1 |
MODULE guide_m |
2 |
|
3 |
! From dyn3d/guide.F, version 1.3 2005/05/25 13:10:09 |
4 |
! and dyn3d/guide.h, version 1.1.1.1 2004/05/19 12:53:06 |
5 |
|
6 |
IMPLICIT NONE |
7 |
|
8 |
REAL aire_min, aire_max |
9 |
|
10 |
CONTAINS |
11 |
|
12 |
SUBROUTINE guide(itau, ucov, vcov, teta, q, masse, ps) |
13 |
|
14 |
! Author: F.Hourdin |
15 |
|
16 |
USE comconst, ONLY: cpp, daysec, dtvr, kappa |
17 |
USE comgeom, ONLY: aire, rlatu, rlonv |
18 |
USE conf_gcm_m, ONLY: day_step, iperiod |
19 |
use conf_guide_m, only: conf_guide, guide_u, guide_v, guide_t, guide_q, & |
20 |
ncep, ini_anal, tau_min_u, tau_max_u, tau_min_v, tau_max_v, & |
21 |
tau_min_t, tau_max_t, tau_min_q, tau_max_q, tau_min_p, tau_max_p, & |
22 |
online |
23 |
USE dimens_m, ONLY: jjm, llm |
24 |
USE disvert_m, ONLY: ap, bp, preff, presnivs |
25 |
USE exner_hyb_m, ONLY: exner_hyb |
26 |
USE inigrads_m, ONLY: inigrads |
27 |
use massdair_m, only: massdair |
28 |
use netcdf, only: nf90_nowrite, nf90_open, nf90_close, nf90_inq_dimid, & |
29 |
nf90_inquire_dimension |
30 |
use nr_util, only: pi |
31 |
USE paramet_m, ONLY: iip1, ip1jm, ip1jmp1, jjp1, llmp1 |
32 |
USE q_sat_m, ONLY: q_sat |
33 |
USE serre, ONLY: clat, clon |
34 |
use tau2alpha_m, only: tau2alpha, dxdys |
35 |
|
36 |
INTEGER, INTENT(IN):: itau |
37 |
|
38 |
! variables dynamiques |
39 |
REAL ucov(ip1jmp1, llm), vcov(ip1jm, llm) ! vents covariants |
40 |
REAL, intent(inout):: teta(ip1jmp1, llm) ! temperature potentielle |
41 |
REAL q(ip1jmp1, llm) ! temperature potentielle |
42 |
REAL, intent(out):: masse(ip1jmp1, llm) ! masse d'air |
43 |
REAL, intent(in):: ps(ip1jmp1) ! pression au sol |
44 |
|
45 |
! Local: |
46 |
|
47 |
! variables dynamiques pour les reanalyses. |
48 |
REAL, save:: ucovrea1(ip1jmp1, llm), vcovrea1(ip1jm, llm) !vts cov reas |
49 |
REAL, save:: tetarea1(ip1jmp1, llm) ! temp pot reales |
50 |
REAL, save:: qrea1(ip1jmp1, llm) ! temp pot reales |
51 |
REAL, save:: ucovrea2(ip1jmp1, llm), vcovrea2(ip1jm, llm) !vts cov reas |
52 |
REAL, save:: tetarea2(ip1jmp1, llm) ! temp pot reales |
53 |
REAL, save:: qrea2(ip1jmp1, llm) ! temp pot reales |
54 |
REAL, save:: masserea2(ip1jmp1, llm) ! masse |
55 |
|
56 |
REAL, save:: alpha_q(ip1jmp1) |
57 |
REAL, save:: alpha_t(ip1jmp1), alpha_p(ip1jmp1) |
58 |
REAL, save:: alpha_u(ip1jmp1), alpha_v(ip1jm) |
59 |
REAL dday_step, toto, reste |
60 |
real, save:: itau_test |
61 |
INTEGER, save:: step_rea, count_no_rea |
62 |
|
63 |
INTEGER ilon, ilat |
64 |
REAL factt, ztau(ip1jmp1) |
65 |
|
66 |
INTEGER ij, l |
67 |
INTEGER ncidpl, varidpl, status |
68 |
INTEGER rcod, rid |
69 |
REAL ditau, tau, a |
70 |
INTEGER, SAVE:: nlev |
71 |
|
72 |
! TEST SUR QSAT |
73 |
REAL p(ip1jmp1, llmp1), pk(ip1jmp1, llm), pks(ip1jmp1) |
74 |
REAL pkf(ip1jmp1, llm) |
75 |
REAL pres(ip1jmp1, llm) |
76 |
|
77 |
REAL qsat(ip1jmp1, llm) |
78 |
REAL unskap |
79 |
REAL tnat(ip1jmp1, llm) |
80 |
|
81 |
LOGICAL:: first = .TRUE. |
82 |
CHARACTER(len=10) file |
83 |
INTEGER:: igrads = 2 |
84 |
REAL:: dtgrads = 100. |
85 |
|
86 |
!----------------------------------------------------------------------- |
87 |
|
88 |
PRINT *, 'Call sequence information: guide' |
89 |
|
90 |
! calcul de l'humidite saturante |
91 |
|
92 |
forall (l = 1: llm + 1) p(:, l) = ap(l) + bp(l) * ps |
93 |
CALL massdair(p, masse) |
94 |
CALL exner_hyb(ps, p, pks, pk, pkf) |
95 |
tnat(:, :) = pk(:, :)*teta(:, :)/cpp |
96 |
unskap = 1./kappa |
97 |
pres(:, :) = preff*(pk(:, :)/cpp)**unskap |
98 |
qsat = q_sat(tnat, pres) |
99 |
|
100 |
! initialisations pour la lecture des reanalyses. |
101 |
! alpha determine la part des injections de donnees a chaque etape |
102 |
! alpha=1 signifie pas d'injection |
103 |
! alpha=0 signifie injection totale |
104 |
|
105 |
IF (online==-1) THEN |
106 |
RETURN |
107 |
END IF |
108 |
|
109 |
IF (first) THEN |
110 |
CALL conf_guide |
111 |
file = 'guide' |
112 |
CALL inigrads(igrads, rlonv, 180./pi, -180., 180., rlatu, -90., 90., & |
113 |
180./pi, presnivs, 1., dtgrads, file, 'dyn_zon ') |
114 |
PRINT *, '1: en-ligne, 0: hors-ligne (x=x_rea), -1: climat (x=x_gcm)' |
115 |
IF (online==-1) RETURN |
116 |
|
117 |
IF (online==1) THEN |
118 |
! Constantes de temps de rappel en jour |
119 |
! 0.1 c'est en gros 2h30. |
120 |
! 1e10 est une constante infinie donc en gros pas de guidage |
121 |
|
122 |
! coordonnees du centre du zoom |
123 |
CALL coordij(clon, clat, ilon, ilat) |
124 |
! aire de la maille au centre du zoom |
125 |
aire_min = aire(ilon+(ilat-1)*iip1) |
126 |
! aire maximale de la maille |
127 |
aire_max = 0. |
128 |
DO ij = 1, ip1jmp1 |
129 |
aire_max = max(aire_max, aire(ij)) |
130 |
END DO |
131 |
! factt = pas de temps en fraction de jour |
132 |
factt = dtvr*iperiod/daysec |
133 |
|
134 |
CALL tau2alpha(3, iip1, jjm, factt, tau_min_v, tau_max_v, alpha_v) |
135 |
CALL tau2alpha(2, iip1, jjp1, factt, tau_min_u, tau_max_u, alpha_u) |
136 |
CALL tau2alpha(1, iip1, jjp1, factt, tau_min_t, tau_max_t, alpha_t) |
137 |
CALL tau2alpha(1, iip1, jjp1, factt, tau_min_p, tau_max_p, alpha_p) |
138 |
CALL tau2alpha(1, iip1, jjp1, factt, tau_min_q, tau_max_q, alpha_q) |
139 |
|
140 |
CALL dump2d(iip1, jjp1, aire, 'AIRE MAILLe ') |
141 |
CALL dump2d(iip1, jjp1, alpha_u, 'COEFF U ') |
142 |
CALL dump2d(iip1, jjp1, alpha_t, 'COEFF T ') |
143 |
|
144 |
! Cas ou on force exactement par les variables analysees |
145 |
ELSE |
146 |
alpha_t = 0. |
147 |
alpha_u = 0. |
148 |
alpha_v = 0. |
149 |
alpha_p = 0. |
150 |
! physic=.false. |
151 |
END IF |
152 |
|
153 |
itau_test = 1001 |
154 |
step_rea = 1 |
155 |
count_no_rea = 0 |
156 |
ncidpl = -99 |
157 |
|
158 |
! itau_test montre si l'importation a deja ete faite au rang itau |
159 |
! lecture d'un fichier netcdf pour determiner le nombre de niveaux |
160 |
if (guide_u) then |
161 |
if (ncidpl.eq.-99) rcod=nf90_open('u.nc',Nf90_NOWRITe,ncidpl) |
162 |
endif |
163 |
|
164 |
if (guide_v) then |
165 |
if (ncidpl.eq.-99) rcod=nf90_open('v.nc',nf90_nowrite,ncidpl) |
166 |
endif |
167 |
|
168 |
if (guide_T) then |
169 |
if (ncidpl.eq.-99) rcod=nf90_open('T.nc',nf90_nowrite,ncidpl) |
170 |
endif |
171 |
|
172 |
if (guide_Q) then |
173 |
if (ncidpl.eq.-99) rcod=nf90_open('hur.nc',nf90_nowrite, ncidpl) |
174 |
endif |
175 |
|
176 |
IF (ncep) THEN |
177 |
status = nf90_inq_dimid(ncidpl, 'LEVEL', rid) |
178 |
ELSE |
179 |
status = nf90_inq_dimid(ncidpl, 'PRESSURE', rid) |
180 |
END IF |
181 |
status = nf90_inquire_dimension(ncidpl, rid, len=nlev) |
182 |
PRINT *, 'nlev', nlev |
183 |
rcod = nf90_close(ncidpl) |
184 |
! Lecture du premier etat des reanalyses. |
185 |
CALL read_reanalyse(1, ps, ucovrea2, vcovrea2, tetarea2, qrea2, & |
186 |
masserea2, 1, nlev) |
187 |
qrea2(:, :) = max(qrea2(:, :), 0.1) |
188 |
|
189 |
! Debut de l'integration temporelle: |
190 |
END IF ! first |
191 |
|
192 |
! IMPORTATION DES VENTS, PRESSION ET TEMPERATURE REELS: |
193 |
|
194 |
ditau = real(itau) |
195 |
dday_step = real(day_step) |
196 |
WRITE (*, *) 'ditau, dday_step' |
197 |
WRITE (*, *) ditau, dday_step |
198 |
toto = 4*ditau/dday_step |
199 |
reste = toto - aint(toto) |
200 |
|
201 |
IF (reste==0.) THEN |
202 |
IF (itau_test==itau) THEN |
203 |
WRITE (*, *) 'deuxieme passage de advreel a itau=', itau |
204 |
STOP |
205 |
ELSE |
206 |
vcovrea1(:, :) = vcovrea2(:, :) |
207 |
ucovrea1(:, :) = ucovrea2(:, :) |
208 |
tetarea1(:, :) = tetarea2(:, :) |
209 |
qrea1(:, :) = qrea2(:, :) |
210 |
|
211 |
PRINT *, 'LECTURE REANALYSES, pas ', step_rea, 'apres ', & |
212 |
count_no_rea, ' non lectures' |
213 |
step_rea = step_rea + 1 |
214 |
itau_test = itau |
215 |
CALL read_reanalyse(step_rea, ps, ucovrea2, vcovrea2, tetarea2, & |
216 |
qrea2, masserea2, 1, nlev) |
217 |
qrea2(:, :) = max(qrea2(:, :), 0.1) |
218 |
factt = dtvr*iperiod/daysec |
219 |
ztau(:) = factt/max(alpha_t(:), 1.E-10) |
220 |
CALL wrgrads(igrads, 1, aire, 'aire ', 'aire ') |
221 |
CALL wrgrads(igrads, 1, dxdys, 'dxdy ', 'dxdy ') |
222 |
CALL wrgrads(igrads, 1, alpha_u, 'au ', 'au ') |
223 |
CALL wrgrads(igrads, 1, alpha_t, 'at ', 'at ') |
224 |
CALL wrgrads(igrads, 1, ztau, 'taut ', 'taut ') |
225 |
CALL wrgrads(igrads, llm, ucov, 'u ', 'u ') |
226 |
CALL wrgrads(igrads, llm, ucovrea2, 'ua ', 'ua ') |
227 |
CALL wrgrads(igrads, llm, teta, 'T ', 'T ') |
228 |
CALL wrgrads(igrads, llm, tetarea2, 'Ta ', 'Ta ') |
229 |
CALL wrgrads(igrads, llm, qrea2, 'Qa ', 'Qa ') |
230 |
CALL wrgrads(igrads, llm, q, 'Q ', 'Q ') |
231 |
|
232 |
CALL wrgrads(igrads, llm, qsat, 'QSAT ', 'QSAT ') |
233 |
|
234 |
END IF |
235 |
ELSE |
236 |
count_no_rea = count_no_rea + 1 |
237 |
END IF |
238 |
|
239 |
! Guidage |
240 |
! x_gcm = a * x_gcm + (1-a) * x_reanalyses |
241 |
|
242 |
IF (ini_anal) PRINT *, 'ATTENTION !!! ON PART DU GUIDAGE' |
243 |
|
244 |
ditau = real(itau) |
245 |
dday_step = real(day_step) |
246 |
|
247 |
tau = 4*ditau/dday_step |
248 |
tau = tau - aint(tau) |
249 |
|
250 |
! ucov |
251 |
IF (guide_u) THEN |
252 |
DO l = 1, llm |
253 |
DO ij = 1, ip1jmp1 |
254 |
a = (1.-tau)*ucovrea1(ij, l) + tau*ucovrea2(ij, l) |
255 |
ucov(ij, l) = (1.-alpha_u(ij))*ucov(ij, l) + alpha_u(ij)*a |
256 |
IF (first .AND. ini_anal) ucov(ij, l) = a |
257 |
END DO |
258 |
END DO |
259 |
END IF |
260 |
|
261 |
IF (guide_t) THEN |
262 |
DO l = 1, llm |
263 |
DO ij = 1, ip1jmp1 |
264 |
a = (1.-tau)*tetarea1(ij, l) + tau*tetarea2(ij, l) |
265 |
teta(ij, l) = (1.-alpha_t(ij))*teta(ij, l) + alpha_t(ij)*a |
266 |
IF (first .AND. ini_anal) teta(ij, l) = a |
267 |
END DO |
268 |
END DO |
269 |
END IF |
270 |
|
271 |
IF (guide_q) THEN |
272 |
DO l = 1, llm |
273 |
DO ij = 1, ip1jmp1 |
274 |
a = (1.-tau)*qrea1(ij, l) + tau*qrea2(ij, l) |
275 |
! hum relative en % -> hum specif |
276 |
a = qsat(ij, l)*a*0.01 |
277 |
q(ij, l) = (1.-alpha_q(ij))*q(ij, l) + alpha_q(ij)*a |
278 |
IF (first .AND. ini_anal) q(ij, l) = a |
279 |
END DO |
280 |
END DO |
281 |
END IF |
282 |
|
283 |
! vcov |
284 |
IF (guide_v) THEN |
285 |
DO l = 1, llm |
286 |
DO ij = 1, ip1jm |
287 |
a = (1.-tau)*vcovrea1(ij, l) + tau*vcovrea2(ij, l) |
288 |
vcov(ij, l) = (1.-alpha_v(ij))*vcov(ij, l) + alpha_v(ij)*a |
289 |
IF (first .AND. ini_anal) vcov(ij, l) = a |
290 |
END DO |
291 |
IF (first .AND. ini_anal) vcov(ij, l) = a |
292 |
END DO |
293 |
END IF |
294 |
|
295 |
first = .FALSE. |
296 |
|
297 |
END SUBROUTINE guide |
298 |
|
299 |
END MODULE guide_m |