| 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" |
REAL aire_min, aire_max |
| 9 |
|
|
| 10 |
! variables dynamiques |
CONTAINS |
|
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' |
SUBROUTINE guide(itau, ucov, vcov, teta, q, ps) |
| 13 |
|
|
| 14 |
!----------------------------------------------------------------------- |
! Author: F.Hourdin |
|
! calcul de l'humidite saturante |
|
|
!----------------------------------------------------------------------- |
|
|
CALL pression( ip1jmp1, ap, bp, ps, p ) |
|
|
call massdair(p,masse) |
|
|
print*,'OK1' |
|
|
CALL exner_hyb(ps,p,pks,pk,pkf) |
|
|
print*,'OK2' |
|
|
tnat(:,:)=pk(:,:)*teta(:,:)/cpp |
|
|
print*,'OK3' |
|
|
unskap = 1./ kappa |
|
|
pres(:,:)=preff*(pk(:,:)/cpp)**unskap |
|
|
print*,'OK4' |
|
|
qsat = q_sat(tnat, pres) |
|
| 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, online |
| 22 |
|
USE dimens_m, ONLY: iim, jjm, llm |
| 23 |
|
USE disvert_m, ONLY: ap, bp, preff, presnivs |
| 24 |
|
use dump2d_m, only: dump2d |
| 25 |
|
USE exner_hyb_m, ONLY: exner_hyb |
| 26 |
|
USE inigrads_m, ONLY: inigrads |
| 27 |
|
use netcdf, only: nf90_nowrite, nf90_close, nf90_inq_dimid |
| 28 |
|
use netcdf95, only: nf95_inquire_dimension, nf95_open |
| 29 |
|
use nr_util, only: pi |
| 30 |
|
USE paramet_m, ONLY: iip1, ip1jmp1, jjp1, llmp1 |
| 31 |
|
USE q_sat_m, ONLY: q_sat |
| 32 |
|
use read_reanalyse_m, only: read_reanalyse |
| 33 |
|
USE serre, ONLY: clat, clon |
| 34 |
|
use tau2alpha_m, only: tau2alpha, dxdys |
| 35 |
|
|
| 36 |
!----------------------------------------------------------------------- |
INTEGER, INTENT(IN):: itau |
|
! initialisations pour la lecture des reanalyses. |
|
|
! alpha determine la part des injections de donnees a chaque etape |
|
|
! alpha=1 signifie pas d'injection |
|
|
! alpha=0 signifie injection totale |
|
|
!----------------------------------------------------------------------- |
|
| 37 |
|
|
| 38 |
print*,'ONLINE=',online |
! variables dynamiques |
|
if(online.eq.-1) then |
|
|
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 ') |
|
| 39 |
|
|
| 40 |
!ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
REAL, intent(inout):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm) vent covariant |
| 41 |
! Cas ou on force exactement par les variables analysees |
REAL, intent(inout):: vcov(:, :, :) ! (iim + 1, jjm, llm) ! vent covariant |
|
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 |
|
| 42 |
|
|
| 43 |
! itau_test montre si l'importation a deja ete faite au rang itau |
REAL, intent(inout):: teta(iim + 1, jjm + 1, llm) ! température potentielle |
| 44 |
! lecture d'un fichier netcdf pour determiner le nombre de niveaux |
REAL, intent(inout):: q(iim + 1, jjm + 1, llm) |
| 45 |
if (guide_u) then |
REAL, intent(in):: ps(:, :) ! (iim + 1, jjm + 1) pression au sol |
|
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: |
|
|
! ---------------------------------- |
|
| 46 |
|
|
| 47 |
endif ! first |
! Local: |
|
! |
|
|
!----------------------------------------------------------------------- |
|
|
!----- IMPORTATION DES VENTS,PRESSION ET TEMPERATURE REELS: |
|
|
!----------------------------------------------------------------------- |
|
| 48 |
|
|
| 49 |
ditau=real(itau) |
! variables dynamiques pour les reanalyses. |
| 50 |
DDAY_step=real(day_step) |
|
| 51 |
write(*,*)'ditau,dday_step' |
REAL, save:: ucovrea1(iim + 1, jjm + 1, llm), vcovrea1(iim + 1, jjm, llm) |
| 52 |
write(*,*)ditau,dday_step |
! vents covariants reanalyses |
| 53 |
toto=4*ditau/dday_step |
|
| 54 |
reste=toto-aint(toto) |
REAL, save:: tetarea1(iim + 1, jjm + 1, llm) ! temp pot reales |
| 55 |
! write(*,*)'toto,reste',toto,reste |
REAL, save:: qrea1(iim + 1, jjm + 1, llm) ! temp pot reales |
| 56 |
|
|
| 57 |
if (reste.eq.0.) then |
REAL, save:: ucovrea2(iim + 1, jjm + 1, llm), vcovrea2(iim + 1, jjm, llm) |
| 58 |
if (itau_test.eq.itau) then |
! vents covariants reanalyses |
| 59 |
write(*,*)'deuxieme passage de advreel a itau=',itau |
|
| 60 |
stop |
REAL, save:: tetarea2(iim + 1, jjm + 1, llm) ! temp pot reales |
| 61 |
else |
REAL, save:: qrea2(iim + 1, jjm + 1, llm) ! temp pot reales |
| 62 |
vcovrea1(:,:)=vcovrea2(:,:) |
REAL, save:: masserea2(ip1jmp1, llm) ! masse |
| 63 |
ucovrea1(:,:)=ucovrea2(:,:) |
|
| 64 |
tetarea1(:,:)=tetarea2(:,:) |
! alpha determine la part des injections de donnees a chaque etape |
| 65 |
qrea1(:,:)=qrea2(:,:) |
! alpha=1 signifie pas d'injection |
| 66 |
|
! alpha=0 signifie injection totale |
| 67 |
print*,'LECTURE REANALYSES, pas ',step_rea & |
REAL, save:: alpha_q(iim + 1, jjm + 1) |
| 68 |
,'apres ',count_no_rea,' non lectures' |
REAL, save:: alpha_t(iim + 1, jjm + 1) |
| 69 |
step_rea=step_rea+1 |
REAL, save:: alpha_u(iim + 1, jjm + 1), alpha_v(iim + 1, jjm) |
| 70 |
itau_test=itau |
|
| 71 |
call read_reanalyse(step_rea,ps & |
INTEGER, save:: step_rea, count_no_rea |
| 72 |
,ucovrea2,vcovrea2,tetarea2,qrea2,masserea2,psrea2,1,nlev) |
|
| 73 |
qrea2(:,:)=max(qrea2(:,:),0.1) |
INTEGER ilon, ilat |
| 74 |
factt=dtvr*iperiod/daysec |
REAL factt ! pas de temps entre deux appels au guidage, en fraction de jour |
| 75 |
ztau(:)=factt/max(alpha_T(:),1.e-10) |
real ztau(iim + 1, jjm + 1) |
| 76 |
call wrgrads(igrads,1,aire ,'aire ','aire ' ) |
|
| 77 |
call wrgrads(igrads,1,dxdys ,'dxdy ','dxdy ' ) |
INTEGER ij, l |
| 78 |
call wrgrads(igrads,1,alpha_u,'au ','au ' ) |
INTEGER ncidpl, status |
| 79 |
call wrgrads(igrads,1,alpha_T,'at ','at ' ) |
INTEGER rcod, rid |
| 80 |
call wrgrads(igrads,1,ztau,'taut ','taut ' ) |
REAL tau |
| 81 |
call wrgrads(igrads,llm,ucov,'u ','u ' ) |
INTEGER, SAVE:: nlev |
| 82 |
call wrgrads(igrads,llm,ucovrea2,'ua ','ua ' ) |
|
| 83 |
call wrgrads(igrads,llm,teta,'T ','T ' ) |
! TEST SUR QSAT |
| 84 |
call wrgrads(igrads,llm,tetarea2,'Ta ','Ta ' ) |
REAL p(iim + 1, jjm + 1, llmp1) |
| 85 |
call wrgrads(igrads,llm,qrea2,'Qa ','Qa ' ) |
real pk(iim + 1, jjm + 1, llm), pks(iim + 1, jjm + 1) |
| 86 |
call wrgrads(igrads,llm,q,'Q ','Q ' ) |
|
| 87 |
|
REAL qsat(iim + 1, jjm + 1, llm) |
| 88 |
call wrgrads(igrads,llm,qsat,'QSAT ','QSAT ' ) |
|
| 89 |
|
INTEGER, parameter:: igrads = 2 |
| 90 |
endif |
REAL:: dtgrads = 100. |
|
else |
|
|
count_no_rea=count_no_rea+1 |
|
|
endif |
|
| 91 |
|
|
|
!----------------------------------------------------------------------- |
|
|
! Guidage |
|
|
! x_gcm = a * x_gcm + (1-a) * x_reanalyses |
|
| 92 |
!----------------------------------------------------------------------- |
!----------------------------------------------------------------------- |
| 93 |
|
|
| 94 |
if(ini_anal) print*,'ATTENTION !!! ON PART DU GUIDAGE' |
PRINT *, 'Call sequence information: guide' |
| 95 |
|
|
| 96 |
ditau=real(itau) |
first_call: IF (itau == 0) THEN |
| 97 |
dday_step=real(day_step) |
CALL conf_guide |
| 98 |
|
CALL inigrads(igrads, rlonv, 180. / pi, -180., 180., rlatu, -90., & |
| 99 |
|
90., 180. / pi, presnivs, 1., dtgrads, 'guide', 'dyn_zon ') |
| 100 |
|
|
| 101 |
|
IF (online) THEN |
| 102 |
|
! Constantes de temps de rappel en jour |
| 103 |
|
|
| 104 |
tau=4*ditau/dday_step |
! coordonnees du centre du zoom |
| 105 |
tau=tau-aint(tau) |
CALL coordij(clon, clat, ilon, ilat) |
| 106 |
|
! aire de la maille au centre du zoom |
| 107 |
|
aire_min = aire(ilon+(ilat - 1) * iip1) |
| 108 |
|
! aire maximale de la maille |
| 109 |
|
aire_max = 0. |
| 110 |
|
DO ij = 1, ip1jmp1 |
| 111 |
|
aire_max = max(aire_max, aire(ij)) |
| 112 |
|
END DO |
| 113 |
|
|
| 114 |
! ucov |
factt = dtvr * iperiod / daysec |
|
if (guide_u) then |
|
|
do l=1,llm |
|
|
do ij=1,ip1jmp1 |
|
|
a=(1.-tau)*ucovrea1(ij,l)+tau*ucovrea2(ij,l) |
|
|
ucov(ij,l)=(1.-alpha_u(ij))*ucov(ij,l)+alpha_u(ij)*a |
|
|
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 |
|
| 115 |
|
|
| 116 |
|
CALL tau2alpha(3, factt, tau_min_v, tau_max_v, alpha_v) |
| 117 |
|
CALL tau2alpha(2, factt, tau_min_u, tau_max_u, alpha_u) |
| 118 |
|
CALL tau2alpha(1, factt, tau_min_t, tau_max_t, alpha_t) |
| 119 |
|
CALL tau2alpha(1, factt, tau_min_q, tau_max_q, alpha_q) |
| 120 |
|
|
| 121 |
|
CALL dump2d(iip1, jjp1, aire, 'AIRE MAILLe ') |
| 122 |
|
CALL dump2d(iip1, jjp1, alpha_u, 'COEFF U ') |
| 123 |
|
CALL dump2d(iip1, jjp1, alpha_t, 'COEFF T ') |
| 124 |
|
ELSE |
| 125 |
|
! Cas ou on force exactement par les variables analysees |
| 126 |
|
alpha_t = 0. |
| 127 |
|
alpha_u = 0. |
| 128 |
|
alpha_v = 0. |
| 129 |
|
alpha_q = 0. |
| 130 |
|
END IF |
| 131 |
|
|
| 132 |
|
step_rea = 1 |
| 133 |
|
count_no_rea = 0 |
| 134 |
|
ncidpl = -99 |
| 135 |
|
|
| 136 |
|
! lecture d'un fichier netcdf pour determiner le nombre de niveaux |
| 137 |
|
if (guide_u) call nf95_open('u.nc',Nf90_NOWRITe,ncidpl) |
| 138 |
|
if (guide_v) call nf95_open('v.nc',nf90_nowrite,ncidpl) |
| 139 |
|
if (guide_T) call nf95_open('T.nc',nf90_nowrite,ncidpl) |
| 140 |
|
if (guide_Q) call nf95_open('hur.nc',nf90_nowrite, ncidpl) |
| 141 |
|
|
| 142 |
|
IF (ncep) THEN |
| 143 |
|
status = nf90_inq_dimid(ncidpl, 'LEVEL', rid) |
| 144 |
|
ELSE |
| 145 |
|
status = nf90_inq_dimid(ncidpl, 'PRESSURE', rid) |
| 146 |
|
END IF |
| 147 |
|
call nf95_inquire_dimension(ncidpl, rid, nclen=nlev) |
| 148 |
|
PRINT *, 'nlev', nlev |
| 149 |
|
rcod = nf90_close(ncidpl) |
| 150 |
|
! Lecture du premier etat des reanalyses. |
| 151 |
|
CALL read_reanalyse(1, ps, ucovrea2, vcovrea2, tetarea2, qrea2, & |
| 152 |
|
masserea2, nlev) |
| 153 |
|
qrea2 = max(qrea2, 0.1) |
| 154 |
|
END IF first_call |
| 155 |
|
|
| 156 |
|
! IMPORTATION DES VENTS, PRESSION ET TEMPERATURE REELS: |
| 157 |
|
|
| 158 |
|
! Nudging fields are given 4 times per day: |
| 159 |
|
IF (mod(itau, day_step / 4) == 0) THEN |
| 160 |
|
vcovrea1 = vcovrea2 |
| 161 |
|
ucovrea1 = ucovrea2 |
| 162 |
|
tetarea1 = tetarea2 |
| 163 |
|
qrea1 = qrea2 |
| 164 |
|
|
| 165 |
|
PRINT *, 'LECTURE REANALYSES, pas ', step_rea, 'apres ', & |
| 166 |
|
count_no_rea, ' non lectures' |
| 167 |
|
step_rea = step_rea + 1 |
| 168 |
|
CALL read_reanalyse(step_rea, ps, ucovrea2, vcovrea2, tetarea2, qrea2, & |
| 169 |
|
masserea2, nlev) |
| 170 |
|
qrea2 = max(qrea2, 0.1) |
| 171 |
|
factt = dtvr * iperiod / daysec |
| 172 |
|
ztau = factt / max(alpha_t, 1E-10) |
| 173 |
|
CALL wrgrads(igrads, 1, aire, 'aire ', 'aire ') |
| 174 |
|
CALL wrgrads(igrads, 1, dxdys, 'dxdy ', 'dxdy ') |
| 175 |
|
CALL wrgrads(igrads, 1, alpha_u, 'au ', 'au ') |
| 176 |
|
CALL wrgrads(igrads, 1, alpha_t, 'at ', 'at ') |
| 177 |
|
CALL wrgrads(igrads, 1, ztau, 'taut ', 'taut ') |
| 178 |
|
CALL wrgrads(igrads, llm, ucov, 'u ', 'u ') |
| 179 |
|
CALL wrgrads(igrads, llm, ucovrea2, 'ua ', 'ua ') |
| 180 |
|
CALL wrgrads(igrads, llm, teta, 'T ', 'T ') |
| 181 |
|
CALL wrgrads(igrads, llm, tetarea2, 'Ta ', 'Ta ') |
| 182 |
|
CALL wrgrads(igrads, llm, qrea2, 'Qa ', 'Qa ') |
| 183 |
|
CALL wrgrads(igrads, llm, q, 'Q ', 'Q ') |
| 184 |
|
ELSE |
| 185 |
|
count_no_rea = count_no_rea + 1 |
| 186 |
|
END IF |
| 187 |
|
|
| 188 |
|
! Guidage |
| 189 |
|
|
| 190 |
|
tau = mod(real(itau) / real(day_step / 4), 1.) |
| 191 |
|
|
| 192 |
|
! x_gcm = a * x_gcm + (1 - a) * x_reanalyses |
| 193 |
|
|
| 194 |
|
IF (guide_u) THEN |
| 195 |
|
IF (itau == 0 .AND. ini_anal) then |
| 196 |
|
ucov = ucovrea1 |
| 197 |
|
else |
| 198 |
|
forall (l = 1: llm) ucov(:, :, l) = (1. - alpha_u) * ucov(:, :, l) & |
| 199 |
|
+ alpha_u * ((1. - tau) * ucovrea1(:, :, l) & |
| 200 |
|
+ tau * ucovrea2(:, :, l)) |
| 201 |
|
end IF |
| 202 |
|
END IF |
| 203 |
|
|
| 204 |
|
IF (guide_t) THEN |
| 205 |
|
IF (itau == 0 .AND. ini_anal) then |
| 206 |
|
teta = tetarea1 |
| 207 |
|
else |
| 208 |
|
forall (l = 1: llm) teta(:, :, l) = (1. - alpha_t) * teta(:, :, l) & |
| 209 |
|
+ alpha_t * ((1. - tau) * tetarea1(:, :, l) & |
| 210 |
|
+ tau * tetarea2(:, :, l)) |
| 211 |
|
end IF |
| 212 |
|
END IF |
| 213 |
|
|
| 214 |
|
IF (guide_q) THEN |
| 215 |
|
! Calcul de l'humidité saturante : |
| 216 |
|
forall (l = 1: llm + 1) p(:, :, l) = ap(l) + bp(l) * ps |
| 217 |
|
CALL exner_hyb(ps, p, pks, pk) |
| 218 |
|
qsat = q_sat(pk * teta / cpp, preff * (pk / cpp)**(1. / kappa)) |
| 219 |
|
|
| 220 |
|
! humidité relative en % -> humidité spécifique |
| 221 |
|
IF (itau == 0 .AND. ini_anal) then |
| 222 |
|
q = qsat * qrea1 * 0.01 |
| 223 |
|
else |
| 224 |
|
forall (l = 1: llm) q(:, :, l) = (1. - alpha_q) * q(:, :, l) & |
| 225 |
|
+ alpha_q * (qsat(:, :, l) * ((1. - tau) * qrea1(:, :, l) & |
| 226 |
|
+ tau * qrea2(:, :, l)) * 0.01) |
| 227 |
|
end IF |
| 228 |
|
END IF |
| 229 |
|
|
| 230 |
|
IF (guide_v) THEN |
| 231 |
|
IF (itau == 0 .AND. ini_anal) then |
| 232 |
|
vcov = vcovrea1 |
| 233 |
|
else |
| 234 |
|
forall (l = 1: llm) vcov(:, :, l) = (1. - alpha_v) * vcov(:, :, l) & |
| 235 |
|
+ alpha_v * ((1. - tau) * vcovrea1(:, :, l) & |
| 236 |
|
+ tau * vcovrea2(:, :, l)) |
| 237 |
|
end IF |
| 238 |
|
END IF |
| 239 |
|
|
| 240 |
return |
END SUBROUTINE guide |
|
end subroutine tau2alpha |
|
| 241 |
|
|
| 242 |
end module guide_m |
END MODULE guide_m |
Parent Directory
| 
Revision Log
| 
Patch