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