1 |
module interfsurf_hq_m |
2 |
|
3 |
implicit none |
4 |
|
5 |
contains |
6 |
|
7 |
SUBROUTINE interfsurf_hq(itime, dtime, jour, rmu0, nisurf, knon, knindex, & |
8 |
pctsrf, rlat, debut, nsoilmx, tsoil, qsol, u1_lay, v1_lay, temp_air, & |
9 |
spechum, tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, & |
10 |
precip_rain, precip_snow, fder, rugos, rugoro, snow, qsurf, tsurf, & |
11 |
p1lay, ps, radsol, evap, fluxsens, fluxlat, dflux_l, dflux_s, & |
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tsurf_new, alb_new, alblw, z0_new, pctsrf_new, agesno, fqcalving, & |
13 |
ffonte, run_off_lic_0, flux_o, flux_g) |
14 |
|
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! Cette routine sert d'aiguillage entre l'atmosphère et la surface |
16 |
! en général (sols continentaux, océans, glaces) pour les flux de |
17 |
! chaleur et d'humidité. |
18 |
|
19 |
! Laurent Fairhead, February 2000 |
20 |
|
21 |
USE abort_gcm_m, ONLY: abort_gcm |
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, nbsrf |
29 |
USE interface_surf, ONLY: run_off, run_off_lic, conf_interface |
30 |
USE interfoce_lim_m, ONLY: interfoce_lim |
31 |
USE interfsur_lim_m, ONLY: interfsur_lim |
32 |
use soil_m, only: soil |
33 |
USE suphec_m, ONLY: rcpd, rlstt, rlvtt, rtt |
34 |
|
35 |
integer, intent(IN):: itime ! numero du pas de temps |
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(klon) |
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! index des points de la surface a traiter |
44 |
|
45 |
real, intent(IN):: pctsrf(klon, nbsrf) |
46 |
! tableau des pourcentages de surface de chaque maille |
47 |
|
48 |
real, intent(IN):: rlat(klon) ! latitudes |
49 |
|
50 |
logical, intent(IN):: debut ! 1er appel a la physique |
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! (si false calcul simplifie des fluxs sur les continents) |
52 |
|
53 |
integer, intent(in):: nsoilmx |
54 |
REAL tsoil(klon, nsoilmx) |
55 |
|
56 |
REAL, intent(INOUT):: qsol(klon) |
57 |
! column-density of water in soil, in kg m-2 |
58 |
|
59 |
real, dimension(klon), intent(IN):: u1_lay, v1_lay |
60 |
! u1_lay vitesse u 1ere couche |
61 |
! v1_lay vitesse v 1ere couche |
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real, dimension(klon), intent(IN):: temp_air, spechum |
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! temp_air temperature de l'air 1ere couche |
64 |
! spechum humidite specifique 1ere couche |
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real, dimension(klon), intent(INOUT):: tq_cdrag |
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! tq_cdrag cdrag |
67 |
real, dimension(klon), intent(IN):: petAcoef, peqAcoef |
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! petAcoef coeff. A de la resolution de la CL pour t |
69 |
! peqAcoef coeff. A de la resolution de la CL pour q |
70 |
real, dimension(klon), intent(IN):: petBcoef, peqBcoef |
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! petBcoef coeff. B de la resolution de la CL pour t |
72 |
! peqBcoef coeff. B de la resolution de la CL pour q |
73 |
|
74 |
real, intent(IN):: precip_rain(klon) |
75 |
! precipitation, liquid water mass flux (kg/m2/s), positive down |
76 |
|
77 |
real, intent(IN):: precip_snow(klon) |
78 |
! precipitation, solid water mass flux (kg/m2/s), positive down |
79 |
|
80 |
REAL, DIMENSION(klon), INTENT(INOUT):: fder |
81 |
! fder derivee des flux (pour le couplage) |
82 |
real, dimension(klon), intent(IN):: rugos, rugoro |
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! rugos rugosite |
84 |
! rugoro rugosite orographique |
85 |
real, intent(INOUT):: snow(klon), qsurf(klon) |
86 |
real, intent(IN):: tsurf(:) ! (knon) température de surface |
87 |
real, dimension(klon), intent(IN):: p1lay |
88 |
! p1lay pression 1er niveau (milieu de couche) |
89 |
real, dimension(klon), intent(IN):: ps |
90 |
! ps pression au sol |
91 |
REAL, DIMENSION(klon), INTENT(INOUT):: radsol |
92 |
! radsol rayonnement net aus sol (LW + SW) |
93 |
real, dimension(klon), intent(INOUT):: evap |
94 |
! evap evaporation totale |
95 |
real, dimension(klon), intent(OUT):: fluxsens, fluxlat |
96 |
! fluxsens flux de chaleur sensible |
97 |
! fluxlat flux de chaleur latente |
98 |
real, dimension(klon), intent(OUT):: dflux_l, dflux_s |
99 |
real, intent(OUT):: tsurf_new(knon) ! température au sol |
100 |
real, intent(OUT):: alb_new(klon) ! albedo |
101 |
real, dimension(klon), intent(OUT):: alblw |
102 |
real, dimension(klon), intent(OUT):: z0_new |
103 |
! z0_new surface roughness |
104 |
real, dimension(klon, nbsrf), intent(OUT):: pctsrf_new |
105 |
! pctsrf_new nouvelle repartition des surfaces |
106 |
real, dimension(klon), intent(INOUT):: agesno |
107 |
|
108 |
! Flux d'eau "perdue" par la surface et nécessaire pour que limiter la |
109 |
! hauteur de neige, en kg/m2/s |
110 |
!jld a rajouter real, dimension(klon), intent(INOUT):: fqcalving |
111 |
real, dimension(klon), intent(INOUT):: fqcalving |
112 |
|
113 |
! Flux thermique utiliser pour fondre la neige |
114 |
!jld a rajouter real, dimension(klon), intent(INOUT):: ffonte |
115 |
real, dimension(klon), intent(INOUT):: ffonte |
116 |
|
117 |
real, dimension(klon), intent(INOUT):: run_off_lic_0 |
118 |
! run_off_lic_0 runoff glacier du pas de temps precedent |
119 |
|
120 |
!IM: "slab" ocean |
121 |
real, dimension(klon), intent(OUT):: flux_o, flux_g |
122 |
|
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! Local: |
124 |
|
125 |
REAL, dimension(klon):: soilcap |
126 |
REAL, dimension(klon):: soilflux |
127 |
|
128 |
!IM: "slab" ocean |
129 |
real, parameter:: t_grnd=271.35 |
130 |
real, dimension(klon):: zx_sl |
131 |
integer i |
132 |
|
133 |
character (len = 20), save:: modname = 'interfsurf_hq' |
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character (len = 80):: abort_message |
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logical, save:: first_call = .true. |
136 |
integer:: ii |
137 |
real, dimension(klon):: cal, beta, dif_grnd, capsol |
138 |
real, parameter:: calice=1.0/(5.1444e6 * 0.15), tau_gl=86400.*5. |
139 |
real, parameter:: calsno=1./(2.3867e6 * 0.15) |
140 |
real tsurf_temp(knon) |
141 |
real, dimension(klon):: alb_neig, alb_eau |
142 |
real, DIMENSION(klon):: zfra |
143 |
INTEGER, dimension(1):: iloc |
144 |
real, dimension(klon):: fder_prev |
145 |
|
146 |
!------------------------------------------------------------- |
147 |
|
148 |
! On doit commencer par appeler les schemas de surfaces continentales |
149 |
! car l'ocean a besoin du ruissellement qui est y calcule |
150 |
|
151 |
if (first_call) then |
152 |
call conf_interface |
153 |
if (nisurf /= is_ter .and. klon > 1) then |
154 |
print *, ' Warning:' |
155 |
print *, ' nisurf = ', nisurf, ' /= is_ter = ', is_ter |
156 |
print *, 'or on doit commencer par les surfaces continentales' |
157 |
abort_message='voir ci-dessus' |
158 |
call abort_gcm(modname, abort_message, 1) |
159 |
endif |
160 |
if (is_oce > is_sic) then |
161 |
print *, 'Warning:' |
162 |
print *, ' Pour des raisons de sequencement dans le code' |
163 |
print *, ' l''ocean doit etre traite avant la banquise' |
164 |
print *, ' or is_oce = ', is_oce, '> is_sic = ', is_sic |
165 |
abort_message='voir ci-dessus' |
166 |
call abort_gcm(modname, abort_message, 1) |
167 |
endif |
168 |
endif |
169 |
first_call = .false. |
170 |
|
171 |
! Initialisations diverses |
172 |
|
173 |
ffonte(1:knon)=0. |
174 |
fqcalving(1:knon)=0. |
175 |
cal = 999999. |
176 |
beta = 999999. |
177 |
dif_grnd = 999999. |
178 |
capsol = 999999. |
179 |
alb_new = 999999. |
180 |
z0_new = 999999. |
181 |
alb_neig = 999999. |
182 |
tsurf_new = 999999. |
183 |
alblw = 999999. |
184 |
|
185 |
!IM: "slab" ocean; initialisations |
186 |
flux_o = 0. |
187 |
flux_g = 0. |
188 |
|
189 |
! Aiguillage vers les differents schemas de surface |
190 |
|
191 |
select case (nisurf) |
192 |
case (is_ter) |
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! Surface "terre" appel a l'interface avec les sols continentaux |
194 |
|
195 |
! allocation du run-off |
196 |
if (.not. allocated(run_off)) then |
197 |
allocate(run_off(knon)) |
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run_off = 0. |
199 |
else if (size(run_off) /= knon) then |
200 |
print *, 'Bizarre, le nombre de points continentaux' |
201 |
print *, 'a change entre deux appels. J''arrete ' |
202 |
abort_message='voir ci-dessus' |
203 |
call abort_gcm(modname, abort_message, 1) |
204 |
endif |
205 |
|
206 |
! Calcul age de la neige |
207 |
|
208 |
! calcul albedo: lecture albedo fichier boundary conditions |
209 |
! puis ajout albedo neige |
210 |
call interfsur_lim(itime, dtime, jour, nisurf, knon, knindex, & |
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debut, alb_new, z0_new) |
212 |
|
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! calcul snow et qsurf, hydrol adapté |
214 |
CALL calbeta(nisurf, snow(:knon), qsol(:knon), beta(:knon), & |
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capsol(:knon), dif_grnd(:knon)) |
216 |
|
217 |
IF (soil_model) THEN |
218 |
CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux) |
219 |
cal(1:knon) = RCPD / soilcap(1:knon) |
220 |
radsol(1:knon) = radsol(1:knon) + soilflux(:knon) |
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ELSE |
222 |
cal = RCPD * capsol |
223 |
ENDIF |
224 |
CALL calcul_fluxs(nisurf, dtime, tsurf, p1lay(:knon), cal(:knon), beta(:knon), & |
225 |
tq_cdrag(:knon), ps(:knon), qsurf(:knon), radsol(:knon), & |
226 |
dif_grnd(:knon), temp_air(:knon), spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), & |
227 |
petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap(:knon), fluxlat(:knon), fluxsens(:knon), dflux_s(:knon), & |
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dflux_l(:knon)) |
229 |
|
230 |
CALL fonte_neige(nisurf, dtime, tsurf, p1lay(:knon), beta(:knon), & |
231 |
tq_cdrag(:knon), ps(:knon), precip_rain(:knon), precip_snow(:knon), snow(:knon), qsol(:knon), & |
232 |
temp_air(:knon), spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), & |
233 |
peqBcoef(:knon), tsurf_new, evap(:knon), fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon)) |
234 |
|
235 |
call albsno(klon, knon, dtime, agesno, alb_neig, precip_snow) |
236 |
where (snow(1 : knon) < 0.0001) agesno(1 : knon) = 0. |
237 |
zfra(1:knon) = max(0.0, min(1.0, snow(1:knon)/(snow(1:knon) + 10.0))) |
238 |
alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + & |
239 |
alb_new(1 : knon)*(1.0-zfra(1:knon)) |
240 |
z0_new = sqrt(z0_new**2 + rugoro**2) |
241 |
alblw(1 : knon) = alb_new(1 : knon) |
242 |
|
243 |
! Remplissage des pourcentages de surface |
244 |
pctsrf_new(:, nisurf) = pctsrf(:, nisurf) |
245 |
case (is_oce) |
246 |
! Surface "ocean" appel à l'interface avec l'océan |
247 |
! lecture conditions limites |
248 |
call interfoce_lim(itime, dtime, jour, klon, knon, knindex, debut, & |
249 |
tsurf_temp, pctsrf_new) |
250 |
|
251 |
cal = 0. |
252 |
beta = 1. |
253 |
dif_grnd = 0. |
254 |
alb_neig = 0. |
255 |
agesno = 0. |
256 |
call calcul_fluxs(nisurf, dtime, tsurf_temp, p1lay(:knon), & |
257 |
cal(:knon), beta(:knon), tq_cdrag(:knon), ps(:knon), & |
258 |
qsurf(:knon), radsol(:knon), dif_grnd(:knon), temp_air(:knon), & |
259 |
spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), & |
260 |
peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), & |
261 |
tsurf_new, evap(:knon), fluxlat(:knon), fluxsens(:knon), & |
262 |
dflux_s(:knon), dflux_l(:knon)) |
263 |
fder_prev = fder |
264 |
fder = fder_prev + dflux_s + dflux_l |
265 |
iloc = maxloc(fder(1:klon)) |
266 |
|
267 |
!IM: flux ocean-atmosphere utile pour le "slab" ocean |
268 |
DO i=1, knon |
269 |
zx_sl(i) = RLVTT |
270 |
if (tsurf_new(i) < RTT) zx_sl(i) = RLSTT |
271 |
flux_o(i) = fluxsens(i)-evap(i)*zx_sl(i) |
272 |
ENDDO |
273 |
|
274 |
! calcul albedo |
275 |
if (minval(rmu0) == maxval(rmu0) .and. minval(rmu0) == -999.999) then |
276 |
CALL alboc(FLOAT(jour), rlat, alb_eau) |
277 |
else ! cycle diurne |
278 |
CALL alboc_cd(rmu0, alb_eau) |
279 |
endif |
280 |
DO ii =1, knon |
281 |
alb_new(ii) = alb_eau(knindex(ii)) |
282 |
enddo |
283 |
|
284 |
z0_new = sqrt(rugos**2 + rugoro**2) |
285 |
alblw(1:knon) = alb_new(1:knon) |
286 |
case (is_sic) |
287 |
! Surface "glace de mer" appel a l'interface avec l'ocean |
288 |
|
289 |
! ! lecture conditions limites |
290 |
CALL interfoce_lim(itime, dtime, jour, klon, knon, knindex, & |
291 |
debut, tsurf_new, pctsrf_new) |
292 |
|
293 |
DO ii = 1, knon |
294 |
tsurf_new(ii) = tsurf(ii) |
295 |
IF (pctsrf_new(knindex(ii), nisurf) < EPSFRA) then |
296 |
snow(ii) = 0.0 |
297 |
tsurf_new(ii) = RTT - 1.8 |
298 |
IF (soil_model) tsoil(ii, :) = RTT -1.8 |
299 |
endif |
300 |
enddo |
301 |
|
302 |
CALL calbeta(nisurf, snow(:knon), qsol(:knon), beta(:knon), & |
303 |
capsol(:knon), dif_grnd(:knon)) |
304 |
|
305 |
IF (soil_model) THEN |
306 |
CALL soil(dtime, nisurf, knon, snow, tsurf_new, tsoil, soilcap, & |
307 |
soilflux) |
308 |
cal(1:knon) = RCPD / soilcap(1:knon) |
309 |
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
310 |
dif_grnd = 0. |
311 |
ELSE |
312 |
dif_grnd = 1.0 / tau_gl |
313 |
cal = RCPD * calice |
314 |
WHERE (snow > 0.0) cal = RCPD * calsno |
315 |
ENDIF |
316 |
tsurf_temp = tsurf_new |
317 |
beta = 1.0 |
318 |
|
319 |
CALL calcul_fluxs(nisurf, dtime, tsurf_temp, p1lay(:knon), cal(:knon), & |
320 |
beta(:knon), tq_cdrag(:knon), ps(:knon), qsurf(:knon), & |
321 |
radsol(:knon), dif_grnd(:knon), temp_air(:knon), spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), & |
322 |
peqAcoef(:knon), petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap(:knon), fluxlat(:knon), fluxsens(:knon), & |
323 |
dflux_s(:knon), dflux_l(:knon)) |
324 |
|
325 |
!IM: flux entre l'ocean et la glace de mer pour le "slab" ocean |
326 |
DO i = 1, knon |
327 |
flux_g(i) = 0.0 |
328 |
IF (cal(i) > 1e-15) flux_g(i) = (tsurf_new(i) - t_grnd) & |
329 |
* dif_grnd(i) * RCPD / cal(i) |
330 |
ENDDO |
331 |
|
332 |
CALL fonte_neige(nisurf, dtime, tsurf_temp, p1lay(:knon), beta(:knon), & |
333 |
tq_cdrag(:knon), ps(:knon), precip_rain(:knon), precip_snow(:knon), snow(:knon), qsol(:knon), & |
334 |
temp_air(:knon), spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), & |
335 |
peqBcoef(:knon), tsurf_new, evap(:knon), fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon)) |
336 |
|
337 |
! calcul albedo |
338 |
|
339 |
CALL albsno(klon, knon, dtime, agesno, alb_neig, precip_snow) |
340 |
WHERE (snow(1 : knon) < 0.0001) agesno(1 : knon) = 0. |
341 |
zfra(1:knon) = MAX(0.0, MIN(1.0, snow(1:knon)/(snow(1:knon) + 10.0))) |
342 |
alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + & |
343 |
0.6 * (1.0-zfra(1:knon)) |
344 |
|
345 |
fder_prev = fder |
346 |
fder = fder_prev + dflux_s + dflux_l |
347 |
|
348 |
iloc = maxloc(fder(1:klon)) |
349 |
|
350 |
! 2eme appel a interfoce pour le cumul et le passage des flux a l'ocean |
351 |
|
352 |
z0_new = 0.002 |
353 |
z0_new = SQRT(z0_new**2 + rugoro**2) |
354 |
alblw(1:knon) = alb_new(1:knon) |
355 |
|
356 |
case (is_lic) |
357 |
if (.not. allocated(run_off_lic)) then |
358 |
allocate(run_off_lic(knon)) |
359 |
run_off_lic = 0. |
360 |
endif |
361 |
|
362 |
! Surface "glacier continentaux" appel a l'interface avec le sol |
363 |
|
364 |
IF (soil_model) THEN |
365 |
CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux) |
366 |
cal(1:knon) = RCPD / soilcap(1:knon) |
367 |
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
368 |
ELSE |
369 |
cal = RCPD * calice |
370 |
WHERE (snow > 0.0) cal = RCPD * calsno |
371 |
ENDIF |
372 |
beta = 1.0 |
373 |
dif_grnd = 0.0 |
374 |
|
375 |
call calcul_fluxs(nisurf, dtime, tsurf, p1lay(:knon), cal(:knon), beta(:knon), & |
376 |
tq_cdrag(:knon), ps(:knon), qsurf(:knon), radsol(:knon), & |
377 |
dif_grnd(:knon), temp_air(:knon), spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), & |
378 |
petBcoef(:knon), peqBcoef(:knon), tsurf_new, evap(:knon), fluxlat(:knon), fluxsens(:knon), dflux_s(:knon), & |
379 |
dflux_l(:knon)) |
380 |
|
381 |
call fonte_neige(nisurf, dtime, tsurf, p1lay(:knon), beta(:knon), & |
382 |
tq_cdrag(:knon), ps(:knon), precip_rain(:knon), precip_snow(:knon), snow(:knon), qsol(:knon), & |
383 |
temp_air(:knon), spechum(:knon), u1_lay(:knon), v1_lay(:knon), petAcoef(:knon), peqAcoef(:knon), petBcoef(:knon), & |
384 |
peqBcoef(:knon), tsurf_new, evap(:knon), fqcalving(:knon), ffonte(:knon), run_off_lic_0(:knon)) |
385 |
|
386 |
! calcul albedo |
387 |
CALL albsno(klon, knon, dtime, agesno, alb_neig, precip_snow) |
388 |
WHERE (snow(1 : knon) < 0.0001) agesno(1 : knon) = 0. |
389 |
zfra(1:knon) = MAX(0.0, MIN(1.0, snow(1:knon)/(snow(1:knon) + 10.0))) |
390 |
alb_new(1 : knon) = alb_neig(1 : knon)*zfra(1:knon) + & |
391 |
0.6 * (1.0-zfra(1:knon)) |
392 |
|
393 |
!IM: plusieurs choix/tests sur l'albedo des "glaciers continentaux" |
394 |
!IM: KstaTER0.77 & LMD_ARMIP6 |
395 |
alb_new(1 : knon) = 0.77 |
396 |
|
397 |
! Rugosite |
398 |
z0_new = rugoro |
399 |
|
400 |
! Remplissage des pourcentages de surface |
401 |
pctsrf_new(:, nisurf) = pctsrf(:, nisurf) |
402 |
|
403 |
alblw(1:knon) = alb_new(1:knon) |
404 |
case default |
405 |
print *, 'Index surface = ', nisurf |
406 |
abort_message = 'Index surface non valable' |
407 |
call abort_gcm(modname, abort_message, 1) |
408 |
end select |
409 |
|
410 |
END SUBROUTINE interfsurf_hq |
411 |
|
412 |
end module interfsurf_hq_m |