phylmd/Interface_surf/interfsurf_hq.f

module interfsurf_hq_m

  implicit none

contains

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

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

    ! Laurent Fairhead, February 2000

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

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

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

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

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

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

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

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

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

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

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

    REAL, INTENT(INOUT):: fder(klon) ! derivee des flux (pour le couplage)
    real, intent(IN):: rugos(klon) ! rugosite
    real, intent(IN):: rugoro(klon) ! rugosite orographique
    real, intent(INOUT):: snow(klon), qsurf(klon)
    real, intent(IN):: tsurf(:) ! (knon) temp\'erature de surface
    real, dimension(klon), intent(IN):: p1lay
    ! p1lay pression 1er niveau (milieu de couche)
    real, dimension(klon), intent(IN):: ps
    ! ps pression au sol

    REAL, DIMENSION(klon), INTENT(INOUT):: radsol
    ! rayonnement net au sol (LW + SW)

    real, intent(INOUT):: evap(klon) ! evaporation totale
    real, dimension(klon), intent(OUT):: fluxsens, fluxlat
    ! fluxsens flux de chaleur sensible
    ! fluxlat flux de chaleur latente
    real, dimension(klon), intent(OUT):: dflux_l, dflux_s
    real, intent(OUT):: tsurf_new(knon) ! temp\'erature au sol
    real, intent(OUT):: albedo(:) ! (knon) albedo
    real, intent(OUT):: z0_new(klon) ! surface roughness
    real, dimension(klon, nbsrf), intent(OUT):: pctsrf_new
    ! pctsrf_new nouvelle repartition des surfaces
    real, intent(INOUT):: agesno(:) ! (knon)

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

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

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

    ! Local:
    REAL soilcap(klon)
    REAL soilflux(klon)
    logical:: first_call = .true.
    integer ii
    real, dimension(klon):: cal, beta, dif_grnd, capsol
    real, parameter:: calice = 1. / (5.1444e6 * 0.15), tau_gl = 86400. * 5.
    real, parameter:: calsno = 1. / (2.3867e6 * 0.15)
    real tsurf_temp(knon)
    real alb_neig(knon)
    real zfra(knon)

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

    ! 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 *, ' nisurf = ', nisurf, ' /= is_ter = ', is_ter
          print *, 'or on doit commencer par les surfaces continentales'
          call abort_gcm("interfsurf_hq", &
               'On doit commencer par les surfaces continentales')
       endif

       if (is_oce > is_sic) then
          print *, 'is_oce = ', is_oce, '> is_sic = ', is_sic
          call abort_gcm("interfsurf_hq", &
               'L''ocean doit etre traite avant la banquise')
       endif

       first_call = .false.
    endif

    ! Initialisations diverses

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

    ! Aiguillage vers les differents schemas de surface

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

       ! allocation du run-off
       if (.not. allocated(run_off)) then
          allocate(run_off(knon))
          run_off = 0.
       else if (size(run_off) /= knon) then
          call abort_gcm("interfsurf_hq", 'Something is wrong: the number of ' &
               // 'continental points has changed since last call.')
       endif

       ! Calcul age de la neige

       ! Read albedo from the file containing boundary conditions then
       ! add the albedo of snow:

       call interfsur_lim(itime, dtime, jour, knindex, debut, albedo, z0_new)

       ! Calcul snow et qsurf, hydrologie adapt\'ee
       CALL calbeta(nisurf, snow(:knon), qsol(:knon), beta(:knon), &
            capsol(:knon), dif_grnd(:knon))

       IF (soil_model) THEN
          CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux)
          cal(1:knon) = RCPD / soilcap(1:knon)
          radsol(1:knon) = radsol(1:knon) + soilflux(:knon)
       ELSE
          cal = RCPD * capsol
       ENDIF

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

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

       call albsno(dtime, agesno, alb_neig, precip_snow(:knon))
       where (snow(:knon) < 0.0001) agesno = 0.
       zfra = max(0., min(1., snow(:knon) / (snow(:knon) + 10.)))
       albedo = alb_neig * zfra + albedo * (1. - zfra)
       z0_new = sqrt(z0_new**2 + rugoro**2)

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

       call interfoce_lim(itime, dtime, jour, knindex, debut, tsurf_temp, &
            pctsrf_new)

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

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

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

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

       DO ii = 1, knon
          tsurf_new(ii) = tsurf(ii)
          IF (pctsrf_new(knindex(ii), nisurf) < EPSFRA) then
             snow(ii) = 0.
             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. / tau_gl
          cal = RCPD * calice
          WHERE (snow > 0.) cal = RCPD * calsno
       ENDIF
       tsurf_temp = tsurf_new
       beta = 1.

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

       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))

       ! Compute the albedo:

       CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
       WHERE (snow(:knon) < 0.0001) agesno = 0.
       zfra = MAX(0., MIN(1., snow(:knon) / (snow(:knon) + 10.)))
       albedo = alb_neig * zfra + 0.6 * (1. - zfra)

       fder = fder + dflux_s + dflux_l

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

       z0_new = 0.002
       z0_new = SQRT(z0_new**2 + rugoro**2)
    case (is_lic)
       if (.not. allocated(run_off_lic)) then
          allocate(run_off_lic(knon))
          run_off_lic = 0.
       endif

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

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

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

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

       ! calcul albedo
       CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
       WHERE (snow(:knon) < 0.0001) agesno = 0.
       albedo = 0.77

       ! Rugosite
       z0_new = rugoro

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

    case default
       print *, 'Index surface = ', nisurf
       call abort_gcm("interfsurf_hq", 'Index surface non valable')
    end select

  END SUBROUTINE interfsurf_hq

end module interfsurf_hq_m
1	guez	54	module interfsurf_hq_m
2
3			implicit none
4
5			contains
6
7	guez	104	SUBROUTINE interfsurf_hq(itime, dtime, jour, rmu0, nisurf, knon, knindex, &
8			pctsrf, rlat, debut, nsoilmx, tsoil, qsol, u1_lay, v1_lay, temp_air, &
9			spechum, tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, &
10			precip_rain, precip_snow, fder, rugos, rugoro, snow, qsurf, tsurf, &
11			p1lay, ps, radsol, evap, fluxsens, fluxlat, dflux_l, dflux_s, &
12	guez	156	tsurf_new, albedo, z0_new, pctsrf_new, agesno, fqcalving, ffonte, &
13	guez	175	run_off_lic_0)
14	guez	54
15	guez	150	! Cette routine sert d'aiguillage entre l'atmosph\`ere et la surface
16			! en g\'en\'eral (sols continentaux, oc\'eans, glaces) pour les flux de
17			! chaleur et d'humidit\'e.
18	guez	54
19	guez	104	! Laurent Fairhead, February 2000
20	guez	54
21	guez	72	USE abort_gcm_m, ONLY: abort_gcm
22	guez	154	use alboc_cd_m, only: alboc_cd
23	guez	125	use alboc_m, only: alboc
24	guez	72	USE albsno_m, ONLY: albsno
25	guez	101	use calbeta_m, only: calbeta
26	guez	72	USE calcul_fluxs_m, ONLY: calcul_fluxs
27	guez	154	use clesphys2, only: soil_model, cycle_diurne
28	guez	98	USE dimphy, ONLY: klon
29	guez	72	USE fonte_neige_m, ONLY: fonte_neige
30			USE indicesol, ONLY: epsfra, is_lic, is_oce, is_sic, is_ter, nbsrf
31	guez	101	USE interface_surf, ONLY: run_off, run_off_lic, conf_interface
32	guez	72	USE interfoce_lim_m, ONLY: interfoce_lim
33			USE interfsur_lim_m, ONLY: interfsur_lim
34	guez	101	use soil_m, only: soil
35	guez	178	USE suphec_m, ONLY: rcpd, rtt
36	guez	54
37	guez	99	integer, intent(IN):: itime ! numero du pas de temps
38			real, intent(IN):: dtime ! pas de temps de la physique (en s)
39			integer, intent(IN):: jour ! jour dans l'annee en cours
40			real, intent(IN):: rmu0(klon) ! cosinus de l'angle solaire zenithal
41	guez	101	integer, intent(IN):: nisurf ! index de la surface a traiter
42			integer, intent(IN):: knon ! nombre de points de la surface a traiter
43
44	guez	106	integer, intent(in):: knindex(:) ! (knon)
45	guez	101	! index des points de la surface a traiter
46
47	guez	99	real, intent(IN):: pctsrf(klon, nbsrf)
48	guez	101	! tableau des pourcentages de surface de chaque maille
49
50			real, intent(IN):: rlat(klon) ! latitudes
51
52			logical, intent(IN):: debut ! 1er appel a la physique
53	guez	54	! (si false calcul simplifie des fluxs sur les continents)
54	guez	101
55			integer, intent(in):: nsoilmx
56			REAL tsoil(klon, nsoilmx)
57
58			REAL, intent(INOUT):: qsol(klon)
59			! column-density of water in soil, in kg m-2
60
61	guez	99	real, dimension(klon), intent(IN):: u1_lay, v1_lay
62	guez	54	! u1_lay vitesse u 1ere couche
63			! v1_lay vitesse v 1ere couche
64	guez	99	real, dimension(klon), intent(IN):: temp_air, spechum
65	guez	54	! temp_air temperature de l'air 1ere couche
66			! spechum humidite specifique 1ere couche
67	guez	99	real, dimension(klon), intent(INOUT):: tq_cdrag
68	guez	54	! tq_cdrag cdrag
69	guez	99	real, dimension(klon), intent(IN):: petAcoef, peqAcoef
70	guez	54	! petAcoef coeff. A de la resolution de la CL pour t
71			! peqAcoef coeff. A de la resolution de la CL pour q
72	guez	99	real, dimension(klon), intent(IN):: petBcoef, peqBcoef
73	guez	54	! petBcoef coeff. B de la resolution de la CL pour t
74			! peqBcoef coeff. B de la resolution de la CL pour q
75	guez	101
76			real, intent(IN):: precip_rain(klon)
77	guez	175	! precipitation, liquid water mass flux (kg / m2 / s), positive down
78	guez	101
79			real, intent(IN):: precip_snow(klon)
80	guez	175	! precipitation, solid water mass flux (kg / m2 / s), positive down
81	guez	101
82	guez	154	REAL, INTENT(INOUT):: fder(klon) ! derivee des flux (pour le couplage)
83			real, intent(IN):: rugos(klon) ! rugosite
84			real, intent(IN):: rugoro(klon) ! rugosite orographique
85	guez	101	real, intent(INOUT):: snow(klon), qsurf(klon)
86	guez	150	real, intent(IN):: tsurf(:) ! (knon) temp\'erature de surface
87	guez	104	real, dimension(klon), intent(IN):: p1lay
88	guez	54	! p1lay pression 1er niveau (milieu de couche)
89	guez	99	real, dimension(klon), intent(IN):: ps
90	guez	54	! ps pression au sol
91	guez	175
92	guez	99	REAL, DIMENSION(klon), INTENT(INOUT):: radsol
93	guez	175	! rayonnement net au sol (LW + SW)
94
95	guez	106	real, intent(INOUT):: evap(klon) ! evaporation totale
96	guez	99	real, dimension(klon), intent(OUT):: fluxsens, fluxlat
97	guez	54	! fluxsens flux de chaleur sensible
98			! fluxlat flux de chaleur latente
99	guez	99	real, dimension(klon), intent(OUT):: dflux_l, dflux_s
100	guez	150	real, intent(OUT):: tsurf_new(knon) ! temp\'erature au sol
101	guez	156	real, intent(OUT):: albedo(:) ! (knon) albedo
102	guez	154	real, intent(OUT):: z0_new(klon) ! surface roughness
103	guez	72	real, dimension(klon, nbsrf), intent(OUT):: pctsrf_new
104	guez	99	! pctsrf_new nouvelle repartition des surfaces
105	guez	175	real, intent(INOUT):: agesno(:) ! (knon)
106	guez	54
107	guez	150	! Flux d'eau "perdue" par la surface et n\'ecessaire pour que limiter la
108	guez	175	! hauteur de neige, en kg / m2 / s
109	guez	54	!jld a rajouter real, dimension(klon), intent(INOUT):: fqcalving
110			real, dimension(klon), intent(INOUT):: fqcalving
111	guez	99
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			! Local:
120	guez	175	REAL soilcap(klon)
121			REAL soilflux(klon)
122			logical:: first_call = .true.
123			integer ii
124	guez	54	real, dimension(klon):: cal, beta, dif_grnd, capsol
125	guez	175	real, parameter:: calice = 1. / (5.1444e6 * 0.15), tau_gl = 86400. * 5.
126			real, parameter:: calsno = 1. / (2.3867e6 * 0.15)
127	guez	104	real tsurf_temp(knon)
128	guez	174	real alb_neig(knon)
129			real zfra(knon)
130	guez	54
131			!-------------------------------------------------------------
132
133			! On doit commencer par appeler les schemas de surfaces continentales
134			! car l'ocean a besoin du ruissellement qui est y calcule
135
136			if (first_call) then
137	guez	72	call conf_interface
138	guez	175
139	guez	54	if (nisurf /= is_ter .and. klon > 1) then
140	guez	101	print *, ' nisurf = ', nisurf, ' /= is_ter = ', is_ter
141			print *, 'or on doit commencer par les surfaces continentales'
142	guez	175	call abort_gcm("interfsurf_hq", &
143			'On doit commencer par les surfaces continentales')
144	guez	54	endif
145	guez	175
146	guez	101	if (is_oce > is_sic) then
147	guez	175	print *, 'is_oce = ', is_oce, '> is_sic = ', is_sic
148			call abort_gcm("interfsurf_hq", &
149			'L''ocean doit etre traite avant la banquise')
150	guez	54	endif
151	guez	175
152			first_call = .false.
153	guez	54	endif
154
155			! Initialisations diverses
156
157	guez	175	ffonte(1:knon) = 0.
158			fqcalving(1:knon) = 0.
159	guez	54	cal = 999999.
160			beta = 999999.
161			dif_grnd = 999999.
162			capsol = 999999.
163			z0_new = 999999.
164			tsurf_new = 999999.
165
166			! Aiguillage vers les differents schemas de surface
167
168	guez	104	select case (nisurf)
169			case (is_ter)
170	guez	171	! Surface "terre", appel \`a l'interface avec les sols continentaux
171	guez	54
172			! allocation du run-off
173	guez	101	if (.not. allocated(run_off)) then
174			allocate(run_off(knon))
175			run_off = 0.
176			else if (size(run_off) /= knon) then
177	guez	175	call abort_gcm("interfsurf_hq", 'Something is wrong: the number of ' &
178	guez	171	// 'continental points has changed since last call.')
179	guez	54	endif
180
181			! Calcul age de la neige
182
183	guez	174	! Read albedo from the file containing boundary conditions then
184			! add the albedo of snow:
185
186	guez	156	call interfsur_lim(itime, dtime, jour, knindex, debut, albedo, z0_new)
187	guez	54
188	guez	174	! Calcul snow et qsurf, hydrologie adapt\'ee
189	guez	101	CALL calbeta(nisurf, snow(:knon), qsol(:knon), beta(:knon), &
190			capsol(:knon), dif_grnd(:knon))
191	guez	54
192	guez	99	IF (soil_model) THEN
193	guez	101	CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux)
194	guez	99	cal(1:knon) = RCPD / soilcap(1:knon)
195	guez	104	radsol(1:knon) = radsol(1:knon) + soilflux(:knon)
196	guez	99	ELSE
197			cal = RCPD * capsol
198			ENDIF
199	guez	171
200			CALL calcul_fluxs(dtime, tsurf, p1lay(:knon), cal(:knon), &
201	guez	116	beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
202			radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
203			u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
204			petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap(:knon), &
205			fluxlat(:knon), fluxsens(:knon), dflux_s(:knon), dflux_l(:knon))
206	guez	54
207	guez	104	CALL fonte_neige(nisurf, dtime, tsurf, p1lay(:knon), beta(:knon), &
208	guez	116	tq_cdrag(:knon), ps(:knon), precip_rain(:knon), &
209			precip_snow(:knon), snow(:knon), qsol(:knon), temp_air(:knon), &
210			spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
211			peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), tsurf_new, &
212			evap(:knon), fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
213	guez	54
214	guez	175	call albsno(dtime, agesno, alb_neig, precip_snow(:knon))
215			where (snow(:knon) < 0.0001) agesno = 0.
216			zfra = max(0., min(1., snow(:knon) / (snow(:knon) + 10.)))
217	guez	174	albedo = alb_neig * zfra + albedo * (1. - zfra)
218	guez	101	z0_new = sqrt(z0_new2 + rugoro2)
219	guez	54
220			! Remplissage des pourcentages de surface
221			pctsrf_new(:, nisurf) = pctsrf(:, nisurf)
222	guez	104	case (is_oce)
223	guez	175	! Surface "oc\'ean", appel \`a l'interface avec l'oc\'ean
224
225	guez	106	call interfoce_lim(itime, dtime, jour, knindex, debut, tsurf_temp, &
226			pctsrf_new)
227	guez	54
228			cal = 0.
229			beta = 1.
230			dif_grnd = 0.
231			agesno = 0.
232	guez	175	call calcul_fluxs(dtime, tsurf_temp, p1lay(:knon), cal(:knon), &
233			beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
234			radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
235			u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
236			petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap(:knon), &
237			fluxlat(:knon), fluxsens(:knon), dflux_s(:knon), dflux_l(:knon))
238	guez	154	fder = fder + dflux_s + dflux_l
239	guez	54
240	guez	174	! Compute the albedo:
241	guez	154	if (cycle_diurne) then
242	guez	156	CALL alboc_cd(rmu0(knindex), albedo)
243	guez	154	else
244	guez	156	CALL alboc(jour, rlat(knindex), albedo)
245	guez	54	endif
246
247			z0_new = sqrt(rugos2 + rugoro2)
248	guez	104	case (is_sic)
249	guez	54	! Surface "glace de mer" appel a l'interface avec l'ocean
250
251	guez	99	! ! lecture conditions limites
252	guez	106	CALL interfoce_lim(itime, dtime, jour, knindex, debut, tsurf_new, &
253			pctsrf_new)
254	guez	54
255	guez	99	DO ii = 1, knon
256			tsurf_new(ii) = tsurf(ii)
257			IF (pctsrf_new(knindex(ii), nisurf) < EPSFRA) then
258	guez	175	snow(ii) = 0.
259	guez	99	tsurf_new(ii) = RTT - 1.8
260	guez	154	IF (soil_model) tsoil(ii, :) = RTT - 1.8
261	guez	99	endif
262			enddo
263	guez	54
264	guez	101	CALL calbeta(nisurf, snow(:knon), qsol(:knon), beta(:knon), &
265			capsol(:knon), dif_grnd(:knon))
266	guez	54
267	guez	99	IF (soil_model) THEN
268			CALL soil(dtime, nisurf, knon, snow, tsurf_new, tsoil, soilcap, &
269			soilflux)
270			cal(1:knon) = RCPD / soilcap(1:knon)
271			radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
272			dif_grnd = 0.
273	guez	54	ELSE
274	guez	175	dif_grnd = 1. / tau_gl
275	guez	99	cal = RCPD * calice
276	guez	175	WHERE (snow > 0.) cal = RCPD * calsno
277	guez	54	ENDIF
278	guez	99	tsurf_temp = tsurf_new
279	guez	175	beta = 1.
280	guez	54
281	guez	171	CALL calcul_fluxs(dtime, tsurf_temp, p1lay(:knon), cal(:knon), &
282	guez	104	beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
283	guez	116	radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
284			u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
285			petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap(:knon), &
286			fluxlat(:knon), fluxsens(:knon), dflux_s(:knon), dflux_l(:knon))
287	guez	54
288	guez	104	CALL fonte_neige(nisurf, dtime, tsurf_temp, p1lay(:knon), beta(:knon), &
289	guez	116	tq_cdrag(:knon), ps(:knon), precip_rain(:knon), &
290			precip_snow(:knon), snow(:knon), qsol(:knon), temp_air(:knon), &
291			spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
292			peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), tsurf_new, &
293			evap(:knon), fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
294	guez	54
295	guez	174	! Compute the albedo:
296	guez	54
297	guez	175	CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
298			WHERE (snow(:knon) < 0.0001) agesno = 0.
299			zfra = MAX(0., MIN(1., snow(:knon) / (snow(:knon) + 10.)))
300			albedo = alb_neig * zfra + 0.6 * (1. - zfra)
301	guez	54
302	guez	154	fder = fder + dflux_s + dflux_l
303	guez	54
304			! 2eme appel a interfoce pour le cumul et le passage des flux a l'ocean
305
306			z0_new = 0.002
307	guez	101	z0_new = SQRT(z0_new2 + rugoro2)
308	guez	104	case (is_lic)
309	guez	54	if (.not. allocated(run_off_lic)) then
310	guez	101	allocate(run_off_lic(knon))
311	guez	54	run_off_lic = 0.
312			endif
313
314			! Surface "glacier continentaux" appel a l'interface avec le sol
315
316			IF (soil_model) THEN
317			CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux)
318			cal(1:knon) = RCPD / soilcap(1:knon)
319			radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
320			ELSE
321			cal = RCPD * calice
322	guez	175	WHERE (snow > 0.) cal = RCPD * calsno
323	guez	54	ENDIF
324	guez	175	beta = 1.
325			dif_grnd = 0.
326	guez	54
327	guez	171	call calcul_fluxs(dtime, tsurf, p1lay(:knon), cal(:knon), &
328	guez	116	beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
329			radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
330			u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
331			petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap(:knon), &
332			fluxlat(:knon), fluxsens(:knon), dflux_s(:knon), dflux_l(:knon))
333	guez	54
334	guez	104	call fonte_neige(nisurf, dtime, tsurf, p1lay(:knon), beta(:knon), &
335	guez	116	tq_cdrag(:knon), ps(:knon), precip_rain(:knon), &
336			precip_snow(:knon), snow(:knon), qsol(:knon), temp_air(:knon), &
337			spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
338			peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), tsurf_new, &
339			evap(:knon), fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
340	guez	54
341			! calcul albedo
342	guez	175	CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
343			WHERE (snow(:knon) < 0.0001) agesno = 0.
344	guez	156	albedo = 0.77
345	guez	54
346			! Rugosite
347			z0_new = rugoro
348
349			! Remplissage des pourcentages de surface
350			pctsrf_new(:, nisurf) = pctsrf(:, nisurf)
351
352	guez	104	case default
353	guez	101	print *, 'Index surface = ', nisurf
354	guez	175	call abort_gcm("interfsurf_hq", 'Index surface non valable')
355	guez	104	end select
356	guez	54
357			END SUBROUTINE interfsurf_hq
358
359			end module interfsurf_hq_m