phylmd/Interface_surf/interfsurf_hq.f

module interfsurf_hq_m

  implicit none

contains

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

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

    ! Laurent Fairhead, February 2000

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    ! Local:

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

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

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

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

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

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

    ! Initialisations diverses

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

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

    ! Aiguillage vers les differents schemas de surface

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

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

       ! Calcul age de la neige

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

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

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

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

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

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

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

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

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

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

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

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

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

       IF (soil_model) THEN
          CALL soil(dtime, nisurf, knon, snow, tsurf_new, tsoil, soilcap, &
               soilflux)
          cal(1:knon) = RCPD / soilcap(1:knon)
          radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
          dif_grnd = 0.
       ELSE
          dif_grnd = 1.0 / tau_gl
          cal = RCPD * calice
          WHERE (snow > 0.0) cal = RCPD * calsno
       ENDIF
       tsurf_temp = tsurf_new
       beta = 1.0

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

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

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

       ! calcul albedo

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

       fder_prev = fder
       fder = fder_prev + dflux_s + dflux_l

       iloc = maxloc(fder(1:klon))

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

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

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

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

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

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

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

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

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

       ! Rugosite
       z0_new = rugoro

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

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

  END SUBROUTINE interfsurf_hq

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