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surf_ocean_mod.F90 @ 5274

Last change on this file since 5274 was 5274, checked in by abarral, 9 hours ago
Replace yomcst.h by existing module
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: 17.0 KB

Line
1	!
2	! $Id: surf_ocean_mod.F90 5274 2024-10-25 13:41:23Z abarral $
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 yomcst_mod_h, ONLY: RPI, RCLUM, RHPLA, RKBOL, RNAVO &
46	, RDAY, REA, REPSM, RSIYEA, RSIDAY, ROMEGA &
47	, R_ecc, R_peri, R_incl &
48	, RA, RG, R1SA &
49	, RSIGMA &
50	, R, RMD, RMV, RD, RV, RCPD &
51	, RMO3, RMCO2, RMC, RMCH4, RMN2O, RMCFC11, RMCFC12 &
52	, RCPV, RCVD, RCVV, RKAPPA, RETV, eps_w &
53	, RCW, RCS &
54	, RLVTT, RLSTT, RLMLT, RTT, RATM &
55	, RESTT, RALPW, RBETW, RGAMW, RALPS, RBETS, RGAMS &
56	, RALPD, RBETD, RGAMD
57	USE limit_read_mod
58	USE config_ocean_skin_m, ONLY: activate_ocean_skin
59	!
60	! This subroutine will make a call to ocean_XXX_noice according to the ocean mode (force,
61	! slab or couple). The calculations of albedo and rugosity for the ocean surface are
62	! done in here because they are identical for the different modes of ocean.
63
64
65
66
67	include "clesphys.h"
68	! for cycle_diurne and for iflag_z0_oce==-1 (prescribed z0)
69
70	! Input variables
71	!******************************************************************************
72	INTEGER, INTENT(IN) :: itime, jour, knon
73	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
74	REAL, INTENT(IN) :: dtime
75	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
76	REAL, DIMENSION(klon), INTENT(IN) :: swnet ! net shortwave radiation at surface
77	REAL, DIMENSION(klon), INTENT(IN) :: lwnet ! net longwave radiation at surface
78	REAL, DIMENSION(klon), INTENT(IN) :: alb1 ! albedo in visible SW interval
79	REAL, DIMENSION(klon), INTENT(IN) :: windsp ! wind at 10 m, in m s-1
80	REAL, DIMENSION(klon), INTENT(IN) :: rmu0
81	REAL, DIMENSION(klon), INTENT(IN) :: fder
82	REAL, DIMENSION(klon), INTENT(IN) :: tsurf_in ! defined only for subscripts 1:knon
83	REAL, DIMENSION(klon), INTENT(IN) :: p1lay,z1lay ! pression (Pa) et altitude (m) du premier niveau
84	REAL, DIMENSION(klon), INTENT(IN) :: cdragh
85	REAL, DIMENSION(klon), INTENT(IN) :: cdragm
86	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow, precip_bs
87	REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum
88	REAL, DIMENSION(klon), INTENT(IN) :: AcoefH, AcoefQ, BcoefH, BcoefQ
89	REAL, DIMENSION(klon), INTENT(IN) :: AcoefU, AcoefV, BcoefU, BcoefV
90	REAL, DIMENSION(klon), INTENT(IN) :: ps
91	REAL, DIMENSION(klon), INTENT(IN) :: u1, v1, gustiness
92	REAL, DIMENSION(klon), INTENT(IN) :: rugoro
93	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
94	#ifdef ISO
95	REAL, DIMENSION(ntraciso,klon), INTENT(IN) :: xtprecip_rain, xtprecip_snow
96	REAL, DIMENSION(ntraciso,klon), INTENT(IN) :: xtspechum
97	#endif
98
99	! In/Output variables
100	!******************************************************************************
101	REAL, DIMENSION(klon), INTENT(INOUT) :: snow
102	REAL, DIMENSION(klon), INTENT(INOUT) :: qsurf
103	REAL, DIMENSION(klon), INTENT(INOUT) :: agesno
104	REAL, DIMENSION(klon), INTENT(inOUT) :: z0h
105	#ifdef ISO
106	REAL, DIMENSION(niso,klon), INTENT(IN) :: xtsnow
107	REAL, DIMENSION(niso,klon), INTENT(INOUT):: Roce
108	#endif
109
110	REAL, intent(inout):: delta_sst(:) ! (knon)
111	! Ocean-air interface temperature minus bulk SST, in K. Defined
112	! only if activate_ocean_skin >= 1.
113
114	real, intent(inout):: delta_sal(:) ! (knon)
115	! Ocean-air interface salinity minus bulk salinity, in ppt. Defined
116	! only if activate_ocean_skin >= 1.
117
118	REAL, intent(inout):: ds_ns(:) ! (knon)
119	! "delta salinity near surface". Salinity variation in the
120	! near-surface turbulent layer. That is subskin salinity minus
121	! foundation salinity. In ppt.
122
123	REAL, intent(inout):: dt_ns(:) ! (knon)
124	! "delta temperature near surface". Temperature variation in the
125	! near-surface turbulent layer. That is subskin temperature
126	! minus foundation temperature. (Can be negative.) In K.
127
128	REAL, intent(inout):: dter(:) ! (knon)
129	! Temperature variation in the diffusive microlayer, that is
130	! ocean-air interface temperature minus subskin temperature. In
131	! K.
132
133	REAL, intent(inout):: dser(:) ! (knon)
134	! Salinity variation in the diffusive microlayer, that is
135	! ocean-air interface salinity minus subskin salinity. In ppt.
136
137	real, intent(inout):: dt_ds(:) ! (knon)
138	! (tks / tkt) * dTer, in K
139
140	! Output variables
141	!**************************************************************************
142	REAL, DIMENSION(klon), 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(klon,nsw), INTENT(OUT) :: alb_dir_new,alb_dif_new
148	!albedo SB <<<
149	REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat
150	REAL, DIMENSION(klon), INTENT(OUT) :: tsurf_new ! sea surface temperature, in K
151	REAL, DIMENSION(klon), INTENT(OUT) :: dflux_s, dflux_l
152	REAL, DIMENSION(klon), INTENT(OUT) :: lmt_bils
153	REAL, DIMENSION(klon), INTENT(OUT) :: flux_u1, flux_v1
154
155	REAL, intent(out):: tkt(:) ! (knon)
156	! �paisseur (m) de la couche de diffusion thermique (microlayer)
157	! cool skin thickness
158
159	REAL, intent(out):: tks(:) ! (knon)
160	! �paisseur (m) de la couche de diffusion de masse (microlayer)
161
162	REAL, intent(out):: taur(:) ! (knon)
163	! momentum flux due to rain, in Pa
164
165	real, intent(out):: sss(:) ! (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,klon), INTENT(out) :: xtevap ! isotopes in surface evaporation flux
172	REAL, DIMENSION(klon), 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)**2
180	REAL, DIMENSION(klon) :: alb_eau, z0_lim
181	REAL, DIMENSION(klon) :: radsol
182	REAL, DIMENSION(klon) :: cdragq ! Cdrag pour l'evaporation
183	REAL, DIMENSION(klon) :: 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
191	!**************************************************************************
192
193	#ifdef ISO
194	#ifdef ISOVERIF
195	DO i = 1, knon
196	IF (iso_eau > 0) THEN
197	CALL iso_verif_egalite_choix(xtspechum(iso_eau,i), &
198	& spechum(i),'surf_ocean_mod 117', &
199	& errmax,errmaxrel)
200	CALL iso_verif_egalite_choix(xtsnow(iso_eau,i), &
201	& snow(i),'surf_ocean_mod 127', &
202	& errmax,errmaxrel)
203	ENDIF !IF (iso_eau > 0) then
204	ENDDO !DO i=1,klon
205	#endif
206	#endif
207
208	!******************************************************************************
209	! Calculate total net radiance at surface
210	!
211	!******************************************************************************
212	radsol(1:klon) = 0.0 ! initialisation a priori inutile
213	radsol(1:knon) = swnet(1:knon) + lwnet(1:knon)
214
215
216	!****************************************************************************************
217	!Total solid precip
218
219	IF (ok_bs) THEN
220	precip_totsnow(:)=precip_snow(:)+precip_bs(:)
221	ELSE
222	precip_totsnow(:)=precip_snow(:)
223	ENDIF
224
225
226	!******************************************************************************
227	! Cdragq computed from cdrag
228	! The difference comes only from a factor (f_z0qh_oce) on z0, so that
229	! it can be computed inside surf_ocean
230	! More complicated appraches may require the propagation through
231	! pbl_surface of an independant cdragq variable.
232	!******************************************************************************
233
234	IF ( f_z0qh_oce .ne. 1.) THEN
235	! Si on suit les formulations par exemple de Tessel, on
236	! a z0h=0.4nu/u, z0q=0.62nu/u, d'ou f_z0qh_oce=0.62/0.4=1.55
237	cdragq(1:knon)=cdragh(1:knon)* &
238	log(z1lay(1:knon)/z0h(1:knon))/log(z1lay(1:knon)/(f_z0qh_oce*z0h(1:knon)))
239	ELSE
240	cdragq(1:knon)=cdragh(1:knon)
241	ENDIF
242
243	rhoa = PS(:KNON) / (Rd * temp_air(:knon) * (1. + retv * spechum(:knon)))
244	!******************************************************************************
245	! Switch according to type of ocean (couple, slab or forced)
246	!******************************************************************************
247	SELECT CASE(type_ocean)
248	CASE('couple')
249	CALL ocean_cpl_noice( &
250	swnet, lwnet, alb1, &
251	windsp, fder, &
252	itime, dtime, knon, knindex, &
253	p1lay, cdragh, cdragq, cdragm, precip_rain, precip_totsnow,temp_air,spechum,&
254	AcoefH, AcoefQ, BcoefH, BcoefQ, &
255	AcoefU, AcoefV, BcoefU, BcoefV, &
256	ps, u1, v1, gustiness, tsurf_in, &
257	radsol, snow, agesno, &
258	qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, &
259	tsurf_new, dflux_s, dflux_l, sens_prec_liq, sss, delta_sal, rhoa, &
260	delta_sst, dTer, dSer, dt_ds)
261
262	CASE('slab')
263	CALL ocean_slab_noice( &
264	itime, dtime, jour, knon, knindex, &
265	p1lay, cdragh, cdragq, cdragm, precip_rain, precip_totsnow, temp_air, spechum,&
266	AcoefH, AcoefQ, BcoefH, BcoefQ, &
267	AcoefU, AcoefV, BcoefU, BcoefV, &
268	ps, u1, v1, gustiness, tsurf_in, &
269	radsol, snow, &
270	qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, &
271	tsurf_new, dflux_s, dflux_l, lmt_bils)
272
273	CASE('force')
274	CALL ocean_forced_noice( &
275	itime, dtime, jour, knon, knindex, &
276	p1lay, cdragh, cdragq, cdragm, precip_rain, precip_totsnow, &
277	temp_air, spechum, &
278	AcoefH, AcoefQ, BcoefH, BcoefQ, &
279	AcoefU, AcoefV, BcoefU, BcoefV, &
280	ps, u1, v1, gustiness, tsurf_in, &
281	radsol, snow, agesno, &
282	qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, &
283	tsurf_new, dflux_s, dflux_l, sens_prec_liq, rhoa &
284	#ifdef ISO
285	,xtprecip_rain, xtprecip_snow, xtspechum,Roce,rlat, &
286	xtsnow,xtevap,h1 &
287	#endif
288	)
289	END SELECT
290
291	!******************************************************************************
292	! fcodron: compute lmt_bils forced case (same as wfbils_oce / 1.-contfracatm)
293	!******************************************************************************
294	IF (type_ocean.NE.'slab') THEN
295	lmt_bils(1:klon)=0.
296	DO i=1,knon
297	lmt_bils(knindex(i))=(swnet(i)+lwnet(i)+fluxsens(i)+fluxlat(i)) &
298	*pctsrf(knindex(i),is_oce)/(1.-zmasq(knindex(i)))
299	END DO
300	END IF
301
302	!******************************************************************************
303	! Calculate ocean surface albedo
304	!******************************************************************************
305	!albedo SB >>>
306	IF (iflag_albedo==0) THEN
307	!--old parametrizations of ocean surface albedo
308	!
309	IF (iflag_cycle_diurne.GE.1) THEN
310	!
311	CALL alboc_cd(rmu0,alb_eau)
312	!
313	!--ad-hoc correction for model radiative balance tuning
314	!--now outside alboc_cd routine
315	alb_eau(1:klon) = fmagic*alb_eau(1:klon) + pmagic
316	alb_eau(1:klon)=MIN(MAX(alb_eau(1:klon),0.0),1.0)
317	!
318	ELSE
319	!
320	CALL alboc(REAL(jour),rlat,alb_eau)
321	!--ad-hoc correction for model radiative balance tuning
322	!--now outside alboc routine
323	alb_eau(1:klon) = fmagic*alb_eau(1:klon) + pmagic
324	alb_eau(1:klon)=MIN(MAX(alb_eau(1:klon),0.04),0.60)
325	!
326	ENDIF
327	!
328	DO i =1, knon
329	DO k=1,nsw
330	alb_dir_new(i,k) = alb_eau(knindex(i))
331	ENDDO
332	ENDDO
333	!IM 09122015 next line corresponds to the old way of doing in LMDZ5A/IPSLCM5A versions
334	!albedo for diffuse radiation is taken the same as for direct radiation
335	alb_dif_new(1:knon,:)=alb_dir_new(1:knon,:)
336	!IM 09122015 end
337	!
338	ELSE IF (iflag_albedo==1) THEN
339	!--new parametrization of ocean surface albedo by Sunghye Baek
340	!--albedo for direct and diffuse radiation are different
341	!
342	CALL ocean_albedo(knon,rmu0,knindex,windsp,SFRWL,alb_dir_new,alb_dif_new)
343	!
344	!--ad-hoc correction for model radiative balance tuning
345	alb_dir_new(1:knon,:) = fmagic*alb_dir_new(1:knon,:) + pmagic
346	alb_dif_new(1:knon,:) = fmagic*alb_dif_new(1:knon,:) + pmagic
347	alb_dir_new(1:knon,:)=MIN(MAX(alb_dir_new(1:knon,:),0.0),1.0)
348	alb_dif_new(1:knon,:)=MIN(MAX(alb_dif_new(1:knon,:),0.0),1.0)
349	!
350	ELSE IF (iflag_albedo==2) THEN
351	! F. Codron albedo read from limit.nc
352	CALL limit_read_rug_alb(itime, dtime, jour,&
353	knon, knindex, z0_lim, alb_eau)
354	DO i =1, knon
355	DO k=1,nsw
356	alb_dir_new(i,k) = alb_eau(i)
357	ENDDO
358	ENDDO
359	alb_dif_new=alb_dir_new
360	ENDIF
361	!albedo SB <<<
362
363	!******************************************************************************
364	! Calculate the rugosity
365	!******************************************************************************
366	IF (iflag_z0_oce==0) THEN
367	DO i = 1, knon
368	tmp = MAX(cepdu2,gustiness(i)+u1(i)2+v1(i)2)
369	z0m(i) = 0.018cdragm(i) (gustiness(i)+u1(i)2+v1(i)2)/RG &
370	+ 0.1114e-6 / SQRT(cdragm(i) tmp)
371	z0m(i) = MAX(1.5e-05,z0m(i))
372	ENDDO
373	z0h(1:knon)=z0m(1:knon) ! En attendant mieux
374
375	ELSE IF (iflag_z0_oce==1) THEN
376	DO i = 1, knon
377	tmp = MAX(cepdu2,gustiness(i)+u1(i)2+v1(i)2)
378	z0m(i) = 0.018cdragm(i) (gustiness(i)+u1(i)2+v1(i)2)/RG &
379	+ 0.1114e-6 / SQRT(cdragm(i) tmp)
380	z0m(i) = MAX(1.5e-05,z0m(i))
381	z0h(i)=0.414e-6 / SQRT(cdragm(i) tmp)
382	ENDDO
383	ELSE IF (iflag_z0_oce==-1) THEN
384	DO i = 1, knon
385	z0m(i) = z0min
386	z0h(i) = z0min
387	ENDDO
388	ELSE
389	CALL abort_physic(modname,'version non prevue',1)
390	ENDIF
391
392	if (activate_ocean_skin >= 1) then
393	if (type_ocean /= 'couple') sss(:knon) = 35.
394	call bulk_flux(tkt, tks, taur, dter, dser, t_int, s_int, ds_ns, dt_ns, &
395	u = windsp(:knon), t_ocean_1 = tsurf_new(:knon), s1 = sss(:knon), &
396	rain = precip_rain(:knon) + precip_totsnow(:knon), &
397	hf = - fluxsens(:knon), hlb = - fluxlat(:knon), &
398	rnl = - lwnet(:knon), &
399	tau = sqrt(flux_u1(:knon)2 + flux_v1(:knon)2), rhoa = rhoa, &
400	xlv = [(rlvtt, i = 1, knon)], rf = - sens_prec_liq, dtime = dtime, &
401	rns = swnet(:knon))
402	delta_sst = t_int - tsurf_new(:knon)
403	delta_sal = s_int - sss(:knon)
404
405	if (activate_ocean_skin == 2) then
406	tsurf_new(:knon) = t_int
407	if (type_ocean == 'couple') dt_ds = (tks / tkt) * dter
408	end if
409	end if
410
411	END SUBROUTINE surf_ocean
412	!****************************************************************************
413	!
414	END MODULE surf_ocean_mod

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