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surf_landice_mod.F90 @ 4026

Last change on this file since 4026 was 3975, checked in by fhourdin, 3 years ago
Correction de l'appel a "soil" dans la version isotopique suite à une modification de cette routine dans phhylmd.
File size: 19.9 KB

Line
1	!
2	MODULE surf_landice_mod
3
4	IMPLICIT NONE
5
6	CONTAINS
7	!
8	!****************************************************************************************
9	!
10	SUBROUTINE surf_landice(itime, dtime, knon, knindex, &
11	rlon, rlat, debut, lafin, &
12	rmu0, lwdownm, albedo, pphi1, &
13	swnet, lwnet, tsurf, p1lay, &
14	cdragh, cdragm, precip_rain, precip_snow, temp_air, spechum, &
15	AcoefH, AcoefQ, BcoefH, BcoefQ, &
16	AcoefU, AcoefV, BcoefU, BcoefV, &
17	ps, u1, v1, gustiness, rugoro, pctsrf, &
18	snow, qsurf, qsol, agesno, &
19	tsoil, z0m, z0h, SFRWL, alb_dir, alb_dif, evap, fluxsens, fluxlat, &
20	tsurf_new, dflux_s, dflux_l, &
21	alt, slope, cloudf, &
22	snowhgt, qsnow, to_ice, sissnow, &
23	alb3, runoff, &
24	flux_u1, flux_v1 &
25	#ifdef ISO
26	& ,xtprecip_rain, xtprecip_snow,xtspechum,Rland_ice &
27	& ,xtsnow,xtsol,xtevap &
28	#endif
29	& )
30
31	USE dimphy
32	USE surface_data, ONLY : type_ocean, calice, calsno, landice_opt, iflag_albcalc
33	USE fonte_neige_mod, ONLY : fonte_neige,run_off_lic,fqcalving_global,ffonte_global,fqfonte_global,runofflic_global
34	USE cpl_mod, ONLY : cpl_send_landice_fields
35	USE calcul_fluxs_mod
36	USE phys_output_var_mod
37	#ifdef ISO
38	USE fonte_neige_mod, ONLY : xtrun_off_lic
39	USE infotrac_phy, ONLY : ntraciso,niso
40	USE isotopes_routines_mod, ONLY: calcul_iso_surf_lic_vectall
41	#ifdef ISOVERIF
42	use isotopes_mod, ONLY: iso_eau,ridicule
43	use isotopes_verif_mod
44	#endif
45	#endif
46	USE geometry_mod, ONLY : longitude,latitude
47
48	!FC
49	USE ioipsl_getin_p_mod, ONLY : getin_p
50
51
52	#ifdef CPP_INLANDSIS
53	USE surf_inlandsis_mod, ONLY : surf_inlandsis
54	#endif
55
56	USE indice_sol_mod
57
58
59	! INCLUDE "indicesol.h"
60	INCLUDE "dimsoil.h"
61	INCLUDE "YOMCST.h"
62	INCLUDE "clesphys.h"
63
64	! Input variables
65	!****************************************************************************************
66	INTEGER, INTENT(IN) :: itime, knon
67	INTEGER, DIMENSION(klon), INTENT(in) :: knindex
68	REAL, INTENT(in) :: dtime
69	REAL, DIMENSION(klon), INTENT(IN) :: swnet ! net shortwave radiance
70	REAL, DIMENSION(klon), INTENT(IN) :: lwnet ! net longwave radiance
71	REAL, DIMENSION(klon), INTENT(IN) :: tsurf
72	REAL, DIMENSION(klon), INTENT(IN) :: p1lay
73	REAL, DIMENSION(klon), INTENT(IN) :: cdragh, cdragm
74	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow
75	REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum
76	REAL, DIMENSION(klon), INTENT(IN) :: AcoefH, AcoefQ
77	REAL, DIMENSION(klon), INTENT(IN) :: BcoefH, BcoefQ
78	REAL, DIMENSION(klon), INTENT(IN) :: AcoefU, AcoefV, BcoefU, BcoefV
79	REAL, DIMENSION(klon), INTENT(IN) :: ps
80	REAL, DIMENSION(klon), INTENT(IN) :: u1, v1, gustiness
81	REAL, DIMENSION(klon), INTENT(IN) :: rugoro
82	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
83	#ifdef ISO
84	REAL, DIMENSION(ntraciso,klon), INTENT(IN) :: xtprecip_rain, xtprecip_snow
85	REAL, DIMENSION(ntraciso,klon), INTENT(IN) :: xtspechum
86	#endif
87
88	LOGICAL, INTENT(IN) :: debut !true if first step
89	LOGICAL, INTENT(IN) :: lafin !true if last step
90	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
91	REAL, DIMENSION(klon), INTENT(IN) :: rmu0
92	REAL, DIMENSION(klon), INTENT(IN) :: lwdownm !ylwdown
93	REAL, DIMENSION(klon), INTENT(IN) :: albedo !mean albedo
94	REAL, DIMENSION(klon), INTENT(IN) :: pphi1
95	REAL, DIMENSION(klon), INTENT(IN) :: alt !mean altitude of the grid box
96	REAL, DIMENSION(klon), INTENT(IN) :: slope !mean slope in grid box
97	REAL, DIMENSION(klon), INTENT(IN) :: cloudf !total cloud fraction
98
99	! In/Output variables
100	!****************************************************************************************
101	REAL, DIMENSION(klon), INTENT(INOUT) :: snow, qsol
102	REAL, DIMENSION(klon), INTENT(INOUT) :: agesno
103	REAL, DIMENSION(klon, nsoilmx), INTENT(INOUT) :: tsoil
104	#ifdef ISO
105	REAL, DIMENSION(niso,klon), INTENT(INOUT) :: xtsnow, xtsol
106	REAL, DIMENSION(niso,klon), INTENT(INOUT) :: Rland_ice
107	#endif
108
109	! Output variables
110	!****************************************************************************************
111	REAL, DIMENSION(klon), INTENT(OUT) :: qsurf
112	REAL, DIMENSION(klon), INTENT(OUT) :: z0m, z0h
113	!albedo SB >>>
114	! REAL, DIMENSION(klon), INTENT(OUT) :: alb1 ! new albedo in visible SW interval
115	! REAL, DIMENSION(klon), INTENT(OUT) :: alb2 ! new albedo in near IR interval
116	REAL, DIMENSION(6), INTENT(IN) :: SFRWL
117	REAL, DIMENSION(klon,nsw), INTENT(OUT) :: alb_dir,alb_dif
118	!albedo SB <<<
119	REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat
120	REAL, DIMENSION(klon), INTENT(OUT) :: tsurf_new
121	REAL, DIMENSION(klon), INTENT(OUT) :: dflux_s, dflux_l
122	REAL, DIMENSION(klon), INTENT(OUT) :: flux_u1, flux_v1
123
124	REAL, DIMENSION(klon), INTENT(OUT) :: alb3
125	REAL, DIMENSION(klon), INTENT(OUT) :: qsnow !column water in snow [kg/m2]
126	REAL, DIMENSION(klon), INTENT(OUT) :: snowhgt !Snow height (m)
127	REAL, DIMENSION(klon), INTENT(OUT) :: to_ice
128	REAL, DIMENSION(klon), INTENT(OUT) :: sissnow
129	REAL, DIMENSION(klon), INTENT(OUT) :: runoff !Land ice runoff
130	#ifdef ISO
131	REAL, DIMENSION(ntraciso,klon), INTENT(OUT) :: xtevap
132	! real, DIMENSION(niso,klon) :: xtrun_off_lic_0_diag ! est une variable globale de
133	! fonte_neige
134	#endif
135
136
137	! Local variables
138	!****************************************************************************************
139	REAL, DIMENSION(klon) :: soilcap, soilflux
140	REAL, DIMENSION(klon) :: cal, beta, dif_grnd
141	REAL, DIMENSION(klon) :: zfra, alb_neig
142	REAL, DIMENSION(klon) :: radsol
143	REAL, DIMENSION(klon) :: u0, v0, u1_lay, v1_lay, ustar
144	INTEGER :: i,j,nt
145	REAL, DIMENSION(klon) :: fqfonte,ffonte
146	#ifdef ISO
147	real, parameter :: t_coup = 273.15
148	real, dimension(klon) :: fqfonte_diag
149	real, dimension(klon) :: fq_fonte_diag
150	real, dimension(klon) :: snow_evap_diag
151	real, dimension(klon) :: fqcalving_diag
152	real max_eau_sol_diag
153	real, dimension(klon) :: runoff_diag
154	real, dimension(klon) :: run_off_lic_diag
155	real :: coeff_rel_diag
156	integer ixt
157	REAL, DIMENSION(niso,klon) :: xtsnow_prec,xtsol_prec
158	REAL, DIMENSION(klon) :: snow_prec,qsol_prec
159	! real, DIMENSION(klon) :: run_off_lic_0_diag
160	#endif
161
162	REAL, DIMENSION(klon) :: emis_new !Emissivity
163	REAL, DIMENSION(klon) :: swdown,lwdown
164	REAL, DIMENSION(klon) :: precip_snow_adv, snow_adv !Snow Drift precip./advection (not used in inlandsis)
165	REAL, DIMENSION(klon) :: erod !erosion of surface snow (flux, kg/m2/s like evap)
166	REAL, DIMENSION(klon) :: zsl_height, wind_velo !surface layer height, wind spd
167	REAL, DIMENSION(klon) :: dens_air, snow_cont_air !air density; snow content air
168	REAL, DIMENSION(klon) :: alb_soil !albedo of underlying ice
169	REAL, DIMENSION(klon) :: pexner !Exner potential
170	REAL :: pref
171	REAL, DIMENSION(klon,nsoilmx) :: tsoil0 !modif
172	REAL :: dtis ! subtimestep
173	LOGICAL :: debut_is, lafin_is ! debut and lafin for inlandsis
174
175	CHARACTER (len = 20) :: modname = 'surf_landice'
176	CHARACTER (len = 80) :: abort_message
177
178
179	REAL,DIMENSION(klon) :: alb1,alb2
180	REAL, DIMENSION (klon,6) :: alb6
181	! End definition
182	!****************************************************************************************
183	!FC
184	!FC
185	REAL,SAVE :: alb_vis_sno_lic
186	!$OMP THREADPRIVATE(alb_vis_sno_lic)
187	REAL,SAVE :: alb_nir_sno_lic
188	!$OMP THREADPRIVATE(alb_nir_sno_lic)
189	LOGICAL, SAVE :: firstcall = .TRUE.
190	!$OMP THREADPRIVATE(firstcall)
191
192
193	!FC firtscall initializations
194	!******************************************************************************************
195	#ifdef ISO
196	#ifdef ISOVERIF
197	! write(,) 'surf_land_ice 1499'
198	do i=1,knon
199	if (iso_eau.gt.0) then
200	call iso_verif_egalite_choix(xtsnow(iso_eau,i),snow(i), &
201	& 'surf_land_ice 126',errmax,errmaxrel)
202	endif !if (iso_eau.gt.0) then
203	enddo !do i=1,knon
204	#endif
205	#endif
206
207	IF (firstcall) THEN
208	alb_vis_sno_lic=0.77
209	CALL getin_p('alb_vis_sno_lic',alb_vis_sno_lic)
210	PRINT*, 'alb_vis_sno_lic',alb_vis_sno_lic
211	alb_nir_sno_lic=0.77
212	CALL getin_p('alb_nir_sno_lic',alb_nir_sno_lic)
213	PRINT*, 'alb_nir_sno_lic',alb_nir_sno_lic
214
215	! z0m=1.e-3
216	! z0h = z0m
217	firstcall=.false.
218	ENDIF
219	!******************************************************************************************
220	!
221	! Initialize output variables
222	alb3(:) = 999999.
223	alb2(:) = 999999.
224	alb1(:) = 999999.
225
226	runoff(:) = 0.
227	!****************************************************************************************
228	! Calculate total absorbed radiance at surface
229	!
230	!****************************************************************************************
231	radsol(:) = 0.0
232	radsol(1:knon) = swnet(1:knon) + lwnet(1:knon)
233
234	!****************************************************************************************
235	! landice_opt = 0 : soil_model, calcul_flux, fonte_neige, ...
236	! landice_opt = 1 : prepare and call INterace Lmdz SISvat (INLANDSIS)
237	!****************************************************************************************
238
239
240	IF (landice_opt .EQ. 1) THEN
241
242	!****************************************************************************************
243	! CALL to INLANDSIS interface
244	!****************************************************************************************
245	#ifdef CPP_INLANDSIS
246
247	#ifdef ISO
248	CALL abort_gcm('surf_landice 235','isotopes pas dans INLANDSIS',1)
249	#endif
250
251	debut_is=debut
252	lafin_is=.false.
253	! Suppose zero surface speed
254	u0(:) = 0.0
255	v0(:) = 0.0
256
257
258	CALL calcul_flux_wind(knon, dtime, &
259	u0, v0, u1, v1, gustiness, cdragm, &
260	AcoefU, AcoefV, BcoefU, BcoefV, &
261	p1lay, temp_air, &
262	flux_u1, flux_v1)
263
264
265	! Set constants and compute some input for SISVAT
266	! = 1000 hPa
267	! and calculate incoming flux for SW and LW interval: swdown, lwdown
268	swdown(:) = 0.0
269	lwdown(:) = 0.0
270	snow_cont_air(:) = 0. ! the snow content in air is not a prognostic variable of the model
271	alb_soil(:) = 0.4 ! before albedo(:) but here it is the ice albedo that we have to set
272	ustar(:) = 0.
273	pref = 100000.
274	DO i = 1, knon
275	swdown(i) = swnet(i)/(1-albedo(i))
276	lwdown(i) = lwdownm(i)
277	wind_velo(i) = u1(i)2 + v1(i)2
278	wind_velo(i) = wind_velo(i)**0.5
279	pexner(i) = (p1lay(i)/pref)**(RD/RCPD)
280	dens_air(i) = p1lay(i)/RD/temp_air(i) ! dry air density
281	zsl_height(i) = pphi1(i)/RG
282	tsoil0(i,:) = tsoil(i,:)
283	ustar(i)= (cdragm(i)(wind_velo(i)2))*0.5
284	END DO
285
286
287
288	dtis=dtime
289
290	IF (lafin) THEN
291	lafin_is=.true.
292	END IF
293
294	CALL surf_inlandsis(knon, rlon, rlat, knindex, itime, dtis, debut_is, lafin_is,&
295	rmu0, swdown, lwdown, albedo, pexner, ps, p1lay, precip_rain, precip_snow, &
296	zsl_height, wind_velo, ustar, temp_air, dens_air, spechum, tsurf,&
297	rugoro, snow_cont_air, alb_soil, alt, slope, cloudf, &
298	radsol, qsol, tsoil0, snow, zfra, snowhgt, qsnow, to_ice, sissnow,agesno, &
299	AcoefH, AcoefQ, BcoefH, BcoefQ, cdragm, cdragh, &
300	run_off_lic, fqfonte, ffonte, evap, erod, fluxsens, fluxlat,dflux_s, dflux_l, &
301	tsurf_new, alb1, alb2, alb3, alb6, &
302	emis_new, z0m, z0h, qsurf)
303
304	debut_is=.false.
305
306
307	! Treatment of snow melting and calving
308
309	! for consistency with standard LMDZ, add calving to run_off_lic
310	run_off_lic(:)=run_off_lic(:) + to_ice(:)
311
312	DO i = 1, knon
313	ffonte_global(knindex(i),is_lic) = ffonte(i)
314	fqfonte_global(knindex(i),is_lic) = fqfonte(i)! net melting= melting - refreezing
315	fqcalving_global(knindex(i),is_lic) = to_ice(i) ! flux
316	runofflic_global(knindex(i)) = run_off_lic(i)
317	ENDDO
318	! Here, we assume that the calving term is equal to the to_ice term
319	! (no ice accumulation)
320
321
322	#else
323	abort_message='Pb de coherence: landice_opt = 1 mais CPP_INLANDSIS = .false.'
324	CALL abort_physic(modname,abort_message,1)
325	#endif
326
327
328
329	ELSE
330
331	!****************************************************************************************
332	! Soil calculations
333	!
334	!****************************************************************************************
335
336	! EV: use calbeta
337	CALL calbeta(dtime, is_lic, knon, snow, qsol, beta, cal, dif_grnd)
338
339
340	! use soil model and recalculate properly cal
341	IF (soil_model) THEN
342	CALL soil(dtime, is_lic, knon, snow, tsurf, qsol, &
343	& longitude(knindex(1:knon)), latitude(knindex(1:knon)), tsoil, soilcap, soilflux)
344
345	cal(1:knon) = RCPD / soilcap(1:knon)
346	radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
347	ELSE
348	cal = RCPD * calice
349	WHERE (snow > 0.0) cal = RCPD * calsno
350	ENDIF
351
352
353	!****************************************************************************************
354	! Calulate fluxes
355	!
356	!****************************************************************************************
357	! beta(:) = 1.0
358	! dif_grnd(:) = 0.0
359
360	! Suppose zero surface speed
361	u0(:)=0.0
362	v0(:)=0.0
363	u1_lay(:) = u1(:) - u0(:)
364	v1_lay(:) = v1(:) - v0(:)
365
366	CALL calcul_fluxs(knon, is_lic, dtime, &
367	tsurf, p1lay, cal, beta, cdragh, cdragh, ps, &
368	precip_rain, precip_snow, snow, qsurf, &
369	radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, gustiness, &
370	1.,AcoefH, AcoefQ, BcoefH, BcoefQ, &
371	tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l)
372
373
374	#ifdef ISO
375	! verif
376	#ifdef ISOVERIF
377	write(,) 'surf_land_ice 1499'
378	do i=1,knon
379	if (iso_eau.gt.0) then
380	if (snow(i).gt.ridicule) then
381	call iso_verif_egalite_choix(xtsnow(iso_eau,i),snow(i), &
382	& 'surf_land_ice 1151',errmax,errmaxrel)
383	endif !if ((snow(i).gt.ridicule)) then
384	endif !if (iso_eau.gt.0) then
385	enddo !do i=1,knon
386	#endif
387	!#ifdef ISOVERIF
388
389	do i=1,knon
390	snow_prec(i)=snow(i)
391	do ixt=1,niso
392	xtsnow_prec(ixt,i)=xtsnow(ixt,i)
393	enddo !do ixt=1,niso
394	! initialisation:
395	fq_fonte_diag(i)=0.0
396	fqfonte_diag(i)=0.0
397	snow_evap_diag(i)=0.0
398	enddo !do i=1,knon
399	#endif
400	!#ifdef ISO
401	CALL calcul_flux_wind(knon, dtime, &
402	u0, v0, u1, v1, gustiness, cdragm, &
403	AcoefU, AcoefV, BcoefU, BcoefV, &
404	p1lay, temp_air, &
405	flux_u1, flux_v1)
406
407	!****************************************************************************************
408	! Calculate snow height, age, run-off,..
409	!
410	!****************************************************************************************
411	CALL fonte_neige(knon, is_lic, knindex, dtime, &
412	tsurf, precip_rain, precip_snow, &
413	snow, qsol, tsurf_new, evap &
414	#ifdef ISO
415	& ,fq_fonte_diag,fqfonte_diag,snow_evap_diag,fqcalving_diag &
416	& ,max_eau_sol_diag,runoff_diag,run_off_lic_diag,coeff_rel_diag &
417	#endif
418	& )
419
420
421	#ifdef ISO
422	#ifdef ISOVERIF
423	do i=1,knon
424	if (iso_eau.gt.0) then
425	call iso_verif_egalite_choix(Rland_ice(iso_eau,i),1.0, &
426	& 'surf_landice_mod 217',errmax,errmaxrel)
427	endif !if (iso_eau.gt.0) then
428	enddo !do i=1,knon
429	#endif
430	!#ifdef ISOVERIF
431
432	call calcul_iso_surf_lic_vectall(klon,knon, &
433	& evap,snow_evap_diag,Tsurf_new,snow, &
434	& fq_fonte_diag,fqfonte_diag,dtime,t_coup, &
435	& precip_snow,xtprecip_snow,precip_rain,xtprecip_rain, snow_prec,xtsnow_prec, &
436	& xtspechum,spechum,ps,Rland_ice, &
437	& xtevap,xtsnow,fqcalving_diag, &
438	& knindex,is_lic,run_off_lic_diag,coeff_rel_diag &
439	& )
440
441	! call fonte_neige_export_xtrun_off_lic_0(knon,xtrun_off_lic_0_diag)
442
443	#endif
444	!#ifdef ISO
445
446
447	!****************************************************************************************
448	! Calculate albedo
449	!
450	!****************************************************************************************
451	CALL albsno(klon,knon,dtime,agesno(:),alb_neig(:), precip_snow(:))
452
453	WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0.
454	zfra(1:knon) = MAX(0.0,MIN(1.0,snow(1:knon)/(snow(1:knon)+10.0)))
455	alb1(1:knon) = alb_neig(1:knon)*zfra(1:knon) + &
456	0.6 * (1.0-zfra(1:knon))
457	!
458	!IM: plusieurs choix/tests sur l'albedo des "glaciers continentaux"
459	! alb1(1 : knon) = 0.6 !IM cf FH/GK
460	! alb1(1 : knon) = 0.82
461	! alb1(1 : knon) = 0.77 !211003 Ksta0.77
462	! alb1(1 : knon) = 0.8 !KstaTER0.8 & LMD_ARMIP5
463	!IM: KstaTER0.77 & LMD_ARMIP6
464
465	! Attantion: alb1 and alb2 are not the same!
466	alb1(1:knon) = alb_vis_sno_lic
467	alb2(1:knon) = alb_nir_sno_lic
468
469
470	!****************************************************************************************
471	! Rugosity
472	!
473	!****************************************************************************************
474	z0m=1.e-3
475	z0h = z0m
476	z0m = SQRT(z0m2+rugoro2)
477
478
479
480	END IF ! landice_opt
481
482
483	!****************************************************************************************
484	! Send run-off on land-ice to coupler if coupled ocean.
485	! run_off_lic has been calculated in fonte_neige or surf_inlandsis
486	!
487	!****************************************************************************************
488	IF (type_ocean=='couple') THEN
489	CALL cpl_send_landice_fields(itime, knon, knindex, run_off_lic)
490	ENDIF
491
492	! transfer runoff rate [kg/m2/s](!) to physiq for output
493	runoff(1:knon)=run_off_lic(1:knon)/dtime
494
495
496	!****************************************************************************************
497	! Etienne: comment these lines because of duplication just below
498	! snow_o=0.
499	! zfra_o = 0.
500	! DO j = 1, knon
501	! i = knindex(j)
502	! snow_o(i) = snow(j)
503	! zfra_o(i) = zfra(j)
504	! ENDDO
505	!
506	!****************************************************************************************
507	snow_o=0.
508	zfra_o = 0.
509	DO j = 1, knon
510	i = knindex(j)
511	snow_o(i) = snow(j)
512	zfra_o(i) = zfra(j)
513	ENDDO
514
515
516	!albedo SB >>>
517	select case(NSW)
518	case(2)
519	alb_dir(1:knon,1)=alb1(1:knon)
520	alb_dir(1:knon,2)=alb2(1:knon)
521	case(4)
522	alb_dir(1:knon,1)=alb1(1:knon)
523	alb_dir(1:knon,2)=alb2(1:knon)
524	alb_dir(1:knon,3)=alb2(1:knon)
525	alb_dir(1:knon,4)=alb2(1:knon)
526	case(6)
527	alb_dir(1:knon,1)=alb1(1:knon)
528	alb_dir(1:knon,2)=alb1(1:knon)
529	alb_dir(1:knon,3)=alb1(1:knon)
530	alb_dir(1:knon,4)=alb2(1:knon)
531	alb_dir(1:knon,5)=alb2(1:knon)
532	alb_dir(1:knon,6)=alb2(1:knon)
533
534	IF ((landice_opt .EQ. 1) .AND. (iflag_albcalc .EQ. 2)) THEN
535	alb_dir(1:knon,1)=alb6(1:knon,1)
536	alb_dir(1:knon,2)=alb6(1:knon,2)
537	alb_dir(1:knon,3)=alb6(1:knon,3)
538	alb_dir(1:knon,4)=alb6(1:knon,4)
539	alb_dir(1:knon,5)=alb6(1:knon,5)
540	alb_dir(1:knon,6)=alb6(1:knon,6)
541	ENDIF
542
543	end select
544	alb_dif=alb_dir
545	!albedo SB <<<
546
547
548
549
550	END SUBROUTINE surf_landice
551	!
552	!****************************************************************************************
553	!
554	END MODULE surf_landice_mod
555
556
557

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