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surf_landice_mod.F90 @ 3927

Last change on this file since 3927 was 3927, checked in by Laurent Fairhead, 3 years ago
Initial import of the physics wih isotopes from Camille Risi CR
File size: 18.2 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	USE fonte_neige_mod, ONLY : fonte_neige, run_off_lic
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	!FC
47	USE ioipsl_getin_p_mod, ONLY : getin_p
48
49	#ifdef CPP_SISVAT
50	USE surf_sisvat_mod, ONLY : surf_sisvat
51	#endif
52	USE indice_sol_mod
53
54	! INCLUDE "indicesol.h"
55	INCLUDE "dimsoil.h"
56	INCLUDE "YOMCST.h"
57	INCLUDE "clesphys.h"
58
59	! Input variables
60	!****************************************************************************************
61	INTEGER, INTENT(IN) :: itime, knon
62	INTEGER, DIMENSION(klon), INTENT(in) :: knindex
63	REAL, INTENT(in) :: dtime
64	REAL, DIMENSION(klon), INTENT(IN) :: swnet ! net shortwave radiance
65	REAL, DIMENSION(klon), INTENT(IN) :: lwnet ! net longwave radiance
66	REAL, DIMENSION(klon), INTENT(IN) :: tsurf
67	REAL, DIMENSION(klon), INTENT(IN) :: p1lay
68	REAL, DIMENSION(klon), INTENT(IN) :: cdragh, cdragm
69	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow
70	REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum
71	REAL, DIMENSION(klon), INTENT(IN) :: AcoefH, AcoefQ
72	REAL, DIMENSION(klon), INTENT(IN) :: BcoefH, BcoefQ
73	REAL, DIMENSION(klon), INTENT(IN) :: AcoefU, AcoefV, BcoefU, BcoefV
74	REAL, DIMENSION(klon), INTENT(IN) :: ps
75	REAL, DIMENSION(klon), INTENT(IN) :: u1, v1, gustiness
76	REAL, DIMENSION(klon), INTENT(IN) :: rugoro
77	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
78	#ifdef ISO
79	REAL, DIMENSION(ntraciso,klon), INTENT(IN) :: xtprecip_rain, xtprecip_snow
80	REAL, DIMENSION(ntraciso,klon), INTENT(IN) :: xtspechum
81	#endif
82
83	LOGICAL, INTENT(IN) :: debut !true if first step
84	LOGICAL, INTENT(IN) :: lafin !true if last step
85	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
86	REAL, DIMENSION(klon), INTENT(IN) :: rmu0
87	REAL, DIMENSION(klon), INTENT(IN) :: lwdownm !ylwdown
88	REAL, DIMENSION(klon), INTENT(IN) :: albedo !mean albedo
89	REAL, DIMENSION(klon), INTENT(IN) :: pphi1
90	REAL, DIMENSION(klon), INTENT(IN) :: slope !mean slope in grid box
91	REAL, DIMENSION(klon), INTENT(IN) :: cloudf !total cloud fraction
92
93	! In/Output variables
94	!****************************************************************************************
95	REAL, DIMENSION(klon), INTENT(INOUT) :: snow, qsol
96	REAL, DIMENSION(klon), INTENT(INOUT) :: agesno
97	REAL, DIMENSION(klon, nsoilmx), INTENT(INOUT) :: tsoil
98	#ifdef ISO
99	REAL, DIMENSION(niso,klon), INTENT(INOUT) :: xtsnow, xtsol
100	REAL, DIMENSION(niso,klon), INTENT(INOUT) :: Rland_ice
101	#endif
102
103	! Output variables
104	!****************************************************************************************
105	REAL, DIMENSION(klon), INTENT(OUT) :: qsurf
106	REAL, DIMENSION(klon), INTENT(OUT) :: z0m, z0h
107	!albedo SB >>>
108	! REAL, DIMENSION(klon), INTENT(OUT) :: alb1 ! new albedo in visible SW interval
109	! REAL, DIMENSION(klon), INTENT(OUT) :: alb2 ! new albedo in near IR interval
110	REAL, DIMENSION(6), INTENT(IN) ::SFRWL
111	REAL, DIMENSION(klon,nsw), INTENT(OUT) ::alb_dir,alb_dif
112	!albedo SB <<<
113	REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat
114	REAL, DIMENSION(klon), INTENT(OUT) :: tsurf_new
115	REAL, DIMENSION(klon), INTENT(OUT) :: dflux_s, dflux_l
116	REAL, DIMENSION(klon), INTENT(OUT) :: flux_u1, flux_v1
117
118	REAL, DIMENSION(klon), INTENT(OUT) :: alb3
119	REAL, DIMENSION(klon), INTENT(OUT) :: qsnow !column water in snow [kg/m2]
120	REAL, DIMENSION(klon), INTENT(OUT) :: snowhgt !Snow height (m)
121	REAL, DIMENSION(klon), INTENT(OUT) :: to_ice
122	REAL, DIMENSION(klon), INTENT(OUT) :: sissnow
123	REAL, DIMENSION(klon), INTENT(OUT) :: runoff !Land ice runoff
124	#ifdef ISO
125	REAL, DIMENSION(ntraciso,klon), INTENT(OUT) :: xtevap
126	! real, DIMENSION(niso,klon) :: xtrun_off_lic_0_diag ! est une variable globale de
127	! fonte_neige
128	#endif
129
130
131	! Local variables
132	!****************************************************************************************
133	REAL, DIMENSION(klon) :: soilcap, soilflux
134	REAL, DIMENSION(klon) :: cal, beta, dif_grnd
135	REAL, DIMENSION(klon) :: zfra, alb_neig
136	REAL, DIMENSION(klon) :: radsol
137	REAL, DIMENSION(klon) :: u0, v0, u1_lay, v1_lay
138	INTEGER :: i,j
139	#ifdef ISO
140	real, parameter :: t_coup = 273.15
141	real, dimension(klon) :: fqfonte_diag
142	real, dimension(klon) :: fq_fonte_diag
143	real, dimension(klon) :: snow_evap_diag
144	real, dimension(klon) :: fqcalving_diag
145	real max_eau_sol_diag
146	real, dimension(klon) :: runoff_diag
147	real, dimension(klon) :: run_off_lic_diag
148	real :: coeff_rel_diag
149	integer ixt
150	REAL, DIMENSION(niso,klon) :: xtsnow_prec,xtsol_prec
151	REAL, DIMENSION(klon) :: snow_prec,qsol_prec
152	! real, DIMENSION(klon) :: run_off_lic_0_diag
153	#endif
154
155	REAL, DIMENSION(klon) :: emis_new !Emissivity
156	REAL, DIMENSION(klon) :: swdown,lwdown
157	REAL, DIMENSION(klon) :: precip_snow_adv, snow_adv !Snow Drift precip./advection
158	REAL, DIMENSION(klon) :: bl_height, wind_velo !height boundary layer, wind spd
159	REAL, DIMENSION(klon) :: dens_air, snow_cont_air !air density; snow content air
160	REAL, DIMENSION(klon) :: alb_soil !albedo of underlying ice
161	REAL, DIMENSION(klon) :: pexner !Exner potential
162	REAL :: pref
163	REAL, DIMENSION(klon,nsoilmx) :: tsoil0 !modfi
164
165	CHARACTER (len = 20) :: modname = 'surf_landice'
166	CHARACTER (len = 80) :: abort_message
167
168
169	!albedo SB >>>
170	real,dimension(klon) :: alb1,alb2
171	!albedo SB <<<
172
173	! End definition
174	!****************************************************************************************
175	!FC
176	!FC
177	REAL,SAVE :: alb_vis_sno_lic
178	!$OMP THREADPRIVATE(alb_vis_sno_lic)
179	REAL,SAVE :: alb_nir_sno_lic
180	!$OMP THREADPRIVATE(alb_nir_sno_lic)
181	LOGICAL, SAVE :: firstcall = .TRUE.
182	!$OMP THREADPRIVATE(firstcall)
183	!FC
184
185
186	#ifdef ISO
187	#ifdef ISOVERIF
188	! write(,) 'surf_land_ice 1499'
189	do i=1,knon
190	if (iso_eau.gt.0) then
191	call iso_verif_egalite_choix(xtsnow(iso_eau,i),snow(i), &
192	& 'surf_land_ice 126',errmax,errmaxrel)
193	endif !if (iso_eau.gt.0) then
194	enddo !do i=1,knon
195	#endif
196	#endif
197
198	IF (firstcall) THEN
199	alb_vis_sno_lic=0.77
200	CALL getin_p('alb_vis_sno_lic',alb_vis_sno_lic)
201	PRINT*, 'alb_vis_sno_lic',alb_vis_sno_lic
202	alb_nir_sno_lic=0.77
203	CALL getin_p('alb_nir_sno_lic',alb_nir_sno_lic)
204	PRINT*, 'alb_nir_sno_lic',alb_nir_sno_lic
205	firstcall=.false.
206	ENDIF
207	!
208	! Initialize output variables
209	alb3(:) = 999999.
210	alb2(:) = 999999.
211	alb1(:) = 999999.
212
213	runoff(:) = 0.
214	!****************************************************************************************
215	! Calculate total absorbed radiance at surface
216	!
217	!****************************************************************************************
218	radsol(:) = 0.0
219	radsol(1:knon) = swnet(1:knon) + lwnet(1:knon)
220
221	!****************************************************************************************
222	! ok_snow = TRUE : prepare and call SISVAT snow model
223	! ok_snow = FALSE : soil_model, calcul_flux, fonte_neige, ...
224	!
225	!****************************************************************************************
226	IF (ok_snow) THEN
227	#ifdef CPP_SISVAT
228	! Prepare for calling SISVAT
229
230	! Calculate incoming flux for SW and LW interval: swdown, lwdown
231	swdown(:) = 0.0
232	lwdown(:) = 0.0
233	DO i = 1, knon
234	swdown(i) = swnet(i)/(1-albedo(i))
235	lwdown(i) = lwdownm(i)
236	END DO
237
238	! Set constants and compute some input for SISVAT
239	snow_adv(:) = 0. ! no snow blown in for now
240	snow_cont_air(:) = 0.
241	alb_soil(:) = albedo(:)
242	pref = 100000. ! = 1000 hPa
243	DO i = 1, knon
244	wind_velo(i) = u1(i)2 + v1(i)2
245	wind_velo(i) = wind_velo(i)**0.5
246	pexner(i) = (p1lay(i)/pref)**(RD/RCPD)
247	dens_air(i) = p1lay(i)/RD/temp_air(i) ! dry air density
248	bl_height(i) = pphi1(i)/RG
249	END DO
250
251	!****************************************************************************************
252	! CALL to SISVAT interface
253	!
254	!****************************************************************************************
255	! config: compute everything with SV but temperatures afterwards with soil/calculfluxs
256	DO i = 1, knon
257	tsoil0(i,:)=tsoil(i,:)
258	END DO
259	! Martin
260	PRINT*, 'on appelle surf_sisvat'
261	! Martin
262	CALL surf_sisvat(knon, rlon, rlat, knindex, itime, dtime, debut, lafin, &
263	rmu0, swdown, lwdown, pexner, ps, p1lay, &
264	precip_rain, precip_snow, precip_snow_adv, snow_adv, &
265	bl_height, wind_velo, temp_air, dens_air, spechum, tsurf, &
266	rugoro, snow_cont_air, alb_soil, slope, cloudf, &
267	radsol, qsol, tsoil0, snow, snowhgt, qsnow, to_ice,sissnow, agesno, &
268	AcoefH, AcoefQ, BcoefH, BcoefQ, cdragh, &
269	run_off_lic, evap, fluxsens, fluxlat, dflux_s, dflux_l, &
270	tsurf_new, alb1, alb2, alb3, &
271	emis_new, z0m, qsurf)
272	z0h(1:knon)=z0m(1:knon) ! en attendant mieux
273
274	! Suppose zero surface speed
275	u0(:) = 0.0
276	v0(:) = 0.0
277	! The calculation of heat/water fluxes, otherwise done by "CALL calcul_fluxs" is
278	! integrated in SISVAT, using the same method. It can be found in "sisvat.f", in the
279	! subroutine "SISVAT_TS2".
280	! u0, v0=0., dif_grnd=0. and beta=1 are assumed there!
281
282	CALL calcul_flux_wind(knon, dtime, &
283	u0, v0, u1, v1, gustiness, cdragm, &
284	AcoefU, AcoefV, BcoefU, BcoefV, &
285	p1lay, temp_air, &
286	flux_u1, flux_v1)
287	#else
288	abort_message='Pb de coherence: ok_snow = .true. mais CPP_SISVAT = .false.'
289	CALL abort_physic(modname,abort_message,1)
290	#endif
291	#ifdef ISO
292	abort_message='surf_landice 267: isotopes pas prevus ici'
293	CALL abort_physic(modname,abort_message,1)
294	#endif
295	ELSE ! ok_snow=FALSE
296
297	!****************************************************************************************
298	! Soil calculations
299	!
300	!****************************************************************************************
301	IF (soil_model) THEN
302	CALL soil(dtime, is_lic, knon, snow, tsurf, tsoil, soilcap, soilflux)
303	cal(1:knon) = RCPD / soilcap(1:knon)
304	radsol(1:knon) = radsol(1:knon) + soilflux(1:knon)
305	ELSE
306	cal = RCPD * calice
307	WHERE (snow > 0.0) cal = RCPD * calsno
308	ENDIF
309
310
311	!****************************************************************************************
312	! Calulate fluxes
313	!
314	!****************************************************************************************
315	beta(:) = 1.0
316	dif_grnd(:) = 0.0
317
318	! Suppose zero surface speed
319	u0(:)=0.0
320	v0(:)=0.0
321	u1_lay(:) = u1(:) - u0(:)
322	v1_lay(:) = v1(:) - v0(:)
323
324	CALL calcul_fluxs(knon, is_lic, dtime, &
325	tsurf, p1lay, cal, beta, cdragh, cdragh, ps, &
326	precip_rain, precip_snow, snow, qsurf, &
327	radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, gustiness, &
328	1.,AcoefH, AcoefQ, BcoefH, BcoefQ, &
329	tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l)
330
331
332	#ifdef ISO
333	! verif
334	#ifdef ISOVERIF
335	write(,) 'surf_land_ice 1499'
336	do i=1,knon
337	if (iso_eau.gt.0) then
338	if (snow(i).gt.ridicule) then
339	call iso_verif_egalite_choix(xtsnow(iso_eau,i),snow(i), &
340	& 'surf_land_ice 1151',errmax,errmaxrel)
341	endif !if ((snow(i).gt.ridicule)) then
342	endif !if (iso_eau.gt.0) then
343	enddo !do i=1,knon
344	#endif
345	!#ifdef ISOVERIF
346
347	do i=1,knon
348	snow_prec(i)=snow(i)
349	do ixt=1,niso
350	xtsnow_prec(ixt,i)=xtsnow(ixt,i)
351	enddo !do ixt=1,niso
352	! initialisation:
353	fq_fonte_diag(i)=0.0
354	fqfonte_diag(i)=0.0
355	snow_evap_diag(i)=0.0
356	enddo !do i=1,knon
357	#endif
358	!#ifdef ISO
359	CALL calcul_flux_wind(knon, dtime, &
360	u0, v0, u1, v1, gustiness, cdragm, &
361	AcoefU, AcoefV, BcoefU, BcoefV, &
362	p1lay, temp_air, &
363	flux_u1, flux_v1)
364
365	!****************************************************************************************
366	! Calculate snow height, age, run-off,..
367	!
368	!****************************************************************************************
369	CALL fonte_neige( knon, is_lic, knindex, dtime, &
370	tsurf, precip_rain, precip_snow, &
371	snow, qsol, tsurf_new, evap &
372	#ifdef ISO
373	& ,fq_fonte_diag,fqfonte_diag,snow_evap_diag,fqcalving_diag &
374	& ,max_eau_sol_diag,runoff_diag,run_off_lic_diag,coeff_rel_diag &
375	#endif
376	& )
377
378
379	#ifdef ISO
380	#ifdef ISOVERIF
381	do i=1,knon
382	if (iso_eau.gt.0) then
383	call iso_verif_egalite_choix(Rland_ice(iso_eau,i),1.0, &
384	& 'surf_landice_mod 217',errmax,errmaxrel)
385	endif !if (iso_eau.gt.0) then
386	enddo !do i=1,knon
387	#endif
388	!#ifdef ISOVERIF
389
390	call calcul_iso_surf_lic_vectall(klon,knon, &
391	& evap,snow_evap_diag,Tsurf_new,snow, &
392	& fq_fonte_diag,fqfonte_diag,dtime,t_coup, &
393	& precip_snow,xtprecip_snow,precip_rain,xtprecip_rain, snow_prec,xtsnow_prec, &
394	& xtspechum,spechum,ps,Rland_ice, &
395	& xtevap,xtsnow,fqcalving_diag, &
396	& knindex,is_lic,run_off_lic_diag,coeff_rel_diag &
397	& )
398
399	! call fonte_neige_export_xtrun_off_lic_0(knon,xtrun_off_lic_0_diag)
400
401	#endif
402	!#ifdef ISO
403
404
405	!****************************************************************************************
406	! Calculate albedo
407	!
408	!****************************************************************************************
409	CALL albsno(klon,knon,dtime,agesno(:),alb_neig(:), precip_snow(:))
410	WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0.
411	zfra(1:knon) = MAX(0.0,MIN(1.0,snow(1:knon)/(snow(1:knon)+10.0)))
412	alb1(1:knon) = alb_neig(1:knon)*zfra(1:knon) + &
413	0.6 * (1.0-zfra(1:knon))
414	!
415	!IM: plusieurs choix/tests sur l'albedo des "glaciers continentaux"
416	! alb1(1 : knon) = 0.6 !IM cf FH/GK
417	! alb1(1 : knon) = 0.82
418	! alb1(1 : knon) = 0.77 !211003 Ksta0.77
419	! alb1(1 : knon) = 0.8 !KstaTER0.8 & LMD_ARMIP5
420	!IM: KstaTER0.77 & LMD_ARMIP6
421
422	! Attantion: alb1 and alb2 are the same!
423	alb1(1:knon) = alb_vis_sno_lic
424	alb2(1:knon) = alb_nir_sno_lic
425
426
427	!****************************************************************************************
428	! Rugosity
429	!
430	!****************************************************************************************
431	z0m=1.e-3
432	z0h = z0m
433	z0m = SQRT(z0m2+rugoro2)
434
435	END IF ! ok_snow
436
437
438	!****************************************************************************************
439	! Send run-off on land-ice to coupler if coupled ocean.
440	! run_off_lic has been calculated in fonte_neige or surf_sisvat
441	!
442	!****************************************************************************************
443	IF (type_ocean=='couple') THEN
444	CALL cpl_send_landice_fields(itime, knon, knindex, run_off_lic)
445	ENDIF
446
447	! transfer runoff rate [kg/m2/s](!) to physiq for output
448	runoff(1:knon)=run_off_lic(1:knon)/dtime
449
450
451	!****************************************************************************************
452	snow_o=0.
453	zfra_o = 0.
454	DO j = 1, knon
455	i = knindex(j)
456	snow_o(i) = snow(j)
457	zfra_o(i) = zfra(j)
458	ENDDO
459
460	!****************************************************************************************
461	snow_o=0.
462	zfra_o = 0.
463	DO j = 1, knon
464	i = knindex(j)
465	snow_o(i) = snow(j)
466	zfra_o(i) = zfra(j)
467	ENDDO
468
469
470	!albedo SB >>>
471	select case(NSW)
472	case(2)
473	alb_dir(1:knon,1)=alb1(1:knon)
474	alb_dir(1:knon,2)=alb2(1:knon)
475	case(4)
476	alb_dir(1:knon,1)=alb1(1:knon)
477	alb_dir(1:knon,2)=alb2(1:knon)
478	alb_dir(1:knon,3)=alb2(1:knon)
479	alb_dir(1:knon,4)=alb2(1:knon)
480	case(6)
481	alb_dir(1:knon,1)=alb1(1:knon)
482	alb_dir(1:knon,2)=alb1(1:knon)
483	alb_dir(1:knon,3)=alb1(1:knon)
484	alb_dir(1:knon,4)=alb2(1:knon)
485	alb_dir(1:knon,5)=alb2(1:knon)
486	alb_dir(1:knon,6)=alb2(1:knon)
487	end select
488	alb_dif=alb_dir
489	!albedo SB <<<
490
491
492
493
494	END SUBROUTINE surf_landice
495	!
496	!****************************************************************************************
497	!
498	END MODULE surf_landice_mod
499
500
501

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