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surf_ocean_mod.F90 @ 5449

Last change on this file since 5449 was 5285, checked in by abarral, 8 weeks ago
As discussed internally, remove generic ONLY: ... for new _mod_h modules
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: 16.3 KB

Line
1	!
2	! $Id: surf_ocean_mod.F90 5285 2024-10-28 13:33:29Z fhourdin $
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	dt_ds, tkt, tks, taur, sss &
24	#ifdef ISO
25	& ,xtprecip_rain, xtprecip_snow,xtspechum,Roce, &
26	& xtsnow,xtevap,h1 &
27	#endif
28	& )
29
30	use albedo, only: alboc, alboc_cd
31	use bulk_flux_m, only: bulk_flux
32	USE dimphy, ONLY: klon, zmasq
33	USE surface_data, ONLY : type_ocean
34	USE ocean_forced_mod, ONLY : ocean_forced_noice
35	USE ocean_slab_mod, ONLY : ocean_slab_noice
36	USE ocean_cpl_mod, ONLY : ocean_cpl_noice
37	USE indice_sol_mod, ONLY : nbsrf, is_oce
38	#ifdef ISO
39	USE infotrac_phy, ONLY : ntraciso=>ntiso,niso
40	#ifdef ISOVERIF
41	USE isotopes_mod, ONLY: iso_eau,ridicule
42	USE isotopes_verif_mod
43	#endif
44	#endif
45	USE clesphys_mod_h
46	USE yomcst_mod_h
47	USE limit_read_mod
48	USE config_ocean_skin_m, ONLY: activate_ocean_skin
49	!
50	! This subroutine will make a call to ocean_XXX_noice according to the ocean mode (force,
51	! slab or couple). The calculations of albedo and rugosity for the ocean surface are
52	! done in here because they are identical for the different modes of ocean.
53
54
55
56
57	! for cycle_diurne and for iflag_z0_oce==-1 (prescribed z0)
58
59	! Input variables
60	!******************************************************************************
61	INTEGER, INTENT(IN) :: itime, jour, knon
62	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
63	REAL, INTENT(IN) :: dtime
64	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
65	REAL, DIMENSION(klon), INTENT(IN) :: swnet ! net shortwave radiation at surface
66	REAL, DIMENSION(klon), INTENT(IN) :: lwnet ! net longwave radiation at surface
67	REAL, DIMENSION(klon), INTENT(IN) :: alb1 ! albedo in visible SW interval
68	REAL, DIMENSION(klon), INTENT(IN) :: windsp ! wind at 10 m, in m s-1
69	REAL, DIMENSION(klon), INTENT(IN) :: rmu0
70	REAL, DIMENSION(klon), INTENT(IN) :: fder
71	REAL, DIMENSION(klon), INTENT(IN) :: tsurf_in ! defined only for subscripts 1:knon
72	REAL, DIMENSION(klon), INTENT(IN) :: p1lay,z1lay ! pression (Pa) et altitude (m) du premier niveau
73	REAL, DIMENSION(klon), INTENT(IN) :: cdragh
74	REAL, DIMENSION(klon), INTENT(IN) :: cdragm
75	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow, precip_bs
76	REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum
77	REAL, DIMENSION(klon), INTENT(IN) :: AcoefH, AcoefQ, 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	! In/Output variables
89	!******************************************************************************
90	REAL, DIMENSION(klon), INTENT(INOUT) :: snow
91	REAL, DIMENSION(klon), INTENT(INOUT) :: qsurf
92	REAL, DIMENSION(klon), INTENT(INOUT) :: agesno
93	REAL, DIMENSION(klon), INTENT(inOUT) :: z0h
94	#ifdef ISO
95	REAL, DIMENSION(niso,klon), INTENT(IN) :: xtsnow
96	REAL, DIMENSION(niso,klon), INTENT(INOUT):: Roce
97	#endif
98
99	REAL, intent(inout):: delta_sst(:) ! (knon)
100	! Ocean-air interface temperature minus bulk SST, in K. Defined
101	! only if activate_ocean_skin >= 1.
102
103	real, intent(inout):: delta_sal(:) ! (knon)
104	! Ocean-air interface salinity minus bulk salinity, in ppt. Defined
105	! only if activate_ocean_skin >= 1.
106
107	REAL, intent(inout):: ds_ns(:) ! (knon)
108	! "delta salinity near surface". Salinity variation in the
109	! near-surface turbulent layer. That is subskin salinity minus
110	! foundation salinity. In ppt.
111
112	REAL, intent(inout):: dt_ns(:) ! (knon)
113	! "delta temperature near surface". Temperature variation in the
114	! near-surface turbulent layer. That is subskin temperature
115	! minus foundation temperature. (Can be negative.) In K.
116
117	REAL, intent(inout):: dter(:) ! (knon)
118	! Temperature variation in the diffusive microlayer, that is
119	! ocean-air interface temperature minus subskin temperature. In
120	! K.
121
122	REAL, intent(inout):: dser(:) ! (knon)
123	! Salinity variation in the diffusive microlayer, that is
124	! ocean-air interface salinity minus subskin salinity. In ppt.
125
126	real, intent(inout):: dt_ds(:) ! (knon)
127	! (tks / tkt) * dTer, in K
128
129	! Output variables
130	!**************************************************************************
131	REAL, DIMENSION(klon), INTENT(OUT) :: z0m
132	!albedo SB >>>
133	! REAL, DIMENSION(klon), INTENT(OUT) :: alb1_new ! new albedo in visible SW interval
134	! REAL, DIMENSION(klon), INTENT(OUT) :: alb2_new ! new albedo in near IR interval
135	REAL, DIMENSION(6), INTENT(IN) :: SFRWL
136	REAL, DIMENSION(klon,nsw), INTENT(OUT) :: alb_dir_new,alb_dif_new
137	!albedo SB <<<
138	REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat
139	REAL, DIMENSION(klon), INTENT(OUT) :: tsurf_new ! sea surface temperature, in K
140	REAL, DIMENSION(klon), INTENT(OUT) :: dflux_s, dflux_l
141	REAL, DIMENSION(klon), INTENT(OUT) :: lmt_bils
142	REAL, DIMENSION(klon), INTENT(OUT) :: flux_u1, flux_v1
143
144	REAL, intent(out):: tkt(:) ! (knon)
145	! �paisseur (m) de la couche de diffusion thermique (microlayer)
146	! cool skin thickness
147
148	REAL, intent(out):: tks(:) ! (knon)
149	! �paisseur (m) de la couche de diffusion de masse (microlayer)
150
151	REAL, intent(out):: taur(:) ! (knon)
152	! momentum flux due to rain, in Pa
153
154	real, intent(out):: sss(:) ! (klon)
155	! Bulk salinity of the surface layer of the ocean, in ppt. (Only
156	! defined for subscripts 1:knon, but we have to declare it with
157	! size klon because of the coupling machinery.)
158
159	#ifdef ISO
160	REAL, DIMENSION(ntraciso,klon), INTENT(out) :: xtevap ! isotopes in surface evaporation flux
161	REAL, DIMENSION(klon), INTENT(out) :: h1 ! just a diagnostic, not useful for the simulation
162	#endif
163
164	! Local variables
165	!*************************************************************************
166	INTEGER :: i, k
167	REAL :: tmp
168	REAL, PARAMETER :: cepdu2=(0.1)**2
169	REAL, DIMENSION(klon) :: alb_eau, z0_lim
170	REAL, DIMENSION(klon) :: radsol
171	REAL, DIMENSION(klon) :: cdragq ! Cdrag pour l'evaporation
172	REAL, DIMENSION(klon) :: precip_totsnow
173	CHARACTER(len=20),PARAMETER :: modname="surf_ocean"
174	REAL rhoa(knon) ! density of moist air (kg / m3)
175	REAL sens_prec_liq(knon)
176
177	REAL t_int(knon) ! ocean-air interface temperature, in K
178	REAL s_int(knon) ! ocean-air interface salinity, in ppt
179
180	!**************************************************************************
181
182	#ifdef ISO
183	#ifdef ISOVERIF
184	DO i = 1, knon
185	IF (iso_eau > 0) THEN
186	CALL iso_verif_egalite_choix(xtspechum(iso_eau,i), &
187	& spechum(i),'surf_ocean_mod 117', &
188	& errmax,errmaxrel)
189	CALL iso_verif_egalite_choix(xtsnow(iso_eau,i), &
190	& snow(i),'surf_ocean_mod 127', &
191	& errmax,errmaxrel)
192	ENDIF !IF (iso_eau > 0) then
193	ENDDO !DO i=1,klon
194	#endif
195	#endif
196
197	!******************************************************************************
198	! Calculate total net radiance at surface
199	!
200	!******************************************************************************
201	radsol(1:klon) = 0.0 ! initialisation a priori inutile
202	radsol(1:knon) = swnet(1:knon) + lwnet(1:knon)
203
204
205	!****************************************************************************************
206	!Total solid precip
207
208	IF (ok_bs) THEN
209	precip_totsnow(:)=precip_snow(:)+precip_bs(:)
210	ELSE
211	precip_totsnow(:)=precip_snow(:)
212	ENDIF
213
214
215	!******************************************************************************
216	! Cdragq computed from cdrag
217	! The difference comes only from a factor (f_z0qh_oce) on z0, so that
218	! it can be computed inside surf_ocean
219	! More complicated appraches may require the propagation through
220	! pbl_surface of an independant cdragq variable.
221	!******************************************************************************
222
223	IF ( f_z0qh_oce .ne. 1.) THEN
224	! Si on suit les formulations par exemple de Tessel, on
225	! a z0h=0.4nu/u, z0q=0.62nu/u, d'ou f_z0qh_oce=0.62/0.4=1.55
226	cdragq(1:knon)=cdragh(1:knon)* &
227	log(z1lay(1:knon)/z0h(1:knon))/log(z1lay(1:knon)/(f_z0qh_oce*z0h(1:knon)))
228	ELSE
229	cdragq(1:knon)=cdragh(1:knon)
230	ENDIF
231
232	rhoa = PS(:KNON) / (Rd * temp_air(:knon) * (1. + retv * spechum(:knon)))
233	!******************************************************************************
234	! Switch according to type of ocean (couple, slab or forced)
235	!******************************************************************************
236	SELECT CASE(type_ocean)
237	CASE('couple')
238	CALL ocean_cpl_noice( &
239	swnet, lwnet, alb1, &
240	windsp, fder, &
241	itime, dtime, knon, knindex, &
242	p1lay, cdragh, cdragq, cdragm, precip_rain, precip_totsnow,temp_air,spechum,&
243	AcoefH, AcoefQ, BcoefH, BcoefQ, &
244	AcoefU, AcoefV, BcoefU, BcoefV, &
245	ps, u1, v1, gustiness, tsurf_in, &
246	radsol, snow, agesno, &
247	qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, &
248	tsurf_new, dflux_s, dflux_l, sens_prec_liq, sss, delta_sal, rhoa, &
249	delta_sst, dTer, dSer, dt_ds)
250
251	CASE('slab')
252	CALL ocean_slab_noice( &
253	itime, dtime, jour, knon, knindex, &
254	p1lay, cdragh, cdragq, cdragm, precip_rain, precip_totsnow, temp_air, spechum,&
255	AcoefH, AcoefQ, BcoefH, BcoefQ, &
256	AcoefU, AcoefV, BcoefU, BcoefV, &
257	ps, u1, v1, gustiness, tsurf_in, &
258	radsol, snow, &
259	qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, &
260	tsurf_new, dflux_s, dflux_l, lmt_bils)
261
262	CASE('force')
263	CALL ocean_forced_noice( &
264	itime, dtime, jour, knon, knindex, &
265	p1lay, cdragh, cdragq, cdragm, precip_rain, precip_totsnow, &
266	temp_air, spechum, &
267	AcoefH, AcoefQ, BcoefH, BcoefQ, &
268	AcoefU, AcoefV, BcoefU, BcoefV, &
269	ps, u1, v1, gustiness, tsurf_in, &
270	radsol, snow, agesno, &
271	qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, &
272	tsurf_new, dflux_s, dflux_l, sens_prec_liq, rhoa &
273	#ifdef ISO
274	,xtprecip_rain, xtprecip_snow, xtspechum,Roce,rlat, &
275	xtsnow,xtevap,h1 &
276	#endif
277	)
278	END SELECT
279
280	!******************************************************************************
281	! fcodron: compute lmt_bils forced case (same as wfbils_oce / 1.-contfracatm)
282	!******************************************************************************
283	IF (type_ocean.NE.'slab') THEN
284	lmt_bils(1:klon)=0.
285	DO i=1,knon
286	lmt_bils(knindex(i))=(swnet(i)+lwnet(i)+fluxsens(i)+fluxlat(i)) &
287	*pctsrf(knindex(i),is_oce)/(1.-zmasq(knindex(i)))
288	END DO
289	END IF
290
291	!******************************************************************************
292	! Calculate ocean surface albedo
293	!******************************************************************************
294	!albedo SB >>>
295	IF (iflag_albedo==0) THEN
296	!--old parametrizations of ocean surface albedo
297	!
298	IF (iflag_cycle_diurne.GE.1) THEN
299	!
300	CALL alboc_cd(rmu0,alb_eau)
301	!
302	!--ad-hoc correction for model radiative balance tuning
303	!--now outside alboc_cd routine
304	alb_eau(1:klon) = fmagic*alb_eau(1:klon) + pmagic
305	alb_eau(1:klon)=MIN(MAX(alb_eau(1:klon),0.0),1.0)
306	!
307	ELSE
308	!
309	CALL alboc(REAL(jour),rlat,alb_eau)
310	!--ad-hoc correction for model radiative balance tuning
311	!--now outside alboc routine
312	alb_eau(1:klon) = fmagic*alb_eau(1:klon) + pmagic
313	alb_eau(1:klon)=MIN(MAX(alb_eau(1:klon),0.04),0.60)
314	!
315	ENDIF
316	!
317	DO i =1, knon
318	DO k=1,nsw
319	alb_dir_new(i,k) = alb_eau(knindex(i))
320	ENDDO
321	ENDDO
322	!IM 09122015 next line corresponds to the old way of doing in LMDZ5A/IPSLCM5A versions
323	!albedo for diffuse radiation is taken the same as for direct radiation
324	alb_dif_new(1:knon,:)=alb_dir_new(1:knon,:)
325	!IM 09122015 end
326	!
327	ELSE IF (iflag_albedo==1) THEN
328	!--new parametrization of ocean surface albedo by Sunghye Baek
329	!--albedo for direct and diffuse radiation are different
330	!
331	CALL ocean_albedo(knon,rmu0,knindex,windsp,SFRWL,alb_dir_new,alb_dif_new)
332	!
333	!--ad-hoc correction for model radiative balance tuning
334	alb_dir_new(1:knon,:) = fmagic*alb_dir_new(1:knon,:) + pmagic
335	alb_dif_new(1:knon,:) = fmagic*alb_dif_new(1:knon,:) + pmagic
336	alb_dir_new(1:knon,:)=MIN(MAX(alb_dir_new(1:knon,:),0.0),1.0)
337	alb_dif_new(1:knon,:)=MIN(MAX(alb_dif_new(1:knon,:),0.0),1.0)
338	!
339	ELSE IF (iflag_albedo==2) THEN
340	! F. Codron albedo read from limit.nc
341	CALL limit_read_rug_alb(itime, dtime, jour,&
342	knon, knindex, z0_lim, alb_eau)
343	DO i =1, knon
344	DO k=1,nsw
345	alb_dir_new(i,k) = alb_eau(i)
346	ENDDO
347	ENDDO
348	alb_dif_new=alb_dir_new
349	ENDIF
350	!albedo SB <<<
351
352	!******************************************************************************
353	! Calculate the rugosity
354	!******************************************************************************
355	IF (iflag_z0_oce==0) THEN
356	DO i = 1, knon
357	tmp = MAX(cepdu2,gustiness(i)+u1(i)2+v1(i)2)
358	z0m(i) = 0.018cdragm(i) (gustiness(i)+u1(i)2+v1(i)2)/RG &
359	+ 0.1114e-6 / SQRT(cdragm(i) tmp)
360	z0m(i) = MAX(1.5e-05,z0m(i))
361	ENDDO
362	z0h(1:knon)=z0m(1:knon) ! En attendant mieux
363
364	ELSE IF (iflag_z0_oce==1) THEN
365	DO i = 1, knon
366	tmp = MAX(cepdu2,gustiness(i)+u1(i)2+v1(i)2)
367	z0m(i) = 0.018cdragm(i) (gustiness(i)+u1(i)2+v1(i)2)/RG &
368	+ 0.1114e-6 / SQRT(cdragm(i) tmp)
369	z0m(i) = MAX(1.5e-05,z0m(i))
370	z0h(i)=0.414e-6 / SQRT(cdragm(i) tmp)
371	ENDDO
372	ELSE IF (iflag_z0_oce==-1) THEN
373	DO i = 1, knon
374	z0m(i) = z0min
375	z0h(i) = z0min
376	ENDDO
377	ELSE
378	CALL abort_physic(modname,'version non prevue',1)
379	ENDIF
380
381	if (activate_ocean_skin >= 1) then
382	if (type_ocean /= 'couple') sss(:knon) = 35.
383	call bulk_flux(tkt, tks, taur, dter, dser, t_int, s_int, ds_ns, dt_ns, &
384	u = windsp(:knon), t_ocean_1 = tsurf_new(:knon), s1 = sss(:knon), &
385	rain = precip_rain(:knon) + precip_totsnow(:knon), &
386	hf = - fluxsens(:knon), hlb = - fluxlat(:knon), &
387	rnl = - lwnet(:knon), &
388	tau = sqrt(flux_u1(:knon)2 + flux_v1(:knon)2), rhoa = rhoa, &
389	xlv = [(rlvtt, i = 1, knon)], rf = - sens_prec_liq, dtime = dtime, &
390	rns = swnet(:knon))
391	delta_sst = t_int - tsurf_new(:knon)
392	delta_sal = s_int - sss(:knon)
393
394	if (activate_ocean_skin == 2) then
395	tsurf_new(:knon) = t_int
396	if (type_ocean == 'couple') dt_ds = (tks / tkt) * dter
397	end if
398	end if
399
400	END SUBROUTINE surf_ocean
401	!****************************************************************************
402	!
403	END MODULE surf_ocean_mod

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