phylmd/Interface_surf/interfsurf_hq.f

module interfsurf_hq_m

  implicit none

contains

  SUBROUTINE interfsurf_hq(dtime, jour, rmu0, nisurf, knon, knindex, 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 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
    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

    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
       albedo = alboc_cd(rmu0(knindex)) * 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, debut, &
8	tsoil, qsol, u1_lay, v1_lay, temp_air, spechum, tq_cdrag, petAcoef, &
9	peqAcoef, petBcoef, peqBcoef, precip_rain, precip_snow, fder, rugos, &
10	rugoro, snow, qsurf, tsurf, p1lay, ps, radsol, evap, flux_t, fluxlat, &
11	dflux_l, dflux_s, tsurf_new, albedo, z0_new, pctsrf_new_sic, agesno, &
12	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 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
29	USE interface_surf, ONLY: run_off_lic, conf_interface
30	USE interfsur_lim_m, ONLY: interfsur_lim
31	use read_sst_m, only: read_sst
32	use soil_m, only: soil
33	USE suphec_m, ONLY: rcpd, rtt
34
35	real, intent(IN):: dtime ! pas de temps de la physique (en s)
36	integer, intent(IN):: jour ! jour dans l'annee en cours
37	real, intent(IN):: rmu0(klon) ! cosinus de l'angle solaire zenithal
38	integer, intent(IN):: nisurf ! index de la surface a traiter
39	integer, intent(IN):: knon ! nombre de points de la surface a traiter
40
41	integer, intent(in):: knindex(:) ! (knon)
42	! index des points de la surface a traiter
43
44	logical, intent(IN):: debut ! 1er appel a la physique
45	! (si false calcul simplifie des fluxs sur les continents)
46
47	REAL, intent(inout):: tsoil(:, :) ! (knon, nsoilmx)
48
49	REAL, intent(INOUT):: qsol(klon)
50	! column-density of water in soil, in kg m-2
51
52	real, dimension(klon), intent(IN):: u1_lay, v1_lay
53	! u1_lay vitesse u 1ere couche
54	! v1_lay vitesse v 1ere couche
55	real, dimension(klon), intent(IN):: temp_air, spechum
56	! temp_air temperature de l'air 1ere couche
57	! spechum humidite specifique 1ere couche
58	real, dimension(klon), intent(INOUT):: tq_cdrag
59	! tq_cdrag cdrag
60	real, dimension(klon), intent(IN):: petAcoef, peqAcoef
61	! petAcoef coeff. A de la resolution de la CL pour t
62	! peqAcoef coeff. A de la resolution de la CL pour q
63	real, dimension(klon), intent(IN):: petBcoef, peqBcoef
64	! petBcoef coeff. B de la resolution de la CL pour t
65	! peqBcoef coeff. B de la resolution de la CL pour q
66
67	real, intent(IN):: precip_rain(klon)
68	! precipitation, liquid water mass flux (kg / m2 / s), positive down
69
70	real, intent(IN):: precip_snow(klon)
71	! precipitation, solid water mass flux (kg / m2 / s), positive down
72
73	REAL, INTENT(INOUT):: fder(klon) ! derivee des flux (pour le couplage)
74	real, intent(IN):: rugos(klon) ! rugosite
75	real, intent(IN):: rugoro(klon) ! rugosite orographique
76	real, intent(INOUT):: snow(klon), qsurf(klon)
77	real, intent(IN):: tsurf(:) ! (knon) temp\'erature de surface
78	real, dimension(klon), intent(IN):: p1lay
79	! p1lay pression 1er niveau (milieu de couche)
80	real, dimension(klon), intent(IN):: ps
81	! ps pression au sol
82
83	REAL, DIMENSION(klon), INTENT(INOUT):: radsol
84	! rayonnement net au sol (LW + SW)
85
86	real, intent(OUT):: evap(:) ! (knon) evaporation totale
87	real, intent(OUT):: flux_t(:) ! (knon) flux de chaleur sensible
88	real, dimension(klon), intent(OUT):: fluxlat ! flux de chaleur latente
89	real, dimension(klon), intent(OUT):: dflux_l, dflux_s
90	real, intent(OUT):: tsurf_new(:) ! (knon) temp\'erature au sol
91	real, intent(OUT):: albedo(:) ! (knon) albedo
92	real, intent(OUT):: z0_new(klon) ! surface roughness
93
94	real, intent(in):: pctsrf_new_sic(:) ! (klon)
95	! nouvelle repartition des surfaces
96
97	real, intent(INOUT):: agesno(:) ! (knon)
98
99	! Flux d'eau "perdue" par la surface et n\'ecessaire pour que limiter la
100	! hauteur de neige, en kg / m2 / s
101	!jld a rajouter real, dimension(klon), intent(INOUT):: fqcalving
102	real, dimension(klon), intent(INOUT):: fqcalving
103
104	! Flux thermique utiliser pour fondre la neige
105	!jld a rajouter real, dimension(klon), intent(INOUT):: ffonte
106	real, dimension(klon), intent(INOUT):: ffonte
107
108	real, dimension(klon), intent(INOUT):: run_off_lic_0
109	! run_off_lic_0 runoff glacier du pas de temps precedent
110
111	! Local:
112	REAL soilcap(knon)
113	REAL soilflux(knon)
114	logical:: first_call = .true.
115	integer ii
116	real, dimension(klon):: cal, beta, dif_grnd, capsol
117	real, parameter:: calice = 1. / (5.1444e6 * 0.15), tau_gl = 86400. * 5.
118	real, parameter:: calsno = 1. / (2.3867e6 * 0.15)
119	real tsurf_temp(knon)
120	real alb_neig(knon)
121	real zfra(knon)
122	REAL, PARAMETER:: fmagic = 1. ! facteur magique pour r\'egler l'alb\'edo
123
124	!-------------------------------------------------------------
125
126	! On doit commencer par appeler les schemas de surfaces continentales
127	! car l'ocean a besoin du ruissellement qui est y calcule
128
129	if (first_call) then
130	call conf_interface
131
132	if (nisurf /= is_ter .and. klon > 1) then
133	print *, ' nisurf = ', nisurf, ' /= is_ter = ', is_ter
134	print *, 'or on doit commencer par les surfaces continentales'
135	call abort_gcm("interfsurf_hq", &
136	'On doit commencer par les surfaces continentales')
137	endif
138
139	if (is_oce > is_sic) then
140	print *, 'is_oce = ', is_oce, '> is_sic = ', is_sic
141	call abort_gcm("interfsurf_hq", &
142	"L'ocean doit etre traite avant la banquise")
143	endif
144
145	first_call = .false.
146	endif
147
148	! Initialisations diverses
149
150	ffonte(1:knon) = 0.
151	fqcalving(1:knon) = 0.
152	cal = 999999.
153	beta = 999999.
154	dif_grnd = 999999.
155	capsol = 999999.
156	z0_new = 999999.
157	tsurf_new = 999999.
158
159	! Aiguillage vers les differents schemas de surface
160
161	select case (nisurf)
162	case (is_ter)
163	! Surface "terre", appel \`a l'interface avec les sols continentaux
164
165	! Calcul age de la neige
166
167	! Read albedo from the file containing boundary conditions then
168	! add the albedo of snow:
169
170	call interfsur_lim(dtime, jour, knindex, debut, albedo, z0_new)
171
172	! Calcul snow et qsurf, hydrologie adapt\'ee
173	CALL calbeta(is_ter, snow(:knon), qsol(:knon), beta(:knon), &
174	capsol(:knon), dif_grnd(:knon))
175
176	IF (soil_model) THEN
177	CALL soil(dtime, is_ter, snow(:knon), tsurf, tsoil, soilcap, soilflux)
178	cal(1:knon) = RCPD / soilcap
179	radsol(1:knon) = radsol(1:knon) + soilflux
180	ELSE
181	cal = RCPD * capsol
182	ENDIF
183
184	CALL calcul_fluxs(dtime, tsurf, p1lay(:knon), cal(:knon), &
185	beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
186	radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
187	u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
188	petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap, &
189	fluxlat(:knon), flux_t, dflux_s(:knon), dflux_l(:knon))
190
191	CALL fonte_neige(is_ter, dtime, tsurf, p1lay(:knon), beta(:knon), &
192	tq_cdrag(:knon), ps(:knon), precip_rain(:knon), &
193	precip_snow(:knon), snow(:knon), qsol(:knon), temp_air(:knon), &
194	spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
195	peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), tsurf_new, &
196	evap, fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
197
198	call albsno(dtime, agesno, alb_neig, precip_snow(:knon))
199	where (snow(:knon) < 0.0001) agesno = 0.
200	zfra = max(0., min(1., snow(:knon) / (snow(:knon) + 10.)))
201	albedo = alb_neig * zfra + albedo * (1. - zfra)
202	z0_new = sqrt(z0_new2 + rugoro2)
203	case (is_oce)
204	! Surface "oc\'ean", appel \`a l'interface avec l'oc\'ean
205
206	call read_sst(dtime, jour, knindex, debut, tsurf_temp)
207	cal = 0.
208	beta = 1.
209	dif_grnd = 0.
210	agesno = 0.
211	call calcul_fluxs(dtime, tsurf_temp, p1lay(:knon), cal(:knon), &
212	beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
213	radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
214	u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
215	petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap, &
216	fluxlat(:knon), flux_t, dflux_s(:knon), dflux_l(:knon))
217	fder = fder + dflux_s + dflux_l
218	albedo = alboc_cd(rmu0(knindex)) * fmagic
219	z0_new = sqrt(rugos2 + rugoro2)
220	case (is_sic)
221	! Surface "glace de mer" appel a l'interface avec l'ocean
222
223	DO ii = 1, knon
224	tsurf_new(ii) = tsurf(ii)
225	IF (pctsrf_new_sic(knindex(ii)) < EPSFRA) then
226	snow(ii) = 0.
227	tsurf_new(ii) = RTT - 1.8
228	IF (soil_model) tsoil(ii, :) = RTT - 1.8
229	endif
230	enddo
231
232	CALL calbeta(is_sic, snow(:knon), qsol(:knon), beta(:knon), &
233	capsol(:knon), dif_grnd(:knon))
234
235	IF (soil_model) THEN
236	CALL soil(dtime, is_sic, snow(:knon), tsurf_new, tsoil, soilcap, &
237	soilflux)
238	cal(1:knon) = RCPD / soilcap
239	radsol(1:knon) = radsol(1:knon) + soilflux
240	dif_grnd = 0.
241	ELSE
242	dif_grnd = 1. / tau_gl
243	cal = RCPD * calice
244	WHERE (snow > 0.) cal = RCPD * calsno
245	ENDIF
246	tsurf_temp = tsurf_new
247	beta = 1.
248
249	CALL calcul_fluxs(dtime, tsurf_temp, p1lay(:knon), cal(:knon), &
250	beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
251	radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
252	u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
253	petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap, &
254	fluxlat(:knon), flux_t, dflux_s(:knon), dflux_l(:knon))
255
256	CALL fonte_neige(is_sic, dtime, tsurf_temp, p1lay(:knon), beta(:knon), &
257	tq_cdrag(:knon), ps(:knon), precip_rain(:knon), &
258	precip_snow(:knon), snow(:knon), qsol(:knon), temp_air(:knon), &
259	spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
260	peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), tsurf_new, &
261	evap, fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
262
263	! Compute the albedo:
264
265	CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
266	WHERE (snow(:knon) < 0.0001) agesno = 0.
267	zfra = MAX(0., MIN(1., snow(:knon) / (snow(:knon) + 10.)))
268	albedo = alb_neig * zfra + 0.6 * (1. - zfra)
269
270	fder = fder + dflux_s + dflux_l
271	z0_new = SQRT(0.0022 + rugoro2)
272	case (is_lic)
273	if (.not. allocated(run_off_lic)) then
274	allocate(run_off_lic(knon))
275	run_off_lic = 0.
276	endif
277
278	! Surface "glacier continentaux" appel a l'interface avec le sol
279
280	IF (soil_model) THEN
281	CALL soil(dtime, is_lic, snow(:knon), tsurf, tsoil, soilcap, soilflux)
282	cal(1:knon) = RCPD / soilcap
283	radsol(1:knon) = radsol(1:knon) + soilflux
284	ELSE
285	cal = RCPD * calice
286	WHERE (snow > 0.) cal = RCPD * calsno
287	ENDIF
288	beta = 1.
289	dif_grnd = 0.
290
291	call calcul_fluxs(dtime, tsurf, p1lay(:knon), cal(:knon), &
292	beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
293	radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
294	u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
295	petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap, &
296	fluxlat(:knon), flux_t, dflux_s(:knon), dflux_l(:knon))
297
298	call fonte_neige(is_lic, dtime, tsurf, p1lay(:knon), beta(:knon), &
299	tq_cdrag(:knon), ps(:knon), precip_rain(:knon), &
300	precip_snow(:knon), snow(:knon), qsol(:knon), temp_air(:knon), &
301	spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), &
302	peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), tsurf_new, &
303	evap, fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
304
305	! calcul albedo
306	CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
307	WHERE (snow(:knon) < 0.0001) agesno = 0.
308	albedo = 0.77
309
310	! Rugosite
311	z0_new = rugoro
312	case default
313	print *, 'Index surface = ', nisurf
314	call abort_gcm("interfsurf_hq", 'Index surface non valable')
315	end select
316
317	END SUBROUTINE interfsurf_hq
318
319	end module interfsurf_hq_m