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sbccpl.F90 in branches/UKMO/dev_r5518_ww3_coupling/NEMOGCM/NEMO/OPA_SRC/SBC – NEMO

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source: branches/UKMO/dev_r5518_ww3_coupling/NEMOGCM/NEMO/OPA_SRC/SBC/sbccpl.F90 @ 5846

Last change on this file since 5846 was 5846, checked in by jcastill, 8 years ago
Changes as in vn3.4_WWIII/vn3.4_ww3_coupling
File size: 124.4 KB

Line
1	MODULE sbccpl
2	!!======================================================================
3	!! * MODULE sbccpl *
4	!! Surface Boundary Condition : momentum, heat and freshwater fluxes in coupled mode
5	!!======================================================================
6	!! History : 2.0 ! 2007-06 (R. Redler, N. Keenlyside, W. Park) Original code split into flxmod & taumod
7	!! 3.0 ! 2008-02 (G. Madec, C Talandier) surface module
8	!! 3.1 ! 2009_02 (G. Madec, S. Masson, E. Maisonave, A. Caubel) generic coupled interface
9	!! 3.4 ! 2011_11 (C. Harris) more flexibility + multi-category fields
10	!!----------------------------------------------------------------------
11	!!----------------------------------------------------------------------
12	!! namsbc_cpl : coupled formulation namlist
13	!! sbc_cpl_init : initialisation of the coupled exchanges
14	!! sbc_cpl_rcv : receive fields from the atmosphere over the ocean (ocean only)
15	!! receive stress from the atmosphere over the ocean (ocean-ice case)
16	!! sbc_cpl_ice_tau : receive stress from the atmosphere over ice
17	!! sbc_cpl_ice_flx : receive fluxes from the atmosphere over ice
18	!! sbc_cpl_snd : send fields to the atmosphere
19	!!----------------------------------------------------------------------
20	USE dom_oce ! ocean space and time domain
21	USE sbc_oce ! Surface boundary condition: ocean fields
22	USE sbc_ice ! Surface boundary condition: ice fields
23	USE sbcapr
24	USE sbcdcy ! surface boundary condition: diurnal cycle
25	USE phycst ! physical constants
26	#if defined key_lim3
27	USE ice ! ice variables
28	#endif
29	#if defined key_lim2
30	USE par_ice_2 ! ice parameters
31	USE ice_2 ! ice variables
32	#endif
33	USE cpl_oasis3 ! OASIS3 coupling
34	USE geo2ocean !
35	USE oce , ONLY : tsn, un, vn, sshn, ub, vb, sshb, fraqsr_1lev
36	USE albedo !
37	USE in_out_manager ! I/O manager
38	USE iom ! NetCDF library
39	USE lib_mpp ! distribued memory computing library
40	USE wrk_nemo ! work arrays
41	USE timing ! Timing
42	USE lbclnk ! ocean lateral boundary conditions (or mpp link)
43	USE eosbn2
44	USE sbcrnf , ONLY : l_rnfcpl
45	#if defined key_cpl_carbon_cycle
46	USE p4zflx, ONLY : oce_co2
47	#endif
48	#if defined key_cice
49	USE ice_domain_size, only: ncat
50	#endif
51	#if defined key_lim3
52	USE limthd_dh ! for CALL lim_thd_snwblow
53	#endif
54
55	IMPLICIT NONE
56	PRIVATE
57
58	PUBLIC sbc_cpl_init ! routine called by sbcmod.F90
59	PUBLIC sbc_cpl_rcv ! routine called by sbc_ice_lim(_2).F90
60	PUBLIC sbc_cpl_snd ! routine called by step.F90
61	PUBLIC sbc_cpl_ice_tau ! routine called by sbc_ice_lim(_2).F90
62	PUBLIC sbc_cpl_ice_flx ! routine called by sbc_ice_lim(_2).F90
63	PUBLIC sbc_cpl_alloc ! routine called in sbcice_cice.F90
64
65	INTEGER, PARAMETER :: jpr_otx1 = 1 ! 3 atmosphere-ocean stress components on grid 1
66	INTEGER, PARAMETER :: jpr_oty1 = 2 !
67	INTEGER, PARAMETER :: jpr_otz1 = 3 !
68	INTEGER, PARAMETER :: jpr_otx2 = 4 ! 3 atmosphere-ocean stress components on grid 2
69	INTEGER, PARAMETER :: jpr_oty2 = 5 !
70	INTEGER, PARAMETER :: jpr_otz2 = 6 !
71	INTEGER, PARAMETER :: jpr_itx1 = 7 ! 3 atmosphere-ice stress components on grid 1
72	INTEGER, PARAMETER :: jpr_ity1 = 8 !
73	INTEGER, PARAMETER :: jpr_itz1 = 9 !
74	INTEGER, PARAMETER :: jpr_itx2 = 10 ! 3 atmosphere-ice stress components on grid 2
75	INTEGER, PARAMETER :: jpr_ity2 = 11 !
76	INTEGER, PARAMETER :: jpr_itz2 = 12 !
77	INTEGER, PARAMETER :: jpr_qsroce = 13 ! Qsr above the ocean
78	INTEGER, PARAMETER :: jpr_qsrice = 14 ! Qsr above the ice
79	INTEGER, PARAMETER :: jpr_qsrmix = 15
80	INTEGER, PARAMETER :: jpr_qnsoce = 16 ! Qns above the ocean
81	INTEGER, PARAMETER :: jpr_qnsice = 17 ! Qns above the ice
82	INTEGER, PARAMETER :: jpr_qnsmix = 18
83	INTEGER, PARAMETER :: jpr_rain = 19 ! total liquid precipitation (rain)
84	INTEGER, PARAMETER :: jpr_snow = 20 ! solid precipitation over the ocean (snow)
85	INTEGER, PARAMETER :: jpr_tevp = 21 ! total evaporation
86	INTEGER, PARAMETER :: jpr_ievp = 22 ! solid evaporation (sublimation)
87	INTEGER, PARAMETER :: jpr_sbpr = 23 ! sublimation - liquid precipitation - solid precipitation
88	INTEGER, PARAMETER :: jpr_semp = 24 ! solid freshwater budget (sublimation - snow)
89	INTEGER, PARAMETER :: jpr_oemp = 25 ! ocean freshwater budget (evap - precip)
90	INTEGER, PARAMETER :: jpr_w10m = 26 ! 10m wind
91	INTEGER, PARAMETER :: jpr_dqnsdt = 27 ! d(Q non solar)/d(temperature)
92	INTEGER, PARAMETER :: jpr_rnf = 28 ! runoffs
93	INTEGER, PARAMETER :: jpr_cal = 29 ! calving
94	INTEGER, PARAMETER :: jpr_taum = 30 ! wind stress module
95	INTEGER, PARAMETER :: jpr_co2 = 31
96	INTEGER, PARAMETER :: jpr_topm = 32 ! topmeltn
97	INTEGER, PARAMETER :: jpr_botm = 33 ! botmeltn
98	INTEGER, PARAMETER :: jpr_sflx = 34 ! salt flux
99	INTEGER, PARAMETER :: jpr_toce = 35 ! ocean temperature
100	INTEGER, PARAMETER :: jpr_soce = 36 ! ocean salinity
101	INTEGER, PARAMETER :: jpr_ocx1 = 37 ! ocean current on grid 1
102	INTEGER, PARAMETER :: jpr_ocy1 = 38 !
103	INTEGER, PARAMETER :: jpr_ssh = 39 ! sea surface height
104	INTEGER, PARAMETER :: jpr_fice = 40 ! ice fraction
105	INTEGER, PARAMETER :: jpr_e3t1st = 41 ! first T level thickness
106	INTEGER, PARAMETER :: jpr_fraqsr = 42 ! fraction of solar net radiation absorbed in the first ocean level
107	#if defined key_ww3
108	INTEGER, PARAMETER :: jpr_hsig = 43 ! Hsig
109	INTEGER, PARAMETER :: jpr_phioc = 44 ! Wave=>ocean energy flux
110	INTEGER, PARAMETER :: jprcv = 44 ! total number of fields received
111	#else
112	INTEGER, PARAMETER :: jprcv = 42 ! total number of fields received
113	#ENDIF
114
115	INTEGER, PARAMETER :: jps_fice = 1 ! ice fraction sent to the atmosphere
116	INTEGER, PARAMETER :: jps_toce = 2 ! ocean temperature
117	INTEGER, PARAMETER :: jps_tice = 3 ! ice temperature
118	INTEGER, PARAMETER :: jps_tmix = 4 ! mixed temperature (ocean+ice)
119	INTEGER, PARAMETER :: jps_albice = 5 ! ice albedo
120	INTEGER, PARAMETER :: jps_albmix = 6 ! mixed albedo
121	INTEGER, PARAMETER :: jps_hice = 7 ! ice thickness
122	INTEGER, PARAMETER :: jps_hsnw = 8 ! snow thickness
123	INTEGER, PARAMETER :: jps_ocx1 = 9 ! ocean current on grid 1
124	INTEGER, PARAMETER :: jps_ocy1 = 10 !
125	INTEGER, PARAMETER :: jps_ocz1 = 11 !
126	INTEGER, PARAMETER :: jps_ivx1 = 12 ! ice current on grid 1
127	INTEGER, PARAMETER :: jps_ivy1 = 13 !
128	INTEGER, PARAMETER :: jps_ivz1 = 14 !
129	INTEGER, PARAMETER :: jps_co2 = 15
130	INTEGER, PARAMETER :: jps_soce = 16 ! ocean salinity
131	INTEGER, PARAMETER :: jps_ssh = 17 ! sea surface height
132	INTEGER, PARAMETER :: jps_qsroce = 18 ! Qsr above the ocean
133	INTEGER, PARAMETER :: jps_qnsoce = 19 ! Qns above the ocean
134	INTEGER, PARAMETER :: jps_oemp = 20 ! ocean freshwater budget (evap - precip)
135	INTEGER, PARAMETER :: jps_sflx = 21 ! salt flux
136	INTEGER, PARAMETER :: jps_otx1 = 22 ! 2 atmosphere-ocean stress components on grid 1
137	INTEGER, PARAMETER :: jps_oty1 = 23 !
138	INTEGER, PARAMETER :: jps_rnf = 24 ! runoffs
139	INTEGER, PARAMETER :: jps_taum = 25 ! wind stress module
140	INTEGER, PARAMETER :: jps_fice2 = 26 ! ice fraction sent to OPA (by SAS when doing SAS-OPA coupling)
141	INTEGER, PARAMETER :: jps_e3t1st = 27 ! first level depth (vvl)
142	INTEGER, PARAMETER :: jps_fraqsr = 28 ! fraction of solar net radiation absorbed in the first ocean level
143	#if defined key_ww3
144	INTEGER, PARAMETER :: jps_ficet = 29 ! total ice fraction
145	INTEGER, PARAMETER :: jps_ocxw = 30 ! currents on grid 1
146	INTEGER, PARAMETER :: jps_ocyw = 31 ! currents on grid 1
147	INTEGER, PARAMETER :: jpsnd = 31 ! total number of fields sended
148	#else
149	INTEGER, PARAMETER :: jpsnd = 28 ! total number of fields sended
150	#endif
151
152	! !! namelist namsbc_cpl
153	TYPE :: FLD_C
154	CHARACTER(len = 32) :: cldes ! desciption of the coupling strategy
155	CHARACTER(len = 32) :: clcat ! multiple ice categories strategy
156	CHARACTER(len = 32) :: clvref ! reference of vector ('spherical' or 'cartesian')
157	CHARACTER(len = 32) :: clvor ! orientation of vector fields ('eastward-northward' or 'local grid')
158	CHARACTER(len = 32) :: clvgrd ! grids on which is located the vector fields
159	END TYPE FLD_C
160	! Send to the atmosphere !
161	TYPE(FLD_C) :: sn_snd_temp, sn_snd_alb, sn_snd_thick, sn_snd_crt, sn_snd_co2
162	! Received from the atmosphere !
163	TYPE(FLD_C) :: sn_rcv_w10m, sn_rcv_taumod, sn_rcv_tau, sn_rcv_dqnsdt, sn_rcv_qsr, sn_rcv_qns, sn_rcv_emp, sn_rcv_rnf
164	TYPE(FLD_C) :: sn_rcv_cal, sn_rcv_iceflx, sn_rcv_co2
165	! Send to waves
166	TYPE(FLD_C) :: sn_snd_ifrac, sn_snd_crtw
167	! Received from waves
168	TYPE(FLD_C) :: sn_rcv_hsig,sn_rcv_phioc
169	! Other namelist parameters !
170	INTEGER :: nn_cplmodel ! Maximum number of models to/from which NEMO is potentialy sending/receiving data
171	LOGICAL :: ln_usecplmask ! use a coupling mask file to merge data received from several models
172	! -> file cplmask.nc with the float variable called cplmask (jpi,jpj,nn_cplmodel)
173	TYPE :: DYNARR
174	REAL(wp), POINTER, DIMENSION(:,:,:) :: z3
175	END TYPE DYNARR
176
177	TYPE( DYNARR ), SAVE, DIMENSION(jprcv) :: frcv ! all fields recieved from the atmosphere
178
179	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: albedo_oce_mix ! ocean albedo sent to atmosphere (mix clear/overcast sky)
180
181	INTEGER , ALLOCATABLE, SAVE, DIMENSION( :) :: nrcvinfo ! OASIS info argument
182
183	!! Substitution
184	# include "domzgr_substitute.h90"
185	# include "vectopt_loop_substitute.h90"
186	!!----------------------------------------------------------------------
187	!! NEMO/OPA 3.3 , NEMO Consortium (2010)
188	!! $Id$
189	!! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)
190	!!----------------------------------------------------------------------
191
192	CONTAINS
193
194	INTEGER FUNCTION sbc_cpl_alloc()
195	!!----------------------------------------------------------------------
196	!! * FUNCTION sbc_cpl_alloc *
197	!!----------------------------------------------------------------------
198	INTEGER :: ierr(3)
199	!!----------------------------------------------------------------------
200	ierr(:) = 0
201	!
202	ALLOCATE( albedo_oce_mix(jpi,jpj), nrcvinfo(jprcv), STAT=ierr(1) )
203
204	#if ! defined key_lim3 && ! defined key_lim2 && ! defined key_cice
205	ALLOCATE( a_i(jpi,jpj,1) , STAT=ierr(2) ) ! used in sbcice_if.F90 (done here as there is no sbc_ice_if_init)
206	#endif
207	ALLOCATE( xcplmask(jpi,jpj,0:nn_cplmodel) , STAT=ierr(3) )
208	!
209	sbc_cpl_alloc = MAXVAL( ierr )
210	IF( lk_mpp ) CALL mpp_sum ( sbc_cpl_alloc )
211	IF( sbc_cpl_alloc > 0 ) CALL ctl_warn('sbc_cpl_alloc: allocation of arrays failed')
212	!
213	END FUNCTION sbc_cpl_alloc
214
215
216	SUBROUTINE sbc_cpl_init( k_ice )
217	!!----------------------------------------------------------------------
218	!! * ROUTINE sbc_cpl_init *
219	!!
220	!! ** Purpose : Initialisation of send and received information from
221	!! the atmospheric component
222	!!
223	!! ** Method : * Read namsbc_cpl namelist
224	!! * define the receive interface
225	!! * define the send interface
226	!! * initialise the OASIS coupler
227	!!----------------------------------------------------------------------
228	INTEGER, INTENT(in) :: k_ice ! ice management in the sbc (=0/1/2/3)
229	!!
230	INTEGER :: jn ! dummy loop index
231	INTEGER :: ios ! Local integer output status for namelist read
232	INTEGER :: inum
233	REAL(wp), POINTER, DIMENSION(:,:) :: zacs, zaos
234	!!
235	NAMELIST/namsbc_cpl/ sn_snd_temp , sn_snd_alb , sn_snd_thick, sn_snd_crt , sn_snd_co2, &
236	& sn_snd_ifrac, sn_snd_crtw , &
237	& sn_rcv_w10m, sn_rcv_taumod, sn_rcv_tau , sn_rcv_dqnsdt, sn_rcv_qsr, &
238	& sn_rcv_qns , sn_rcv_emp , sn_rcv_rnf , sn_rcv_cal , sn_rcv_iceflx, &
239	& sn_rcv_co2 , sn_rcv_hsig , sn_rcv_phioc, nn_cplmodel , ln_usecplmask
240	!!---------------------------------------------------------------------
241	!
242	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_init')
243	!
244	CALL wrk_alloc( jpi,jpj, zacs, zaos )
245
246	! ================================ !
247	! Namelist informations !
248	! ================================ !
249
250	REWIND( numnam_ref ) ! Namelist namsbc_cpl in reference namelist : Variables for OASIS coupling
251	READ ( numnam_ref, namsbc_cpl, IOSTAT = ios, ERR = 901)
252	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_cpl in reference namelist', lwp )
253
254	REWIND( numnam_cfg ) ! Namelist namsbc_cpl in configuration namelist : Variables for OASIS coupling
255	READ ( numnam_cfg, namsbc_cpl, IOSTAT = ios, ERR = 902 )
256	902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_cpl in configuration namelist', lwp )
257	IF(lwm) WRITE ( numond, namsbc_cpl )
258
259	IF(lwp) THEN ! control print
260	WRITE(numout,*)
261	WRITE(numout,*)'sbc_cpl_init : namsbc_cpl namelist '
262	WRITE(numout,*)'~~~~~~~~~~~~'
263	ENDIF
264	IF( lwp .AND. ln_cpl ) THEN ! control print
265	WRITE(numout,*)' received fields (mutiple ice categogies)'
266	WRITE(numout,*)' 10m wind module = ', TRIM(sn_rcv_w10m%cldes ), ' (', TRIM(sn_rcv_w10m%clcat ), ')'
267	WRITE(numout,*)' stress module = ', TRIM(sn_rcv_taumod%cldes), ' (', TRIM(sn_rcv_taumod%clcat), ')'
268	WRITE(numout,*)' surface stress = ', TRIM(sn_rcv_tau%cldes ), ' (', TRIM(sn_rcv_tau%clcat ), ')'
269	WRITE(numout,*)' - referential = ', sn_rcv_tau%clvref
270	WRITE(numout,*)' - orientation = ', sn_rcv_tau%clvor
271	WRITE(numout,*)' - mesh = ', sn_rcv_tau%clvgrd
272	WRITE(numout,*)' non-solar heat flux sensitivity = ', TRIM(sn_rcv_dqnsdt%cldes), ' (', TRIM(sn_rcv_dqnsdt%clcat), ')'
273	WRITE(numout,*)' solar heat flux = ', TRIM(sn_rcv_qsr%cldes ), ' (', TRIM(sn_rcv_qsr%clcat ), ')'
274	WRITE(numout,*)' non-solar heat flux = ', TRIM(sn_rcv_qns%cldes ), ' (', TRIM(sn_rcv_qns%clcat ), ')'
275	WRITE(numout,*)' freshwater budget = ', TRIM(sn_rcv_emp%cldes ), ' (', TRIM(sn_rcv_emp%clcat ), ')'
276	WRITE(numout,*)' runoffs = ', TRIM(sn_rcv_rnf%cldes ), ' (', TRIM(sn_rcv_rnf%clcat ), ')'
277	WRITE(numout,*)' calving = ', TRIM(sn_rcv_cal%cldes ), ' (', TRIM(sn_rcv_cal%clcat ), ')'
278	WRITE(numout,*)' sea ice heat fluxes = ', TRIM(sn_rcv_iceflx%cldes), ' (', TRIM(sn_rcv_iceflx%clcat), ')'
279	WRITE(numout,*)' atm co2 = ', TRIM(sn_rcv_co2%cldes ), ' (', TRIM(sn_rcv_co2%clcat ), ')'
280	WRITE(numout,*)' significant wave heigth = ', TRIM(sn_rcv_hsig%cldes ), ' (', TRIM(sn_rcv_hsig%clcat ), ')'
281	WRITE(numout,*)' wave to oce energy flux = ', TRIM(sn_rcv_phioc%cldes ), ' (', TRIM(sn_rcv_phioc%clcat ), ')'
282	WRITE(numout,*)' sent fields (multiple ice categories)'
283	WRITE(numout,*)' surface temperature = ', TRIM(sn_snd_temp%cldes ), ' (', TRIM(sn_snd_temp%clcat ), ')'
284	WRITE(numout,*)' albedo = ', TRIM(sn_snd_alb%cldes ), ' (', TRIM(sn_snd_alb%clcat ), ')'
285	WRITE(numout,*)' ice/snow thickness = ', TRIM(sn_snd_thick%cldes ), ' (', TRIM(sn_snd_thick%clcat ), ')'
286	WRITE(numout,*)' total ice fraction = ', TRIM(sn_snd_ifrac%cldes ), ' (', TRIM(sn_snd_ifrac%clcat ), ')'
287	WRITE(numout,*)' surface current = ', TRIM(sn_snd_crt%cldes ), ' (', TRIM(sn_snd_crt%clcat ), ')'
288	WRITE(numout,*)' - referential = ', sn_snd_crt%clvref
289	WRITE(numout,*)' - orientation = ', sn_snd_crt%clvor
290	WRITE(numout,*)' - mesh = ', sn_snd_crt%clvgrd
291	WRITE(numout,*)' oce co2 flux = ', TRIM(sn_snd_co2%cldes ), ' (', TRIM(sn_snd_co2%clcat ), ')'
292	WRITE(numout,*)' surface current to waves = ', TRIM(sn_snd_crtw%cldes ), ' (', TRIM(sn_snd_crtw%clcat ), ')'
293	WRITE(numout,*)' - referential = ', sn_snd_crtw%clvref
294	WRITE(numout,*)' - orientation = ', sn_snd_crtw%clvor
295	WRITE(numout,*)' - mesh = ', sn_snd_crtw%clvgrd
296	WRITE(numout,*)' nn_cplmodel = ', nn_cplmodel
297	WRITE(numout,*)' ln_usecplmask = ', ln_usecplmask
298	ENDIF
299
300	! ! allocate sbccpl arrays
301	IF( sbc_cpl_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_cpl_alloc : unable to allocate arrays' )
302
303	! ================================ !
304	! Define the receive interface !
305	! ================================ !
306	nrcvinfo(:) = OASIS_idle ! needed by nrcvinfo(jpr_otx1) if we do not receive ocean stress
307
308	! for each field: define the OASIS name (srcv(:)%clname)
309	! define receive or not from the namelist parameters (srcv(:)%laction)
310	! define the north fold type of lbc (srcv(:)%nsgn)
311
312	! default definitions of srcv
313	srcv(:)%laction = .FALSE. ; srcv(:)%clgrid = 'T' ; srcv(:)%nsgn = 1. ; srcv(:)%nct = 1
314
315	! ! ------------------------- !
316	! ! ice and ocean wind stress !
317	! ! ------------------------- !
318	! ! Name
319	srcv(jpr_otx1)%clname = 'O_OTaux1' ! 1st ocean component on grid ONE (T or U)
320	srcv(jpr_oty1)%clname = 'O_OTauy1' ! 2nd - - - -
321	srcv(jpr_otz1)%clname = 'O_OTauz1' ! 3rd - - - -
322	srcv(jpr_otx2)%clname = 'O_OTaux2' ! 1st ocean component on grid TWO (V)
323	srcv(jpr_oty2)%clname = 'O_OTauy2' ! 2nd - - - -
324	srcv(jpr_otz2)%clname = 'O_OTauz2' ! 3rd - - - -
325	!
326	srcv(jpr_itx1)%clname = 'O_ITaux1' ! 1st ice component on grid ONE (T, F, I or U)
327	srcv(jpr_ity1)%clname = 'O_ITauy1' ! 2nd - - - -
328	srcv(jpr_itz1)%clname = 'O_ITauz1' ! 3rd - - - -
329	srcv(jpr_itx2)%clname = 'O_ITaux2' ! 1st ice component on grid TWO (V)
330	srcv(jpr_ity2)%clname = 'O_ITauy2' ! 2nd - - - -
331	srcv(jpr_itz2)%clname = 'O_ITauz2' ! 3rd - - - -
332	!
333	! Vectors: change of sign at north fold ONLY if on the local grid
334	IF( TRIM( sn_rcv_tau%clvor ) == 'local grid' ) srcv(jpr_otx1:jpr_itz2)%nsgn = -1.
335
336	! ! Set grid and action
337	SELECT CASE( TRIM( sn_rcv_tau%clvgrd ) ) ! 'T', 'U,V', 'U,V,I', 'U,V,F', 'T,I', 'T,F', or 'T,U,V'
338	CASE( 'T' )
339	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
340	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
341	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
342	CASE( 'U,V' )
343	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
344	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
345	srcv(jpr_itx1:jpr_itz1)%clgrid = 'U' ! ice components given at U-point
346	srcv(jpr_itx2:jpr_itz2)%clgrid = 'V' ! and V-point
347	srcv(jpr_otx1:jpr_itz2)%laction = .TRUE. ! receive oce and ice components on both grid 1 & 2
348	CASE( 'U,V,T' )
349	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
350	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
351	srcv(jpr_itx1:jpr_itz1)%clgrid = 'T' ! ice components given at T-point
352	srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
353	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
354	CASE( 'U,V,I' )
355	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
356	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
357	srcv(jpr_itx1:jpr_itz1)%clgrid = 'I' ! ice components given at I-point
358	srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
359	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
360	CASE( 'U,V,F' )
361	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
362	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
363	srcv(jpr_itx1:jpr_itz1)%clgrid = 'F' ! ice components given at F-point
364	srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
365	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
366	CASE( 'T,I' )
367	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
368	srcv(jpr_itx1:jpr_itz1)%clgrid = 'I' ! ice components given at I-point
369	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
370	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
371	CASE( 'T,F' )
372	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
373	srcv(jpr_itx1:jpr_itz1)%clgrid = 'F' ! ice components given at F-point
374	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
375	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
376	CASE( 'T,U,V' )
377	srcv(jpr_otx1:jpr_otz1)%clgrid = 'T' ! oce components given at T-point
378	srcv(jpr_itx1:jpr_itz1)%clgrid = 'U' ! ice components given at U-point
379	srcv(jpr_itx2:jpr_itz2)%clgrid = 'V' ! and V-point
380	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1 only
381	srcv(jpr_itx1:jpr_itz2)%laction = .TRUE. ! receive ice components on grid 1 & 2
382	CASE default
383	CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_tau%clvgrd' )
384	END SELECT
385	!
386	IF( TRIM( sn_rcv_tau%clvref ) == 'spherical' ) & ! spherical: 3rd component not received
387	& srcv( (/jpr_otz1, jpr_otz2, jpr_itz1, jpr_itz2/) )%laction = .FALSE.
388	!
389	IF( TRIM( sn_rcv_tau%clvor ) == 'local grid' ) THEN ! already on local grid -> no need of the second grid
390	srcv(jpr_otx2:jpr_otz2)%laction = .FALSE.
391	srcv(jpr_itx2:jpr_itz2)%laction = .FALSE.
392	srcv(jpr_oty1)%clgrid = srcv(jpr_oty2)%clgrid ! not needed but cleaner...
393	srcv(jpr_ity1)%clgrid = srcv(jpr_ity2)%clgrid ! not needed but cleaner...
394	ENDIF
395	!
396	IF( TRIM( sn_rcv_tau%cldes ) /= 'oce and ice' ) THEN ! 'oce and ice' case ocean stress on ocean mesh used
397	srcv(jpr_itx1:jpr_itz2)%laction = .FALSE. ! ice components not received
398	srcv(jpr_itx1)%clgrid = 'U' ! ocean stress used after its transformation
399	srcv(jpr_ity1)%clgrid = 'V' ! i.e. it is always at U- & V-points for i- & j-comp. resp.
400	ENDIF
401
402	! ! ------------------------- !
403	! ! freshwater budget ! E-P
404	! ! ------------------------- !
405	! we suppose that atmosphere modele do not make the difference between precipiration (liquide or solid)
406	! over ice of free ocean within the same atmospheric cell.cd
407	srcv(jpr_rain)%clname = 'OTotRain' ! Rain = liquid precipitation
408	srcv(jpr_snow)%clname = 'OTotSnow' ! Snow = solid precipitation
409	srcv(jpr_tevp)%clname = 'OTotEvap' ! total evaporation (over oce + ice sublimation)
410	srcv(jpr_ievp)%clname = 'OIceEvap' ! evaporation over ice = sublimation
411	srcv(jpr_sbpr)%clname = 'OSubMPre' ! sublimation - liquid precipitation - solid precipitation
412	srcv(jpr_semp)%clname = 'OISubMSn' ! ice solid water budget = sublimation - solid precipitation
413	srcv(jpr_oemp)%clname = 'OOEvaMPr' ! ocean water budget = ocean Evap - ocean precip
414	SELECT CASE( TRIM( sn_rcv_emp%cldes ) )
415	CASE( 'none' ) ! nothing to do
416	CASE( 'oce only' ) ; srcv( jpr_oemp )%laction = .TRUE.
417	CASE( 'conservative' )
418	srcv( (/jpr_rain, jpr_snow, jpr_ievp, jpr_tevp/) )%laction = .TRUE.
419	IF ( k_ice <= 1 ) srcv(jpr_ievp)%laction = .FALSE.
420	CASE( 'oce and ice' ) ; srcv( (/jpr_ievp, jpr_sbpr, jpr_semp, jpr_oemp/) )%laction = .TRUE.
421	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_emp%cldes' )
422	END SELECT
423
424	! ! ------------------------- !
425	! ! Runoffs & Calving !
426	! ! ------------------------- !
427	srcv(jpr_rnf )%clname = 'O_Runoff'
428	IF( TRIM( sn_rcv_rnf%cldes ) == 'coupled' ) THEN
429	srcv(jpr_rnf)%laction = .TRUE.
430	l_rnfcpl = .TRUE. ! -> no need to read runoffs in sbcrnf
431	ln_rnf = nn_components /= jp_iam_sas ! -> force to go through sbcrnf if not sas
432	IF(lwp) WRITE(numout,*)
433	IF(lwp) WRITE(numout,*) ' runoffs received from oasis -> force ln_rnf = ', ln_rnf
434	ENDIF
435	!
436	srcv(jpr_cal )%clname = 'OCalving' ; IF( TRIM( sn_rcv_cal%cldes ) == 'coupled' ) srcv(jpr_cal)%laction = .TRUE.
437
438	! ! ------------------------- !
439	! ! non solar radiation ! Qns
440	! ! ------------------------- !
441	srcv(jpr_qnsoce)%clname = 'O_QnsOce'
442	srcv(jpr_qnsice)%clname = 'O_QnsIce'
443	srcv(jpr_qnsmix)%clname = 'O_QnsMix'
444	SELECT CASE( TRIM( sn_rcv_qns%cldes ) )
445	CASE( 'none' ) ! nothing to do
446	CASE( 'oce only' ) ; srcv( jpr_qnsoce )%laction = .TRUE.
447	CASE( 'conservative' ) ; srcv( (/jpr_qnsice, jpr_qnsmix/) )%laction = .TRUE.
448	CASE( 'oce and ice' ) ; srcv( (/jpr_qnsice, jpr_qnsoce/) )%laction = .TRUE.
449	CASE( 'mixed oce-ice' ) ; srcv( jpr_qnsmix )%laction = .TRUE.
450	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_qns%cldes' )
451	END SELECT
452	IF( TRIM( sn_rcv_qns%cldes ) == 'mixed oce-ice' .AND. jpl > 1 ) &
453	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_qns%cldes not currently allowed to be mixed oce-ice for multi-category ice' )
454	! ! ------------------------- !
455	! ! solar radiation ! Qsr
456	! ! ------------------------- !
457	srcv(jpr_qsroce)%clname = 'O_QsrOce'
458	srcv(jpr_qsrice)%clname = 'O_QsrIce'
459	srcv(jpr_qsrmix)%clname = 'O_QsrMix'
460	SELECT CASE( TRIM( sn_rcv_qsr%cldes ) )
461	CASE( 'none' ) ! nothing to do
462	CASE( 'oce only' ) ; srcv( jpr_qsroce )%laction = .TRUE.
463	CASE( 'conservative' ) ; srcv( (/jpr_qsrice, jpr_qsrmix/) )%laction = .TRUE.
464	CASE( 'oce and ice' ) ; srcv( (/jpr_qsrice, jpr_qsroce/) )%laction = .TRUE.
465	CASE( 'mixed oce-ice' ) ; srcv( jpr_qsrmix )%laction = .TRUE.
466	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_qsr%cldes' )
467	END SELECT
468	IF( TRIM( sn_rcv_qsr%cldes ) == 'mixed oce-ice' .AND. jpl > 1 ) &
469	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_qsr%cldes not currently allowed to be mixed oce-ice for multi-category ice' )
470	! ! ------------------------- !
471	! ! non solar sensitivity ! d(Qns)/d(T)
472	! ! ------------------------- !
473	srcv(jpr_dqnsdt)%clname = 'O_dQnsdT'
474	IF( TRIM( sn_rcv_dqnsdt%cldes ) == 'coupled' ) srcv(jpr_dqnsdt)%laction = .TRUE.
475	!
476	! non solar sensitivity mandatory for LIM ice model
477	IF( TRIM( sn_rcv_dqnsdt%cldes ) == 'none' .AND. k_ice /= 0 .AND. k_ice /= 4 .AND. nn_components /= jp_iam_sas ) &
478	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_dqnsdt%cldes must be coupled in namsbc_cpl namelist' )
479	! non solar sensitivity mandatory for mixed oce-ice solar radiation coupling technique
480	IF( TRIM( sn_rcv_dqnsdt%cldes ) == 'none' .AND. TRIM( sn_rcv_qns%cldes ) == 'mixed oce-ice' ) &
481	CALL ctl_stop( 'sbc_cpl_init: namsbc_cpl namelist mismatch between sn_rcv_qns%cldes and sn_rcv_dqnsdt%cldes' )
482	! ! ------------------------- !
483	! ! 10m wind module !
484	! ! ------------------------- !
485	srcv(jpr_w10m)%clname = 'O_Wind10' ; IF( TRIM(sn_rcv_w10m%cldes ) == 'coupled' ) srcv(jpr_w10m)%laction = .TRUE.
486	!
487	! ! ------------------------- !
488	! ! wind stress module !
489	! ! ------------------------- !
490	srcv(jpr_taum)%clname = 'O_TauMod' ; IF( TRIM(sn_rcv_taumod%cldes) == 'coupled' ) srcv(jpr_taum)%laction = .TRUE.
491	lhftau = srcv(jpr_taum)%laction
492
493	! ! ------------------------- !
494	! ! Atmospheric CO2 !
495	! ! ------------------------- !
496	srcv(jpr_co2 )%clname = 'O_AtmCO2' ; IF( TRIM(sn_rcv_co2%cldes ) == 'coupled' ) srcv(jpr_co2 )%laction = .TRUE.
497	! ! ------------------------- !
498	! ! topmelt and botmelt !
499	! ! ------------------------- !
500	srcv(jpr_topm )%clname = 'OTopMlt'
501	srcv(jpr_botm )%clname = 'OBotMlt'
502	IF( TRIM(sn_rcv_iceflx%cldes) == 'coupled' ) THEN
503	IF ( TRIM( sn_rcv_iceflx%clcat ) == 'yes' ) THEN
504	srcv(jpr_topm:jpr_botm)%nct = jpl
505	ELSE
506	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_iceflx%clcat should always be set to yes currently' )
507	ENDIF
508	srcv(jpr_topm:jpr_botm)%laction = .TRUE.
509	ENDIF
510	! ! ------------------------- ! !
511	! ! Wave breaking !
512	! ! ------------------------- !
513	srcv(jpr_hsig)%clname = 'O_Hsigwa' ; IF( TRIM(sn_rcv_hsig%cldes ) == 'coupled' ) srcv(jpr_hsig)%laction = .TRUE.
514	srcv(jpr_phioc)%clname = 'O_PhiOce' ; IF( TRIM(sn_rcv_phioc%cldes ) == 'coupled' ) srcv(jpr_phioc)%laction = .TRUE.
515	!
516	! ! ------------------------------- !
517	! ! OPA-SAS coupling - rcv by opa !
518	! ! ------------------------------- !
519	srcv(jpr_sflx)%clname = 'O_SFLX'
520	srcv(jpr_fice)%clname = 'RIceFrc'
521	!
522	IF( nn_components == jp_iam_opa ) THEN ! OPA coupled to SAS via OASIS: force received field by OPA (sent by SAS)
523	srcv(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
524	srcv(:)%clgrid = 'T' ! force default definition in case of opa <-> sas coupling
525	srcv(:)%nsgn = 1. ! force default definition in case of opa <-> sas coupling
526	srcv( (/jpr_qsroce, jpr_qnsoce, jpr_oemp, jpr_sflx, jpr_fice, jpr_otx1, jpr_oty1, jpr_taum/) )%laction = .TRUE.
527	srcv(jpr_otx1)%clgrid = 'U' ! oce components given at U-point
528	srcv(jpr_oty1)%clgrid = 'V' ! and V-point
529	! Vectors: change of sign at north fold ONLY if on the local grid
530	srcv( (/jpr_otx1,jpr_oty1/) )%nsgn = -1.
531	sn_rcv_tau%clvgrd = 'U,V'
532	sn_rcv_tau%clvor = 'local grid'
533	sn_rcv_tau%clvref = 'spherical'
534	sn_rcv_emp%cldes = 'oce only'
535	!
536	IF(lwp) THEN ! control print
537	WRITE(numout,*)
538	WRITE(numout,*)' Special conditions for SAS-OPA coupling '
539	WRITE(numout,*)' OPA component '
540	WRITE(numout,*)
541	WRITE(numout,*)' received fields from SAS component '
542	WRITE(numout,*)' ice cover '
543	WRITE(numout,*)' oce only EMP '
544	WRITE(numout,*)' salt flux '
545	WRITE(numout,*)' mixed oce-ice solar flux '
546	WRITE(numout,*)' mixed oce-ice non solar flux '
547	WRITE(numout,*)' wind stress U,V on local grid and sperical coordinates '
548	WRITE(numout,*)' wind stress module'
549	WRITE(numout,*)
550	ENDIF
551	ENDIF
552	! ! -------------------------------- !
553	! ! OPA-SAS coupling - rcv by sas !
554	! ! -------------------------------- !
555	srcv(jpr_toce )%clname = 'I_SSTSST'
556	srcv(jpr_soce )%clname = 'I_SSSal'
557	srcv(jpr_ocx1 )%clname = 'I_OCurx1'
558	srcv(jpr_ocy1 )%clname = 'I_OCury1'
559	srcv(jpr_ssh )%clname = 'I_SSHght'
560	srcv(jpr_e3t1st)%clname = 'I_E3T1st'
561	srcv(jpr_fraqsr)%clname = 'I_FraQsr'
562	!
563	IF( nn_components == jp_iam_sas ) THEN
564	IF( .NOT. ln_cpl ) srcv(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
565	IF( .NOT. ln_cpl ) srcv(:)%clgrid = 'T' ! force default definition in case of opa <-> sas coupling
566	IF( .NOT. ln_cpl ) srcv(:)%nsgn = 1. ! force default definition in case of opa <-> sas coupling
567	srcv( (/jpr_toce, jpr_soce, jpr_ssh, jpr_fraqsr, jpr_ocx1, jpr_ocy1/) )%laction = .TRUE.
568	srcv( jpr_e3t1st )%laction = lk_vvl
569	srcv(jpr_ocx1)%clgrid = 'U' ! oce components given at U-point
570	srcv(jpr_ocy1)%clgrid = 'V' ! and V-point
571	! Vectors: change of sign at north fold ONLY if on the local grid
572	srcv(jpr_ocx1:jpr_ocy1)%nsgn = -1.
573	! Change first letter to couple with atmosphere if already coupled OPA
574	! this is nedeed as each variable name used in the namcouple must be unique:
575	! for example O_Runoff received by OPA from SAS and therefore O_Runoff received by SAS from the Atmosphere
576	DO jn = 1, jprcv
577	IF ( srcv(jn)%clname(1:1) == "O" ) srcv(jn)%clname = "S"//srcv(jn)%clname(2:LEN(srcv(jn)%clname))
578	END DO
579	!
580	IF(lwp) THEN ! control print
581	WRITE(numout,*)
582	WRITE(numout,*)' Special conditions for SAS-OPA coupling '
583	WRITE(numout,*)' SAS component '
584	WRITE(numout,*)
585	IF( .NOT. ln_cpl ) THEN
586	WRITE(numout,*)' received fields from OPA component '
587	ELSE
588	WRITE(numout,*)' Additional received fields from OPA component : '
589	ENDIF
590	WRITE(numout,*)' sea surface temperature (Celcius) '
591	WRITE(numout,*)' sea surface salinity '
592	WRITE(numout,*)' surface currents '
593	WRITE(numout,*)' sea surface height '
594	WRITE(numout,*)' thickness of first ocean T level '
595	WRITE(numout,*)' fraction of solar net radiation absorbed in the first ocean level'
596	WRITE(numout,*)
597	ENDIF
598	ENDIF
599
600	! =================================================== !
601	! Allocate all parts of frcv used for received fields !
602	! =================================================== !
603	DO jn = 1, jprcv
604	IF ( srcv(jn)%laction ) ALLOCATE( frcv(jn)%z3(jpi,jpj,srcv(jn)%nct) )
605	END DO
606	! Allocate taum part of frcv which is used even when not received as coupling field
607	IF ( .NOT. srcv(jpr_taum)%laction ) ALLOCATE( frcv(jpr_taum)%z3(jpi,jpj,srcv(jpr_taum)%nct) )
608	! Allocate w10m part of frcv which is used even when not received as coupling field
609	IF ( .NOT. srcv(jpr_w10m)%laction ) ALLOCATE( frcv(jpr_w10m)%z3(jpi,jpj,srcv(jpr_w10m)%nct) )
610	! Allocate jpr_otx1 part of frcv which is used even when not received as coupling field
611	IF ( .NOT. srcv(jpr_otx1)%laction ) ALLOCATE( frcv(jpr_otx1)%z3(jpi,jpj,srcv(jpr_otx1)%nct) )
612	IF ( .NOT. srcv(jpr_oty1)%laction ) ALLOCATE( frcv(jpr_oty1)%z3(jpi,jpj,srcv(jpr_oty1)%nct) )
613	! Allocate itx1 and ity1 as they are used in sbc_cpl_ice_tau even if srcv(jpr_itx1)%laction = .FALSE.
614	IF( k_ice /= 0 ) THEN
615	IF ( .NOT. srcv(jpr_itx1)%laction ) ALLOCATE( frcv(jpr_itx1)%z3(jpi,jpj,srcv(jpr_itx1)%nct) )
616	IF ( .NOT. srcv(jpr_ity1)%laction ) ALLOCATE( frcv(jpr_ity1)%z3(jpi,jpj,srcv(jpr_ity1)%nct) )
617	END IF
618
619	! ================================ !
620	! Define the send interface !
621	! ================================ !
622	! for each field: define the OASIS name (ssnd(:)%clname)
623	! define send or not from the namelist parameters (ssnd(:)%laction)
624	! define the north fold type of lbc (ssnd(:)%nsgn)
625
626	! default definitions of nsnd
627	ssnd(:)%laction = .FALSE. ; ssnd(:)%clgrid = 'T' ; ssnd(:)%nsgn = 1. ; ssnd(:)%nct = 1
628
629	! ! ------------------------- !
630	! ! Surface temperature !
631	! ! ------------------------- !
632	ssnd(jps_toce)%clname = 'O_SSTSST'
633	ssnd(jps_tice)%clname = 'O_TepIce'
634	ssnd(jps_tmix)%clname = 'O_TepMix'
635	SELECT CASE( TRIM( sn_snd_temp%cldes ) )
636	CASE( 'none' ) ! nothing to do
637	CASE( 'oce only' ) ; ssnd( jps_toce )%laction = .TRUE.
638	CASE( 'oce and ice' , 'weighted oce and ice' )
639	ssnd( (/jps_toce, jps_tice/) )%laction = .TRUE.
640	IF ( TRIM( sn_snd_temp%clcat ) == 'yes' ) ssnd(jps_tice)%nct = jpl
641	CASE( 'mixed oce-ice' ) ; ssnd( jps_tmix )%laction = .TRUE.
642	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_temp%cldes' )
643	END SELECT
644
645	! ! ------------------------- !
646	! ! Albedo !
647	! ! ------------------------- !
648	ssnd(jps_albice)%clname = 'O_AlbIce'
649	ssnd(jps_albmix)%clname = 'O_AlbMix'
650	SELECT CASE( TRIM( sn_snd_alb%cldes ) )
651	CASE( 'none' ) ! nothing to do
652	CASE( 'ice' , 'weighted ice' ) ; ssnd(jps_albice)%laction = .TRUE.
653	CASE( 'mixed oce-ice' ) ; ssnd(jps_albmix)%laction = .TRUE.
654	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_alb%cldes' )
655	END SELECT
656	!
657	! Need to calculate oceanic albedo if
658	! 1. sending mixed oce-ice albedo or
659	! 2. receiving mixed oce-ice solar radiation
660	IF ( TRIM ( sn_snd_alb%cldes ) == 'mixed oce-ice' .OR. TRIM ( sn_rcv_qsr%cldes ) == 'mixed oce-ice' ) THEN
661	CALL albedo_oce( zaos, zacs )
662	! Due to lack of information on nebulosity : mean clear/overcast sky
663	albedo_oce_mix(:,:) = ( zacs(:,:) + zaos(:,:) ) * 0.5
664	ENDIF
665
666	! ! ------------------------- !
667	! ! Ice fraction & Thickness !
668	! ! ------------------------- !
669	ssnd(jps_fice)%clname = 'OIceFrc'
670	ssnd(jps_ficet)%clname = 'OIceFrcT'
671	ssnd(jps_hice)%clname = 'OIceTck'
672	ssnd(jps_hsnw)%clname = 'OSnwTck'
673	IF( k_ice /= 0 ) THEN
674	ssnd(jps_fice)%laction = .TRUE. ! if ice treated in the ocean (even in climato case)
675	! Currently no namelist entry to determine sending of multi-category ice fraction so use the thickness entry for now
676	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) ssnd(jps_fice)%nct = jpl
677	ENDIF
678
679	IF (TRIM( sn_snd_ifrac%cldes ) == 'coupled') ssnd(jps_ficet)%laction = .TRUE.
680
681	SELECT CASE ( TRIM( sn_snd_thick%cldes ) )
682	CASE( 'none' ) ! nothing to do
683	CASE( 'ice and snow' )
684	ssnd(jps_hice:jps_hsnw)%laction = .TRUE.
685	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) THEN
686	ssnd(jps_hice:jps_hsnw)%nct = jpl
687	ENDIF
688	CASE ( 'weighted ice and snow' )
689	ssnd(jps_hice:jps_hsnw)%laction = .TRUE.
690	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) ssnd(jps_hice:jps_hsnw)%nct = jpl
691	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_thick%cldes' )
692	END SELECT
693
694	! ! ------------------------- !
695	! ! Surface current !
696	! ! ------------------------- !
697	! ocean currents ! ice velocities
698	ssnd(jps_ocx1)%clname = 'O_OCurx1' ; ssnd(jps_ivx1)%clname = 'O_IVelx1'
699	ssnd(jps_ocy1)%clname = 'O_OCury1' ; ssnd(jps_ivy1)%clname = 'O_IVely1'
700	ssnd(jps_ocz1)%clname = 'O_OCurz1' ; ssnd(jps_ivz1)%clname = 'O_IVelz1'
701	ssnd(jps_ocxw)%clname = 'O_OCurxw'
702	ssnd(jps_ocyw)%clname = 'O_OCuryw'
703	!
704	ssnd(jps_ocx1:jps_ivz1)%nsgn = -1. ! vectors: change of the sign at the north fold
705
706	IF( sn_snd_crt%clvgrd == 'U,V' ) THEN
707	ssnd(jps_ocx1)%clgrid = 'U' ; ssnd(jps_ocy1)%clgrid = 'V'
708	ELSE IF( sn_snd_crt%clvgrd /= 'T' ) THEN
709	CALL ctl_stop( 'sn_snd_crt%clvgrd must be equal to T' )
710	ssnd(jps_ocx1:jps_ivz1)%clgrid = 'T' ! all oce and ice components on the same unique grid
711	ENDIF
712	ssnd(jps_ocx1:jps_ivz1)%laction = .TRUE. ! default: all are send
713	IF( TRIM( sn_snd_crt%clvref ) == 'spherical' ) ssnd( (/jps_ocz1, jps_ivz1/) )%laction = .FALSE.
714	IF( TRIM( sn_snd_crt%clvor ) == 'eastward-northward' ) ssnd(jps_ocx1:jps_ivz1)%nsgn = 1.
715	SELECT CASE( TRIM( sn_snd_crt%cldes ) )
716	CASE( 'none' ) ; ssnd(jps_ocx1:jps_ivz1)%laction = .FALSE.
717	CASE( 'oce only' ) ; ssnd(jps_ivx1:jps_ivz1)%laction = .FALSE.
718	CASE( 'weighted oce and ice' ) ! nothing to do
719	CASE( 'mixed oce-ice' ) ; ssnd(jps_ivx1:jps_ivz1)%laction = .FALSE.
720	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_crt%cldes' )
721	END SELECT
722
723	ssnd(jps_ocxw:jps_ocyw)%nsgn = -1. ! vectors: change of the sign at the north fold
724
725	IF( sn_snd_crtw%clvgrd == 'U,V' ) THEN
726	ssnd(jps_ocxw)%clgrid = 'U' ; ssnd(jps_ocyw)%clgrid = 'V'
727	ELSE IF( sn_snd_crtw%clvgrd /= 'T' ) THEN
728	CALL ctl_stop( 'sn_snd_crtw%clvgrd must be equal to T' )
729	ENDIF
730	IF( TRIM( sn_snd_crtw%clvor ) == 'eastward-northward' ) ssnd(jps_ocxw:jps_ocyw)%nsgn = 1.
731	SELECT CASE( TRIM( sn_snd_crtw%cldes ) )
732	CASE( 'none' ) ; ssnd(jps_ocxw:jps_ocyw)%laction = .FALSE.
733	CASE( 'coupled' ) ; ssnd(jps_ocxw:jps_ocyw)%laction = .TRUE.
734	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_crtw%cldes' )
735	END SELECT
736
737	! ! ------------------------- !
738	! ! CO2 flux !
739	! ! ------------------------- !
740	ssnd(jps_co2)%clname = 'O_CO2FLX' ; IF( TRIM(sn_snd_co2%cldes) == 'coupled' ) ssnd(jps_co2 )%laction = .TRUE.
741
742	! ! ------------------------------- !
743	! ! OPA-SAS coupling - snd by opa !
744	! ! ------------------------------- !
745	ssnd(jps_ssh )%clname = 'O_SSHght'
746	ssnd(jps_soce )%clname = 'O_SSSal'
747	ssnd(jps_e3t1st)%clname = 'O_E3T1st'
748	ssnd(jps_fraqsr)%clname = 'O_FraQsr'
749	!
750	IF( nn_components == jp_iam_opa ) THEN
751	ssnd(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
752	ssnd( (/jps_toce, jps_soce, jps_ssh, jps_fraqsr, jps_ocx1, jps_ocy1/) )%laction = .TRUE.
753	ssnd( jps_e3t1st )%laction = lk_vvl
754	! vector definition: not used but cleaner...
755	ssnd(jps_ocx1)%clgrid = 'U' ! oce components given at U-point
756	ssnd(jps_ocy1)%clgrid = 'V' ! and V-point
757	sn_snd_crt%clvgrd = 'U,V'
758	sn_snd_crt%clvor = 'local grid'
759	sn_snd_crt%clvref = 'spherical'
760	!
761	IF(lwp) THEN ! control print
762	WRITE(numout,*)
763	WRITE(numout,*)' sent fields to SAS component '
764	WRITE(numout,*)' sea surface temperature (T before, Celcius) '
765	WRITE(numout,*)' sea surface salinity '
766	WRITE(numout,*)' surface currents U,V on local grid and spherical coordinates'
767	WRITE(numout,*)' sea surface height '
768	WRITE(numout,*)' thickness of first ocean T level '
769	WRITE(numout,*)' fraction of solar net radiation absorbed in the first ocean level'
770	WRITE(numout,*)
771	ENDIF
772	ENDIF
773	! ! ------------------------------- !
774	! ! OPA-SAS coupling - snd by sas !
775	! ! ------------------------------- !
776	ssnd(jps_sflx )%clname = 'I_SFLX'
777	ssnd(jps_fice2 )%clname = 'IIceFrc'
778	ssnd(jps_qsroce)%clname = 'I_QsrOce'
779	ssnd(jps_qnsoce)%clname = 'I_QnsOce'
780	ssnd(jps_oemp )%clname = 'IOEvaMPr'
781	ssnd(jps_otx1 )%clname = 'I_OTaux1'
782	ssnd(jps_oty1 )%clname = 'I_OTauy1'
783	ssnd(jps_rnf )%clname = 'I_Runoff'
784	ssnd(jps_taum )%clname = 'I_TauMod'
785	!
786	IF( nn_components == jp_iam_sas ) THEN
787	IF( .NOT. ln_cpl ) ssnd(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
788	ssnd( (/jps_qsroce, jps_qnsoce, jps_oemp, jps_fice2, jps_sflx, jps_otx1, jps_oty1, jps_taum/) )%laction = .TRUE.
789	!
790	! Change first letter to couple with atmosphere if already coupled with sea_ice
791	! this is nedeed as each variable name used in the namcouple must be unique:
792	! for example O_SSTSST sent by OPA to SAS and therefore S_SSTSST sent by SAS to the Atmosphere
793	DO jn = 1, jpsnd
794	IF ( ssnd(jn)%clname(1:1) == "O" ) ssnd(jn)%clname = "S"//ssnd(jn)%clname(2:LEN(ssnd(jn)%clname))
795	END DO
796	!
797	IF(lwp) THEN ! control print
798	WRITE(numout,*)
799	IF( .NOT. ln_cpl ) THEN
800	WRITE(numout,*)' sent fields to OPA component '
801	ELSE
802	WRITE(numout,*)' Additional sent fields to OPA component : '
803	ENDIF
804	WRITE(numout,*)' ice cover '
805	WRITE(numout,*)' oce only EMP '
806	WRITE(numout,*)' salt flux '
807	WRITE(numout,*)' mixed oce-ice solar flux '
808	WRITE(numout,*)' mixed oce-ice non solar flux '
809	WRITE(numout,*)' wind stress U,V components'
810	WRITE(numout,*)' wind stress module'
811	ENDIF
812	ENDIF
813
814	!
815	! ================================ !
816	! initialisation of the coupler !
817	! ================================ !
818
819	CALL cpl_define(jprcv, jpsnd, nn_cplmodel)
820
821	IF (ln_usecplmask) THEN
822	xcplmask(:,:,:) = 0.
823	CALL iom_open( 'cplmask', inum )
824	CALL iom_get( inum, jpdom_unknown, 'cplmask', xcplmask(1:nlci,1:nlcj,1:nn_cplmodel), &
825	& kstart = (/ mig(1),mjg(1),1 /), kcount = (/ nlci,nlcj,nn_cplmodel /) )
826	CALL iom_close( inum )
827	ELSE
828	xcplmask(:,:,:) = 1.
829	ENDIF
830	xcplmask(:,:,0) = 1. - SUM( xcplmask(:,:,1:nn_cplmodel), dim = 3 )
831	!
832	ncpl_qsr_freq = cpl_freq( 'O_QsrOce' ) + cpl_freq( 'O_QsrMix' ) + cpl_freq( 'I_QsrOce' ) + cpl_freq( 'I_QsrMix' )
833	IF( ln_dm2dc .AND. ln_cpl .AND. ncpl_qsr_freq /= 86400 ) &
834	& CALL ctl_stop( 'sbc_cpl_init: diurnal cycle reconstruction (ln_dm2dc) needs daily couping for solar radiation' )
835	ncpl_qsr_freq = 86400 / ncpl_qsr_freq
836
837	CALL wrk_dealloc( jpi,jpj, zacs, zaos )
838	!
839	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_init')
840	!
841	END SUBROUTINE sbc_cpl_init
842
843
844	SUBROUTINE sbc_cpl_rcv( kt, k_fsbc, k_ice )
845	!!----------------------------------------------------------------------
846	!! * ROUTINE sbc_cpl_rcv *
847	!!
848	!! ** Purpose : provide the stress over the ocean and, if no sea-ice,
849	!! provide the ocean heat and freshwater fluxes.
850	!!
851	!! ** Method : - Receive all the atmospheric fields (stored in frcv array). called at each time step.
852	!! OASIS controls if there is something do receive or not. nrcvinfo contains the info
853	!! to know if the field was really received or not
854	!!
855	!! --> If ocean stress was really received:
856	!!
857	!! - transform the received ocean stress vector from the received
858	!! referential and grid into an atmosphere-ocean stress in
859	!! the (i,j) ocean referencial and at the ocean velocity point.
860	!! The received stress are :
861	!! - defined by 3 components (if cartesian coordinate)
862	!! or by 2 components (if spherical)
863	!! - oriented along geographical coordinate (if eastward-northward)
864	!! or along the local grid coordinate (if local grid)
865	!! - given at U- and V-point, resp. if received on 2 grids
866	!! or at T-point if received on 1 grid
867	!! Therefore and if necessary, they are successively
868	!! processed in order to obtain them
869	!! first as 2 components on the sphere
870	!! second as 2 components oriented along the local grid
871	!! third as 2 components on the U,V grid
872	!!
873	!! -->
874	!!
875	!! - In 'ocean only' case, non solar and solar ocean heat fluxes
876	!! and total ocean freshwater fluxes
877	!!
878	!! ** Method : receive all fields from the atmosphere and transform
879	!! them into ocean surface boundary condition fields
880	!!
881	!! ** Action : update utau, vtau ocean stress at U,V grid
882	!! taum wind stress module at T-point
883	!! wndm wind speed module at T-point over free ocean or leads in presence of sea-ice
884	!! qns non solar heat fluxes including emp heat content (ocean only case)
885	!! and the latent heat flux of solid precip. melting
886	!! qsr solar ocean heat fluxes (ocean only case)
887	!! emp upward mass flux [evap. - precip. (- runoffs) (- calving)] (ocean only case)
888	!!----------------------------------------------------------------------
889	INTEGER, INTENT(in) :: kt ! ocean model time step index
890	INTEGER, INTENT(in) :: k_fsbc ! frequency of sbc (-> ice model) computation
891	INTEGER, INTENT(in) :: k_ice ! ice management in the sbc (=0/1/2/3)
892
893	!!
894	LOGICAL :: llnewtx, llnewtau ! update wind stress components and module??
895	INTEGER :: ji, jj, jn ! dummy loop indices
896	INTEGER :: isec ! number of seconds since nit000 (assuming rdttra did not change since nit000)
897	REAL(wp) :: zcumulneg, zcumulpos ! temporary scalars
898	REAL(wp) :: zcoef ! temporary scalar
899	REAL(wp) :: zrhoa = 1.22 ! Air density kg/m3
900	REAL(wp) :: zcdrag = 1.5e-3 ! drag coefficient
901	REAL(wp) :: zzx, zzy ! temporary variables
902	REAL(wp), POINTER, DIMENSION(:,:) :: ztx, zty, zmsk, zemp, zqns, zqsr
903	!!----------------------------------------------------------------------
904	!
905	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_rcv')
906	!
907	CALL wrk_alloc( jpi,jpj, ztx, zty, zmsk, zemp, zqns, zqsr )
908	!
909	IF( ln_mixcpl ) zmsk(:,:) = 1. - xcplmask(:,:,0)
910	!
911	! ! ======================================================= !
912	! ! Receive all the atmos. fields (including ice information)
913	! ! ======================================================= !
914	isec = ( kt - nit000 ) * NINT( rdttra(1) ) ! date of exchanges
915	DO jn = 1, jprcv ! received fields sent by the atmosphere
916	IF( srcv(jn)%laction ) CALL cpl_rcv( jn, isec, frcv(jn)%z3, xcplmask(:,:,1:nn_cplmodel), nrcvinfo(jn) )
917	END DO
918
919	! ! ========================= !
920	IF( srcv(jpr_otx1)%laction ) THEN ! ocean stress components !
921	! ! ========================= !
922	! define frcv(jpr_otx1)%z3(:,:,1) and frcv(jpr_oty1)%z3(:,:,1): stress at U/V point along model grid
923	! => need to be done only when we receive the field
924	IF( nrcvinfo(jpr_otx1) == OASIS_Rcv ) THEN
925	!
926	IF( TRIM( sn_rcv_tau%clvref ) == 'cartesian' ) THEN ! 2 components on the sphere
927	! ! (cartesian to spherical -> 3 to 2 components)
928	!
929	CALL geo2oce( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), frcv(jpr_otz1)%z3(:,:,1), &
930	& srcv(jpr_otx1)%clgrid, ztx, zty )
931	frcv(jpr_otx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 1st grid
932	frcv(jpr_oty1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 1st grid
933	!
934	IF( srcv(jpr_otx2)%laction ) THEN
935	CALL geo2oce( frcv(jpr_otx2)%z3(:,:,1), frcv(jpr_oty2)%z3(:,:,1), frcv(jpr_otz2)%z3(:,:,1), &
936	& srcv(jpr_otx2)%clgrid, ztx, zty )
937	frcv(jpr_otx2)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 2nd grid
938	frcv(jpr_oty2)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 2nd grid
939	ENDIF
940	!
941	ENDIF
942	!
943	IF( TRIM( sn_rcv_tau%clvor ) == 'eastward-northward' ) THEN ! 2 components oriented along the local grid
944	! ! (geographical to local grid -> rotate the components)
945	CALL rot_rep( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), srcv(jpr_otx1)%clgrid, 'en->i', ztx )
946	IF( srcv(jpr_otx2)%laction ) THEN
947	CALL rot_rep( frcv(jpr_otx2)%z3(:,:,1), frcv(jpr_oty2)%z3(:,:,1), srcv(jpr_otx2)%clgrid, 'en->j', zty )
948	ELSE
949	CALL rot_rep( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), srcv(jpr_otx1)%clgrid, 'en->j', zty )
950	ENDIF
951	frcv(jpr_otx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st component on the 1st grid
952	frcv(jpr_oty1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd component on the 2nd grid
953	ENDIF
954	!
955	IF( srcv(jpr_otx1)%clgrid == 'T' ) THEN
956	DO jj = 2, jpjm1 ! T ==> (U,V)
957	DO ji = fs_2, fs_jpim1 ! vector opt.
958	frcv(jpr_otx1)%z3(ji,jj,1) = 0.5 * ( frcv(jpr_otx1)%z3(ji+1,jj ,1) + frcv(jpr_otx1)%z3(ji,jj,1) )
959	frcv(jpr_oty1)%z3(ji,jj,1) = 0.5 * ( frcv(jpr_oty1)%z3(ji ,jj+1,1) + frcv(jpr_oty1)%z3(ji,jj,1) )
960	END DO
961	END DO
962	CALL lbc_lnk( frcv(jpr_otx1)%z3(:,:,1), 'U', -1. ) ; CALL lbc_lnk( frcv(jpr_oty1)%z3(:,:,1), 'V', -1. )
963	ENDIF
964	llnewtx = .TRUE.
965	ELSE
966	llnewtx = .FALSE.
967	ENDIF
968	! ! ========================= !
969	ELSE ! No dynamical coupling !
970	! ! ========================= !
971	frcv(jpr_otx1)%z3(:,:,1) = 0.e0 ! here simply set to zero
972	frcv(jpr_oty1)%z3(:,:,1) = 0.e0 ! an external read in a file can be added instead
973	llnewtx = .TRUE.
974	!
975	ENDIF
976	! ! ========================= !
977	! ! wind stress module ! (taum)
978	! ! ========================= !
979	!
980	IF( .NOT. srcv(jpr_taum)%laction ) THEN ! compute wind stress module from its components if not received
981	! => need to be done only when otx1 was changed
982	IF( llnewtx ) THEN
983	!CDIR NOVERRCHK
984	DO jj = 2, jpjm1
985	!CDIR NOVERRCHK
986	DO ji = fs_2, fs_jpim1 ! vect. opt.
987	zzx = frcv(jpr_otx1)%z3(ji-1,jj ,1) + frcv(jpr_otx1)%z3(ji,jj,1)
988	zzy = frcv(jpr_oty1)%z3(ji ,jj-1,1) + frcv(jpr_oty1)%z3(ji,jj,1)
989	frcv(jpr_taum)%z3(ji,jj,1) = 0.5 * SQRT( zzx * zzx + zzy * zzy )
990	END DO
991	END DO
992	CALL lbc_lnk( frcv(jpr_taum)%z3(:,:,1), 'T', 1. )
993	llnewtau = .TRUE.
994	ELSE
995	llnewtau = .FALSE.
996	ENDIF
997	ELSE
998	llnewtau = nrcvinfo(jpr_taum) == OASIS_Rcv
999	! Stress module can be negative when received (interpolation problem)
1000	IF( llnewtau ) THEN
1001	frcv(jpr_taum)%z3(:,:,1) = MAX( 0._wp, frcv(jpr_taum)%z3(:,:,1) )
1002	ENDIF
1003	ENDIF
1004	!
1005	! ! ========================= !
1006	! ! 10 m wind speed ! (wndm)
1007	! ! ========================= !
1008	!
1009	IF( .NOT. srcv(jpr_w10m)%laction ) THEN ! compute wind spreed from wind stress module if not received
1010	! => need to be done only when taumod was changed
1011	IF( llnewtau ) THEN
1012	zcoef = 1. / ( zrhoa * zcdrag )
1013	!CDIR NOVERRCHK
1014	DO jj = 1, jpj
1015	!CDIR NOVERRCHK
1016	DO ji = 1, jpi
1017	frcv(jpr_w10m)%z3(ji,jj,1) = SQRT( frcv(jpr_taum)%z3(ji,jj,1) * zcoef )
1018	END DO
1019	END DO
1020	ENDIF
1021	ENDIF
1022
1023	! u(v)tau and taum will be modified by ice model
1024	! -> need to be reset before each call of the ice/fsbc
1025	IF( MOD( kt-1, k_fsbc ) == 0 ) THEN
1026	!
1027	IF( ln_mixcpl ) THEN
1028	utau(:,:) = utau(:,:) * xcplmask(:,:,0) + frcv(jpr_otx1)%z3(:,:,1) * zmsk(:,:)
1029	vtau(:,:) = vtau(:,:) * xcplmask(:,:,0) + frcv(jpr_oty1)%z3(:,:,1) * zmsk(:,:)
1030	taum(:,:) = taum(:,:) * xcplmask(:,:,0) + frcv(jpr_taum)%z3(:,:,1) * zmsk(:,:)
1031	wndm(:,:) = wndm(:,:) * xcplmask(:,:,0) + frcv(jpr_w10m)%z3(:,:,1) * zmsk(:,:)
1032	ELSE
1033	utau(:,:) = frcv(jpr_otx1)%z3(:,:,1)
1034	vtau(:,:) = frcv(jpr_oty1)%z3(:,:,1)
1035	taum(:,:) = frcv(jpr_taum)%z3(:,:,1)
1036	wndm(:,:) = frcv(jpr_w10m)%z3(:,:,1)
1037	ENDIF
1038	CALL iom_put( "taum_oce", taum ) ! output wind stress module
1039	!
1040	ENDIF
1041
1042	#if defined key_cpl_carbon_cycle
1043	! ! ================== !
1044	! ! atmosph. CO2 (ppm) !
1045	! ! ================== !
1046	IF( srcv(jpr_co2)%laction ) atm_co2(:,:) = frcv(jpr_co2)%z3(:,:,1)
1047	#endif
1048
1049	! Fields received by SAS when OASIS coupling
1050	! (arrays no more filled at sbcssm stage)
1051	! ! ================== !
1052	! ! SSS !
1053	! ! ================== !
1054	IF( srcv(jpr_soce)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1055	sss_m(:,:) = frcv(jpr_soce)%z3(:,:,1)
1056	CALL iom_put( 'sss_m', sss_m )
1057	ENDIF
1058	!
1059	! ! ================== !
1060	! ! SST !
1061	! ! ================== !
1062	IF( srcv(jpr_toce)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1063	sst_m(:,:) = frcv(jpr_toce)%z3(:,:,1)
1064	IF( srcv(jpr_soce)%laction .AND. ln_useCT ) THEN ! make sure that sst_m is the potential temperature
1065	sst_m(:,:) = eos_pt_from_ct( sst_m(:,:), sss_m(:,:) )
1066	ENDIF
1067	ENDIF
1068	! ! ================== !
1069	! ! SSH !
1070	! ! ================== !
1071	IF( srcv(jpr_ssh )%laction ) THEN ! received by sas in case of opa <-> sas coupling
1072	ssh_m(:,:) = frcv(jpr_ssh )%z3(:,:,1)
1073	CALL iom_put( 'ssh_m', ssh_m )
1074	ENDIF
1075	! ! ================== !
1076	! ! surface currents !
1077	! ! ================== !
1078	IF( srcv(jpr_ocx1)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1079	ssu_m(:,:) = frcv(jpr_ocx1)%z3(:,:,1)
1080	ub (:,:,1) = ssu_m(:,:) ! will be used in sbcice_lim in the call of lim_sbc_tau
1081	CALL iom_put( 'ssu_m', ssu_m )
1082	ENDIF
1083	IF( srcv(jpr_ocy1)%laction ) THEN
1084	ssv_m(:,:) = frcv(jpr_ocy1)%z3(:,:,1)
1085	vb (:,:,1) = ssv_m(:,:) ! will be used in sbcice_lim in the call of lim_sbc_tau
1086	CALL iom_put( 'ssv_m', ssv_m )
1087	ENDIF
1088	! ! ======================== !
1089	! ! first T level thickness !
1090	! ! ======================== !
1091	IF( srcv(jpr_e3t1st )%laction ) THEN ! received by sas in case of opa <-> sas coupling
1092	e3t_m(:,:) = frcv(jpr_e3t1st )%z3(:,:,1)
1093	CALL iom_put( 'e3t_m', e3t_m(:,:) )
1094	ENDIF
1095	! ! ================================ !
1096	! ! fraction of solar net radiation !
1097	! ! ================================ !
1098	IF( srcv(jpr_fraqsr)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1099	frq_m(:,:) = frcv(jpr_fraqsr)%z3(:,:,1)
1100	CALL iom_put( 'frq_m', frq_m )
1101	ENDIF
1102
1103	! ! ========================= !
1104	IF( k_ice <= 1 .AND. MOD( kt-1, k_fsbc ) == 0 ) THEN ! heat & freshwater fluxes ! (Ocean only case)
1105	! ! ========================= !
1106	!
1107	! ! total freshwater fluxes over the ocean (emp)
1108	IF( srcv(jpr_oemp)%laction .OR. srcv(jpr_rain)%laction ) THEN
1109	SELECT CASE( TRIM( sn_rcv_emp%cldes ) ) ! evaporation - precipitation
1110	CASE( 'conservative' )
1111	zemp(:,:) = frcv(jpr_tevp)%z3(:,:,1) - ( frcv(jpr_rain)%z3(:,:,1) + frcv(jpr_snow)%z3(:,:,1) )
1112	CASE( 'oce only', 'oce and ice' )
1113	zemp(:,:) = frcv(jpr_oemp)%z3(:,:,1)
1114	CASE default
1115	CALL ctl_stop( 'sbc_cpl_rcv: wrong definition of sn_rcv_emp%cldes' )
1116	END SELECT
1117	ELSE
1118	zemp(:,:) = 0._wp
1119	ENDIF
1120	!
1121	! ! runoffs and calving (added in emp)
1122	IF( srcv(jpr_rnf)%laction ) rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1123	IF( srcv(jpr_cal)%laction ) zemp(:,:) = zemp(:,:) - frcv(jpr_cal)%z3(:,:,1)
1124
1125	IF( ln_mixcpl ) THEN ; emp(:,:) = emp(:,:) * xcplmask(:,:,0) + zemp(:,:) * zmsk(:,:)
1126	ELSE ; emp(:,:) = zemp(:,:)
1127	ENDIF
1128	!
1129	! ! non solar heat flux over the ocean (qns)
1130	IF( srcv(jpr_qnsoce)%laction ) THEN ; zqns(:,:) = frcv(jpr_qnsoce)%z3(:,:,1)
1131	ELSE IF( srcv(jpr_qnsmix)%laction ) THEN ; zqns(:,:) = frcv(jpr_qnsmix)%z3(:,:,1)
1132	ELSE ; zqns(:,:) = 0._wp
1133	END IF
1134	! update qns over the free ocean with:
1135	IF( nn_components /= jp_iam_opa ) THEN
1136	zqns(:,:) = zqns(:,:) - zemp(:,:) * sst_m(:,:) * rcp ! remove heat content due to mass flux (assumed to be at SST)
1137	IF( srcv(jpr_snow )%laction ) THEN
1138	zqns(:,:) = zqns(:,:) - frcv(jpr_snow)%z3(:,:,1) * lfus ! energy for melting solid precipitation over the free ocean
1139	ENDIF
1140	ENDIF
1141	IF( ln_mixcpl ) THEN ; qns(:,:) = qns(:,:) * xcplmask(:,:,0) + zqns(:,:) * zmsk(:,:)
1142	ELSE ; qns(:,:) = zqns(:,:)
1143	ENDIF
1144
1145	! ! solar flux over the ocean (qsr)
1146	IF ( srcv(jpr_qsroce)%laction ) THEN ; zqsr(:,:) = frcv(jpr_qsroce)%z3(:,:,1)
1147	ELSE IF( srcv(jpr_qsrmix)%laction ) then ; zqsr(:,:) = frcv(jpr_qsrmix)%z3(:,:,1)
1148	ELSE ; zqsr(:,:) = 0._wp
1149	ENDIF
1150	IF( ln_dm2dc .AND. ln_cpl ) zqsr(:,:) = sbc_dcy( zqsr ) ! modify qsr to include the diurnal cycle
1151	IF( ln_mixcpl ) THEN ; qsr(:,:) = qsr(:,:) * xcplmask(:,:,0) + zqsr(:,:) * zmsk(:,:)
1152	ELSE ; qsr(:,:) = zqsr(:,:)
1153	ENDIF
1154	!
1155	! salt flux over the ocean (received by opa in case of opa <-> sas coupling)
1156	IF( srcv(jpr_sflx )%laction ) sfx(:,:) = frcv(jpr_sflx )%z3(:,:,1)
1157	! Ice cover (received by opa in case of opa <-> sas coupling)
1158	IF( srcv(jpr_fice )%laction ) fr_i(:,:) = frcv(jpr_fice )%z3(:,:,1)
1159	!
1160
1161	ENDIF
1162	!
1163	CALL wrk_dealloc( jpi,jpj, ztx, zty, zmsk, zemp, zqns, zqsr )
1164	!
1165	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_rcv')
1166	!
1167	END SUBROUTINE sbc_cpl_rcv
1168
1169
1170	SUBROUTINE sbc_cpl_ice_tau( p_taui, p_tauj )
1171	!!----------------------------------------------------------------------
1172	!! * ROUTINE sbc_cpl_ice_tau *
1173	!!
1174	!! ** Purpose : provide the stress over sea-ice in coupled mode
1175	!!
1176	!! ** Method : transform the received stress from the atmosphere into
1177	!! an atmosphere-ice stress in the (i,j) ocean referencial
1178	!! and at the velocity point of the sea-ice model (cp_ice_msh):
1179	!! 'C'-grid : i- (j-) components given at U- (V-) point
1180	!! 'I'-grid : B-grid lower-left corner: both components given at I-point
1181	!!
1182	!! The received stress are :
1183	!! - defined by 3 components (if cartesian coordinate)
1184	!! or by 2 components (if spherical)
1185	!! - oriented along geographical coordinate (if eastward-northward)
1186	!! or along the local grid coordinate (if local grid)
1187	!! - given at U- and V-point, resp. if received on 2 grids
1188	!! or at a same point (T or I) if received on 1 grid
1189	!! Therefore and if necessary, they are successively
1190	!! processed in order to obtain them
1191	!! first as 2 components on the sphere
1192	!! second as 2 components oriented along the local grid
1193	!! third as 2 components on the cp_ice_msh point
1194	!!
1195	!! Except in 'oce and ice' case, only one vector stress field
1196	!! is received. It has already been processed in sbc_cpl_rcv
1197	!! so that it is now defined as (i,j) components given at U-
1198	!! and V-points, respectively. Therefore, only the third
1199	!! transformation is done and only if the ice-grid is a 'I'-grid.
1200	!!
1201	!! ** Action : return ptau_i, ptau_j, the stress over the ice at cp_ice_msh point
1202	!!----------------------------------------------------------------------
1203	REAL(wp), INTENT(out), DIMENSION(:,:) :: p_taui ! i- & j-components of atmos-ice stress [N/m2]
1204	REAL(wp), INTENT(out), DIMENSION(:,:) :: p_tauj ! at I-point (B-grid) or U & V-point (C-grid)
1205	!!
1206	INTEGER :: ji, jj ! dummy loop indices
1207	INTEGER :: itx ! index of taux over ice
1208	REAL(wp), POINTER, DIMENSION(:,:) :: ztx, zty
1209	!!----------------------------------------------------------------------
1210	!
1211	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_ice_tau')
1212	!
1213	CALL wrk_alloc( jpi,jpj, ztx, zty )
1214
1215	IF( srcv(jpr_itx1)%laction ) THEN ; itx = jpr_itx1
1216	ELSE ; itx = jpr_otx1
1217	ENDIF
1218
1219	! do something only if we just received the stress from atmosphere
1220	IF( nrcvinfo(itx) == OASIS_Rcv ) THEN
1221
1222	! ! ======================= !
1223	IF( srcv(jpr_itx1)%laction ) THEN ! ice stress received !
1224	! ! ======================= !
1225	!
1226	IF( TRIM( sn_rcv_tau%clvref ) == 'cartesian' ) THEN ! 2 components on the sphere
1227	! ! (cartesian to spherical -> 3 to 2 components)
1228	CALL geo2oce( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), frcv(jpr_itz1)%z3(:,:,1), &
1229	& srcv(jpr_itx1)%clgrid, ztx, zty )
1230	frcv(jpr_itx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 1st grid
1231	frcv(jpr_ity1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 1st grid
1232	!
1233	IF( srcv(jpr_itx2)%laction ) THEN
1234	CALL geo2oce( frcv(jpr_itx2)%z3(:,:,1), frcv(jpr_ity2)%z3(:,:,1), frcv(jpr_itz2)%z3(:,:,1), &
1235	& srcv(jpr_itx2)%clgrid, ztx, zty )
1236	frcv(jpr_itx2)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 2nd grid
1237	frcv(jpr_ity2)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 2nd grid
1238	ENDIF
1239	!
1240	ENDIF
1241	!
1242	IF( TRIM( sn_rcv_tau%clvor ) == 'eastward-northward' ) THEN ! 2 components oriented along the local grid
1243	! ! (geographical to local grid -> rotate the components)
1244	CALL rot_rep( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), srcv(jpr_itx1)%clgrid, 'en->i', ztx )
1245	IF( srcv(jpr_itx2)%laction ) THEN
1246	CALL rot_rep( frcv(jpr_itx2)%z3(:,:,1), frcv(jpr_ity2)%z3(:,:,1), srcv(jpr_itx2)%clgrid, 'en->j', zty )
1247	ELSE
1248	CALL rot_rep( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), srcv(jpr_itx1)%clgrid, 'en->j', zty )
1249	ENDIF
1250	frcv(jpr_itx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st component on the 1st grid
1251	frcv(jpr_ity1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd component on the 1st grid
1252	ENDIF
1253	! ! ======================= !
1254	ELSE ! use ocean stress !
1255	! ! ======================= !
1256	frcv(jpr_itx1)%z3(:,:,1) = frcv(jpr_otx1)%z3(:,:,1)
1257	frcv(jpr_ity1)%z3(:,:,1) = frcv(jpr_oty1)%z3(:,:,1)
1258	!
1259	ENDIF
1260	! ! ======================= !
1261	! ! put on ice grid !
1262	! ! ======================= !
1263	!
1264	! j+1 j -----V---F
1265	! ice stress on ice velocity point (cp_ice_msh) ! \|
1266	! (C-grid ==>(U,V) or B-grid ==> I or F) j \| T U
1267	! \| \|
1268	! j j-1 -I-------\|
1269	! (for I) \| \|
1270	! i-1 i i
1271	! i i+1 (for I)
1272	SELECT CASE ( cp_ice_msh )
1273	!
1274	CASE( 'I' ) ! B-grid ==> I
1275	SELECT CASE ( srcv(jpr_itx1)%clgrid )
1276	CASE( 'U' )
1277	DO jj = 2, jpjm1 ! (U,V) ==> I
1278	DO ji = 2, jpim1 ! NO vector opt.
1279	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji-1,jj ,1) + frcv(jpr_itx1)%z3(ji-1,jj-1,1) )
1280	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji ,jj-1,1) + frcv(jpr_ity1)%z3(ji-1,jj-1,1) )
1281	END DO
1282	END DO
1283	CASE( 'F' )
1284	DO jj = 2, jpjm1 ! F ==> I
1285	DO ji = 2, jpim1 ! NO vector opt.
1286	p_taui(ji,jj) = frcv(jpr_itx1)%z3(ji-1,jj-1,1)
1287	p_tauj(ji,jj) = frcv(jpr_ity1)%z3(ji-1,jj-1,1)
1288	END DO
1289	END DO
1290	CASE( 'T' )
1291	DO jj = 2, jpjm1 ! T ==> I
1292	DO ji = 2, jpim1 ! NO vector opt.
1293	p_taui(ji,jj) = 0.25 * ( frcv(jpr_itx1)%z3(ji,jj ,1) + frcv(jpr_itx1)%z3(ji-1,jj ,1) &
1294	& + frcv(jpr_itx1)%z3(ji,jj-1,1) + frcv(jpr_itx1)%z3(ji-1,jj-1,1) )
1295	p_tauj(ji,jj) = 0.25 * ( frcv(jpr_ity1)%z3(ji,jj ,1) + frcv(jpr_ity1)%z3(ji-1,jj ,1) &
1296	& + frcv(jpr_oty1)%z3(ji,jj-1,1) + frcv(jpr_ity1)%z3(ji-1,jj-1,1) )
1297	END DO
1298	END DO
1299	CASE( 'I' )
1300	p_taui(:,:) = frcv(jpr_itx1)%z3(:,:,1) ! I ==> I
1301	p_tauj(:,:) = frcv(jpr_ity1)%z3(:,:,1)
1302	END SELECT
1303	IF( srcv(jpr_itx1)%clgrid /= 'I' ) THEN
1304	CALL lbc_lnk( p_taui, 'I', -1. ) ; CALL lbc_lnk( p_tauj, 'I', -1. )
1305	ENDIF
1306	!
1307	CASE( 'F' ) ! B-grid ==> F
1308	SELECT CASE ( srcv(jpr_itx1)%clgrid )
1309	CASE( 'U' )
1310	DO jj = 2, jpjm1 ! (U,V) ==> F
1311	DO ji = fs_2, fs_jpim1 ! vector opt.
1312	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji,jj,1) + frcv(jpr_itx1)%z3(ji ,jj+1,1) )
1313	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji,jj,1) + frcv(jpr_ity1)%z3(ji+1,jj ,1) )
1314	END DO
1315	END DO
1316	CASE( 'I' )
1317	DO jj = 2, jpjm1 ! I ==> F
1318	DO ji = 2, jpim1 ! NO vector opt.
1319	p_taui(ji,jj) = frcv(jpr_itx1)%z3(ji+1,jj+1,1)
1320	p_tauj(ji,jj) = frcv(jpr_ity1)%z3(ji+1,jj+1,1)
1321	END DO
1322	END DO
1323	CASE( 'T' )
1324	DO jj = 2, jpjm1 ! T ==> F
1325	DO ji = 2, jpim1 ! NO vector opt.
1326	p_taui(ji,jj) = 0.25 * ( frcv(jpr_itx1)%z3(ji,jj ,1) + frcv(jpr_itx1)%z3(ji+1,jj ,1) &
1327	& + frcv(jpr_itx1)%z3(ji,jj+1,1) + frcv(jpr_itx1)%z3(ji+1,jj+1,1) )
1328	p_tauj(ji,jj) = 0.25 * ( frcv(jpr_ity1)%z3(ji,jj ,1) + frcv(jpr_ity1)%z3(ji+1,jj ,1) &
1329	& + frcv(jpr_ity1)%z3(ji,jj+1,1) + frcv(jpr_ity1)%z3(ji+1,jj+1,1) )
1330	END DO
1331	END DO
1332	CASE( 'F' )
1333	p_taui(:,:) = frcv(jpr_itx1)%z3(:,:,1) ! F ==> F
1334	p_tauj(:,:) = frcv(jpr_ity1)%z3(:,:,1)
1335	END SELECT
1336	IF( srcv(jpr_itx1)%clgrid /= 'F' ) THEN
1337	CALL lbc_lnk( p_taui, 'F', -1. ) ; CALL lbc_lnk( p_tauj, 'F', -1. )
1338	ENDIF
1339	!
1340	CASE( 'C' ) ! C-grid ==> U,V
1341	SELECT CASE ( srcv(jpr_itx1)%clgrid )
1342	CASE( 'U' )
1343	p_taui(:,:) = frcv(jpr_itx1)%z3(:,:,1) ! (U,V) ==> (U,V)
1344	p_tauj(:,:) = frcv(jpr_ity1)%z3(:,:,1)
1345	CASE( 'F' )
1346	DO jj = 2, jpjm1 ! F ==> (U,V)
1347	DO ji = fs_2, fs_jpim1 ! vector opt.
1348	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji,jj,1) + frcv(jpr_itx1)%z3(ji ,jj-1,1) )
1349	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(jj,jj,1) + frcv(jpr_ity1)%z3(ji-1,jj ,1) )
1350	END DO
1351	END DO
1352	CASE( 'T' )
1353	DO jj = 2, jpjm1 ! T ==> (U,V)
1354	DO ji = fs_2, fs_jpim1 ! vector opt.
1355	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji+1,jj ,1) + frcv(jpr_itx1)%z3(ji,jj,1) )
1356	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji ,jj+1,1) + frcv(jpr_ity1)%z3(ji,jj,1) )
1357	END DO
1358	END DO
1359	CASE( 'I' )
1360	DO jj = 2, jpjm1 ! I ==> (U,V)
1361	DO ji = 2, jpim1 ! NO vector opt.
1362	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji+1,jj+1,1) + frcv(jpr_itx1)%z3(ji+1,jj ,1) )
1363	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji+1,jj+1,1) + frcv(jpr_ity1)%z3(ji ,jj+1,1) )
1364	END DO
1365	END DO
1366	END SELECT
1367	IF( srcv(jpr_itx1)%clgrid /= 'U' ) THEN
1368	CALL lbc_lnk( p_taui, 'U', -1. ) ; CALL lbc_lnk( p_tauj, 'V', -1. )
1369	ENDIF
1370	END SELECT
1371
1372	ENDIF
1373	!
1374	CALL wrk_dealloc( jpi,jpj, ztx, zty )
1375	!
1376	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_ice_tau')
1377	!
1378	END SUBROUTINE sbc_cpl_ice_tau
1379
1380
1381	SUBROUTINE sbc_cpl_ice_flx( p_frld, palbi, psst, pist )
1382	!!----------------------------------------------------------------------
1383	!! * ROUTINE sbc_cpl_ice_flx *
1384	!!
1385	!! ** Purpose : provide the heat and freshwater fluxes of the
1386	!! ocean-ice system.
1387	!!
1388	!! ** Method : transform the fields received from the atmosphere into
1389	!! surface heat and fresh water boundary condition for the
1390	!! ice-ocean system. The following fields are provided:
1391	!! * total non solar, solar and freshwater fluxes (qns_tot,
1392	!! qsr_tot and emp_tot) (total means weighted ice-ocean flux)
1393	!! NB: emp_tot include runoffs and calving.
1394	!! * fluxes over ice (qns_ice, qsr_ice, emp_ice) where
1395	!! emp_ice = sublimation - solid precipitation as liquid
1396	!! precipitation are re-routed directly to the ocean and
1397	!! runoffs and calving directly enter the ocean.
1398	!! * solid precipitation (sprecip), used to add to qns_tot
1399	!! the heat lost associated to melting solid precipitation
1400	!! over the ocean fraction.
1401	!! ===>> CAUTION here this changes the net heat flux received from
1402	!! the atmosphere
1403	!!
1404	!! - the fluxes have been separated from the stress as
1405	!! (a) they are updated at each ice time step compare to
1406	!! an update at each coupled time step for the stress, and
1407	!! (b) the conservative computation of the fluxes over the
1408	!! sea-ice area requires the knowledge of the ice fraction
1409	!! after the ice advection and before the ice thermodynamics,
1410	!! so that the stress is updated before the ice dynamics
1411	!! while the fluxes are updated after it.
1412	!!
1413	!! ** Action : update at each nf_ice time step:
1414	!! qns_tot, qsr_tot non-solar and solar total heat fluxes
1415	!! qns_ice, qsr_ice non-solar and solar heat fluxes over the ice
1416	!! emp_tot total evaporation - precipitation(liquid and solid) (-runoff)(-calving)
1417	!! emp_ice ice sublimation - solid precipitation over the ice
1418	!! dqns_ice d(non-solar heat flux)/d(Temperature) over the ice
1419	!! sprecip solid precipitation over the ocean
1420	!!----------------------------------------------------------------------
1421	REAL(wp), INTENT(in ), DIMENSION(:,:) :: p_frld ! lead fraction [0 to 1]
1422	! optional arguments, used only in 'mixed oce-ice' case
1423	REAL(wp), INTENT(in ), DIMENSION(:,:,:), OPTIONAL :: palbi ! all skies ice albedo
1424	REAL(wp), INTENT(in ), DIMENSION(:,: ), OPTIONAL :: psst ! sea surface temperature [Celsius]
1425	REAL(wp), INTENT(in ), DIMENSION(:,:,:), OPTIONAL :: pist ! ice surface temperature [Kelvin]
1426	!
1427	INTEGER :: jl ! dummy loop index
1428	REAL(wp), POINTER, DIMENSION(:,: ) :: zcptn, ztmp, zicefr, zmsk
1429	REAL(wp), POINTER, DIMENSION(:,: ) :: zemp_tot, zemp_ice, zsprecip, ztprecip, zqns_tot, zqsr_tot
1430	REAL(wp), POINTER, DIMENSION(:,:,:) :: zqns_ice, zqsr_ice, zdqns_ice
1431	REAL(wp), POINTER, DIMENSION(:,: ) :: zevap, zsnw, zqns_oce, zqsr_oce, zqprec_ice, zqemp_oce ! for LIM3
1432	!!----------------------------------------------------------------------
1433	!
1434	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_ice_flx')
1435	!
1436	CALL wrk_alloc( jpi,jpj, zcptn, ztmp, zicefr, zmsk, zemp_tot, zemp_ice, zsprecip, ztprecip, zqns_tot, zqsr_tot )
1437	CALL wrk_alloc( jpi,jpj,jpl, zqns_ice, zqsr_ice, zdqns_ice )
1438
1439	IF( ln_mixcpl ) zmsk(:,:) = 1. - xcplmask(:,:,0)
1440	zicefr(:,:) = 1.- p_frld(:,:)
1441	zcptn(:,:) = rcp * sst_m(:,:)
1442	!
1443	! ! ========================= !
1444	! ! freshwater budget ! (emp)
1445	! ! ========================= !
1446	!
1447	! ! total Precipitation - total Evaporation (emp_tot)
1448	! ! solid precipitation - sublimation (emp_ice)
1449	! ! solid Precipitation (sprecip)
1450	! ! liquid + solid Precipitation (tprecip)
1451	SELECT CASE( TRIM( sn_rcv_emp%cldes ) )
1452	CASE( 'conservative' ) ! received fields: jpr_rain, jpr_snow, jpr_ievp, jpr_tevp
1453	zsprecip(:,:) = frcv(jpr_snow)%z3(:,:,1) ! May need to ensure positive here
1454	ztprecip(:,:) = frcv(jpr_rain)%z3(:,:,1) + zsprecip(:,:) ! May need to ensure positive here
1455	zemp_tot(:,:) = frcv(jpr_tevp)%z3(:,:,1) - ztprecip(:,:)
1456	zemp_ice(:,:) = frcv(jpr_ievp)%z3(:,:,1) - frcv(jpr_snow)%z3(:,:,1)
1457	CALL iom_put( 'rain' , frcv(jpr_rain)%z3(:,:,1) ) ! liquid precipitation
1458	IF( iom_use('hflx_rain_cea') ) &
1459	CALL iom_put( 'hflx_rain_cea', frcv(jpr_rain)%z3(:,:,1) * zcptn(:,:) ) ! heat flux from liq. precip.
1460	IF( iom_use('evap_ao_cea') .OR. iom_use('hflx_evap_cea') ) &
1461	ztmp(:,:) = frcv(jpr_tevp)%z3(:,:,1) - frcv(jpr_ievp)%z3(:,:,1) * zicefr(:,:)
1462	IF( iom_use('evap_ao_cea' ) ) &
1463	CALL iom_put( 'evap_ao_cea' , ztmp ) ! ice-free oce evap (cell average)
1464	IF( iom_use('hflx_evap_cea') ) &
1465	CALL iom_put( 'hflx_evap_cea', ztmp(:,:) * zcptn(:,:) ) ! heat flux from from evap (cell average)
1466	CASE( 'oce and ice' ) ! received fields: jpr_sbpr, jpr_semp, jpr_oemp, jpr_ievp
1467	zemp_tot(:,:) = p_frld(:,:) * frcv(jpr_oemp)%z3(:,:,1) + zicefr(:,:) * frcv(jpr_sbpr)%z3(:,:,1)
1468	zemp_ice(:,:) = frcv(jpr_semp)%z3(:,:,1)
1469	zsprecip(:,:) = frcv(jpr_ievp)%z3(:,:,1) - frcv(jpr_semp)%z3(:,:,1)
1470	ztprecip(:,:) = frcv(jpr_semp)%z3(:,:,1) - frcv(jpr_sbpr)%z3(:,:,1) + zsprecip(:,:)
1471	END SELECT
1472
1473	IF( iom_use('subl_ai_cea') ) &
1474	CALL iom_put( 'subl_ai_cea', frcv(jpr_ievp)%z3(:,:,1) * zicefr(:,:) ) ! Sublimation over sea-ice (cell average)
1475	!
1476	! ! runoffs and calving (put in emp_tot)
1477	IF( srcv(jpr_rnf)%laction ) rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1478	IF( srcv(jpr_cal)%laction ) THEN
1479	zemp_tot(:,:) = zemp_tot(:,:) - frcv(jpr_cal)%z3(:,:,1)
1480	CALL iom_put( 'calving_cea', frcv(jpr_cal)%z3(:,:,1) )
1481	ENDIF
1482
1483	IF( ln_mixcpl ) THEN
1484	emp_tot(:,:) = emp_tot(:,:) * xcplmask(:,:,0) + zemp_tot(:,:) * zmsk(:,:)
1485	emp_ice(:,:) = emp_ice(:,:) * xcplmask(:,:,0) + zemp_ice(:,:) * zmsk(:,:)
1486	sprecip(:,:) = sprecip(:,:) * xcplmask(:,:,0) + zsprecip(:,:) * zmsk(:,:)
1487	tprecip(:,:) = tprecip(:,:) * xcplmask(:,:,0) + ztprecip(:,:) * zmsk(:,:)
1488	ELSE
1489	emp_tot(:,:) = zemp_tot(:,:)
1490	emp_ice(:,:) = zemp_ice(:,:)
1491	sprecip(:,:) = zsprecip(:,:)
1492	tprecip(:,:) = ztprecip(:,:)
1493	ENDIF
1494
1495	CALL iom_put( 'snowpre' , sprecip ) ! Snow
1496	IF( iom_use('snow_ao_cea') ) &
1497	CALL iom_put( 'snow_ao_cea', sprecip(:,:) * p_frld(:,:) ) ! Snow over ice-free ocean (cell average)
1498	IF( iom_use('snow_ai_cea') ) &
1499	CALL iom_put( 'snow_ai_cea', sprecip(:,:) * zicefr(:,:) ) ! Snow over sea-ice (cell average)
1500
1501	! ! ========================= !
1502	SELECT CASE( TRIM( sn_rcv_qns%cldes ) ) ! non solar heat fluxes ! (qns)
1503	! ! ========================= !
1504	CASE( 'oce only' ) ! the required field is directly provided
1505	zqns_tot(:,: ) = frcv(jpr_qnsoce)%z3(:,:,1)
1506	CASE( 'conservative' ) ! the required fields are directly provided
1507	zqns_tot(:,: ) = frcv(jpr_qnsmix)%z3(:,:,1)
1508	IF ( TRIM(sn_rcv_qns%clcat) == 'yes' ) THEN
1509	zqns_ice(:,:,1:jpl) = frcv(jpr_qnsice)%z3(:,:,1:jpl)
1510	ELSE
1511	! Set all category values equal for the moment
1512	DO jl=1,jpl
1513	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,1)
1514	ENDDO
1515	ENDIF
1516	CASE( 'oce and ice' ) ! the total flux is computed from ocean and ice fluxes
1517	zqns_tot(:,: ) = p_frld(:,:) * frcv(jpr_qnsoce)%z3(:,:,1)
1518	IF ( TRIM(sn_rcv_qns%clcat) == 'yes' ) THEN
1519	DO jl=1,jpl
1520	zqns_tot(:,: ) = zqns_tot(:,:) + a_i(:,:,jl) * frcv(jpr_qnsice)%z3(:,:,jl)
1521	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,jl)
1522	ENDDO
1523	ELSE
1524	qns_tot(:,: ) = qns_tot(:,:) + zicefr(:,:) * frcv(jpr_qnsice)%z3(:,:,1)
1525	DO jl=1,jpl
1526	zqns_tot(:,: ) = zqns_tot(:,:) + zicefr(:,:) * frcv(jpr_qnsice)%z3(:,:,1)
1527	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,1)
1528	ENDDO
1529	ENDIF
1530	CASE( 'mixed oce-ice' ) ! the ice flux is cumputed from the total flux, the SST and ice informations
1531	! NEED TO SORT OUT HOW THIS SHOULD WORK IN THE MULTI-CATEGORY CASE - CURRENTLY NOT ALLOWED WHEN INTERFACE INITIALISED
1532	zqns_tot(:,: ) = frcv(jpr_qnsmix)%z3(:,:,1)
1533	zqns_ice(:,:,1) = frcv(jpr_qnsmix)%z3(:,:,1) &
1534	& + frcv(jpr_dqnsdt)%z3(:,:,1) * ( pist(:,:,1) - ( (rt0 + psst(:,: ) ) * p_frld(:,:) &
1535	& + pist(:,:,1) * zicefr(:,:) ) )
1536	END SELECT
1537	!!gm
1538	!! currently it is taken into account in leads budget but not in the zqns_tot, and thus not in
1539	!! the flux that enter the ocean....
1540	!! moreover 1 - it is not diagnose anywhere....
1541	!! 2 - it is unclear for me whether this heat lost is taken into account in the atmosphere or not...
1542	!!
1543	!! similar job should be done for snow and precipitation temperature
1544	!
1545	IF( srcv(jpr_cal)%laction ) THEN ! Iceberg melting
1546	ztmp(:,:) = frcv(jpr_cal)%z3(:,:,1) * lfus ! add the latent heat of iceberg melting
1547	zqns_tot(:,:) = zqns_tot(:,:) - ztmp(:,:)
1548	IF( iom_use('hflx_cal_cea') ) &
1549	CALL iom_put( 'hflx_cal_cea', ztmp + frcv(jpr_cal)%z3(:,:,1) * zcptn(:,:) ) ! heat flux from calving
1550	ENDIF
1551
1552	ztmp(:,:) = p_frld(:,:) * zsprecip(:,:) * lfus
1553	IF( iom_use('hflx_snow_cea') ) CALL iom_put( 'hflx_snow_cea', ztmp + sprecip(:,:) * zcptn(:,:) ) ! heat flux from snow (cell average)
1554
1555	#if defined key_lim3
1556	CALL wrk_alloc( jpi,jpj, zevap, zsnw, zqns_oce, zqprec_ice, zqemp_oce )
1557
1558	! --- evaporation --- !
1559	! clem: evap_ice is set to 0 for LIM3 since we still do not know what to do with sublimation
1560	! the problem is: the atm. imposes both mass evaporation and heat removed from the snow/ice
1561	! but it is incoherent WITH the ice model
1562	DO jl=1,jpl
1563	evap_ice(:,:,jl) = 0._wp ! should be: frcv(jpr_ievp)%z3(:,:,1)
1564	ENDDO
1565	zevap(:,:) = zemp_tot(:,:) + ztprecip(:,:) ! evaporation over ocean
1566
1567	! --- evaporation minus precipitation --- !
1568	emp_oce(:,:) = emp_tot(:,:) - emp_ice(:,:)
1569
1570	! --- non solar flux over ocean --- !
1571	! note: p_frld cannot be = 0 since we limit the ice concentration to amax
1572	zqns_oce = 0._wp
1573	WHERE( p_frld /= 0._wp ) zqns_oce(:,:) = ( zqns_tot(:,:) - SUM( a_i * zqns_ice, dim=3 ) ) / p_frld(:,:)
1574
1575	! --- heat flux associated with emp --- !
1576	zsnw(:,:) = 0._wp
1577	CALL lim_thd_snwblow( p_frld, zsnw ) ! snow distribution over ice after wind blowing
1578	zqemp_oce(:,:) = - zevap(:,:) * p_frld(:,:) * zcptn(:,:) & ! evap
1579	& + ( ztprecip(:,:) - zsprecip(:,:) ) * zcptn(:,:) & ! liquid precip
1580	& + zsprecip(:,:) * ( 1._wp - zsnw ) * ( zcptn(:,:) - lfus ) ! solid precip over ocean
1581	qemp_ice(:,:) = - frcv(jpr_ievp)%z3(:,:,1) * zicefr(:,:) * zcptn(:,:) & ! ice evap
1582	& + zsprecip(:,:) * zsnw * ( zcptn(:,:) - lfus ) ! solid precip over ice
1583
1584	! --- heat content of precip over ice in J/m3 (to be used in 1D-thermo) --- !
1585	zqprec_ice(:,:) = rhosn * ( zcptn(:,:) - lfus )
1586
1587	! --- total non solar flux --- !
1588	zqns_tot(:,:) = zqns_tot(:,:) + qemp_ice(:,:) + zqemp_oce(:,:)
1589
1590	! --- in case both coupled/forced are active, we must mix values --- !
1591	IF( ln_mixcpl ) THEN
1592	qns_tot(:,:) = qns_tot(:,:) * xcplmask(:,:,0) + zqns_tot(:,:)* zmsk(:,:)
1593	qns_oce(:,:) = qns_oce(:,:) * xcplmask(:,:,0) + zqns_oce(:,:)* zmsk(:,:)
1594	DO jl=1,jpl
1595	qns_ice(:,:,jl) = qns_ice(:,:,jl) * xcplmask(:,:,0) + zqns_ice(:,:,jl)* zmsk(:,:)
1596	ENDDO
1597	qprec_ice(:,:) = qprec_ice(:,:) * xcplmask(:,:,0) + zqprec_ice(:,:)* zmsk(:,:)
1598	qemp_oce (:,:) = qemp_oce(:,:) * xcplmask(:,:,0) + zqemp_oce(:,:)* zmsk(:,:)
1599	!!clem evap_ice(:,:) = evap_ice(:,:) * xcplmask(:,:,0)
1600	ELSE
1601	qns_tot (:,: ) = zqns_tot (:,: )
1602	qns_oce (:,: ) = zqns_oce (:,: )
1603	qns_ice (:,:,:) = zqns_ice (:,:,:)
1604	qprec_ice(:,:) = zqprec_ice(:,:)
1605	qemp_oce (:,:) = zqemp_oce (:,:)
1606	ENDIF
1607
1608	CALL wrk_dealloc( jpi,jpj, zevap, zsnw, zqns_oce, zqprec_ice, zqemp_oce )
1609	#else
1610
1611	! clem: this formulation is certainly wrong... but better than it was...
1612	zqns_tot(:,:) = zqns_tot(:,:) & ! zqns_tot update over free ocean with:
1613	& - ztmp(:,:) & ! remove the latent heat flux of solid precip. melting
1614	& - ( zemp_tot(:,:) & ! remove the heat content of mass flux (assumed to be at SST)
1615	& - zemp_ice(:,:) * zicefr(:,:) ) * zcptn(:,:)
1616
1617	IF( ln_mixcpl ) THEN
1618	qns_tot(:,:) = qns(:,:) * p_frld(:,:) + SUM( qns_ice(:,:,:) * a_i(:,:,:), dim=3 ) ! total flux from blk
1619	qns_tot(:,:) = qns_tot(:,:) * xcplmask(:,:,0) + zqns_tot(:,:)* zmsk(:,:)
1620	DO jl=1,jpl
1621	qns_ice(:,:,jl) = qns_ice(:,:,jl) * xcplmask(:,:,0) + zqns_ice(:,:,jl)* zmsk(:,:)
1622	ENDDO
1623	ELSE
1624	qns_tot(:,: ) = zqns_tot(:,: )
1625	qns_ice(:,:,:) = zqns_ice(:,:,:)
1626	ENDIF
1627
1628	#endif
1629
1630	! ! ========================= !
1631	SELECT CASE( TRIM( sn_rcv_qsr%cldes ) ) ! solar heat fluxes ! (qsr)
1632	! ! ========================= !
1633	CASE( 'oce only' )
1634	zqsr_tot(:,: ) = MAX( 0._wp , frcv(jpr_qsroce)%z3(:,:,1) )
1635	CASE( 'conservative' )
1636	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
1637	IF ( TRIM(sn_rcv_qsr%clcat) == 'yes' ) THEN
1638	zqsr_ice(:,:,1:jpl) = frcv(jpr_qsrice)%z3(:,:,1:jpl)
1639	ELSE
1640	! Set all category values equal for the moment
1641	DO jl=1,jpl
1642	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,1)
1643	ENDDO
1644	ENDIF
1645	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
1646	zqsr_ice(:,:,1) = frcv(jpr_qsrice)%z3(:,:,1)
1647	CASE( 'oce and ice' )
1648	zqsr_tot(:,: ) = p_frld(:,:) * frcv(jpr_qsroce)%z3(:,:,1)
1649	IF ( TRIM(sn_rcv_qsr%clcat) == 'yes' ) THEN
1650	DO jl=1,jpl
1651	zqsr_tot(:,: ) = zqsr_tot(:,:) + a_i(:,:,jl) * frcv(jpr_qsrice)%z3(:,:,jl)
1652	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,jl)
1653	ENDDO
1654	ELSE
1655	qsr_tot(:,: ) = qsr_tot(:,:) + zicefr(:,:) * frcv(jpr_qsrice)%z3(:,:,1)
1656	DO jl=1,jpl
1657	zqsr_tot(:,: ) = zqsr_tot(:,:) + zicefr(:,:) * frcv(jpr_qsrice)%z3(:,:,1)
1658	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,1)
1659	ENDDO
1660	ENDIF
1661	CASE( 'mixed oce-ice' )
1662	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
1663	! NEED TO SORT OUT HOW THIS SHOULD WORK IN THE MULTI-CATEGORY CASE - CURRENTLY NOT ALLOWED WHEN INTERFACE INITIALISED
1664	! Create solar heat flux over ice using incoming solar heat flux and albedos
1665	! ( see OASIS3 user guide, 5th edition, p39 )
1666	zqsr_ice(:,:,1) = frcv(jpr_qsrmix)%z3(:,:,1) * ( 1.- palbi(:,:,1) ) &
1667	& / ( 1.- ( albedo_oce_mix(:,: ) * p_frld(:,:) &
1668	& + palbi (:,:,1) * zicefr(:,:) ) )
1669	END SELECT
1670	IF( ln_dm2dc .AND. ln_cpl ) THEN ! modify qsr to include the diurnal cycle
1671	zqsr_tot(:,: ) = sbc_dcy( zqsr_tot(:,: ) )
1672	DO jl=1,jpl
1673	zqsr_ice(:,:,jl) = sbc_dcy( zqsr_ice(:,:,jl) )
1674	ENDDO
1675	ENDIF
1676
1677	#if defined key_lim3
1678	CALL wrk_alloc( jpi,jpj, zqsr_oce )
1679	! --- solar flux over ocean --- !
1680	! note: p_frld cannot be = 0 since we limit the ice concentration to amax
1681	zqsr_oce = 0._wp
1682	WHERE( p_frld /= 0._wp ) zqsr_oce(:,:) = ( zqsr_tot(:,:) - SUM( a_i * zqsr_ice, dim=3 ) ) / p_frld(:,:)
1683
1684	IF( ln_mixcpl ) THEN ; qsr_oce(:,:) = qsr_oce(:,:) * xcplmask(:,:,0) + zqsr_oce(:,:)* zmsk(:,:)
1685	ELSE ; qsr_oce(:,:) = zqsr_oce(:,:) ; ENDIF
1686
1687	CALL wrk_dealloc( jpi,jpj, zqsr_oce )
1688	#endif
1689
1690	IF( ln_mixcpl ) THEN
1691	qsr_tot(:,:) = qsr(:,:) * p_frld(:,:) + SUM( qsr_ice(:,:,:) * a_i(:,:,:), dim=3 ) ! total flux from blk
1692	qsr_tot(:,:) = qsr_tot(:,:) * xcplmask(:,:,0) + zqsr_tot(:,:)* zmsk(:,:)
1693	DO jl=1,jpl
1694	qsr_ice(:,:,jl) = qsr_ice(:,:,jl) * xcplmask(:,:,0) + zqsr_ice(:,:,jl)* zmsk(:,:)
1695	ENDDO
1696	ELSE
1697	qsr_tot(:,: ) = zqsr_tot(:,: )
1698	qsr_ice(:,:,:) = zqsr_ice(:,:,:)
1699	ENDIF
1700
1701	! ! ========================= !
1702	SELECT CASE( TRIM( sn_rcv_dqnsdt%cldes ) ) ! d(qns)/dt !
1703	! ! ========================= !
1704	CASE ('coupled')
1705	IF ( TRIM(sn_rcv_dqnsdt%clcat) == 'yes' ) THEN
1706	zdqns_ice(:,:,1:jpl) = frcv(jpr_dqnsdt)%z3(:,:,1:jpl)
1707	ELSE
1708	! Set all category values equal for the moment
1709	DO jl=1,jpl
1710	zdqns_ice(:,:,jl) = frcv(jpr_dqnsdt)%z3(:,:,1)
1711	ENDDO
1712	ENDIF
1713	END SELECT
1714
1715	IF( ln_mixcpl ) THEN
1716	DO jl=1,jpl
1717	dqns_ice(:,:,jl) = dqns_ice(:,:,jl) * xcplmask(:,:,0) + zdqns_ice(:,:,jl) * zmsk(:,:)
1718	ENDDO
1719	ELSE
1720	dqns_ice(:,:,:) = zdqns_ice(:,:,:)
1721	ENDIF
1722
1723	! ! ========================= !
1724	SELECT CASE( TRIM( sn_rcv_iceflx%cldes ) ) ! topmelt and botmelt !
1725	! ! ========================= !
1726	CASE ('coupled')
1727	topmelt(:,:,:)=frcv(jpr_topm)%z3(:,:,:)
1728	botmelt(:,:,:)=frcv(jpr_botm)%z3(:,:,:)
1729	END SELECT
1730
1731	! Surface transimission parameter io (Maykut Untersteiner , 1971 ; Ebert and Curry, 1993 )
1732	! Used for LIM2 and LIM3
1733	! Coupled case: since cloud cover is not received from atmosphere
1734	! ===> used prescribed cloud fraction representative for polar oceans in summer (0.81)
1735	fr1_i0(:,:) = ( 0.18 * ( 1.0 - cldf_ice ) + 0.35 * cldf_ice )
1736	fr2_i0(:,:) = ( 0.82 * ( 1.0 - cldf_ice ) + 0.65 * cldf_ice )
1737
1738	CALL wrk_dealloc( jpi,jpj, zcptn, ztmp, zicefr, zmsk, zemp_tot, zemp_ice, zsprecip, ztprecip, zqns_tot, zqsr_tot )
1739	CALL wrk_dealloc( jpi,jpj,jpl, zqns_ice, zqsr_ice, zdqns_ice )
1740	!
1741	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_ice_flx')
1742	!
1743	END SUBROUTINE sbc_cpl_ice_flx
1744
1745
1746	SUBROUTINE sbc_cpl_snd( kt )
1747	!!----------------------------------------------------------------------
1748	!! * ROUTINE sbc_cpl_snd *
1749	!!
1750	!! ** Purpose : provide the ocean-ice informations to the atmosphere
1751	!!
1752	!! ** Method : send to the atmosphere through a call to cpl_snd
1753	!! all the needed fields (as defined in sbc_cpl_init)
1754	!!----------------------------------------------------------------------
1755	INTEGER, INTENT(in) :: kt
1756	!
1757	INTEGER :: ji, jj, jl ! dummy loop indices
1758	INTEGER :: isec, info ! local integer
1759	REAL(wp) :: zumax, zvmax
1760	REAL(wp), POINTER, DIMENSION(:,:) :: zfr_l, ztmp1, ztmp2, zotx1, zoty1, zotz1, zitx1, zity1, zitz1
1761	REAL(wp), POINTER, DIMENSION(:,:,:) :: ztmp3, ztmp4
1762	!!----------------------------------------------------------------------
1763	!
1764	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_snd')
1765	!
1766	CALL wrk_alloc( jpi,jpj, zfr_l, ztmp1, ztmp2, zotx1, zoty1, zotz1, zitx1, zity1, zitz1 )
1767	CALL wrk_alloc( jpi,jpj,jpl, ztmp3, ztmp4 )
1768
1769	isec = ( kt - nit000 ) * NINT(rdttra(1)) ! date of exchanges
1770
1771	zfr_l(:,:) = 1.- fr_i(:,:)
1772	! ! ------------------------- !
1773	! ! Surface temperature ! in Kelvin
1774	! ! ------------------------- !
1775	IF( ssnd(jps_toce)%laction .OR. ssnd(jps_tice)%laction .OR. ssnd(jps_tmix)%laction ) THEN
1776
1777	IF ( nn_components == jp_iam_opa ) THEN
1778	ztmp1(:,:) = tsn(:,:,1,jp_tem) ! send temperature as it is (potential or conservative) -> use of ln_useCT on the received part
1779	ELSE
1780	! we must send the surface potential temperature
1781	IF( ln_useCT ) THEN ; ztmp1(:,:) = eos_pt_from_ct( tsn(:,:,1,jp_tem), tsn(:,:,1,jp_sal) )
1782	ELSE ; ztmp1(:,:) = tsn(:,:,1,jp_tem)
1783	ENDIF
1784	!
1785	SELECT CASE( sn_snd_temp%cldes)
1786	CASE( 'oce only' ) ; ztmp1(:,:) = ztmp1(:,:) + rt0
1787	CASE( 'oce and ice' ) ; ztmp1(:,:) = ztmp1(:,:) + rt0
1788	SELECT CASE( sn_snd_temp%clcat )
1789	CASE( 'yes' )
1790	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl)
1791	CASE( 'no' )
1792	WHERE( SUM( a_i, dim=3 ) /= 0. )
1793	ztmp3(:,:,1) = SUM( tn_ice * a_i, dim=3 ) / SUM( a_i, dim=3 )
1794	ELSEWHERE
1795	ztmp3(:,:,1) = rt0 ! TODO: Is freezing point a good default? (Maybe SST is better?)
1796	END WHERE
1797	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
1798	END SELECT
1799	CASE( 'weighted oce and ice' ) ; ztmp1(:,:) = ( ztmp1(:,:) + rt0 ) * zfr_l(:,:)
1800	SELECT CASE( sn_snd_temp%clcat )
1801	CASE( 'yes' )
1802	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
1803	CASE( 'no' )
1804	ztmp3(:,:,:) = 0.0
1805	DO jl=1,jpl
1806	ztmp3(:,:,1) = ztmp3(:,:,1) + tn_ice(:,:,jl) * a_i(:,:,jl)
1807	ENDDO
1808	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
1809	END SELECT
1810	CASE( 'mixed oce-ice' )
1811	ztmp1(:,:) = ( ztmp1(:,:) + rt0 ) * zfr_l(:,:)
1812	DO jl=1,jpl
1813	ztmp1(:,:) = ztmp1(:,:) + tn_ice(:,:,jl) * a_i(:,:,jl)
1814	ENDDO
1815	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%cldes' )
1816	END SELECT
1817	ENDIF
1818	IF( ssnd(jps_toce)%laction ) CALL cpl_snd( jps_toce, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
1819	IF( ssnd(jps_tice)%laction ) CALL cpl_snd( jps_tice, isec, ztmp3, info )
1820	IF( ssnd(jps_tmix)%laction ) CALL cpl_snd( jps_tmix, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
1821	ENDIF
1822	! ! ------------------------- !
1823	! ! Albedo !
1824	! ! ------------------------- !
1825	IF( ssnd(jps_albice)%laction ) THEN ! ice
1826	SELECT CASE( sn_snd_alb%cldes )
1827	CASE( 'ice' ) ; ztmp3(:,:,1:jpl) = alb_ice(:,:,1:jpl)
1828	CASE( 'weighted ice' ) ; ztmp3(:,:,1:jpl) = alb_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
1829	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_alb%cldes' )
1830	END SELECT
1831	CALL cpl_snd( jps_albice, isec, ztmp3, info )
1832	ENDIF
1833	IF( ssnd(jps_albmix)%laction ) THEN ! mixed ice-ocean
1834	ztmp1(:,:) = albedo_oce_mix(:,:) * zfr_l(:,:)
1835	DO jl=1,jpl
1836	ztmp1(:,:) = ztmp1(:,:) + alb_ice(:,:,jl) * a_i(:,:,jl)
1837	ENDDO
1838	CALL cpl_snd( jps_albmix, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
1839	ENDIF
1840	! ! ------------------------- !
1841	! ! Ice fraction & Thickness !
1842	! ! ------------------------- !
1843	! Send ice fraction field to atmosphere
1844	IF( ssnd(jps_fice)%laction ) THEN
1845	SELECT CASE( sn_snd_thick%clcat )
1846	CASE( 'yes' ) ; ztmp3(:,:,1:jpl) = a_i(:,:,1:jpl)
1847	CASE( 'no' ) ; ztmp3(:,:,1 ) = fr_i(:,: )
1848	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
1849	END SELECT
1850	IF( ssnd(jps_fice)%laction ) CALL cpl_snd( jps_fice, isec, ztmp3, info )
1851	ENDIF
1852
1853	! Send ice fraction field to OPA (sent by SAS in SAS-OPA coupling)
1854	IF( ssnd(jps_fice2)%laction ) THEN
1855	ztmp3(:,:,1) = fr_i(:,:)
1856	IF( ssnd(jps_fice2)%laction ) CALL cpl_snd( jps_fice2, isec, ztmp3, info )
1857	ENDIF
1858
1859	! Send ice and snow thickness field
1860	IF( ssnd(jps_hice)%laction .OR. ssnd(jps_hsnw)%laction ) THEN
1861	SELECT CASE( sn_snd_thick%cldes)
1862	CASE( 'none' ) ! nothing to do
1863	CASE( 'weighted ice and snow' )
1864	SELECT CASE( sn_snd_thick%clcat )
1865	CASE( 'yes' )
1866	ztmp3(:,:,1:jpl) = ht_i(:,:,1:jpl) * a_i(:,:,1:jpl)
1867	ztmp4(:,:,1:jpl) = ht_s(:,:,1:jpl) * a_i(:,:,1:jpl)
1868	CASE( 'no' )
1869	ztmp3(:,:,:) = 0.0 ; ztmp4(:,:,:) = 0.0
1870	DO jl=1,jpl
1871	ztmp3(:,:,1) = ztmp3(:,:,1) + ht_i(:,:,jl) * a_i(:,:,jl)
1872	ztmp4(:,:,1) = ztmp4(:,:,1) + ht_s(:,:,jl) * a_i(:,:,jl)
1873	ENDDO
1874	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
1875	END SELECT
1876	CASE( 'ice and snow' )
1877	SELECT CASE( sn_snd_thick%clcat )
1878	CASE( 'yes' )
1879	ztmp3(:,:,1:jpl) = ht_i(:,:,1:jpl)
1880	ztmp4(:,:,1:jpl) = ht_s(:,:,1:jpl)
1881	CASE( 'no' )
1882	WHERE( SUM( a_i, dim=3 ) /= 0. )
1883	ztmp3(:,:,1) = SUM( ht_i * a_i, dim=3 ) / SUM( a_i, dim=3 )
1884	ztmp4(:,:,1) = SUM( ht_s * a_i, dim=3 ) / SUM( a_i, dim=3 )
1885	ELSEWHERE
1886	ztmp3(:,:,1) = 0.
1887	ztmp4(:,:,1) = 0.
1888	END WHERE
1889	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
1890	END SELECT
1891	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%cldes' )
1892	END SELECT
1893	IF( ssnd(jps_hice)%laction ) CALL cpl_snd( jps_hice, isec, ztmp3, info )
1894	IF( ssnd(jps_hsnw)%laction ) CALL cpl_snd( jps_hsnw, isec, ztmp4, info )
1895	ENDIF
1896	!
1897	#if defined key_cpl_carbon_cycle
1898	! ! ------------------------- !
1899	! ! CO2 flux from PISCES !
1900	! ! ------------------------- !
1901	IF( ssnd(jps_co2)%laction ) CALL cpl_snd( jps_co2, isec, RESHAPE ( oce_co2, (/jpi,jpj,1/) ) , info )
1902	!
1903	#endif
1904	! ! ------------------------- !
1905	IF( ssnd(jps_ocx1)%laction ) THEN ! Surface current !
1906	! ! ------------------------- !
1907	!
1908	! j+1 j -----V---F
1909	! surface velocity always sent from T point ! \|
1910	! j \| T U
1911	! \| \|
1912	! j j-1 -I-------\|
1913	! (for I) \| \|
1914	! i-1 i i
1915	! i i+1 (for I)
1916	IF( nn_components == jp_iam_opa ) THEN
1917	zotx1(:,:) = un(:,:,1)
1918	zoty1(:,:) = vn(:,:,1)
1919	ELSE
1920	SELECT CASE( TRIM( sn_snd_crt%cldes ) )
1921	CASE( 'oce only' ) ! C-grid ==> T
1922	DO jj = 2, jpjm1
1923	DO ji = fs_2, fs_jpim1 ! vector opt.
1924	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) )
1925	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) )
1926	END DO
1927	END DO
1928	CASE( 'weighted oce and ice' )
1929	SELECT CASE ( cp_ice_msh )
1930	CASE( 'C' ) ! Ocean and Ice on C-grid ==> T
1931	DO jj = 2, jpjm1
1932	DO ji = fs_2, fs_jpim1 ! vector opt.
1933	zotx1(ji,jj) = 0.5 * ( un (ji,jj,1) + un (ji-1,jj ,1) ) * zfr_l(ji,jj)
1934	zoty1(ji,jj) = 0.5 * ( vn (ji,jj,1) + vn (ji ,jj-1,1) ) * zfr_l(ji,jj)
1935	zitx1(ji,jj) = 0.5 * ( u_ice(ji,jj ) + u_ice(ji-1,jj ) ) * fr_i(ji,jj)
1936	zity1(ji,jj) = 0.5 * ( v_ice(ji,jj ) + v_ice(ji ,jj-1 ) ) * fr_i(ji,jj)
1937	END DO
1938	END DO
1939	CASE( 'I' ) ! Ocean on C grid, Ice on I-point (B-grid) ==> T
1940	DO jj = 2, jpjm1
1941	DO ji = 2, jpim1 ! NO vector opt.
1942	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) ) * zfr_l(ji,jj)
1943	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) ) * zfr_l(ji,jj)
1944	zitx1(ji,jj) = 0.25 * ( u_ice(ji+1,jj+1) + u_ice(ji,jj+1) &
1945	& + u_ice(ji+1,jj ) + u_ice(ji,jj ) ) * fr_i(ji,jj)
1946	zity1(ji,jj) = 0.25 * ( v_ice(ji+1,jj+1) + v_ice(ji,jj+1) &
1947	& + v_ice(ji+1,jj ) + v_ice(ji,jj ) ) * fr_i(ji,jj)
1948	END DO
1949	END DO
1950	CASE( 'F' ) ! Ocean on C grid, Ice on F-point (B-grid) ==> T
1951	DO jj = 2, jpjm1
1952	DO ji = 2, jpim1 ! NO vector opt.
1953	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) ) * zfr_l(ji,jj)
1954	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) ) * zfr_l(ji,jj)
1955	zitx1(ji,jj) = 0.25 * ( u_ice(ji-1,jj-1) + u_ice(ji,jj-1) &
1956	& + u_ice(ji-1,jj ) + u_ice(ji,jj ) ) * fr_i(ji,jj)
1957	zity1(ji,jj) = 0.25 * ( v_ice(ji-1,jj-1) + v_ice(ji,jj-1) &
1958	& + v_ice(ji-1,jj ) + v_ice(ji,jj ) ) * fr_i(ji,jj)
1959	END DO
1960	END DO
1961	END SELECT
1962	CALL lbc_lnk( zitx1, 'T', -1. ) ; CALL lbc_lnk( zity1, 'T', -1. )
1963	CASE( 'mixed oce-ice' )
1964	SELECT CASE ( cp_ice_msh )
1965	CASE( 'C' ) ! Ocean and Ice on C-grid ==> T
1966	DO jj = 2, jpjm1
1967	DO ji = fs_2, fs_jpim1 ! vector opt.
1968	zotx1(ji,jj) = 0.5 * ( un (ji,jj,1) + un (ji-1,jj ,1) ) * zfr_l(ji,jj) &
1969	& + 0.5 * ( u_ice(ji,jj ) + u_ice(ji-1,jj ) ) * fr_i(ji,jj)
1970	zoty1(ji,jj) = 0.5 * ( vn (ji,jj,1) + vn (ji ,jj-1,1) ) * zfr_l(ji,jj) &
1971	& + 0.5 * ( v_ice(ji,jj ) + v_ice(ji ,jj-1 ) ) * fr_i(ji,jj)
1972	END DO
1973	END DO
1974	CASE( 'I' ) ! Ocean on C grid, Ice on I-point (B-grid) ==> T
1975	DO jj = 2, jpjm1
1976	DO ji = 2, jpim1 ! NO vector opt.
1977	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) ) * zfr_l(ji,jj) &
1978	& + 0.25 * ( u_ice(ji+1,jj+1) + u_ice(ji,jj+1) &
1979	& + u_ice(ji+1,jj ) + u_ice(ji,jj ) ) * fr_i(ji,jj)
1980	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) ) * zfr_l(ji,jj) &
1981	& + 0.25 * ( v_ice(ji+1,jj+1) + v_ice(ji,jj+1) &
1982	& + v_ice(ji+1,jj ) + v_ice(ji,jj ) ) * fr_i(ji,jj)
1983	END DO
1984	END DO
1985	CASE( 'F' ) ! Ocean on C grid, Ice on F-point (B-grid) ==> T
1986	DO jj = 2, jpjm1
1987	DO ji = 2, jpim1 ! NO vector opt.
1988	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) ) * zfr_l(ji,jj) &
1989	& + 0.25 * ( u_ice(ji-1,jj-1) + u_ice(ji,jj-1) &
1990	& + u_ice(ji-1,jj ) + u_ice(ji,jj ) ) * fr_i(ji,jj)
1991	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) ) * zfr_l(ji,jj) &
1992	& + 0.25 * ( v_ice(ji-1,jj-1) + v_ice(ji,jj-1) &
1993	& + v_ice(ji-1,jj ) + v_ice(ji,jj ) ) * fr_i(ji,jj)
1994	END DO
1995	END DO
1996	END SELECT
1997	END SELECT
1998	CALL lbc_lnk( zotx1, ssnd(jps_ocx1)%clgrid, -1. ) ; CALL lbc_lnk( zoty1, ssnd(jps_ocy1)%clgrid, -1. )
1999	!
2000	ENDIF
2001	!
2002	!
2003	IF( TRIM( sn_snd_crt%clvor ) == 'eastward-northward' ) THEN ! Rotation of the components
2004	! ! Ocean component
2005	CALL rot_rep( zotx1, zoty1, ssnd(jps_ocx1)%clgrid, 'ij->e', ztmp1 ) ! 1st component
2006	CALL rot_rep( zotx1, zoty1, ssnd(jps_ocx1)%clgrid, 'ij->n', ztmp2 ) ! 2nd component
2007	zotx1(:,:) = ztmp1(:,:) ! overwrite the components
2008	zoty1(:,:) = ztmp2(:,:)
2009	IF( ssnd(jps_ivx1)%laction ) THEN ! Ice component
2010	CALL rot_rep( zitx1, zity1, ssnd(jps_ivx1)%clgrid, 'ij->e', ztmp1 ) ! 1st component
2011	CALL rot_rep( zitx1, zity1, ssnd(jps_ivx1)%clgrid, 'ij->n', ztmp2 ) ! 2nd component
2012	zitx1(:,:) = ztmp1(:,:) ! overwrite the components
2013	zity1(:,:) = ztmp2(:,:)
2014	ENDIF
2015	ENDIF
2016	!
2017	! spherical coordinates to cartesian -> 2 components to 3 components
2018	IF( TRIM( sn_snd_crt%clvref ) == 'cartesian' ) THEN
2019	ztmp1(:,:) = zotx1(:,:) ! ocean currents
2020	ztmp2(:,:) = zoty1(:,:)
2021	CALL oce2geo ( ztmp1, ztmp2, 'T', zotx1, zoty1, zotz1 )
2022	!
2023	IF( ssnd(jps_ivx1)%laction ) THEN ! ice velocities
2024	ztmp1(:,:) = zitx1(:,:)
2025	ztmp1(:,:) = zity1(:,:)
2026	CALL oce2geo ( ztmp1, ztmp2, 'T', zitx1, zity1, zitz1 )
2027	ENDIF
2028	ENDIF
2029	!
2030	IF( ssnd(jps_ocx1)%laction ) CALL cpl_snd( jps_ocx1, isec, RESHAPE ( zotx1, (/jpi,jpj,1/) ), info ) ! ocean x current 1st grid
2031	IF( ssnd(jps_ocy1)%laction ) CALL cpl_snd( jps_ocy1, isec, RESHAPE ( zoty1, (/jpi,jpj,1/) ), info ) ! ocean y current 1st grid
2032	IF( ssnd(jps_ocz1)%laction ) CALL cpl_snd( jps_ocz1, isec, RESHAPE ( zotz1, (/jpi,jpj,1/) ), info ) ! ocean z current 1st grid
2033	!
2034	IF( ssnd(jps_ivx1)%laction ) CALL cpl_snd( jps_ivx1, isec, RESHAPE ( zitx1, (/jpi,jpj,1/) ), info ) ! ice x current 1st grid
2035	IF( ssnd(jps_ivy1)%laction ) CALL cpl_snd( jps_ivy1, isec, RESHAPE ( zity1, (/jpi,jpj,1/) ), info ) ! ice y current 1st grid
2036	IF( ssnd(jps_ivz1)%laction ) CALL cpl_snd( jps_ivz1, isec, RESHAPE ( zitz1, (/jpi,jpj,1/) ), info ) ! ice z current 1st grid
2037	!
2038	!currents to wave model
2039	IF( ssnd(jps_ocxw)%laction ) CALL cpl_prism_snd( jps_ocxw, isec, RESHAPE ( zotx1, (/jpi,jpj,1/) ), info ) ! ocean x current 1st grid
2040	IF( ssnd(jps_ocyw)%laction ) CALL cpl_prism_snd( jps_ocyw, isec, RESHAPE ( zoty1, (/jpi,jpj,1/) ), info ) ! ocean y current 1st grid
2041	!
2042	ENDIF
2043	!
2044	IF( ssnd(jps_ficet)%laction ) THEN
2045	CALL cpl_prism_snd( jps_ficet, isec, RESHAPE ( fr_i, (/jpi,jpj,1/) ), info )
2046	END IF
2047	!
2048	! Fields sent by OPA to SAS when doing OPA<->SAS coupling
2049	! ! SSH
2050	IF( ssnd(jps_ssh )%laction ) THEN
2051	! ! removed inverse barometer ssh when Patm
2052	! forcing is used (for sea-ice dynamics)
2053	IF( ln_apr_dyn ) THEN ; ztmp1(:,:) = sshb(:,:) - 0.5 * ( ssh_ib(:,:) + ssh_ibb(:,:) )
2054	ELSE ; ztmp1(:,:) = sshn(:,:)
2055	ENDIF
2056	CALL cpl_snd( jps_ssh , isec, RESHAPE ( ztmp1 , (/jpi,jpj,1/) ), info )
2057
2058	ENDIF
2059	! ! SSS
2060	IF( ssnd(jps_soce )%laction ) THEN
2061	CALL cpl_snd( jps_soce , isec, RESHAPE ( tsn(:,:,1,jp_sal), (/jpi,jpj,1/) ), info )
2062	ENDIF
2063	! ! first T level thickness
2064	IF( ssnd(jps_e3t1st )%laction ) THEN
2065	CALL cpl_snd( jps_e3t1st, isec, RESHAPE ( fse3t_n(:,:,1) , (/jpi,jpj,1/) ), info )
2066	ENDIF
2067	! ! Qsr fraction
2068	IF( ssnd(jps_fraqsr)%laction ) THEN
2069	CALL cpl_snd( jps_fraqsr, isec, RESHAPE ( fraqsr_1lev(:,:) , (/jpi,jpj,1/) ), info )
2070	ENDIF
2071	!
2072	! Fields sent by SAS to OPA when OASIS coupling
2073	! ! Solar heat flux
2074	IF( ssnd(jps_qsroce)%laction ) CALL cpl_snd( jps_qsroce, isec, RESHAPE ( qsr , (/jpi,jpj,1/) ), info )
2075	IF( ssnd(jps_qnsoce)%laction ) CALL cpl_snd( jps_qnsoce, isec, RESHAPE ( qns , (/jpi,jpj,1/) ), info )
2076	IF( ssnd(jps_oemp )%laction ) CALL cpl_snd( jps_oemp , isec, RESHAPE ( emp , (/jpi,jpj,1/) ), info )
2077	IF( ssnd(jps_sflx )%laction ) CALL cpl_snd( jps_sflx , isec, RESHAPE ( sfx , (/jpi,jpj,1/) ), info )
2078	IF( ssnd(jps_otx1 )%laction ) CALL cpl_snd( jps_otx1 , isec, RESHAPE ( utau, (/jpi,jpj,1/) ), info )
2079	IF( ssnd(jps_oty1 )%laction ) CALL cpl_snd( jps_oty1 , isec, RESHAPE ( vtau, (/jpi,jpj,1/) ), info )
2080	IF( ssnd(jps_rnf )%laction ) CALL cpl_snd( jps_rnf , isec, RESHAPE ( rnf , (/jpi,jpj,1/) ), info )
2081	IF( ssnd(jps_taum )%laction ) CALL cpl_snd( jps_taum , isec, RESHAPE ( taum, (/jpi,jpj,1/) ), info )
2082
2083	CALL wrk_dealloc( jpi,jpj, zfr_l, ztmp1, ztmp2, zotx1, zoty1, zotz1, zitx1, zity1, zitz1 )
2084	CALL wrk_dealloc( jpi,jpj,jpl, ztmp3, ztmp4 )
2085	!
2086	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_snd')
2087	!
2088	END SUBROUTINE sbc_cpl_snd
2089
2090	!!======================================================================
2091	END MODULE sbccpl

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