phylmd/Interface_surf/interfsurf_hq.f

module interfsurf_hq_m

  implicit none

contains

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

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

    ! Laurent Fairhead, 02/2000

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    ! Local:

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

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

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

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

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

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

    ! Initialisations diverses

    ffonte(1:knon)=0.
    fqcalving(1:knon)=0.

    cal = 999999.
    beta = 999999.
    dif_grnd = 999999.
    capsol = 999999.
    alb_new = 999999.
    z0_new = 999999.
    alb_neig = 999999.
    tsurf_new = 999999.
    alblw = 999999.

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

    ! Aiguillage vers les differents schemas de surface

    if (nisurf == is_ter) then
       ! Surface "terre" appel a l'interface avec les sols continentaux

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

       ! Calcul age de la neige

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

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

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

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

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

       ! Remplissage des pourcentages de surface
       pctsrf_new(:, nisurf) = pctsrf(:, nisurf)
    else if (nisurf == is_oce) then
       ! Surface "ocean" appel a l'interface avec l'ocean
       ! lecture conditions limites
       call interfoce_lim(itime, dtime, jour, klon, nisurf, knon, knindex, &
            debut, tsurf_new, pctsrf_new)

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

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

       fder_prev = fder
       fder = fder_prev + dflux_s + dflux_l

       iloc = maxloc(fder(1:klon))

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

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

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

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

       !IM cf LF
       DO ii = 1, knon
          tsurf_new(ii) = tsurf(ii)
          !IMbad IF (pctsrf_new(ii, nisurf) < EPSFRA) then
          IF (pctsrf_new(knindex(ii), nisurf) < EPSFRA) then
             snow(ii) = 0.0
             !IM cf LF/JLD tsurf(ii) = RTT - 1.8
             tsurf_new(ii) = RTT - 1.8
             IF (soil_model) tsoil(ii, :) = RTT -1.8
          endif
       enddo

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

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

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

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

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

       ! calcul albedo

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

       fder_prev = fder
       fder = fder_prev + dflux_s + dflux_l

       iloc = maxloc(fder(1:klon))

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

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

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

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

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

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

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

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

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

       ! Rugosite
       z0_new = rugoro

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

       alblw(1:knon) = alb_new(1:knon)
    else
       print *, 'Index surface = ', nisurf
       abort_message = 'Index surface non valable'
       call abort_gcm(modname, abort_message, 1)
    endif

  END SUBROUTINE interfsurf_hq

end module interfsurf_hq_m
1	module interfsurf_hq_m
2
3	implicit none
4
5	contains
6
7	SUBROUTINE interfsurf_hq(itime, dtime, jour, rmu0, nisurf, knon, &
8	knindex, pctsrf, rlat, debut, nsoilmx, tsoil, qsol, &
9	u1_lay, v1_lay, temp_air, spechum, tq_cdrag, petAcoef, peqAcoef, &
10	petBcoef, peqBcoef, precip_rain, precip_snow, fder, rugos, rugoro, &
11	snow, qsurf, tsurf, p1lay, ps, radsol, evap, fluxsens, fluxlat, &
12	dflux_l, dflux_s, tsurf_new, alb_new, alblw, z0_new, pctsrf_new, &
13	agesno, fqcalving, 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, 02/2000
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(klon)
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, dimension(klon), intent(IN):: tsurf, p1lay
87	! tsurf temperature de surface
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, dimension(klon), intent(INOUT):: evap
94	! evap 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, dimension(klon), intent(OUT):: tsurf_new, alb_new
100	! tsurf_new temperature au sol
101	! alb_new albedo
102	real, dimension(klon), intent(OUT):: alblw
103	real, dimension(klon), intent(OUT):: z0_new
104	! z0_new surface roughness
105	real, dimension(klon, nbsrf), intent(OUT):: pctsrf_new
106	! pctsrf_new nouvelle repartition des surfaces
107	real, dimension(klon), intent(INOUT):: agesno
108
109	! Flux d'eau "perdue" par la surface et nécessaire pour que limiter la
110	! hauteur de neige, en kg/m2/s
111	!jld a rajouter real, dimension(klon), intent(INOUT):: fqcalving
112	real, dimension(klon), intent(INOUT):: fqcalving
113
114	! Flux thermique utiliser pour fondre la neige
115	!jld a rajouter real, dimension(klon), intent(INOUT):: ffonte
116	real, dimension(klon), intent(INOUT):: ffonte
117
118	real, dimension(klon), intent(INOUT):: run_off_lic_0
119	! run_off_lic_0 runoff glacier du pas de temps precedent
120
121	!IM: "slab" ocean
122	real, dimension(klon), intent(OUT):: flux_o, flux_g
123
124	! Local:
125
126	REAL, dimension(klon):: soilcap
127	REAL, dimension(klon):: soilflux
128
129	!IM: "slab" ocean
130	real, parameter:: t_grnd=271.35
131	real, dimension(klon):: zx_sl
132	integer i
133
134	character (len = 20), save:: modname = 'interfsurf_hq'
135	character (len = 80):: abort_message
136	logical, save:: first_call = .true.
137	integer:: ii
138	real, dimension(klon):: cal, beta, dif_grnd, capsol
139	real, parameter:: calice=1.0/(5.1444e6 * 0.15), tau_gl=86400.*5.
140	real, parameter:: calsno=1./(2.3867e6 * 0.15)
141	real, dimension(klon):: tsurf_temp
142	real, dimension(klon):: alb_neig, alb_eau
143	real, DIMENSION(klon):: zfra
144	INTEGER, dimension(1):: iloc
145	real, dimension(klon):: fder_prev
146
147	!-------------------------------------------------------------
148
149	! On doit commencer par appeler les schemas de surfaces continentales
150	! car l'ocean a besoin du ruissellement qui est y calcule
151
152	if (first_call) then
153	call conf_interface
154	if (nisurf /= is_ter .and. klon > 1) then
155	print *, ' Warning:'
156	print *, ' nisurf = ', nisurf, ' /= is_ter = ', is_ter
157	print *, 'or on doit commencer par les surfaces continentales'
158	abort_message='voir ci-dessus'
159	call abort_gcm(modname, abort_message, 1)
160	endif
161	if (is_oce > is_sic) then
162	print *, 'Warning:'
163	print *, ' Pour des raisons de sequencement dans le code'
164	print *, ' l''ocean doit etre traite avant la banquise'
165	print *, ' or is_oce = ', is_oce, '> is_sic = ', is_sic
166	abort_message='voir ci-dessus'
167	call abort_gcm(modname, abort_message, 1)
168	endif
169	endif
170	first_call = .false.
171
172	! Initialisations diverses
173
174	ffonte(1:knon)=0.
175	fqcalving(1:knon)=0.
176
177	cal = 999999.
178	beta = 999999.
179	dif_grnd = 999999.
180	capsol = 999999.
181	alb_new = 999999.
182	z0_new = 999999.
183	alb_neig = 999999.
184	tsurf_new = 999999.
185	alblw = 999999.
186
187	!IM: "slab" ocean; initialisations
188	flux_o = 0.
189	flux_g = 0.
190
191	! Aiguillage vers les differents schemas de surface
192
193	if (nisurf == is_ter) then
194	! Surface "terre" appel a l'interface avec les sols continentaux
195
196	! allocation du run-off
197	if (.not. allocated(run_off)) then
198	allocate(run_off(knon))
199	run_off = 0.
200	else if (size(run_off) /= knon) then
201	print *, 'Bizarre, le nombre de points continentaux'
202	print *, 'a change entre deux appels. J''arrete '
203	abort_message='voir ci-dessus'
204	call abort_gcm(modname, abort_message, 1)
205	endif
206
207	! Calcul age de la neige
208
209	! calcul albedo: lecture albedo fichier boundary conditions
210	! puis ajout albedo neige
211	call interfsur_lim(itime, dtime, jour, nisurf, knon, knindex, &
212	debut, alb_new, z0_new)
213
214	! calcul snow et qsurf, hydrol adapté
215	CALL calbeta(nisurf, snow(:knon), qsol(:knon), beta(:knon), &
216	capsol(:knon), dif_grnd(:knon))
217
218	IF (soil_model) THEN
219	CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux)
220	cal(1:knon) = RCPD / soilcap(1:knon)
221	radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
222	ELSE
223	cal = RCPD * capsol
224	ENDIF
225	CALL calcul_fluxs(klon, knon, nisurf, dtime, tsurf, p1lay, cal, beta, &
226	tq_cdrag, ps, precip_rain, precip_snow, snow, qsurf, radsol, &
227	dif_grnd, temp_air, spechum, u1_lay, v1_lay, petAcoef, peqAcoef, &
228	petBcoef, peqBcoef, tsurf_new, evap, fluxlat, fluxsens, dflux_s, &
229	dflux_l)
230
231	CALL fonte_neige(klon, knon, nisurf, dtime, tsurf, p1lay, beta, &
232	tq_cdrag, ps, precip_rain(:knon), precip_snow, snow, qsol(:knon), &
233	temp_air, spechum, u1_lay, v1_lay, petAcoef, peqAcoef, petBcoef, &
234	peqBcoef, tsurf_new, evap, fqcalving, ffonte, run_off_lic_0)
235
236	call albsno(klon, knon, dtime, agesno, alb_neig, precip_snow)
237	where (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0.
238	zfra(1:knon) = max(0.0, min(1.0, snow(1:knon)/(snow(1:knon) + 10.0)))
239	alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + &
240	alb_new(1 : knon)*(1.0-zfra(1:knon))
241	z0_new = sqrt(z0_new2 + rugoro2)
242	alblw(1 : knon) = alb_new(1 : knon)
243
244	! Remplissage des pourcentages de surface
245	pctsrf_new(:, nisurf) = pctsrf(:, nisurf)
246	else if (nisurf == is_oce) then
247	! Surface "ocean" appel a l'interface avec l'ocean
248	! lecture conditions limites
249	call interfoce_lim(itime, dtime, jour, klon, nisurf, knon, knindex, &
250	debut, tsurf_new, pctsrf_new)
251
252	tsurf_temp = tsurf_new
253	cal = 0.
254	beta = 1.
255	dif_grnd = 0.
256	alb_neig = 0.
257	agesno = 0.
258
259	call calcul_fluxs(klon, knon, nisurf, dtime, tsurf_temp, p1lay, cal, &
260	beta, tq_cdrag, ps, precip_rain, precip_snow, snow, qsurf, &
261	radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, petAcoef, &
262	peqAcoef, petBcoef, peqBcoef, tsurf_new, evap, fluxlat, fluxsens, &
263	dflux_s, dflux_l)
264
265	fder_prev = fder
266	fder = fder_prev + dflux_s + dflux_l
267
268	iloc = maxloc(fder(1:klon))
269
270	!IM: flux ocean-atmosphere utile pour le "slab" ocean
271	DO i=1, knon
272	zx_sl(i) = RLVTT
273	if (tsurf_new(i) .LT. RTT) zx_sl(i) = RLSTT
274	flux_o(i) = fluxsens(i)-evap(i)*zx_sl(i)
275	ENDDO
276
277	! calcul albedo
278	if (minval(rmu0) == maxval(rmu0) .and. minval(rmu0) == -999.999) then
279	CALL alboc(FLOAT(jour), rlat, alb_eau)
280	else ! cycle diurne
281	CALL alboc_cd(rmu0, alb_eau)
282	endif
283	DO ii =1, knon
284	alb_new(ii) = alb_eau(knindex(ii))
285	enddo
286
287	z0_new = sqrt(rugos2 + rugoro2)
288	alblw(1:knon) = alb_new(1:knon)
289	else if (nisurf == is_sic) then
290	! Surface "glace de mer" appel a l'interface avec l'ocean
291
292	! ! lecture conditions limites
293	CALL interfoce_lim(itime, dtime, jour, klon, nisurf, knon, knindex, &
294	debut, tsurf_new, pctsrf_new)
295
296	!IM cf LF
297	DO ii = 1, knon
298	tsurf_new(ii) = tsurf(ii)
299	!IMbad IF (pctsrf_new(ii, nisurf) < EPSFRA) then
300	IF (pctsrf_new(knindex(ii), nisurf) < EPSFRA) then
301	snow(ii) = 0.0
302	!IM cf LF/JLD tsurf(ii) = RTT - 1.8
303	tsurf_new(ii) = RTT - 1.8
304	IF (soil_model) tsoil(ii, :) = RTT -1.8
305	endif
306	enddo
307
308	CALL calbeta(nisurf, snow(:knon), qsol(:knon), beta(:knon), &
309	capsol(:knon), dif_grnd(:knon))
310
311	IF (soil_model) THEN
312	CALL soil(dtime, nisurf, knon, snow, tsurf_new, tsoil, soilcap, &
313	soilflux)
314	cal(1:knon) = RCPD / soilcap(1:knon)
315	radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
316	dif_grnd = 0.
317	ELSE
318	dif_grnd = 1.0 / tau_gl
319	cal = RCPD * calice
320	WHERE (snow > 0.0) cal = RCPD * calsno
321	ENDIF
322	!IMbadtsurf_temp = tsurf
323	tsurf_temp = tsurf_new
324	beta = 1.0
325
326	CALL calcul_fluxs(klon, knon, nisurf, dtime, tsurf_temp, p1lay, cal, &
327	beta, tq_cdrag, ps, precip_rain, precip_snow, snow, qsurf, &
328	radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, petAcoef, &
329	peqAcoef, petBcoef, peqBcoef, tsurf_new, evap, fluxlat, fluxsens, &
330	dflux_s, dflux_l)
331
332	!IM: flux entre l'ocean et la glace de mer pour le "slab" ocean
333	DO i = 1, knon
334	flux_g(i) = 0.0
335	IF (cal(i) > 1e-15) flux_g(i) = (tsurf_new(i) - t_grnd) &
336	* dif_grnd(i) * RCPD / cal(i)
337	ENDDO
338
339	CALL fonte_neige(klon, knon, nisurf, dtime, tsurf_temp, p1lay, beta, &
340	tq_cdrag, ps, precip_rain(:knon), precip_snow, snow, qsol(:knon), &
341	temp_air, spechum, u1_lay, v1_lay, petAcoef, peqAcoef, petBcoef, &
342	peqBcoef, tsurf_new, evap, fqcalving, ffonte, run_off_lic_0)
343
344	! calcul albedo
345
346	CALL albsno(klon, knon, dtime, agesno, alb_neig, precip_snow)
347	WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0.
348	zfra(1:knon) = MAX(0.0, MIN(1.0, snow(1:knon)/(snow(1:knon) + 10.0)))
349	alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + &
350	0.6 * (1.0-zfra(1:knon))
351
352	fder_prev = fder
353	fder = fder_prev + dflux_s + dflux_l
354
355	iloc = maxloc(fder(1:klon))
356
357	! 2eme appel a interfoce pour le cumul et le passage des flux a l'ocean
358
359	z0_new = 0.002
360	z0_new = SQRT(z0_new2 + rugoro2)
361	alblw(1:knon) = alb_new(1:knon)
362
363	else if (nisurf == is_lic) then
364	if (.not. allocated(run_off_lic)) then
365	allocate(run_off_lic(knon))
366	run_off_lic = 0.
367	endif
368
369	! Surface "glacier continentaux" appel a l'interface avec le sol
370
371	IF (soil_model) THEN
372	CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux)
373	cal(1:knon) = RCPD / soilcap(1:knon)
374	radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
375	ELSE
376	cal = RCPD * calice
377	WHERE (snow > 0.0) cal = RCPD * calsno
378	ENDIF
379	beta = 1.0
380	dif_grnd = 0.0
381
382	call calcul_fluxs(klon, knon, nisurf, dtime, tsurf, p1lay, cal, beta, &
383	tq_cdrag, ps, precip_rain, precip_snow, snow, qsurf, radsol, &
384	dif_grnd, temp_air, spechum, u1_lay, v1_lay, petAcoef, peqAcoef, &
385	petBcoef, peqBcoef, tsurf_new, evap, fluxlat, fluxsens, dflux_s, &
386	dflux_l)
387
388	call fonte_neige(klon, knon, nisurf, dtime, tsurf, p1lay, beta, &
389	tq_cdrag, ps, precip_rain(:knon), precip_snow, snow, qsol(:knon), &
390	temp_air, spechum, u1_lay, v1_lay, petAcoef, peqAcoef, petBcoef, &
391	peqBcoef, tsurf_new, evap, fqcalving, ffonte, run_off_lic_0)
392
393	! calcul albedo
394	CALL albsno(klon, knon, dtime, agesno, alb_neig, precip_snow)
395	WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0.
396	zfra(1:knon) = MAX(0.0, MIN(1.0, snow(1:knon)/(snow(1:knon) + 10.0)))
397	alb_new(1 : knon) = alb_neig(1 : knon)*zfra(1:knon) + &
398	0.6 * (1.0-zfra(1:knon))
399
400	!IM: plusieurs choix/tests sur l'albedo des "glaciers continentaux"
401	!IM: KstaTER0.77 & LMD_ARMIP6
402	alb_new(1 : knon) = 0.77
403
404	! Rugosite
405	z0_new = rugoro
406
407	! Remplissage des pourcentages de surface
408	pctsrf_new(:, nisurf) = pctsrf(:, nisurf)
409
410	alblw(1:knon) = alb_new(1:knon)
411	else
412	print *, 'Index surface = ', nisurf
413	abort_message = 'Index surface non valable'
414	call abort_gcm(modname, abort_message, 1)
415	endif
416
417	END SUBROUTINE interfsurf_hq
418
419	end module interfsurf_hq_m