phylmd/Interface_surf/interfsurf_hq.f

module interfsurf_hq_m

  implicit none

contains

  SUBROUTINE interfsurf_hq(dtime, jour, rmu0, nisurf, knon, knindex, rlat, &
       debut, 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, &
       flux_t, fluxlat, dflux_l, dflux_s, tsurf_new, albedo, z0_new, &
       pctsrf_new_sic, 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
    USE interface_surf, ONLY: run_off_lic, conf_interface
    USE interfsur_lim_m, ONLY: interfsur_lim
    use read_sst_m, only: read_sst
    use soil_m, only: soil
    USE suphec_m, ONLY: rcpd, rtt

    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):: rlat(klon) ! latitudes

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

    REAL, intent(inout):: tsoil(:, :) ! (knon, 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(OUT):: evap(:) ! (knon) evaporation totale
    real, intent(OUT):: flux_t(:) ! (knon) flux de chaleur sensible
    real, dimension(klon), intent(OUT):: 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, intent(in):: pctsrf_new_sic(:) ! (klon) 
    ! 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(knon)
    REAL soilflux(knon)
    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)
    REAL, PARAMETER:: fmagic = 1. ! facteur magique pour r\'egler l'alb\'edo

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

    ! 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

       ! Calcul age de la neige

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

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

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

       IF (soil_model) THEN
          CALL soil(dtime, is_ter, snow(:knon), tsurf, tsoil, soilcap, soilflux)
          cal(1:knon) = RCPD / soilcap
          radsol(1:knon) = radsol(1:knon) + soilflux
       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, &
            fluxlat(:knon), flux_t, dflux_s(:knon), dflux_l(:knon))

       CALL fonte_neige(is_ter, 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, 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)
    case (is_oce)
       ! Surface "oc\'ean", appel \`a l'interface avec l'oc\'ean

       call read_sst(dtime, jour, knindex, debut, tsurf_temp)

       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, &
            fluxlat(:knon), flux_t, dflux_s(:knon), dflux_l(:knon))
       fder = fder + dflux_s + dflux_l

       ! Compute the albedo:

       if (cycle_diurne) then
          albedo = alboc_cd(rmu0(knindex))
       else
          albedo = alboc(jour, rlat(knindex))
       endif

       albedo = albedo * fmagic

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

       DO ii = 1, knon
          tsurf_new(ii) = tsurf(ii)
          IF (pctsrf_new_sic(knindex(ii)) < EPSFRA) then
             snow(ii) = 0.
             tsurf_new(ii) = RTT - 1.8
             IF (soil_model) tsoil(ii, :) = RTT - 1.8
          endif
       enddo

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

       IF (soil_model) THEN
          CALL soil(dtime, is_sic, snow(:knon), tsurf_new, tsoil, soilcap, &
               soilflux)
          cal(1:knon) = RCPD / soilcap
          radsol(1:knon) = radsol(1:knon) + soilflux
          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, &
            fluxlat(:knon), flux_t, dflux_s(:knon), dflux_l(:knon))

       CALL fonte_neige(is_sic, 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, 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
       z0_new = SQRT(0.002**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, is_lic, snow(:knon), tsurf, tsoil, soilcap, soilflux)
          cal(1:knon) = RCPD / soilcap
          radsol(1:knon) = radsol(1:knon) + soilflux
       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, &
            fluxlat(:knon), flux_t, dflux_s(:knon), dflux_l(:knon))

       call fonte_neige(is_lic, 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, 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
    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(dtime, jour, rmu0, nisurf, knon, knindex, rlat, &
8	debut, tsoil, qsol, u1_lay, v1_lay, temp_air, spechum, tq_cdrag, &
9	petAcoef, peqAcoef, petBcoef, peqBcoef, precip_rain, precip_snow, &
10	fder, rugos, rugoro, snow, qsurf, tsurf, p1lay, ps, radsol, evap, &
11	flux_t, fluxlat, dflux_l, dflux_s, tsurf_new, albedo, z0_new, &
12	pctsrf_new_sic, agesno, fqcalving, ffonte, run_off_lic_0)
13
14	! Cette routine sert d'aiguillage entre l'atmosph\`ere et la surface
15	! en g\'en\'eral (sols continentaux, oc\'eans, glaces) pour les flux de
16	! chaleur et d'humidit\'e.
17
18	! Laurent Fairhead, February 2000
19
20	USE abort_gcm_m, ONLY: abort_gcm
21	use alboc_cd_m, only: alboc_cd
22	use alboc_m, only: alboc
23	USE albsno_m, ONLY: albsno
24	use calbeta_m, only: calbeta
25	USE calcul_fluxs_m, ONLY: calcul_fluxs
26	use clesphys2, only: soil_model, cycle_diurne
27	USE dimphy, ONLY: klon
28	USE fonte_neige_m, ONLY: fonte_neige
29	USE indicesol, ONLY: epsfra, is_lic, is_oce, is_sic, is_ter
30	USE interface_surf, ONLY: run_off_lic, conf_interface
31	USE interfsur_lim_m, ONLY: interfsur_lim
32	use read_sst_m, only: read_sst
33	use soil_m, only: soil
34	USE suphec_m, ONLY: rcpd, rtt
35
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):: rlat(klon) ! latitudes
46
47	logical, intent(IN):: debut ! 1er appel a la physique
48	! (si false calcul simplifie des fluxs sur les continents)
49
50	REAL, intent(inout):: tsoil(:, :) ! (knon, nsoilmx)
51
52	REAL, intent(INOUT):: qsol(klon)
53	! column-density of water in soil, in kg m-2
54
55	real, dimension(klon), intent(IN):: u1_lay, v1_lay
56	! u1_lay vitesse u 1ere couche
57	! v1_lay vitesse v 1ere couche
58	real, dimension(klon), intent(IN):: temp_air, spechum
59	! temp_air temperature de l'air 1ere couche
60	! spechum humidite specifique 1ere couche
61	real, dimension(klon), intent(INOUT):: tq_cdrag
62	! tq_cdrag cdrag
63	real, dimension(klon), intent(IN):: petAcoef, peqAcoef
64	! petAcoef coeff. A de la resolution de la CL pour t
65	! peqAcoef coeff. A de la resolution de la CL pour q
66	real, dimension(klon), intent(IN):: petBcoef, peqBcoef
67	! petBcoef coeff. B de la resolution de la CL pour t
68	! peqBcoef coeff. B de la resolution de la CL pour q
69
70	real, intent(IN):: precip_rain(klon)
71	! precipitation, liquid water mass flux (kg / m2 / s), positive down
72
73	real, intent(IN):: precip_snow(klon)
74	! precipitation, solid water mass flux (kg / m2 / s), positive down
75
76	REAL, INTENT(INOUT):: fder(klon) ! derivee des flux (pour le couplage)
77	real, intent(IN):: rugos(klon) ! rugosite
78	real, intent(IN):: rugoro(klon) ! rugosite orographique
79	real, intent(INOUT):: snow(klon), qsurf(klon)
80	real, intent(IN):: tsurf(:) ! (knon) temp\'erature de surface
81	real, dimension(klon), intent(IN):: p1lay
82	! p1lay pression 1er niveau (milieu de couche)
83	real, dimension(klon), intent(IN):: ps
84	! ps pression au sol
85
86	REAL, DIMENSION(klon), INTENT(INOUT):: radsol
87	! rayonnement net au sol (LW + SW)
88
89	real, intent(OUT):: evap(:) ! (knon) evaporation totale
90	real, intent(OUT):: flux_t(:) ! (knon) flux de chaleur sensible
91	real, dimension(klon), intent(OUT):: fluxlat ! flux de chaleur latente
92	real, dimension(klon), intent(OUT):: dflux_l, dflux_s
93	real, intent(OUT):: tsurf_new(:) ! (knon) temp\'erature au sol
94	real, intent(OUT):: albedo(:) ! (knon) albedo
95	real, intent(OUT):: z0_new(klon) ! surface roughness
96
97	real, intent(in):: pctsrf_new_sic(:) ! (klon)
98	! nouvelle repartition des surfaces
99
100	real, intent(INOUT):: agesno(:) ! (knon)
101
102	! Flux d'eau "perdue" par la surface et n\'ecessaire pour que limiter la
103	! hauteur de neige, en kg / m2 / s
104	!jld a rajouter real, dimension(klon), intent(INOUT):: fqcalving
105	real, dimension(klon), intent(INOUT):: fqcalving
106
107	! Flux thermique utiliser pour fondre la neige
108	!jld a rajouter real, dimension(klon), intent(INOUT):: ffonte
109	real, dimension(klon), intent(INOUT):: ffonte
110
111	real, dimension(klon), intent(INOUT):: run_off_lic_0
112	! run_off_lic_0 runoff glacier du pas de temps precedent
113
114	! Local:
115	REAL soilcap(knon)
116	REAL soilflux(knon)
117	logical:: first_call = .true.
118	integer ii
119	real, dimension(klon):: cal, beta, dif_grnd, capsol
120	real, parameter:: calice = 1. / (5.1444e6 * 0.15), tau_gl = 86400. * 5.
121	real, parameter:: calsno = 1. / (2.3867e6 * 0.15)
122	real tsurf_temp(knon)
123	real alb_neig(knon)
124	real zfra(knon)
125	REAL, PARAMETER:: fmagic = 1. ! facteur magique pour r\'egler l'alb\'edo
126
127	!-------------------------------------------------------------
128
129	! On doit commencer par appeler les schemas de surfaces continentales
130	! car l'ocean a besoin du ruissellement qui est y calcule
131
132	if (first_call) then
133	call conf_interface
134
135	if (nisurf /= is_ter .and. klon > 1) then
136	print *, ' nisurf = ', nisurf, ' /= is_ter = ', is_ter
137	print *, 'or on doit commencer par les surfaces continentales'
138	call abort_gcm("interfsurf_hq", &
139	'On doit commencer par les surfaces continentales')
140	endif
141
142	if (is_oce > is_sic) then
143	print *, 'is_oce = ', is_oce, '> is_sic = ', is_sic
144	call abort_gcm("interfsurf_hq", &
145	"L'ocean doit etre traite avant la banquise")
146	endif
147
148	first_call = .false.
149	endif
150
151	! Initialisations diverses
152
153	ffonte(1:knon) = 0.
154	fqcalving(1:knon) = 0.
155	cal = 999999.
156	beta = 999999.
157	dif_grnd = 999999.
158	capsol = 999999.
159	z0_new = 999999.
160	tsurf_new = 999999.
161
162	! Aiguillage vers les differents schemas de surface
163
164	select case (nisurf)
165	case (is_ter)
166	! Surface "terre", appel \`a l'interface avec les sols continentaux
167
168	! Calcul age de la neige
169
170	! Read albedo from the file containing boundary conditions then
171	! add the albedo of snow:
172
173	call interfsur_lim(dtime, jour, knindex, debut, albedo, z0_new)
174
175	! Calcul snow et qsurf, hydrologie adapt\'ee
176	CALL calbeta(is_ter, snow(:knon), qsol(:knon), beta(:knon), &
177	capsol(:knon), dif_grnd(:knon))
178
179	IF (soil_model) THEN
180	CALL soil(dtime, is_ter, snow(:knon), tsurf, tsoil, soilcap, soilflux)
181	cal(1:knon) = RCPD / soilcap
182	radsol(1:knon) = radsol(1:knon) + soilflux
183	ELSE
184	cal = RCPD * capsol
185	ENDIF
186
187	CALL calcul_fluxs(dtime, tsurf, p1lay(:knon), cal(:knon), &
188	beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
189	radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
190	u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
191	petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap, &
192	fluxlat(:knon), flux_t, dflux_s(:knon), dflux_l(:knon))
193
194	CALL fonte_neige(is_ter, dtime, tsurf, p1lay(:knon), beta(:knon), &
195	tq_cdrag(:knon), ps(:knon), precip_rain(:knon), &
196	precip_snow(:knon), snow(:knon), qsol(:knon), temp_air(:knon), &
197	spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
198	peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), tsurf_new, &
199	evap, fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
200
201	call albsno(dtime, agesno, alb_neig, precip_snow(:knon))
202	where (snow(:knon) < 0.0001) agesno = 0.
203	zfra = max(0., min(1., snow(:knon) / (snow(:knon) + 10.)))
204	albedo = alb_neig * zfra + albedo * (1. - zfra)
205	z0_new = sqrt(z0_new2 + rugoro2)
206	case (is_oce)
207	! Surface "oc\'ean", appel \`a l'interface avec l'oc\'ean
208
209	call read_sst(dtime, jour, knindex, debut, tsurf_temp)
210
211	cal = 0.
212	beta = 1.
213	dif_grnd = 0.
214	agesno = 0.
215	call calcul_fluxs(dtime, tsurf_temp, p1lay(:knon), cal(:knon), &
216	beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
217	radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
218	u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
219	petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap, &
220	fluxlat(:knon), flux_t, dflux_s(:knon), dflux_l(:knon))
221	fder = fder + dflux_s + dflux_l
222
223	! Compute the albedo:
224
225	if (cycle_diurne) then
226	albedo = alboc_cd(rmu0(knindex))
227	else
228	albedo = alboc(jour, rlat(knindex))
229	endif
230
231	albedo = albedo * fmagic
232
233	z0_new = sqrt(rugos2 + rugoro2)
234	case (is_sic)
235	! Surface "glace de mer" appel a l'interface avec l'ocean
236
237	DO ii = 1, knon
238	tsurf_new(ii) = tsurf(ii)
239	IF (pctsrf_new_sic(knindex(ii)) < EPSFRA) then
240	snow(ii) = 0.
241	tsurf_new(ii) = RTT - 1.8
242	IF (soil_model) tsoil(ii, :) = RTT - 1.8
243	endif
244	enddo
245
246	CALL calbeta(is_sic, snow(:knon), qsol(:knon), beta(:knon), &
247	capsol(:knon), dif_grnd(:knon))
248
249	IF (soil_model) THEN
250	CALL soil(dtime, is_sic, snow(:knon), tsurf_new, tsoil, soilcap, &
251	soilflux)
252	cal(1:knon) = RCPD / soilcap
253	radsol(1:knon) = radsol(1:knon) + soilflux
254	dif_grnd = 0.
255	ELSE
256	dif_grnd = 1. / tau_gl
257	cal = RCPD * calice
258	WHERE (snow > 0.) cal = RCPD * calsno
259	ENDIF
260	tsurf_temp = tsurf_new
261	beta = 1.
262
263	CALL calcul_fluxs(dtime, tsurf_temp, p1lay(:knon), cal(:knon), &
264	beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
265	radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
266	u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
267	petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap, &
268	fluxlat(:knon), flux_t, dflux_s(:knon), dflux_l(:knon))
269
270	CALL fonte_neige(is_sic, dtime, tsurf_temp, p1lay(:knon), beta(:knon), &
271	tq_cdrag(:knon), ps(:knon), precip_rain(:knon), &
272	precip_snow(:knon), snow(:knon), qsol(:knon), temp_air(:knon), &
273	spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
274	peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), tsurf_new, &
275	evap, fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
276
277	! Compute the albedo:
278
279	CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
280	WHERE (snow(:knon) < 0.0001) agesno = 0.
281	zfra = MAX(0., MIN(1., snow(:knon) / (snow(:knon) + 10.)))
282	albedo = alb_neig * zfra + 0.6 * (1. - zfra)
283
284	fder = fder + dflux_s + dflux_l
285	z0_new = SQRT(0.0022 + rugoro2)
286	case (is_lic)
287	if (.not. allocated(run_off_lic)) then
288	allocate(run_off_lic(knon))
289	run_off_lic = 0.
290	endif
291
292	! Surface "glacier continentaux" appel a l'interface avec le sol
293
294	IF (soil_model) THEN
295	CALL soil(dtime, is_lic, snow(:knon), tsurf, tsoil, soilcap, soilflux)
296	cal(1:knon) = RCPD / soilcap
297	radsol(1:knon) = radsol(1:knon) + soilflux
298	ELSE
299	cal = RCPD * calice
300	WHERE (snow > 0.) cal = RCPD * calsno
301	ENDIF
302	beta = 1.
303	dif_grnd = 0.
304
305	call calcul_fluxs(dtime, tsurf, p1lay(:knon), cal(:knon), &
306	beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
307	radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
308	u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
309	petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap, &
310	fluxlat(:knon), flux_t, dflux_s(:knon), dflux_l(:knon))
311
312	call fonte_neige(is_lic, dtime, tsurf, p1lay(:knon), beta(:knon), &
313	tq_cdrag(:knon), ps(:knon), precip_rain(:knon), &
314	precip_snow(:knon), snow(:knon), qsol(:knon), temp_air(:knon), &
315	spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
316	peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), tsurf_new, &
317	evap, fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
318
319	! calcul albedo
320	CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
321	WHERE (snow(:knon) < 0.0001) agesno = 0.
322	albedo = 0.77
323
324	! Rugosite
325	z0_new = rugoro
326	case default
327	print *, 'Index surface = ', nisurf
328	call abort_gcm("interfsurf_hq", 'Index surface non valable')
329	end select
330
331	END SUBROUTINE interfsurf_hq
332
333	end module interfsurf_hq_m