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: handle_err, NF95_CLOSE, NF95_CREATE, NF95_DEF_DIM, & |
24 |
nf95_enddef, nf95_get_var, nf95_gw_var, nf95_inq_dimid, & |
25 |
nf95_inq_varid, nf95_inquire_dimension, NF95_OPEN |
26 |
use netcdf, only: NF90_CLOBBER, nf90_def_var, NF90_FLOAT, NF90_GLOBAL, & |
27 |
NF90_NOWRITE, NF90_PUT_ATT, NF90_PUT_VAR, NF90_UNLIMITED |
28 |
use numer_rec_95, only: spline, splint |
29 |
use start_init_orog_m, only: mask |
30 |
use unit_nml_m, only: unit_nml |
31 |
|
32 |
! Variables local to the procedure: |
33 |
|
34 |
LOGICAL:: extrap = .FALSE. |
35 |
! (extrapolation de données, comme pour les SST lorsque le fichier |
36 |
! ne contient pas uniquement des points océaniques) |
37 |
|
38 |
REAL phy_alb(klon, 360) |
39 |
REAL phy_sst(klon, 360) |
40 |
REAL phy_bil(klon, 360) |
41 |
REAL phy_rug(klon, 360) |
42 |
REAL phy_ice(klon) |
43 |
|
44 |
real pctsrf_t(klon, nbsrf, 360) ! composition of the surface |
45 |
|
46 |
! Pour le champ de départ: |
47 |
INTEGER imdep, jmdep, lmdep |
48 |
|
49 |
REAL, ALLOCATABLE:: dlon(:), dlat(:) |
50 |
REAL, pointer:: dlon_ini(:), dlat_ini(:), timeyear(:) |
51 |
REAL, ALLOCATABLE:: champ(:, :) |
52 |
REAL, ALLOCATABLE:: work(:, :) |
53 |
|
54 |
! Pour le champ interpolé 3D : |
55 |
REAL, allocatable:: champtime(:, :, :) |
56 |
REAL champan(iim + 1, jjm + 1, 360) |
57 |
|
58 |
! Pour l'inteprolation verticale : |
59 |
REAL, allocatable:: yder(:) |
60 |
|
61 |
INTEGER ierr |
62 |
|
63 |
INTEGER nid, ndim, ntim |
64 |
INTEGER dims(2), debut(2) |
65 |
INTEGER id_tim |
66 |
INTEGER id_SST, id_BILS, id_RUG, id_ALB |
67 |
INTEGER id_FOCE, id_FSIC, id_FTER, id_FLIC |
68 |
|
69 |
INTEGER i, j, k, l |
70 |
INTEGER ncid, varid, dimid |
71 |
|
72 |
REAL, parameter:: tmidmonth(12) = (/(15. + 30. * i, i = 0, 11)/) |
73 |
|
74 |
namelist /limit_nml/extrap |
75 |
|
76 |
!-------------------- |
77 |
|
78 |
print *, "Call sequence information: limit" |
79 |
|
80 |
print *, "Enter namelist 'limit_nml'." |
81 |
read (unit=*, nml=limit_nml) |
82 |
write(unit_nml, nml=limit_nml) |
83 |
|
84 |
PRINT *, 'Processing rugosity...' |
85 |
|
86 |
call NF95_OPEN('Rugos.nc', NF90_NOWRITE, ncid) |
87 |
|
88 |
! Read coordinate variables: |
89 |
|
90 |
call nf95_inq_varid(ncid, "longitude", varid) |
91 |
call nf95_gw_var(ncid, varid, dlon_ini) |
92 |
imdep = size(dlon_ini) |
93 |
|
94 |
call nf95_inq_varid(ncid, "latitude", varid) |
95 |
call nf95_gw_var(ncid, varid, dlat_ini) |
96 |
jmdep = size(dlat_ini) |
97 |
|
98 |
call nf95_inq_varid(ncid, "temps", varid) |
99 |
call nf95_gw_var(ncid, varid, timeyear) |
100 |
lmdep = size(timeyear) |
101 |
|
102 |
ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep)) |
103 |
allocate(dlon(imdep), dlat(jmdep)) |
104 |
call NF95_INQ_VARID(ncid, 'RUGOS', varid) |
105 |
|
106 |
! Read the primary variable day by day and regrid horizontally, |
107 |
! result in "champtime": |
108 |
DO l = 1, lmdep |
109 |
call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/)) |
110 |
CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ) |
111 |
CALL inter_barxy(dlon, dlat(:jmdep -1), LOG(champ), rlonu(:iim), & |
112 |
rlatv, champtime(:, :, l)) |
113 |
champtime(:, :, l) = EXP(champtime(:, :, l)) |
114 |
where (nint(mask(:iim, :)) /= 1) champtime(:, :, l) = 0.001 |
115 |
end do |
116 |
|
117 |
call NF95_CLOSE(ncid) |
118 |
|
119 |
DEALLOCATE(dlon, dlat, champ, dlon_ini, dlat_ini) |
120 |
allocate(yder(lmdep)) |
121 |
|
122 |
! Interpolate monthly values to daily values, at each horizontal position: |
123 |
DO j = 1, jjm + 1 |
124 |
DO i = 1, iim |
125 |
yder = SPLINE(timeyear, champtime(i, j, :)) |
126 |
DO k = 1, 360 |
127 |
champan(i, j, k) = SPLINT(timeyear, champtime(i, j, :), yder, & |
128 |
real(k-1)) |
129 |
ENDDO |
130 |
ENDDO |
131 |
ENDDO |
132 |
|
133 |
deallocate(timeyear, champtime, yder) |
134 |
champan(iim + 1, :, :) = champan(1, :, :) |
135 |
forall (k = 1:360) phy_rug(:, k) = pack(champan(:, :, k), dyn_phy) |
136 |
|
137 |
! Process sea ice: |
138 |
|
139 |
PRINT *, 'Processing sea ice...' |
140 |
call NF95_OPEN('amipbc_sic_1x1.nc', NF90_NOWRITE, ncid) |
141 |
|
142 |
call nf95_inq_varid(ncid, "longitude", varid) |
143 |
call nf95_gw_var(ncid, varid, dlon_ini) |
144 |
imdep = size(dlon_ini) |
145 |
|
146 |
call nf95_inq_varid(ncid, "latitude", varid) |
147 |
call nf95_gw_var(ncid, varid, dlat_ini) |
148 |
jmdep = size(dlat_ini) |
149 |
|
150 |
call nf95_inq_dimid(ncid, "time", dimid) |
151 |
call NF95_INQuire_DIMension(ncid, dimid, nclen=lmdep) |
152 |
print *, 'lmdep = ', lmdep |
153 |
! Coordonnée temporelle fichiers AMIP pas en jours. Ici on suppose |
154 |
! qu'on a 12 mois (de 30 jours). |
155 |
IF (lmdep /= 12) then |
156 |
print *, 'Unknown AMIP file: not 12 months?' |
157 |
STOP 1 |
158 |
end IF |
159 |
|
160 |
ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep)) |
161 |
ALLOCATE (dlon(imdep), dlat(jmdep)) |
162 |
call NF95_INQ_VARID(ncid, 'sicbcs', varid) |
163 |
DO l = 1, lmdep |
164 |
call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/)) |
165 |
CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ) |
166 |
CALL inter_barxy (dlon, dlat(:jmdep -1), champ, rlonu(:iim), rlatv, & |
167 |
champtime(:, :, l)) |
168 |
ENDDO |
169 |
|
170 |
call NF95_CLOSE(ncid) |
171 |
|
172 |
DEALLOCATE(dlon, dlat, champ, dlon_ini, dlat_ini) |
173 |
PRINT *, 'Interpolation temporelle' |
174 |
allocate(yder(lmdep)) |
175 |
|
176 |
DO j = 1, jjm + 1 |
177 |
DO i = 1, iim |
178 |
yder = SPLINE(tmidmonth, champtime(i, j, :)) |
179 |
DO k = 1, 360 |
180 |
champan(i, j, k) = SPLINT(tmidmonth, champtime(i, j, :), yder, & |
181 |
real(k-1)) |
182 |
ENDDO |
183 |
ENDDO |
184 |
ENDDO |
185 |
|
186 |
deallocate(champtime, yder) |
187 |
|
188 |
! Convert from percentage to normal fraction and keep sea ice |
189 |
! between 0 and 1: |
190 |
champan(:iim, :, :) = max(0., (min(1., (champan(:iim, :, :) / 100.)))) |
191 |
champan(iim + 1, :, :) = champan(1, :, :) |
192 |
|
193 |
DO k = 1, 360 |
194 |
phy_ice = pack(champan(:, :, k), dyn_phy) |
195 |
|
196 |
! (utilisation de la sous-maille fractionnelle tandis que l'ancien |
197 |
! codage utilisait l'indicateur du sol (0, 1, 2, 3)) |
198 |
! PB en attendant de mettre fraction de terre |
199 |
WHERE (phy_ice < EPSFRA) phy_ice = 0. |
200 |
|
201 |
pctsrf_t(:, is_ter, k) = pctsrf(:, is_ter) |
202 |
pctsrf_t(:, is_lic, k) = pctsrf(:, is_lic) |
203 |
pctsrf_t(:, is_sic, k) = max(phy_ice - pctsrf_t(:, is_lic, k), 0.) |
204 |
! Il y a des cas où il y a de la glace dans landiceref et |
205 |
! pas dans AMIP |
206 |
WHERE (1. - zmasq < EPSFRA) |
207 |
pctsrf_t(:, is_sic, k) = 0. |
208 |
pctsrf_t(:, is_oce, k) = 0. |
209 |
elsewhere |
210 |
where (pctsrf_t(:, is_sic, k) >= 1 - zmasq) |
211 |
pctsrf_t(:, is_sic, k) = 1. - zmasq |
212 |
pctsrf_t(:, is_oce, k) = 0. |
213 |
ELSEwhere |
214 |
pctsrf_t(:, is_oce, k) = 1. - zmasq - pctsrf_t(:, is_sic, k) |
215 |
where (pctsrf_t(:, is_oce, k) < EPSFRA) |
216 |
pctsrf_t(:, is_oce, k) = 0. |
217 |
pctsrf_t(:, is_sic, k) = 1 - zmasq |
218 |
end where |
219 |
end where |
220 |
end where |
221 |
|
222 |
DO i = 1, klon |
223 |
if (pctsrf_t(i, is_oce, k) < 0.) then |
224 |
print *, 'Problème sous maille : pctsrf_t(', i, & |
225 |
', is_oce, ', k, ') = ', pctsrf_t(i, is_oce, k) |
226 |
ENDIF |
227 |
IF (abs(pctsrf_t(i, is_ter, k) + pctsrf_t(i, is_lic, k) & |
228 |
+ pctsrf_t(i, is_oce, k) + pctsrf_t(i, is_sic, k) - 1.) & |
229 |
> EPSFRA) THEN |
230 |
print *, 'Problème sous surface :' |
231 |
print *, "pctsrf_t(", i, ", :, ", k, ") = ", & |
232 |
pctsrf_t(i, :, k) |
233 |
print *, "phy_ice(", i, ") = ", phy_ice(i) |
234 |
ENDIF |
235 |
END DO |
236 |
ENDDO |
237 |
|
238 |
PRINT *, 'Traitement de la sst' |
239 |
call NF95_OPEN('amipbc_sst_1x1.nc', NF90_NOWRITE, ncid) |
240 |
|
241 |
call nf95_inq_varid(ncid, "longitude", varid) |
242 |
call nf95_gw_var(ncid, varid, dlon_ini) |
243 |
imdep = size(dlon_ini) |
244 |
|
245 |
call nf95_inq_varid(ncid, "latitude", varid) |
246 |
call nf95_gw_var(ncid, varid, dlat_ini) |
247 |
jmdep = size(dlat_ini) |
248 |
|
249 |
call nf95_inq_dimid(ncid, "time", dimid) |
250 |
call NF95_INQuire_DIMension(ncid, dimid, nclen=lmdep) |
251 |
print *, 'lmdep = ', lmdep |
252 |
!PM28/02/2002 : nouvelle coord temporelle fichiers AMIP pas en jours |
253 |
! Ici on suppose qu'on a 12 mois (de 30 jours). |
254 |
IF (lmdep /= 12) stop 'Unknown AMIP file: not 12 months?' |
255 |
|
256 |
ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep)) |
257 |
IF(extrap) THEN |
258 |
ALLOCATE (work(imdep, jmdep)) |
259 |
ENDIF |
260 |
ALLOCATE(dlon(imdep), dlat(jmdep)) |
261 |
call NF95_INQ_VARID(ncid, 'tosbcs', varid) |
262 |
|
263 |
DO l = 1, lmdep |
264 |
call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/)) |
265 |
CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ) |
266 |
IF (extrap) THEN |
267 |
CALL extrapol(champ, imdep, jmdep, 999999., .TRUE., .TRUE., 2, work) |
268 |
ENDIF |
269 |
|
270 |
CALL inter_barxy (dlon, dlat(:jmdep -1), champ, rlonu(:iim), rlatv, & |
271 |
champtime(:, :, l)) |
272 |
ENDDO |
273 |
|
274 |
call NF95_CLOSE(ncid) |
275 |
|
276 |
DEALLOCATE(dlon, dlat, champ, dlon_ini, dlat_ini) |
277 |
allocate(yder(lmdep)) |
278 |
|
279 |
! interpolation temporelle |
280 |
DO j = 1, jjm + 1 |
281 |
DO i = 1, iim |
282 |
yder = SPLINE(tmidmonth, champtime(i, j, :)) |
283 |
DO k = 1, 360 |
284 |
champan(i, j, k) = SPLINT(tmidmonth, champtime(i, j, :), yder, & |
285 |
real(k-1)) |
286 |
ENDDO |
287 |
ENDDO |
288 |
ENDDO |
289 |
|
290 |
deallocate(champtime, yder) |
291 |
champan(iim + 1, :, :) = champan(1, :, :) |
292 |
|
293 |
!IM14/03/2002 : SST amipbc greater then 271.38 |
294 |
PRINT *, 'SUB. limit_netcdf.F IM : SST Amipbc >= 271.38 ' |
295 |
DO k = 1, 360 |
296 |
DO j = 1, jjm + 1 |
297 |
DO i = 1, iim |
298 |
champan(i, j, k) = amax1(champan(i, j, k), 271.38) |
299 |
ENDDO |
300 |
champan(iim + 1, j, k) = champan(1, j, k) |
301 |
ENDDO |
302 |
ENDDO |
303 |
forall (k = 1:360) phy_sst(:, k) = pack(champan(:, :, k), dyn_phy) |
304 |
|
305 |
PRINT *, "Traitement de l'albedo..." |
306 |
call NF95_OPEN('Albedo.nc', NF90_NOWRITE, ncid) |
307 |
|
308 |
call nf95_inq_varid(ncid, "longitude", varid) |
309 |
call nf95_gw_var(ncid, varid, dlon_ini) |
310 |
imdep = size(dlon_ini) |
311 |
|
312 |
call nf95_inq_varid(ncid, "latitude", varid) |
313 |
call nf95_gw_var(ncid, varid, dlat_ini) |
314 |
jmdep = size(dlat_ini) |
315 |
|
316 |
call nf95_inq_varid(ncid, "temps", varid) |
317 |
call nf95_gw_var(ncid, varid, timeyear) |
318 |
lmdep = size(timeyear) |
319 |
|
320 |
ALLOCATE (champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep)) |
321 |
ALLOCATE (dlon(imdep), dlat(jmdep)) |
322 |
call NF95_INQ_VARID(ncid, 'ALBEDO', varid) |
323 |
|
324 |
DO l = 1, lmdep |
325 |
PRINT *, "timeyear(", l, ") =", timeyear(l) |
326 |
call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/)) |
327 |
CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ) |
328 |
CALL inter_barxy(dlon, dlat(:jmdep-1), champ, rlonu(:iim), rlatv, & |
329 |
champtime(:, :, l)) |
330 |
ENDDO |
331 |
|
332 |
call NF95_CLOSE(ncid) |
333 |
|
334 |
deallocate(dlon_ini, dlat_ini) |
335 |
allocate(yder(lmdep)) |
336 |
|
337 |
! interpolation temporelle |
338 |
DO j = 1, jjm + 1 |
339 |
DO i = 1, iim |
340 |
yder = SPLINE(timeyear, champtime(i, j, :)) |
341 |
DO k = 1, 360 |
342 |
champan(i, j, k) = SPLINT(timeyear, champtime(i, j, :), yder, & |
343 |
real(k-1)) |
344 |
ENDDO |
345 |
ENDDO |
346 |
ENDDO |
347 |
deallocate(timeyear) |
348 |
|
349 |
champan(iim + 1, :, :) = champan(1, :, :) |
350 |
forall (k = 1:360) phy_alb(:, k) = pack(champan(:, :, k), dyn_phy) |
351 |
|
352 |
DO k = 1, 360 |
353 |
DO i = 1, klon |
354 |
phy_bil(i, k) = 0.0 |
355 |
ENDDO |
356 |
ENDDO |
357 |
|
358 |
PRINT *, 'Ecriture du fichier limit' |
359 |
|
360 |
call NF95_CREATE("limit.nc", NF90_CLOBBER, nid) |
361 |
|
362 |
ierr = NF90_PUT_ATT(nid, NF90_GLOBAL, "title", & |
363 |
"Fichier conditions aux limites") |
364 |
call NF95_DEF_DIM (nid, "points_physiques", klon, ndim) |
365 |
call NF95_DEF_DIM (nid, "time", NF90_UNLIMITED, ntim) |
366 |
|
367 |
dims(1) = ndim |
368 |
dims(2) = ntim |
369 |
|
370 |
ierr = NF90_DEF_VAR (nid, "TEMPS", NF90_FLOAT, ntim, id_tim) |
371 |
ierr = NF90_PUT_ATT (nid, id_tim, "title", "Jour dans l annee") |
372 |
ierr = NF90_DEF_VAR (nid, "FOCE", NF90_FLOAT, dims, id_FOCE) |
373 |
ierr = NF90_PUT_ATT (nid, id_FOCE, "title", "Fraction ocean") |
374 |
|
375 |
ierr = NF90_DEF_VAR (nid, "FSIC", NF90_FLOAT, dims, id_FSIC) |
376 |
ierr = NF90_PUT_ATT (nid, id_FSIC, "title", "Fraction glace de mer") |
377 |
|
378 |
ierr = NF90_DEF_VAR (nid, "FTER", NF90_FLOAT, dims, id_FTER) |
379 |
ierr = NF90_PUT_ATT (nid, id_FTER, "title", "Fraction terre") |
380 |
|
381 |
ierr = NF90_DEF_VAR (nid, "FLIC", NF90_FLOAT, dims, id_FLIC) |
382 |
ierr = NF90_PUT_ATT (nid, id_FLIC, "title", "Fraction land ice") |
383 |
|
384 |
ierr = NF90_DEF_VAR (nid, "SST", NF90_FLOAT, dims, id_SST) |
385 |
ierr = NF90_PUT_ATT (nid, id_SST, "title", & |
386 |
"Temperature superficielle de la mer") |
387 |
ierr = NF90_DEF_VAR (nid, "BILS", NF90_FLOAT, dims, id_BILS) |
388 |
ierr = NF90_PUT_ATT (nid, id_BILS, "title", & |
389 |
"Reference flux de chaleur au sol") |
390 |
ierr = NF90_DEF_VAR (nid, "ALB", NF90_FLOAT, dims, id_ALB) |
391 |
ierr = NF90_PUT_ATT (nid, id_ALB, "title", "Albedo a la surface") |
392 |
ierr = NF90_DEF_VAR (nid, "RUG", NF90_FLOAT, dims, id_RUG) |
393 |
ierr = NF90_PUT_ATT (nid, id_RUG, "title", "Rugosite") |
394 |
|
395 |
call NF95_ENDDEF(nid) |
396 |
|
397 |
DO k = 1, 360 |
398 |
debut(1) = 1 |
399 |
debut(2) = k |
400 |
|
401 |
ierr = NF90_PUT_VAR(nid, id_tim, REAL(k), (/k/)) |
402 |
ierr = NF90_PUT_VAR(nid, id_FOCE, pctsrf_t(:, is_oce, k), debut) |
403 |
ierr = NF90_PUT_VAR (nid, id_FSIC, pctsrf_t(:, is_sic, k), debut) |
404 |
ierr = NF90_PUT_VAR (nid, id_FTER, pctsrf_t(:, is_ter, k), debut) |
405 |
ierr = NF90_PUT_VAR (nid, id_FLIC, pctsrf_t(:, is_lic, k), debut) |
406 |
ierr = NF90_PUT_VAR (nid, id_SST, phy_sst(:, k), debut) |
407 |
ierr = NF90_PUT_VAR (nid, id_BILS, phy_bil(:, k), debut) |
408 |
ierr = NF90_PUT_VAR (nid, id_ALB, phy_alb(:, k), debut) |
409 |
ierr = NF90_PUT_VAR (nid, id_RUG, phy_rug(:, k), debut) |
410 |
ENDDO |
411 |
|
412 |
call NF95_CLOSE(nid) |
413 |
|
414 |
END SUBROUTINE limit |
415 |
|
416 |
end module limit_mod |