phylmd/Interface_surf/interfsurf_hq.f

module interfsurf_hq_m

  implicit none

contains

  SUBROUTINE interfsurf_hq(itime, dtime, jour, rmu0, nisurf, knon, knindex, &
       pctsrf, rlat, debut, nsoilmx, tsoil, qsol, u1_lay, v1_lay, temp_air, &
       spechum, tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, &
       precip_rain, precip_snow, fder, rugos, rugoro, snow, qsurf, tsurf, &
       p1lay, ps, radsol, evap, fluxsens, fluxlat, dflux_l, dflux_s, &
       tsurf_new, alb_new, alblw, z0_new, pctsrf_new, agesno, fqcalving, &
       ffonte, run_off_lic_0, flux_o, flux_g)

    ! Cette routine sert d'aiguillage entre l'atmosphère et la surface
    ! en général (sols continentaux, océans, glaces) pour les flux de
    ! chaleur et d'humidité.

    ! Laurent Fairhead, February 2000

    USE abort_gcm_m, ONLY: abort_gcm
    USE albsno_m, ONLY: albsno
    use calbeta_m, only: calbeta
    USE calcul_fluxs_m, ONLY: calcul_fluxs
    use clesphys2, only: soil_model
    USE dimphy, ONLY: klon
    USE fonte_neige_m, ONLY: fonte_neige
    USE indicesol, ONLY: epsfra, is_lic, is_oce, is_sic, is_ter, nbsrf
    USE interface_surf, ONLY: run_off, run_off_lic, conf_interface
    USE interfoce_lim_m, ONLY: interfoce_lim
    USE interfsur_lim_m, ONLY: interfsur_lim
    use soil_m, only: soil
    USE suphec_m, ONLY: rcpd, rlstt, rlvtt, rtt

    integer, intent(IN):: itime ! numero du pas de temps
    real, intent(IN):: dtime ! pas de temps de la physique (en s)
    integer, intent(IN):: jour ! jour dans l'annee en cours
    real, intent(IN):: rmu0(klon) ! cosinus de l'angle solaire zenithal
    integer, intent(IN):: nisurf ! index de la surface a traiter
    integer, intent(IN):: knon ! nombre de points de la surface a traiter

    integer, intent(in):: knindex(:) ! (knon)
    ! index des points de la surface a traiter

    real, intent(IN):: pctsrf(klon, nbsrf)
    ! tableau des pourcentages de surface de chaque maille

    real, intent(IN):: rlat(klon) ! latitudes

    logical, intent(IN):: debut ! 1er appel a la physique
    ! (si false calcul simplifie des fluxs sur les continents)

    integer, intent(in):: nsoilmx
    REAL tsoil(klon, nsoilmx)

    REAL, intent(INOUT):: qsol(klon)
    ! column-density of water in soil, in kg m-2

    real, dimension(klon), intent(IN):: u1_lay, v1_lay
    ! u1_lay vitesse u 1ere couche
    ! v1_lay vitesse v 1ere couche
    real, dimension(klon), intent(IN):: temp_air, spechum
    ! temp_air temperature de l'air 1ere couche
    ! spechum humidite specifique 1ere couche
    real, dimension(klon), intent(INOUT):: tq_cdrag
    ! tq_cdrag cdrag
    real, dimension(klon), intent(IN):: petAcoef, peqAcoef
    ! petAcoef coeff. A de la resolution de la CL pour t
    ! peqAcoef coeff. A de la resolution de la CL pour q
    real, dimension(klon), intent(IN):: petBcoef, peqBcoef
    ! petBcoef coeff. B de la resolution de la CL pour t
    ! peqBcoef coeff. B de la resolution de la CL pour q

    real, intent(IN):: precip_rain(klon)
    ! precipitation, liquid water mass flux (kg/m2/s), positive down

    real, intent(IN):: precip_snow(klon)
    ! precipitation, solid water mass flux (kg/m2/s), positive down

    REAL, DIMENSION(klon), INTENT(INOUT):: fder
    ! fder derivee des flux (pour le couplage)
    real, dimension(klon), intent(IN):: rugos, rugoro
    ! rugos rugosite
    ! rugoro rugosite orographique
    real, intent(INOUT):: snow(klon), qsurf(klon)
    real, intent(IN):: tsurf(:) ! (knon) température de surface
    real, dimension(klon), intent(IN):: p1lay
    ! p1lay pression 1er niveau (milieu de couche)
    real, dimension(klon), intent(IN):: ps
    ! ps pression au sol
    REAL, DIMENSION(klon), INTENT(INOUT):: radsol
    ! radsol rayonnement net aus sol (LW + SW)
    real, intent(INOUT):: evap(klon) ! evaporation totale
    real, dimension(klon), intent(OUT):: fluxsens, fluxlat
    ! fluxsens flux de chaleur sensible
    ! fluxlat flux de chaleur latente
    real, dimension(klon), intent(OUT):: dflux_l, dflux_s
    real, intent(OUT):: tsurf_new(knon) ! température au sol
    real, intent(OUT):: alb_new(klon) ! albedo
    real, dimension(klon), intent(OUT):: alblw
    real, dimension(klon), intent(OUT):: z0_new
    ! z0_new surface roughness
    real, dimension(klon, nbsrf), intent(OUT):: pctsrf_new
    ! pctsrf_new nouvelle repartition des surfaces
    real, dimension(klon), intent(INOUT):: agesno

    ! Flux d'eau "perdue" par la surface et nécessaire pour que limiter la
    ! hauteur de neige, en kg/m2/s
    !jld a rajouter real, dimension(klon), intent(INOUT):: fqcalving
    real, dimension(klon), intent(INOUT):: fqcalving

    ! Flux thermique utiliser pour fondre la neige
    !jld a rajouter real, dimension(klon), intent(INOUT):: ffonte
    real, dimension(klon), intent(INOUT):: ffonte

    real, dimension(klon), intent(INOUT):: run_off_lic_0
    ! run_off_lic_0 runoff glacier du pas de temps precedent

    !IM: "slab" ocean
    real, dimension(klon), intent(OUT):: flux_o, flux_g

    ! Local:

    REAL, dimension(klon):: soilcap
    REAL, dimension(klon):: soilflux

    !IM: "slab" ocean
    real, parameter:: t_grnd=271.35
    real, dimension(klon):: zx_sl
    integer i

    character (len = 20), save:: modname = 'interfsurf_hq'
    character (len = 80):: abort_message
    logical, save:: first_call = .true.
    integer:: ii
    real, dimension(klon):: cal, beta, dif_grnd, capsol
    real, parameter:: calice=1.0/(5.1444e6 * 0.15), tau_gl=86400.*5.
    real, parameter:: calsno=1./(2.3867e6 * 0.15)
    real tsurf_temp(knon)
    real, dimension(klon):: alb_neig, alb_eau
    real, DIMENSION(klon):: zfra
    INTEGER, dimension(1):: iloc
    real, dimension(klon):: fder_prev

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

    ! On doit commencer par appeler les schemas de surfaces continentales
    ! car l'ocean a besoin du ruissellement qui est y calcule

    if (first_call) then
       call conf_interface
       if (nisurf /= is_ter .and. klon > 1) then
          print *, ' Warning:'
          print *, ' nisurf = ', nisurf, ' /= is_ter = ', is_ter
          print *, 'or on doit commencer par les surfaces continentales'
          abort_message='voir ci-dessus'
          call abort_gcm(modname, abort_message, 1)
       endif
       if (is_oce > is_sic) then
          print *, 'Warning:'
          print *, ' Pour des raisons de sequencement dans le code'
          print *, ' l''ocean doit etre traite avant la banquise'
          print *, ' or is_oce = ', is_oce, '> is_sic = ', is_sic
          abort_message='voir ci-dessus'
          call abort_gcm(modname, abort_message, 1)
       endif
    endif
    first_call = .false.

    ! Initialisations diverses

    ffonte(1:knon)=0.
    fqcalving(1:knon)=0.
    cal = 999999.
    beta = 999999.
    dif_grnd = 999999.
    capsol = 999999.
    alb_new = 999999.
    z0_new = 999999.
    alb_neig = 999999.
    tsurf_new = 999999.
    alblw = 999999.

    !IM: "slab" ocean; initialisations
    flux_o = 0.
    flux_g = 0.

    ! Aiguillage vers les differents schemas de surface

    select case (nisurf)
    case (is_ter)
       ! Surface "terre" appel a l'interface avec les sols continentaux

       ! allocation du run-off
       if (.not. allocated(run_off)) then
          allocate(run_off(knon))
          run_off = 0.
       else if (size(run_off) /= knon) then
          print *, 'Bizarre, le nombre de points continentaux'
          print *, 'a change entre deux appels. J''arrete '
          abort_message='voir ci-dessus'
          call abort_gcm(modname, abort_message, 1)
       endif

       ! Calcul age de la neige

       ! calcul albedo: lecture albedo fichier boundary conditions
       ! puis ajout albedo neige
       call interfsur_lim(itime, dtime, jour, nisurf, knindex, debut, &
            alb_new, z0_new)

       ! calcul snow et qsurf, hydrol adapté
       CALL calbeta(nisurf, snow(:knon), qsol(:knon), beta(:knon), &
            capsol(:knon), dif_grnd(:knon))

       IF (soil_model) THEN
          CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux)
          cal(1:knon) = RCPD / soilcap(1:knon)
          radsol(1:knon) = radsol(1:knon) + soilflux(:knon)
       ELSE
          cal = RCPD * capsol
       ENDIF
       CALL calcul_fluxs(nisurf, dtime, tsurf, p1lay(:knon), cal(:knon), &
            beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
            radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
            u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
            petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap(:knon), &
            fluxlat(:knon), fluxsens(:knon), dflux_s(:knon), dflux_l(:knon))

       CALL fonte_neige(nisurf, dtime, tsurf, p1lay(:knon), beta(:knon), &
            tq_cdrag(:knon), ps(:knon), precip_rain(:knon), &
            precip_snow(:knon), snow(:knon), qsol(:knon), temp_air(:knon), &
            spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
            peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), tsurf_new, &
            evap(:knon), fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))

       call albsno(klon, knon, dtime, agesno, alb_neig, precip_snow)
       where (snow(1 : knon) < 0.0001) agesno(1 : knon) = 0.
       zfra(1:knon) = max(0.0, min(1.0, snow(1:knon)/(snow(1:knon) + 10.0)))
       alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + &
            alb_new(1 : knon)*(1.0-zfra(1:knon))
       z0_new = sqrt(z0_new**2 + rugoro**2)
       alblw(1 : knon) = alb_new(1 : knon)

       ! Remplissage des pourcentages de surface
       pctsrf_new(:, nisurf) = pctsrf(:, nisurf)
    case (is_oce)
       ! Surface "ocean" appel à l'interface avec l'océan
       ! lecture conditions limites
       call interfoce_lim(itime, dtime, jour, knindex, debut, tsurf_temp, &
            pctsrf_new)

       cal = 0.
       beta = 1.
       dif_grnd = 0.
       alb_neig = 0.
       agesno = 0.
       call calcul_fluxs(nisurf, dtime, tsurf_temp, p1lay(:knon), &
            cal(:knon), beta(:knon), tq_cdrag(:knon), ps(:knon), &
            qsurf(:knon), radsol(:knon), dif_grnd(:knon), temp_air(:knon), &
            spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
            peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), &
            tsurf_new, evap(:knon), fluxlat(:knon), fluxsens(:knon), &
            dflux_s(:knon), dflux_l(:knon))
       fder_prev = fder
       fder = fder_prev + dflux_s + dflux_l
       iloc = maxloc(fder(1:klon))

       !IM: flux ocean-atmosphere utile pour le "slab" ocean
       DO i=1, knon
          zx_sl(i) = RLVTT
          if (tsurf_new(i) < RTT) zx_sl(i) = RLSTT
          flux_o(i) = fluxsens(i)-evap(i)*zx_sl(i)
       ENDDO

       ! calcul albedo
       if (minval(rmu0) == maxval(rmu0) .and. minval(rmu0) == -999.999) then
          CALL alboc(FLOAT(jour), rlat, alb_eau)
       else ! cycle diurne
          CALL alboc_cd(rmu0, alb_eau)
       endif
       DO ii =1, knon
          alb_new(ii) = alb_eau(knindex(ii))
       enddo

       z0_new = sqrt(rugos**2 + rugoro**2)
       alblw(1:knon) = alb_new(1:knon)
    case (is_sic)
       ! Surface "glace de mer" appel a l'interface avec l'ocean

       ! ! lecture conditions limites
       CALL interfoce_lim(itime, dtime, jour, knindex, debut, tsurf_new, &
            pctsrf_new)

       DO ii = 1, knon
          tsurf_new(ii) = tsurf(ii)
          IF (pctsrf_new(knindex(ii), nisurf) < EPSFRA) then
             snow(ii) = 0.0
             tsurf_new(ii) = RTT - 1.8
             IF (soil_model) tsoil(ii, :) = RTT -1.8
          endif
       enddo

       CALL calbeta(nisurf, snow(:knon), qsol(:knon), beta(:knon), &
            capsol(:knon), dif_grnd(:knon))

       IF (soil_model) THEN
          CALL soil(dtime, nisurf, knon, snow, tsurf_new, tsoil, soilcap, &
               soilflux)
          cal(1:knon) = RCPD / soilcap(1:knon)
          radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
          dif_grnd = 0.
       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

       CALL calcul_fluxs(nisurf, dtime, tsurf_temp, p1lay(:knon), cal(:knon), &
            beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
            radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
            u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
            petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap(:knon), &
            fluxlat(:knon), fluxsens(:knon), dflux_s(:knon), dflux_l(:knon))

       !IM: flux entre l'ocean et la glace de mer pour le "slab" ocean
       DO i = 1, knon
          flux_g(i) = 0.0
          IF (cal(i) > 1e-15) flux_g(i) = (tsurf_new(i) - t_grnd) &
               * dif_grnd(i) * RCPD / cal(i)
       ENDDO

       CALL fonte_neige(nisurf, dtime, tsurf_temp, p1lay(:knon), beta(:knon), &
            tq_cdrag(:knon), ps(:knon), precip_rain(:knon), &
            precip_snow(:knon), snow(:knon), qsol(:knon), temp_air(:knon), &
            spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
            peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), tsurf_new, &
            evap(:knon), fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))

       ! calcul albedo

       CALL albsno(klon, knon, dtime, agesno, alb_neig, precip_snow)
       WHERE (snow(1 : knon) < 0.0001) agesno(1 : knon) = 0.
       zfra(1:knon) = MAX(0.0, MIN(1.0, snow(1:knon)/(snow(1:knon) + 10.0)))
       alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + &
            0.6 * (1.0-zfra(1:knon))

       fder_prev = fder
       fder = fder_prev + dflux_s + dflux_l

       iloc = maxloc(fder(1:klon))

       ! 2eme appel a interfoce pour le cumul et le passage des flux a l'ocean

       z0_new = 0.002
       z0_new = SQRT(z0_new**2 + rugoro**2)
       alblw(1:knon) = alb_new(1:knon)

    case (is_lic)
       if (.not. allocated(run_off_lic)) then
          allocate(run_off_lic(knon))
          run_off_lic = 0.
       endif

       ! Surface "glacier continentaux" appel a l'interface avec le sol

       IF (soil_model) THEN
          CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux)
          cal(1:knon) = RCPD / soilcap(1:knon)
          radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
       ELSE
          cal = RCPD * calice
          WHERE (snow > 0.0) cal = RCPD * calsno
       ENDIF
       beta = 1.0
       dif_grnd = 0.0

       call calcul_fluxs(nisurf, dtime, tsurf, p1lay(:knon), cal(:knon), &
            beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
            radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
            u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
            petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap(:knon), &
            fluxlat(:knon), fluxsens(:knon), dflux_s(:knon), dflux_l(:knon))

       call fonte_neige(nisurf, dtime, tsurf, p1lay(:knon), beta(:knon), &
            tq_cdrag(:knon), ps(:knon), precip_rain(:knon), &
            precip_snow(:knon), snow(:knon), qsol(:knon), temp_air(:knon), &
            spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
            peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), tsurf_new, &
            evap(:knon), fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))

       ! calcul albedo
       CALL albsno(klon, knon, dtime, agesno, alb_neig, precip_snow)
       WHERE (snow(1 : knon) < 0.0001) agesno(1 : knon) = 0.
       zfra(1:knon) = MAX(0.0, MIN(1.0, snow(1:knon)/(snow(1:knon) + 10.0)))
       alb_new(1 : knon) = alb_neig(1 : knon)*zfra(1:knon) + &
            0.6 * (1.0-zfra(1:knon))

       !IM: plusieurs choix/tests sur l'albedo des "glaciers continentaux"
       !IM: KstaTER0.77 & LMD_ARMIP6
       alb_new(1 : knon) = 0.77

       ! Rugosite
       z0_new = rugoro

       ! Remplissage des pourcentages de surface
       pctsrf_new(:, nisurf) = pctsrf(:, nisurf)

       alblw(1:knon) = alb_new(1:knon)
    case default
       print *, 'Index surface = ', nisurf
       abort_message = 'Index surface non valable'
       call abort_gcm(modname, abort_message, 1)
    end select

  END SUBROUTINE interfsurf_hq

end module interfsurf_hq_m
1	guez	54	module interfsurf_hq_m
2
3			implicit none
4
5			contains
6
7	guez	104	SUBROUTINE interfsurf_hq(itime, dtime, jour, rmu0, nisurf, knon, knindex, &
8			pctsrf, rlat, debut, nsoilmx, tsoil, qsol, u1_lay, v1_lay, temp_air, &
9			spechum, tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, &
10			precip_rain, precip_snow, fder, rugos, rugoro, snow, qsurf, tsurf, &
11			p1lay, ps, radsol, evap, fluxsens, fluxlat, dflux_l, dflux_s, &
12			tsurf_new, alb_new, alblw, z0_new, pctsrf_new, agesno, fqcalving, &
13			ffonte, run_off_lic_0, flux_o, flux_g)
14	guez	54
15			! Cette routine sert d'aiguillage entre l'atmosphère et la surface
16			! en général (sols continentaux, océans, glaces) pour les flux de
17	guez	98	! chaleur et d'humidité.
18	guez	54
19	guez	104	! Laurent Fairhead, February 2000
20	guez	54
21	guez	72	USE abort_gcm_m, ONLY: abort_gcm
22			USE albsno_m, ONLY: albsno
23	guez	101	use calbeta_m, only: calbeta
24	guez	72	USE calcul_fluxs_m, ONLY: calcul_fluxs
25	guez	101	use clesphys2, only: soil_model
26	guez	98	USE dimphy, ONLY: klon
27	guez	72	USE fonte_neige_m, ONLY: fonte_neige
28			USE indicesol, ONLY: epsfra, is_lic, is_oce, is_sic, is_ter, nbsrf
29	guez	101	USE interface_surf, ONLY: run_off, run_off_lic, conf_interface
30	guez	72	USE interfoce_lim_m, ONLY: interfoce_lim
31			USE interfsur_lim_m, ONLY: interfsur_lim
32	guez	101	use soil_m, only: soil
33	guez	72	USE suphec_m, ONLY: rcpd, rlstt, rlvtt, rtt
34	guez	54
35	guez	99	integer, intent(IN):: itime ! numero du pas de temps
36			real, intent(IN):: dtime ! pas de temps de la physique (en s)
37			integer, intent(IN):: jour ! jour dans l'annee en cours
38			real, intent(IN):: rmu0(klon) ! cosinus de l'angle solaire zenithal
39	guez	101	integer, intent(IN):: nisurf ! index de la surface a traiter
40			integer, intent(IN):: knon ! nombre de points de la surface a traiter
41
42	guez	106	integer, intent(in):: knindex(:) ! (knon)
43	guez	101	! index des points de la surface a traiter
44
45	guez	99	real, intent(IN):: pctsrf(klon, nbsrf)
46	guez	101	! tableau des pourcentages de surface de chaque maille
47
48			real, intent(IN):: rlat(klon) ! latitudes
49
50			logical, intent(IN):: debut ! 1er appel a la physique
51	guez	54	! (si false calcul simplifie des fluxs sur les continents)
52	guez	101
53			integer, intent(in):: nsoilmx
54			REAL tsoil(klon, nsoilmx)
55
56			REAL, intent(INOUT):: qsol(klon)
57			! column-density of water in soil, in kg m-2
58
59	guez	99	real, dimension(klon), intent(IN):: u1_lay, v1_lay
60	guez	54	! u1_lay vitesse u 1ere couche
61			! v1_lay vitesse v 1ere couche
62	guez	99	real, dimension(klon), intent(IN):: temp_air, spechum
63	guez	54	! temp_air temperature de l'air 1ere couche
64			! spechum humidite specifique 1ere couche
65	guez	99	real, dimension(klon), intent(INOUT):: tq_cdrag
66	guez	54	! tq_cdrag cdrag
67	guez	99	real, dimension(klon), intent(IN):: petAcoef, peqAcoef
68	guez	54	! petAcoef coeff. A de la resolution de la CL pour t
69			! peqAcoef coeff. A de la resolution de la CL pour q
70	guez	99	real, dimension(klon), intent(IN):: petBcoef, peqBcoef
71	guez	54	! petBcoef coeff. B de la resolution de la CL pour t
72			! peqBcoef coeff. B de la resolution de la CL pour q
73	guez	101
74			real, intent(IN):: precip_rain(klon)
75			! precipitation, liquid water mass flux (kg/m2/s), positive down
76
77			real, intent(IN):: precip_snow(klon)
78			! precipitation, solid water mass flux (kg/m2/s), positive down
79
80	guez	99	REAL, DIMENSION(klon), INTENT(INOUT):: fder
81			! fder derivee des flux (pour le couplage)
82			real, dimension(klon), intent(IN):: rugos, rugoro
83			! rugos rugosite
84			! rugoro rugosite orographique
85	guez	101	real, intent(INOUT):: snow(klon), qsurf(klon)
86	guez	104	real, intent(IN):: tsurf(:) ! (knon) température de surface
87			real, dimension(klon), intent(IN):: p1lay
88	guez	54	! p1lay pression 1er niveau (milieu de couche)
89	guez	99	real, dimension(klon), intent(IN):: ps
90	guez	54	! ps pression au sol
91	guez	99	REAL, DIMENSION(klon), INTENT(INOUT):: radsol
92	guez	54	! radsol rayonnement net aus sol (LW + SW)
93	guez	106	real, intent(INOUT):: evap(klon) ! evaporation totale
94	guez	99	real, dimension(klon), intent(OUT):: fluxsens, fluxlat
95	guez	54	! fluxsens flux de chaleur sensible
96			! fluxlat flux de chaleur latente
97	guez	99	real, dimension(klon), intent(OUT):: dflux_l, dflux_s
98	guez	104	real, intent(OUT):: tsurf_new(knon) ! température au sol
99			real, intent(OUT):: alb_new(klon) ! albedo
100	guez	54	real, dimension(klon), intent(OUT):: alblw
101	guez	72	real, dimension(klon), intent(OUT):: z0_new
102	guez	99	! z0_new surface roughness
103	guez	72	real, dimension(klon, nbsrf), intent(OUT):: pctsrf_new
104	guez	99	! pctsrf_new nouvelle repartition des surfaces
105	guez	54	real, dimension(klon), intent(INOUT):: agesno
106
107			! Flux d'eau "perdue" par la surface et nécessaire pour que limiter la
108			! hauteur de neige, en kg/m2/s
109			!jld a rajouter real, dimension(klon), intent(INOUT):: fqcalving
110			real, dimension(klon), intent(INOUT):: fqcalving
111	guez	99
112			! Flux thermique utiliser pour fondre la neige
113			!jld a rajouter real, dimension(klon), intent(INOUT):: ffonte
114			real, dimension(klon), intent(INOUT):: ffonte
115
116			real, dimension(klon), intent(INOUT):: run_off_lic_0
117			! run_off_lic_0 runoff glacier du pas de temps precedent
118
119			!IM: "slab" ocean
120			real, dimension(klon), intent(OUT):: flux_o, flux_g
121
122			! Local:
123
124			REAL, dimension(klon):: soilcap
125			REAL, dimension(klon):: soilflux
126
127			!IM: "slab" ocean
128	guez	72	real, parameter:: t_grnd=271.35
129			real, dimension(klon):: zx_sl
130	guez	54	integer i
131
132	guez	72	character (len = 20), save:: modname = 'interfsurf_hq'
133			character (len = 80):: abort_message
134			logical, save:: first_call = .true.
135			integer:: ii
136	guez	54	real, dimension(klon):: cal, beta, dif_grnd, capsol
137	guez	101	real, parameter:: calice=1.0/(5.1444e6 * 0.15), tau_gl=86400.*5.
138			real, parameter:: calsno=1./(2.3867e6 * 0.15)
139	guez	104	real tsurf_temp(knon)
140	guez	54	real, dimension(klon):: alb_neig, alb_eau
141			real, DIMENSION(klon):: zfra
142	guez	72	INTEGER, dimension(1):: iloc
143	guez	54	real, dimension(klon):: fder_prev
144
145			!-------------------------------------------------------------
146
147			! On doit commencer par appeler les schemas de surfaces continentales
148			! car l'ocean a besoin du ruissellement qui est y calcule
149
150			if (first_call) then
151	guez	72	call conf_interface
152	guez	54	if (nisurf /= is_ter .and. klon > 1) then
153	guez	101	print *, ' Warning:'
154			print *, ' nisurf = ', nisurf, ' /= is_ter = ', is_ter
155			print *, 'or on doit commencer par les surfaces continentales'
156	guez	54	abort_message='voir ci-dessus'
157			call abort_gcm(modname, abort_message, 1)
158			endif
159	guez	101	if (is_oce > is_sic) then
160			print *, 'Warning:'
161			print *, ' Pour des raisons de sequencement dans le code'
162			print *, ' l''ocean doit etre traite avant la banquise'
163			print *, ' or is_oce = ', is_oce, '> is_sic = ', is_sic
164	guez	54	abort_message='voir ci-dessus'
165			call abort_gcm(modname, abort_message, 1)
166			endif
167			endif
168			first_call = .false.
169
170			! Initialisations diverses
171
172			ffonte(1:knon)=0.
173			fqcalving(1:knon)=0.
174			cal = 999999.
175			beta = 999999.
176			dif_grnd = 999999.
177			capsol = 999999.
178			alb_new = 999999.
179			z0_new = 999999.
180			alb_neig = 999999.
181			tsurf_new = 999999.
182			alblw = 999999.
183
184			!IM: "slab" ocean; initialisations
185			flux_o = 0.
186			flux_g = 0.
187
188			! Aiguillage vers les differents schemas de surface
189
190	guez	104	select case (nisurf)
191			case (is_ter)
192	guez	54	! Surface "terre" appel a l'interface avec les sols continentaux
193
194			! allocation du run-off
195	guez	101	if (.not. allocated(run_off)) then
196			allocate(run_off(knon))
197			run_off = 0.
198			else if (size(run_off) /= knon) then
199			print *, 'Bizarre, le nombre de points continentaux'
200			print *, 'a change entre deux appels. J''arrete '
201	guez	54	abort_message='voir ci-dessus'
202			call abort_gcm(modname, abort_message, 1)
203			endif
204
205			! Calcul age de la neige
206
207	guez	99	! calcul albedo: lecture albedo fichier boundary conditions
208			! puis ajout albedo neige
209	guez	106	call interfsur_lim(itime, dtime, jour, nisurf, knindex, debut, &
210			alb_new, z0_new)
211	guez	54
212	guez	99	! calcul snow et qsurf, hydrol adapté
213	guez	101	CALL calbeta(nisurf, snow(:knon), qsol(:knon), beta(:knon), &
214			capsol(:knon), dif_grnd(:knon))
215	guez	54
216	guez	99	IF (soil_model) THEN
217	guez	101	CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux)
218	guez	99	cal(1:knon) = RCPD / soilcap(1:knon)
219	guez	104	radsol(1:knon) = radsol(1:knon) + soilflux(:knon)
220	guez	99	ELSE
221			cal = RCPD * capsol
222			ENDIF
223	guez	116	CALL calcul_fluxs(nisurf, dtime, tsurf, p1lay(:knon), cal(:knon), &
224			beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
225			radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
226			u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
227			petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap(:knon), &
228			fluxlat(:knon), fluxsens(:knon), dflux_s(:knon), dflux_l(:knon))
229	guez	54
230	guez	104	CALL fonte_neige(nisurf, dtime, tsurf, p1lay(:knon), beta(:knon), &
231	guez	116	tq_cdrag(:knon), ps(:knon), precip_rain(:knon), &
232			precip_snow(:knon), snow(:knon), qsol(:knon), temp_air(:knon), &
233			spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
234			peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), tsurf_new, &
235			evap(:knon), fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
236	guez	54
237	guez	99	call albsno(klon, knon, dtime, agesno, alb_neig, precip_snow)
238	guez	104	where (snow(1 : knon) < 0.0001) agesno(1 : knon) = 0.
239	guez	101	zfra(1:knon) = max(0.0, min(1.0, snow(1:knon)/(snow(1:knon) + 10.0)))
240	guez	99	alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + &
241			alb_new(1 : knon)*(1.0-zfra(1:knon))
242	guez	101	z0_new = sqrt(z0_new2 + rugoro2)
243	guez	99	alblw(1 : knon) = alb_new(1 : knon)
244	guez	54
245			! Remplissage des pourcentages de surface
246			pctsrf_new(:, nisurf) = pctsrf(:, nisurf)
247	guez	104	case (is_oce)
248			! Surface "ocean" appel à l'interface avec l'océan
249	guez	99	! lecture conditions limites
250	guez	106	call interfoce_lim(itime, dtime, jour, knindex, debut, tsurf_temp, &
251			pctsrf_new)
252	guez	54
253			cal = 0.
254			beta = 1.
255			dif_grnd = 0.
256			alb_neig = 0.
257			agesno = 0.
258	guez	104	call calcul_fluxs(nisurf, dtime, tsurf_temp, p1lay(:knon), &
259			cal(:knon), beta(:knon), tq_cdrag(:knon), ps(:knon), &
260			qsurf(:knon), radsol(:knon), dif_grnd(:knon), temp_air(:knon), &
261			spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
262			peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), &
263			tsurf_new, evap(:knon), fluxlat(:knon), fluxsens(:knon), &
264			dflux_s(:knon), dflux_l(:knon))
265	guez	54	fder_prev = fder
266			fder = fder_prev + dflux_s + dflux_l
267			iloc = maxloc(fder(1:klon))
268
269			!IM: flux ocean-atmosphere utile pour le "slab" ocean
270			DO i=1, knon
271			zx_sl(i) = RLVTT
272	guez	104	if (tsurf_new(i) < RTT) zx_sl(i) = RLSTT
273	guez	54	flux_o(i) = fluxsens(i)-evap(i)*zx_sl(i)
274			ENDDO
275
276			! calcul albedo
277	guez	101	if (minval(rmu0) == maxval(rmu0) .and. minval(rmu0) == -999.999) then
278	guez	54	CALL alboc(FLOAT(jour), rlat, alb_eau)
279			else ! cycle diurne
280			CALL alboc_cd(rmu0, alb_eau)
281			endif
282			DO ii =1, knon
283			alb_new(ii) = alb_eau(knindex(ii))
284			enddo
285
286			z0_new = sqrt(rugos2 + rugoro2)
287			alblw(1:knon) = alb_new(1:knon)
288	guez	104	case (is_sic)
289	guez	54	! Surface "glace de mer" appel a l'interface avec l'ocean
290
291	guez	99	! ! lecture conditions limites
292	guez	106	CALL interfoce_lim(itime, dtime, jour, knindex, debut, tsurf_new, &
293			pctsrf_new)
294	guez	54
295	guez	99	DO ii = 1, knon
296			tsurf_new(ii) = tsurf(ii)
297			IF (pctsrf_new(knindex(ii), nisurf) < EPSFRA) then
298			snow(ii) = 0.0
299			tsurf_new(ii) = RTT - 1.8
300			IF (soil_model) tsoil(ii, :) = RTT -1.8
301			endif
302			enddo
303	guez	54
304	guez	101	CALL calbeta(nisurf, snow(:knon), qsol(:knon), beta(:knon), &
305			capsol(:knon), dif_grnd(:knon))
306	guez	54
307	guez	99	IF (soil_model) THEN
308			CALL soil(dtime, nisurf, knon, snow, tsurf_new, tsoil, soilcap, &
309			soilflux)
310			cal(1:knon) = RCPD / soilcap(1:knon)
311			radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
312			dif_grnd = 0.
313	guez	54	ELSE
314	guez	99	dif_grnd = 1.0 / tau_gl
315			cal = RCPD * calice
316			WHERE (snow > 0.0) cal = RCPD * calsno
317	guez	54	ENDIF
318	guez	99	tsurf_temp = tsurf_new
319			beta = 1.0
320	guez	54
321	guez	104	CALL calcul_fluxs(nisurf, dtime, tsurf_temp, p1lay(:knon), cal(:knon), &
322			beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
323	guez	116	radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
324			u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
325			petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap(:knon), &
326			fluxlat(:knon), fluxsens(:knon), dflux_s(:knon), dflux_l(:knon))
327	guez	54
328			!IM: flux entre l'ocean et la glace de mer pour le "slab" ocean
329			DO i = 1, knon
330			flux_g(i) = 0.0
331	guez	101	IF (cal(i) > 1e-15) flux_g(i) = (tsurf_new(i) - t_grnd) &
332			* dif_grnd(i) * RCPD / cal(i)
333	guez	54	ENDDO
334
335	guez	104	CALL fonte_neige(nisurf, dtime, tsurf_temp, p1lay(:knon), beta(:knon), &
336	guez	116	tq_cdrag(:knon), ps(:knon), precip_rain(:knon), &
337			precip_snow(:knon), snow(:knon), qsol(:knon), temp_air(:knon), &
338			spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
339			peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), tsurf_new, &
340			evap(:knon), fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
341	guez	54
342			! calcul albedo
343
344			CALL albsno(klon, knon, dtime, agesno, alb_neig, precip_snow)
345	guez	104	WHERE (snow(1 : knon) < 0.0001) agesno(1 : knon) = 0.
346	guez	101	zfra(1:knon) = MAX(0.0, MIN(1.0, snow(1:knon)/(snow(1:knon) + 10.0)))
347	guez	54	alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + &
348			0.6 * (1.0-zfra(1:knon))
349
350			fder_prev = fder
351			fder = fder_prev + dflux_s + dflux_l
352
353			iloc = maxloc(fder(1:klon))
354
355			! 2eme appel a interfoce pour le cumul et le passage des flux a l'ocean
356
357			z0_new = 0.002
358	guez	101	z0_new = SQRT(z0_new2 + rugoro2)
359	guez	54	alblw(1:knon) = alb_new(1:knon)
360
361	guez	104	case (is_lic)
362	guez	54	if (.not. allocated(run_off_lic)) then
363	guez	101	allocate(run_off_lic(knon))
364	guez	54	run_off_lic = 0.
365			endif
366
367			! Surface "glacier continentaux" appel a l'interface avec le sol
368
369			IF (soil_model) THEN
370			CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux)
371			cal(1:knon) = RCPD / soilcap(1:knon)
372			radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
373			ELSE
374			cal = RCPD * calice
375			WHERE (snow > 0.0) cal = RCPD * calsno
376			ENDIF
377			beta = 1.0
378			dif_grnd = 0.0
379
380	guez	116	call calcul_fluxs(nisurf, dtime, tsurf, p1lay(:knon), cal(:knon), &
381			beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
382			radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
383			u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
384			petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap(:knon), &
385			fluxlat(:knon), fluxsens(:knon), dflux_s(:knon), dflux_l(:knon))
386	guez	54
387	guez	104	call fonte_neige(nisurf, dtime, tsurf, p1lay(:knon), beta(:knon), &
388	guez	116	tq_cdrag(:knon), ps(:knon), precip_rain(:knon), &
389			precip_snow(:knon), snow(:knon), qsol(:knon), temp_air(:knon), &
390			spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
391			peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), tsurf_new, &
392			evap(:knon), fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
393	guez	54
394			! calcul albedo
395			CALL albsno(klon, knon, dtime, agesno, alb_neig, precip_snow)
396	guez	104	WHERE (snow(1 : knon) < 0.0001) agesno(1 : knon) = 0.
397	guez	101	zfra(1:knon) = MAX(0.0, MIN(1.0, snow(1:knon)/(snow(1:knon) + 10.0)))
398	guez	54	alb_new(1 : knon) = alb_neig(1 : knon)*zfra(1:knon) + &
399			0.6 * (1.0-zfra(1:knon))
400
401			!IM: plusieurs choix/tests sur l'albedo des "glaciers continentaux"
402			!IM: KstaTER0.77 & LMD_ARMIP6
403			alb_new(1 : knon) = 0.77
404
405			! Rugosite
406			z0_new = rugoro
407
408			! Remplissage des pourcentages de surface
409			pctsrf_new(:, nisurf) = pctsrf(:, nisurf)
410
411			alblw(1:knon) = alb_new(1:knon)
412	guez	104	case default
413	guez	101	print *, 'Index surface = ', nisurf
414	guez	54	abort_message = 'Index surface non valable'
415			call abort_gcm(modname, abort_message, 1)
416	guez	104	end select
417	guez	54
418			END SUBROUTINE interfsurf_hq
419
420			end module interfsurf_hq_m