Sources/phylmd/clmain.f

SUBROUTINE clmain(dtime, itap, date0, pctsrf, pctsrf_new, t, q, u, v,&
     jour, rmu0, co2_ppm, ok_veget, ocean, npas, nexca, ts,&
     soil_model, cdmmax, cdhmax, ksta, ksta_ter, ok_kzmin, ftsoil,&
     qsol, paprs, pplay, snow, qsurf, evap, albe, alblw, fluxlat,&
     rain_f, snow_f, solsw, sollw, sollwdown, fder, rlon, rlat, cufi,&
     cvfi, rugos, debut, lafin, agesno, rugoro, d_t, d_q, d_u, d_v,&
     d_ts, flux_t, flux_q, flux_u, flux_v, cdragh, cdragm, q2,&
     dflux_t, dflux_q, zcoefh, zu1, zv1, t2m, q2m, u10m, v10m, pblh,&
     capcl, oliqcl, cteicl, pblt, therm, trmb1, trmb2, trmb3, plcl,&
     fqcalving, ffonte, run_off_lic_0, flux_o, flux_g, tslab, seaice)

  ! From phylmd/clmain.F, v 1.6 2005/11/16 14:47:19

  !AA Tout ce qui a trait au traceurs est dans phytrac maintenant
  !AA pour l'instant le calcul de la couche limite pour les traceurs
  !AA se fait avec cltrac et ne tient pas compte de la differentiation
  !AA des sous-fraction de sol.

  !AA Pour pouvoir extraire les coefficient d'echanges et le vent
  !AA dans la premiere couche, 3 champs supplementaires ont ete crees
  !AA zcoefh, zu1 et zv1. Pour l'instant nous avons moyenne les valeurs
  !AA de ces trois champs sur les 4 subsurfaces du modele. Dans l'avenir
  !AA si les informations des subsurfaces doivent etre prises en compte
  !AA il faudra sortir ces memes champs en leur ajoutant une dimension,
  !AA c'est a dire nbsrf (nbre de subsurface).

  ! Auteur(s) Z.X. Li (LMD/CNRS) date: 19930818
  ! Objet: interface de "couche limite" (diffusion verticale)

  ! Arguments:
  ! dtime----input-R- interval du temps (secondes)
  ! itap-----input-I- numero du pas de temps
  ! date0----input-R- jour initial
  ! t--------input-R- temperature (K)
  ! q--------input-R- vapeur d'eau (kg/kg)
  ! u--------input-R- vitesse u
  ! v--------input-R- vitesse v
  ! ts-------input-R- temperature du sol (en Kelvin)
  ! paprs----input-R- pression a intercouche (Pa)
  ! pplay----input-R- pression au milieu de couche (Pa)
  ! radsol---input-R- flux radiatif net (positif vers le sol) en W/m**2
  ! rlat-----input-R- latitude en degree
  ! rugos----input-R- longeur de rugosite (en m)
  ! cufi-----input-R- resolution des mailles en x (m)
  ! cvfi-----input-R- resolution des mailles en y (m)

  ! d_t------output-R- le changement pour "t"
  ! d_q------output-R- le changement pour "q"
  ! d_u------output-R- le changement pour "u"
  ! d_v------output-R- le changement pour "v"
  ! d_ts-----output-R- le changement pour "ts"
  ! flux_t---output-R- flux de chaleur sensible (CpT) J/m**2/s (W/m**2)
  !                    (orientation positive vers le bas)
  ! flux_q---output-R- flux de vapeur d'eau (kg/m**2/s)
  ! flux_u---output-R- tension du vent X: (kg m/s)/(m**2 s) ou Pascal
  ! flux_v---output-R- tension du vent Y: (kg m/s)/(m**2 s) ou Pascal
  ! dflux_t derive du flux sensible
  ! dflux_q derive du flux latent
  !IM "slab" ocean
  ! flux_g---output-R-  flux glace (pour OCEAN='slab  ')
  ! flux_o---output-R-  flux ocean (pour OCEAN='slab  ')
  ! tslab-in/output-R temperature du slab ocean (en Kelvin) ! uniqmnt pour slab
  ! seaice---output-R-  glace de mer (kg/m2) (pour OCEAN='slab  ')
  !cc
  ! ffonte----Flux thermique utilise pour fondre la neige
  ! fqcalving-Flux d'eau "perdue" par la surface et necessaire pour limiter la
  !           hauteur de neige, en kg/m2/s
  !AA on rajoute en output yu1 et yv1 qui sont les vents dans
  !AA la premiere couche
  !AA ces 4 variables sont maintenant traites dans phytrac
  ! itr--------input-I- nombre de traceurs
  ! tr---------input-R- q. de traceurs
  ! flux_surf--input-R- flux de traceurs a la surface
  ! d_tr-------output-R tendance de traceurs
  !IM cf. AM : PBL
  ! trmb1-------deep_cape
  ! trmb2--------inhibition
  ! trmb3-------Point Omega
  ! Cape(klon)-------Cape du thermique
  ! EauLiq(klon)-------Eau liqu integr du thermique
  ! ctei(klon)-------Critere d'instab d'entrainmt des nuages de CL
  ! lcl------- Niveau de condensation
  ! pblh------- HCL
  ! pblT------- T au nveau HCL

  !$$$ PB ajout pour soil

  USE ioipsl, ONLY : histbeg_totreg, histdef, histend, histsync, &
       histwrite, ymds2ju
  USE dimens_m, ONLY : iim, jjm
  USE indicesol, ONLY : epsfra, is_lic, is_oce, is_sic, is_ter, nbsrf
  USE dimphy, ONLY : klev, klon, zmasq
  USE dimsoil, ONLY : nsoilmx
  USE temps, ONLY : annee_ref, day_ini, itau_phy
  USE iniprint, ONLY : prt_level
  USE yomcst, ONLY : rd, rg, rkappa
  USE conf_phys_m, ONLY : iflag_pbl
  USE gath_cpl, ONLY : gath2cpl

  IMPLICIT NONE

  REAL, INTENT (IN) :: dtime
  REAL date0
  INTEGER, INTENT (IN) :: itap
  REAL t(klon, klev), q(klon, klev)
  REAL u(klon, klev), v(klon, klev)
  REAL, INTENT (IN) :: paprs(klon, klev+1)
  REAL, INTENT (IN) :: pplay(klon, klev)
  REAL, INTENT (IN) :: rlon(klon), rlat(klon)
  REAL cufi(klon), cvfi(klon)
  REAL d_t(klon, klev), d_q(klon, klev)
  REAL d_u(klon, klev), d_v(klon, klev)
  REAL flux_t(klon, klev, nbsrf), flux_q(klon, klev, nbsrf)
  REAL dflux_t(klon), dflux_q(klon)
  !IM "slab" ocean
  REAL flux_o(klon), flux_g(klon)
  REAL y_flux_o(klon), y_flux_g(klon)
  REAL tslab(klon), ytslab(klon)
  REAL seaice(klon), y_seaice(klon)
  REAL y_fqcalving(klon), y_ffonte(klon)
  REAL fqcalving(klon, nbsrf), ffonte(klon, nbsrf)
  REAL run_off_lic_0(klon), y_run_off_lic_0(klon)

  REAL flux_u(klon, klev, nbsrf), flux_v(klon, klev, nbsrf)
  REAL rugmer(klon), agesno(klon, nbsrf)
  REAL, INTENT (IN) :: rugoro(klon)
  REAL cdragh(klon), cdragm(klon)
  ! jour de l'annee en cours                
  INTEGER jour
  REAL rmu0(klon) ! cosinus de l'angle solaire zenithal     
  ! taux CO2 atmosphere                     
  REAL co2_ppm
  LOGICAL, INTENT (IN) :: debut
  LOGICAL, INTENT (IN) :: lafin
  LOGICAL ok_veget
  CHARACTER (len=*), INTENT (IN) :: ocean
  INTEGER npas, nexca

  REAL pctsrf(klon, nbsrf)
  REAL ts(klon, nbsrf)
  REAL d_ts(klon, nbsrf)
  REAL snow(klon, nbsrf)
  REAL qsurf(klon, nbsrf)
  REAL evap(klon, nbsrf)
  REAL albe(klon, nbsrf)
  REAL alblw(klon, nbsrf)

  REAL fluxlat(klon, nbsrf)

  REAL rain_f(klon), snow_f(klon)
  REAL fder(klon)

  REAL sollw(klon, nbsrf), solsw(klon, nbsrf), sollwdown(klon)
  REAL rugos(klon, nbsrf)
  ! la nouvelle repartition des surfaces sortie de l'interface
  REAL pctsrf_new(klon, nbsrf)

  REAL zcoefh(klon, klev)
  REAL zu1(klon)
  REAL zv1(klon)

  !$$$ PB ajout pour soil
  LOGICAL, INTENT (IN) :: soil_model
  !IM ajout seuils cdrm, cdrh
  REAL cdmmax, cdhmax

  REAL ksta, ksta_ter
  LOGICAL ok_kzmin

  REAL ftsoil(klon, nsoilmx, nbsrf)
  REAL ytsoil(klon, nsoilmx)
  REAL qsol(klon)

  EXTERNAL clqh, clvent, coefkz, calbeta, cltrac

  REAL yts(klon), yrugos(klon), ypct(klon), yz0_new(klon)
  REAL yalb(klon)
  REAL yalblw(klon)
  REAL yu1(klon), yv1(klon)
  REAL ysnow(klon), yqsurf(klon), yagesno(klon), yqsol(klon)
  REAL yrain_f(klon), ysnow_f(klon)
  REAL ysollw(klon), ysolsw(klon), ysollwdown(klon)
  REAL yfder(klon), ytaux(klon), ytauy(klon)
  REAL yrugm(klon), yrads(klon), yrugoro(klon)

  REAL yfluxlat(klon)

  REAL y_d_ts(klon)
  REAL y_d_t(klon, klev), y_d_q(klon, klev)
  REAL y_d_u(klon, klev), y_d_v(klon, klev)
  REAL y_flux_t(klon, klev), y_flux_q(klon, klev)
  REAL y_flux_u(klon, klev), y_flux_v(klon, klev)
  REAL y_dflux_t(klon), y_dflux_q(klon)
  REAL ycoefh(klon, klev), ycoefm(klon, klev)
  REAL yu(klon, klev), yv(klon, klev)
  REAL yt(klon, klev), yq(klon, klev)
  REAL ypaprs(klon, klev+1), ypplay(klon, klev), ydelp(klon, klev)

  LOGICAL ok_nonloc
  PARAMETER (ok_nonloc=.FALSE.)
  REAL ycoefm0(klon, klev), ycoefh0(klon, klev)

  !IM 081204 hcl_Anne ? BEG
  REAL yzlay(klon, klev), yzlev(klon, klev+1), yteta(klon, klev)
  REAL ykmm(klon, klev+1), ykmn(klon, klev+1)
  REAL ykmq(klon, klev+1)
  REAL yq2(klon, klev+1), q2(klon, klev+1, nbsrf)
  REAL q2diag(klon, klev+1)
  !IM 081204 hcl_Anne ? END

  REAL u1lay(klon), v1lay(klon)
  REAL delp(klon, klev)
  INTEGER i, k, nsrf

  INTEGER ni(klon), knon, j
  ! Introduction d'une variable "pourcentage potentiel" pour tenir compte
  ! des eventuelles apparitions et/ou disparitions de la glace de mer
  REAL pctsrf_pot(klon, nbsrf)

  REAL zx_alf1, zx_alf2 !valeur ambiante par extrapola.

  ! maf pour sorties IOISPL en cas de debugagage

  CHARACTER (80) cldebug
  SAVE cldebug
  CHARACTER (8) cl_surf(nbsrf)
  SAVE cl_surf
  INTEGER nhoridbg, nidbg
  SAVE nhoridbg, nidbg
  INTEGER ndexbg(iim*(jjm+1))
  REAL zx_lon(iim, jjm+1), zx_lat(iim, jjm+1), zjulian
  REAL tabindx(klon)
  REAL debugtab(iim, jjm+1)
  LOGICAL first_appel
  SAVE first_appel
  DATA first_appel/ .TRUE./
  LOGICAL :: debugindex = .FALSE.
  INTEGER idayref
  REAL t2m(klon, nbsrf), q2m(klon, nbsrf)
  REAL u10m(klon, nbsrf), v10m(klon, nbsrf)

  REAL yt2m(klon), yq2m(klon), yu10m(klon)
  REAL yustar(klon)
  ! -- LOOP
  REAL yu10mx(klon)
  REAL yu10my(klon)
  REAL ywindsp(klon)
  ! -- LOOP

  REAL yt10m(klon), yq10m(klon)
  !IM cf. AM : pbl, hbtm2 (Comme les autres diagnostics on cumule ds
  ! physiq ce qui permet de sortir les grdeurs par sous surface)
  REAL pblh(klon, nbsrf)
  REAL plcl(klon, nbsrf)
  REAL capcl(klon, nbsrf)
  REAL oliqcl(klon, nbsrf)
  REAL cteicl(klon, nbsrf)
  REAL pblt(klon, nbsrf)
  REAL therm(klon, nbsrf)
  REAL trmb1(klon, nbsrf)
  REAL trmb2(klon, nbsrf)
  REAL trmb3(klon, nbsrf)
  REAL ypblh(klon)
  REAL ylcl(klon)
  REAL ycapcl(klon)
  REAL yoliqcl(klon)
  REAL ycteicl(klon)
  REAL ypblt(klon)
  REAL ytherm(klon)
  REAL ytrmb1(klon)
  REAL ytrmb2(klon)
  REAL ytrmb3(klon)
  REAL y_cd_h(klon), y_cd_m(klon)
  REAL uzon(klon), vmer(klon)
  REAL tair1(klon), qair1(klon), tairsol(klon)
  REAL psfce(klon), patm(klon)

  REAL qairsol(klon), zgeo1(klon)
  REAL rugo1(klon)

  ! utiliser un jeu de fonctions simples               
  LOGICAL zxli
  PARAMETER (zxli=.FALSE.)

  REAL zt, zqs, zdelta, zcor
  REAL t_coup
  PARAMETER (t_coup=273.15)

  CHARACTER (len=20) :: modname = 'clmain'
  LOGICAL check
  PARAMETER (check=.FALSE.)

  !------------------------------------------------------------

  ! initialisation Anne
  ytherm = 0.

  IF (check) THEN
     PRINT *, modname, '  klon=', klon
  END IF

  IF (debugindex .AND. first_appel) THEN
     first_appel = .FALSE.

     ! initialisation sorties netcdf

     idayref = day_ini
     CALL ymds2ju(annee_ref, 1, idayref, 0.0, zjulian)
     CALL gr_fi_ecrit(1, klon, iim, jjm+1, rlon, zx_lon)
     DO i = 1, iim
        zx_lon(i, 1) = rlon(i+1)
        zx_lon(i, jjm+1) = rlon(i+1)
     END DO
     CALL gr_fi_ecrit(1, klon, iim, jjm+1, rlat, zx_lat)
     cldebug = 'sous_index'
     CALL histbeg_totreg(cldebug, zx_lon(:, 1), zx_lat(1, :), 1, &
          iim, 1, jjm+1, itau_phy, zjulian, dtime, nhoridbg, nidbg)
     ! no vertical axis
     cl_surf(1) = 'ter'
     cl_surf(2) = 'lic'
     cl_surf(3) = 'oce'
     cl_surf(4) = 'sic'
     DO nsrf = 1, nbsrf
        CALL histdef(nidbg, cl_surf(nsrf), cl_surf(nsrf), '-', iim, jjm+1, &
             nhoridbg, 1, 1, 1, -99, 'inst', dtime, dtime)
     END DO
     CALL histend(nidbg)
     CALL histsync(nidbg)
  END IF

  DO k = 1, klev ! epaisseur de couche
     DO i = 1, klon
        delp(i, k) = paprs(i, k) - paprs(i, k+1)
     END DO
  END DO
  DO i = 1, klon ! vent de la premiere couche
     zx_alf1 = 1.0
     zx_alf2 = 1.0 - zx_alf1
     u1lay(i) = u(i, 1)*zx_alf1 + u(i, 2)*zx_alf2
     v1lay(i) = v(i, 1)*zx_alf1 + v(i, 2)*zx_alf2
  END DO

  ! initialisation:

  DO i = 1, klon
     rugmer(i) = 0.0
     cdragh(i) = 0.0
     cdragm(i) = 0.0
     dflux_t(i) = 0.0
     dflux_q(i) = 0.0
     zu1(i) = 0.0
     zv1(i) = 0.0
  END DO
  ypct = 0.0
  yts = 0.0
  ysnow = 0.0
  yqsurf = 0.0
  yalb = 0.0
  yalblw = 0.0
  yrain_f = 0.0
  ysnow_f = 0.0
  yfder = 0.0
  ytaux = 0.0
  ytauy = 0.0
  ysolsw = 0.0
  ysollw = 0.0
  ysollwdown = 0.0
  yrugos = 0.0
  yu1 = 0.0
  yv1 = 0.0
  yrads = 0.0
  ypaprs = 0.0
  ypplay = 0.0
  ydelp = 0.0
  yu = 0.0
  yv = 0.0
  yt = 0.0
  yq = 0.0
  pctsrf_new = 0.0
  y_flux_u = 0.0
  y_flux_v = 0.0
  !$$ PB
  y_dflux_t = 0.0
  y_dflux_q = 0.0
  ytsoil = 999999.
  yrugoro = 0.
  ! -- LOOP
  yu10mx = 0.0
  yu10my = 0.0
  ywindsp = 0.0
  ! -- LOOP
  DO nsrf = 1, nbsrf
     DO i = 1, klon
        d_ts(i, nsrf) = 0.0
     END DO
  END DO
  !§§§ PB
  yfluxlat = 0.
  flux_t = 0.
  flux_q = 0.
  flux_u = 0.
  flux_v = 0.
  DO k = 1, klev
     DO i = 1, klon
        d_t(i, k) = 0.0
        d_q(i, k) = 0.0
        !$$$         flux_t(i, k) = 0.0
        !$$$         flux_q(i, k) = 0.0
        d_u(i, k) = 0.0
        d_v(i, k) = 0.0
        !$$$         flux_u(i, k) = 0.0
        !$$$         flux_v(i, k) = 0.0
        zcoefh(i, k) = 0.0
     END DO
  END DO
  !AA      IF (itr.GE.1) THEN
  !AA      DO it = 1, itr
  !AA      DO k = 1, klev
  !AA      DO i = 1, klon
  !AA         d_tr(i, k, it) = 0.0
  !AA      ENDDO
  !AA      ENDDO
  !AA      ENDDO
  !AA      ENDIF


  ! Boucler sur toutes les sous-fractions du sol:

  ! Initialisation des "pourcentages potentiels". On considere ici qu'on
  ! peut avoir potentiellementdela glace sur tout le domaine oceanique
  ! (a affiner)

  pctsrf_pot = pctsrf
  pctsrf_pot(:, is_oce) = 1. - zmasq
  pctsrf_pot(:, is_sic) = 1. - zmasq

  DO nsrf = 1, nbsrf
     ! chercher les indices:
     ni = 0
     knon = 0
     DO i = 1, klon
        ! pour determiner le domaine a traiter on utilise les surfaces
        ! "potentielles"
        IF (pctsrf_pot(i, nsrf) > epsfra) THEN
           knon = knon + 1
           ni(knon) = i
        END IF
     END DO

     IF (check) THEN
        PRINT *, 'CLMAIN, nsrf, knon =', nsrf, knon
     END IF

     ! variables pour avoir une sortie IOIPSL des INDEX
     IF (debugindex) THEN
        tabindx = 0.
        DO i = 1, knon
           tabindx(i) = real(i)
        END DO
        debugtab = 0.
        ndexbg = 0
        CALL gath2cpl(tabindx, debugtab, klon, knon, iim, jjm, ni)
        CALL histwrite(nidbg, cl_surf(nsrf), itap, debugtab)
     END IF

     IF (knon==0) CYCLE

     DO j = 1, knon
        i = ni(j)
        ypct(j) = pctsrf(i, nsrf)
        yts(j) = ts(i, nsrf)
        ytslab(i) = tslab(i)
        ysnow(j) = snow(i, nsrf)
        yqsurf(j) = qsurf(i, nsrf)
        yalb(j) = albe(i, nsrf)
        yalblw(j) = alblw(i, nsrf)
        yrain_f(j) = rain_f(i)
        ysnow_f(j) = snow_f(i)
        yagesno(j) = agesno(i, nsrf)
        yfder(j) = fder(i)
        ytaux(j) = flux_u(i, 1, nsrf)
        ytauy(j) = flux_v(i, 1, nsrf)
        ysolsw(j) = solsw(i, nsrf)
        ysollw(j) = sollw(i, nsrf)
        ysollwdown(j) = sollwdown(i)
        yrugos(j) = rugos(i, nsrf)
        yrugoro(j) = rugoro(i)
        yu1(j) = u1lay(i)
        yv1(j) = v1lay(i)
        yrads(j) = ysolsw(j) + ysollw(j)
        ypaprs(j, klev+1) = paprs(i, klev+1)
        y_run_off_lic_0(j) = run_off_lic_0(i)
        yu10mx(j) = u10m(i, nsrf)
        yu10my(j) = v10m(i, nsrf)
        ywindsp(j) = sqrt(yu10mx(j)*yu10mx(j)+yu10my(j)*yu10my(j))
     END DO

     !     IF bucket model for continent, copy soil water content
     IF (nsrf==is_ter .AND. .NOT. ok_veget) THEN
        DO j = 1, knon
           i = ni(j)
           yqsol(j) = qsol(i)
        END DO
     ELSE
        yqsol = 0.
     END IF
     !$$$ PB ajour pour soil
     DO k = 1, nsoilmx
        DO j = 1, knon
           i = ni(j)
           ytsoil(j, k) = ftsoil(i, k, nsrf)
        END DO
     END DO
     DO k = 1, klev
        DO j = 1, knon
           i = ni(j)
           ypaprs(j, k) = paprs(i, k)
           ypplay(j, k) = pplay(i, k)
           ydelp(j, k) = delp(i, k)
           yu(j, k) = u(i, k)
           yv(j, k) = v(i, k)
           yt(j, k) = t(i, k)
           yq(j, k) = q(i, k)
        END DO
     END DO

     ! calculer Cdrag et les coefficients d'echange
     CALL coefkz(nsrf, knon, ypaprs, ypplay, ksta, ksta_ter, yts,&
          yrugos, yu, yv, yt, yq, yqsurf, ycoefm, ycoefh)
     !IM 081204 BEG
     !CR test
     IF (iflag_pbl==1) THEN
        !IM 081204 END
        CALL coefkz2(nsrf, knon, ypaprs, ypplay, yt, ycoefm0, ycoefh0)
        DO k = 1, klev
           DO i = 1, knon
              ycoefm(i, k) = max(ycoefm(i, k), ycoefm0(i, k))
              ycoefh(i, k) = max(ycoefh(i, k), ycoefh0(i, k))
           END DO
        END DO
     END IF

     !IM cf JLD : on seuille ycoefm et ycoefh
     IF (nsrf==is_oce) THEN
        DO j = 1, knon
           !           ycoefm(j, 1)=min(ycoefm(j, 1), 1.1E-3)
           ycoefm(j, 1) = min(ycoefm(j, 1), cdmmax)
           !           ycoefh(j, 1)=min(ycoefh(j, 1), 1.1E-3)
           ycoefh(j, 1) = min(ycoefh(j, 1), cdhmax)
        END DO
     END IF


     !IM: 261103
     IF (ok_kzmin) THEN
        !IM cf FH: 201103 BEG
        !   Calcul d'une diffusion minimale pour les conditions tres stables.
        CALL coefkzmin(knon, ypaprs, ypplay, yu, yv, yt, yq, ycoefm, ycoefm0, &
             ycoefh0)
        !      call dump2d(iim, jjm-1, ycoefm(2:klon-1, 2), 'KZ         ')
        !      call dump2d(iim, jjm-1, ycoefm0(2:klon-1, 2), 'KZMIN      ')

        IF (1==1) THEN
           DO k = 1, klev
              DO i = 1, knon
                 ycoefm(i, k) = max(ycoefm(i, k), ycoefm0(i, k))
                 ycoefh(i, k) = max(ycoefh(i, k), ycoefh0(i, k))
              END DO
           END DO
        END IF
        !IM cf FH: 201103 END
        !IM: 261103
     END IF !ok_kzmin

     IF (iflag_pbl>=3) THEN

        !ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
        ! MELLOR ET YAMADA adapte a Mars Richard Fournier et Frederic Hourdin
        !ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

        yzlay(1:knon, 1) = rd*yt(1:knon, 1)/(0.5*(ypaprs(1:knon, &
             1)+ypplay(1:knon, 1)))*(ypaprs(1:knon, 1)-ypplay(1:knon, 1))/rg
        DO k = 2, klev
           yzlay(1:knon, k) = yzlay(1:knon, k-1) &
                + rd*0.5*(yt(1:knon, k-1) +yt(1: knon, k)) &
                / ypaprs(1:knon, k) *(ypplay(1:knon, k-1)-ypplay(1:knon, k))/ &
                rg
        END DO
        DO k = 1, klev
           yteta(1:knon, k) = yt(1:knon, k)*(ypaprs(1:knon, 1) &
                / ypplay(1:knon, k))**rkappa * (1.+0.61*yq(1:knon, k))
        END DO
        yzlev(1:knon, 1) = 0.
        yzlev(1:knon, klev+1) = 2.*yzlay(1:knon, klev) - yzlay(1:knon, klev-1)
        DO k = 2, klev
           yzlev(1:knon, k) = 0.5*(yzlay(1:knon, k)+yzlay(1:knon, k-1))
        END DO
        DO k = 1, klev + 1
           DO j = 1, knon
              i = ni(j)
              yq2(j, k) = q2(i, k, nsrf)
           END DO
        END DO


        !   Bug introduit volontairement pour converger avec les resultats
        !  du papier sur les thermiques.
        IF (1==1) THEN
           y_cd_m(1:knon) = ycoefm(1:knon, 1)
           y_cd_h(1:knon) = ycoefh(1:knon, 1)
        ELSE
           y_cd_h(1:knon) = ycoefm(1:knon, 1)
           y_cd_m(1:knon) = ycoefh(1:knon, 1)
        END IF
        CALL ustarhb(knon, yu, yv, y_cd_m, yustar)

        IF (prt_level>9) THEN
           PRINT *, 'USTAR = ', yustar
        END IF

        !   iflag_pbl peut etre utilise comme longuer de melange

        IF (iflag_pbl>=11) THEN
           CALL vdif_kcay(knon, dtime, rg, rd, ypaprs, yt, yzlev, yzlay, yu, yv, yteta, &
                y_cd_m, yq2, q2diag, ykmm, ykmn, yustar, iflag_pbl)
        ELSE
           CALL yamada4(knon, dtime, rg, rd, ypaprs, yt, yzlev, yzlay, yu, yv, yteta, &
                y_cd_m, yq2, ykmm, ykmn, ykmq, yustar, iflag_pbl)
        END IF

        ycoefm(1:knon, 1) = y_cd_m(1:knon)
        ycoefh(1:knon, 1) = y_cd_h(1:knon)
        ycoefm(1:knon, 2:klev) = ykmm(1:knon, 2:klev)
        ycoefh(1:knon, 2:klev) = ykmn(1:knon, 2:klev)


     END IF

     !ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
     ! calculer la diffusion des vitesses "u" et "v"
     !ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

     CALL clvent(knon, dtime, yu1, yv1, ycoefm, yt, yu, ypaprs, ypplay, &
          ydelp, y_d_u, y_flux_u)
     CALL clvent(knon, dtime, yu1, yv1, ycoefm, yt, yv, ypaprs, ypplay, &
          ydelp, y_d_v, y_flux_v)

     ! pour le couplage
     ytaux = y_flux_u(:, 1)
     ytauy = y_flux_v(:, 1)

     ! FH modif sur le cdrag temperature
     !$$$PB : déplace dans clcdrag
     !$$$      do i=1, knon
     !$$$         ycoefh(i, 1)=ycoefm(i, 1)*0.8
     !$$$      enddo

     ! calculer la diffusion de "q" et de "h"
     CALL clqh(dtime, itap, date0, jour, debut, lafin, rlon, rlat,&
          cufi, cvfi, knon, nsrf, ni, pctsrf, soil_model, ytsoil,&
          yqsol, ok_veget, ocean, npas, nexca, rmu0, co2_ppm, yrugos,&
          yrugoro, yu1, yv1, ycoefh, yt, yq, yts, ypaprs, ypplay,&
          ydelp, yrads, yalb, yalblw, ysnow, yqsurf, yrain_f, ysnow_f, &
          yfder, ytaux, ytauy, ywindsp, ysollw, ysollwdown, ysolsw,&
          yfluxlat, pctsrf_new, yagesno, y_d_t, y_d_q, y_d_ts,&
          yz0_new, y_flux_t, y_flux_q, y_dflux_t, y_dflux_q,&
          y_fqcalving, y_ffonte, y_run_off_lic_0, y_flux_o, y_flux_g,&
          ytslab, y_seaice)

     ! calculer la longueur de rugosite sur ocean
     yrugm = 0.
     IF (nsrf==is_oce) THEN
        DO j = 1, knon
           yrugm(j) = 0.018*ycoefm(j, 1)*(yu1(j)**2+yv1(j)**2)/rg + &
                0.11*14E-6/sqrt(ycoefm(j, 1)*(yu1(j)**2+yv1(j)**2))
           yrugm(j) = max(1.5E-05, yrugm(j))
        END DO
     END IF
     DO j = 1, knon
        y_dflux_t(j) = y_dflux_t(j)*ypct(j)
        y_dflux_q(j) = y_dflux_q(j)*ypct(j)
        yu1(j) = yu1(j)*ypct(j)
        yv1(j) = yv1(j)*ypct(j)
     END DO

     DO k = 1, klev
        DO j = 1, knon
           i = ni(j)
           ycoefh(j, k) = ycoefh(j, k)*ypct(j)
           ycoefm(j, k) = ycoefm(j, k)*ypct(j)
           y_d_t(j, k) = y_d_t(j, k)*ypct(j)
           y_d_q(j, k) = y_d_q(j, k)*ypct(j)
           !§§§ PB
           flux_t(i, k, nsrf) = y_flux_t(j, k)
           flux_q(i, k, nsrf) = y_flux_q(j, k)
           flux_u(i, k, nsrf) = y_flux_u(j, k)
           flux_v(i, k, nsrf) = y_flux_v(j, k)
           !$$$ PB        y_flux_t(j, k) = y_flux_t(j, k) * ypct(j)
           !$$$ PB        y_flux_q(j, k) = y_flux_q(j, k) * ypct(j)
           y_d_u(j, k) = y_d_u(j, k)*ypct(j)
           y_d_v(j, k) = y_d_v(j, k)*ypct(j)
           !$$$ PB        y_flux_u(j, k) = y_flux_u(j, k) * ypct(j)
           !$$$ PB        y_flux_v(j, k) = y_flux_v(j, k) * ypct(j)
        END DO
     END DO


     evap(:, nsrf) = -flux_q(:, 1, nsrf)

     albe(:, nsrf) = 0.
     alblw(:, nsrf) = 0.
     snow(:, nsrf) = 0.
     qsurf(:, nsrf) = 0.
     rugos(:, nsrf) = 0.
     fluxlat(:, nsrf) = 0.
     DO j = 1, knon
        i = ni(j)
        d_ts(i, nsrf) = y_d_ts(j)
        albe(i, nsrf) = yalb(j)
        alblw(i, nsrf) = yalblw(j)
        snow(i, nsrf) = ysnow(j)
        qsurf(i, nsrf) = yqsurf(j)
        rugos(i, nsrf) = yz0_new(j)
        fluxlat(i, nsrf) = yfluxlat(j)
        !$$$ pb         rugmer(i) = yrugm(j)
        IF (nsrf==is_oce) THEN
           rugmer(i) = yrugm(j)
           rugos(i, nsrf) = yrugm(j)
        END IF
        !IM cf JLD ??
        agesno(i, nsrf) = yagesno(j)
        fqcalving(i, nsrf) = y_fqcalving(j)
        ffonte(i, nsrf) = y_ffonte(j)
        cdragh(i) = cdragh(i) + ycoefh(j, 1)
        cdragm(i) = cdragm(i) + ycoefm(j, 1)
        dflux_t(i) = dflux_t(i) + y_dflux_t(j)
        dflux_q(i) = dflux_q(i) + y_dflux_q(j)
        zu1(i) = zu1(i) + yu1(j)
        zv1(i) = zv1(i) + yv1(j)
     END DO
     IF (nsrf==is_ter) THEN
        DO j = 1, knon
           i = ni(j)
           qsol(i) = yqsol(j)
        END DO
     END IF
     IF (nsrf==is_lic) THEN
        DO j = 1, knon
           i = ni(j)
           run_off_lic_0(i) = y_run_off_lic_0(j)
        END DO
     END IF
     !$$$ PB ajout pour soil
     ftsoil(:, :, nsrf) = 0.
     DO k = 1, nsoilmx
        DO j = 1, knon
           i = ni(j)
           ftsoil(i, k, nsrf) = ytsoil(j, k)
        END DO
     END DO

     DO j = 1, knon
        i = ni(j)
        DO k = 1, klev
           d_t(i, k) = d_t(i, k) + y_d_t(j, k)
           d_q(i, k) = d_q(i, k) + y_d_q(j, k)
           !$$$ PB        flux_t(i, k) = flux_t(i, k) + y_flux_t(j, k)
           !$$$         flux_q(i, k) = flux_q(i, k) + y_flux_q(j, k)
           d_u(i, k) = d_u(i, k) + y_d_u(j, k)
           d_v(i, k) = d_v(i, k) + y_d_v(j, k)
           !$$$  PB       flux_u(i, k) = flux_u(i, k) + y_flux_u(j, k)
           !$$$         flux_v(i, k) = flux_v(i, k) + y_flux_v(j, k)
           zcoefh(i, k) = zcoefh(i, k) + ycoefh(j, k)
        END DO
     END DO


     !cc diagnostic t, q a 2m et u, v a 10m

     DO j = 1, knon
        i = ni(j)
        uzon(j) = yu(j, 1) + y_d_u(j, 1)
        vmer(j) = yv(j, 1) + y_d_v(j, 1)
        tair1(j) = yt(j, 1) + y_d_t(j, 1)
        qair1(j) = yq(j, 1) + y_d_q(j, 1)
        zgeo1(j) = rd*tair1(j)/(0.5*(ypaprs(j, 1)+ypplay(j, &
             1)))*(ypaprs(j, 1)-ypplay(j, 1))
        tairsol(j) = yts(j) + y_d_ts(j)
        rugo1(j) = yrugos(j)
        IF (nsrf==is_oce) THEN
           rugo1(j) = rugos(i, nsrf)
        END IF
        psfce(j) = ypaprs(j, 1)
        patm(j) = ypplay(j, 1)

        qairsol(j) = yqsurf(j)
     END DO

     CALL stdlevvar(klon, knon, nsrf, zxli, uzon, vmer, tair1, qair1, zgeo1, &
          tairsol, qairsol, rugo1, psfce, patm, yt2m, yq2m, yt10m, yq10m, &
          yu10m, yustar)
     !IM 081204 END

     DO j = 1, knon
        i = ni(j)
        t2m(i, nsrf) = yt2m(j)
        q2m(i, nsrf) = yq2m(j)

        ! u10m, v10m : composantes du vent a 10m sans spirale de Ekman
        u10m(i, nsrf) = (yu10m(j)*uzon(j))/sqrt(uzon(j)**2+vmer(j)**2)
        v10m(i, nsrf) = (yu10m(j)*vmer(j))/sqrt(uzon(j)**2+vmer(j)**2)

     END DO

     !IM cf AM : pbl, HBTM
     DO i = 1, knon
        y_cd_h(i) = ycoefh(i, 1)
        y_cd_m(i) = ycoefm(i, 1)
     END DO
     !     print*, 'appel hbtm2'
     CALL hbtm(knon, ypaprs, ypplay, yt2m, yt10m, yq2m, yq10m, yustar, y_flux_t, &
          y_flux_q, yu, yv, yt, yq, ypblh, ycapcl, yoliqcl, ycteicl, ypblt, ytherm, &
          ytrmb1, ytrmb2, ytrmb3, ylcl)
     !     print*, 'fin hbtm2'

     DO j = 1, knon
        i = ni(j)
        pblh(i, nsrf) = ypblh(j)
        plcl(i, nsrf) = ylcl(j)
        capcl(i, nsrf) = ycapcl(j)
        oliqcl(i, nsrf) = yoliqcl(j)
        cteicl(i, nsrf) = ycteicl(j)
        pblt(i, nsrf) = ypblt(j)
        therm(i, nsrf) = ytherm(j)
        trmb1(i, nsrf) = ytrmb1(j)
        trmb2(i, nsrf) = ytrmb2(j)
        trmb3(i, nsrf) = ytrmb3(j)
     END DO


     DO j = 1, knon
        DO k = 1, klev + 1
           i = ni(j)
           q2(i, k, nsrf) = yq2(j, k)
        END DO
     END DO
     !IM "slab" ocean
     IF (nsrf==is_oce) THEN
        DO j = 1, knon
           ! on projette sur la grille globale
           i = ni(j)
           IF (pctsrf_new(i, is_oce)>epsfra) THEN
              flux_o(i) = y_flux_o(j)
           ELSE
              flux_o(i) = 0.
           END IF
        END DO
     END IF

     IF (nsrf==is_sic) THEN
        DO j = 1, knon
           i = ni(j)
           !IM 230604 on pondere lorsque l'on fait le bilan au sol :  flux_g(i) = y_flux_g(j)*ypct(j)
           IF (pctsrf_new(i, is_sic)>epsfra) THEN
              flux_g(i) = y_flux_g(j)
           ELSE
              flux_g(i) = 0.
           END IF
        END DO

     END IF
     !nsrf.EQ.is_sic                                            
     IF (ocean=='slab  ') THEN
        IF (nsrf==is_oce) THEN
           tslab(1:klon) = ytslab(1:klon)
           seaice(1:klon) = y_seaice(1:klon)
           !nsrf                                                      
        END IF
        !OCEAN                                                      
     END IF
  END DO

  ! On utilise les nouvelles surfaces
  ! A rajouter: conservation de l'albedo

  rugos(:, is_oce) = rugmer
  pctsrf = pctsrf_new

END SUBROUTINE clmain