! ! $Header: /home/cvsroot/LMDZ4/libf/phylmd/ocean_slab_mod.F90,v 1.3 2008-02-04 16:24:28 fairhead Exp $ ! MODULE ocean_slab_mod ! ! This module is used for both surface ocean and sea-ice when using the slab ocean, ! "ocean=slab". ! use slab_ice_h use watercommon_h, only: T_h2O_ice_liq use surf_heat_transp_mod implicit none !#include "dimensions.h" !#include "dimphys.h" #include "comcstfi.h" #include "callkeys.h" !LOGICAL, PRIVATE, SAVE :: ok_slab_sic,ok_slab_heaT_h2O_ice_liqBS !$OMP THREADPRIVATE(ok_slab_sic,ok_slab_heaT_h2O_ice_liqBS) !INTEGER, PRIVATE, SAVE :: slab_ekman, slab_cadj !$OMP THREADPRIVATE(slab_ekman,slab_cadj) INTEGER, PRIVATE, SAVE :: lmt_pas, julien, idayvrai !$OMP THREADPRIVATE(lmt_pas,julien,idayvrai) INTEGER, PRIVATE, SAVE :: cpl_pas !$OMP THREADPRIVATE(cpl_pas) REAL, ALLOCATABLE, DIMENSION(:), PRIVATE, SAVE :: tmp_seaice !$OMP THREADPRIVATE(tmp_seaice) REAL, ALLOCATABLE, DIMENSION(:,:), PRIVATE, SAVE :: tmp_tslab_loc !$OMP THREADPRIVATE(tmp_tslab_loc) REAL, ALLOCATABLE, DIMENSION(:), PRIVATE, SAVE :: slab_bils !$OMP THREADPRIVATE(slab_bils) REAL, ALLOCATABLE, DIMENSION(:), PRIVATE , SAVE :: lmt_bils !$OMP THREADPRIVATE(lmt_bils) REAL, ALLOCATABLE, DIMENSION(:), PRIVATE, SAVE :: tmp_pctsrf_slab !$OMP THREADPRIVATE(tmp_pctsrf_slab) REAL, ALLOCATABLE, DIMENSION(:,:), PRIVATE, SAVE :: tmp_tslab !$OMP THREADPRIVATE(tmp_tslab) REAL, ALLOCATABLE, DIMENSION(:), PRIVATE, SAVE :: tmp_radsol !$OMP THREADPRIVATE(tmp_radsol) REAL, ALLOCATABLE, DIMENSION(:,:), PRIVATE, SAVE :: dt_hdiff !$OMP THREADPRIVATE(dt_hdiff) REAL, ALLOCATABLE, DIMENSION(:,:), PRIVATE, SAVE :: dt_ekman !$OMP THREADPRIVATE(dt_ekman) REAL, ALLOCATABLE, DIMENSION(:), PRIVATE, SAVE :: tmp_flux_o, tmp_flux_g !$OMP THREADPRIVATE(tmp_flux_o,tmp_flux_g) REAL, ALLOCATABLE, DIMENSION(:), PRIVATE, SAVE :: slabh !$OMP THREADPRIVATE(slabh) LOGICAL, PRIVATE, SAVE :: check = .FALSE. !$OMP THREADPRIVATE(check) CONTAINS ! !**************************************************************************************** ! SUBROUTINE ocean_slab_init(ngrid,dtime, tslab_rst, seaice_rst, pctsrf_rst) use slab_ice_h !#include "dimensions.h" !#include "dimphys.h" #include "comcstfi.h" #include "callkeys.h" ! Input variables !**************************************************************************************** integer,intent(in) :: ngrid ! number of atmospherci columns REAL, INTENT(IN) :: dtime ! Variables read from restart file REAL, DIMENSION(ngrid,noceanmx), INTENT(IN) :: tslab_rst REAL, DIMENSION(ngrid), INTENT(IN) :: seaice_rst REAL, DIMENSION(ngrid), INTENT(IN) :: pctsrf_rst ! Local variables !**************************************************************************************** INTEGER :: error CHARACTER (len = 80) :: abort_message CHARACTER (len = 20) :: modname = 'ocean_slab_intit' print*,'************************' print*,'SLAB OCEAN est actif, prenez precautions !' print*,'************************' ! Lecture des parametres: ! CALL getpar('ok_slab_sic',.true.,ok_slab_sic,'glace de mer dans slab') ! CALL getpar('slab_ekman',0,slab_ekman,'type transport Ekman pour slab (0=rien)') ! CALL getpar('slab_cadj',1,slab_cadj,'type ajustement conv slab 2 couches') ! Allocate variables initialize from restart fields ALLOCATE(tmp_tslab(ngrid,noceanmx), stat = error) IF (error /= 0) THEN abort_message='Pb allocation tmp_tslab' CALL abort_gcm(modname,abort_message,1) ENDIF tmp_tslab(:,:) = tslab_rst(:,:) ALLOCATE(tmp_tslab_loc(ngrid,noceanmx), stat = error) IF (error /= 0) THEN abort_message='Pb allocation tmp_tslab_loc' CALL abort_gcm(modname,abort_message,1) ENDIF tmp_tslab_loc(:,:) = tslab_rst(:,:) ALLOCATE(tmp_seaice(ngrid), stat = error) IF (error /= 0) THEN abort_message='Pb allocation tmp_seaice' CALL abort_gcm(modname,abort_message,1) ENDIF tmp_seaice(:) = seaice_rst(:) ALLOCATE(tmp_pctsrf_slab(ngrid), stat = error) IF (error /= 0) THEN abort_message='Pb allocation tmp_pctsrf_slab' CALL abort_gcm(modname,abort_message,1) ENDIF tmp_pctsrf_slab(:) = pctsrf_rst(:) ! Allocate some other variables internal in module mod_oceanslab ALLOCATE(tmp_radsol(ngrid), stat = error) IF (error /= 0) THEN abort_message='Pb allocation tmp_radsol' CALL abort_gcm(modname,abort_message,1) ENDIF ALLOCATE(tmp_flux_o(ngrid), stat = error) IF (error /= 0) THEN abort_message='Pb allocation tmp_flux_o' CALL abort_gcm(modname,abort_message,1) ENDIF ALLOCATE(tmp_flux_g(ngrid), stat = error) IF (error /= 0) THEN abort_message='Pb allocation tmp_flux_g' CALL abort_gcm(modname,abort_message,1) ENDIF ! a mettre un slab_bils aussi en force !!! ALLOCATE(slab_bils(ngrid), stat = error) IF (error /= 0) THEN abort_message='Pb allocation slab_bils' CALL abort_gcm(modname,abort_message,1) ENDIF slab_bils(:) = 0.0 ALLOCATE(dt_hdiff(ngrid,noceanmx), stat = error) IF (error /= 0) THEN abort_message='Pb allocation dt_hdiff' CALL abort_gcm(modname,abort_message,1) ENDIF dt_hdiff = 0.0 ALLOCATE(dt_ekman(ngrid,noceanmx), stat = error) IF (error /= 0) THEN abort_message='Pb allocation dt_hdiff' CALL abort_gcm(modname,abort_message,1) ENDIF dt_ekman = 0.0 ALLOCATE(lmt_bils(ngrid), stat = error) IF (error /= 0) THEN abort_message='Pb allocation lmt_bils' CALL abort_gcm(modname,abort_message,1) ENDIF lmt_bils(:) = 0.0 ALLOCATE(slabh(noceanmx), stat = error) IF (error /= 0) THEN abort_message='Pb allocation slabh' CALL abort_gcm(modname,abort_message,1) ENDIF slabh(1)=50. IF (noceanmx.GE.2) slabh(2)=150. IF (noceanmx.GE.3) slabh(3)=2800. ! CALL init_masquv END SUBROUTINE ocean_slab_init ! !**************************************************************************************** ! ! !**************************************************************************************** ! SUBROUTINE ocean_slab_ice(dtime, & ngrid, knindex, tsurf, radsol, & precip_snow, snow, evap, & fluxsens,tsurf_new, pctsrf_sic, & taux_slab,tauy_slab,icount) use slab_ice_h !#include "dimensions.h" !#include "dimphys.h" #include "comcstfi.h" #include "callkeys.h" ! Input arguments !**************************************************************************************** INTEGER, INTENT(IN) :: ngrid INTEGER, DIMENSION(ngrid), INTENT(IN) :: knindex REAL, INTENT(IN) :: dtime REAL, DIMENSION(ngrid), INTENT(IN) :: tsurf REAL, DIMENSION(ngrid), INTENT(IN) :: taux_slab REAL, DIMENSION(ngrid), INTENT(IN) :: tauy_slab REAL, DIMENSION(ngrid), INTENT(IN) :: evap, fluxsens REAL, DIMENSION(ngrid), INTENT(IN) :: precip_snow REAL, DIMENSION(ngrid), INTENT(IN) :: radsol INTEGER, INTENT(IN) :: icount !In/Output arguments !****************************************************************************************l REAL, DIMENSION(ngrid), INTENT(INOUT) :: snow ! REAL, DIMENSION(ngridmx), INTENT(INOUT) :: agesno ! Output arguments !**************************************************************************************** ! REAL, DIMENSION(ngridmx), INTENT(OUT) :: alb1_new ! new albedo in visible SW interval ! REAL, DIMENSION(ngridmx), INTENT(OUT) :: alb2_new ! new albedo in near IR interval REAL, DIMENSION(ngrid), INTENT(OUT) :: tsurf_new REAL, DIMENSION(ngrid), INTENT(OUT) :: pctsrf_sic ! Local variables !**************************************************************************************** INTEGER :: i REAL, DIMENSION(ngrid) :: cal, beta, dif_grnd, capsol REAL, DIMENSION(ngrid) :: alb_neig, alb_ice!, tsurf_temp REAL, DIMENSION(ngrid) :: soilcap, soilflux REAL, DIMENSION(ngrid) :: zfra REAL :: snow_evap, fonte REAL, DIMENSION(ngrid,noceanmx) :: tslab REAL, DIMENSION(ngrid) :: seaice,tsea_ice ! glace de mer (kg/m2) REAL, DIMENSION(ngrid) :: pctsrf_new !***************************************************************************** ! Initialization of output variables ! alb1_new(:) = 0.0 !****************************************************************************** ! F. Codron: 3 cas ! -Glace interactive, quantité seaice : T glace suit modèle simple ! -Pas de glace: T oce peut descendre en dessous de 0°C sans geler !***************************************************************************** pctsrf_new(:)=tmp_pctsrf_slab(:) tmp_radsol(:)=radsol(:) tmp_flux_o(:)=fluxsens(:) DO i = 1, ngrid tsurf_new(i) = tsurf(knindex(i)) seaice(i)=tmp_seaice(knindex(i)) IF (pctsrf_new(knindex(i)) < EPSFRA) THEN snow(i) = 0.0 tsurf_new(i) = T_h2O_ice_liq - 1.8 !IF (soil_model) tsoil(i,:) = T_h2O_ice_liq -1.8 ENDIF ENDDO tmp_flux_g(:) = 0.0 tsea_ice(:)=T_h2O_ice_liq-1.8 ! Calculs flux glace/mer et glace/air IF (ok_slab_sic) THEN !********************************* ! Calcul de beta, heat capacity !********************************* ! CALL calbeta(dtime, is_sic, knon, snow, qsol, beta, capsol, dif_grnd) ! IF ((soil_model)) THEN ! ELSE ! dif_grnd = 1.0 / tau_gl ! cal = RCPD * calice ! WHERE (snow > 0.0) cal = RCPD * calsno ! ENDIF ! tsurf_temp = tsurf_new ! beta = 1.0 ! ********************************************** ! Evolution avec glace interactive: ! ************************************* ! tsurf_new=tsurf_temp DO i = 1, ngrid IF (pctsrf_new(knindex(i)) .GT. epsfra) THEN ! ************************************* ! + Calcul Flux entre glace et océan ! ************************************* tmp_flux_g(knindex(i))=(tsurf_new(i)-(T_h2O_ice_liq-1.8)) & * ice_cond*ice_den/seaice(i) ! **************************************** ! + Calcul nouvelle température de la glace ! **************************************** tsurf_new(i)=tsurf_new(i)+2*(radsol(i)+fluxsens(i) & -tmp_flux_g(knindex(i))) & /(ice_cap*seaice(i))*dtime ! *************************************** ! + Precip and evaporation of snow and ice ! *************************************** ! Add precip IF (precip_snow(i).GT.0.) THEN snow(i)=snow(i)+precip_snow(i)*dtime ENDIF ! Evaporation snow_evap=0. IF (evap(i).GT.0.) THEN snow_evap = MIN (snow(i) / dtime, evap(i)) snow(i) = snow(i) - snow_evap*dtime snow(i) = MAX(0.0, snow(i)) seaice(i)=MAX(0.0,seaice(i)-(evap(i)-snow_evap)*dtime) ENDIF ! ***************************************** ! + Fonte neige & glace par le haut ! ***************************************** ! Snow melt IF ((snow(i) > epsfra) .AND. (tsurf_new(i) >= T_h2O_ice_liq)) THEN fonte=MIN(MAX((tsurf_new(i)-T_h2O_ice_liq)*seaice(i) & /2.*ice_cap/ice_lat,0.0),snow(i)) snow(i) = MAX(0.,(snow(i)-fonte)) tsurf_new(i)=tsurf_new(i)-fonte*2*ice_lat/(seaice(i)*ice_cap) ENDIF snow(i)=MIN(snow(i),3000.) ! Ice melt IF ((seaice(i) > epsfra) .AND. (tsurf_new(i) >= T_h2O_ice_liq)) THEN fonte=seaice(i)*ice_cap*(tsurf_new(i)-T_h2O_ice_liq) & /(2*ice_lat+ice_cap*1.8) CALL icemelt(fonte,pctsrf_new(knindex(i)),seaice(i)) tmp_flux_g(knindex(i))=tmp_flux_g(knindex(i)) & +fonte*ice_lat/dtime tsurf_new(i)=T_h2O_ice_liq ENDIF tmp_seaice(knindex(i))=seaice(i) ENDIF!(pctsrf_new(knindex(i)) .GT. epsfra) tsea_ice(knindex(i))=tsurf_new(i) ENDDO ENDIF ! ****************************************** ! CALL interfoce: ! cumul/calcul nouvelle T_h2O_ice_liqce ! fonte/formation de glace en dessous ! ****************************************** tslab = tmp_tslab CALL interfoce_slab(ngrid, dtime, & tmp_radsol, tmp_flux_o, tmp_flux_g, tmp_pctsrf_slab, & tslab, tsea_ice, pctsrf_new,taux_slab,tauy_slab,icount) tmp_pctsrf_slab(:)=pctsrf_new(:) ! tmp_pctsrf_slab(:,is_oce)=1.0-tmp_pctsrf_slab(:) & ! -tmp_pctsrf_slab(:,is_lic)-tmp_pctsrf_slab(:,is_ter) DO i=1, ngrid tmp_tslab(knindex(i),:)=tslab(knindex(i),:) seaice(i)=tmp_seaice(knindex(i)) tsurf_new(i)=tsea_ice(knindex(i)) ENDDO ! **************************** ! calcul new albedo ! **************************** ! Albedo neige ! CALL albsno(klon,knon,dtime,agesno(:),alb_neig(:), precip_snow(:)) ! WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0. ! Fraction neige (hauteur critique 45kg/m2~15cm) ! zfra(1:knon) = MAX(0.0,MIN(1.0,snow(1:knon)/45.0)) ! Albedo glace ! IF (ok_slab_sicOBS) THEN ! alb_ice=0.6 ! ELSE ! alb_ice(1:knon)=alb_ice_max-(alb_ice_max-alb_ice_min) & ! *exp(-seaice(1:knon)/h_alb_ice) ! ENDIF !Albedo final ! alb1_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + & ! alb_ice * (1.0-zfra(1:knon)) ! alb2_new(:) = alb1_new(:) ! ******************************** ! Return the fraction of sea-ice ! ******************************** pctsrf_sic(:) = tmp_pctsrf_slab(:) END SUBROUTINE ocean_slab_ice ! !*************************************************************************** ! SUBROUTINE interfoce_slab(ngrid, dtime, & radsol, fluxo, fluxg, pctsrf, & tslab, tsea_ice, pctsrf_slab, & taux_slab, tauy_slab,icount) ! ! Cette routine calcule la temperature d'un slab ocean, la glace de mer ! et les pourcentages de la maille couverte par l'ocean libre et/ou ! la glace de mer pour un "slab" ocean de 50m ! ! Conception: Laurent Li ! Re-ecriture + adaptation LMDZ4: I. Musat ! Transport, nouveau modèle glace, 2 couches: F.Codron ! ! input: ! klon nombre T_h2O_ice_liqtal de points de grille ! itap numero du pas de temps ! dtime pas de temps de la physique (en s) ! ijour jour dans l'annee en cours ! radsol rayonnement net au sol (LW + SW) ! fluxo flux turbulent (sensible + latent) sur les mailles oceaniques ! fluxg flux de conduction entre la surface de la glace de mer et l'ocean ! pctsrf tableau des pourcentages de surface de chaque maille ! output: ! tslab temperature de l'ocean libre ! tsea_ice temperature de la glace (surface) ! pctsrf_slab "pourcentages" (valeurs entre 0. et 1.) surfaces issus du slab use slab_ice_h !#include "dimensions.h" !#include "comcstfi.h" ! INCLUDE "iniprint.h" #include "callkeys.h" ! Input arguments !**************************************************************************************** INTEGER, INTENT(IN) :: ngrid,icount ! INTEGER, INTENT(IN) :: itap REAL, INTENT(IN) :: dtime ! not used ! INTEGER, INTENT(IN) :: ijour REAL, DIMENSION(ngrid), INTENT(IN) :: radsol REAL, DIMENSION(ngrid), INTENT(IN) :: fluxo REAL, DIMENSION(ngrid), INTENT(IN) :: fluxg REAL, DIMENSION(ngrid), INTENT(IN) :: pctsrf REAL, DIMENSION(ngrid), INTENT(IN) :: taux_slab REAL, DIMENSION(ngrid), INTENT(IN) :: tauy_slab ! Output arguments !**************************************************************************************** REAL, DIMENSION(ngrid,noceanmx), INTENT(OUT) :: tslab REAL, DIMENSION(ngrid), INTENT(INOUT) :: pctsrf_slab REAL, DIMENSION(ngrid), INTENT(INOUT) :: tsea_ice ! Local variables !**************************************************************************************** REAL :: fonte,t_cadj INTEGER :: i,k,kt,kb REAL :: zz, za, zb REAL :: cyang ! capacite calorifique slab J/(m2 K) REAL, PARAMETER :: tau_conv=432000. ! temps ajust conv (5 jours) REAL, DIMENSION(ngrid,noceanmx) :: dtdiff_loc,dtekman_loc !*************************************************** ! Capacite calorifique de la couche de surface cyang=capcalocean!slabh(1)*4.228e+06 cpl_pas=1!4*iradia ! ! lecture du bilan au sol lmt_bils issu d'une simulation forcee en debut de journee !! julien = MOD(ijour,360) !! IF (ok_slab_heaT_h2O_ice_liqBS .and. (MOD(itap,lmt_pas) .EQ. 1)) THEN !! ! 1er pas de temps de la journee !! idayvrai = ijour !! CALL condsurf(julien,idayvrai, lmt_bils) !! ENDIF ! ---------------------------------------------- ! A chaque pas de temps: cumul flux de chaleur ! ---------------------------------------------- ! bilan du flux de chaleur dans l'ocean : ! DO i = 1, ngrid za = radsol(i) + fluxo(i) zb = fluxg(i) ! IF(((1-pctsrf(i)).GT.epsfra).OR. & ! (pctsrf(i).GT.epsfra)) THEN slab_bils(i)=slab_bils(i)+(za*(1-pctsrf(i)) & +zb*pctsrf(i))/ cpl_pas ! ENDIF ENDDO !klon ! --------------------------------------------- ! T_h2O_ice_liqus les cpl_pas: update de tslab et seaice ! --------------------------------------------- IF (mod(icount-1,cpl_pas).eq.0) THEN !fin de journee ! ! --------------------------------------------- ! Transport de chaleur par circulation ! Decoupage par pas de temps pour stabilite numérique ! (diffusion, schema centre pour advection) ! --------------------------------------------- dt_hdiff(:,:)=0. dt_ekman(:,:)=0. IF (ok_slab_heat_transp) THEN ! DO i=1,cpl_pas ! Transport diffusif ! IF (ok_soil_hdiff) THEN CALL divgrad_phy(ngrid,noceanmx,tmp_tslab_loc,dtdiff_loc) dtdiff_loc=dtdiff_loc*soil_hdiff*50./SUM(slabh)!*100. ! dtdiff_loc(:,1)=dtdiff_loc(:,1)*soil_hdiff*50./SUM(slabh)*0.8 ! dtdiff_loc(:,2)=dtdiff_loc(:,2)*soil_hdiff*50./SUM(slabh)*0.2 dt_hdiff=dt_hdiff+dtdiff_loc tmp_tslab_loc=tmp_tslab_loc+dtdiff_loc*dtime ! END IF ! Calcul de transport par Ekman CALL slab_ekman2(ngrid,taux_slab,tauy_slab,tslab,dtekman_loc) ! END SELECT ! IF (slab_ekman.GT.0) THEN do k=1,noceanmx dtekman_loc(:,k)=dtekman_loc(:,k)/(slabh(k)*1000.)!*0. enddo dt_ekman(:,:)=dt_ekman(:,:)+dtekman_loc(:,:) tmp_tslab_loc=tmp_tslab_loc+dtekman_loc*dtime ! ENDIF ! ENDDO ! time splitting 1,cpl_pas ! IF (slab_ekman.GT.0) THEN ! taux_slab(:)=0. ! tauy_slab(:)=0. ! ENDIF ! print*, 'slab_bils=',slab_bils(1) ENDIF!(ok_slab_heat_transp) DO i = 1, ngrid ! IF (((1-pctsrf(i)).GT.epsfra).OR. & ! (pctsrf(i).GT.epsfra)) THEN ! --------------------------------------------- ! Ajout des flux de chaleur dans l'océan ! --------------------------------------- !print*, 'T_h2O_ice_liqcean1=',tmp_tslab_loc(i,1) tmp_tslab_loc(i,1) = tmp_tslab_loc(i,1) + & slab_bils(i)/cyang*dtime*cpl_pas !print*, 'capcalocean=',capcalocean !print*, 'cyang=',cyang !print*, 'dT_h2O_ice_liqcean=',slab_bils(i)/cyang*dtime !print*, 'T_h2O_ice_liqcean2=',tmp_tslab_loc(i,1) ! on remet l'accumulation a 0 slab_bils(i) = 0. ! --------------------------------------------- ! Glace interactive ! --------------------------------------------- IF (ok_slab_sic) THEN ! Fondre la glace si température > 0. ! ----------------------------------- IF ((tmp_tslab_loc(i,1).GT.T_h2O_ice_liq-1.8) .AND. (tmp_seaice(i).GT.0.0)) THEN fonte=(tmp_tslab_loc(i,1)-T_h2O_ice_liq+1.8)*cyang & /(ice_lat+ice_cap/2*(T_h2O_ice_liq-1.8-tsea_ice(i))) CALL icemelt(fonte,pctsrf_slab(i),tmp_seaice(i)) tmp_tslab_loc(i,1)=T_h2O_ice_liq-1.8+fonte*ice_lat/cyang ENDIF ! fabriquer de la glace si congelation atteinte: ! ---------------------------------------------- IF (tmp_tslab_loc(i,1).LT.(T_h2O_ice_liq-1.8)) THEN IF (tmp_seaice(i).LT.h_ice_min) THEN ! Creation glace nouvelle ! IF (pctsrf_slab(i).LT.(epsfra)) THEN fonte=(T_h2O_ice_liq-1.8-tmp_tslab_loc(i,1))*cyang/ice_lat IF (fonte.GT.h_ice_min*ice_frac_min) THEN tmp_seaice(i)=MIN(h_ice_thin,fonte/ice_frac_min) tmp_seaice(i)=MAX(tmp_seaice(i),fonte/ice_frac_max) ! IF (fonte.GT.0) THEN ! tmp_seaice(i)=fonte tsea_ice(i)=T_h2O_ice_liq-1.8 pctsrf_slab(i)=(1-pctsrf_slab(i))*fonte/tmp_seaice(i) ! pctsrf_slab(i)=1. tmp_tslab_loc(i,1)=T_h2O_ice_liq-1.8 ENDIF ELSE ! glace déjà présente ! Augmenter epaisseur fonte=(T_h2O_ice_liq-1.8-tmp_tslab_loc(i,1))*cyang & /(ice_lat+ice_cap/2*(T_h2O_ice_liq-1.8-tsea_ice(i))) zz=tmp_seaice(i) tmp_seaice(i)=MAX(zz,MIN(h_ice_thick,fonte+zz)) ! Augmenter couverture (oce libre et h>h_thick) za=1-pctsrf_slab(i) zb=pctsrf_slab(i) fonte=fonte*za+MAX(0.0,fonte+zz-tmp_seaice(i))*zb pctsrf_slab(i)=MIN(zb+fonte/tmp_seaice(i), & (za+zb)*ice_frac_max) fonte=MAX(0.0,fonte-(pctsrf_slab(i)-zb)*tmp_seaice(i)) ! Augmenter epaisseur si couverture complete tmp_seaice(i)=tmp_seaice(i)+fonte/pctsrf_slab(i) tmp_tslab_loc(i,1) = T_h2O_ice_liq-1.8 ENDIF ! presence glace ENDIF !congelation ! vérifier limites de hauteur de glace IF(tmp_seaice(i).GT.h_ice_min) THEN tmp_seaice(i) = MIN(tmp_seaice(i),h_ice_max) ELSE tmp_seaice(i) = 0. pctsrf_slab(i)=0. ENDIF! (tmp_seaice(i).GT.h_ice_min) ENDIF !(ok_slab_sic) Glace interactive ! ---------------------------------- ! Ajustement convectif si > 1 layers ! ---------------------------------- IF ((noceanmx.GT.1)) THEN DO kt=1,noceanmx-1 kb=kt DO k=kt+1,noceanmx !look for instability IF (tmp_tslab_loc(i,k).GT.tmp_tslab_loc(i,kt)) THEN kb=k ENDIF ENDDO IF (kb.GT.kt) THEN !ajust conv ! IF (slab_cadj.EQ.1) THEN ! : t_cadj=SUM(tmp_tslab_loc(i,kt:kb)*slabh(kt:kb))/SUM(slabh(kt:kb)) ! DO k=kt,kb ! tmp_tslab_loc(i,k)=t_cadj ! ENDDO ! ELSEIF (slab_cadj.EQ.2) THEN t_cadj=(tmp_tslab_loc(i,kb)-tmp_tslab_loc(i,kt))*dtime/tau_conv*cpl_pas tmp_tslab_loc(i,kt)=tmp_tslab_loc(i,kt)+t_cadj tmp_tslab_loc(i,kb)=tmp_tslab_loc(i,kb)-t_cadj*slabh(kt)/slabh(kb) !ENDIF ENDIF ENDDO ENDIF !ajust 2 layers ! ENDIF !pctsrf ENDDO !klon ! On met a jour la temperature et la glace tslab = tmp_tslab_loc ENDIF !(mod(icount-1,cpl_pas).eq.0) END SUBROUTINE interfoce_slab ! !****************************************************************************** SUBROUTINE icemelt(fonte,pctsrf,seaice) use slab_ice_h REAL, INTENT(INOUT) :: pctsrf REAL , INTENT(INOUT) ::fonte,seaice !kg/m2 REAL :: hh !auxilliary REAL :: ff !auxilliary ! ice gt h_ice_thick: decrease thickness up T_h2O_ice_liq h_ice_thick IF (seaice.GT.h_ice_thick) THEN hh=seaice ! ff=fonte seaice=max(h_ice_thick,hh-fonte) fonte=max(0.0,fonte+h_ice_thick-hh) ! seaice=max(0.,hh-fonte) ! fonte=max(0.0,fonte-(seaice-hh)) ! IF (seaice.LT.epsfra) THEN ! pctsrf=0. ! seaice=0. ! fonte=ff-hh ! ENDIF ENDIF ! ice gt h_ice_thin: partially decrease thickness IF ((seaice.GE.h_ice_thin).AND.(fonte.GT.0.0)) THEN hh=seaice seaice=MAX(hh-0.6*fonte,h_ice_thin) fonte=MAX(0.0,fonte-hh+seaice) ENDIF ! use rest T_h2O_ice_liq decrease area hh=pctsrf pctsrf=MIN(hh,MAX(0.0,hh-fonte/seaice)) fonte=MAX(0.0,fonte-(hh-pctsrf)*seaice) END SUBROUTINE icemelt !**************************************************************************************** ! SUBROUTINE ocean_slab_final!(tslab_rst, seaice_rst) ! This subroutine will send T_h2O_ice_liq phyredem the variables concerning the slab ! ocean that should be written T_h2O_ice_liq restart file. !**************************************************************************************** ! REAL, DIMENSION(ngridmx,noceanmx), INTENT(OUT) :: tslab_rst ! REAL, DIMENSION(ngridmx), INTENT(OUT) :: seaice_rst !**************************************************************************************** ! Set the output variables ! tslab_rst(:,:) = tmp_tslab(:,:) ! tslab_rst(:) = tmp_tslab_loc(:) ! seaice_rst(:) = tmp_seaice(:) ! Deallocation of all variables in module DEALLOCATE(tmp_tslab, tmp_tslab_loc, tmp_pctsrf_slab) DEALLOCATE(tmp_seaice, tmp_radsol, tmp_flux_o, tmp_flux_g) DEALLOCATE(slab_bils, lmt_bils) DEALLOCATE(dt_hdiff) END SUBROUTINE ocean_slab_final ! !**************************************************************************************** ! SUBROUTINE ocean_slab_get_vars(ngrid,tslab_loc, seaice_loc, flux_o_loc, flux_g_loc, & dt_hdiff_loc,dt_ekman_loc) ! "Get some variables from module ocean_slab_mod" ! This subroutine prints variables T_h2O_ice_liq a external routine INTEGER, INTENT(IN) :: ngrid REAL, DIMENSION(ngrid,noceanmx), INTENT(OUT) :: tslab_loc REAL, DIMENSION(ngrid), INTENT(OUT) :: seaice_loc REAL, DIMENSION(ngrid), INTENT(OUT) :: flux_o_loc REAL, DIMENSION(ngrid), INTENT(OUT) :: flux_g_loc REAL, DIMENSION(ngrid,noceanmx), INTENT(OUT) :: dt_hdiff_loc REAL, DIMENSION(ngrid,noceanmx), INTENT(OUT) :: dt_ekman_loc INTEGER :: i ! Set the output variables tslab_loc=0. dt_hdiff_loc=0. dt_ekman_loc=0. tslab_loc = tmp_tslab seaice_loc(:) = tmp_seaice(:) flux_o_loc(:) = tmp_flux_o(:) flux_g_loc(:) = tmp_flux_g(:) DO i=1,noceanmx dt_hdiff_loc(:,i) = dt_hdiff(:,i)*slabh(i)*1000.*4228. !Convert en W/m2 dt_ekman_loc(:,i) = dt_ekman(:,i)*slabh(i)*1000.*4228. ENDDO END SUBROUTINE ocean_slab_get_vars ! !**************************************************************************************** ! END MODULE ocean_slab_mod