phylmd/Interface_surf/interfsurf_hq.f

module interfsurf_hq_m

  implicit none

contains

  SUBROUTINE interfsurf_hq(dtime, julien, rmu0, nisurf, knindex, debut, &
       tsoil, qsol, u1_lay, v1_lay, temp_air, spechum, tq_cdrag, petAcoef, &
       peqAcoef, petBcoef, peqBcoef, precip_rain, precip_snow, rugos, rugoro, &
       snow, qsurf, ts, 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 calcul_fluxs_m, ONLY: calcul_fluxs
    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: 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):: julien ! 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):: 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(:) ! (knon)
    ! column-density of water in soil, in kg m-2

    real, intent(IN):: u1_lay(:), v1_lay(:) ! (knon) vitesse 1ere couche

    real, dimension(klon), intent(IN):: temp_air, spechum
    ! temp_air temperature de l'air 1ere couche
    ! spechum humidite specifique 1ere couche
    real, intent(IN):: tq_cdrag(:) ! (knon) coefficient d'echange

    real, dimension(klon), intent(IN):: petAcoef, peqAcoef
    ! coefficients A de la r\'esolution de la couche limite pour t et q

    real, dimension(klon), intent(IN):: petBcoef, peqBcoef
    ! coefficients B de la r\'esolution de la couche limite pour t et 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(IN):: rugos(klon) ! rugosite
    real, intent(IN):: rugoro(klon) ! rugosite orographique
    real, intent(INOUT):: snow(:) ! (knon)
    real, intent(INOUT):: qsurf(klon)
    real, intent(IN):: ts(:) ! (knon) temp\'erature de surface
    real, intent(IN):: p1lay(klon) ! pression 1er niveau (milieu de couche)
    real, dimension(klon), intent(IN):: ps ! pression au sol
    REAL, INTENT(IN):: radsol(:) ! (knon) rayonnement net au sol (LW + SW)
    real, intent(OUT):: evap(:) ! (knon) evaporation totale

    real, intent(OUT):: flux_t(:) ! (knon) flux de chaleur sensible
    ! (Cp T) à la surface, positif vers le bas, W / m2

    real, intent(OUT):: fluxlat(:) ! (knon) flux de chaleur latente
    real, intent(OUT):: dflux_l(:), dflux_s(:) ! (knon)
    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 limiter la
    ! hauteur de neige, en kg / m2 / s
    real, intent(OUT):: fqcalving(:) ! (knon)

    ! Flux thermique utiliser pour fondre la neige
    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:
    integer knon ! nombre de points de la surface a traiter
    REAL soilcap(size(knindex)) ! (knon)
    REAL soilflux(size(knindex)) ! (knon)
    logical:: first_call = .true.
    integer ii
    real cal(size(knindex)) ! (knon)
    real beta(size(knindex)) ! (knon) evap reelle
    real dif_grnd(klon)
    real tsurf(size(knindex)) ! (knon)
    real alb_neig(size(knindex)) ! (knon)
    real zfra(size(knindex)) ! (knon)
    REAL, PARAMETER:: fmagic = 1. ! facteur magique pour r\'egler l'alb\'edo
    REAL, PARAMETER:: max_eau_sol = 150. ! in kg m-2
    REAL, PARAMETER:: tau_gl = 86400. * 5.

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

    knon = size(knindex)

    ! 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.
    dif_grnd = 999999.
    z0_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, julien, knindex, debut, albedo, z0_new)

       beta = min(2. * qsol / max_eau_sol, 1.)
       dif_grnd(:knon) = 0.
       CALL soil(dtime, is_ter, snow, ts, tsoil, soilcap, soilflux)
       cal = RCPD / soilcap

       CALL calcul_fluxs(dtime, ts, p1lay(:knon), cal, beta, tq_cdrag, &
            ps(:knon), qsurf(:knon), radsol + soilflux, dif_grnd(:knon), &
            temp_air(:knon), spechum(:knon), u1_lay, v1_lay, &
            petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), &
            peqBcoef(:knon), tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l)
       CALL fonte_neige(is_ter, dtime, precip_rain(:knon), &
            precip_snow(:knon), snow, qsol, tsurf_new, evap, &
            fqcalving, ffonte(:knon), run_off_lic_0(:knon))

       call albsno(dtime, agesno, alb_neig, precip_snow(:knon))
       where (snow < 0.0001) agesno = 0.
       zfra = max(0., min(1., snow / (snow + 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(julien, knindex, tsurf)
       cal = 0.
       beta = 1.
       dif_grnd = 0.
       call calcul_fluxs(dtime, tsurf, p1lay(:knon), cal, beta, &
            tq_cdrag, ps(:knon), qsurf(:knon), radsol, &
            dif_grnd(:knon), temp_air(:knon), spechum(:knon), u1_lay, &
            v1_lay, petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), &
            peqBcoef(:knon), tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l)
       agesno = 0.
       albedo = alboc_cd(rmu0(knindex)) * fmagic
       z0_new = sqrt(rugos**2 + rugoro**2)
       fqcalving = 0.
    case (is_sic)
       ! Surface "glace de mer" appel a l'interface avec l'ocean

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

       CALL soil(dtime, is_sic, snow, tsurf_new, tsoil, soilcap, soilflux)
       cal = RCPD / soilcap
       dif_grnd = 1. / tau_gl
       tsurf = tsurf_new
       beta = 1.

       CALL calcul_fluxs(dtime, tsurf, p1lay(:knon), cal, beta, &
            tq_cdrag, ps(:knon), qsurf(:knon), radsol + soilflux, &
            dif_grnd(:knon), temp_air(:knon), spechum(:knon), u1_lay, &
            v1_lay, petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), &
            peqBcoef(:knon), tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l)
       CALL fonte_neige(is_sic, dtime, precip_rain(:knon), &
            precip_snow(:knon), snow, qsol, tsurf_new, evap, &
            fqcalving, ffonte(:knon), run_off_lic_0(:knon))

       ! Compute the albedo:

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

       z0_new = SQRT(0.002**2 + rugoro**2)
    case (is_lic)
       ! Surface "glacier continentaux" appel a l'interface avec le sol

       CALL soil(dtime, is_lic, snow, ts, tsoil, soilcap, soilflux)
       cal = RCPD / soilcap
       beta = 1.
       dif_grnd = 0.

       call calcul_fluxs(dtime, ts, p1lay(:knon), cal, beta, tq_cdrag, &
            ps(:knon), qsurf(:knon), radsol + soilflux, dif_grnd(:knon), &
            temp_air(:knon), spechum(:knon), u1_lay, v1_lay, &
            petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), &
            peqBcoef(:knon), tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l)
       call fonte_neige(is_lic, dtime, precip_rain(:knon), &
            precip_snow(:knon), snow, qsol, tsurf_new, evap, &
            fqcalving, ffonte(:knon), run_off_lic_0(:knon))

       ! calcul albedo
       CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
       WHERE (snow < 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	guez	54	module interfsurf_hq_m
2
3			implicit none
4
5			contains
6
7	guez	222	SUBROUTINE interfsurf_hq(dtime, julien, rmu0, nisurf, knindex, debut, &
8	guez	209	tsoil, qsol, u1_lay, v1_lay, temp_air, spechum, tq_cdrag, petAcoef, &
9	guez	223	peqAcoef, petBcoef, peqBcoef, precip_rain, precip_snow, rugos, rugoro, &
10			snow, qsurf, ts, p1lay, ps, radsol, evap, flux_t, fluxlat, dflux_l, &
11			dflux_s, tsurf_new, albedo, z0_new, pctsrf_new_sic, agesno, fqcalving, &
12			ffonte, run_off_lic_0)
13	guez	54
14	guez	150	! 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	guez	54
18	guez	104	! Laurent Fairhead, February 2000
19	guez	54
20	guez	72	USE abort_gcm_m, ONLY: abort_gcm
21	guez	154	use alboc_cd_m, only: alboc_cd
22	guez	72	USE albsno_m, ONLY: albsno
23			USE calcul_fluxs_m, ONLY: calcul_fluxs
24	guez	98	USE dimphy, ONLY: klon
25	guez	72	USE fonte_neige_m, ONLY: fonte_neige
26	guez	207	USE indicesol, ONLY: epsfra, is_lic, is_oce, is_sic, is_ter
27	guez	217	USE interface_surf, ONLY: conf_interface
28	guez	72	USE interfsur_lim_m, ONLY: interfsur_lim
29	guez	202	use read_sst_m, only: read_sst
30	guez	101	use soil_m, only: soil
31	guez	178	USE suphec_m, ONLY: rcpd, rtt
32	guez	54
33	guez	99	real, intent(IN):: dtime ! pas de temps de la physique (en s)
34	guez	221	integer, intent(IN):: julien ! jour dans l'annee en cours
35	guez	99	real, intent(IN):: rmu0(klon) ! cosinus de l'angle solaire zenithal
36	guez	101	integer, intent(IN):: nisurf ! index de la surface a traiter
37
38	guez	106	integer, intent(in):: knindex(:) ! (knon)
39	guez	101	! index des points de la surface a traiter
40
41			logical, intent(IN):: debut ! 1er appel a la physique
42	guez	54	! (si false calcul simplifie des fluxs sur les continents)
43	guez	101
44	guez	208	REAL, intent(inout):: tsoil(:, :) ! (knon, nsoilmx)
45	guez	101
46	guez	225	REAL, intent(INOUT):: qsol(:) ! (knon)
47	guez	101	! column-density of water in soil, in kg m-2
48
49	guez	225	real, intent(IN):: u1_lay(:), v1_lay(:) ! (knon) vitesse 1ere couche
50
51	guez	99	real, dimension(klon), intent(IN):: temp_air, spechum
52	guez	54	! temp_air temperature de l'air 1ere couche
53			! spechum humidite specifique 1ere couche
54	guez	230	real, intent(IN):: tq_cdrag(:) ! (knon) coefficient d'echange
55	guez	215
56	guez	99	real, dimension(klon), intent(IN):: petAcoef, peqAcoef
57	guez	215	! coefficients A de la r\'esolution de la couche limite pour t et q
58
59	guez	99	real, dimension(klon), intent(IN):: petBcoef, peqBcoef
60	guez	215	! coefficients B de la r\'esolution de la couche limite pour t et q
61	guez	101
62			real, intent(IN):: precip_rain(klon)
63	guez	175	! precipitation, liquid water mass flux (kg / m2 / s), positive down
64	guez	101
65			real, intent(IN):: precip_snow(klon)
66	guez	175	! precipitation, solid water mass flux (kg / m2 / s), positive down
67	guez	101
68	guez	154	real, intent(IN):: rugos(klon) ! rugosite
69			real, intent(IN):: rugoro(klon) ! rugosite orographique
70	guez	215	real, intent(INOUT):: snow(:) ! (knon)
71			real, intent(INOUT):: qsurf(klon)
72	guez	221	real, intent(IN):: ts(:) ! (knon) temp\'erature de surface
73	guez	215	real, intent(IN):: p1lay(klon) ! pression 1er niveau (milieu de couche)
74			real, dimension(klon), intent(IN):: ps ! pression au sol
75	guez	267	REAL, INTENT(IN):: radsol(:) ! (knon) rayonnement net au sol (LW + SW)
76	guez	206	real, intent(OUT):: evap(:) ! (knon) evaporation totale
77	guez	214
78	guez	206	real, intent(OUT):: flux_t(:) ! (knon) flux de chaleur sensible
79	guez	214	! (Cp T) à la surface, positif vers le bas, W / m2
80	guez	267
81	guez	214	real, intent(OUT):: fluxlat(:) ! (knon) flux de chaleur latente
82	guez	222	real, intent(OUT):: dflux_l(:), dflux_s(:) ! (knon)
83	guez	207	real, intent(OUT):: tsurf_new(:) ! (knon) temp\'erature au sol
84	guez	156	real, intent(OUT):: albedo(:) ! (knon) albedo
85	guez	154	real, intent(OUT):: z0_new(klon) ! surface roughness
86	guez	202
87			real, intent(in):: pctsrf_new_sic(:) ! (klon)
88			! nouvelle repartition des surfaces
89
90	guez	175	real, intent(INOUT):: agesno(:) ! (knon)
91	guez	54
92	guez	215	! Flux d'eau "perdue" par la surface et n\'ecessaire pour limiter la
93	guez	175	! hauteur de neige, en kg / m2 / s
94	guez	279	real, intent(OUT):: fqcalving(:) ! (knon)
95	guez	99
96			! Flux thermique utiliser pour fondre la neige
97			real, dimension(klon), intent(INOUT):: ffonte
98
99			real, dimension(klon), intent(INOUT):: run_off_lic_0
100			! run_off_lic_0 runoff glacier du pas de temps precedent
101
102			! Local:
103	guez	222	integer knon ! nombre de points de la surface a traiter
104			REAL soilcap(size(knindex)) ! (knon)
105			REAL soilflux(size(knindex)) ! (knon)
106	guez	175	logical:: first_call = .true.
107			integer ii
108	guez	222	real cal(size(knindex)) ! (knon)
109			real beta(size(knindex)) ! (knon) evap reelle
110	guez	268	real dif_grnd(klon)
111	guez	222	real tsurf(size(knindex)) ! (knon)
112			real alb_neig(size(knindex)) ! (knon)
113			real zfra(size(knindex)) ! (knon)
114	guez	208	REAL, PARAMETER:: fmagic = 1. ! facteur magique pour r\'egler l'alb\'edo
115	guez	268	REAL, PARAMETER:: max_eau_sol = 150. ! in kg m-2
116	guez	269	REAL, PARAMETER:: tau_gl = 86400. * 5.
117	guez	54
118			!-------------------------------------------------------------
119
120	guez	222	knon = size(knindex)
121	guez	267
122	guez	54	! On doit commencer par appeler les schemas de surfaces continentales
123			! car l'ocean a besoin du ruissellement qui est y calcule
124
125			if (first_call) then
126	guez	72	call conf_interface
127	guez	175
128	guez	54	if (nisurf /= is_ter .and. klon > 1) then
129	guez	101	print *, ' nisurf = ', nisurf, ' /= is_ter = ', is_ter
130			print *, 'or on doit commencer par les surfaces continentales'
131	guez	175	call abort_gcm("interfsurf_hq", &
132			'On doit commencer par les surfaces continentales')
133	guez	54	endif
134	guez	175
135	guez	101	if (is_oce > is_sic) then
136	guez	175	print *, 'is_oce = ', is_oce, '> is_sic = ', is_sic
137			call abort_gcm("interfsurf_hq", &
138	guez	208	"L'ocean doit etre traite avant la banquise")
139	guez	54	endif
140	guez	175
141			first_call = .false.
142	guez	54	endif
143
144			! Initialisations diverses
145
146	guez	175	ffonte(1:knon) = 0.
147	guez	54	dif_grnd = 999999.
148			z0_new = 999999.
149
150			! Aiguillage vers les differents schemas de surface
151
152	guez	104	select case (nisurf)
153			case (is_ter)
154	guez	171	! Surface "terre", appel \`a l'interface avec les sols continentaux
155	guez	54
156			! Calcul age de la neige
157
158	guez	174	! Read albedo from the file containing boundary conditions then
159			! add the albedo of snow:
160
161	guez	221	call interfsur_lim(dtime, julien, knindex, debut, albedo, z0_new)
162	guez	54
163	guez	268	beta = min(2. * qsol / max_eau_sol, 1.)
164			dif_grnd(:knon) = 0.
165	guez	267	CALL soil(dtime, is_ter, snow, ts, tsoil, soilcap, soilflux)
166			cal = RCPD / soilcap
167	guez	171
168	guez	230	CALL calcul_fluxs(dtime, ts, p1lay(:knon), cal, beta, tq_cdrag, &
169	guez	267	ps(:knon), qsurf(:knon), radsol + soilflux, dif_grnd(:knon), &
170	guez	225	temp_air(:knon), spechum(:knon), u1_lay, v1_lay, &
171	guez	222	petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), &
172			peqBcoef(:knon), tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l)
173	guez	215	CALL fonte_neige(is_ter, dtime, precip_rain(:knon), &
174	guez	225	precip_snow(:knon), snow, qsol, tsurf_new, evap, &
175	guez	279	fqcalving, ffonte(:knon), run_off_lic_0(:knon))
176	guez	54
177	guez	175	call albsno(dtime, agesno, alb_neig, precip_snow(:knon))
178	guez	215	where (snow < 0.0001) agesno = 0.
179			zfra = max(0., min(1., snow / (snow + 10.)))
180	guez	174	albedo = alb_neig * zfra + albedo * (1. - zfra)
181	guez	101	z0_new = sqrt(z0_new2 + rugoro2)
182	guez	104	case (is_oce)
183	guez	175	! Surface "oc\'ean", appel \`a l'interface avec l'oc\'ean
184
185	guez	222	call read_sst(julien, knindex, tsurf)
186	guez	54	cal = 0.
187			beta = 1.
188			dif_grnd = 0.
189	guez	222	call calcul_fluxs(dtime, tsurf, p1lay(:knon), cal, beta, &
190	guez	230	tq_cdrag, ps(:knon), qsurf(:knon), radsol, &
191	guez	225	dif_grnd(:knon), temp_air(:knon), spechum(:knon), u1_lay, &
192			v1_lay, petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), &
193	guez	222	peqBcoef(:knon), tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l)
194	guez	54	agesno = 0.
195	guez	209	albedo = alboc_cd(rmu0(knindex)) * fmagic
196	guez	54	z0_new = sqrt(rugos2 + rugoro2)
197	guez	279	fqcalving = 0.
198	guez	104	case (is_sic)
199	guez	54	! Surface "glace de mer" appel a l'interface avec l'ocean
200
201	guez	99	DO ii = 1, knon
202	guez	202	IF (pctsrf_new_sic(knindex(ii)) < EPSFRA) then
203	guez	175	snow(ii) = 0.
204	guez	99	tsurf_new(ii) = RTT - 1.8
205	guez	267	tsoil(ii, :) = RTT - 1.8
206	guez	221	else
207			tsurf_new(ii) = ts(ii)
208	guez	99	endif
209			enddo
210	guez	54
211	guez	267	CALL soil(dtime, is_sic, snow, tsurf_new, tsoil, soilcap, soilflux)
212			cal = RCPD / soilcap
213	guez	269	dif_grnd = 1. / tau_gl
214	guez	222	tsurf = tsurf_new
215	guez	175	beta = 1.
216	guez	54
217	guez	222	CALL calcul_fluxs(dtime, tsurf, p1lay(:knon), cal, beta, &
218	guez	267	tq_cdrag, ps(:knon), qsurf(:knon), radsol + soilflux, &
219	guez	225	dif_grnd(:knon), temp_air(:knon), spechum(:knon), u1_lay, &
220			v1_lay, petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), &
221	guez	222	peqBcoef(:knon), tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l)
222	guez	215	CALL fonte_neige(is_sic, dtime, precip_rain(:knon), &
223	guez	225	precip_snow(:knon), snow, qsol, tsurf_new, evap, &
224	guez	279	fqcalving, ffonte(:knon), run_off_lic_0(:knon))
225	guez	54
226	guez	174	! Compute the albedo:
227	guez	54
228	guez	175	CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
229	guez	215	WHERE (snow < 0.0001) agesno = 0.
230			zfra = MAX(0., MIN(1., snow / (snow + 10.)))
231	guez	175	albedo = alb_neig * zfra + 0.6 * (1. - zfra)
232	guez	54
233	guez	191	z0_new = SQRT(0.0022 + rugoro2)
234	guez	104	case (is_lic)
235	guez	54	! Surface "glacier continentaux" appel a l'interface avec le sol
236
237	guez	267	CALL soil(dtime, is_lic, snow, ts, tsoil, soilcap, soilflux)
238			cal = RCPD / soilcap
239	guez	175	beta = 1.
240			dif_grnd = 0.
241	guez	54
242	guez	230	call calcul_fluxs(dtime, ts, p1lay(:knon), cal, beta, tq_cdrag, &
243	guez	267	ps(:knon), qsurf(:knon), radsol + soilflux, dif_grnd(:knon), &
244	guez	225	temp_air(:knon), spechum(:knon), u1_lay, v1_lay, &
245	guez	222	petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), &
246			peqBcoef(:knon), tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l)
247	guez	215	call fonte_neige(is_lic, dtime, precip_rain(:knon), &
248	guez	225	precip_snow(:knon), snow, qsol, tsurf_new, evap, &
249	guez	279	fqcalving, ffonte(:knon), run_off_lic_0(:knon))
250	guez	54
251			! calcul albedo
252	guez	175	CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
253	guez	215	WHERE (snow < 0.0001) agesno = 0.
254	guez	156	albedo = 0.77
255	guez	54
256			! Rugosite
257			z0_new = rugoro
258	guez	104	case default
259	guez	101	print *, 'Index surface = ', nisurf
260	guez	175	call abort_gcm("interfsurf_hq", 'Index surface non valable')
261	guez	104	end select
262	guez	54
263			END SUBROUTINE interfsurf_hq
264
265			end module interfsurf_hq_m