| 1 |
module guide_m |
| 2 |
|
| 3 |
! From dyn3d/guide.F,v 1.3 2005/05/25 13:10:09 |
| 4 |
! and dyn3d/guide.h,v 1.1.1.1 2004/05/19 12:53:06 |
| 5 |
|
| 6 |
real tau_min_u,tau_max_u |
| 7 |
real tau_min_v,tau_max_v |
| 8 |
real tau_min_T,tau_max_T |
| 9 |
real tau_min_q,tau_max_q |
| 10 |
real tau_min_P,tau_max_P |
| 11 |
real aire_min,aire_max |
| 12 |
|
| 13 |
|
| 14 |
logical guide_u,guide_v,guide_T,guide_Q,guide_P |
| 15 |
real lat_min_guide,lat_max_guide |
| 16 |
|
| 17 |
LOGICAL ncep,ini_anal |
| 18 |
integer online |
| 19 |
|
| 20 |
contains |
| 21 |
|
| 22 |
subroutine guide(itau,ucov,vcov,teta,q,masse,ps) |
| 23 |
|
| 24 |
use dimens_m |
| 25 |
use paramet_m |
| 26 |
use comconst |
| 27 |
use comdissnew |
| 28 |
use comvert |
| 29 |
use conf_gcm_m |
| 30 |
use logic |
| 31 |
use comgeom |
| 32 |
use serre |
| 33 |
use temps |
| 34 |
use tracstoke |
| 35 |
use ener |
| 36 |
use q_sat_m, only: q_sat |
| 37 |
use exner_hyb_m, only: exner_hyb |
| 38 |
use pression_m, only: pression |
| 39 |
use inigrads_m, only: inigrads |
| 40 |
|
| 41 |
IMPLICIT NONE |
| 42 |
|
| 43 |
! ...... Version du 10/01/98 .......... |
| 44 |
|
| 45 |
! avec coordonnees verticales hybrides |
| 46 |
! avec nouveaux operat. dissipation * ( gradiv2,divgrad2,nxgraro2 ) |
| 47 |
|
| 48 |
!======================================================================= |
| 49 |
! |
| 50 |
! Auteur: F.Hourdin |
| 51 |
! ------- |
| 52 |
! |
| 53 |
! Objet: |
| 54 |
! ------ |
| 55 |
! |
| 56 |
! GCM LMD nouvelle grille |
| 57 |
! |
| 58 |
!======================================================================= |
| 59 |
|
| 60 |
! ... Dans inigeom , nouveaux calculs pour les elongations cu , cv |
| 61 |
! et possibilite d'appeler une fonction f(y) a derivee tangente |
| 62 |
! hyperbolique a la place de la fonction a derivee sinusoidale. |
| 63 |
|
| 64 |
! ... Possibilite de choisir le shema de Van-leer pour l'advection de |
| 65 |
! q , en faisant iadv = 10 dans traceur (29/04/97) . |
| 66 |
! |
| 67 |
!----------------------------------------------------------------------- |
| 68 |
! Declarations: |
| 69 |
! ------------- |
| 70 |
|
| 71 |
include "netcdf.inc" |
| 72 |
|
| 73 |
! variables dynamiques |
| 74 |
REAL vcov(ip1jm,llm),ucov(ip1jmp1,llm) ! vents covariants |
| 75 |
REAL teta(ip1jmp1,llm) ! temperature potentielle |
| 76 |
REAL q(ip1jmp1,llm) ! temperature potentielle |
| 77 |
REAL ps(ip1jmp1) ! pression au sol |
| 78 |
REAL masse(ip1jmp1,llm) ! masse d'air |
| 79 |
|
| 80 |
! common passe pour des sorties |
| 81 |
real dxdys(iip1,jjp1),dxdyu(iip1,jjp1),dxdyv(iip1,jjm) |
| 82 |
common/comdxdy/dxdys,dxdyu,dxdyv |
| 83 |
|
| 84 |
! variables dynamiques pour les reanalyses. |
| 85 |
REAL ucovrea1(ip1jmp1,llm),vcovrea1(ip1jm,llm) !vts cov reas |
| 86 |
REAL tetarea1(ip1jmp1,llm) ! temp pot reales |
| 87 |
REAL qrea1(ip1jmp1,llm) ! temp pot reales |
| 88 |
REAL psrea1(ip1jmp1) ! ps |
| 89 |
REAL ucovrea2(ip1jmp1,llm),vcovrea2(ip1jm,llm) !vts cov reas |
| 90 |
REAL tetarea2(ip1jmp1,llm) ! temp pot reales |
| 91 |
REAL qrea2(ip1jmp1,llm) ! temp pot reales |
| 92 |
REAL masserea2(ip1jmp1,llm) ! masse |
| 93 |
REAL psrea2(ip1jmp1) ! ps |
| 94 |
|
| 95 |
real alpha_q(ip1jmp1) |
| 96 |
real alpha_T(ip1jmp1),alpha_P(ip1jmp1) |
| 97 |
real alpha_u(ip1jmp1),alpha_v(ip1jm) |
| 98 |
real dday_step,toto,reste,itau_test |
| 99 |
INTEGER step_rea,count_no_rea |
| 100 |
|
| 101 |
!IM 180305 real aire_min,aire_max |
| 102 |
integer ilon,ilat |
| 103 |
real factt,ztau(ip1jmp1) |
| 104 |
|
| 105 |
INTEGER, intent(in):: itau |
| 106 |
integer ij, l |
| 107 |
integer ncidpl,varidpl,nlev,status |
| 108 |
integer rcod,rid |
| 109 |
real ditau,tau,a |
| 110 |
save nlev |
| 111 |
|
| 112 |
! TEST SUR QSAT |
| 113 |
real p(ip1jmp1,llmp1),pk(ip1jmp1,llm),pks(ip1jmp1) |
| 114 |
real pkf(ip1jmp1,llm) |
| 115 |
real pres(ip1jmp1,llm) |
| 116 |
|
| 117 |
real qsat(ip1jmp1,llm) |
| 118 |
real unskap |
| 119 |
real tnat(ip1jmp1,llm) |
| 120 |
!cccccccccccccccc |
| 121 |
|
| 122 |
|
| 123 |
LOGICAL first |
| 124 |
save first |
| 125 |
data first/.true./ |
| 126 |
|
| 127 |
save ucovrea1,vcovrea1,tetarea1,psrea1,qrea1 |
| 128 |
save ucovrea2,vcovrea2,tetarea2,masserea2,psrea2,qrea2 |
| 129 |
|
| 130 |
save alpha_T,alpha_q,alpha_u,alpha_v,alpha_P,itau_test |
| 131 |
save step_rea,count_no_rea |
| 132 |
|
| 133 |
character*10 file |
| 134 |
integer igrads |
| 135 |
real dtgrads |
| 136 |
save igrads,dtgrads |
| 137 |
data igrads,dtgrads/2,100./ |
| 138 |
|
| 139 |
print *,'Call sequence information: guide' |
| 140 |
|
| 141 |
!----------------------------------------------------------------------- |
| 142 |
! calcul de l'humidite saturante |
| 143 |
!----------------------------------------------------------------------- |
| 144 |
CALL pression( ip1jmp1, ap, bp, ps, p ) |
| 145 |
call massdair(p,masse) |
| 146 |
print*,'OK1' |
| 147 |
CALL exner_hyb(ps,p,pks,pk,pkf) |
| 148 |
print*,'OK2' |
| 149 |
tnat(:,:)=pk(:,:)*teta(:,:)/cpp |
| 150 |
print*,'OK3' |
| 151 |
unskap = 1./ kappa |
| 152 |
pres(:,:)=preff*(pk(:,:)/cpp)**unskap |
| 153 |
print*,'OK4' |
| 154 |
qsat = q_sat(tnat, pres) |
| 155 |
|
| 156 |
!----------------------------------------------------------------------- |
| 157 |
|
| 158 |
!----------------------------------------------------------------------- |
| 159 |
! initialisations pour la lecture des reanalyses. |
| 160 |
! alpha determine la part des injections de donnees a chaque etape |
| 161 |
! alpha=1 signifie pas d'injection |
| 162 |
! alpha=0 signifie injection totale |
| 163 |
!----------------------------------------------------------------------- |
| 164 |
|
| 165 |
print*,'ONLINE=',online |
| 166 |
if(online.eq.-1) then |
| 167 |
return |
| 168 |
endif |
| 169 |
|
| 170 |
if (first) then |
| 171 |
|
| 172 |
print*,'initialisation du guide ' |
| 173 |
call conf_guide |
| 174 |
print*,'apres conf_guide' |
| 175 |
|
| 176 |
file='guide' |
| 177 |
call inigrads(igrads & |
| 178 |
,rlonv,180./pi,-180.,180.,rlatu,-90.,90.,180./pi & |
| 179 |
,presnivs,1. & |
| 180 |
,dtgrads,file,'dyn_zon ') |
| 181 |
|
| 182 |
print* & |
| 183 |
,'1: en-ligne, 0: hors-ligne (x=x_rea), -1: climat (x=x_gcm)' |
| 184 |
|
| 185 |
if(online.eq.-1) return |
| 186 |
if (online.eq.1) then |
| 187 |
|
| 188 |
!ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
| 189 |
! Constantes de temps de rappel en jour |
| 190 |
! 0.1 c'est en gros 2h30. |
| 191 |
! 1e10 est une constante infinie donc en gros pas de guidage |
| 192 |
!ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
| 193 |
! coordonnees du centre du zoom |
| 194 |
call coordij(clon,clat,ilon,ilat) |
| 195 |
! aire de la maille au centre du zoom |
| 196 |
aire_min=aire(ilon+(ilat-1)*iip1) |
| 197 |
! aire maximale de la maille |
| 198 |
aire_max=0. |
| 199 |
do ij=1,ip1jmp1 |
| 200 |
aire_max=max(aire_max,aire(ij)) |
| 201 |
enddo |
| 202 |
! factt = pas de temps en fraction de jour |
| 203 |
factt=dtvr*iperiod/daysec |
| 204 |
|
| 205 |
! subroutine tau2alpha(type,im,jm,factt,taumin,taumax,alpha) |
| 206 |
call tau2alpha(3,iip1,jjm ,factt,tau_min_v,tau_max_v,alpha_v) |
| 207 |
call tau2alpha(2,iip1,jjp1,factt,tau_min_u,tau_max_u,alpha_u) |
| 208 |
call tau2alpha(1,iip1,jjp1,factt,tau_min_T,tau_max_T,alpha_T) |
| 209 |
call tau2alpha(1,iip1,jjp1,factt,tau_min_P,tau_max_P,alpha_P) |
| 210 |
call tau2alpha(1,iip1,jjp1,factt,tau_min_q,tau_max_q,alpha_q) |
| 211 |
|
| 212 |
call dump2d(iip1,jjp1,aire,'AIRE MAILLe ') |
| 213 |
call dump2d(iip1,jjp1,alpha_u,'COEFF U ') |
| 214 |
call dump2d(iip1,jjp1,alpha_T,'COEFF T ') |
| 215 |
|
| 216 |
!ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
| 217 |
! Cas ou on force exactement par les variables analysees |
| 218 |
else |
| 219 |
alpha_T=0. |
| 220 |
alpha_u=0. |
| 221 |
alpha_v=0. |
| 222 |
alpha_P=0. |
| 223 |
! physic=.false. |
| 224 |
endif |
| 225 |
|
| 226 |
itau_test=1001 |
| 227 |
step_rea=1 |
| 228 |
count_no_rea=0 |
| 229 |
ncidpl=-99 |
| 230 |
|
| 231 |
! itau_test montre si l'importation a deja ete faite au rang itau |
| 232 |
! lecture d'un fichier netcdf pour determiner le nombre de niveaux |
| 233 |
if (guide_u) then |
| 234 |
if (ncidpl.eq.-99) ncidpl=NCOPN('u.nc',NCNOWRIT,rcod) |
| 235 |
endif |
| 236 |
! |
| 237 |
if (guide_v) then |
| 238 |
if (ncidpl.eq.-99) ncidpl=NCOPN('v.nc',NCNOWRIT,rcod) |
| 239 |
endif |
| 240 |
! |
| 241 |
if (guide_T) then |
| 242 |
if (ncidpl.eq.-99) ncidpl=NCOPN('T.nc',NCNOWRIT,rcod) |
| 243 |
endif |
| 244 |
! |
| 245 |
if (guide_Q) then |
| 246 |
if (ncidpl.eq.-99) ncidpl=NCOPN('hur.nc',NCNOWRIT,rcod) |
| 247 |
endif |
| 248 |
! |
| 249 |
if (ncep) then |
| 250 |
status=NF_INQ_DIMID(ncidpl,'LEVEL',rid) |
| 251 |
else |
| 252 |
status=NF_INQ_DIMID(ncidpl,'PRESSURE',rid) |
| 253 |
endif |
| 254 |
status=NF_INQ_DIMLEN(ncidpl,rid,nlev) |
| 255 |
print *,'nlev', nlev |
| 256 |
call ncclos(ncidpl,rcod) |
| 257 |
! Lecture du premier etat des reanalyses. |
| 258 |
call read_reanalyse(1,ps & |
| 259 |
,ucovrea2,vcovrea2,tetarea2,qrea2,masserea2,psrea2,1,nlev) |
| 260 |
qrea2(:,:)=max(qrea2(:,:),0.1) |
| 261 |
|
| 262 |
|
| 263 |
!----------------------------------------------------------------------- |
| 264 |
! Debut de l'integration temporelle: |
| 265 |
! ---------------------------------- |
| 266 |
|
| 267 |
endif ! first |
| 268 |
! |
| 269 |
!----------------------------------------------------------------------- |
| 270 |
!----- IMPORTATION DES VENTS,PRESSION ET TEMPERATURE REELS: |
| 271 |
!----------------------------------------------------------------------- |
| 272 |
|
| 273 |
ditau=real(itau) |
| 274 |
DDAY_step=real(day_step) |
| 275 |
write(*,*)'ditau,dday_step' |
| 276 |
write(*,*)ditau,dday_step |
| 277 |
toto=4*ditau/dday_step |
| 278 |
reste=toto-aint(toto) |
| 279 |
! write(*,*)'toto,reste',toto,reste |
| 280 |
|
| 281 |
if (reste.eq.0.) then |
| 282 |
if (itau_test.eq.itau) then |
| 283 |
write(*,*)'deuxieme passage de advreel a itau=',itau |
| 284 |
stop |
| 285 |
else |
| 286 |
vcovrea1(:,:)=vcovrea2(:,:) |
| 287 |
ucovrea1(:,:)=ucovrea2(:,:) |
| 288 |
tetarea1(:,:)=tetarea2(:,:) |
| 289 |
qrea1(:,:)=qrea2(:,:) |
| 290 |
|
| 291 |
print*,'LECTURE REANALYSES, pas ',step_rea & |
| 292 |
,'apres ',count_no_rea,' non lectures' |
| 293 |
step_rea=step_rea+1 |
| 294 |
itau_test=itau |
| 295 |
call read_reanalyse(step_rea,ps & |
| 296 |
,ucovrea2,vcovrea2,tetarea2,qrea2,masserea2,psrea2,1,nlev) |
| 297 |
qrea2(:,:)=max(qrea2(:,:),0.1) |
| 298 |
factt=dtvr*iperiod/daysec |
| 299 |
ztau(:)=factt/max(alpha_T(:),1.e-10) |
| 300 |
call wrgrads(igrads,1,aire ,'aire ','aire ' ) |
| 301 |
call wrgrads(igrads,1,dxdys ,'dxdy ','dxdy ' ) |
| 302 |
call wrgrads(igrads,1,alpha_u,'au ','au ' ) |
| 303 |
call wrgrads(igrads,1,alpha_T,'at ','at ' ) |
| 304 |
call wrgrads(igrads,1,ztau,'taut ','taut ' ) |
| 305 |
call wrgrads(igrads,llm,ucov,'u ','u ' ) |
| 306 |
call wrgrads(igrads,llm,ucovrea2,'ua ','ua ' ) |
| 307 |
call wrgrads(igrads,llm,teta,'T ','T ' ) |
| 308 |
call wrgrads(igrads,llm,tetarea2,'Ta ','Ta ' ) |
| 309 |
call wrgrads(igrads,llm,qrea2,'Qa ','Qa ' ) |
| 310 |
call wrgrads(igrads,llm,q,'Q ','Q ' ) |
| 311 |
|
| 312 |
call wrgrads(igrads,llm,qsat,'QSAT ','QSAT ' ) |
| 313 |
|
| 314 |
endif |
| 315 |
else |
| 316 |
count_no_rea=count_no_rea+1 |
| 317 |
endif |
| 318 |
|
| 319 |
!----------------------------------------------------------------------- |
| 320 |
! Guidage |
| 321 |
! x_gcm = a * x_gcm + (1-a) * x_reanalyses |
| 322 |
!----------------------------------------------------------------------- |
| 323 |
|
| 324 |
if(ini_anal) print*,'ATTENTION !!! ON PART DU GUIDAGE' |
| 325 |
|
| 326 |
ditau=real(itau) |
| 327 |
dday_step=real(day_step) |
| 328 |
|
| 329 |
|
| 330 |
tau=4*ditau/dday_step |
| 331 |
tau=tau-aint(tau) |
| 332 |
|
| 333 |
! ucov |
| 334 |
if (guide_u) then |
| 335 |
do l=1,llm |
| 336 |
do ij=1,ip1jmp1 |
| 337 |
a=(1.-tau)*ucovrea1(ij,l)+tau*ucovrea2(ij,l) |
| 338 |
ucov(ij,l)=(1.-alpha_u(ij))*ucov(ij,l)+alpha_u(ij)*a |
| 339 |
if (first.and.ini_anal) ucov(ij,l)=a |
| 340 |
enddo |
| 341 |
enddo |
| 342 |
endif |
| 343 |
|
| 344 |
! teta |
| 345 |
if (guide_T) then |
| 346 |
do l=1,llm |
| 347 |
do ij=1,ip1jmp1 |
| 348 |
a=(1.-tau)*tetarea1(ij,l)+tau*tetarea2(ij,l) |
| 349 |
teta(ij,l)=(1.-alpha_T(ij))*teta(ij,l)+alpha_T(ij)*a |
| 350 |
if (first.and.ini_anal) teta(ij,l)=a |
| 351 |
enddo |
| 352 |
enddo |
| 353 |
endif |
| 354 |
|
| 355 |
! P |
| 356 |
if (guide_P) then |
| 357 |
do ij=1,ip1jmp1 |
| 358 |
a=(1.-tau)*psrea1(ij)+tau*psrea2(ij) |
| 359 |
ps(ij)=(1.-alpha_P(ij))*ps(ij)+alpha_P(ij)*a |
| 360 |
if (first.and.ini_anal) ps(ij)=a |
| 361 |
enddo |
| 362 |
CALL pression(ip1jmp1,ap,bp,ps,p) |
| 363 |
CALL massdair(p,masse) |
| 364 |
endif |
| 365 |
|
| 366 |
|
| 367 |
! q |
| 368 |
if (guide_Q) then |
| 369 |
do l=1,llm |
| 370 |
do ij=1,ip1jmp1 |
| 371 |
a=(1.-tau)*qrea1(ij,l)+tau*qrea2(ij,l) |
| 372 |
! hum relative en % -> hum specif |
| 373 |
a=qsat(ij,l)*a*0.01 |
| 374 |
q(ij,l)=(1.-alpha_Q(ij))*q(ij,l)+alpha_Q(ij)*a |
| 375 |
if (first.and.ini_anal) q(ij,l)=a |
| 376 |
enddo |
| 377 |
enddo |
| 378 |
endif |
| 379 |
|
| 380 |
! vcov |
| 381 |
if (guide_v) then |
| 382 |
do l=1,llm |
| 383 |
do ij=1,ip1jm |
| 384 |
a=(1.-tau)*vcovrea1(ij,l)+tau*vcovrea2(ij,l) |
| 385 |
vcov(ij,l)=(1.-alpha_v(ij))*vcov(ij,l)+alpha_v(ij)*a |
| 386 |
if (first.and.ini_anal) vcov(ij,l)=a |
| 387 |
enddo |
| 388 |
if (first.and.ini_anal) vcov(ij,l)=a |
| 389 |
enddo |
| 390 |
endif |
| 391 |
|
| 392 |
! call dump2d(iip1,jjp1,tetarea1,'TETA REA 1 ') |
| 393 |
! call dump2d(iip1,jjp1,tetarea2,'TETA REA 2 ') |
| 394 |
! call dump2d(iip1,jjp1,teta,'TETA ') |
| 395 |
|
| 396 |
first=.false. |
| 397 |
|
| 398 |
return |
| 399 |
end subroutine guide |
| 400 |
|
| 401 |
!======================================================================= |
| 402 |
subroutine tau2alpha(type,pim,pjm,factt,taumin,taumax,alpha) |
| 403 |
!======================================================================= |
| 404 |
|
| 405 |
use dimens_m |
| 406 |
use paramet_m |
| 407 |
use comconst, only: pi |
| 408 |
use comgeom |
| 409 |
use serre |
| 410 |
implicit none |
| 411 |
|
| 412 |
! arguments : |
| 413 |
integer type |
| 414 |
integer pim,pjm |
| 415 |
real factt,taumin,taumax |
| 416 |
real dxdy_,alpha(pim,pjm) |
| 417 |
real dxdy_min,dxdy_max |
| 418 |
|
| 419 |
! local : |
| 420 |
real alphamin,alphamax,gamma,xi |
| 421 |
save gamma |
| 422 |
integer i,j,ilon,ilat |
| 423 |
|
| 424 |
logical first |
| 425 |
save first |
| 426 |
data first/.true./ |
| 427 |
|
| 428 |
real zdx(iip1,jjp1),zdy(iip1,jjp1) |
| 429 |
|
| 430 |
real zlat |
| 431 |
real dxdys(iip1,jjp1),dxdyu(iip1,jjp1),dxdyv(iip1,jjm) |
| 432 |
common/comdxdy/dxdys,dxdyu,dxdyv |
| 433 |
|
| 434 |
if (first) then |
| 435 |
do j=2,jjm |
| 436 |
do i=2,iip1 |
| 437 |
zdx(i,j)=0.5*(cu_2d(i-1,j)+cu_2d(i,j))/cos(rlatu(j)) |
| 438 |
enddo |
| 439 |
zdx(1,j)=zdx(iip1,j) |
| 440 |
enddo |
| 441 |
do j=2,jjm |
| 442 |
do i=1,iip1 |
| 443 |
zdy(i,j)=0.5*(cv_2d(i,j-1)+cv_2d(i,j)) |
| 444 |
enddo |
| 445 |
enddo |
| 446 |
do i=1,iip1 |
| 447 |
zdx(i,1)=zdx(i,2) |
| 448 |
zdx(i,jjp1)=zdx(i,jjm) |
| 449 |
zdy(i,1)=zdy(i,2) |
| 450 |
zdy(i,jjp1)=zdy(i,jjm) |
| 451 |
enddo |
| 452 |
do j=1,jjp1 |
| 453 |
do i=1,iip1 |
| 454 |
dxdys(i,j)=sqrt(zdx(i,j)*zdx(i,j)+zdy(i,j)*zdy(i,j)) |
| 455 |
enddo |
| 456 |
enddo |
| 457 |
do j=1,jjp1 |
| 458 |
do i=1,iim |
| 459 |
dxdyu(i,j)=0.5*(dxdys(i,j)+dxdys(i+1,j)) |
| 460 |
enddo |
| 461 |
dxdyu(iip1,j)=dxdyu(1,j) |
| 462 |
enddo |
| 463 |
do j=1,jjm |
| 464 |
do i=1,iip1 |
| 465 |
dxdyv(i,j)=0.5*(dxdys(i,j)+dxdys(i+1,j)) |
| 466 |
enddo |
| 467 |
enddo |
| 468 |
|
| 469 |
call dump2d(iip1,jjp1,dxdys,'DX2DY2 SCAL ') |
| 470 |
call dump2d(iip1,jjp1,dxdyu,'DX2DY2 U ') |
| 471 |
call dump2d(iip1,jjp1,dxdyv,'DX2DY2 v ') |
| 472 |
|
| 473 |
! coordonnees du centre du zoom |
| 474 |
call coordij(clon,clat,ilon,ilat) |
| 475 |
! aire de la maille au centre du zoom |
| 476 |
dxdy_min=dxdys(ilon,ilat) |
| 477 |
! dxdy maximale de la maille |
| 478 |
dxdy_max=0. |
| 479 |
do j=1,jjp1 |
| 480 |
do i=1,iip1 |
| 481 |
dxdy_max=max(dxdy_max,dxdys(i,j)) |
| 482 |
enddo |
| 483 |
enddo |
| 484 |
|
| 485 |
if (abs(grossismx-1.).lt.0.1.or.abs(grossismy-1.).lt.0.1) then |
| 486 |
print*,'ATTENTION modele peu zoome' |
| 487 |
print*,'ATTENTION on prend une constante de guidage cste' |
| 488 |
gamma=0. |
| 489 |
else |
| 490 |
gamma=(dxdy_max-2.*dxdy_min)/(dxdy_max-dxdy_min) |
| 491 |
print*,'gamma=',gamma |
| 492 |
if (gamma.lt.1.e-5) then |
| 493 |
print*,'gamma =',gamma,'<1e-5' |
| 494 |
stop |
| 495 |
endif |
| 496 |
print*,'gamma=',gamma |
| 497 |
gamma=log(0.5)/log(gamma) |
| 498 |
endif |
| 499 |
endif |
| 500 |
|
| 501 |
alphamin=factt/taumax |
| 502 |
alphamax=factt/taumin |
| 503 |
|
| 504 |
do j=1,pjm |
| 505 |
do i=1,pim |
| 506 |
if (type.eq.1) then |
| 507 |
dxdy_=dxdys(i,j) |
| 508 |
zlat=rlatu(j)*180./pi |
| 509 |
elseif (type.eq.2) then |
| 510 |
dxdy_=dxdyu(i,j) |
| 511 |
zlat=rlatu(j)*180./pi |
| 512 |
elseif (type.eq.3) then |
| 513 |
dxdy_=dxdyv(i,j) |
| 514 |
zlat=rlatv(j)*180./pi |
| 515 |
endif |
| 516 |
if (abs(grossismx-1.).lt.0.1.or.abs(grossismy-1.).lt.0.1) then |
| 517 |
! pour une grille reguliere, xi=xxx**0=1 -> alpha=alphamin |
| 518 |
alpha(i,j)=alphamin |
| 519 |
else |
| 520 |
xi=((dxdy_max-dxdy_)/(dxdy_max-dxdy_min))**gamma |
| 521 |
xi=min(xi,1.) |
| 522 |
if(lat_min_guide.le.zlat .and. zlat.le.lat_max_guide) then |
| 523 |
alpha(i,j)=xi*alphamin+(1.-xi)*alphamax |
| 524 |
else |
| 525 |
alpha(i,j)=0. |
| 526 |
endif |
| 527 |
endif |
| 528 |
enddo |
| 529 |
enddo |
| 530 |
|
| 531 |
|
| 532 |
return |
| 533 |
end subroutine tau2alpha |
| 534 |
|
| 535 |
end module guide_m |
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