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, albedo, z0_new, pctsrf_new, agesno, fqcalving, ffonte, &
       run_off_lic_0, flux_o, flux_g)

    ! Cette routine sert d'aiguillage entre l'atmosph\`ere et la surface
    ! en g\'en\'eral (sols continentaux, oc\'eans, glaces) pour les flux de
    ! chaleur et d'humidit\'e.

    ! Laurent Fairhead, February 2000

    USE abort_gcm_m, ONLY: abort_gcm
    use alboc_cd_m, only: alboc_cd
    use alboc_m, only: alboc
    USE albsno_m, ONLY: albsno
    use calbeta_m, only: calbeta
    USE calcul_fluxs_m, ONLY: calcul_fluxs
    use clesphys2, only: soil_model, cycle_diurne
    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, INTENT(INOUT):: fder(klon) ! derivee des flux (pour le couplage)
    real, intent(IN):: rugos(klon) ! rugosite
    real, intent(IN):: rugoro(klon) ! rugosite orographique
    real, intent(INOUT):: snow(klon), qsurf(klon)
    real, intent(IN):: tsurf(:) ! (knon) temp\'erature 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) ! temp\'erature au sol
    real, intent(OUT):: albedo(:) ! (knon) albedo
    real, intent(OUT):: z0_new(klon) ! 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 n\'ecessaire 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
    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 alb_neig(klon)
    real zfra(klon)

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

    ! 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)
       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)
       endif
    endif
    first_call = .false.

    ! Initialisations diverses

    ffonte(1:knon)=0.
    fqcalving(1:knon)=0.
    cal = 999999.
    beta = 999999.
    dif_grnd = 999999.
    capsol = 999999.
    z0_new = 999999.
    alb_neig = 999999.
    tsurf_new = 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
          call abort_gcm(modname, 'Something is wrong: the number of ' &
               // 'continental points has changed since last call.')
       endif

       ! Calcul age de la neige

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

       ! calcul snow et qsurf, hydrol adapt\'e
       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(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(:knon) = max(0.0, min(1.0, snow(1:knon)/(snow(1:knon) + 10.0)))
       albedo = alb_neig(:knon) * zfra(:knon) &
            + albedo * (1. - zfra(:knon))
       z0_new = sqrt(z0_new**2 + rugoro**2)

       ! Remplissage des pourcentages de surface
       pctsrf_new(:, nisurf) = pctsrf(:, nisurf)
    case (is_oce)
       ! Surface "ocean" appel \`a l'interface avec l'oc\'ean
       ! 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(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 = fder + dflux_s + dflux_l

       !IM: flux ocean-atmosphere utile pour le "slab" ocean
       flux_o(:knon) = fluxsens(:knon) - evap(:knon) &
            * merge(RLSTT, RLVTT, tsurf_new < RTT)

       ! calcul albedo
       if (cycle_diurne) then
          CALL alboc_cd(rmu0(knindex), albedo)
       else
          CALL alboc(jour, rlat(knindex), albedo)
       endif

       z0_new = sqrt(rugos**2 + rugoro**2)
    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(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(:knon) = MAX(0.0, MIN(1.0, snow(1:knon)/(snow(1:knon) + 10.0)))
       albedo = alb_neig(:knon) * zfra(:knon) + 0.6 * (1.0 - zfra(:knon))

       fder = fder + dflux_s + dflux_l

       ! 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)
    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(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(:knon) = MAX(0.0, MIN(1.0, snow(1:knon)/(snow(1:knon) + 10.0)))
       albedo = 0.77

       ! Rugosite
       z0_new = rugoro

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

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