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surf_landice_mod.F90

Last change on this file was 3331, checked in by acozic, 7 years ago
Add modification for isotopes
Property svn:executable set to ``*
File size: 18.0 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	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, ok_snow
33	#ifdef ISO
34	USE fonte_neige_mod, ONLY : fonte_neige, run_off_lic, &
35	& xtrun_off_lic
36	USE infotrac_phy, ONLY : ntraciso,niso
37	USE isotopes_routines_mod, ONLY: calcul_iso_surf_lic_vectall
38	#ifdef ISOVERIF
39	use isotopes_mod, ONLY: iso_eau,ridicule
40	use isotopes_verif_mod
41	#endif
42	#else
43	USE fonte_neige_mod, ONLY : fonte_neige, run_off_lic
44	#endif
45	USE cpl_mod, ONLY : cpl_send_landice_fields
46	USE calcul_fluxs_mod
47	USE phys_output_var_mod
48	#ifdef CPP_SISVAT
49	USE surf_sisvat_mod, ONLY : surf_sisvat
50	#endif
51	USE indice_sol_mod
52
53	! INCLUDE "indicesol.h"
54	INCLUDE "dimsoil.h"
55	INCLUDE "YOMCST.h"
56	INCLUDE "clesphys.h"
57
58	! Input variables
59	!****************************************************************************************
60	INTEGER, INTENT(IN) :: itime, knon
61	INTEGER, DIMENSION(klon), INTENT(in) :: knindex
62	REAL, INTENT(in) :: dtime
63	REAL, DIMENSION(klon), INTENT(IN) :: swnet ! net shortwave radiance
64	REAL, DIMENSION(klon), INTENT(IN) :: lwnet ! net longwave radiance
65	REAL, DIMENSION(klon), INTENT(IN) :: tsurf
66	REAL, DIMENSION(klon), INTENT(IN) :: p1lay
67	REAL, DIMENSION(klon), INTENT(IN) :: cdragh, cdragm
68	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow
69	REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum
70	REAL, DIMENSION(klon), INTENT(IN) :: AcoefH, AcoefQ
71	REAL, DIMENSION(klon), INTENT(IN) :: BcoefH, BcoefQ
72	REAL, DIMENSION(klon), INTENT(IN) :: AcoefU, AcoefV, BcoefU, BcoefV
73	REAL, DIMENSION(klon), INTENT(IN) :: ps
74	REAL, DIMENSION(klon), INTENT(IN) :: u1, v1, gustiness
75	REAL, DIMENSION(klon), INTENT(IN) :: rugoro
76	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
77	#ifdef ISO
78	REAL, DIMENSION(ntraciso,klon), INTENT(IN) :: xtprecip_rain, xtprecip_snow
79	REAL, DIMENSION(ntraciso,klon), INTENT(IN) :: xtspechum
80	#endif
81	!! temporaire pour test
82	! REAL, DIMENSION(ntraciso,klon) :: xtprecip_rain, xtprecip_snow
83	! REAL, DIMENSION(ntraciso,klon) :: xtspechum
84
85	LOGICAL, INTENT(IN) :: debut !true if first step
86	LOGICAL, INTENT(IN) :: lafin !true if last step
87	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
88	REAL, DIMENSION(klon), INTENT(IN) :: rmu0
89	REAL, DIMENSION(klon), INTENT(IN) :: lwdownm !ylwdown
90	REAL, DIMENSION(klon), INTENT(IN) :: albedo !mean albedo
91	REAL, DIMENSION(klon), INTENT(IN) :: pphi1
92	REAL, DIMENSION(klon), INTENT(IN) :: slope !mean slope in grid box
93	REAL, DIMENSION(klon), INTENT(IN) :: cloudf !total cloud fraction
94
95	! In/Output variables
96	!****************************************************************************************
97	REAL, DIMENSION(klon), INTENT(INOUT) :: snow, qsol
98	REAL, DIMENSION(klon), INTENT(INOUT) :: agesno
99	REAL, DIMENSION(klon, nsoilmx), INTENT(INOUT) :: tsoil
100	#ifdef ISO
101	REAL, DIMENSION(niso,klon), INTENT(INOUT) :: xtsnow, xtsol
102	REAL, DIMENSION(niso,klon), INTENT(INOUT) :: Rland_ice
103	#endif
104	! ! temporaire pour test
105	! REAL, DIMENSION(niso,klon) :: xtsnow, xtsol
106	! REAL, DIMENSION(niso,klon) :: Rland_ice
107
108	! Output variables
109	!****************************************************************************************
110	REAL, DIMENSION(klon), INTENT(OUT) :: qsurf
111	REAL, DIMENSION(klon), INTENT(OUT) :: z0m, z0h
112	!albedo SB >>>
113	! REAL, DIMENSION(klon), INTENT(OUT) :: alb1 ! new albedo in visible SW interval
114	! REAL, DIMENSION(klon), INTENT(OUT) :: alb2 ! new albedo in near IR interval
115	REAL, DIMENSION(6), INTENT(IN) ::SFRWL
116	REAL, DIMENSION(klon,nsw), INTENT(OUT) ::alb_dir,alb_dif
117	!albedo SB <<<
118	REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat
119	REAL, DIMENSION(klon), INTENT(OUT) :: tsurf_new
120	REAL, DIMENSION(klon), INTENT(OUT) :: dflux_s, dflux_l
121	REAL, DIMENSION(klon), INTENT(OUT) :: flux_u1, flux_v1
122
123	REAL, DIMENSION(klon), INTENT(OUT) :: alb3
124	REAL, DIMENSION(klon), INTENT(OUT) :: qsnow !column water in snow [kg/m2]
125	REAL, DIMENSION(klon), INTENT(OUT) :: snowhgt !Snow height (m)
126	REAL, DIMENSION(klon), INTENT(OUT) :: to_ice
127	REAL, DIMENSION(klon), INTENT(OUT) :: sissnow
128	REAL, DIMENSION(klon), INTENT(OUT) :: runoff !Land ice runoff
129	#ifdef ISO
130	REAL, DIMENSION(ntraciso,klon), INTENT(OUT) :: xtevap
131	! real, DIMENSION(niso,klon) :: xtrun_off_lic_0_diag ! est une variable globale de
132	! fonte_neige
133	#endif
134
135
136	! Local variables
137	!****************************************************************************************
138	REAL, DIMENSION(klon) :: soilcap, soilflux
139	REAL, DIMENSION(klon) :: cal, beta, dif_grnd
140	REAL, DIMENSION(klon) :: zfra, alb_neig
141	REAL, DIMENSION(klon) :: radsol
142	REAL, DIMENSION(klon) :: u0, v0, u1_lay, v1_lay
143	INTEGER :: i,j
144	#ifdef ISO
145	real, parameter :: t_coup = 273.15
146	real, dimension(klon) :: fqfonte_diag
147	real, dimension(klon) :: fq_fonte_diag
148	real, dimension(klon) :: snow_evap_diag
149	real, dimension(klon) :: fqcalving_diag
150	real max_eau_sol_diag
151	real, dimension(klon) :: runoff_diag
152	real, dimension(klon) :: run_off_lic_diag
153	real :: coeff_rel_diag
154	integer ixt
155	REAL, DIMENSION(niso,klon) :: xtsnow_prec,xtsol_prec
156	REAL, DIMENSION(klon) :: snow_prec,qsol_prec
157	! real, DIMENSION(klon) :: run_off_lic_0_diag
158	#endif
159	!#ifdef ISO
160
161	REAL, DIMENSION(klon) :: emis_new !Emissivity
162	REAL, DIMENSION(klon) :: swdown,lwdown
163	REAL, DIMENSION(klon) :: precip_snow_adv, snow_adv !Snow Drift precip./advection
164	REAL, DIMENSION(klon) :: bl_height, wind_velo !height boundary layer, wind spd
165	REAL, DIMENSION(klon) :: dens_air, snow_cont_air !air density; snow content air
166	REAL, DIMENSION(klon) :: alb_soil !albedo of underlying ice
167	REAL, DIMENSION(klon) :: pexner !Exner potential
168	REAL :: pref
169	REAL, DIMENSION(klon,nsoilmx) :: tsoil0 !modfi
170
171	CHARACTER (len = 20) :: modname = 'surf_landice'
172	CHARACTER (len = 80) :: abort_message
173
174	!albedo SB >>>
175	real,dimension(klon) :: alb1,alb2
176	!albedo SB <<<
177
178	! End definition
179	!****************************************************************************************
180	#ifdef ISO
181	#ifdef ISOVERIF
182	! write(,) 'surf_land_ice 1499'
183	do i=1,knon
184	if (iso_eau.gt.0) then
185	call iso_verif_egalite_choix(xtsnow(iso_eau,i),snow(i), &
186	& 'surf_land_ice 126',errmax,errmaxrel)
187	endif !if (iso_eau.gt.0) then
188	enddo !do i=1,knon
189	#endif
190	#endif
191	!
192	! Initialize output variables
193	alb3(:) = 999999.
194	alb2(:) = 999999.
195	alb1(:) = 999999.
196
197	runoff(:) = 0.
198	!****************************************************************************************
199	! Calculate total absorbed radiance at surface
200	!
201	!****************************************************************************************
202	radsol(:) = 0.0
203	radsol(1:knon) = swnet(1:knon) + lwnet(1:knon)
204
205	!****************************************************************************************
206	! ok_snow = TRUE : prepare and call SISVAT snow model
207	! ok_snow = FALSE : soil_model, calcul_flux, fonte_neige, ...
208	!
209	!****************************************************************************************
210	IF (ok_snow) THEN
211	#ifdef CPP_SISVAT
212	! Prepare for calling SISVAT
213
214	! Calculate incoming flux for SW and LW interval: swdown, lwdown
215	swdown(:) = 0.0
216	lwdown(:) = 0.0
217	DO i = 1, knon
218	swdown(i) = swnet(i)/(1-albedo(i))
219	lwdown(i) = lwdownm(i)
220	END DO
221
222	! Set constants and compute some input for SISVAT
223	snow_adv(:) = 0. ! no snow blown in for now
224	snow_cont_air(:) = 0.
225	alb_soil(:) = albedo(:)
226	pref = 100000. ! = 1000 hPa
227	DO i = 1, knon
228	wind_velo(i) = u1(i)2 + v1(i)2
229	wind_velo(i) = wind_velo(i)**0.5
230	pexner(i) = (p1lay(i)/pref)**(RD/RCPD)
231	dens_air(i) = p1lay(i)/RD/temp_air(i) ! dry air density
232	bl_height(i) = pphi1(i)/RG
233	END DO
234
235	!****************************************************************************************
236	! CALL to SISVAT interface
237	!
238	!****************************************************************************************
239	! config: compute everything with SV but temperatures afterwards with soil/calculfluxs
240	DO i = 1, knon
241	tsoil0(i,:)=tsoil(i,:)
242	END DO
243	! Martin
244	PRINT*, 'on appelle surf_sisvat'
245	! Martin
246	CALL surf_sisvat(knon, rlon, rlat, knindex, itime, dtime, debut, lafin, &
247	rmu0, swdown, lwdown, pexner, ps, p1lay, &
248	precip_rain, precip_snow, precip_snow_adv, snow_adv, &
249	bl_height, wind_velo, temp_air, dens_air, spechum, tsurf, &
250	rugoro, snow_cont_air, alb_soil, slope, cloudf, &
251	radsol, qsol, tsoil0, snow, snowhgt, qsnow, to_ice,sissnow, agesno, &
252	AcoefH, AcoefQ, BcoefH, BcoefQ, cdragh, &
253	run_off_lic, evap, fluxsens, fluxlat, dflux_s, dflux_l, &
254	tsurf_new, alb1, alb2, alb3, &
255	emis_new, z0m, qsurf)
256	z0h(1:knon)=z0m(1:knon) ! en attendant mieux
257
258	! Suppose zero surface speed
259	u0(:) = 0.0
260	v0(:) = 0.0
261	! The calculation of heat/water fluxes, otherwise done by "CALL calcul_fluxs" is
262	! integrated in SISVAT, using the same method. It can be found in "sisvat.f", in the
263	! subroutine "SISVAT_TS2".
264	! u0, v0=0., dif_grnd=0. and beta=1 are assumed there!
265
266	CALL calcul_flux_wind(knon, dtime, &
267	u0, v0, u1, v1, gustiness, cdragm, &
268	AcoefU, AcoefV, BcoefU, BcoefV, &
269	p1lay, temp_air, &
270	flux_u1, flux_v1)
271	#else
272	abort_message='Pb de coherence: ok_snow = .true. mais CPP_SISVAT = .false.'
273	CALL abort_physic(modname,abort_message,1)
274	#endif
275	#ifdef ISO
276	abort_message='surf_landice 267: isotopes pas prevus ici'
277	CALL abort_physic(modname,abort_message,1)
278	#endif
279	ELSE ! ok_snow=FALSE
280
281	!****************************************************************************************
282	! Soil calculations
283	!
284	!****************************************************************************************
285	IF (soil_model) THEN
286	CALL soil(dtime, is_lic, knon, snow, tsurf, tsoil, soilcap, soilflux)
287	cal(1:knon) = RCPD / soilcap(1:knon)
288	radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
289	ELSE
290	cal = RCPD * calice
291	WHERE (snow > 0.0) cal = RCPD * calsno
292	ENDIF
293
294
295	!****************************************************************************************
296	! Calulate fluxes
297	!
298	!****************************************************************************************
299	beta(:) = 1.0
300	dif_grnd(:) = 0.0
301
302	! Suppose zero surface speed
303	u0(:)=0.0
304	v0(:)=0.0
305	u1_lay(:) = u1(:) - u0(:)
306	v1_lay(:) = v1(:) - v0(:)
307
308	CALL calcul_fluxs(knon, is_lic, dtime, &
309	tsurf, p1lay, cal, beta, cdragh, cdragh, ps, &
310	precip_rain, precip_snow, snow, qsurf, &
311	radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, gustiness, &
312	1.,AcoefH, AcoefQ, BcoefH, BcoefQ, &
313	tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l)
314
315	#ifdef ISO
316	! verif
317	#ifdef ISOVERIF
318	write(,) 'surf_land_ice 1499'
319	do i=1,knon
320	if (iso_eau.gt.0) then
321	if (snow(i).gt.ridicule) then
322	call iso_verif_egalite_choix(xtsnow(iso_eau,i),snow(i), &
323	& 'surf_land_ice 1151',errmax,errmaxrel)
324	endif !if ((snow(i).gt.ridicule)) then
325	endif !if (iso_eau.gt.0) then
326	enddo !do i=1,knon
327	#endif
328	!#ifdef ISOVERIF
329
330	do i=1,knon
331	snow_prec(i)=snow(i)
332	do ixt=1,niso
333	xtsnow_prec(ixt,i)=xtsnow(ixt,i)
334	enddo !do ixt=1,niso
335	! initialisation:
336	fq_fonte_diag(i)=0.0
337	fqfonte_diag(i)=0.0
338	snow_evap_diag(i)=0.0
339	enddo !do i=1,knon
340	#endif
341	!#ifdef ISO
342
343	CALL calcul_flux_wind(knon, dtime, &
344	u0, v0, u1, v1, gustiness, cdragm, &
345	AcoefU, AcoefV, BcoefU, BcoefV, &
346	p1lay, temp_air, &
347	flux_u1, flux_v1)
348
349	!****************************************************************************************
350	! Calculate snow height, age, run-off,..
351	!
352	!****************************************************************************************
353	CALL fonte_neige( knon, is_lic, knindex, dtime, &
354	tsurf, precip_rain, precip_snow, &
355	snow, qsol, tsurf_new, evap &
356	#ifdef ISO
357	& ,fq_fonte_diag,fqfonte_diag,snow_evap_diag,fqcalving_diag &
358	& ,max_eau_sol_diag,runoff_diag,run_off_lic_diag,coeff_rel_diag &
359	#endif
360	& )
361
362
363	#ifdef ISO
364	#ifdef ISOVERIF
365	do i=1,knon
366	if (iso_eau.gt.0) then
367	call iso_verif_egalite_choix(Rland_ice(iso_eau,i),1.0, &
368	& 'surf_landice_mod 217',errmax,errmaxrel)
369	endif !if (iso_eau.gt.0) then
370	enddo !do i=1,knon
371	#endif
372	!#ifdef ISOVERIF
373
374	call calcul_iso_surf_lic_vectall(klon,knon, &
375	& evap,snow_evap_diag,Tsurf_new,snow, &
376	& fq_fonte_diag,fqfonte_diag,dtime,t_coup, &
377	& precip_snow,xtprecip_snow,precip_rain,xtprecip_rain, snow_prec,xtsnow_prec, &
378	& xtspechum,spechum,ps,Rland_ice, &
379	& xtevap,xtsnow,fqcalving_diag, &
380	& knindex,is_lic,run_off_lic_diag,coeff_rel_diag &
381	& )
382
383	! call fonte_neige_export_xtrun_off_lic_0(knon,xtrun_off_lic_0_diag)
384
385	#endif
386	!#ifdef ISO
387
388	!****************************************************************************************
389	! Calculate albedo
390	!
391	!****************************************************************************************
392	CALL albsno(klon,knon,dtime,agesno(:),alb_neig(:), precip_snow(:))
393	WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0.
394	zfra(1:knon) = MAX(0.0,MIN(1.0,snow(1:knon)/(snow(1:knon)+10.0)))
395	alb1(1:knon) = alb_neig(1:knon)*zfra(1:knon) + &
396	0.6 * (1.0-zfra(1:knon))
397	!
398	!IM: plusieurs choix/tests sur l'albedo des "glaciers continentaux"
399	! alb1(1 : knon) = 0.6 !IM cf FH/GK
400	! alb1(1 : knon) = 0.82
401	! alb1(1 : knon) = 0.77 !211003 Ksta0.77
402	! alb1(1 : knon) = 0.8 !KstaTER0.8 & LMD_ARMIP5
403	!IM: KstaTER0.77 & LMD_ARMIP6
404
405	! Attantion: alb1 and alb2 are the same!
406	alb1(1:knon) = 0.77
407	alb2(1:knon) = alb1(1:knon)
408
409
410	!****************************************************************************************
411	! Rugosity
412	!
413	!****************************************************************************************
414	z0m=1.e-3
415	z0h = z0m
416	z0m = SQRT(z0m2+rugoro2)
417
418	END IF ! ok_snow
419
420
421	!****************************************************************************************
422	! Send run-off on land-ice to coupler if coupled ocean.
423	! run_off_lic has been calculated in fonte_neige or surf_sisvat
424	!
425	!****************************************************************************************
426	IF (type_ocean=='couple') THEN
427	CALL cpl_send_landice_fields(itime, knon, knindex, run_off_lic)
428	ENDIF
429
430	! transfer runoff rate [kg/m2/s](!) to physiq for output
431	runoff(1:knon)=run_off_lic(1:knon)/dtime
432
433
434	!****************************************************************************************
435	snow_o=0.
436	zfra_o = 0.
437	DO j = 1, knon
438	i = knindex(j)
439	snow_o(i) = snow(j)
440	zfra_o(i) = zfra(j)
441	ENDDO
442
443	!****************************************************************************************
444	snow_o=0.
445	zfra_o = 0.
446	DO j = 1, knon
447	i = knindex(j)
448	snow_o(i) = snow(j)
449	zfra_o(i) = zfra(j)
450	ENDDO
451
452
453	!albedo SB >>>
454	select case(NSW)
455	case(2)
456	alb_dir(1:knon,1)=alb1(1:knon)
457	alb_dir(1:knon,2)=alb2(1:knon)
458	case(4)
459	alb_dir(1:knon,1)=alb1(1:knon)
460	alb_dir(1:knon,2)=alb2(1:knon)
461	alb_dir(1:knon,3)=alb2(1:knon)
462	alb_dir(1:knon,4)=alb2(1:knon)
463	case(6)
464	alb_dir(1:knon,1)=alb1(1:knon)
465	alb_dir(1:knon,2)=alb1(1:knon)
466	alb_dir(1:knon,3)=alb1(1:knon)
467	alb_dir(1:knon,4)=alb2(1:knon)
468	alb_dir(1:knon,5)=alb2(1:knon)
469	alb_dir(1:knon,6)=alb2(1:knon)
470	end select
471	alb_dif=alb_dir
472	!albedo SB <<<
473
474
475
476
477	END SUBROUTINE surf_landice
478	!
479	!****************************************************************************************
480	!
481	END MODULE surf_landice_mod
482
483
484

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