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	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, albedo, z0_new, pctsrf_new, agesno, fqcalving, ffonte, &
13	run_off_lic_0)
14
15	! 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
19	! Laurent Fairhead, February 2000
20
21	USE abort_gcm_m, ONLY: abort_gcm
22	use alboc_cd_m, only: alboc_cd
23	use alboc_m, only: alboc
24	USE albsno_m, ONLY: albsno
25	use calbeta_m, only: calbeta
26	USE calcul_fluxs_m, ONLY: calcul_fluxs
27	use clesphys2, only: soil_model, cycle_diurne
28	USE dimphy, ONLY: klon
29	USE fonte_neige_m, ONLY: fonte_neige
30	USE indicesol, ONLY: epsfra, is_lic, is_oce, is_sic, is_ter, nbsrf
31	USE interface_surf, ONLY: run_off, run_off_lic, conf_interface
32	USE interfoce_lim_m, ONLY: interfoce_lim
33	USE interfsur_lim_m, ONLY: interfsur_lim
34	use soil_m, only: soil
35	USE suphec_m, ONLY: rcpd, rtt
36
37	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	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	integer, intent(in):: knindex(:) ! (knon)
45	! index des points de la surface a traiter
46
47	real, intent(IN):: pctsrf(klon, nbsrf)
48	! 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	! (si false calcul simplifie des fluxs sur les continents)
54
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	real, dimension(klon), intent(IN):: u1_lay, v1_lay
62	! u1_lay vitesse u 1ere couche
63	! v1_lay vitesse v 1ere couche
64	real, dimension(klon), intent(IN):: temp_air, spechum
65	! temp_air temperature de l'air 1ere couche
66	! spechum humidite specifique 1ere couche
67	real, dimension(klon), intent(INOUT):: tq_cdrag
68	! tq_cdrag cdrag
69	real, dimension(klon), intent(IN):: petAcoef, peqAcoef
70	! petAcoef coeff. A de la resolution de la CL pour t
71	! peqAcoef coeff. A de la resolution de la CL pour q
72	real, dimension(klon), intent(IN):: petBcoef, peqBcoef
73	! petBcoef coeff. B de la resolution de la CL pour t
74	! peqBcoef coeff. B de la resolution de la CL pour q
75
76	real, intent(IN):: precip_rain(klon)
77	! precipitation, liquid water mass flux (kg / m2 / s), positive down
78
79	real, intent(IN):: precip_snow(klon)
80	! precipitation, solid water mass flux (kg / m2 / s), positive down
81
82	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	real, intent(INOUT):: snow(klon), qsurf(klon)
86	real, intent(IN):: tsurf(:) ! (knon) temp\'erature 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
92	REAL, DIMENSION(klon), INTENT(INOUT):: radsol
93	! rayonnement net au sol (LW + SW)
94
95	real, intent(INOUT):: evap(klon) ! evaporation totale
96	real, dimension(klon), intent(OUT):: fluxsens, fluxlat
97	! fluxsens flux de chaleur sensible
98	! fluxlat flux de chaleur latente
99	real, dimension(klon), intent(OUT):: dflux_l, dflux_s
100	real, intent(OUT):: tsurf_new(knon) ! temp\'erature au sol
101	real, intent(OUT):: albedo(:) ! (knon) albedo
102	real, intent(OUT):: z0_new(klon) ! surface roughness
103	real, dimension(klon, nbsrf), intent(OUT):: pctsrf_new
104	! pctsrf_new nouvelle repartition des surfaces
105	real, intent(INOUT):: agesno(:) ! (knon)
106
107	! Flux d'eau "perdue" par la surface et n\'ecessaire 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	! Local:
120	REAL soilcap(klon)
121	REAL soilflux(klon)
122	logical:: first_call = .true.
123	integer ii
124	real, dimension(klon):: cal, beta, dif_grnd, capsol
125	real, parameter:: calice = 1. / (5.1444e6 * 0.15), tau_gl = 86400. * 5.
126	real, parameter:: calsno = 1. / (2.3867e6 * 0.15)
127	real tsurf_temp(knon)
128	real alb_neig(knon)
129	real zfra(knon)
130
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	call conf_interface
138
139	if (nisurf /= is_ter .and. klon > 1) then
140	print *, ' nisurf = ', nisurf, ' /= is_ter = ', is_ter
141	print *, 'or on doit commencer par les surfaces continentales'
142	call abort_gcm("interfsurf_hq", &
143	'On doit commencer par les surfaces continentales')
144	endif
145
146	if (is_oce > is_sic) then
147	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	endif
151
152	first_call = .false.
153	endif
154
155	! Initialisations diverses
156
157	ffonte(1:knon) = 0.
158	fqcalving(1:knon) = 0.
159	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	select case (nisurf)
169	case (is_ter)
170	! Surface "terre", appel \`a l'interface avec les sols continentaux
171
172	! allocation du run-off
173	if (.not. allocated(run_off)) then
174	allocate(run_off(knon))
175	run_off = 0.
176	else if (size(run_off) /= knon) then
177	call abort_gcm("interfsurf_hq", 'Something is wrong: the number of ' &
178	// 'continental points has changed since last call.')
179	endif
180
181	! Calcul age de la neige
182
183	! Read albedo from the file containing boundary conditions then
184	! add the albedo of snow:
185
186	call interfsur_lim(itime, dtime, jour, knindex, debut, albedo, z0_new)
187
188	! Calcul snow et qsurf, hydrologie adapt\'ee
189	CALL calbeta(nisurf, snow(:knon), qsol(:knon), beta(:knon), &
190	capsol(:knon), dif_grnd(:knon))
191
192	IF (soil_model) THEN
193	CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux)
194	cal(1:knon) = RCPD / soilcap(1:knon)
195	radsol(1:knon) = radsol(1:knon) + soilflux(:knon)
196	ELSE
197	cal = RCPD * capsol
198	ENDIF
199
200	CALL calcul_fluxs(dtime, tsurf, p1lay(:knon), cal(:knon), &
201	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
207	CALL fonte_neige(nisurf, dtime, tsurf, p1lay(:knon), beta(:knon), &
208	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
214	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	albedo = alb_neig * zfra + albedo * (1. - zfra)
218	z0_new = sqrt(z0_new2 + rugoro2)
219
220	! Remplissage des pourcentages de surface
221	pctsrf_new(:, nisurf) = pctsrf(:, nisurf)
222	case (is_oce)
223	! Surface "oc\'ean", appel \`a l'interface avec l'oc\'ean
224
225	call interfoce_lim(itime, dtime, jour, knindex, debut, tsurf_temp, &
226	pctsrf_new)
227
228	cal = 0.
229	beta = 1.
230	dif_grnd = 0.
231	agesno = 0.
232	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	fder = fder + dflux_s + dflux_l
239
240	! Compute the albedo:
241	if (cycle_diurne) then
242	CALL alboc_cd(rmu0(knindex), albedo)
243	else
244	CALL alboc(jour, rlat(knindex), albedo)
245	endif
246
247	z0_new = sqrt(rugos2 + rugoro2)
248	case (is_sic)
249	! Surface "glace de mer" appel a l'interface avec l'ocean
250
251	! ! lecture conditions limites
252	CALL interfoce_lim(itime, dtime, jour, knindex, debut, tsurf_new, &
253	pctsrf_new)
254
255	DO ii = 1, knon
256	tsurf_new(ii) = tsurf(ii)
257	IF (pctsrf_new(knindex(ii), nisurf) < EPSFRA) then
258	snow(ii) = 0.
259	tsurf_new(ii) = RTT - 1.8
260	IF (soil_model) tsoil(ii, :) = RTT - 1.8
261	endif
262	enddo
263
264	CALL calbeta(nisurf, snow(:knon), qsol(:knon), beta(:knon), &
265	capsol(:knon), dif_grnd(:knon))
266
267	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	ELSE
274	dif_grnd = 1. / tau_gl
275	cal = RCPD * calice
276	WHERE (snow > 0.) cal = RCPD * calsno
277	ENDIF
278	tsurf_temp = tsurf_new
279	beta = 1.
280
281	CALL calcul_fluxs(dtime, tsurf_temp, p1lay(:knon), cal(:knon), &
282	beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
283	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
288	CALL fonte_neige(nisurf, dtime, tsurf_temp, p1lay(:knon), beta(:knon), &
289	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
295	! Compute the albedo:
296
297	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
302	fder = fder + dflux_s + dflux_l
303
304	! 2eme appel a interfoce pour le cumul et le passage des flux a l'ocean
305
306	z0_new = 0.002
307	z0_new = SQRT(z0_new2 + rugoro2)
308	case (is_lic)
309	if (.not. allocated(run_off_lic)) then
310	allocate(run_off_lic(knon))
311	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	WHERE (snow > 0.) cal = RCPD * calsno
323	ENDIF
324	beta = 1.
325	dif_grnd = 0.
326
327	call calcul_fluxs(dtime, tsurf, p1lay(:knon), cal(:knon), &
328	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
334	call fonte_neige(nisurf, dtime, tsurf, p1lay(:knon), beta(:knon), &
335	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
341	! calcul albedo
342	CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
343	WHERE (snow(:knon) < 0.0001) agesno = 0.
344	albedo = 0.77
345
346	! Rugosite
347	z0_new = rugoro
348
349	! Remplissage des pourcentages de surface
350	pctsrf_new(:, nisurf) = pctsrf(:, nisurf)
351
352	case default
353	print *, 'Index surface = ', nisurf
354	call abort_gcm("interfsurf_hq", 'Index surface non valable')
355	end select
356
357	END SUBROUTINE interfsurf_hq
358
359	end module interfsurf_hq_m