1 |
guez |
3 |
module etat0_mod |
2 |
|
|
|
3 |
|
|
use indicesol, only: nbsrf |
4 |
|
|
use dimphy, only: klon |
5 |
|
|
|
6 |
|
|
IMPLICIT NONE |
7 |
|
|
|
8 |
|
|
REAL pctsrf(klon, nbsrf) |
9 |
guez |
15 |
! ("pctsrf(i, :)" is the composition of the surface at horizontal |
10 |
|
|
! position "i") |
11 |
guez |
3 |
|
12 |
|
|
private nbsrf, klon |
13 |
|
|
|
14 |
|
|
contains |
15 |
|
|
|
16 |
|
|
SUBROUTINE etat0 |
17 |
|
|
|
18 |
|
|
! From "etat0_netcdf.F", version 1.3 2005/05/25 13:10:09 |
19 |
|
|
|
20 |
guez |
15 |
! This subroutine creates "mask". |
21 |
guez |
3 |
|
22 |
guez |
27 |
use caldyn0_m, only: caldyn0 |
23 |
guez |
39 |
use comconst, only: dtvr, daysec, cpp, kappa |
24 |
guez |
27 |
use comgeom, only: rlatu, rlonv, rlonu, rlatv, aire_2d, apoln, apols, & |
25 |
|
|
cu_2d, cv_2d |
26 |
guez |
3 |
use comvert, only: ap, bp, preff, pa |
27 |
guez |
27 |
use conf_gcm_m, only: day_step, iphysiq, dayref, anneeref |
28 |
|
|
use dimens_m, only: iim, jjm, llm, nqmx |
29 |
guez |
3 |
use dimphy, only: zmasq |
30 |
|
|
use dimsoil, only: nsoilmx |
31 |
guez |
27 |
use dynredem0_m, only: dynredem0 |
32 |
|
|
use dynredem1_m, only: dynredem1 |
33 |
|
|
use exner_hyb_m, only: exner_hyb |
34 |
guez |
39 |
USE flincom, only: flinclo, flinopen_nozoom, flininfo |
35 |
|
|
use flinget_m, only: flinget |
36 |
guez |
43 |
use geopot_m, only: geopot |
37 |
guez |
3 |
use grid_atob, only: grille_m |
38 |
|
|
use grid_change, only: init_dyn_phy, dyn_phy |
39 |
guez |
39 |
use histcom, only: histclo |
40 |
guez |
27 |
use indicesol, only: is_oce, is_sic, is_ter, is_lic, epsfra |
41 |
guez |
18 |
use iniadvtrac_m, only: iniadvtrac |
42 |
guez |
27 |
use inidissip_m, only: inidissip |
43 |
|
|
use inigeom_m, only: inigeom |
44 |
guez |
39 |
use nr_util, only: pi |
45 |
guez |
27 |
use paramet_m, only: ip1jm, ip1jmp1 |
46 |
|
|
use phyredem_m, only: phyredem |
47 |
guez |
10 |
use pressure_var, only: pls, p3d |
48 |
guez |
27 |
use q_sat_m, only: q_sat |
49 |
guez |
7 |
use regr_lat_time_coefoz_m, only: regr_lat_time_coefoz |
50 |
|
|
use regr_pr_o3_m, only: regr_pr_o3 |
51 |
guez |
27 |
use serre, only: alphax |
52 |
|
|
USE start_init_orog_m, only: start_init_orog, mask, phis |
53 |
guez |
43 |
use start_init_phys_m, only: start_init_phys |
54 |
guez |
27 |
use startdyn, only: start_inter_3d, start_init_dyn |
55 |
guez |
28 |
use temps, only: itau_phy, annee_ref, day_ref |
56 |
guez |
3 |
|
57 |
|
|
! Variables local to the procedure: |
58 |
|
|
|
59 |
|
|
REAL latfi(klon), lonfi(klon) |
60 |
|
|
! (latitude and longitude of a point of the scalar grid identified |
61 |
|
|
! by a simple index, in °) |
62 |
|
|
|
63 |
|
|
REAL, dimension(iim + 1, jjm + 1, llm):: uvent, t3d, tpot |
64 |
|
|
REAL vvent(iim + 1, jjm, llm) |
65 |
|
|
|
66 |
|
|
REAL q3d(iim + 1, jjm + 1, llm, nqmx) |
67 |
|
|
! (mass fractions of trace species |
68 |
|
|
! "q3d(i, j, l)" is at longitude "rlonv(i)", latitude "rlatu(j)" |
69 |
|
|
! and pressure level "pls(i, j, l)".) |
70 |
|
|
|
71 |
|
|
real qsat(iim + 1, jjm + 1, llm) ! mass fraction of saturating water vapor |
72 |
|
|
REAL tsol(klon), qsol(klon), sn(klon) |
73 |
|
|
REAL tsolsrf(klon, nbsrf), qsolsrf(klon, nbsrf), snsrf(klon, nbsrf) |
74 |
|
|
REAL albe(klon, nbsrf), evap(klon, nbsrf) |
75 |
|
|
REAL alblw(klon, nbsrf) |
76 |
|
|
REAL tsoil(klon, nsoilmx, nbsrf) |
77 |
|
|
REAL radsol(klon), rain_fall(klon), snow_fall(klon) |
78 |
|
|
REAL solsw(klon), sollw(klon), fder(klon) |
79 |
|
|
!IM "slab" ocean |
80 |
|
|
REAL tslab(klon) |
81 |
|
|
real seaice(klon) ! kg m-2 |
82 |
|
|
REAL frugs(klon, nbsrf), agesno(klon, nbsrf) |
83 |
|
|
REAL rugmer(klon) |
84 |
|
|
real, dimension(iim + 1, jjm + 1):: relief, zstd_2d, zsig_2d, zgam_2d |
85 |
|
|
real, dimension(iim + 1, jjm + 1):: zthe_2d, zpic_2d, zval_2d |
86 |
guez |
43 |
real, dimension(iim + 1, jjm + 1):: tsol_2d, qsol_2d, psol |
87 |
guez |
3 |
REAL zmea(klon), zstd(klon) |
88 |
|
|
REAL zsig(klon), zgam(klon) |
89 |
|
|
REAL zthe(klon) |
90 |
|
|
REAL zpic(klon), zval(klon) |
91 |
|
|
REAL t_ancien(klon, llm), q_ancien(klon, llm) ! |
92 |
|
|
REAL run_off_lic_0(klon) |
93 |
|
|
real clwcon(klon, llm), rnebcon(klon, llm), ratqs(klon, llm) |
94 |
|
|
! déclarations pour lecture glace de mer |
95 |
|
|
INTEGER iml_lic, jml_lic, llm_tmp, ttm_tmp |
96 |
|
|
INTEGER itaul(1), fid |
97 |
|
|
REAL lev(1), date |
98 |
|
|
REAL, ALLOCATABLE:: lon_lic(:, :), lat_lic(:, :) |
99 |
|
|
REAL, ALLOCATABLE:: dlon_lic(:), dlat_lic(:) |
100 |
|
|
REAL, ALLOCATABLE:: fraclic(:, :) ! fraction land ice |
101 |
|
|
REAL flic_tmp(iim + 1, jjm + 1) !fraction land ice temporary |
102 |
|
|
|
103 |
|
|
INTEGER l, ji |
104 |
|
|
|
105 |
|
|
REAL pk(iim + 1, jjm + 1, llm) ! fonction d'Exner aux milieux des couches |
106 |
|
|
real pks(iim + 1, jjm + 1) |
107 |
|
|
|
108 |
|
|
REAL masse(iim + 1, jjm + 1, llm) |
109 |
|
|
REAL phi(ip1jmp1, llm) |
110 |
|
|
REAL pbaru(ip1jmp1, llm), pbarv(ip1jm, llm) |
111 |
|
|
REAL w(ip1jmp1, llm) |
112 |
|
|
REAL phystep |
113 |
guez |
28 |
real trash |
114 |
guez |
3 |
|
115 |
|
|
!--------------------------------- |
116 |
|
|
|
117 |
|
|
print *, "Call sequence information: etat0" |
118 |
|
|
|
119 |
|
|
dtvr = daysec / real(day_step) |
120 |
|
|
print *, 'dtvr = ', dtvr |
121 |
|
|
|
122 |
guez |
36 |
! Construct a grid: |
123 |
|
|
|
124 |
guez |
3 |
pa = 5e4 |
125 |
|
|
CALL iniconst |
126 |
|
|
CALL inigeom |
127 |
|
|
CALL inifilr |
128 |
|
|
|
129 |
|
|
latfi(1) = 90. |
130 |
|
|
latfi(2:klon-1) = pack(spread(rlatu(2:jjm), 1, iim), .true.) * 180. / pi |
131 |
|
|
! (with conversion to degrees) |
132 |
|
|
latfi(klon) = - 90. |
133 |
|
|
|
134 |
|
|
lonfi(1) = 0. |
135 |
|
|
lonfi(2:klon-1) = pack(spread(rlonv(:iim), 2, jjm - 1), .true.) * 180. / pi |
136 |
|
|
! (with conversion to degrees) |
137 |
|
|
lonfi(klon) = 0. |
138 |
|
|
|
139 |
|
|
call start_init_orog(relief, zstd_2d, zsig_2d, zgam_2d, zthe_2d, zpic_2d, & |
140 |
guez |
15 |
zval_2d) ! also compute "mask" and "phis" |
141 |
guez |
3 |
call init_dyn_phy ! define the mask "dyn_phy" for distinct grid points |
142 |
guez |
15 |
zmasq = pack(mask, dyn_phy) |
143 |
guez |
3 |
PRINT *, 'Masque construit' |
144 |
|
|
|
145 |
guez |
43 |
call start_init_phys(tsol_2d, qsol_2d) |
146 |
|
|
CALL start_init_dyn(tsol_2d, psol) |
147 |
guez |
3 |
|
148 |
|
|
! Compute pressure on intermediate levels: |
149 |
guez |
15 |
forall(l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * psol |
150 |
guez |
3 |
CALL exner_hyb(psol, p3d, pks, pk) |
151 |
|
|
IF (MINVAL(pk) == MAXVAL(pk)) stop '"pk" should not be constant' |
152 |
|
|
|
153 |
guez |
36 |
pls = preff * (pk / cpp)**(1. / kappa) |
154 |
|
|
PRINT *, "minval(pls) = ", minval(pls) |
155 |
|
|
print *, "maxval(pls) = ", maxval(pls) |
156 |
guez |
3 |
|
157 |
guez |
23 |
call start_inter_3d('U', rlonv, rlatv, pls, uvent) |
158 |
guez |
3 |
forall (l = 1: llm) uvent(:iim, :, l) = uvent(:iim, :, l) * cu_2d(:iim, :) |
159 |
|
|
uvent(iim+1, :, :) = uvent(1, :, :) |
160 |
|
|
|
161 |
guez |
23 |
call start_inter_3d('V', rlonu, rlatu(:jjm), pls(:, :jjm, :), vvent) |
162 |
guez |
3 |
forall (l = 1: llm) vvent(:iim, :, l) = vvent(:iim, :, l) * cv_2d(:iim, :) |
163 |
|
|
vvent(iim + 1, :, :) = vvent(1, :, :) |
164 |
|
|
|
165 |
guez |
23 |
call start_inter_3d('TEMP', rlonu, rlatv, pls, t3d) |
166 |
guez |
36 |
PRINT *, 'minval(t3d) = ', minval(t3d) |
167 |
|
|
print *, "maxval(t3d) = ", maxval(t3d) |
168 |
guez |
3 |
|
169 |
|
|
tpot(:iim, :, :) = t3d(:iim, :, :) * cpp / pk(:iim, :, :) |
170 |
|
|
tpot(iim + 1, :, :) = tpot(1, :, :) |
171 |
|
|
DO l=1, llm |
172 |
|
|
tpot(:, 1, l) = SUM(aire_2d(:, 1) * tpot(:, 1, l)) / apoln |
173 |
|
|
tpot(:, jjm + 1, l) = SUM(aire_2d(:, jjm + 1) * tpot(:, jjm + 1, l)) & |
174 |
|
|
/ apols |
175 |
|
|
ENDDO |
176 |
|
|
|
177 |
|
|
! Calcul de l'humidité à saturation : |
178 |
guez |
36 |
qsat = q_sat(t3d, pls) |
179 |
|
|
PRINT *, "minval(qsat) = ", minval(qsat) |
180 |
|
|
print *, "maxval(qsat) = ", maxval(qsat) |
181 |
guez |
3 |
IF (MINVAL(qsat) == MAXVAL(qsat)) stop '"qsat" should not be constant' |
182 |
|
|
|
183 |
|
|
! Water vapor: |
184 |
guez |
23 |
call start_inter_3d('R', rlonu, rlatv, pls, q3d(:, :, :, 1)) |
185 |
|
|
q3d(:, :, :, 1) = 0.01 * q3d(:, :, :, 1) * qsat |
186 |
guez |
3 |
WHERE (q3d(:, :, :, 1) < 0.) q3d(:, :, :, 1) = 1E-10 |
187 |
|
|
DO l = 1, llm |
188 |
|
|
q3d(:, 1, l, 1) = SUM(aire_2d(:, 1) * q3d(:, 1, l, 1)) / apoln |
189 |
|
|
q3d(:, jjm + 1, l, 1) & |
190 |
|
|
= SUM(aire_2d(:, jjm + 1) * q3d(:, jjm + 1, l, 1)) / apols |
191 |
|
|
ENDDO |
192 |
|
|
|
193 |
|
|
q3d(:, :, :, 2:4) = 0. ! liquid water, radon and lead |
194 |
|
|
|
195 |
guez |
5 |
if (nqmx >= 5) then |
196 |
|
|
! Ozone: |
197 |
guez |
7 |
call regr_lat_time_coefoz |
198 |
|
|
call regr_pr_o3(q3d(:, :, :, 5)) |
199 |
|
|
! Convert from mole fraction to mass fraction: |
200 |
|
|
q3d(:, :, :, 5) = q3d(:, :, :, 5) * 48. / 29. |
201 |
guez |
5 |
end if |
202 |
guez |
3 |
|
203 |
guez |
13 |
tsol = pack(tsol_2d, dyn_phy) |
204 |
|
|
qsol = pack(qsol_2d, dyn_phy) |
205 |
|
|
sn = 0. ! snow |
206 |
|
|
radsol = 0. |
207 |
|
|
tslab = 0. ! IM "slab" ocean |
208 |
|
|
seaice = 0. |
209 |
|
|
rugmer = 0.001 |
210 |
|
|
zmea = pack(relief, dyn_phy) |
211 |
|
|
zstd = pack(zstd_2d, dyn_phy) |
212 |
|
|
zsig = pack(zsig_2d, dyn_phy) |
213 |
|
|
zgam = pack(zgam_2d, dyn_phy) |
214 |
|
|
zthe = pack(zthe_2d, dyn_phy) |
215 |
|
|
zpic = pack(zpic_2d, dyn_phy) |
216 |
|
|
zval = pack(zval_2d, dyn_phy) |
217 |
guez |
3 |
|
218 |
|
|
! On initialise les sous-surfaces: |
219 |
|
|
! Lecture du fichier glace de terre pour fixer la fraction de terre |
220 |
|
|
! et de glace de terre: |
221 |
|
|
CALL flininfo("landiceref.nc", iml_lic, jml_lic, llm_tmp, & |
222 |
|
|
ttm_tmp, fid) |
223 |
|
|
ALLOCATE(lat_lic(iml_lic, jml_lic)) |
224 |
|
|
ALLOCATE(lon_lic(iml_lic, jml_lic)) |
225 |
|
|
ALLOCATE(dlon_lic(iml_lic)) |
226 |
|
|
ALLOCATE(dlat_lic(jml_lic)) |
227 |
|
|
ALLOCATE(fraclic(iml_lic, jml_lic)) |
228 |
guez |
32 |
CALL flinopen_nozoom(iml_lic, jml_lic, & |
229 |
guez |
28 |
llm_tmp, lon_lic, lat_lic, lev, ttm_tmp, itaul, date, trash, & |
230 |
guez |
3 |
fid) |
231 |
|
|
CALL flinget(fid, 'landice', iml_lic, jml_lic, llm_tmp, ttm_tmp & |
232 |
|
|
, 1, 1, fraclic) |
233 |
|
|
CALL flinclo(fid) |
234 |
|
|
|
235 |
|
|
! Interpolation sur la grille T du modèle : |
236 |
|
|
PRINT *, 'Dimensions de "landice"' |
237 |
|
|
print *, "iml_lic = ", iml_lic |
238 |
|
|
print *, "jml_lic = ", jml_lic |
239 |
|
|
|
240 |
|
|
! Si les coordonnées sont en degrés, on les transforme : |
241 |
guez |
15 |
IF (MAXVAL( lon_lic ) > pi) THEN |
242 |
|
|
lon_lic = lon_lic * pi / 180. |
243 |
guez |
3 |
ENDIF |
244 |
guez |
15 |
IF (maxval( lat_lic ) > pi) THEN |
245 |
|
|
lat_lic = lat_lic * pi/ 180. |
246 |
guez |
3 |
ENDIF |
247 |
|
|
|
248 |
guez |
13 |
dlon_lic = lon_lic(:, 1) |
249 |
|
|
dlat_lic = lat_lic(1, :) |
250 |
guez |
3 |
|
251 |
|
|
flic_tmp(:iim, :) = grille_m(dlon_lic, dlat_lic, fraclic, rlonv(:iim), & |
252 |
|
|
rlatu) |
253 |
|
|
flic_tmp(iim + 1, :) = flic_tmp(1, :) |
254 |
|
|
|
255 |
|
|
! Passage sur la grille physique |
256 |
guez |
15 |
pctsrf = 0. |
257 |
guez |
3 |
pctsrf(:, is_lic) = pack(flic_tmp, dyn_phy) |
258 |
|
|
! Adéquation avec le maque terre/mer |
259 |
|
|
WHERE (pctsrf(:, is_lic) < EPSFRA ) pctsrf(:, is_lic) = 0. |
260 |
guez |
13 |
WHERE (zmasq < EPSFRA) pctsrf(:, is_lic) = 0. |
261 |
|
|
pctsrf(:, is_ter) = zmasq |
262 |
|
|
where (zmasq > EPSFRA) |
263 |
|
|
where (pctsrf(:, is_lic) >= zmasq) |
264 |
|
|
pctsrf(:, is_lic) = zmasq |
265 |
guez |
3 |
pctsrf(:, is_ter) = 0. |
266 |
|
|
elsewhere |
267 |
guez |
13 |
pctsrf(:, is_ter) = zmasq - pctsrf(:, is_lic) |
268 |
guez |
3 |
where (pctsrf(:, is_ter) < EPSFRA) |
269 |
|
|
pctsrf(:, is_ter) = 0. |
270 |
guez |
13 |
pctsrf(:, is_lic) = zmasq |
271 |
guez |
3 |
end where |
272 |
|
|
end where |
273 |
|
|
end where |
274 |
|
|
|
275 |
|
|
! Sous-surface océan et glace de mer (pour démarrer on met glace |
276 |
|
|
! de mer à 0) : |
277 |
guez |
13 |
pctsrf(:, is_oce) = 1. - zmasq |
278 |
guez |
3 |
WHERE (pctsrf(:, is_oce) < EPSFRA) pctsrf(:, is_oce) = 0. |
279 |
|
|
|
280 |
|
|
! Vérification que somme des sous-surfaces vaut 1: |
281 |
guez |
15 |
ji = count(abs(sum(pctsrf, dim = 2) - 1.) > EPSFRA) |
282 |
|
|
IF (ji /= 0) then |
283 |
|
|
PRINT *, 'Problème répartition sous maille pour ', ji, 'points' |
284 |
|
|
end IF |
285 |
guez |
3 |
|
286 |
|
|
! Calcul intermédiaire: |
287 |
|
|
CALL massdair(p3d, masse) |
288 |
|
|
|
289 |
|
|
print *, 'ALPHAX = ', alphax |
290 |
|
|
|
291 |
|
|
forall (l = 1:llm) |
292 |
|
|
masse(:, 1, l) = SUM(aire_2d(:iim, 1) * masse(:iim, 1, l)) / apoln |
293 |
|
|
masse(:, jjm + 1, l) = & |
294 |
|
|
SUM(aire_2d(:iim, jjm + 1) * masse(:iim, jjm + 1, l)) / apols |
295 |
|
|
END forall |
296 |
|
|
|
297 |
|
|
! Initialisation pour traceurs: |
298 |
guez |
5 |
call iniadvtrac |
299 |
guez |
27 |
CALL inidissip |
300 |
guez |
3 |
itau_phy = 0 |
301 |
|
|
day_ref = dayref |
302 |
|
|
annee_ref = anneeref |
303 |
|
|
|
304 |
guez |
22 |
CALL geopot(ip1jmp1, tpot, pk , pks, phis, phi) |
305 |
guez |
23 |
CALL caldyn0(uvent, vvent, tpot, psol, masse, pk, phis, phi, w, pbaru, & |
306 |
|
|
pbarv) |
307 |
guez |
5 |
CALL dynredem0("start.nc", dayref, phis) |
308 |
guez |
27 |
CALL dynredem1("start.nc", vvent, uvent, tpot, q3d, masse, psol, itau=0) |
309 |
guez |
3 |
|
310 |
|
|
! Ecriture état initial physique: |
311 |
|
|
print *, "iphysiq = ", iphysiq |
312 |
|
|
phystep = dtvr * REAL(iphysiq) |
313 |
|
|
print *, 'phystep = ', phystep |
314 |
|
|
|
315 |
|
|
! Initialisations : |
316 |
|
|
tsolsrf(:, is_ter) = tsol |
317 |
|
|
tsolsrf(:, is_lic) = tsol |
318 |
|
|
tsolsrf(:, is_oce) = tsol |
319 |
|
|
tsolsrf(:, is_sic) = tsol |
320 |
|
|
snsrf(:, is_ter) = sn |
321 |
|
|
snsrf(:, is_lic) = sn |
322 |
|
|
snsrf(:, is_oce) = sn |
323 |
|
|
snsrf(:, is_sic) = sn |
324 |
|
|
albe(:, is_ter) = 0.08 |
325 |
|
|
albe(:, is_lic) = 0.6 |
326 |
|
|
albe(:, is_oce) = 0.5 |
327 |
|
|
albe(:, is_sic) = 0.6 |
328 |
|
|
alblw = albe |
329 |
guez |
15 |
evap = 0. |
330 |
guez |
3 |
qsolsrf(:, is_ter) = 150. |
331 |
|
|
qsolsrf(:, is_lic) = 150. |
332 |
|
|
qsolsrf(:, is_oce) = 150. |
333 |
|
|
qsolsrf(:, is_sic) = 150. |
334 |
|
|
tsoil = spread(spread(tsol, 2, nsoilmx), 3, nbsrf) |
335 |
|
|
rain_fall = 0. |
336 |
|
|
snow_fall = 0. |
337 |
|
|
solsw = 165. |
338 |
|
|
sollw = -53. |
339 |
|
|
t_ancien = 273.15 |
340 |
|
|
q_ancien = 0. |
341 |
|
|
agesno = 0. |
342 |
|
|
!IM "slab" ocean |
343 |
guez |
13 |
tslab = tsolsrf(:, is_oce) |
344 |
guez |
3 |
seaice = 0. |
345 |
|
|
|
346 |
guez |
13 |
frugs(:, is_oce) = rugmer |
347 |
|
|
frugs(:, is_ter) = MAX(1.e-05, zstd * zsig / 2) |
348 |
|
|
frugs(:, is_lic) = MAX(1.e-05, zstd * zsig / 2) |
349 |
guez |
3 |
frugs(:, is_sic) = 0.001 |
350 |
|
|
fder = 0. |
351 |
|
|
clwcon = 0. |
352 |
|
|
rnebcon = 0. |
353 |
|
|
ratqs = 0. |
354 |
|
|
run_off_lic_0 = 0. |
355 |
|
|
|
356 |
guez |
13 |
call phyredem("startphy.nc", latfi, lonfi, pctsrf, & |
357 |
guez |
3 |
tsolsrf, tsoil, tslab, seaice, qsolsrf, qsol, snsrf, albe, alblw, & |
358 |
|
|
evap, rain_fall, snow_fall, solsw, sollw, fder, radsol, frugs, & |
359 |
guez |
13 |
agesno, zmea, zstd, zsig, zgam, zthe, zpic, zval, & |
360 |
guez |
3 |
t_ancien, q_ancien, rnebcon, ratqs, clwcon, run_off_lic_0) |
361 |
|
|
CALL histclo |
362 |
|
|
|
363 |
|
|
END SUBROUTINE etat0 |
364 |
|
|
|
365 |
|
|
end module etat0_mod |