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guez |
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module guide_m |
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! From dyn3d/guide.F,v 1.3 2005/05/25 13:10:09 |
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! and dyn3d/guide.h,v 1.1.1.1 2004/05/19 12:53:06 |
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real tau_min_u,tau_max_u |
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real tau_min_v,tau_max_v |
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real tau_min_T,tau_max_T |
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real tau_min_q,tau_max_q |
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real tau_min_P,tau_max_P |
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real aire_min,aire_max |
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logical guide_u,guide_v,guide_T,guide_Q,guide_P |
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real lat_min_guide,lat_max_guide |
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LOGICAL ncep,ini_anal |
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integer online |
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contains |
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subroutine guide(itau,ucov,vcov,teta,q,masse,ps) |
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use dimens_m |
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use paramet_m |
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use comconst |
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use comdissnew |
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use comvert |
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use conf_gcm_m |
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use logic |
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use comgeom |
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use serre |
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use temps |
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use tracstoke |
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use ener |
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use q_sat_m, only: q_sat |
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use exner_hyb_m, only: exner_hyb |
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use pression_m, only: pression |
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use inigrads_m, only: inigrads |
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IMPLICIT NONE |
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! ...... Version du 10/01/98 .......... |
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! avec coordonnees verticales hybrides |
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! avec nouveaux operat. dissipation * ( gradiv2,divgrad2,nxgraro2 ) |
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!======================================================================= |
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! |
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! Auteur: F.Hourdin |
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! ------- |
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! |
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! Objet: |
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! ------ |
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! |
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! GCM LMD nouvelle grille |
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! |
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!======================================================================= |
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! ... Dans inigeom , nouveaux calculs pour les elongations cu , cv |
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! et possibilite d'appeler une fonction f(y) a derivee tangente |
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! hyperbolique a la place de la fonction a derivee sinusoidale. |
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! ... Possibilite de choisir le shema de Van-leer pour l'advection de |
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! q , en faisant iadv = 10 dans traceur (29/04/97) . |
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! |
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!----------------------------------------------------------------------- |
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! Declarations: |
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! ------------- |
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include "netcdf.inc" |
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! variables dynamiques |
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REAL vcov(ip1jm,llm),ucov(ip1jmp1,llm) ! vents covariants |
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REAL teta(ip1jmp1,llm) ! temperature potentielle |
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REAL q(ip1jmp1,llm) ! temperature potentielle |
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REAL ps(ip1jmp1) ! pression au sol |
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REAL masse(ip1jmp1,llm) ! masse d'air |
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! common passe pour des sorties |
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real dxdys(iip1,jjp1),dxdyu(iip1,jjp1),dxdyv(iip1,jjm) |
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common/comdxdy/dxdys,dxdyu,dxdyv |
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! variables dynamiques pour les reanalyses. |
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REAL ucovrea1(ip1jmp1,llm),vcovrea1(ip1jm,llm) !vts cov reas |
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REAL tetarea1(ip1jmp1,llm) ! temp pot reales |
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REAL qrea1(ip1jmp1,llm) ! temp pot reales |
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REAL psrea1(ip1jmp1) ! ps |
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REAL ucovrea2(ip1jmp1,llm),vcovrea2(ip1jm,llm) !vts cov reas |
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REAL tetarea2(ip1jmp1,llm) ! temp pot reales |
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REAL qrea2(ip1jmp1,llm) ! temp pot reales |
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REAL masserea2(ip1jmp1,llm) ! masse |
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REAL psrea2(ip1jmp1) ! ps |
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real alpha_q(ip1jmp1) |
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real alpha_T(ip1jmp1),alpha_P(ip1jmp1) |
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real alpha_u(ip1jmp1),alpha_v(ip1jm) |
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real dday_step,toto,reste,itau_test |
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INTEGER step_rea,count_no_rea |
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!IM 180305 real aire_min,aire_max |
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integer ilon,ilat |
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real factt,ztau(ip1jmp1) |
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INTEGER, intent(in):: itau |
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integer ij, l |
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integer ncidpl,varidpl,nlev,status |
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integer rcod,rid |
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real ditau,tau,a |
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save nlev |
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! TEST SUR QSAT |
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real p(ip1jmp1,llmp1),pk(ip1jmp1,llm),pks(ip1jmp1) |
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real pkf(ip1jmp1,llm) |
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real pres(ip1jmp1,llm) |
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real qsat(ip1jmp1,llm) |
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real unskap |
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real tnat(ip1jmp1,llm) |
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!cccccccccccccccc |
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LOGICAL first |
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save first |
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data first/.true./ |
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save ucovrea1,vcovrea1,tetarea1,psrea1,qrea1 |
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save ucovrea2,vcovrea2,tetarea2,masserea2,psrea2,qrea2 |
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save alpha_T,alpha_q,alpha_u,alpha_v,alpha_P,itau_test |
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save step_rea,count_no_rea |
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character*10 file |
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integer igrads |
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real dtgrads |
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save igrads,dtgrads |
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data igrads,dtgrads/2,100./ |
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print *,'Call sequence information: guide' |
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!----------------------------------------------------------------------- |
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! calcul de l'humidite saturante |
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!----------------------------------------------------------------------- |
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CALL pression( ip1jmp1, ap, bp, ps, p ) |
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call massdair(p,masse) |
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print*,'OK1' |
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CALL exner_hyb(ps,p,pks,pk,pkf) |
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print*,'OK2' |
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tnat(:,:)=pk(:,:)*teta(:,:)/cpp |
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print*,'OK3' |
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unskap = 1./ kappa |
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pres(:,:)=preff*(pk(:,:)/cpp)**unskap |
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print*,'OK4' |
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qsat = q_sat(tnat, pres) |
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!----------------------------------------------------------------------- |
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!----------------------------------------------------------------------- |
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! initialisations pour la lecture des reanalyses. |
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! alpha determine la part des injections de donnees a chaque etape |
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! alpha=1 signifie pas d'injection |
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! alpha=0 signifie injection totale |
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!----------------------------------------------------------------------- |
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print*,'ONLINE=',online |
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if(online.eq.-1) then |
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return |
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endif |
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if (first) then |
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print*,'initialisation du guide ' |
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call conf_guide |
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print*,'apres conf_guide' |
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file='guide' |
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call inigrads(igrads & |
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,rlonv,180./pi,-180.,180.,rlatu,-90.,90.,180./pi & |
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,presnivs,1. & |
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,dtgrads,file,'dyn_zon ') |
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print* & |
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,'1: en-ligne, 0: hors-ligne (x=x_rea), -1: climat (x=x_gcm)' |
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if(online.eq.-1) return |
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if (online.eq.1) then |
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!ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
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! Constantes de temps de rappel en jour |
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! 0.1 c'est en gros 2h30. |
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! 1e10 est une constante infinie donc en gros pas de guidage |
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!ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
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! coordonnees du centre du zoom |
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call coordij(clon,clat,ilon,ilat) |
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! aire de la maille au centre du zoom |
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aire_min=aire(ilon+(ilat-1)*iip1) |
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! aire maximale de la maille |
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aire_max=0. |
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do ij=1,ip1jmp1 |
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aire_max=max(aire_max,aire(ij)) |
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enddo |
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! factt = pas de temps en fraction de jour |
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factt=dtvr*iperiod/daysec |
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! subroutine tau2alpha(type,im,jm,factt,taumin,taumax,alpha) |
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call tau2alpha(3,iip1,jjm ,factt,tau_min_v,tau_max_v,alpha_v) |
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call tau2alpha(2,iip1,jjp1,factt,tau_min_u,tau_max_u,alpha_u) |
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call tau2alpha(1,iip1,jjp1,factt,tau_min_T,tau_max_T,alpha_T) |
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call tau2alpha(1,iip1,jjp1,factt,tau_min_P,tau_max_P,alpha_P) |
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call tau2alpha(1,iip1,jjp1,factt,tau_min_q,tau_max_q,alpha_q) |
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call dump2d(iip1,jjp1,aire,'AIRE MAILLe ') |
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call dump2d(iip1,jjp1,alpha_u,'COEFF U ') |
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call dump2d(iip1,jjp1,alpha_T,'COEFF T ') |
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!ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
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! Cas ou on force exactement par les variables analysees |
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else |
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alpha_T=0. |
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alpha_u=0. |
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alpha_v=0. |
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alpha_P=0. |
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! physic=.false. |
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endif |
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itau_test=1001 |
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step_rea=1 |
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count_no_rea=0 |
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ncidpl=-99 |
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! itau_test montre si l'importation a deja ete faite au rang itau |
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! lecture d'un fichier netcdf pour determiner le nombre de niveaux |
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if (guide_u) then |
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if (ncidpl.eq.-99) ncidpl=NCOPN('u.nc',NCNOWRIT,rcod) |
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endif |
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! |
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if (guide_v) then |
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if (ncidpl.eq.-99) ncidpl=NCOPN('v.nc',NCNOWRIT,rcod) |
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endif |
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! |
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if (guide_T) then |
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if (ncidpl.eq.-99) ncidpl=NCOPN('T.nc',NCNOWRIT,rcod) |
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endif |
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! |
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if (guide_Q) then |
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if (ncidpl.eq.-99) ncidpl=NCOPN('hur.nc',NCNOWRIT,rcod) |
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endif |
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! |
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if (ncep) then |
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status=NF_INQ_DIMID(ncidpl,'LEVEL',rid) |
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else |
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status=NF_INQ_DIMID(ncidpl,'PRESSURE',rid) |
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endif |
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status=NF_INQ_DIMLEN(ncidpl,rid,nlev) |
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print *,'nlev', nlev |
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call ncclos(ncidpl,rcod) |
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! Lecture du premier etat des reanalyses. |
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call read_reanalyse(1,ps & |
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,ucovrea2,vcovrea2,tetarea2,qrea2,masserea2,psrea2,1,nlev) |
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qrea2(:,:)=max(qrea2(:,:),0.1) |
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!----------------------------------------------------------------------- |
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! Debut de l'integration temporelle: |
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! ---------------------------------- |
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endif ! first |
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! |
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!----------------------------------------------------------------------- |
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!----- IMPORTATION DES VENTS,PRESSION ET TEMPERATURE REELS: |
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!----------------------------------------------------------------------- |
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ditau=real(itau) |
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DDAY_step=real(day_step) |
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write(*,*)'ditau,dday_step' |
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write(*,*)ditau,dday_step |
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toto=4*ditau/dday_step |
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reste=toto-aint(toto) |
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! write(*,*)'toto,reste',toto,reste |
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if (reste.eq.0.) then |
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if (itau_test.eq.itau) then |
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write(*,*)'deuxieme passage de advreel a itau=',itau |
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stop |
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else |
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vcovrea1(:,:)=vcovrea2(:,:) |
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ucovrea1(:,:)=ucovrea2(:,:) |
| 288 |
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tetarea1(:,:)=tetarea2(:,:) |
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qrea1(:,:)=qrea2(:,:) |
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print*,'LECTURE REANALYSES, pas ',step_rea & |
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,'apres ',count_no_rea,' non lectures' |
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step_rea=step_rea+1 |
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itau_test=itau |
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call read_reanalyse(step_rea,ps & |
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,ucovrea2,vcovrea2,tetarea2,qrea2,masserea2,psrea2,1,nlev) |
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qrea2(:,:)=max(qrea2(:,:),0.1) |
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factt=dtvr*iperiod/daysec |
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ztau(:)=factt/max(alpha_T(:),1.e-10) |
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call wrgrads(igrads,1,aire ,'aire ','aire ' ) |
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call wrgrads(igrads,1,dxdys ,'dxdy ','dxdy ' ) |
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call wrgrads(igrads,1,alpha_u,'au ','au ' ) |
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call wrgrads(igrads,1,alpha_T,'at ','at ' ) |
| 304 |
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call wrgrads(igrads,1,ztau,'taut ','taut ' ) |
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call wrgrads(igrads,llm,ucov,'u ','u ' ) |
| 306 |
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call wrgrads(igrads,llm,ucovrea2,'ua ','ua ' ) |
| 307 |
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call wrgrads(igrads,llm,teta,'T ','T ' ) |
| 308 |
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call wrgrads(igrads,llm,tetarea2,'Ta ','Ta ' ) |
| 309 |
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call wrgrads(igrads,llm,qrea2,'Qa ','Qa ' ) |
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call wrgrads(igrads,llm,q,'Q ','Q ' ) |
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| 312 |
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call wrgrads(igrads,llm,qsat,'QSAT ','QSAT ' ) |
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| 314 |
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endif |
| 315 |
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else |
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count_no_rea=count_no_rea+1 |
| 317 |
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endif |
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!----------------------------------------------------------------------- |
| 320 |
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! Guidage |
| 321 |
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! x_gcm = a * x_gcm + (1-a) * x_reanalyses |
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!----------------------------------------------------------------------- |
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| 324 |
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if(ini_anal) print*,'ATTENTION !!! ON PART DU GUIDAGE' |
| 325 |
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| 326 |
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ditau=real(itau) |
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dday_step=real(day_step) |
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| 329 |
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| 330 |
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tau=4*ditau/dday_step |
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tau=tau-aint(tau) |
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| 333 |
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! ucov |
| 334 |
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if (guide_u) then |
| 335 |
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do l=1,llm |
| 336 |
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do ij=1,ip1jmp1 |
| 337 |
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a=(1.-tau)*ucovrea1(ij,l)+tau*ucovrea2(ij,l) |
| 338 |
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ucov(ij,l)=(1.-alpha_u(ij))*ucov(ij,l)+alpha_u(ij)*a |
| 339 |
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if (first.and.ini_anal) ucov(ij,l)=a |
| 340 |
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enddo |
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enddo |
| 342 |
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endif |
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! 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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