1 |
module guide_m |
MODULE guide_m |
2 |
|
|
3 |
! From dyn3d/guide.F,v 1.3 2005/05/25 13:10:09 |
! From dyn3d/guide.F, version 1.3, 2005/05/25 13:10:09 |
4 |
! and dyn3d/guide.h,v 1.1.1.1 2004/05/19 12:53:06 |
! and dyn3d/guide.h, version 1.1.1.1, 2004/05/19 12:53:06 |
5 |
|
|
6 |
real tau_min_u,tau_max_u |
IMPLICIT NONE |
|
real tau_min_v,tau_max_v |
|
|
real tau_min_T,tau_max_T |
|
|
real tau_min_q,tau_max_q |
|
|
real tau_min_P,tau_max_P |
|
|
real aire_min,aire_max |
|
|
|
|
|
|
|
|
logical guide_u,guide_v,guide_T,guide_Q,guide_P |
|
|
real lat_min_guide,lat_max_guide |
|
|
|
|
|
LOGICAL ncep,ini_anal |
|
|
integer online |
|
|
|
|
|
contains |
|
|
|
|
|
subroutine guide(itau,ucov,vcov,teta,q,masse,ps) |
|
|
|
|
|
use dimens_m |
|
|
use paramet_m |
|
|
use comconst |
|
|
use comdissnew |
|
|
use comvert |
|
|
use conf_gcm_m |
|
|
use logic |
|
|
use comgeom |
|
|
use serre |
|
|
use temps |
|
|
use tracstoke |
|
|
use ener |
|
|
use q_sat_m, only: q_sat |
|
|
use exner_hyb_m, only: exner_hyb |
|
|
use pression_m, only: pression |
|
|
use inigrads_m, only: inigrads |
|
|
|
|
|
IMPLICIT NONE |
|
|
|
|
|
! ...... Version du 10/01/98 .......... |
|
|
|
|
|
! avec coordonnees verticales hybrides |
|
|
! avec nouveaux operat. dissipation * ( gradiv2,divgrad2,nxgraro2 ) |
|
|
|
|
|
!======================================================================= |
|
|
! |
|
|
! Auteur: F.Hourdin |
|
|
! ------- |
|
|
! |
|
|
! Objet: |
|
|
! ------ |
|
|
! |
|
|
! GCM LMD nouvelle grille |
|
|
! |
|
|
!======================================================================= |
|
|
|
|
|
! ... Dans inigeom , nouveaux calculs pour les elongations cu , cv |
|
|
! et possibilite d'appeler une fonction f(y) a derivee tangente |
|
|
! hyperbolique a la place de la fonction a derivee sinusoidale. |
|
|
|
|
|
! ... Possibilite de choisir le shema de Van-leer pour l'advection de |
|
|
! q , en faisant iadv = 10 dans traceur (29/04/97) . |
|
|
! |
|
|
!----------------------------------------------------------------------- |
|
|
! Declarations: |
|
|
! ------------- |
|
7 |
|
|
8 |
include "netcdf.inc" |
CONTAINS |
9 |
|
|
10 |
! variables dynamiques |
SUBROUTINE guide(itau, ucov, vcov, teta, q, ps) |
|
REAL vcov(ip1jm,llm),ucov(ip1jmp1,llm) ! vents covariants |
|
|
REAL teta(ip1jmp1,llm) ! temperature potentielle |
|
|
REAL q(ip1jmp1,llm) ! temperature potentielle |
|
|
REAL ps(ip1jmp1) ! pression au sol |
|
|
REAL masse(ip1jmp1,llm) ! masse d'air |
|
|
|
|
|
! common passe pour des sorties |
|
|
real dxdys(iip1,jjp1),dxdyu(iip1,jjp1),dxdyv(iip1,jjm) |
|
|
common/comdxdy/dxdys,dxdyu,dxdyv |
|
|
|
|
|
! variables dynamiques pour les reanalyses. |
|
|
REAL ucovrea1(ip1jmp1,llm),vcovrea1(ip1jm,llm) !vts cov reas |
|
|
REAL tetarea1(ip1jmp1,llm) ! temp pot reales |
|
|
REAL qrea1(ip1jmp1,llm) ! temp pot reales |
|
|
REAL psrea1(ip1jmp1) ! ps |
|
|
REAL ucovrea2(ip1jmp1,llm),vcovrea2(ip1jm,llm) !vts cov reas |
|
|
REAL tetarea2(ip1jmp1,llm) ! temp pot reales |
|
|
REAL qrea2(ip1jmp1,llm) ! temp pot reales |
|
|
REAL masserea2(ip1jmp1,llm) ! masse |
|
|
REAL psrea2(ip1jmp1) ! ps |
|
|
|
|
|
real alpha_q(ip1jmp1) |
|
|
real alpha_T(ip1jmp1),alpha_P(ip1jmp1) |
|
|
real alpha_u(ip1jmp1),alpha_v(ip1jm) |
|
|
real dday_step,toto,reste,itau_test |
|
|
INTEGER step_rea,count_no_rea |
|
|
|
|
|
!IM 180305 real aire_min,aire_max |
|
|
integer ilon,ilat |
|
|
real factt,ztau(ip1jmp1) |
|
|
|
|
|
INTEGER, intent(in):: itau |
|
|
integer ij, l |
|
|
integer ncidpl,varidpl,nlev,status |
|
|
integer rcod,rid |
|
|
real ditau,tau,a |
|
|
save nlev |
|
|
|
|
|
! TEST SUR QSAT |
|
|
real p(ip1jmp1,llmp1),pk(ip1jmp1,llm),pks(ip1jmp1) |
|
|
real pkf(ip1jmp1,llm) |
|
|
real pres(ip1jmp1,llm) |
|
|
|
|
|
real qsat(ip1jmp1,llm) |
|
|
real unskap |
|
|
real tnat(ip1jmp1,llm) |
|
|
!cccccccccccccccc |
|
|
|
|
|
|
|
|
LOGICAL first |
|
|
save first |
|
|
data first/.true./ |
|
|
|
|
|
save ucovrea1,vcovrea1,tetarea1,psrea1,qrea1 |
|
|
save ucovrea2,vcovrea2,tetarea2,masserea2,psrea2,qrea2 |
|
|
|
|
|
save alpha_T,alpha_q,alpha_u,alpha_v,alpha_P,itau_test |
|
|
save step_rea,count_no_rea |
|
|
|
|
|
character*10 file |
|
|
integer igrads |
|
|
real dtgrads |
|
|
save igrads,dtgrads |
|
|
data igrads,dtgrads/2,100./ |
|
11 |
|
|
12 |
print *,'Call sequence information: guide' |
! Author: F. Hourdin |
13 |
|
|
14 |
!----------------------------------------------------------------------- |
USE comconst, ONLY: cpp, kappa |
15 |
! calcul de l'humidite saturante |
USE conf_gcm_m, ONLY: day_step |
16 |
!----------------------------------------------------------------------- |
use conf_guide_m, only: guide_u, guide_v, guide_t, guide_q, ini_anal, & |
17 |
CALL pression( ip1jmp1, ap, bp, ps, p ) |
alpha_u, alpha_v, alpha_t, alpha_q |
18 |
call massdair(p,masse) |
USE dimens_m, ONLY: iim, jjm, llm |
19 |
print*,'OK1' |
USE disvert_m, ONLY: ap, bp, preff |
20 |
CALL exner_hyb(ps,p,pks,pk,pkf) |
USE exner_hyb_m, ONLY: exner_hyb |
21 |
print*,'OK2' |
USE q_sat_m, ONLY: q_sat |
22 |
tnat(:,:)=pk(:,:)*teta(:,:)/cpp |
use read_reanalyse_m, only: read_reanalyse |
23 |
print*,'OK3' |
use writefield_m, only: writefield |
|
unskap = 1./ kappa |
|
|
pres(:,:)=preff*(pk(:,:)/cpp)**unskap |
|
|
print*,'OK4' |
|
|
qsat = q_sat(tnat, pres) |
|
24 |
|
|
25 |
!----------------------------------------------------------------------- |
INTEGER, INTENT(IN):: itau |
26 |
|
REAL, intent(inout):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm) vent covariant |
27 |
|
REAL, intent(inout):: vcov(:, :, :) ! (iim + 1, jjm, llm) ! vent covariant |
28 |
|
|
29 |
!----------------------------------------------------------------------- |
REAL, intent(inout):: teta(:, :, :) ! (iim + 1, jjm + 1, llm) |
30 |
! initialisations pour la lecture des reanalyses. |
! température potentielle |
|
! alpha determine la part des injections de donnees a chaque etape |
|
|
! alpha=1 signifie pas d'injection |
|
|
! alpha=0 signifie injection totale |
|
|
!----------------------------------------------------------------------- |
|
31 |
|
|
32 |
print*,'ONLINE=',online |
REAL, intent(inout):: q(:, :, :) ! (iim + 1, jjm + 1, llm) |
33 |
if(online.eq.-1) then |
REAL, intent(in):: ps(:, :) ! (iim + 1, jjm + 1) pression au sol |
|
return |
|
|
endif |
|
|
|
|
|
if (first) then |
|
|
|
|
|
print*,'initialisation du guide ' |
|
|
call conf_guide |
|
|
print*,'apres conf_guide' |
|
|
|
|
|
file='guide' |
|
|
call inigrads(igrads & |
|
|
,rlonv,180./pi,-180.,180.,rlatu,-90.,90.,180./pi & |
|
|
,presnivs,1. & |
|
|
,dtgrads,file,'dyn_zon ') |
|
|
|
|
|
print* & |
|
|
,'1: en-ligne, 0: hors-ligne (x=x_rea), -1: climat (x=x_gcm)' |
|
|
|
|
|
if(online.eq.-1) return |
|
|
if (online.eq.1) then |
|
|
|
|
|
!ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
|
|
! Constantes de temps de rappel en jour |
|
|
! 0.1 c'est en gros 2h30. |
|
|
! 1e10 est une constante infinie donc en gros pas de guidage |
|
|
!ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
|
|
! coordonnees du centre du zoom |
|
|
call coordij(clon,clat,ilon,ilat) |
|
|
! aire de la maille au centre du zoom |
|
|
aire_min=aire(ilon+(ilat-1)*iip1) |
|
|
! aire maximale de la maille |
|
|
aire_max=0. |
|
|
do ij=1,ip1jmp1 |
|
|
aire_max=max(aire_max,aire(ij)) |
|
|
enddo |
|
|
! factt = pas de temps en fraction de jour |
|
|
factt=dtvr*iperiod/daysec |
|
|
|
|
|
! subroutine tau2alpha(type,im,jm,factt,taumin,taumax,alpha) |
|
|
call tau2alpha(3,iip1,jjm ,factt,tau_min_v,tau_max_v,alpha_v) |
|
|
call tau2alpha(2,iip1,jjp1,factt,tau_min_u,tau_max_u,alpha_u) |
|
|
call tau2alpha(1,iip1,jjp1,factt,tau_min_T,tau_max_T,alpha_T) |
|
|
call tau2alpha(1,iip1,jjp1,factt,tau_min_P,tau_max_P,alpha_P) |
|
|
call tau2alpha(1,iip1,jjp1,factt,tau_min_q,tau_max_q,alpha_q) |
|
|
|
|
|
call dump2d(iip1,jjp1,aire,'AIRE MAILLe ') |
|
|
call dump2d(iip1,jjp1,alpha_u,'COEFF U ') |
|
|
call dump2d(iip1,jjp1,alpha_T,'COEFF T ') |
|
|
|
|
|
!ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
|
|
! Cas ou on force exactement par les variables analysees |
|
|
else |
|
|
alpha_T=0. |
|
|
alpha_u=0. |
|
|
alpha_v=0. |
|
|
alpha_P=0. |
|
|
! physic=.false. |
|
|
endif |
|
|
|
|
|
itau_test=1001 |
|
|
step_rea=1 |
|
|
count_no_rea=0 |
|
|
ncidpl=-99 |
|
34 |
|
|
35 |
! itau_test montre si l'importation a deja ete faite au rang itau |
! Local: |
|
! lecture d'un fichier netcdf pour determiner le nombre de niveaux |
|
|
if (guide_u) then |
|
|
if (ncidpl.eq.-99) ncidpl=NCOPN('u.nc',NCNOWRIT,rcod) |
|
|
endif |
|
|
! |
|
|
if (guide_v) then |
|
|
if (ncidpl.eq.-99) ncidpl=NCOPN('v.nc',NCNOWRIT,rcod) |
|
|
endif |
|
|
! |
|
|
if (guide_T) then |
|
|
if (ncidpl.eq.-99) ncidpl=NCOPN('T.nc',NCNOWRIT,rcod) |
|
|
endif |
|
|
! |
|
|
if (guide_Q) then |
|
|
if (ncidpl.eq.-99) ncidpl=NCOPN('hur.nc',NCNOWRIT,rcod) |
|
|
endif |
|
|
! |
|
|
if (ncep) then |
|
|
status=NF_INQ_DIMID(ncidpl,'LEVEL',rid) |
|
|
else |
|
|
status=NF_INQ_DIMID(ncidpl,'PRESSURE',rid) |
|
|
endif |
|
|
status=NF_INQ_DIMLEN(ncidpl,rid,nlev) |
|
|
print *,'nlev', nlev |
|
|
call ncclos(ncidpl,rcod) |
|
|
! Lecture du premier etat des reanalyses. |
|
|
call read_reanalyse(1,ps & |
|
|
,ucovrea2,vcovrea2,tetarea2,qrea2,masserea2,psrea2,1,nlev) |
|
|
qrea2(:,:)=max(qrea2(:,:),0.1) |
|
|
|
|
|
|
|
|
!----------------------------------------------------------------------- |
|
|
! Debut de l'integration temporelle: |
|
|
! ---------------------------------- |
|
36 |
|
|
37 |
endif ! first |
! Variables dynamiques pour les réanalyses |
|
! |
|
|
!----------------------------------------------------------------------- |
|
|
!----- IMPORTATION DES VENTS,PRESSION ET TEMPERATURE REELS: |
|
|
!----------------------------------------------------------------------- |
|
38 |
|
|
39 |
ditau=real(itau) |
REAL, save:: ucovrea1(iim + 1, jjm + 1, llm), vcovrea1(iim + 1, jjm, llm) |
40 |
DDAY_step=real(day_step) |
! vents covariants r\'eanalyses |
41 |
write(*,*)'ditau,dday_step' |
|
42 |
write(*,*)ditau,dday_step |
REAL, save:: tetarea1(iim + 1, jjm + 1, llm) |
43 |
toto=4*ditau/dday_step |
! potential temperture from reanalysis |
44 |
reste=toto-aint(toto) |
|
45 |
! write(*,*)'toto,reste',toto,reste |
REAL, save:: qrea1(iim + 1, jjm + 1, llm) |
46 |
|
|
47 |
if (reste.eq.0.) then |
REAL, save:: ucovrea2(iim + 1, jjm + 1, llm), vcovrea2(iim + 1, jjm, llm) |
48 |
if (itau_test.eq.itau) then |
! vents covariants reanalyses |
49 |
write(*,*)'deuxieme passage de advreel a itau=',itau |
|
50 |
stop |
REAL, save:: tetarea2(iim + 1, jjm + 1, llm) |
51 |
else |
! potential temperture from reanalysis |
52 |
vcovrea1(:,:)=vcovrea2(:,:) |
|
53 |
ucovrea1(:,:)=ucovrea2(:,:) |
REAL, save:: qrea2(iim + 1, jjm + 1, llm) |
54 |
tetarea1(:,:)=tetarea2(:,:) |
|
55 |
qrea1(:,:)=qrea2(:,:) |
INTEGER l |
56 |
|
REAL tau |
57 |
print*,'LECTURE REANALYSES, pas ',step_rea & |
|
58 |
,'apres ',count_no_rea,' non lectures' |
! TEST SUR QSAT |
59 |
step_rea=step_rea+1 |
REAL p(iim + 1, jjm + 1, llm + 1) |
60 |
itau_test=itau |
real pk(iim + 1, jjm + 1, llm), pks(iim + 1, jjm + 1) |
61 |
call read_reanalyse(step_rea,ps & |
REAL qsat(iim + 1, jjm + 1, llm) |
|
,ucovrea2,vcovrea2,tetarea2,qrea2,masserea2,psrea2,1,nlev) |
|
|
qrea2(:,:)=max(qrea2(:,:),0.1) |
|
|
factt=dtvr*iperiod/daysec |
|
|
ztau(:)=factt/max(alpha_T(:),1.e-10) |
|
|
call wrgrads(igrads,1,aire ,'aire ','aire ' ) |
|
|
call wrgrads(igrads,1,dxdys ,'dxdy ','dxdy ' ) |
|
|
call wrgrads(igrads,1,alpha_u,'au ','au ' ) |
|
|
call wrgrads(igrads,1,alpha_T,'at ','at ' ) |
|
|
call wrgrads(igrads,1,ztau,'taut ','taut ' ) |
|
|
call wrgrads(igrads,llm,ucov,'u ','u ' ) |
|
|
call wrgrads(igrads,llm,ucovrea2,'ua ','ua ' ) |
|
|
call wrgrads(igrads,llm,teta,'T ','T ' ) |
|
|
call wrgrads(igrads,llm,tetarea2,'Ta ','Ta ' ) |
|
|
call wrgrads(igrads,llm,qrea2,'Qa ','Qa ' ) |
|
|
call wrgrads(igrads,llm,q,'Q ','Q ' ) |
|
|
|
|
|
call wrgrads(igrads,llm,qsat,'QSAT ','QSAT ' ) |
|
|
|
|
|
endif |
|
|
else |
|
|
count_no_rea=count_no_rea+1 |
|
|
endif |
|
62 |
|
|
|
!----------------------------------------------------------------------- |
|
|
! Guidage |
|
|
! x_gcm = a * x_gcm + (1-a) * x_reanalyses |
|
63 |
!----------------------------------------------------------------------- |
!----------------------------------------------------------------------- |
64 |
|
|
65 |
if(ini_anal) print*,'ATTENTION !!! ON PART DU GUIDAGE' |
IF (itau == 0) THEN |
66 |
|
! Lecture du premier état des réanalyses : |
67 |
|
CALL read_reanalyse(ps, ucovrea2, vcovrea2, tetarea2, qrea2) |
68 |
|
qrea2 = max(qrea2, 0.1) |
69 |
|
|
70 |
ditau=real(itau) |
if (ini_anal) then |
71 |
dday_step=real(day_step) |
IF (guide_u) ucov = ucovrea2 |
72 |
|
IF (guide_v) vcov = vcovrea2 |
73 |
|
IF (guide_t) teta = tetarea2 |
74 |
|
|
75 |
|
IF (guide_q) then |
76 |
|
! Calcul de l'humidité saturante : |
77 |
|
forall (l = 1: llm + 1) p(:, :, l) = ap(l) + bp(l) * ps |
78 |
|
CALL exner_hyb(ps, p, pks, pk) |
79 |
|
q = q_sat(pk * teta / cpp, preff * (pk / cpp)**(1. / kappa)) & |
80 |
|
* qrea2 * 0.01 |
81 |
|
end IF |
82 |
|
end if |
83 |
|
END IF |
84 |
|
|
85 |
tau=4*ditau/dday_step |
! Importation des vents, pression et temp\'erature r\'eels : |
|
tau=tau-aint(tau) |
|
86 |
|
|
87 |
! ucov |
! Nudging fields are given 4 times per day: |
88 |
if (guide_u) then |
IF (mod(itau, day_step / 4) == 0) THEN |
89 |
do l=1,llm |
vcovrea1 = vcovrea2 |
90 |
do ij=1,ip1jmp1 |
ucovrea1 = ucovrea2 |
91 |
a=(1.-tau)*ucovrea1(ij,l)+tau*ucovrea2(ij,l) |
tetarea1 = tetarea2 |
92 |
ucov(ij,l)=(1.-alpha_u(ij))*ucov(ij,l)+alpha_u(ij)*a |
qrea1 = qrea2 |
|
if (first.and.ini_anal) ucov(ij,l)=a |
|
|
enddo |
|
|
enddo |
|
|
endif |
|
|
|
|
|
! teta |
|
|
if (guide_T) then |
|
|
do l=1,llm |
|
|
do ij=1,ip1jmp1 |
|
|
a=(1.-tau)*tetarea1(ij,l)+tau*tetarea2(ij,l) |
|
|
teta(ij,l)=(1.-alpha_T(ij))*teta(ij,l)+alpha_T(ij)*a |
|
|
if (first.and.ini_anal) teta(ij,l)=a |
|
|
enddo |
|
|
enddo |
|
|
endif |
|
|
|
|
|
! P |
|
|
if (guide_P) then |
|
|
do ij=1,ip1jmp1 |
|
|
a=(1.-tau)*psrea1(ij)+tau*psrea2(ij) |
|
|
ps(ij)=(1.-alpha_P(ij))*ps(ij)+alpha_P(ij)*a |
|
|
if (first.and.ini_anal) ps(ij)=a |
|
|
enddo |
|
|
CALL pression(ip1jmp1,ap,bp,ps,p) |
|
|
CALL massdair(p,masse) |
|
|
endif |
|
|
|
|
|
|
|
|
! q |
|
|
if (guide_Q) then |
|
|
do l=1,llm |
|
|
do ij=1,ip1jmp1 |
|
|
a=(1.-tau)*qrea1(ij,l)+tau*qrea2(ij,l) |
|
|
! hum relative en % -> hum specif |
|
|
a=qsat(ij,l)*a*0.01 |
|
|
q(ij,l)=(1.-alpha_Q(ij))*q(ij,l)+alpha_Q(ij)*a |
|
|
if (first.and.ini_anal) q(ij,l)=a |
|
|
enddo |
|
|
enddo |
|
|
endif |
|
|
|
|
|
! vcov |
|
|
if (guide_v) then |
|
|
do l=1,llm |
|
|
do ij=1,ip1jm |
|
|
a=(1.-tau)*vcovrea1(ij,l)+tau*vcovrea2(ij,l) |
|
|
vcov(ij,l)=(1.-alpha_v(ij))*vcov(ij,l)+alpha_v(ij)*a |
|
|
if (first.and.ini_anal) vcov(ij,l)=a |
|
|
enddo |
|
|
if (first.and.ini_anal) vcov(ij,l)=a |
|
|
enddo |
|
|
endif |
|
|
|
|
|
! call dump2d(iip1,jjp1,tetarea1,'TETA REA 1 ') |
|
|
! call dump2d(iip1,jjp1,tetarea2,'TETA REA 2 ') |
|
|
! call dump2d(iip1,jjp1,teta,'TETA ') |
|
|
|
|
|
first=.false. |
|
|
|
|
|
return |
|
|
end subroutine guide |
|
|
|
|
|
!======================================================================= |
|
|
subroutine tau2alpha(type,pim,pjm,factt,taumin,taumax,alpha) |
|
|
!======================================================================= |
|
|
|
|
|
use dimens_m |
|
|
use paramet_m |
|
|
use comconst, only: pi |
|
|
use comgeom |
|
|
use serre |
|
|
implicit none |
|
|
|
|
|
! arguments : |
|
|
integer type |
|
|
integer pim,pjm |
|
|
real factt,taumin,taumax |
|
|
real dxdy_,alpha(pim,pjm) |
|
|
real dxdy_min,dxdy_max |
|
|
|
|
|
! local : |
|
|
real alphamin,alphamax,gamma,xi |
|
|
save gamma |
|
|
integer i,j,ilon,ilat |
|
|
|
|
|
logical first |
|
|
save first |
|
|
data first/.true./ |
|
|
|
|
|
real zdx(iip1,jjp1),zdy(iip1,jjp1) |
|
|
|
|
|
real zlat |
|
|
real dxdys(iip1,jjp1),dxdyu(iip1,jjp1),dxdyv(iip1,jjm) |
|
|
common/comdxdy/dxdys,dxdyu,dxdyv |
|
|
|
|
|
if (first) then |
|
|
do j=2,jjm |
|
|
do i=2,iip1 |
|
|
zdx(i,j)=0.5*(cu_2d(i-1,j)+cu_2d(i,j))/cos(rlatu(j)) |
|
|
enddo |
|
|
zdx(1,j)=zdx(iip1,j) |
|
|
enddo |
|
|
do j=2,jjm |
|
|
do i=1,iip1 |
|
|
zdy(i,j)=0.5*(cv_2d(i,j-1)+cv_2d(i,j)) |
|
|
enddo |
|
|
enddo |
|
|
do i=1,iip1 |
|
|
zdx(i,1)=zdx(i,2) |
|
|
zdx(i,jjp1)=zdx(i,jjm) |
|
|
zdy(i,1)=zdy(i,2) |
|
|
zdy(i,jjp1)=zdy(i,jjm) |
|
|
enddo |
|
|
do j=1,jjp1 |
|
|
do i=1,iip1 |
|
|
dxdys(i,j)=sqrt(zdx(i,j)*zdx(i,j)+zdy(i,j)*zdy(i,j)) |
|
|
enddo |
|
|
enddo |
|
|
do j=1,jjp1 |
|
|
do i=1,iim |
|
|
dxdyu(i,j)=0.5*(dxdys(i,j)+dxdys(i+1,j)) |
|
|
enddo |
|
|
dxdyu(iip1,j)=dxdyu(1,j) |
|
|
enddo |
|
|
do j=1,jjm |
|
|
do i=1,iip1 |
|
|
dxdyv(i,j)=0.5*(dxdys(i,j)+dxdys(i+1,j)) |
|
|
enddo |
|
|
enddo |
|
|
|
|
|
call dump2d(iip1,jjp1,dxdys,'DX2DY2 SCAL ') |
|
|
call dump2d(iip1,jjp1,dxdyu,'DX2DY2 U ') |
|
|
call dump2d(iip1,jjp1,dxdyv,'DX2DY2 v ') |
|
|
|
|
|
! coordonnees du centre du zoom |
|
|
call coordij(clon,clat,ilon,ilat) |
|
|
! aire de la maille au centre du zoom |
|
|
dxdy_min=dxdys(ilon,ilat) |
|
|
! dxdy maximale de la maille |
|
|
dxdy_max=0. |
|
|
do j=1,jjp1 |
|
|
do i=1,iip1 |
|
|
dxdy_max=max(dxdy_max,dxdys(i,j)) |
|
|
enddo |
|
|
enddo |
|
|
|
|
|
if (abs(grossismx-1.).lt.0.1.or.abs(grossismy-1.).lt.0.1) then |
|
|
print*,'ATTENTION modele peu zoome' |
|
|
print*,'ATTENTION on prend une constante de guidage cste' |
|
|
gamma=0. |
|
|
else |
|
|
gamma=(dxdy_max-2.*dxdy_min)/(dxdy_max-dxdy_min) |
|
|
print*,'gamma=',gamma |
|
|
if (gamma.lt.1.e-5) then |
|
|
print*,'gamma =',gamma,'<1e-5' |
|
|
stop |
|
|
endif |
|
|
print*,'gamma=',gamma |
|
|
gamma=log(0.5)/log(gamma) |
|
|
endif |
|
|
endif |
|
|
|
|
|
alphamin=factt/taumax |
|
|
alphamax=factt/taumin |
|
|
|
|
|
do j=1,pjm |
|
|
do i=1,pim |
|
|
if (type.eq.1) then |
|
|
dxdy_=dxdys(i,j) |
|
|
zlat=rlatu(j)*180./pi |
|
|
elseif (type.eq.2) then |
|
|
dxdy_=dxdyu(i,j) |
|
|
zlat=rlatu(j)*180./pi |
|
|
elseif (type.eq.3) then |
|
|
dxdy_=dxdyv(i,j) |
|
|
zlat=rlatv(j)*180./pi |
|
|
endif |
|
|
if (abs(grossismx-1.).lt.0.1.or.abs(grossismy-1.).lt.0.1) then |
|
|
! pour une grille reguliere, xi=xxx**0=1 -> alpha=alphamin |
|
|
alpha(i,j)=alphamin |
|
|
else |
|
|
xi=((dxdy_max-dxdy_)/(dxdy_max-dxdy_min))**gamma |
|
|
xi=min(xi,1.) |
|
|
if(lat_min_guide.le.zlat .and. zlat.le.lat_max_guide) then |
|
|
alpha(i,j)=xi*alphamin+(1.-xi)*alphamax |
|
|
else |
|
|
alpha(i,j)=0. |
|
|
endif |
|
|
endif |
|
|
enddo |
|
|
enddo |
|
93 |
|
|
94 |
|
CALL read_reanalyse(ps, ucovrea2, vcovrea2, tetarea2, qrea2) |
95 |
|
qrea2 = max(qrea2, 0.1) |
96 |
|
|
97 |
|
if (guide_u) then |
98 |
|
CALL writefield("ucov", ucov) |
99 |
|
CALL writefield("ucovrea2", ucovrea2) |
100 |
|
end if |
101 |
|
|
102 |
|
if (guide_t) then |
103 |
|
CALL writefield("teta", teta) |
104 |
|
CALL writefield("tetarea2", tetarea2) |
105 |
|
end if |
106 |
|
|
107 |
|
if (guide_q) then |
108 |
|
CALL writefield("qrea2", qrea2) |
109 |
|
CALL writefield("q", q) |
110 |
|
end if |
111 |
|
END IF |
112 |
|
|
113 |
|
! Guidage |
114 |
|
|
115 |
|
tau = mod(real(itau) / real(day_step / 4), 1.) |
116 |
|
|
117 |
|
! x_gcm = a * x_gcm + (1 - a) * x_reanalyses |
118 |
|
|
119 |
|
IF (guide_u) forall (l = 1: llm) ucov(:, :, l) = (1. - alpha_u) & |
120 |
|
* ucov(:, :, l) + alpha_u * ((1. - tau) * ucovrea1(:, :, l) + tau & |
121 |
|
* ucovrea2(:, :, l)) |
122 |
|
|
123 |
|
IF (guide_v) forall (l = 1: llm) vcov(:, :, l) = (1. - alpha_v) & |
124 |
|
* vcov(:, :, l) + alpha_v * ((1. - tau) * vcovrea1(:, :, l) + tau & |
125 |
|
* vcovrea2(:, :, l)) |
126 |
|
|
127 |
|
IF (guide_t) forall (l = 1: llm) teta(:, :, l) = (1. - alpha_t) & |
128 |
|
* teta(:, :, l) + alpha_t * ((1. - tau) * tetarea1(:, :, l) + tau & |
129 |
|
* tetarea2(:, :, l)) |
130 |
|
|
131 |
|
IF (guide_q) THEN |
132 |
|
! Calcul de l'humidité saturante : |
133 |
|
forall (l = 1: llm + 1) p(:, :, l) = ap(l) + bp(l) * ps |
134 |
|
CALL exner_hyb(ps, p, pks, pk) |
135 |
|
qsat = q_sat(pk * teta / cpp, preff * (pk / cpp)**(1. / kappa)) |
136 |
|
|
137 |
|
! humidité relative en % -> humidité spécifique |
138 |
|
forall (l = 1: llm) q(:, :, l) = (1. - alpha_q) * q(:, :, l) & |
139 |
|
+ alpha_q * (qsat(:, :, l) * ((1. - tau) * qrea1(:, :, l) & |
140 |
|
+ tau * qrea2(:, :, l)) * 0.01) |
141 |
|
END IF |
142 |
|
|
143 |
return |
END SUBROUTINE guide |
|
end subroutine tau2alpha |
|
144 |
|
|
145 |
end module guide_m |
END MODULE guide_m |