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surf_ocean_mod.F90 @ 5934

Last change on this file since 5934 was 5934, checked in by yann meurdesoif, 3 weeks ago
forgotten dummy argument that was in klon instead knon. YM
Property copyright set to Name of program: LMDZ Creation date: 1984 Version: LMDZ5 License: CeCILL version 2 Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539 See the license file in the root directory Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 17.4 KB

Line
1	!
2	! $Id: surf_ocean_mod.F90 5934 2025-12-16 18:36:28Z ymeurdesoif $
3	!
4	MODULE surf_ocean_mod
5
6	IMPLICIT NONE
7
8	CONTAINS
9	!
10	!******************************************************************************
11	!
12	SUBROUTINE surf_ocean(rlon, rlat, swnet, lwnet, alb1, &
13	windsp, rmu0, fder, tsurf_in, &
14	itime, dtime, jour, knon, knindex, &
15	p1lay, z1lay, cdragh, cdragm, precip_rain, precip_snow, precip_bs, temp_air, spechum, &
16	AcoefH, AcoefQ, BcoefH, BcoefQ, &
17	AcoefU, AcoefV, BcoefU, BcoefV, &
18	ps, u1, v1, gustiness, rugoro, pctsrf, &
19	snow, qsurf, agesno, &
20	z0m, z0h, SFRWL, alb_dir_new, alb_dif_new, evap, fluxsens, fluxlat, &
21	tsurf_new, dflux_s, dflux_l, lmt_bils, &
22	flux_u1, flux_v1, delta_sst, delta_sal, ds_ns, dt_ns, dter, dser, &
23	!GG dt_ds, tkt, tks, taur, sss)
24	dt_ds, tkt, tks, taur, sss, &
25	dthetadz300,Ampl &
26	!GG
27	#ifdef ISO
28	& ,xtprecip_rain, xtprecip_snow,xtspechum,Roce, &
29	& xtsnow,xtevap,h1 &
30	#endif
31	& )
32	!$gpum horizontal knon klon
33
34	use albedo_mod, only: alboc, alboc_cd
35	use bulk_flux_m, only: bulk_flux
36	USE dimphy, ONLY: klon, zmasq
37	USE surface_data, ONLY : type_ocean
38	USE ocean_forced_mod, ONLY : ocean_forced_noice
39	USE ocean_slab_mod, ONLY : ocean_slab_noice
40	USE ocean_cpl_mod, ONLY : ocean_cpl_noice
41	USE indice_sol_mod, ONLY : nbsrf, is_oce
42	USE ocean_albedo_mod, ONLY : ocean_albedo
43	#ifdef ISO
44	USE infotrac_phy, ONLY : ntraciso=>ntiso,niso
45	#ifdef ISOVERIF
46	USE isotopes_mod, ONLY: iso_eau,ridicule
47	USE isotopes_verif_mod
48	#endif
49	#endif
50	USE clesphys_mod_h, ONLY: nsw, ok_bs, f_z0qh_oce, iflag_albedo, iflag_cycle_diurne, fmagic, pmagic, iflag_z0_oce, z0min
51	USE yomcst_mod_h, ONLY: rd, retv, rg, rlvtt
52	USE limit_read_mod, ONLY: limit_read_rug_alb
53	USE config_ocean_skin_m, ONLY: activate_ocean_skin
54	USE lmdz_checksum, ONLY : checksum
55	!
56	! This subroutine will make a call to ocean_XXX_noice according to the ocean mode (force,
57	! slab or couple). The calculations of albedo and rugosity for the ocean surface are
58	! done in here because they are identical for the different modes of ocean.
59
60
61
62
63	! for cycle_diurne and for iflag_z0_oce==-1 (prescribed z0)
64
65	! Input variables
66	!******************************************************************************
67	INTEGER, INTENT(IN) :: itime, jour, knon
68	INTEGER, DIMENSION(knon), INTENT(IN) :: knindex
69	REAL, INTENT(IN) :: dtime
70	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
71	REAL, DIMENSION(knon), INTENT(IN) :: swnet ! net shortwave radiation at surface
72	REAL, DIMENSION(knon), INTENT(IN) :: lwnet ! net longwave radiation at surface
73	REAL, DIMENSION(knon), INTENT(IN) :: alb1 ! albedo in visible SW interval
74	REAL, DIMENSION(knon), INTENT(IN) :: windsp ! wind at 10 m, in m s-1
75	REAL, DIMENSION(knon), INTENT(IN) :: rmu0
76	REAL, DIMENSION(knon), INTENT(IN) :: fder
77	REAL, DIMENSION(knon), INTENT(IN) :: tsurf_in ! defined only for subscripts 1:knon
78	REAL, DIMENSION(knon), INTENT(IN) :: p1lay,z1lay ! pression (Pa) et altitude (m) du premier niveau
79	REAL, DIMENSION(knon), INTENT(IN) :: cdragh
80	REAL, DIMENSION(knon), INTENT(IN) :: cdragm
81	REAL, DIMENSION(knon), INTENT(IN) :: precip_rain, precip_snow, precip_bs
82	REAL, DIMENSION(knon), INTENT(IN) :: temp_air, spechum
83	REAL, DIMENSION(knon), INTENT(IN) :: AcoefH, AcoefQ, BcoefH, BcoefQ
84	REAL, DIMENSION(knon), INTENT(IN) :: AcoefU, AcoefV, BcoefU, BcoefV
85	REAL, DIMENSION(knon), INTENT(IN) :: ps
86	REAL, DIMENSION(knon), INTENT(IN) :: u1, v1, gustiness
87	REAL, DIMENSION(knon), INTENT(IN) :: rugoro
88	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
89	#ifdef ISO
90	REAL, DIMENSION(ntraciso,knon), INTENT(IN) :: xtprecip_rain, xtprecip_snow
91	REAL, DIMENSION(ntraciso,knon), INTENT(IN) :: xtspechum
92	#endif
93
94	! In/Output variables
95	!******************************************************************************
96	REAL, DIMENSION(knon), INTENT(INOUT) :: snow
97	REAL, DIMENSION(knon), INTENT(INOUT) :: qsurf
98	REAL, DIMENSION(knon), INTENT(INOUT) :: agesno
99	REAL, DIMENSION(knon), INTENT(inOUT) :: z0h
100	#ifdef ISO
101	REAL, DIMENSION(niso,knon), INTENT(IN) :: xtsnow
102	REAL, DIMENSION(niso,knon), INTENT(INOUT):: Roce
103	#endif
104
105	REAL, intent(inout):: delta_sst(knon) ! (knon)
106	! Ocean-air interface temperature minus bulk SST, in K. Defined
107	! only if activate_ocean_skin >= 1.
108
109	real, intent(inout):: delta_sal(knon) ! (knon)
110	! Ocean-air interface salinity minus bulk salinity, in ppt. Defined
111	! only if activate_ocean_skin >= 1.
112
113	REAL, intent(inout):: ds_ns(knon) ! (knon)
114	! "delta salinity near surface". Salinity variation in the
115	! near-surface turbulent layer. That is subskin salinity minus
116	! foundation salinity. In ppt.
117
118	REAL, intent(inout):: dt_ns(knon) ! (knon)
119	! "delta temperature near surface". Temperature variation in the
120	! near-surface turbulent layer. That is subskin temperature
121	! minus foundation temperature. (Can be negative.) In K.
122
123	REAL, intent(inout):: dter(knon) ! (knon)
124	! Temperature variation in the diffusive microlayer, that is
125	! ocean-air interface temperature minus subskin temperature. In
126	! K.
127
128	REAL, intent(inout):: dser(knon) ! (knon)
129	! Salinity variation in the diffusive microlayer, that is
130	! ocean-air interface salinity minus subskin salinity. In ppt.
131
132	real, intent(inout):: dt_ds(knon) ! (knon)
133	! (tks / tkt) * dTer, in K
134
135	!GG
136	REAL, DIMENSION(knon), INTENT(IN) :: dthetadz300
137	REAL, DIMENSION(knon), INTENT(OUT) :: Ampl
138	!
139
140	! Output variables
141	!**************************************************************************
142	REAL, DIMENSION(knon), INTENT(OUT) :: z0m
143	!albedo SB >>>
144	! REAL, DIMENSION(klon), INTENT(OUT) :: alb1_new ! new albedo in visible SW interval
145	! REAL, DIMENSION(klon), INTENT(OUT) :: alb2_new ! new albedo in near IR interval
146	REAL, DIMENSION(6), INTENT(IN) :: SFRWL
147	REAL, DIMENSION(knon,nsw), INTENT(OUT) :: alb_dir_new,alb_dif_new
148	!albedo SB <<<
149	REAL, DIMENSION(knon), INTENT(OUT) :: evap, fluxsens, fluxlat
150	REAL, DIMENSION(knon), INTENT(OUT) :: tsurf_new ! sea surface temperature, in K
151	REAL, DIMENSION(knon), INTENT(OUT) :: dflux_s, dflux_l
152	REAL, DIMENSION(klon), INTENT(OUT) :: lmt_bils ! ==> YM : warning variable en klon !!!
153	REAL, DIMENSION(knon), INTENT(OUT) :: flux_u1, flux_v1
154
155	REAL, intent(out):: tkt(knon) ! (knon)
156	! �paisseur (m) de la couche de diffusion thermique (microlayer)
157	! cool skin thickness
158
159	REAL, intent(out):: tks(knon) ! (knon)
160	! �paisseur (m) de la couche de diffusion de masse (microlayer)
161
162	REAL, intent(out):: taur(knon) ! (knon)
163	! momentum flux due to rain, in Pa
164
165	real, intent(out):: sss(knon) ! (klon)
166	! Bulk salinity of the surface layer of the ocean, in ppt. (Only
167	! defined for subscripts 1:knon, but we have to declare it with
168	! size klon because of the coupling machinery.)
169
170	#ifdef ISO
171	REAL, DIMENSION(ntraciso,knon), INTENT(out) :: xtevap ! isotopes in surface evaporation flux
172	REAL, DIMENSION(knon), INTENT(out) :: h1 ! just a diagnostic, not useful for the simulation
173	#endif
174
175	! Local variables
176	!*************************************************************************
177	INTEGER :: i, k
178	REAL :: tmp
179	REAL, PARAMETER :: cepdu2=(0.1)*(0.1)
180	REAL, DIMENSION(knon) :: alb_eau, z0_lim
181	REAL, DIMENSION(knon) :: radsol
182	REAL, DIMENSION(knon) :: cdragq ! Cdrag pour l'evaporation
183	REAL, DIMENSION(knon) :: precip_totsnow
184	CHARACTER(len=20),PARAMETER :: modname="surf_ocean"
185	REAL rhoa(knon) ! density of moist air (kg / m3)
186	REAL sens_prec_liq(knon)
187
188	REAL t_int(knon) ! ocean-air interface temperature, in K
189	REAL s_int(knon) ! ocean-air interface salinity, in ppt
190	REAL, DIMENSION(knon) :: yrlat ! compressed latitude
191	!**************************************************************************
192	!$gpum nocall checksum
193
194	#ifdef ISO
195	#ifdef ISOVERIF
196	DO i = 1, knon
197	IF (iso_eau > 0) THEN
198	CALL iso_verif_egalite_choix(xtspechum(iso_eau,i), &
199	& spechum(i),'surf_ocean_mod 117', &
200	& errmax,errmaxrel)
201	CALL iso_verif_egalite_choix(xtsnow(iso_eau,i), &
202	& snow(i),'surf_ocean_mod 127', &
203	& errmax,errmaxrel)
204	ENDIF !IF (iso_eau > 0) then
205	ENDDO !DO i=1,klon
206	#endif
207	#endif
208
209	!******************************************************************************
210	! Calculate total net radiance at surface
211	!
212	!******************************************************************************
213	!ym radsol(1:klon) = 0.0 ! initialisation a priori inutile
214	radsol(1:knon) = swnet(1:knon) + lwnet(1:knon)
215
216
217	!****************************************************************************************
218	!Total solid precip
219
220	IF (ok_bs) THEN
221	precip_totsnow(:)=precip_snow(:)+precip_bs(:)
222	ELSE
223	precip_totsnow(:)=precip_snow(:)
224	ENDIF
225
226
227	!******************************************************************************
228	! Cdragq computed from cdrag
229	! The difference comes only from a factor (f_z0qh_oce) on z0, so that
230	! it can be computed inside surf_ocean
231	! More complicated appraches may require the propagation through
232	! pbl_surface of an independant cdragq variable.
233	!******************************************************************************
234
235	IF ( f_z0qh_oce .ne. 1.) THEN
236	! Si on suit les formulations par exemple de Tessel, on
237	! a z0h=0.4nu/u, z0q=0.62nu/u, d'ou f_z0qh_oce=0.62/0.4=1.55
238	cdragq(1:knon)=cdragh(1:knon)* &
239	log(z1lay(1:knon)/z0h(1:knon))/log(z1lay(1:knon)/(f_z0qh_oce*z0h(1:knon)))
240	ELSE
241	cdragq(1:knon)=cdragh(1:knon)
242	ENDIF
243
244	rhoa = PS(:KNON) / (Rd * temp_air(:knon) * (1. + retv * spechum(:knon)))
245	!******************************************************************************
246	! Switch according to type of ocean (couple, slab or forced)
247	!******************************************************************************
248	SELECT CASE(type_ocean)
249	CASE('couple')
250	!$gpum nocall
251	CALL ocean_cpl_noice( &
252	swnet, lwnet, alb1, &
253	windsp, fder, &
254	itime, dtime, knon, knindex, &
255	p1lay, cdragh, cdragq, cdragm, precip_rain, precip_totsnow,temp_air,spechum,&
256	AcoefH, AcoefQ, BcoefH, BcoefQ, &
257	AcoefU, AcoefV, BcoefU, BcoefV, &
258	ps, u1, v1, gustiness, tsurf_in, &
259	radsol, snow, agesno, &
260	qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, &
261	tsurf_new, dflux_s, dflux_l, sens_prec_liq, sss, delta_sal, rhoa, &
262	delta_sst, dTer, dSer, dt_ds)
263
264	CASE('slab')
265	!$gpum nocall
266	CALL ocean_slab_noice( &
267	itime, dtime, jour, knon, knindex, &
268	p1lay, cdragh, cdragq, cdragm, precip_rain, precip_totsnow, temp_air, spechum,&
269	AcoefH, AcoefQ, BcoefH, BcoefQ, &
270	AcoefU, AcoefV, BcoefU, BcoefV, &
271	ps, u1, v1, gustiness, tsurf_in, &
272	radsol, snow, &
273	qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, &
274	tsurf_new, dflux_s, dflux_l, lmt_bils)
275
276	CASE('force')
277	CALL ocean_forced_noice( &
278	itime, dtime, jour, knon, knindex, &
279	p1lay, cdragh, cdragq, cdragm, precip_rain, precip_totsnow, &
280	temp_air, spechum, &
281	AcoefH, AcoefQ, BcoefH, BcoefQ, &
282	AcoefU, AcoefV, BcoefU, BcoefV, &
283	ps, u1, v1, gustiness, tsurf_in, &
284	radsol, snow, agesno, &
285	qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, &
286	!GG tsurf_new, dflux_s, dflux_l, sens_prec_liq, rhoa)
287	tsurf_new, dflux_s, dflux_l, sens_prec_liq, rhoa, &
288	dthetadz300, pctsrf, Ampl &
289	!GG
290	#ifdef ISO
291	,xtprecip_rain, xtprecip_snow, xtspechum,Roce,rlat, &
292	xtsnow,xtevap,h1 &
293	#endif
294	)
295	END SELECT
296
297	!******************************************************************************
298	! fcodron: compute lmt_bils forced case (same as wfbils_oce / 1.-contfracatm)
299	!******************************************************************************
300	IF (type_ocean.NE.'slab') THEN
301	!ym warning uncompressed variable ==> klon
302	!ym initialised outside lmt_bils(1:klon)=0.
303	!ym better to do diag outside in future
304	DO i=1,knon
305	lmt_bils(knindex(i))=(swnet(i)+lwnet(i)+fluxsens(i)+fluxlat(i)) &
306	*pctsrf(knindex(i),is_oce)/(1.-zmasq(knindex(i)))
307	END DO
308	END IF
309
310	!******************************************************************************
311	! Calculate ocean surface albedo
312	!******************************************************************************
313	!albedo SB >>>
314	IF (iflag_albedo==0) THEN
315	!--old parametrizations of ocean surface albedo
316	!
317	IF (iflag_cycle_diurne.GE.1) THEN
318	!
319	CALL alboc_cd(knon, rmu0,alb_eau)
320	!
321	!--ad-hoc correction for model radiative balance tuning
322	!--now outside alboc_cd routine
323	alb_eau(1:knon) = fmagic*alb_eau(1:knon) + pmagic
324	alb_eau(1:knon)=MIN(MAX(alb_eau(1:knon),0.0),1.0)
325	!
326	ELSE
327	!
328	DO i =1, knon
329	yrlat(i) = rlat(knindex(i))
330	ENDDO
331
332	CALL alboc(knon, REAL(jour), yrlat, alb_eau)
333	!--ad-hoc correction for model radiative balance tuning
334	!--now outside alboc routine
335	alb_eau(1:knon) = fmagic*alb_eau(1:knon) + pmagic
336	alb_eau(1:knon)=MIN(MAX(alb_eau(1:knon),0.04),0.60)
337	!
338	ENDIF
339	!
340	DO i =1, knon
341	DO k=1,nsw
342	alb_dir_new(i,k) = alb_eau(i)
343	ENDDO
344	ENDDO
345	!IM 09122015 next line corresponds to the old way of doing in LMDZ5A/IPSLCM5A versions
346	!albedo for diffuse radiation is taken the same as for direct radiation
347	alb_dif_new(1:knon,:)=alb_dir_new(1:knon,:)
348	!IM 09122015 end
349	!
350	ELSE IF (iflag_albedo==1) THEN
351	!--new parametrization of ocean surface albedo by Sunghye Baek
352	!--albedo for direct and diffuse radiation are different
353	!
354	CALL checksum("yalb_dir_new_ocean",alb_dir_new(1:knon,:))
355	CALL ocean_albedo(knon,rmu0,knindex,windsp,SFRWL,alb_dir_new,alb_dif_new)
356	CALL checksum("yalb_dir_new_ocean",alb_dir_new(1:knon,:))
357
358	!
359	!--ad-hoc correction for model radiative balance tuning
360	alb_dir_new(1:knon,:) = fmagic*alb_dir_new(1:knon,:) + pmagic
361	alb_dif_new(1:knon,:) = fmagic*alb_dif_new(1:knon,:) + pmagic
362	alb_dir_new(1:knon,:)=MIN(MAX(alb_dir_new(1:knon,:),0.0),1.0)
363	alb_dif_new(1:knon,:)=MIN(MAX(alb_dif_new(1:knon,:),0.0),1.0)
364	!
365	ELSE IF (iflag_albedo==2) THEN
366	! F. Codron albedo read from limit.nc
367	CALL limit_read_rug_alb(itime, dtime, jour,&
368	knon, knindex, z0_lim, alb_eau)
369	DO i =1, knon
370	DO k=1,nsw
371	alb_dir_new(i,k) = alb_eau(i)
372	ENDDO
373	ENDDO
374	alb_dif_new=alb_dir_new
375	ENDIF
376	!albedo SB <<<
377
378	!******************************************************************************
379	! Calculate the rugosity
380	!******************************************************************************
381	IF (iflag_z0_oce==0) THEN
382	DO i = 1, knon
383	tmp = MAX(cepdu2,gustiness(i)+u1(i)2+v1(i)2)
384	z0m(i) = 0.018cdragm(i) (gustiness(i)+u1(i)2+v1(i)2)/RG &
385	+ 0.1114e-6 / SQRT(cdragm(i) tmp)
386	z0m(i) = MAX(1.5e-05,z0m(i))
387	ENDDO
388	z0h(1:knon)=z0m(1:knon) ! En attendant mieux
389
390	ELSE IF (iflag_z0_oce==1) THEN
391	DO i = 1, knon
392	tmp = MAX(cepdu2,gustiness(i)+u1(i)2+v1(i)2)
393	z0m(i) = 0.018cdragm(i) (gustiness(i)+u1(i)2+v1(i)2)/RG &
394	+ 0.1114e-6 / SQRT(cdragm(i) tmp)
395	z0m(i) = MAX(1.5e-05,z0m(i))
396	z0h(i)=0.414e-6 / SQRT(cdragm(i) tmp)
397	ENDDO
398	ELSE IF (iflag_z0_oce==-1) THEN
399	DO i = 1, knon
400	z0m(i) = z0min
401	z0h(i) = z0min
402	ENDDO
403	ELSE
404	CALL abort_physic(modname,'version non prevue',1)
405	ENDIF
406
407	if (activate_ocean_skin >= 1) then
408	!ym not porting to GPU for now
409	if (type_ocean /= 'couple') sss(:knon) = 35.
410	!$gpum nocall
411	call bulk_flux(tkt, tks, taur, dter, dser, t_int, s_int, ds_ns, dt_ns, &
412	u = windsp(:knon), t_ocean_1 = tsurf_new(:knon), s1 = sss(:knon), &
413	rain = precip_rain(:knon) + precip_totsnow(:knon), &
414	hf = - fluxsens(:knon), hlb = - fluxlat(:knon), &
415	rnl = - lwnet(:knon), &
416	tau = sqrt(flux_u1(:knon)2 + flux_v1(:knon)2), rhoa = rhoa, &
417	xlv = [(rlvtt, i = 1, knon)], rf = - sens_prec_liq, dtime = dtime, &
418	rns = swnet(:knon))
419	delta_sst = t_int - tsurf_new(:knon)
420	delta_sal = s_int - sss(:knon)
421
422	if (activate_ocean_skin == 2) then
423	tsurf_new(:knon) = t_int
424	if (type_ocean == 'couple') dt_ds = (tks / tkt) * dter
425	end if
426	end if
427
428	END SUBROUTINE surf_ocean
429	!****************************************************************************
430	!
431	END MODULE surf_ocean_mod

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