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, 02/2000

    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(klon)
    ! 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, dimension(klon), intent(IN):: tsurf, p1lay
    ! tsurf temperature de surface
    ! 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, dimension(klon), intent(INOUT):: evap
    ! evap 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, dimension(klon), intent(OUT):: tsurf_new, alb_new
    ! tsurf_new temperature au sol
    ! alb_new 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, dimension(klon):: tsurf_temp
    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

    if (nisurf == is_ter) then
       ! 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, knon, 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(1:knon)
       ELSE
          cal = RCPD * capsol
       ENDIF
       CALL calcul_fluxs(klon, knon, nisurf, dtime, tsurf, p1lay, cal, beta, &
            tq_cdrag, ps, precip_rain, precip_snow, snow, qsurf, radsol, &
            dif_grnd, temp_air, spechum, u1_lay, v1_lay, petAcoef, peqAcoef, &
            petBcoef, peqBcoef, tsurf_new, evap, fluxlat, fluxsens, dflux_s, &
            dflux_l)

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

       call albsno(klon, knon, dtime, agesno, alb_neig, precip_snow)
       where (snow(1 : knon) .LT. 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)
    else if (nisurf == is_oce) then
       ! Surface "ocean" appel a l'interface avec l'ocean
       ! lecture conditions limites
       call interfoce_lim(itime, dtime, jour, klon, nisurf, knon, knindex, &
            debut, tsurf_new, pctsrf_new)

       tsurf_temp = tsurf_new
       cal = 0.
       beta = 1.
       dif_grnd = 0.
       alb_neig = 0.
       agesno = 0.

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

       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) .LT. 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)
    else if (nisurf == is_sic) then
       ! Surface "glace de mer" appel a l'interface avec l'ocean

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

       !IM cf LF
       DO ii = 1, knon
          tsurf_new(ii) = tsurf(ii)
          !IMbad IF (pctsrf_new(ii, nisurf) < EPSFRA) then
          IF (pctsrf_new(knindex(ii), nisurf) < EPSFRA) then
             snow(ii) = 0.0
             !IM cf LF/JLD tsurf(ii) = RTT - 1.8
             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
       !IMbadtsurf_temp = tsurf
       tsurf_temp = tsurf_new
       beta = 1.0

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

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

       ! calcul albedo

       CALL albsno(klon, knon, dtime, agesno, alb_neig, precip_snow)
       WHERE (snow(1 : knon) .LT. 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)

    else if (nisurf == is_lic) then
       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(klon, knon, nisurf, dtime, tsurf, p1lay, cal, beta, &
            tq_cdrag, ps, precip_rain, precip_snow, snow, qsurf, radsol, &
            dif_grnd, temp_air, spechum, u1_lay, v1_lay, petAcoef, peqAcoef, &
            petBcoef, peqBcoef, tsurf_new, evap, fluxlat, fluxsens, dflux_s, &
            dflux_l)

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

       ! calcul albedo
       CALL albsno(klon, knon, dtime, agesno, alb_neig, precip_snow)
       WHERE (snow(1 : knon) .LT. 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)
    else
       print *, 'Index surface = ', nisurf
       abort_message = 'Index surface non valable'
       call abort_gcm(modname, abort_message, 1)
    endif

  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	101	SUBROUTINE interfsurf_hq(itime, dtime, jour, rmu0, nisurf, knon, &
8			knindex, pctsrf, rlat, debut, nsoilmx, tsoil, qsol, &
9	guez	99	u1_lay, v1_lay, temp_air, spechum, tq_cdrag, petAcoef, peqAcoef, &
10	guez	98	petBcoef, peqBcoef, precip_rain, precip_snow, fder, rugos, rugoro, &
11	guez	99	snow, qsurf, tsurf, p1lay, ps, radsol, evap, fluxsens, fluxlat, &
12	guez	98	dflux_l, dflux_s, tsurf_new, alb_new, alblw, z0_new, pctsrf_new, &
13	guez	101	agesno, fqcalving, 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	98	! Laurent Fairhead, 02/2000
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	99	integer, intent(in):: knindex(klon)
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	99	real, dimension(klon), intent(IN):: tsurf, p1lay
87	guez	54	! tsurf temperature de surface
88			! 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	99	real, dimension(klon), intent(INOUT):: evap
94	guez	54	! evap evaporation totale
95	guez	99	real, dimension(klon), intent(OUT):: fluxsens, fluxlat
96	guez	54	! fluxsens flux de chaleur sensible
97			! fluxlat flux de chaleur latente
98	guez	99	real, dimension(klon), intent(OUT):: dflux_l, dflux_s
99			real, dimension(klon), intent(OUT):: tsurf_new, alb_new
100	guez	54	! tsurf_new temperature au sol
101			! alb_new albedo
102			real, dimension(klon), intent(OUT):: alblw
103	guez	72	real, dimension(klon), intent(OUT):: z0_new
104	guez	99	! z0_new surface roughness
105	guez	72	real, dimension(klon, nbsrf), intent(OUT):: pctsrf_new
106	guez	99	! pctsrf_new nouvelle repartition des surfaces
107	guez	54	real, dimension(klon), intent(INOUT):: agesno
108
109			! Flux d'eau "perdue" par la surface et nécessaire pour que limiter la
110			! hauteur de neige, en kg/m2/s
111			!jld a rajouter real, dimension(klon), intent(INOUT):: fqcalving
112			real, dimension(klon), intent(INOUT):: fqcalving
113	guez	99
114			! Flux thermique utiliser pour fondre la neige
115			!jld a rajouter real, dimension(klon), intent(INOUT):: ffonte
116			real, dimension(klon), intent(INOUT):: ffonte
117
118			real, dimension(klon), intent(INOUT):: run_off_lic_0
119			! run_off_lic_0 runoff glacier du pas de temps precedent
120
121			!IM: "slab" ocean
122			real, dimension(klon), intent(OUT):: flux_o, flux_g
123
124			! Local:
125
126			REAL, dimension(klon):: soilcap
127			REAL, dimension(klon):: soilflux
128
129			!IM: "slab" ocean
130	guez	72	real, parameter:: t_grnd=271.35
131			real, dimension(klon):: zx_sl
132	guez	54	integer i
133
134	guez	72	character (len = 20), save:: modname = 'interfsurf_hq'
135			character (len = 80):: abort_message
136			logical, save:: first_call = .true.
137			integer:: ii
138	guez	54	real, dimension(klon):: cal, beta, dif_grnd, capsol
139	guez	101	real, parameter:: calice=1.0/(5.1444e6 * 0.15), tau_gl=86400.*5.
140			real, parameter:: calsno=1./(2.3867e6 * 0.15)
141	guez	54	real, dimension(klon):: tsurf_temp
142			real, dimension(klon):: alb_neig, alb_eau
143			real, DIMENSION(klon):: zfra
144	guez	72	INTEGER, dimension(1):: iloc
145	guez	54	real, dimension(klon):: fder_prev
146
147			!-------------------------------------------------------------
148
149			! On doit commencer par appeler les schemas de surfaces continentales
150			! car l'ocean a besoin du ruissellement qui est y calcule
151
152			if (first_call) then
153	guez	72	call conf_interface
154	guez	54	if (nisurf /= is_ter .and. klon > 1) then
155	guez	101	print *, ' Warning:'
156			print *, ' nisurf = ', nisurf, ' /= is_ter = ', is_ter
157			print *, 'or on doit commencer par les surfaces continentales'
158	guez	54	abort_message='voir ci-dessus'
159			call abort_gcm(modname, abort_message, 1)
160			endif
161	guez	101	if (is_oce > is_sic) then
162			print *, 'Warning:'
163			print *, ' Pour des raisons de sequencement dans le code'
164			print *, ' l''ocean doit etre traite avant la banquise'
165			print *, ' or is_oce = ', is_oce, '> is_sic = ', is_sic
166	guez	54	abort_message='voir ci-dessus'
167			call abort_gcm(modname, abort_message, 1)
168			endif
169			endif
170			first_call = .false.
171
172			! Initialisations diverses
173
174			ffonte(1:knon)=0.
175			fqcalving(1:knon)=0.
176
177			cal = 999999.
178			beta = 999999.
179			dif_grnd = 999999.
180			capsol = 999999.
181			alb_new = 999999.
182			z0_new = 999999.
183			alb_neig = 999999.
184			tsurf_new = 999999.
185			alblw = 999999.
186
187			!IM: "slab" ocean; initialisations
188			flux_o = 0.
189			flux_g = 0.
190
191			! Aiguillage vers les differents schemas de surface
192
193			if (nisurf == is_ter) then
194			! Surface "terre" appel a l'interface avec les sols continentaux
195
196			! allocation du run-off
197	guez	101	if (.not. allocated(run_off)) then
198			allocate(run_off(knon))
199			run_off = 0.
200			else if (size(run_off) /= knon) then
201			print *, 'Bizarre, le nombre de points continentaux'
202			print *, 'a change entre deux appels. J''arrete '
203	guez	54	abort_message='voir ci-dessus'
204			call abort_gcm(modname, abort_message, 1)
205			endif
206
207			! Calcul age de la neige
208
209	guez	99	! calcul albedo: lecture albedo fichier boundary conditions
210			! puis ajout albedo neige
211			call interfsur_lim(itime, dtime, jour, nisurf, knon, knindex, &
212			debut, alb_new, z0_new)
213	guez	54
214	guez	99	! calcul snow et qsurf, hydrol adapté
215	guez	101	CALL calbeta(nisurf, snow(:knon), qsol(:knon), beta(:knon), &
216			capsol(:knon), dif_grnd(:knon))
217	guez	54
218	guez	99	IF (soil_model) THEN
219	guez	101	CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux)
220	guez	99	cal(1:knon) = RCPD / soilcap(1:knon)
221			radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
222			ELSE
223			cal = RCPD * capsol
224			ENDIF
225	guez	101	CALL calcul_fluxs(klon, knon, nisurf, dtime, tsurf, p1lay, cal, beta, &
226			tq_cdrag, ps, precip_rain, precip_snow, snow, qsurf, radsol, &
227			dif_grnd, temp_air, spechum, u1_lay, v1_lay, petAcoef, peqAcoef, &
228			petBcoef, peqBcoef, tsurf_new, evap, fluxlat, fluxsens, dflux_s, &
229			dflux_l)
230	guez	54
231	guez	101	CALL fonte_neige(klon, knon, nisurf, dtime, tsurf, p1lay, beta, &
232			tq_cdrag, ps, precip_rain(:knon), precip_snow, snow, qsol(:knon), &
233			temp_air, spechum, u1_lay, v1_lay, petAcoef, peqAcoef, petBcoef, &
234			peqBcoef, tsurf_new, evap, fqcalving, ffonte, run_off_lic_0)
235	guez	54
236	guez	99	call albsno(klon, knon, dtime, agesno, alb_neig, precip_snow)
237			where (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0.
238	guez	101	zfra(1:knon) = max(0.0, min(1.0, snow(1:knon)/(snow(1:knon) + 10.0)))
239	guez	99	alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + &
240			alb_new(1 : knon)*(1.0-zfra(1:knon))
241	guez	101	z0_new = sqrt(z0_new2 + rugoro2)
242	guez	99	alblw(1 : knon) = alb_new(1 : knon)
243	guez	54
244			! Remplissage des pourcentages de surface
245			pctsrf_new(:, nisurf) = pctsrf(:, nisurf)
246			else if (nisurf == is_oce) then
247			! Surface "ocean" appel a l'interface avec l'ocean
248	guez	99	! lecture conditions limites
249			call interfoce_lim(itime, dtime, jour, klon, nisurf, knon, knindex, &
250			debut, tsurf_new, pctsrf_new)
251	guez	54
252			tsurf_temp = tsurf_new
253			cal = 0.
254			beta = 1.
255			dif_grnd = 0.
256			alb_neig = 0.
257			agesno = 0.
258
259	guez	101	call calcul_fluxs(klon, knon, nisurf, dtime, tsurf_temp, p1lay, cal, &
260			beta, tq_cdrag, ps, precip_rain, precip_snow, snow, qsurf, &
261			radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, petAcoef, &
262			peqAcoef, petBcoef, peqBcoef, tsurf_new, evap, fluxlat, fluxsens, &
263			dflux_s, dflux_l)
264	guez	54
265			fder_prev = fder
266			fder = fder_prev + dflux_s + dflux_l
267
268			iloc = maxloc(fder(1:klon))
269
270			!IM: flux ocean-atmosphere utile pour le "slab" ocean
271			DO i=1, knon
272			zx_sl(i) = RLVTT
273			if (tsurf_new(i) .LT. RTT) zx_sl(i) = RLSTT
274			flux_o(i) = fluxsens(i)-evap(i)*zx_sl(i)
275			ENDDO
276
277			! calcul albedo
278	guez	101	if (minval(rmu0) == maxval(rmu0) .and. minval(rmu0) == -999.999) then
279	guez	54	CALL alboc(FLOAT(jour), rlat, alb_eau)
280			else ! cycle diurne
281			CALL alboc_cd(rmu0, alb_eau)
282			endif
283			DO ii =1, knon
284			alb_new(ii) = alb_eau(knindex(ii))
285			enddo
286
287			z0_new = sqrt(rugos2 + rugoro2)
288			alblw(1:knon) = alb_new(1:knon)
289			else if (nisurf == is_sic) then
290			! Surface "glace de mer" appel a l'interface avec l'ocean
291
292	guez	99	! ! lecture conditions limites
293	guez	101	CALL interfoce_lim(itime, dtime, jour, klon, nisurf, knon, knindex, &
294			debut, tsurf_new, pctsrf_new)
295	guez	54
296	guez	99	!IM cf LF
297			DO ii = 1, knon
298			tsurf_new(ii) = tsurf(ii)
299			!IMbad IF (pctsrf_new(ii, nisurf) < EPSFRA) then
300			IF (pctsrf_new(knindex(ii), nisurf) < EPSFRA) then
301			snow(ii) = 0.0
302			!IM cf LF/JLD tsurf(ii) = RTT - 1.8
303			tsurf_new(ii) = RTT - 1.8
304			IF (soil_model) tsoil(ii, :) = RTT -1.8
305			endif
306			enddo
307	guez	54
308	guez	101	CALL calbeta(nisurf, snow(:knon), qsol(:knon), beta(:knon), &
309			capsol(:knon), dif_grnd(:knon))
310	guez	54
311	guez	99	IF (soil_model) THEN
312			CALL soil(dtime, nisurf, knon, snow, tsurf_new, tsoil, soilcap, &
313			soilflux)
314			cal(1:knon) = RCPD / soilcap(1:knon)
315			radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
316			dif_grnd = 0.
317	guez	54	ELSE
318	guez	99	dif_grnd = 1.0 / tau_gl
319			cal = RCPD * calice
320			WHERE (snow > 0.0) cal = RCPD * calsno
321	guez	54	ENDIF
322	guez	99	!IMbadtsurf_temp = tsurf
323			tsurf_temp = tsurf_new
324			beta = 1.0
325	guez	54
326	guez	101	CALL calcul_fluxs(klon, knon, nisurf, dtime, tsurf_temp, p1lay, cal, &
327			beta, tq_cdrag, ps, precip_rain, precip_snow, snow, qsurf, &
328			radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, petAcoef, &
329			peqAcoef, petBcoef, peqBcoef, tsurf_new, evap, fluxlat, fluxsens, &
330			dflux_s, dflux_l)
331	guez	54
332			!IM: flux entre l'ocean et la glace de mer pour le "slab" ocean
333			DO i = 1, knon
334			flux_g(i) = 0.0
335	guez	101	IF (cal(i) > 1e-15) flux_g(i) = (tsurf_new(i) - t_grnd) &
336			* dif_grnd(i) * RCPD / cal(i)
337	guez	54	ENDDO
338
339	guez	101	CALL fonte_neige(klon, knon, nisurf, dtime, tsurf_temp, p1lay, beta, &
340			tq_cdrag, ps, precip_rain(:knon), precip_snow, snow, qsol(:knon), &
341			temp_air, spechum, u1_lay, v1_lay, petAcoef, peqAcoef, petBcoef, &
342			peqBcoef, tsurf_new, evap, fqcalving, ffonte, run_off_lic_0)
343	guez	54
344			! calcul albedo
345
346			CALL albsno(klon, knon, dtime, agesno, alb_neig, precip_snow)
347			WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0.
348	guez	101	zfra(1:knon) = MAX(0.0, MIN(1.0, snow(1:knon)/(snow(1:knon) + 10.0)))
349	guez	54	alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + &
350			0.6 * (1.0-zfra(1:knon))
351
352			fder_prev = fder
353			fder = fder_prev + dflux_s + dflux_l
354
355			iloc = maxloc(fder(1:klon))
356
357			! 2eme appel a interfoce pour le cumul et le passage des flux a l'ocean
358
359			z0_new = 0.002
360	guez	101	z0_new = SQRT(z0_new2 + rugoro2)
361	guez	54	alblw(1:knon) = alb_new(1:knon)
362
363			else if (nisurf == is_lic) then
364			if (.not. allocated(run_off_lic)) then
365	guez	101	allocate(run_off_lic(knon))
366	guez	54	run_off_lic = 0.
367			endif
368
369			! Surface "glacier continentaux" appel a l'interface avec le sol
370
371			IF (soil_model) THEN
372			CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux)
373			cal(1:knon) = RCPD / soilcap(1:knon)
374			radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
375			ELSE
376			cal = RCPD * calice
377			WHERE (snow > 0.0) cal = RCPD * calsno
378			ENDIF
379			beta = 1.0
380			dif_grnd = 0.0
381
382	guez	101	call calcul_fluxs(klon, knon, nisurf, dtime, tsurf, p1lay, cal, beta, &
383			tq_cdrag, ps, precip_rain, precip_snow, snow, qsurf, radsol, &
384			dif_grnd, temp_air, spechum, u1_lay, v1_lay, petAcoef, peqAcoef, &
385			petBcoef, peqBcoef, tsurf_new, evap, fluxlat, fluxsens, dflux_s, &
386			dflux_l)
387	guez	54
388	guez	101	call fonte_neige(klon, knon, nisurf, dtime, tsurf, p1lay, beta, &
389			tq_cdrag, ps, precip_rain(:knon), precip_snow, snow, qsol(:knon), &
390			temp_air, spechum, u1_lay, v1_lay, petAcoef, peqAcoef, petBcoef, &
391			peqBcoef, tsurf_new, evap, fqcalving, ffonte, run_off_lic_0)
392	guez	54
393			! calcul albedo
394			CALL albsno(klon, knon, dtime, agesno, alb_neig, precip_snow)
395			WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0.
396	guez	101	zfra(1:knon) = MAX(0.0, MIN(1.0, snow(1:knon)/(snow(1:knon) + 10.0)))
397	guez	54	alb_new(1 : knon) = alb_neig(1 : knon)*zfra(1:knon) + &
398			0.6 * (1.0-zfra(1:knon))
399
400			!IM: plusieurs choix/tests sur l'albedo des "glaciers continentaux"
401			!IM: KstaTER0.77 & LMD_ARMIP6
402			alb_new(1 : knon) = 0.77
403
404			! Rugosite
405			z0_new = rugoro
406
407			! Remplissage des pourcentages de surface
408			pctsrf_new(:, nisurf) = pctsrf(:, nisurf)
409
410			alblw(1:knon) = alb_new(1:knon)
411			else
412	guez	101	print *, 'Index surface = ', nisurf
413	guez	54	abort_message = 'Index surface non valable'
414			call abort_gcm(modname, abort_message, 1)
415			endif
416
417			END SUBROUTINE interfsurf_hq
418
419			end module interfsurf_hq_m