phylmd/Interface_surf/interfsurf_hq.f

module interfsurf_hq_m

  implicit none

contains

  SUBROUTINE interfsurf_hq(julien, mu0, nisurf, knindex, debut, tsoil, qsol, &
       u1_lay, v1_lay, temp_air, spechum, tq_cdrag, tAcoef, qAcoef, tBcoef, &
       qBcoef, 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 conf_interface_m, ONLY: conf_interface
    USE interfsur_lim_m, ONLY: interfsur_lim
    use limit_read_sst_m, only: limit_read_sst
    use soil_m, only: soil
    USE suphec_m, ONLY: rcpd, rtt

    integer, intent(IN):: julien ! jour dans l'annee en cours
    real, intent(IN):: mu0(:) ! (knon) 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, intent(IN):: temp_air(:) ! (knon) temperature de l'air 1ere couche
    real, intent(IN):: spechum(:) ! (knon) humidite specifique 1ere couche
    real, intent(IN):: tq_cdrag(:) ! (knon) coefficient d'echange

    real, intent(IN):: tAcoef(:), qAcoef(:) ! (knon)
    ! coefficients A de la r\'esolution de la couche limite pour t et q

    real, intent(IN):: tBcoef(:), qBcoef(:) ! (knon)
    ! coefficients B de la r\'esolution de la couche limite pour t et q

    real, intent(IN):: precip_rain(:) ! (knon)
    ! precipitation, liquid water mass flux (kg / m2 / s), positive down

    real, intent(IN):: precip_snow(:) ! (knon)
    ! precipitation, solid water mass flux (kg / m2 / s), positive down

    real, intent(IN):: rugos(:) ! (knon) rugosite
    real, intent(IN):: rugoro(:) ! (knon) rugosite orographique
    real, intent(INOUT):: snow(:) ! (knon)
    real, intent(OUT):: qsurf(:) ! (knon)
    real, intent(IN):: ts(:) ! (knon) temp\'erature de surface
    real, intent(IN):: p1lay(:) ! (knon) pression 1er niveau (milieu de couche)
    real, intent(IN):: ps(:) ! (knon) 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(:) ! (knon) surface roughness

    real, intent(in):: pctsrf_new_sic(:) ! (knon) 
    ! nouvelle repartition des surfaces

    real, intent(INOUT):: agesno(:) ! (knon)

    real, intent(OUT):: fqcalving(:) ! (knon)
    ! Flux d'eau "perdue" par la surface et n\'ecessaire pour limiter la
    ! hauteur de neige, en kg / m2 / s

    real, intent(OUT):: ffonte(:) ! (knon)
    ! flux thermique utilis\'e pour fondre la neige

    real, intent(INOUT):: run_off_lic_0(:) ! (knon)
    ! 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 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 sch\'emas de surfaces
    ! continentales car l'oc\'ean a besoin du ruissellement.

    if (first_call) then
       call conf_interface

       if (nisurf /= is_ter .and. klon > 1) then
          print *, ' nisurf = ', nisurf, ' /= is_ter = ', is_ter
          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'oc\'ean doit \^etre trait\'e avant la banquise.")
       endif

       first_call = .false.
    endif

    ! 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(julien, knindex, debut, albedo, z0_new)

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

       CALL calcul_fluxs(ts, p1lay, cal, beta, tq_cdrag, ps, qsurf, &
            radsol + soilflux, temp_air, spechum, u1_lay, v1_lay, tAcoef, &
            qAcoef, tBcoef, qBcoef, tsurf_new, evap, fluxlat, flux_t, dflux_s, &
            dflux_l, dif_grnd = 0.)
       CALL fonte_neige(is_ter, precip_rain, precip_snow, snow, qsol, &
            tsurf_new, evap, fqcalving, ffonte, run_off_lic_0)

       call albsno(agesno, alb_neig, precip_snow)
       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

       ffonte = 0.
       call limit_read_sst(julien, knindex, tsurf)
       cal = 0.
       beta = 1.
       call calcul_fluxs(tsurf, p1lay, cal, beta, tq_cdrag, ps, qsurf, radsol, &
            temp_air, spechum, u1_lay, v1_lay, tAcoef, qAcoef, tBcoef, qBcoef, &
            tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l, dif_grnd = 0.)
       agesno = 0.
       albedo = alboc_cd(mu0) * 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(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(is_sic, snow, tsurf_new, tsoil, soilcap, soilflux)
       cal = RCPD / soilcap
       tsurf = tsurf_new
       beta = 1.
       CALL calcul_fluxs(tsurf, p1lay, cal, beta, tq_cdrag, ps, qsurf, &
            radsol + soilflux, temp_air, spechum, u1_lay, v1_lay, tAcoef, &
            qAcoef, tBcoef, qBcoef, tsurf_new, evap, fluxlat, flux_t, dflux_s, &
            dflux_l, dif_grnd = 1. / tau_gl)
       CALL fonte_neige(is_sic, precip_rain, precip_snow, snow, qsol, &
            tsurf_new, evap, fqcalving, ffonte, run_off_lic_0)

       ! Compute the albedo:

       CALL albsno(agesno, alb_neig, precip_snow)
       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(is_lic, snow, ts, tsoil, soilcap, soilflux)
       cal = RCPD / soilcap
       beta = 1.
       call calcul_fluxs(ts, p1lay, cal, beta, tq_cdrag, ps, qsurf, &
            radsol + soilflux, temp_air, spechum, u1_lay, v1_lay, tAcoef, &
            qAcoef, tBcoef, qBcoef, tsurf_new, evap, fluxlat, flux_t, dflux_s, &
            dflux_l, dif_grnd = 0.)
       call fonte_neige(is_lic, precip_rain, precip_snow, snow, qsol, &
            tsurf_new, evap, fqcalving, ffonte, run_off_lic_0)

       ! calcul albedo
       CALL albsno(agesno, alb_neig, precip_snow)
       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	300	SUBROUTINE interfsurf_hq(julien, mu0, nisurf, knindex, debut, tsoil, qsol, &
8	guez	299	u1_lay, v1_lay, temp_air, spechum, tq_cdrag, tAcoef, qAcoef, tBcoef, &
9			qBcoef, precip_rain, precip_snow, rugos, rugoro, snow, qsurf, ts, &
10			p1lay, ps, radsol, evap, flux_t, fluxlat, dflux_l, dflux_s, tsurf_new, &
11			albedo, z0_new, pctsrf_new_sic, agesno, fqcalving, ffonte, run_off_lic_0)
12	guez	54
13	guez	150	! Cette routine sert d'aiguillage entre l'atmosph\`ere et la surface
14			! en g\'en\'eral (sols continentaux, oc\'eans, glaces) pour les flux de
15			! chaleur et d'humidit\'e.
16	guez	54
17	guez	104	! Laurent Fairhead, February 2000
18	guez	54
19	guez	72	USE abort_gcm_m, ONLY: abort_gcm
20	guez	154	use alboc_cd_m, only: alboc_cd
21	guez	72	USE albsno_m, ONLY: albsno
22			USE calcul_fluxs_m, ONLY: calcul_fluxs
23	guez	98	USE dimphy, ONLY: klon
24	guez	72	USE fonte_neige_m, ONLY: fonte_neige
25	guez	207	USE indicesol, ONLY: epsfra, is_lic, is_oce, is_sic, is_ter
26	guez	297	USE conf_interface_m, ONLY: conf_interface
27	guez	72	USE interfsur_lim_m, ONLY: interfsur_lim
28	guez	293	use limit_read_sst_m, only: limit_read_sst
29	guez	101	use soil_m, only: soil
30	guez	178	USE suphec_m, ONLY: rcpd, rtt
31	guez	54
32	guez	221	integer, intent(IN):: julien ! jour dans l'annee en cours
33	guez	300	real, intent(IN):: mu0(:) ! (knon) cosinus de l'angle solaire zenithal
34	guez	101	integer, intent(IN):: nisurf ! index de la surface a traiter
35
36	guez	106	integer, intent(in):: knindex(:) ! (knon)
37	guez	101	! index des points de la surface a traiter
38
39			logical, intent(IN):: debut ! 1er appel a la physique
40	guez	54	! (si false calcul simplifie des fluxs sur les continents)
41	guez	101
42	guez	208	REAL, intent(inout):: tsoil(:, :) ! (knon, nsoilmx)
43	guez	101
44	guez	225	REAL, intent(INOUT):: qsol(:) ! (knon)
45	guez	101	! column-density of water in soil, in kg m-2
46
47	guez	225	real, intent(IN):: u1_lay(:), v1_lay(:) ! (knon) vitesse 1ere couche
48
49	guez	281	real, intent(IN):: temp_air(:) ! (knon) temperature de l'air 1ere couche
50			real, intent(IN):: spechum(:) ! (knon) humidite specifique 1ere couche
51	guez	230	real, intent(IN):: tq_cdrag(:) ! (knon) coefficient d'echange
52	guez	215
53	guez	299	real, intent(IN):: tAcoef(:), qAcoef(:) ! (knon)
54	guez	215	! coefficients A de la r\'esolution de la couche limite pour t et q
55
56	guez	299	real, intent(IN):: tBcoef(:), qBcoef(:) ! (knon)
57	guez	215	! coefficients B de la r\'esolution de la couche limite pour t et q
58	guez	101
59	guez	300	real, intent(IN):: precip_rain(:) ! (knon)
60	guez	175	! precipitation, liquid water mass flux (kg / m2 / s), positive down
61	guez	101
62	guez	300	real, intent(IN):: precip_snow(:) ! (knon)
63	guez	175	! precipitation, solid water mass flux (kg / m2 / s), positive down
64	guez	101
65	guez	282	real, intent(IN):: rugos(:) ! (knon) rugosite
66			real, intent(IN):: rugoro(:) ! (knon) rugosite orographique
67	guez	215	real, intent(INOUT):: snow(:) ! (knon)
68	guez	283	real, intent(OUT):: qsurf(:) ! (knon)
69	guez	221	real, intent(IN):: ts(:) ! (knon) temp\'erature de surface
70	guez	281	real, intent(IN):: p1lay(:) ! (knon) pression 1er niveau (milieu de couche)
71	guez	280	real, intent(IN):: ps(:) ! (knon) pression au sol
72	guez	267	REAL, INTENT(IN):: radsol(:) ! (knon) rayonnement net au sol (LW + SW)
73	guez	206	real, intent(OUT):: evap(:) ! (knon) evaporation totale
74	guez	214
75	guez	206	real, intent(OUT):: flux_t(:) ! (knon) flux de chaleur sensible
76	guez	214	! (Cp T) à la surface, positif vers le bas, W / m2
77	guez	267
78	guez	214	real, intent(OUT):: fluxlat(:) ! (knon) flux de chaleur latente
79	guez	222	real, intent(OUT):: dflux_l(:), dflux_s(:) ! (knon)
80	guez	207	real, intent(OUT):: tsurf_new(:) ! (knon) temp\'erature au sol
81	guez	156	real, intent(OUT):: albedo(:) ! (knon) albedo
82	guez	282	real, intent(OUT):: z0_new(:) ! (knon) surface roughness
83	guez	202
84	guez	300	real, intent(in):: pctsrf_new_sic(:) ! (knon)
85	guez	202	! nouvelle repartition des surfaces
86
87	guez	175	real, intent(INOUT):: agesno(:) ! (knon)
88	guez	54
89	guez	282	real, intent(OUT):: fqcalving(:) ! (knon)
90	guez	215	! Flux d'eau "perdue" par la surface et n\'ecessaire pour limiter la
91	guez	175	! hauteur de neige, en kg / m2 / s
92	guez	99
93	guez	300	real, intent(OUT):: ffonte(:) ! (knon)
94			! flux thermique utilis\'e pour fondre la neige
95	guez	99
96	guez	300	real, intent(INOUT):: run_off_lic_0(:) ! (knon)
97	guez	99	! run_off_lic_0 runoff glacier du pas de temps precedent
98
99			! Local:
100	guez	222	integer knon ! nombre de points de la surface a traiter
101			REAL soilcap(size(knindex)) ! (knon)
102			REAL soilflux(size(knindex)) ! (knon)
103	guez	175	logical:: first_call = .true.
104			integer ii
105	guez	222	real cal(size(knindex)) ! (knon)
106			real beta(size(knindex)) ! (knon) evap reelle
107			real tsurf(size(knindex)) ! (knon)
108			real alb_neig(size(knindex)) ! (knon)
109			real zfra(size(knindex)) ! (knon)
110	guez	208	REAL, PARAMETER:: fmagic = 1. ! facteur magique pour r\'egler l'alb\'edo
111	guez	268	REAL, PARAMETER:: max_eau_sol = 150. ! in kg m-2
112	guez	269	REAL, PARAMETER:: tau_gl = 86400. * 5.
113	guez	54
114			!-------------------------------------------------------------
115
116	guez	222	knon = size(knindex)
117	guez	267
118	guez	299	! On doit commencer par appeler les sch\'emas de surfaces
119			! continentales car l'oc\'ean a besoin du ruissellement.
120	guez	54
121			if (first_call) then
122	guez	72	call conf_interface
123	guez	175
124	guez	54	if (nisurf /= is_ter .and. klon > 1) then
125	guez	101	print *, ' nisurf = ', nisurf, ' /= is_ter = ', is_ter
126	guez	175	call abort_gcm("interfsurf_hq", &
127	guez	299	'On doit commencer par les surfaces continentales.')
128	guez	54	endif
129	guez	175
130	guez	101	if (is_oce > is_sic) then
131	guez	175	print *, 'is_oce = ', is_oce, '> is_sic = ', is_sic
132			call abort_gcm("interfsurf_hq", &
133	guez	299	"L'oc\'ean doit \^etre trait\'e avant la banquise.")
134	guez	54	endif
135	guez	175
136			first_call = .false.
137	guez	54	endif
138
139			! Aiguillage vers les differents schemas de surface
140
141	guez	104	select case (nisurf)
142			case (is_ter)
143	guez	171	! Surface "terre", appel \`a l'interface avec les sols continentaux
144	guez	54
145			! Calcul age de la neige
146
147	guez	174	! Read albedo from the file containing boundary conditions then
148			! add the albedo of snow:
149
150	guez	299	call interfsur_lim(julien, knindex, debut, albedo, z0_new)
151	guez	54
152	guez	268	beta = min(2. * qsol / max_eau_sol, 1.)
153	guez	299	CALL soil(is_ter, snow, ts, tsoil, soilcap, soilflux)
154	guez	267	cal = RCPD / soilcap
155	guez	171
156	guez	299	CALL calcul_fluxs(ts, p1lay, cal, beta, tq_cdrag, ps, qsurf, &
157	guez	300	radsol + soilflux, temp_air, spechum, u1_lay, v1_lay, tAcoef, &
158			qAcoef, tBcoef, qBcoef, tsurf_new, evap, fluxlat, flux_t, dflux_s, &
159			dflux_l, dif_grnd = 0.)
160			CALL fonte_neige(is_ter, precip_rain, precip_snow, snow, qsol, &
161			tsurf_new, evap, fqcalving, ffonte, run_off_lic_0)
162	guez	54
163	guez	300	call albsno(agesno, alb_neig, precip_snow)
164	guez	215	where (snow < 0.0001) agesno = 0.
165			zfra = max(0., min(1., snow / (snow + 10.)))
166	guez	174	albedo = alb_neig * zfra + albedo * (1. - zfra)
167	guez	101	z0_new = sqrt(z0_new2 + rugoro2)
168	guez	104	case (is_oce)
169	guez	175	! Surface "oc\'ean", appel \`a l'interface avec l'oc\'ean
170
171	guez	300	ffonte = 0.
172	guez	293	call limit_read_sst(julien, knindex, tsurf)
173	guez	54	cal = 0.
174			beta = 1.
175	guez	299	call calcul_fluxs(tsurf, p1lay, cal, beta, tq_cdrag, ps, qsurf, radsol, &
176	guez	300	temp_air, spechum, u1_lay, v1_lay, tAcoef, qAcoef, tBcoef, qBcoef, &
177			tsurf_new, evap, fluxlat, flux_t, dflux_s, dflux_l, dif_grnd = 0.)
178	guez	54	agesno = 0.
179	guez	300	albedo = alboc_cd(mu0) * fmagic
180	guez	54	z0_new = sqrt(rugos2 + rugoro2)
181	guez	279	fqcalving = 0.
182	guez	104	case (is_sic)
183	guez	54	! Surface "glace de mer" appel a l'interface avec l'ocean
184
185	guez	99	DO ii = 1, knon
186	guez	300	IF (pctsrf_new_sic(ii) < EPSFRA) then
187	guez	175	snow(ii) = 0.
188	guez	99	tsurf_new(ii) = RTT - 1.8
189	guez	267	tsoil(ii, :) = RTT - 1.8
190	guez	221	else
191			tsurf_new(ii) = ts(ii)
192	guez	99	endif
193			enddo
194	guez	54
195	guez	299	CALL soil(is_sic, snow, tsurf_new, tsoil, soilcap, soilflux)
196	guez	267	cal = RCPD / soilcap
197	guez	222	tsurf = tsurf_new
198	guez	175	beta = 1.
199	guez	299	CALL calcul_fluxs(tsurf, p1lay, cal, beta, tq_cdrag, ps, qsurf, &
200	guez	300	radsol + soilflux, temp_air, spechum, u1_lay, v1_lay, tAcoef, &
201			qAcoef, tBcoef, qBcoef, tsurf_new, evap, fluxlat, flux_t, dflux_s, &
202			dflux_l, dif_grnd = 1. / tau_gl)
203			CALL fonte_neige(is_sic, precip_rain, precip_snow, snow, qsol, &
204			tsurf_new, evap, fqcalving, ffonte, run_off_lic_0)
205	guez	54
206	guez	174	! Compute the albedo:
207	guez	54
208	guez	300	CALL albsno(agesno, alb_neig, precip_snow)
209	guez	215	WHERE (snow < 0.0001) agesno = 0.
210			zfra = MAX(0., MIN(1., snow / (snow + 10.)))
211	guez	175	albedo = alb_neig * zfra + 0.6 * (1. - zfra)
212	guez	54
213	guez	191	z0_new = SQRT(0.0022 + rugoro2)
214	guez	104	case (is_lic)
215	guez	54	! Surface "glacier continentaux" appel a l'interface avec le sol
216
217	guez	299	CALL soil(is_lic, snow, ts, tsoil, soilcap, soilflux)
218	guez	267	cal = RCPD / soilcap
219	guez	175	beta = 1.
220	guez	299	call calcul_fluxs(ts, p1lay, cal, beta, tq_cdrag, ps, qsurf, &
221	guez	300	radsol + soilflux, temp_air, spechum, u1_lay, v1_lay, tAcoef, &
222			qAcoef, tBcoef, qBcoef, tsurf_new, evap, fluxlat, flux_t, dflux_s, &
223			dflux_l, dif_grnd = 0.)
224			call fonte_neige(is_lic, precip_rain, precip_snow, snow, qsol, &
225			tsurf_new, evap, fqcalving, ffonte, run_off_lic_0)
226	guez	54
227			! calcul albedo
228	guez	300	CALL albsno(agesno, alb_neig, precip_snow)
229	guez	215	WHERE (snow < 0.0001) agesno = 0.
230	guez	156	albedo = 0.77
231	guez	54
232			! Rugosite
233			z0_new = rugoro
234	guez	104	case default
235	guez	101	print *, 'Index surface = ', nisurf
236	guez	175	call abort_gcm("interfsurf_hq", 'Index surface non valable')
237	guez	104	end select
238	guez	54
239			END SUBROUTINE interfsurf_hq
240
241			end module interfsurf_hq_m