ntim/), &
394 varid=id_ALB)
395 call NF95_PUT_ATT(nid, id_ALB, "title", "Albedo a la surface")
396
397 call NF95_DEF_VAR(nid, "RUG", NF90_FLOAT, dimids=(/ndim, ntim/), &
398 varid=id_RUG)
399 call NF95_PUT_ATT(nid, id_RUG, "title", "Rugosite")
400
401 call NF95_ENDDEF(nid)
402
403 DO k = 1, 360
404 call NF95_PUT_VAR(nid, id_tim, REAL(k), (/k/))
405 call NF95_PUT_VAR(nid, id_FOCE, pctsrf_t(:, is_oce, k), start=(/1, k/))
406 call NF95_PUT_VAR(nid, id_FSIC, pctsrf_t(:, is_sic, k), start=(/1, k/))
407 call NF95_PUT_VAR(nid, id_FTER, pctsrf_t(:, is_ter, k), start=(/1, k/))
408 call NF95_PUT_VAR(nid, id_FLIC, pctsrf_t(:, is_lic, k), start=(/1, k/))
409 call NF95_PUT_VAR(nid, id_SST, phy_sst(:, k), start=(/1, k/))
410 call NF95_PUT_VAR(nid, id_BILS, phy_bil(:, k), start=(/1, k/))
411 call NF95_PUT_VAR(nid, id_ALB, phy_alb(:, k), start=(/1, k/))
412 call NF95_PUT_VAR(nid, id_RUG, phy_rug(:, k), start=(/1, k/))
413 ENDDO
414
415 call NF95_CLOSE(nid)
416
417 END SUBROUTINE limit
418
419 end module limit_mod

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