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 ! 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(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(:) ! (knon)
    real, intent(INOUT):: qsurf(klon)
    real, intent(IN):: tsurf(:) ! (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, 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
    ! (Cp T) à la surface, positif vers le bas, W / m2
    
    real, intent(OUT):: fluxlat(:) ! (knon) 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 limiter la
    ! hauteur de neige, en kg / m2 / s
    real, dimension(klon), intent(INOUT):: fqcalving

    ! 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:
    REAL soilcap(knon)
    REAL soilflux(knon)
    logical:: first_call = .true.
    integer ii
    real cal(knon)
    real beta(klon) ! evap reelle
    real dif_grnd(klon), capsol(klon)
    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 de snow et qsurf, hydrologie adapt\'ee
       CALL calbeta(is_ter, snow, qsol(:knon), beta(:knon), &
            capsol(:knon), dif_grnd(:knon))

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

       CALL calcul_fluxs(dtime, tsurf, p1lay(:knon), cal, &
            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, flux_t, dflux_s(:knon), dflux_l(:knon))
       CALL fonte_neige(is_ter, dtime, precip_rain(:knon), &
            precip_snow(:knon), snow, qsol(:knon), tsurf_new, evap, &
            fqcalving(:knon), 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(dtime, jour, knindex, debut, tsurf_temp)
       cal = 0.
       beta = 1.
       dif_grnd = 0.
       agesno = 0.
       call calcul_fluxs(dtime, tsurf_temp, p1lay(:knon), cal, &
            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, 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, qsol(:knon), beta(:knon), &
            capsol(:knon), dif_grnd(:knon))

       IF (soil_model) THEN
          CALL soil(dtime, is_sic, snow, tsurf_new, tsoil, soilcap, &
               soilflux)
          cal = 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, &
            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, flux_t, dflux_s(:knon), dflux_l(:knon))
       CALL fonte_neige(is_sic, dtime, precip_rain(:knon), &
            precip_snow(:knon), snow, qsol(: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 < 0.0001) agesno = 0.
       zfra = MAX(0., MIN(1., snow / (snow + 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, tsurf, tsoil, soilcap, soilflux)
          cal = 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, &
            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, flux_t, dflux_s(:knon), dflux_l(:knon))
       call fonte_neige(is_lic, dtime, precip_rain(:knon), &
            precip_snow(:knon), snow, qsol(: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 < 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	209	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	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	guez	101	use calbeta_m, only: calbeta
24	guez	72	USE calcul_fluxs_m, ONLY: calcul_fluxs
25	guez	209	use clesphys2, only: soil_model
26	guez	98	USE dimphy, ONLY: klon
27	guez	72	USE fonte_neige_m, ONLY: fonte_neige
28	guez	207	USE indicesol, ONLY: epsfra, is_lic, is_oce, is_sic, is_ter
29	guez	202	USE interface_surf, ONLY: run_off_lic, conf_interface
30	guez	72	USE interfsur_lim_m, ONLY: interfsur_lim
31	guez	202	use read_sst_m, only: read_sst
32	guez	101	use soil_m, only: soil
33	guez	178	USE suphec_m, ONLY: rcpd, rtt
34	guez	54
35	guez	99	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	guez	101	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	guez	106	integer, intent(in):: knindex(:) ! (knon)
42	guez	101	! index des points de la surface a traiter
43
44			logical, intent(IN):: debut ! 1er appel a la physique
45	guez	54	! (si false calcul simplifie des fluxs sur les continents)
46	guez	101
47	guez	208	REAL, intent(inout):: tsoil(:, :) ! (knon, nsoilmx)
48	guez	101
49			REAL, intent(INOUT):: qsol(klon)
50			! column-density of water in soil, in kg m-2
51
52	guez	99	real, dimension(klon), intent(IN):: u1_lay, v1_lay
53	guez	54	! u1_lay vitesse u 1ere couche
54			! v1_lay vitesse v 1ere couche
55	guez	99	real, dimension(klon), intent(IN):: temp_air, spechum
56	guez	54	! temp_air temperature de l'air 1ere couche
57			! spechum humidite specifique 1ere couche
58	guez	215	real, dimension(klon), intent(INOUT):: tq_cdrag ! coefficient d'echange
59
60	guez	99	real, dimension(klon), intent(IN):: petAcoef, peqAcoef
61	guez	215	! coefficients A de la r\'esolution de la couche limite pour t et q
62
63	guez	99	real, dimension(klon), intent(IN):: petBcoef, peqBcoef
64	guez	215	! coefficients B de la r\'esolution de la couche limite pour t et q
65	guez	101
66			real, intent(IN):: precip_rain(klon)
67	guez	175	! precipitation, liquid water mass flux (kg / m2 / s), positive down
68	guez	101
69			real, intent(IN):: precip_snow(klon)
70	guez	175	! precipitation, solid water mass flux (kg / m2 / s), positive down
71	guez	101
72	guez	154	REAL, INTENT(INOUT):: fder(klon) ! derivee des flux (pour le couplage)
73			real, intent(IN):: rugos(klon) ! rugosite
74			real, intent(IN):: rugoro(klon) ! rugosite orographique
75	guez	215	real, intent(INOUT):: snow(:) ! (knon)
76			real, intent(INOUT):: qsurf(klon)
77	guez	150	real, intent(IN):: tsurf(:) ! (knon) temp\'erature de surface
78	guez	215	real, intent(IN):: p1lay(klon) ! pression 1er niveau (milieu de couche)
79			real, dimension(klon), intent(IN):: ps ! pression au sol
80	guez	175
81	guez	99	REAL, DIMENSION(klon), INTENT(INOUT):: radsol
82	guez	175	! rayonnement net au sol (LW + SW)
83
84	guez	206	real, intent(OUT):: evap(:) ! (knon) evaporation totale
85	guez	214
86	guez	206	real, intent(OUT):: flux_t(:) ! (knon) flux de chaleur sensible
87	guez	214	! (Cp T) à la surface, positif vers le bas, W / m2
88
89			real, intent(OUT):: fluxlat(:) ! (knon) flux de chaleur latente
90	guez	99	real, dimension(klon), intent(OUT):: dflux_l, dflux_s
91	guez	207	real, intent(OUT):: tsurf_new(:) ! (knon) temp\'erature au sol
92	guez	156	real, intent(OUT):: albedo(:) ! (knon) albedo
93	guez	154	real, intent(OUT):: z0_new(klon) ! surface roughness
94	guez	202
95			real, intent(in):: pctsrf_new_sic(:) ! (klon)
96			! nouvelle repartition des surfaces
97
98	guez	175	real, intent(INOUT):: agesno(:) ! (knon)
99	guez	54
100	guez	215	! Flux d'eau "perdue" par la surface et n\'ecessaire pour limiter la
101	guez	175	! hauteur de neige, en kg / m2 / s
102	guez	54	real, dimension(klon), intent(INOUT):: fqcalving
103	guez	99
104			! Flux thermique utiliser pour fondre la neige
105			real, dimension(klon), intent(INOUT):: ffonte
106
107			real, dimension(klon), intent(INOUT):: run_off_lic_0
108			! run_off_lic_0 runoff glacier du pas de temps precedent
109
110			! Local:
111	guez	207	REAL soilcap(knon)
112			REAL soilflux(knon)
113	guez	175	logical:: first_call = .true.
114			integer ii
115	guez	215	real cal(knon)
116			real beta(klon) ! evap reelle
117			real dif_grnd(klon), capsol(klon)
118	guez	175	real, parameter:: calice = 1. / (5.1444e6 * 0.15), tau_gl = 86400. * 5.
119			real, parameter:: calsno = 1. / (2.3867e6 * 0.15)
120	guez	104	real tsurf_temp(knon)
121	guez	174	real alb_neig(knon)
122			real zfra(knon)
123	guez	208	REAL, PARAMETER:: fmagic = 1. ! facteur magique pour r\'egler l'alb\'edo
124	guez	54
125			!-------------------------------------------------------------
126
127			! On doit commencer par appeler les schemas de surfaces continentales
128			! car l'ocean a besoin du ruissellement qui est y calcule
129
130			if (first_call) then
131	guez	72	call conf_interface
132	guez	175
133	guez	54	if (nisurf /= is_ter .and. klon > 1) then
134	guez	101	print *, ' nisurf = ', nisurf, ' /= is_ter = ', is_ter
135			print *, 'or on doit commencer par les surfaces continentales'
136	guez	175	call abort_gcm("interfsurf_hq", &
137			'On doit commencer par les surfaces continentales')
138	guez	54	endif
139	guez	175
140	guez	101	if (is_oce > is_sic) then
141	guez	175	print *, 'is_oce = ', is_oce, '> is_sic = ', is_sic
142			call abort_gcm("interfsurf_hq", &
143	guez	208	"L'ocean doit etre traite avant la banquise")
144	guez	54	endif
145	guez	175
146			first_call = .false.
147	guez	54	endif
148
149			! Initialisations diverses
150
151	guez	175	ffonte(1:knon) = 0.
152			fqcalving(1:knon) = 0.
153	guez	54	cal = 999999.
154			beta = 999999.
155			dif_grnd = 999999.
156			capsol = 999999.
157			z0_new = 999999.
158			tsurf_new = 999999.
159
160			! Aiguillage vers les differents schemas de surface
161
162	guez	104	select case (nisurf)
163			case (is_ter)
164	guez	171	! Surface "terre", appel \`a l'interface avec les sols continentaux
165	guez	54
166			! Calcul age de la neige
167
168	guez	174	! Read albedo from the file containing boundary conditions then
169			! add the albedo of snow:
170
171	guez	191	call interfsur_lim(dtime, jour, knindex, debut, albedo, z0_new)
172	guez	54
173	guez	215	! Calcul de snow et qsurf, hydrologie adapt\'ee
174			CALL calbeta(is_ter, snow, qsol(:knon), beta(:knon), &
175	guez	101	capsol(:knon), dif_grnd(:knon))
176	guez	54
177	guez	99	IF (soil_model) THEN
178	guez	215	CALL soil(dtime, is_ter, snow, tsurf, tsoil, soilcap, soilflux)
179			cal = RCPD / soilcap
180	guez	207	radsol(1:knon) = radsol(1:knon) + soilflux
181	guez	99	ELSE
182	guez	215	cal = RCPD * capsol(:knon)
183	guez	99	ENDIF
184	guez	171
185	guez	215	CALL calcul_fluxs(dtime, tsurf, p1lay(:knon), cal, &
186	guez	116	beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
187			radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
188			u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
189	guez	206	petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap, &
190	guez	214	fluxlat, flux_t, dflux_s(:knon), dflux_l(:knon))
191	guez	215	CALL fonte_neige(is_ter, dtime, precip_rain(:knon), &
192			precip_snow(:knon), snow, qsol(:knon), tsurf_new, evap, &
193			fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
194	guez	54
195	guez	175	call albsno(dtime, agesno, alb_neig, precip_snow(:knon))
196	guez	215	where (snow < 0.0001) agesno = 0.
197			zfra = max(0., min(1., snow / (snow + 10.)))
198	guez	174	albedo = alb_neig * zfra + albedo * (1. - zfra)
199	guez	101	z0_new = sqrt(z0_new2 + rugoro2)
200	guez	104	case (is_oce)
201	guez	175	! Surface "oc\'ean", appel \`a l'interface avec l'oc\'ean
202
203	guez	202	call read_sst(dtime, jour, knindex, debut, tsurf_temp)
204	guez	54	cal = 0.
205			beta = 1.
206			dif_grnd = 0.
207			agesno = 0.
208	guez	215	call calcul_fluxs(dtime, tsurf_temp, p1lay(:knon), cal, &
209	guez	175	beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
210			radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
211			u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
212	guez	206	petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap, &
213	guez	214	fluxlat, flux_t, dflux_s(:knon), dflux_l(:knon))
214	guez	154	fder = fder + dflux_s + dflux_l
215	guez	209	albedo = alboc_cd(rmu0(knindex)) * fmagic
216	guez	54	z0_new = sqrt(rugos2 + rugoro2)
217	guez	104	case (is_sic)
218	guez	54	! Surface "glace de mer" appel a l'interface avec l'ocean
219
220	guez	99	DO ii = 1, knon
221			tsurf_new(ii) = tsurf(ii)
222	guez	202	IF (pctsrf_new_sic(knindex(ii)) < EPSFRA) then
223	guez	175	snow(ii) = 0.
224	guez	99	tsurf_new(ii) = RTT - 1.8
225	guez	154	IF (soil_model) tsoil(ii, :) = RTT - 1.8
226	guez	99	endif
227			enddo
228	guez	54
229	guez	215	CALL calbeta(is_sic, snow, qsol(:knon), beta(:knon), &
230	guez	101	capsol(:knon), dif_grnd(:knon))
231	guez	54
232	guez	99	IF (soil_model) THEN
233	guez	215	CALL soil(dtime, is_sic, snow, tsurf_new, tsoil, soilcap, &
234	guez	208	soilflux)
235	guez	215	cal = RCPD / soilcap
236	guez	207	radsol(1:knon) = radsol(1:knon) + soilflux
237	guez	99	dif_grnd = 0.
238	guez	54	ELSE
239	guez	175	dif_grnd = 1. / tau_gl
240	guez	99	cal = RCPD * calice
241	guez	175	WHERE (snow > 0.) cal = RCPD * calsno
242	guez	54	ENDIF
243	guez	99	tsurf_temp = tsurf_new
244	guez	175	beta = 1.
245	guez	54
246	guez	215	CALL calcul_fluxs(dtime, tsurf_temp, p1lay(:knon), cal, &
247	guez	104	beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
248	guez	116	radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
249			u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
250	guez	206	petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap, &
251	guez	214	fluxlat, flux_t, dflux_s(:knon), dflux_l(:knon))
252	guez	215	CALL fonte_neige(is_sic, dtime, precip_rain(:knon), &
253			precip_snow(:knon), snow, qsol(:knon), tsurf_new, evap, &
254			fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
255	guez	54
256	guez	174	! Compute the albedo:
257	guez	54
258	guez	175	CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
259	guez	215	WHERE (snow < 0.0001) agesno = 0.
260			zfra = MAX(0., MIN(1., snow / (snow + 10.)))
261	guez	175	albedo = alb_neig * zfra + 0.6 * (1. - zfra)
262	guez	54
263	guez	154	fder = fder + dflux_s + dflux_l
264	guez	191	z0_new = SQRT(0.0022 + rugoro2)
265	guez	104	case (is_lic)
266	guez	54	if (.not. allocated(run_off_lic)) then
267	guez	101	allocate(run_off_lic(knon))
268	guez	54	run_off_lic = 0.
269			endif
270
271			! Surface "glacier continentaux" appel a l'interface avec le sol
272
273			IF (soil_model) THEN
274	guez	215	CALL soil(dtime, is_lic, snow, tsurf, tsoil, soilcap, soilflux)
275			cal = RCPD / soilcap
276	guez	207	radsol(1:knon) = radsol(1:knon) + soilflux
277	guez	54	ELSE
278			cal = RCPD * calice
279	guez	175	WHERE (snow > 0.) cal = RCPD * calsno
280	guez	54	ENDIF
281	guez	175	beta = 1.
282			dif_grnd = 0.
283	guez	54
284	guez	215	call calcul_fluxs(dtime, tsurf, p1lay(:knon), cal, &
285	guez	116	beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), &
286			radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), &
287			u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), &
288	guez	206	petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap, &
289	guez	214	fluxlat, flux_t, dflux_s(:knon), dflux_l(:knon))
290	guez	215	call fonte_neige(is_lic, dtime, precip_rain(:knon), &
291			precip_snow(:knon), snow, qsol(:knon), tsurf_new, evap, &
292			fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon))
293	guez	54
294			! calcul albedo
295	guez	175	CALL albsno(dtime, agesno, alb_neig, precip_snow(:knon))
296	guez	215	WHERE (snow < 0.0001) agesno = 0.
297	guez	156	albedo = 0.77
298	guez	54
299			! Rugosite
300			z0_new = rugoro
301	guez	104	case default
302	guez	101	print *, 'Index surface = ', nisurf
303	guez	175	call abort_gcm("interfsurf_hq", 'Index surface non valable')
304	guez	104	end select
305	guez	54
306			END SUBROUTINE interfsurf_hq
307
308			end module interfsurf_hq_m