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sbccpl.F90 in NEMO/branches/UKMO/NEMO_4.0.1_penetrating_solar/src/OCE/SBC – NEMO

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source: NEMO/branches/UKMO/NEMO_4.0.1_penetrating_solar/src/OCE/SBC/sbccpl.F90 @ 13347

Last change on this file since 13347 was 13347, checked in by dancopsey, 4 years ago
First lot of code added
File size: 153.0 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	!!----------------------------------------------------------------------
13	!! namsbc_cpl : coupled formulation namlist
14	!! sbc_cpl_init : initialisation of the coupled exchanges
15	!! sbc_cpl_rcv : receive fields from the atmosphere over the ocean (ocean only)
16	!! receive stress from the atmosphere over the ocean (ocean-ice case)
17	!! sbc_cpl_ice_tau : receive stress from the atmosphere over ice
18	!! sbc_cpl_ice_flx : receive fluxes from the atmosphere over ice
19	!! sbc_cpl_snd : send fields to the atmosphere
20	!!----------------------------------------------------------------------
21	USE dom_oce ! ocean space and time domain
22	USE sbc_oce ! Surface boundary condition: ocean fields
23	USE trc_oce ! share SMS/Ocean variables
24	USE sbc_ice ! Surface boundary condition: ice fields
25	USE sbcapr ! Stochastic param. : ???
26	USE sbcdcy ! surface boundary condition: diurnal cycle
27	USE sbcwave ! surface boundary condition: waves
28	USE phycst ! physical constants
29	#if defined key_si3
30	USE ice ! ice variables
31	#endif
32	USE cpl_oasis3 ! OASIS3 coupling
33	USE geo2ocean !
34	USE oce , ONLY : tsn, un, vn, sshn, ub, vb, sshb, fraqsr_1lev
35	USE ocealb !
36	USE eosbn2 !
37	USE sbcrnf , ONLY : l_rnfcpl
38	USE sbcisf , ONLY : l_isfcpl
39	#if defined key_cice
40	USE ice_domain_size, only: ncat
41	#endif
42	#if defined key_si3
43	USE icethd_dh ! for CALL ice_thd_snwblow
44	#endif
45	!
46	USE in_out_manager ! I/O manager
47	USE iom ! NetCDF library
48	USE lib_mpp ! distribued memory computing library
49	USE lbclnk ! ocean lateral boundary conditions (or mpp link)
50
51	IMPLICIT NONE
52	PRIVATE
53
54	PUBLIC sbc_cpl_init ! routine called by sbcmod.F90
55	PUBLIC sbc_cpl_rcv ! routine called by icestp.F90
56	PUBLIC sbc_cpl_snd ! routine called by step.F90
57	PUBLIC sbc_cpl_ice_tau ! routine called by icestp.F90
58	PUBLIC sbc_cpl_ice_flx ! routine called by icestp.F90
59	PUBLIC sbc_cpl_alloc ! routine called in sbcice_cice.F90
60
61	INTEGER, PARAMETER :: jpr_otx1 = 1 ! 3 atmosphere-ocean stress components on grid 1
62	INTEGER, PARAMETER :: jpr_oty1 = 2 !
63	INTEGER, PARAMETER :: jpr_otz1 = 3 !
64	INTEGER, PARAMETER :: jpr_otx2 = 4 ! 3 atmosphere-ocean stress components on grid 2
65	INTEGER, PARAMETER :: jpr_oty2 = 5 !
66	INTEGER, PARAMETER :: jpr_otz2 = 6 !
67	INTEGER, PARAMETER :: jpr_itx1 = 7 ! 3 atmosphere-ice stress components on grid 1
68	INTEGER, PARAMETER :: jpr_ity1 = 8 !
69	INTEGER, PARAMETER :: jpr_itz1 = 9 !
70	INTEGER, PARAMETER :: jpr_itx2 = 10 ! 3 atmosphere-ice stress components on grid 2
71	INTEGER, PARAMETER :: jpr_ity2 = 11 !
72	INTEGER, PARAMETER :: jpr_itz2 = 12 !
73	INTEGER, PARAMETER :: jpr_qsroce = 13 ! Qsr above the ocean
74	INTEGER, PARAMETER :: jpr_qsrice = 14 ! Qsr above the ice
75	INTEGER, PARAMETER :: jpr_qsrmix = 15
76	INTEGER, PARAMETER :: jpr_qnsoce = 16 ! Qns above the ocean
77	INTEGER, PARAMETER :: jpr_qnsice = 17 ! Qns above the ice
78	INTEGER, PARAMETER :: jpr_qnsmix = 18
79	INTEGER, PARAMETER :: jpr_rain = 19 ! total liquid precipitation (rain)
80	INTEGER, PARAMETER :: jpr_snow = 20 ! solid precipitation over the ocean (snow)
81	INTEGER, PARAMETER :: jpr_tevp = 21 ! total evaporation
82	INTEGER, PARAMETER :: jpr_ievp = 22 ! solid evaporation (sublimation)
83	INTEGER, PARAMETER :: jpr_sbpr = 23 ! sublimation - liquid precipitation - solid precipitation
84	INTEGER, PARAMETER :: jpr_semp = 24 ! solid freshwater budget (sublimation - snow)
85	INTEGER, PARAMETER :: jpr_oemp = 25 ! ocean freshwater budget (evap - precip)
86	INTEGER, PARAMETER :: jpr_w10m = 26 ! 10m wind
87	INTEGER, PARAMETER :: jpr_dqnsdt = 27 ! d(Q non solar)/d(temperature)
88	INTEGER, PARAMETER :: jpr_rnf = 28 ! runoffs
89	INTEGER, PARAMETER :: jpr_cal = 29 ! calving
90	INTEGER, PARAMETER :: jpr_taum = 30 ! wind stress module
91	INTEGER, PARAMETER :: jpr_co2 = 31
92	INTEGER, PARAMETER :: jpr_topm = 32 ! topmeltn
93	INTEGER, PARAMETER :: jpr_botm = 33 ! botmeltn
94	INTEGER, PARAMETER :: jpr_sflx = 34 ! salt flux
95	INTEGER, PARAMETER :: jpr_toce = 35 ! ocean temperature
96	INTEGER, PARAMETER :: jpr_soce = 36 ! ocean salinity
97	INTEGER, PARAMETER :: jpr_ocx1 = 37 ! ocean current on grid 1
98	INTEGER, PARAMETER :: jpr_ocy1 = 38 !
99	INTEGER, PARAMETER :: jpr_ssh = 39 ! sea surface height
100	INTEGER, PARAMETER :: jpr_fice = 40 ! ice fraction
101	INTEGER, PARAMETER :: jpr_e3t1st = 41 ! first T level thickness
102	INTEGER, PARAMETER :: jpr_fraqsr = 42 ! fraction of solar net radiation absorbed in the first ocean level
103	INTEGER, PARAMETER :: jpr_mslp = 43 ! mean sea level pressure
104	INTEGER, PARAMETER :: jpr_hsig = 44 ! Hsig
105	INTEGER, PARAMETER :: jpr_phioc = 45 ! Wave=>ocean energy flux
106	INTEGER, PARAMETER :: jpr_sdrftx = 46 ! Stokes drift on grid 1
107	INTEGER, PARAMETER :: jpr_sdrfty = 47 ! Stokes drift on grid 2
108	INTEGER, PARAMETER :: jpr_wper = 48 ! Mean wave period
109	INTEGER, PARAMETER :: jpr_wnum = 49 ! Mean wavenumber
110	INTEGER, PARAMETER :: jpr_tauwoc = 50 ! Stress fraction adsorbed by waves
111	INTEGER, PARAMETER :: jpr_wdrag = 51 ! Neutral surface drag coefficient
112	INTEGER, PARAMETER :: jpr_isf = 52
113	INTEGER, PARAMETER :: jpr_icb = 53
114	INTEGER, PARAMETER :: jpr_wfreq = 54 ! Wave peak frequency
115	INTEGER, PARAMETER :: jpr_tauwx = 55 ! x component of the ocean stress from waves
116	INTEGER, PARAMETER :: jpr_tauwy = 56 ! y component of the ocean stress from waves
117	INTEGER, PARAMETER :: jpr_ts_ice = 57 ! Sea ice surface temp
118	INTEGER, PARAMETER :: jpr_qtr = 58 ! Transmitted solar
119
120	INTEGER, PARAMETER :: jprcv = 58 ! total number of fields received
121
122	INTEGER, PARAMETER :: jps_fice = 1 ! ice fraction sent to the atmosphere
123	INTEGER, PARAMETER :: jps_toce = 2 ! ocean temperature
124	INTEGER, PARAMETER :: jps_tice = 3 ! ice temperature
125	INTEGER, PARAMETER :: jps_tmix = 4 ! mixed temperature (ocean+ice)
126	INTEGER, PARAMETER :: jps_albice = 5 ! ice albedo
127	INTEGER, PARAMETER :: jps_albmix = 6 ! mixed albedo
128	INTEGER, PARAMETER :: jps_hice = 7 ! ice thickness
129	INTEGER, PARAMETER :: jps_hsnw = 8 ! snow thickness
130	INTEGER, PARAMETER :: jps_ocx1 = 9 ! ocean current on grid 1
131	INTEGER, PARAMETER :: jps_ocy1 = 10 !
132	INTEGER, PARAMETER :: jps_ocz1 = 11 !
133	INTEGER, PARAMETER :: jps_ivx1 = 12 ! ice current on grid 1
134	INTEGER, PARAMETER :: jps_ivy1 = 13 !
135	INTEGER, PARAMETER :: jps_ivz1 = 14 !
136	INTEGER, PARAMETER :: jps_co2 = 15
137	INTEGER, PARAMETER :: jps_soce = 16 ! ocean salinity
138	INTEGER, PARAMETER :: jps_ssh = 17 ! sea surface height
139	INTEGER, PARAMETER :: jps_qsroce = 18 ! Qsr above the ocean
140	INTEGER, PARAMETER :: jps_qnsoce = 19 ! Qns above the ocean
141	INTEGER, PARAMETER :: jps_oemp = 20 ! ocean freshwater budget (evap - precip)
142	INTEGER, PARAMETER :: jps_sflx = 21 ! salt flux
143	INTEGER, PARAMETER :: jps_otx1 = 22 ! 2 atmosphere-ocean stress components on grid 1
144	INTEGER, PARAMETER :: jps_oty1 = 23 !
145	INTEGER, PARAMETER :: jps_rnf = 24 ! runoffs
146	INTEGER, PARAMETER :: jps_taum = 25 ! wind stress module
147	INTEGER, PARAMETER :: jps_fice2 = 26 ! ice fraction sent to OPA (by SAS when doing SAS-OPA coupling)
148	INTEGER, PARAMETER :: jps_e3t1st = 27 ! first level depth (vvl)
149	INTEGER, PARAMETER :: jps_fraqsr = 28 ! fraction of solar net radiation absorbed in the first ocean level
150	INTEGER, PARAMETER :: jps_ficet = 29 ! total ice fraction
151	INTEGER, PARAMETER :: jps_ocxw = 30 ! currents on grid 1
152	INTEGER, PARAMETER :: jps_ocyw = 31 ! currents on grid 2
153	INTEGER, PARAMETER :: jps_wlev = 32 ! water level
154	INTEGER, PARAMETER :: jps_fice1 = 33 ! first-order ice concentration (for semi-implicit coupling of atmos-ice fluxes)
155	INTEGER, PARAMETER :: jps_a_p = 34 ! meltpond area
156	INTEGER, PARAMETER :: jps_ht_p = 35 ! meltpond thickness
157	INTEGER, PARAMETER :: jps_kice = 36 ! sea ice effective conductivity
158	INTEGER, PARAMETER :: jps_sstfrz = 37 ! sea surface freezing temperature
159	INTEGER, PARAMETER :: jps_ttilyr = 38 ! sea ice top layer temp
160
161	INTEGER, PARAMETER :: jpsnd = 38 ! total number of fields sent
162
163	! !! namelist namsbc_cpl
164	TYPE :: FLD_C !
165	CHARACTER(len = 32) :: cldes ! desciption of the coupling strategy
166	CHARACTER(len = 32) :: clcat ! multiple ice categories strategy
167	CHARACTER(len = 32) :: clvref ! reference of vector ('spherical' or 'cartesian')
168	CHARACTER(len = 32) :: clvor ! orientation of vector fields ('eastward-northward' or 'local grid')
169	CHARACTER(len = 32) :: clvgrd ! grids on which is located the vector fields
170	END TYPE FLD_C
171	! ! Send to the atmosphere
172	TYPE(FLD_C) :: sn_snd_temp , sn_snd_alb , sn_snd_thick, sn_snd_crt , sn_snd_co2, &
173	& sn_snd_thick1, sn_snd_cond, sn_snd_mpnd , sn_snd_sstfrz, sn_snd_ttilyr
174	! ! Received from the atmosphere
175	TYPE(FLD_C) :: sn_rcv_w10m, sn_rcv_taumod, sn_rcv_tau, sn_rcv_tauw, sn_rcv_dqnsdt, sn_rcv_qsr, &
176	& sn_rcv_qns , sn_rcv_emp , sn_rcv_rnf, sn_rcv_ts_ice
177	TYPE(FLD_C) :: sn_rcv_cal, sn_rcv_iceflx, sn_rcv_co2, sn_rcv_mslp, sn_rcv_icb, sn_rcv_isf, sn_rcv_qtr
178	! Send to waves
179	TYPE(FLD_C) :: sn_snd_ifrac, sn_snd_crtw, sn_snd_wlev
180	! Received from waves
181	TYPE(FLD_C) :: sn_rcv_hsig, sn_rcv_phioc, sn_rcv_sdrfx, sn_rcv_sdrfy, sn_rcv_wper, sn_rcv_wnum, sn_rcv_tauwoc, &
182	sn_rcv_wdrag, sn_rcv_wfreq
183	! ! Other namelist parameters
184	INTEGER :: nn_cplmodel ! Maximum number of models to/from which NEMO is potentialy sending/receiving data
185	LOGICAL :: ln_usecplmask ! use a coupling mask file to merge data received from several models
186	! -> file cplmask.nc with the float variable called cplmask (jpi,jpj,nn_cplmodel)
187	TYPE :: DYNARR
188	REAL(wp), POINTER, DIMENSION(:,:,:) :: z3
189	END TYPE DYNARR
190
191	TYPE( DYNARR ), SAVE, DIMENSION(jprcv) :: frcv ! all fields recieved from the atmosphere
192
193	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: alb_oce_mix ! ocean albedo sent to atmosphere (mix clear/overcast sky)
194
195	REAL(wp) :: rpref = 101000._wp ! reference atmospheric pressure[N/m2]
196	REAL(wp) :: r1_grau ! = 1.e0 / (grav * rau0)
197
198	INTEGER , ALLOCATABLE, SAVE, DIMENSION(:) :: nrcvinfo ! OASIS info argument
199
200	!! Substitution
201	# include "vectopt_loop_substitute.h90"
202	!!----------------------------------------------------------------------
203	!! NEMO/OCE 4.0 , NEMO Consortium (2018)
204	!! $Id$
205	!! Software governed by the CeCILL license (see ./LICENSE)
206	!!----------------------------------------------------------------------
207	CONTAINS
208
209	INTEGER FUNCTION sbc_cpl_alloc()
210	!!----------------------------------------------------------------------
211	!! * FUNCTION sbc_cpl_alloc *
212	!!----------------------------------------------------------------------
213	INTEGER :: ierr(4)
214	!!----------------------------------------------------------------------
215	ierr(:) = 0
216	!
217	ALLOCATE( alb_oce_mix(jpi,jpj), nrcvinfo(jprcv), STAT=ierr(1) )
218
219	#if ! defined key_si3 && ! defined key_cice
220	ALLOCATE( a_i(jpi,jpj,1) , STAT=ierr(2) ) ! used in sbcice_if.F90 (done here as there is no sbc_ice_if_init)
221	#endif
222	ALLOCATE( xcplmask(jpi,jpj,0:nn_cplmodel) , STAT=ierr(3) )
223	!
224	IF( .NOT. ln_apr_dyn ) ALLOCATE( ssh_ib(jpi,jpj), ssh_ibb(jpi,jpj), apr(jpi, jpj), STAT=ierr(4) )
225
226	sbc_cpl_alloc = MAXVAL( ierr )
227	CALL mpp_sum ( 'sbccpl', sbc_cpl_alloc )
228	IF( sbc_cpl_alloc > 0 ) CALL ctl_warn('sbc_cpl_alloc: allocation of arrays failed')
229	!
230	END FUNCTION sbc_cpl_alloc
231
232
233	SUBROUTINE sbc_cpl_init( k_ice )
234	!!----------------------------------------------------------------------
235	!! * ROUTINE sbc_cpl_init *
236	!!
237	!! ** Purpose : Initialisation of send and received information from
238	!! the atmospheric component
239	!!
240	!! ** Method : * Read namsbc_cpl namelist
241	!! * define the receive interface
242	!! * define the send interface
243	!! * initialise the OASIS coupler
244	!!----------------------------------------------------------------------
245	INTEGER, INTENT(in) :: k_ice ! ice management in the sbc (=0/1/2/3)
246	!
247	INTEGER :: jn ! dummy loop index
248	INTEGER :: ios, inum ! Local integer
249	REAL(wp), DIMENSION(jpi,jpj) :: zacs, zaos
250	!!
251	NAMELIST/namsbc_cpl/ sn_snd_temp , sn_snd_alb , sn_snd_thick, sn_snd_crt , sn_snd_co2 , &
252	& sn_snd_ttilyr, sn_snd_cond , sn_snd_mpnd , sn_snd_sstfrz, sn_snd_thick1, &
253	& sn_snd_ifrac , sn_snd_crtw , sn_snd_wlev , sn_rcv_hsig , sn_rcv_phioc, &
254	& sn_rcv_w10m , sn_rcv_taumod, sn_rcv_tau , sn_rcv_dqnsdt, sn_rcv_qsr , &
255	& sn_rcv_sdrfx , sn_rcv_sdrfy , sn_rcv_wper , sn_rcv_wnum , sn_rcv_tauwoc, &
256	& sn_rcv_wdrag , sn_rcv_qns , sn_rcv_emp , sn_rcv_rnf , sn_rcv_cal , &
257	& sn_rcv_iceflx, sn_rcv_co2 , nn_cplmodel , ln_usecplmask, sn_rcv_mslp , &
258	& sn_rcv_icb , sn_rcv_isf , sn_rcv_wfreq , sn_rcv_tauw, nn_cats_cpl , &
259	& sn_rcv_ts_ice, sn_rcv_qtr
260
261	!!---------------------------------------------------------------------
262	!
263	! ================================ !
264	! Namelist informations !
265	! ================================ !
266	!
267	REWIND( numnam_ref ) ! Namelist namsbc_cpl in reference namelist : Variables for OASIS coupling
268	READ ( numnam_ref, namsbc_cpl, IOSTAT = ios, ERR = 901)
269	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_cpl in reference namelist' )
270	!
271	REWIND( numnam_cfg ) ! Namelist namsbc_cpl in configuration namelist : Variables for OASIS coupling
272	READ ( numnam_cfg, namsbc_cpl, IOSTAT = ios, ERR = 902 )
273	902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namsbc_cpl in configuration namelist' )
274	IF(lwm) WRITE ( numond, namsbc_cpl )
275	!
276	IF(lwp) THEN ! control print
277	WRITE(numout,*)
278	WRITE(numout,*)'sbc_cpl_init : namsbc_cpl namelist '
279	WRITE(numout,*)'~~~~~~~~~~~~'
280	ENDIF
281	IF( lwp .AND. ln_cpl ) THEN ! control print
282	WRITE(numout,*)' received fields (mutiple ice categogies)'
283	WRITE(numout,*)' 10m wind module = ', TRIM(sn_rcv_w10m%cldes ), ' (', TRIM(sn_rcv_w10m%clcat ), ')'
284	WRITE(numout,*)' stress module = ', TRIM(sn_rcv_taumod%cldes), ' (', TRIM(sn_rcv_taumod%clcat), ')'
285	WRITE(numout,*)' surface stress = ', TRIM(sn_rcv_tau%cldes ), ' (', TRIM(sn_rcv_tau%clcat ), ')'
286	WRITE(numout,*)' - referential = ', sn_rcv_tau%clvref
287	WRITE(numout,*)' - orientation = ', sn_rcv_tau%clvor
288	WRITE(numout,*)' - mesh = ', sn_rcv_tau%clvgrd
289	WRITE(numout,*)' non-solar heat flux sensitivity = ', TRIM(sn_rcv_dqnsdt%cldes), ' (', TRIM(sn_rcv_dqnsdt%clcat), ')'
290	WRITE(numout,*)' solar heat flux = ', TRIM(sn_rcv_qsr%cldes ), ' (', TRIM(sn_rcv_qsr%clcat ), ')'
291	WRITE(numout,*)' non-solar heat flux = ', TRIM(sn_rcv_qns%cldes ), ' (', TRIM(sn_rcv_qns%clcat ), ')'
292	WRITE(numout,*)' freshwater budget = ', TRIM(sn_rcv_emp%cldes ), ' (', TRIM(sn_rcv_emp%clcat ), ')'
293	WRITE(numout,*)' runoffs = ', TRIM(sn_rcv_rnf%cldes ), ' (', TRIM(sn_rcv_rnf%clcat ), ')'
294	WRITE(numout,*)' calving = ', TRIM(sn_rcv_cal%cldes ), ' (', TRIM(sn_rcv_cal%clcat ), ')'
295	WRITE(numout,*)' iceberg = ', TRIM(sn_rcv_icb%cldes ), ' (', TRIM(sn_rcv_icb%clcat ), ')'
296	WRITE(numout,*)' ice shelf = ', TRIM(sn_rcv_isf%cldes ), ' (', TRIM(sn_rcv_isf%clcat ), ')'
297	WRITE(numout,*)' sea ice heat fluxes = ', TRIM(sn_rcv_iceflx%cldes), ' (', TRIM(sn_rcv_iceflx%clcat), ')'
298	WRITE(numout,*)' transmitted solar = ', TRIM(sn_rcv_qtr%cldes ), ' (', TRIM(sn_rcv_qtr%clcat ), ')'
299	WRITE(numout,*)' atm co2 = ', TRIM(sn_rcv_co2%cldes ), ' (', TRIM(sn_rcv_co2%clcat ), ')'
300	WRITE(numout,*)' significant wave heigth = ', TRIM(sn_rcv_hsig%cldes ), ' (', TRIM(sn_rcv_hsig%clcat ), ')'
301	WRITE(numout,*)' wave to oce energy flux = ', TRIM(sn_rcv_phioc%cldes ), ' (', TRIM(sn_rcv_phioc%clcat ), ')'
302	WRITE(numout,*)' Surface Stokes drift grid u = ', TRIM(sn_rcv_sdrfx%cldes ), ' (', TRIM(sn_rcv_sdrfx%clcat ), ')'
303	WRITE(numout,*)' Surface Stokes drift grid v = ', TRIM(sn_rcv_sdrfy%cldes ), ' (', TRIM(sn_rcv_sdrfy%clcat ), ')'
304	WRITE(numout,*)' Mean wave period = ', TRIM(sn_rcv_wper%cldes ), ' (', TRIM(sn_rcv_wper%clcat ), ')'
305	WRITE(numout,*)' Mean wave number = ', TRIM(sn_rcv_wnum%cldes ), ' (', TRIM(sn_rcv_wnum%clcat ), ')'
306	WRITE(numout,*)' Wave peak frequency = ', TRIM(sn_rcv_wfreq%cldes ), ' (', TRIM(sn_rcv_wfreq%clcat ), ')'
307	WRITE(numout,*)' Stress frac adsorbed by waves = ', TRIM(sn_rcv_tauwoc%cldes), ' (', TRIM(sn_rcv_tauwoc%clcat ), ')'
308	WRITE(numout,*)' Stress components by waves = ', TRIM(sn_rcv_tauw%cldes ), ' (', TRIM(sn_rcv_tauw%clcat ), ')'
309	WRITE(numout,*)' Neutral surf drag coefficient = ', TRIM(sn_rcv_wdrag%cldes ), ' (', TRIM(sn_rcv_wdrag%clcat ), ')'
310	WRITE(numout,*)' Sea ice surface skin temperature= ', TRIM(sn_rcv_ts_ice%cldes), ' (', TRIM(sn_rcv_ts_ice%clcat), ')'
311	WRITE(numout,*)' sent fields (multiple ice categories)'
312	WRITE(numout,*)' surface temperature = ', TRIM(sn_snd_temp%cldes ), ' (', TRIM(sn_snd_temp%clcat ), ')'
313	WRITE(numout,*)' top ice layer temperature = ', TRIM(sn_snd_ttilyr%cldes), ' (', TRIM(sn_snd_ttilyr%clcat), ')'
314	WRITE(numout,*)' albedo = ', TRIM(sn_snd_alb%cldes ), ' (', TRIM(sn_snd_alb%clcat ), ')'
315	WRITE(numout,*)' ice/snow thickness = ', TRIM(sn_snd_thick%cldes ), ' (', TRIM(sn_snd_thick%clcat ), ')'
316	WRITE(numout,*)' total ice fraction = ', TRIM(sn_snd_ifrac%cldes ), ' (', TRIM(sn_snd_ifrac%clcat ), ')'
317	WRITE(numout,*)' surface current = ', TRIM(sn_snd_crt%cldes ), ' (', TRIM(sn_snd_crt%clcat ), ')'
318	WRITE(numout,*)' - referential = ', sn_snd_crt%clvref
319	WRITE(numout,*)' - orientation = ', sn_snd_crt%clvor
320	WRITE(numout,*)' - mesh = ', sn_snd_crt%clvgrd
321	WRITE(numout,*)' oce co2 flux = ', TRIM(sn_snd_co2%cldes ), ' (', TRIM(sn_snd_co2%clcat ), ')'
322	WRITE(numout,*)' ice effective conductivity = ', TRIM(sn_snd_cond%cldes ), ' (', TRIM(sn_snd_cond%clcat ), ')'
323	WRITE(numout,*)' meltponds fraction and depth = ', TRIM(sn_snd_mpnd%cldes ), ' (', TRIM(sn_snd_mpnd%clcat ), ')'
324	WRITE(numout,*)' sea surface freezing temp = ', TRIM(sn_snd_sstfrz%cldes), ' (', TRIM(sn_snd_sstfrz%clcat), ')'
325	WRITE(numout,*)' water level = ', TRIM(sn_snd_wlev%cldes ), ' (', TRIM(sn_snd_wlev%clcat ), ')'
326	WRITE(numout,*)' mean sea level pressure = ', TRIM(sn_rcv_mslp%cldes ), ' (', TRIM(sn_rcv_mslp%clcat ), ')'
327	WRITE(numout,*)' surface current to waves = ', TRIM(sn_snd_crtw%cldes ), ' (', TRIM(sn_snd_crtw%clcat ), ')'
328	WRITE(numout,*)' - referential = ', sn_snd_crtw%clvref
329	WRITE(numout,*)' - orientation = ', sn_snd_crtw%clvor
330	WRITE(numout,*)' - mesh = ', sn_snd_crtw%clvgrd
331	WRITE(numout,*)' nn_cplmodel = ', nn_cplmodel
332	WRITE(numout,*)' ln_usecplmask = ', ln_usecplmask
333	WRITE(numout,*)' nn_cats_cpl = ', nn_cats_cpl
334	ENDIF
335
336	! ! allocate sbccpl arrays
337	IF( sbc_cpl_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_cpl_alloc : unable to allocate arrays' )
338
339	! ================================ !
340	! Define the receive interface !
341	! ================================ !
342	nrcvinfo(:) = OASIS_idle ! needed by nrcvinfo(jpr_otx1) if we do not receive ocean stress
343
344	! for each field: define the OASIS name (srcv(:)%clname)
345	! define receive or not from the namelist parameters (srcv(:)%laction)
346	! define the north fold type of lbc (srcv(:)%nsgn)
347
348	! default definitions of srcv
349	srcv(:)%laction = .FALSE. ; srcv(:)%clgrid = 'T' ; srcv(:)%nsgn = 1. ; srcv(:)%nct = 1
350
351	! ! ------------------------- !
352	! ! ice and ocean wind stress !
353	! ! ------------------------- !
354	! ! Name
355	srcv(jpr_otx1)%clname = 'O_OTaux1' ! 1st ocean component on grid ONE (T or U)
356	srcv(jpr_oty1)%clname = 'O_OTauy1' ! 2nd - - - -
357	srcv(jpr_otz1)%clname = 'O_OTauz1' ! 3rd - - - -
358	srcv(jpr_otx2)%clname = 'O_OTaux2' ! 1st ocean component on grid TWO (V)
359	srcv(jpr_oty2)%clname = 'O_OTauy2' ! 2nd - - - -
360	srcv(jpr_otz2)%clname = 'O_OTauz2' ! 3rd - - - -
361	!
362	srcv(jpr_itx1)%clname = 'O_ITaux1' ! 1st ice component on grid ONE (T, F, I or U)
363	srcv(jpr_ity1)%clname = 'O_ITauy1' ! 2nd - - - -
364	srcv(jpr_itz1)%clname = 'O_ITauz1' ! 3rd - - - -
365	srcv(jpr_itx2)%clname = 'O_ITaux2' ! 1st ice component on grid TWO (V)
366	srcv(jpr_ity2)%clname = 'O_ITauy2' ! 2nd - - - -
367	srcv(jpr_itz2)%clname = 'O_ITauz2' ! 3rd - - - -
368	!
369	! Vectors: change of sign at north fold ONLY if on the local grid
370	IF( TRIM( sn_rcv_tau%cldes ) == 'oce only' .OR. TRIM(sn_rcv_tau%cldes ) == 'oce and ice') THEN ! avoid working with the atmospheric fields if they are not coupled
371	IF( TRIM( sn_rcv_tau%clvor ) == 'local grid' ) srcv(jpr_otx1:jpr_itz2)%nsgn = -1.
372
373	! ! Set grid and action
374	SELECT CASE( TRIM( sn_rcv_tau%clvgrd ) ) ! 'T', 'U,V', 'U,V,I', 'U,V,F', 'T,I', 'T,F', or 'T,U,V'
375	CASE( 'T' )
376	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
377	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
378	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
379	CASE( 'U,V' )
380	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
381	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
382	srcv(jpr_itx1:jpr_itz1)%clgrid = 'U' ! ice components given at U-point
383	srcv(jpr_itx2:jpr_itz2)%clgrid = 'V' ! and V-point
384	srcv(jpr_otx1:jpr_itz2)%laction = .TRUE. ! receive oce and ice components on both grid 1 & 2
385	CASE( 'U,V,T' )
386	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
387	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
388	srcv(jpr_itx1:jpr_itz1)%clgrid = 'T' ! ice components given at T-point
389	srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
390	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
391	CASE( 'U,V,I' )
392	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
393	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
394	srcv(jpr_itx1:jpr_itz1)%clgrid = 'I' ! ice components given at I-point
395	srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
396	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
397	CASE( 'U,V,F' )
398	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
399	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
400	srcv(jpr_itx1:jpr_itz1)%clgrid = 'F' ! ice components given at F-point
401	srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
402	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
403	CASE( 'T,I' )
404	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
405	srcv(jpr_itx1:jpr_itz1)%clgrid = 'I' ! ice components given at I-point
406	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
407	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
408	CASE( 'T,F' )
409	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
410	srcv(jpr_itx1:jpr_itz1)%clgrid = 'F' ! ice components given at F-point
411	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
412	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
413	CASE( 'T,U,V' )
414	srcv(jpr_otx1:jpr_otz1)%clgrid = 'T' ! oce components given at T-point
415	srcv(jpr_itx1:jpr_itz1)%clgrid = 'U' ! ice components given at U-point
416	srcv(jpr_itx2:jpr_itz2)%clgrid = 'V' ! and V-point
417	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1 only
418	srcv(jpr_itx1:jpr_itz2)%laction = .TRUE. ! receive ice components on grid 1 & 2
419	CASE default
420	CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_tau%clvgrd' )
421	END SELECT
422	!
423	IF( TRIM( sn_rcv_tau%clvref ) == 'spherical' ) & ! spherical: 3rd component not received
424	& srcv( (/jpr_otz1, jpr_otz2, jpr_itz1, jpr_itz2/) )%laction = .FALSE.
425	!
426	IF( TRIM( sn_rcv_tau%clvor ) == 'local grid' ) THEN ! already on local grid -> no need of the second grid
427	srcv(jpr_otx2:jpr_otz2)%laction = .FALSE.
428	srcv(jpr_itx2:jpr_itz2)%laction = .FALSE.
429	srcv(jpr_oty1)%clgrid = srcv(jpr_oty2)%clgrid ! not needed but cleaner...
430	srcv(jpr_ity1)%clgrid = srcv(jpr_ity2)%clgrid ! not needed but cleaner...
431	ENDIF
432	!
433	IF( TRIM( sn_rcv_tau%cldes ) /= 'oce and ice' ) THEN ! 'oce and ice' case ocean stress on ocean mesh used
434	srcv(jpr_itx1:jpr_itz2)%laction = .FALSE. ! ice components not received
435	srcv(jpr_itx1)%clgrid = 'U' ! ocean stress used after its transformation
436	srcv(jpr_ity1)%clgrid = 'V' ! i.e. it is always at U- & V-points for i- & j-comp. resp.
437	ENDIF
438	ENDIF
439
440	! ! ------------------------- !
441	! ! freshwater budget ! E-P
442	! ! ------------------------- !
443	! we suppose that atmosphere modele do not make the difference between precipiration (liquide or solid)
444	! over ice of free ocean within the same atmospheric cell.cd
445	srcv(jpr_rain)%clname = 'OTotRain' ! Rain = liquid precipitation
446	srcv(jpr_snow)%clname = 'OTotSnow' ! Snow = solid precipitation
447	srcv(jpr_tevp)%clname = 'OTotEvap' ! total evaporation (over oce + ice sublimation)
448	srcv(jpr_ievp)%clname = 'OIceEvap' ! evaporation over ice = sublimation
449	srcv(jpr_sbpr)%clname = 'OSubMPre' ! sublimation - liquid precipitation - solid precipitation
450	srcv(jpr_semp)%clname = 'OISubMSn' ! ice solid water budget = sublimation - solid precipitation
451	srcv(jpr_oemp)%clname = 'OOEvaMPr' ! ocean water budget = ocean Evap - ocean precip
452	SELECT CASE( TRIM( sn_rcv_emp%cldes ) )
453	CASE( 'none' ) ! nothing to do
454	CASE( 'oce only' ) ; srcv(jpr_oemp)%laction = .TRUE.
455	CASE( 'conservative' )
456	srcv( (/jpr_rain, jpr_snow, jpr_ievp, jpr_tevp/) )%laction = .TRUE.
457	IF ( k_ice <= 1 ) srcv(jpr_ievp)%laction = .FALSE.
458	CASE( 'oce and ice' ) ; srcv( (/jpr_ievp, jpr_sbpr, jpr_semp, jpr_oemp/) )%laction = .TRUE.
459	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_emp%cldes' )
460	END SELECT
461	!
462	! ! ------------------------- !
463	! ! Runoffs & Calving !
464	! ! ------------------------- !
465	srcv(jpr_rnf )%clname = 'O_Runoff'
466	IF( TRIM( sn_rcv_rnf%cldes ) == 'coupled' ) THEN
467	srcv(jpr_rnf)%laction = .TRUE.
468	l_rnfcpl = .TRUE. ! -> no need to read runoffs in sbcrnf
469	ln_rnf = nn_components /= jp_iam_sas ! -> force to go through sbcrnf if not sas
470	IF(lwp) WRITE(numout,*)
471	IF(lwp) WRITE(numout,*) ' runoffs received from oasis -> force ln_rnf = ', ln_rnf
472	ENDIF
473	!
474	srcv(jpr_cal)%clname = 'OCalving' ; IF( TRIM( sn_rcv_cal%cldes) == 'coupled' ) srcv(jpr_cal)%laction = .TRUE.
475	srcv(jpr_isf)%clname = 'OIcshelf' ; IF( TRIM( sn_rcv_isf%cldes) == 'coupled' ) srcv(jpr_isf)%laction = .TRUE.
476	srcv(jpr_icb)%clname = 'OIceberg' ; IF( TRIM( sn_rcv_icb%cldes) == 'coupled' ) srcv(jpr_icb)%laction = .TRUE.
477
478	IF( srcv(jpr_isf)%laction .AND. ln_isf ) THEN
479	l_isfcpl = .TRUE. ! -> no need to read isf in sbcisf
480	IF(lwp) WRITE(numout,*)
481	IF(lwp) WRITE(numout,*) ' iceshelf received from oasis '
482	ENDIF
483	!
484	! ! ------------------------- !
485	! ! non solar radiation ! Qns
486	! ! ------------------------- !
487	srcv(jpr_qnsoce)%clname = 'O_QnsOce'
488	srcv(jpr_qnsice)%clname = 'O_QnsIce'
489	srcv(jpr_qnsmix)%clname = 'O_QnsMix'
490	SELECT CASE( TRIM( sn_rcv_qns%cldes ) )
491	CASE( 'none' ) ! nothing to do
492	CASE( 'oce only' ) ; srcv( jpr_qnsoce )%laction = .TRUE.
493	CASE( 'conservative' ) ; srcv( (/jpr_qnsice, jpr_qnsmix/) )%laction = .TRUE.
494	CASE( 'oce and ice' ) ; srcv( (/jpr_qnsice, jpr_qnsoce/) )%laction = .TRUE.
495	CASE( 'mixed oce-ice' ) ; srcv( jpr_qnsmix )%laction = .TRUE.
496	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_qns%cldes' )
497	END SELECT
498	IF( TRIM( sn_rcv_qns%cldes ) == 'mixed oce-ice' .AND. nn_cats_cpl > 1 ) &
499	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_qns%cldes not currently allowed to be mixed oce-ice for multi-category ice' )
500	!
501	! ! ------------------------- !
502	! ! solar radiation ! Qsr
503	! ! ------------------------- !
504	srcv(jpr_qsroce)%clname = 'O_QsrOce'
505	srcv(jpr_qsrice)%clname = 'O_QsrIce'
506	srcv(jpr_qsrmix)%clname = 'O_QsrMix'
507	SELECT CASE( TRIM( sn_rcv_qsr%cldes ) )
508	CASE( 'none' ) ! nothing to do
509	CASE( 'oce only' ) ; srcv( jpr_qsroce )%laction = .TRUE.
510	CASE( 'conservative' ) ; srcv( (/jpr_qsrice, jpr_qsrmix/) )%laction = .TRUE.
511	CASE( 'oce and ice' ) ; srcv( (/jpr_qsrice, jpr_qsroce/) )%laction = .TRUE.
512	CASE( 'mixed oce-ice' ) ; srcv( jpr_qsrmix )%laction = .TRUE.
513	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_qsr%cldes' )
514	END SELECT
515	IF( TRIM( sn_rcv_qsr%cldes ) == 'mixed oce-ice' .AND. nn_cats_cpl > 1 ) &
516	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_qsr%cldes not currently allowed to be mixed oce-ice for multi-category ice' )
517	!
518	! ! ------------------------- !
519	! ! non solar sensitivity ! d(Qns)/d(T)
520	! ! ------------------------- !
521	srcv(jpr_dqnsdt)%clname = 'O_dQnsdT'
522	IF( TRIM( sn_rcv_dqnsdt%cldes ) == 'coupled' ) srcv(jpr_dqnsdt)%laction = .TRUE.
523	!
524	! non solar sensitivity mandatory for mixed oce-ice solar radiation coupling technique
525	IF( TRIM( sn_rcv_dqnsdt%cldes ) == 'none' .AND. TRIM( sn_rcv_qns%cldes ) == 'mixed oce-ice' ) &
526	& CALL ctl_stop( 'sbc_cpl_init: namsbc_cpl namelist mismatch between sn_rcv_qns%cldes and sn_rcv_dqnsdt%cldes' )
527	!
528	! ! ------------------------- !
529	! ! 10m wind module !
530	! ! ------------------------- !
531	srcv(jpr_w10m)%clname = 'O_Wind10' ; IF( TRIM(sn_rcv_w10m%cldes ) == 'coupled' ) srcv(jpr_w10m)%laction = .TRUE.
532	!
533	! ! ------------------------- !
534	! ! wind stress module !
535	! ! ------------------------- !
536	srcv(jpr_taum)%clname = 'O_TauMod' ; IF( TRIM(sn_rcv_taumod%cldes) == 'coupled' ) srcv(jpr_taum)%laction = .TRUE.
537	lhftau = srcv(jpr_taum)%laction
538	!
539	! ! ------------------------- !
540	! ! Atmospheric CO2 !
541	! ! ------------------------- !
542	srcv(jpr_co2 )%clname = 'O_AtmCO2'
543	IF( TRIM(sn_rcv_co2%cldes ) == 'coupled' ) THEN
544	srcv(jpr_co2 )%laction = .TRUE.
545	l_co2cpl = .TRUE.
546	IF(lwp) WRITE(numout,*)
547	IF(lwp) WRITE(numout,*) ' Atmospheric pco2 received from oasis '
548	IF(lwp) WRITE(numout,*)
549	ENDIF
550	!
551	! ! ------------------------- !
552	! ! Mean Sea Level Pressure !
553	! ! ------------------------- !
554	srcv(jpr_mslp)%clname = 'O_MSLP' ; IF( TRIM(sn_rcv_mslp%cldes ) == 'coupled' ) srcv(jpr_mslp)%laction = .TRUE.
555	!
556	! ! ------------------------- !
557	! ! ice topmelt and botmelt !
558	! ! ------------------------- !
559	srcv(jpr_topm )%clname = 'OTopMlt'
560	srcv(jpr_botm )%clname = 'OBotMlt'
561	IF( TRIM(sn_rcv_iceflx%cldes) == 'coupled' ) THEN
562	IF ( TRIM( sn_rcv_iceflx%clcat ) == 'yes' ) THEN
563	srcv(jpr_topm:jpr_botm)%nct = nn_cats_cpl
564	ELSE
565	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_iceflx%clcat should always be set to yes currently' )
566	ENDIF
567	srcv(jpr_topm:jpr_botm)%laction = .TRUE.
568	ENDIF
569	! ! ------------------------- !
570	! ! transmitted solar !
571	! ! ------------------------- !
572	srcv(jpr_topm )%clname = 'OQtr'
573	IF( TRIM(sn_rcv_qtr%cldes) == 'coupled' ) THEN
574	IF ( TRIM( sn_rcv_qtr%clcat ) == 'yes' ) THEN
575	srcv(jpr_qtr)%nct = nn_cats_cpl
576	ELSE
577	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_qtr%clcat should always be set to yes currently' )
578	ENDIF
579	srcv(jpr_qtr)%laction = .TRUE.
580	ENDIF
581
582	! ! ------------------------- !
583	! ! ice skin temperature !
584	! ! ------------------------- !
585	srcv(jpr_ts_ice)%clname = 'OTsfIce' ! needed by Met Office
586	IF ( TRIM( sn_rcv_ts_ice%cldes ) == 'ice' ) srcv(jpr_ts_ice)%laction = .TRUE.
587	IF ( TRIM( sn_rcv_ts_ice%clcat ) == 'yes' ) srcv(jpr_ts_ice)%nct = nn_cats_cpl
588	IF ( TRIM( sn_rcv_emp%clcat ) == 'yes' ) srcv(jpr_ievp)%nct = nn_cats_cpl
589
590	! ! ------------------------- !
591	! ! Wave breaking !
592	! ! ------------------------- !
593	srcv(jpr_hsig)%clname = 'O_Hsigwa' ! significant wave height
594	IF( TRIM(sn_rcv_hsig%cldes ) == 'coupled' ) THEN
595	srcv(jpr_hsig)%laction = .TRUE.
596	cpl_hsig = .TRUE.
597	ENDIF
598	srcv(jpr_phioc)%clname = 'O_PhiOce' ! wave to ocean energy
599	IF( TRIM(sn_rcv_phioc%cldes ) == 'coupled' ) THEN
600	srcv(jpr_phioc)%laction = .TRUE.
601	cpl_phioc = .TRUE.
602	ENDIF
603	srcv(jpr_sdrftx)%clname = 'O_Sdrfx' ! Stokes drift in the u direction
604	IF( TRIM(sn_rcv_sdrfx%cldes ) == 'coupled' ) THEN
605	srcv(jpr_sdrftx)%laction = .TRUE.
606	cpl_sdrftx = .TRUE.
607	ENDIF
608	srcv(jpr_sdrfty)%clname = 'O_Sdrfy' ! Stokes drift in the v direction
609	IF( TRIM(sn_rcv_sdrfy%cldes ) == 'coupled' ) THEN
610	srcv(jpr_sdrfty)%laction = .TRUE.
611	cpl_sdrfty = .TRUE.
612	ENDIF
613	srcv(jpr_wper)%clname = 'O_WPer' ! mean wave period
614	IF( TRIM(sn_rcv_wper%cldes ) == 'coupled' ) THEN
615	srcv(jpr_wper)%laction = .TRUE.
616	cpl_wper = .TRUE.
617	ENDIF
618	srcv(jpr_wfreq)%clname = 'O_WFreq' ! wave peak frequency
619	IF( TRIM(sn_rcv_wfreq%cldes ) == 'coupled' ) THEN
620	srcv(jpr_wfreq)%laction = .TRUE.
621	cpl_wfreq = .TRUE.
622	ENDIF
623	srcv(jpr_wnum)%clname = 'O_WNum' ! mean wave number
624	IF( TRIM(sn_rcv_wnum%cldes ) == 'coupled' ) THEN
625	srcv(jpr_wnum)%laction = .TRUE.
626	cpl_wnum = .TRUE.
627	ENDIF
628	srcv(jpr_tauwoc)%clname = 'O_TauOce' ! stress fraction adsorbed by the wave
629	IF( TRIM(sn_rcv_tauwoc%cldes ) == 'coupled' ) THEN
630	srcv(jpr_tauwoc)%laction = .TRUE.
631	cpl_tauwoc = .TRUE.
632	ENDIF
633	srcv(jpr_tauwx)%clname = 'O_Tauwx' ! ocean stress from wave in the x direction
634	srcv(jpr_tauwy)%clname = 'O_Tauwy' ! ocean stress from wave in the y direction
635	IF( TRIM(sn_rcv_tauw%cldes ) == 'coupled' ) THEN
636	srcv(jpr_tauwx)%laction = .TRUE.
637	srcv(jpr_tauwy)%laction = .TRUE.
638	cpl_tauw = .TRUE.
639	ENDIF
640	srcv(jpr_wdrag)%clname = 'O_WDrag' ! neutral surface drag coefficient
641	IF( TRIM(sn_rcv_wdrag%cldes ) == 'coupled' ) THEN
642	srcv(jpr_wdrag)%laction = .TRUE.
643	cpl_wdrag = .TRUE.
644	ENDIF
645	IF( srcv(jpr_tauwoc)%laction .AND. srcv(jpr_tauwx)%laction .AND. srcv(jpr_tauwy)%laction ) &
646	CALL ctl_stop( 'More than one method for modifying the ocean stress has been selected ', &
647	'(sn_rcv_tauwoc=coupled and sn_rcv_tauw=coupled)' )
648	!
649	! ! ------------------------------- !
650	! ! OPA-SAS coupling - rcv by opa !
651	! ! ------------------------------- !
652	srcv(jpr_sflx)%clname = 'O_SFLX'
653	srcv(jpr_fice)%clname = 'RIceFrc'
654	!
655	IF( nn_components == jp_iam_opa ) THEN ! OPA coupled to SAS via OASIS: force received field by OPA (sent by SAS)
656	srcv(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
657	srcv(:)%clgrid = 'T' ! force default definition in case of opa <-> sas coupling
658	srcv(:)%nsgn = 1. ! force default definition in case of opa <-> sas coupling
659	srcv( (/jpr_qsroce, jpr_qnsoce, jpr_oemp, jpr_sflx, jpr_fice, jpr_otx1, jpr_oty1, jpr_taum/) )%laction = .TRUE.
660	srcv(jpr_otx1)%clgrid = 'U' ! oce components given at U-point
661	srcv(jpr_oty1)%clgrid = 'V' ! and V-point
662	! Vectors: change of sign at north fold ONLY if on the local grid
663	srcv( (/jpr_otx1,jpr_oty1/) )%nsgn = -1.
664	sn_rcv_tau%clvgrd = 'U,V'
665	sn_rcv_tau%clvor = 'local grid'
666	sn_rcv_tau%clvref = 'spherical'
667	sn_rcv_emp%cldes = 'oce only'
668	!
669	IF(lwp) THEN ! control print
670	WRITE(numout,*)
671	WRITE(numout,*)' Special conditions for SAS-OPA coupling '
672	WRITE(numout,*)' OPA component '
673	WRITE(numout,*)
674	WRITE(numout,*)' received fields from SAS component '
675	WRITE(numout,*)' ice cover '
676	WRITE(numout,*)' oce only EMP '
677	WRITE(numout,*)' salt flux '
678	WRITE(numout,*)' mixed oce-ice solar flux '
679	WRITE(numout,*)' mixed oce-ice non solar flux '
680	WRITE(numout,*)' wind stress U,V on local grid and sperical coordinates '
681	WRITE(numout,*)' wind stress module'
682	WRITE(numout,*)
683	ENDIF
684	ENDIF
685	! ! -------------------------------- !
686	! ! OPA-SAS coupling - rcv by sas !
687	! ! -------------------------------- !
688	srcv(jpr_toce )%clname = 'I_SSTSST'
689	srcv(jpr_soce )%clname = 'I_SSSal'
690	srcv(jpr_ocx1 )%clname = 'I_OCurx1'
691	srcv(jpr_ocy1 )%clname = 'I_OCury1'
692	srcv(jpr_ssh )%clname = 'I_SSHght'
693	srcv(jpr_e3t1st)%clname = 'I_E3T1st'
694	srcv(jpr_fraqsr)%clname = 'I_FraQsr'
695	!
696	IF( nn_components == jp_iam_sas ) THEN
697	IF( .NOT. ln_cpl ) srcv(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
698	IF( .NOT. ln_cpl ) srcv(:)%clgrid = 'T' ! force default definition in case of opa <-> sas coupling
699	IF( .NOT. ln_cpl ) srcv(:)%nsgn = 1. ! force default definition in case of opa <-> sas coupling
700	srcv( (/jpr_toce, jpr_soce, jpr_ssh, jpr_fraqsr, jpr_ocx1, jpr_ocy1/) )%laction = .TRUE.
701	srcv( jpr_e3t1st )%laction = .NOT.ln_linssh
702	srcv(jpr_ocx1)%clgrid = 'U' ! oce components given at U-point
703	srcv(jpr_ocy1)%clgrid = 'V' ! and V-point
704	! Vectors: change of sign at north fold ONLY if on the local grid
705	srcv(jpr_ocx1:jpr_ocy1)%nsgn = -1.
706	! Change first letter to couple with atmosphere if already coupled OPA
707	! this is nedeed as each variable name used in the namcouple must be unique:
708	! for example O_Runoff received by OPA from SAS and therefore O_Runoff received by SAS from the Atmosphere
709	DO jn = 1, jprcv
710	IF ( srcv(jn)%clname(1:1) == "O" ) srcv(jn)%clname = "S"//srcv(jn)%clname(2:LEN(srcv(jn)%clname))
711	END DO
712	!
713	IF(lwp) THEN ! control print
714	WRITE(numout,*)
715	WRITE(numout,*)' Special conditions for SAS-OPA coupling '
716	WRITE(numout,*)' SAS component '
717	WRITE(numout,*)
718	IF( .NOT. ln_cpl ) THEN
719	WRITE(numout,*)' received fields from OPA component '
720	ELSE
721	WRITE(numout,*)' Additional received fields from OPA component : '
722	ENDIF
723	WRITE(numout,*)' sea surface temperature (Celsius) '
724	WRITE(numout,*)' sea surface salinity '
725	WRITE(numout,*)' surface currents '
726	WRITE(numout,*)' sea surface height '
727	WRITE(numout,*)' thickness of first ocean T level '
728	WRITE(numout,*)' fraction of solar net radiation absorbed in the first ocean level'
729	WRITE(numout,*)
730	ENDIF
731	ENDIF
732
733	! =================================================== !
734	! Allocate all parts of frcv used for received fields !
735	! =================================================== !
736	DO jn = 1, jprcv
737	IF ( srcv(jn)%laction ) ALLOCATE( frcv(jn)%z3(jpi,jpj,srcv(jn)%nct) )
738	END DO
739	! Allocate taum part of frcv which is used even when not received as coupling field
740	IF ( .NOT. srcv(jpr_taum)%laction ) ALLOCATE( frcv(jpr_taum)%z3(jpi,jpj,srcv(jpr_taum)%nct) )
741	! Allocate w10m part of frcv which is used even when not received as coupling field
742	IF ( .NOT. srcv(jpr_w10m)%laction ) ALLOCATE( frcv(jpr_w10m)%z3(jpi,jpj,srcv(jpr_w10m)%nct) )
743	! Allocate jpr_otx1 part of frcv which is used even when not received as coupling field
744	IF ( .NOT. srcv(jpr_otx1)%laction ) ALLOCATE( frcv(jpr_otx1)%z3(jpi,jpj,srcv(jpr_otx1)%nct) )
745	IF ( .NOT. srcv(jpr_oty1)%laction ) ALLOCATE( frcv(jpr_oty1)%z3(jpi,jpj,srcv(jpr_oty1)%nct) )
746	! Allocate itx1 and ity1 as they are used in sbc_cpl_ice_tau even if srcv(jpr_itx1)%laction = .FALSE.
747	IF( k_ice /= 0 ) THEN
748	IF ( .NOT. srcv(jpr_itx1)%laction ) ALLOCATE( frcv(jpr_itx1)%z3(jpi,jpj,srcv(jpr_itx1)%nct) )
749	IF ( .NOT. srcv(jpr_ity1)%laction ) ALLOCATE( frcv(jpr_ity1)%z3(jpi,jpj,srcv(jpr_ity1)%nct) )
750	END IF
751
752	! ================================ !
753	! Define the send interface !
754	! ================================ !
755	! for each field: define the OASIS name (ssnd(:)%clname)
756	! define send or not from the namelist parameters (ssnd(:)%laction)
757	! define the north fold type of lbc (ssnd(:)%nsgn)
758
759	! default definitions of nsnd
760	ssnd(:)%laction = .FALSE. ; ssnd(:)%clgrid = 'T' ; ssnd(:)%nsgn = 1. ; ssnd(:)%nct = 1
761
762	! ! ------------------------- !
763	! ! Surface temperature !
764	! ! ------------------------- !
765	ssnd(jps_toce)%clname = 'O_SSTSST'
766	ssnd(jps_tice)%clname = 'O_TepIce'
767	ssnd(jps_ttilyr)%clname = 'O_TtiLyr'
768	ssnd(jps_tmix)%clname = 'O_TepMix'
769	SELECT CASE( TRIM( sn_snd_temp%cldes ) )
770	CASE( 'none' ) ! nothing to do
771	CASE( 'oce only' ) ; ssnd( jps_toce )%laction = .TRUE.
772	CASE( 'oce and ice' , 'weighted oce and ice' , 'oce and weighted ice' )
773	ssnd( (/jps_toce, jps_tice/) )%laction = .TRUE.
774	IF ( TRIM( sn_snd_temp%clcat ) == 'yes' ) ssnd(jps_tice)%nct = nn_cats_cpl
775	CASE( 'mixed oce-ice' ) ; ssnd( jps_tmix )%laction = .TRUE.
776	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_temp%cldes' )
777	END SELECT
778
779	! ! ------------------------- !
780	! ! Albedo !
781	! ! ------------------------- !
782	ssnd(jps_albice)%clname = 'O_AlbIce'
783	ssnd(jps_albmix)%clname = 'O_AlbMix'
784	SELECT CASE( TRIM( sn_snd_alb%cldes ) )
785	CASE( 'none' ) ! nothing to do
786	CASE( 'ice' , 'weighted ice' ) ; ssnd(jps_albice)%laction = .TRUE.
787	CASE( 'mixed oce-ice' ) ; ssnd(jps_albmix)%laction = .TRUE.
788	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_alb%cldes' )
789	END SELECT
790	!
791	! Need to calculate oceanic albedo if
792	! 1. sending mixed oce-ice albedo or
793	! 2. receiving mixed oce-ice solar radiation
794	IF ( TRIM ( sn_snd_alb%cldes ) == 'mixed oce-ice' .OR. TRIM ( sn_rcv_qsr%cldes ) == 'mixed oce-ice' ) THEN
795	CALL oce_alb( zaos, zacs )
796	! Due to lack of information on nebulosity : mean clear/overcast sky
797	alb_oce_mix(:,:) = ( zacs(:,:) + zaos(:,:) ) * 0.5
798	ENDIF
799	! ! ------------------------- !
800	! ! Ice fraction & Thickness !
801	! ! ------------------------- !
802	ssnd(jps_fice)%clname = 'OIceFrc'
803	ssnd(jps_ficet)%clname = 'OIceFrcT'
804	ssnd(jps_hice)%clname = 'OIceTck'
805	ssnd(jps_a_p)%clname = 'OPndFrc'
806	ssnd(jps_ht_p)%clname = 'OPndTck'
807	ssnd(jps_hsnw)%clname = 'OSnwTck'
808	ssnd(jps_fice1)%clname = 'OIceFrd'
809	IF( k_ice /= 0 ) THEN
810	ssnd(jps_fice)%laction = .TRUE. ! if ice treated in the ocean (even in climato case)
811	ssnd(jps_fice1)%laction = .TRUE. ! First-order regridded ice concentration, to be used producing atmos-to-ice fluxes (Met Office requirement)
812	! Currently no namelist entry to determine sending of multi-category ice fraction so use the thickness entry for now
813	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) ssnd(jps_fice)%nct = nn_cats_cpl
814	IF ( TRIM( sn_snd_thick1%clcat ) == 'yes' ) ssnd(jps_fice1)%nct = nn_cats_cpl
815	ENDIF
816
817	IF (TRIM( sn_snd_ifrac%cldes ) == 'coupled') ssnd(jps_ficet)%laction = .TRUE.
818
819	SELECT CASE ( TRIM( sn_snd_thick%cldes ) )
820	CASE( 'none' ) ! nothing to do
821	CASE( 'ice and snow' )
822	ssnd(jps_hice:jps_hsnw)%laction = .TRUE.
823	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) THEN
824	ssnd(jps_hice:jps_hsnw)%nct = nn_cats_cpl
825	ENDIF
826	CASE ( 'weighted ice and snow' )
827	ssnd(jps_hice:jps_hsnw)%laction = .TRUE.
828	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) ssnd(jps_hice:jps_hsnw)%nct = nn_cats_cpl
829	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_thick%cldes' )
830	END SELECT
831
832	! ! ------------------------- !
833	! ! Ice Meltponds !
834	! ! ------------------------- !
835	! Needed by Met Office
836	ssnd(jps_a_p)%clname = 'OPndFrc'
837	ssnd(jps_ht_p)%clname = 'OPndTck'
838	SELECT CASE ( TRIM( sn_snd_mpnd%cldes ) )
839	CASE ( 'none' )
840	ssnd(jps_a_p)%laction = .FALSE.
841	ssnd(jps_ht_p)%laction = .FALSE.
842	CASE ( 'ice only' )
843	ssnd(jps_a_p)%laction = .TRUE.
844	ssnd(jps_ht_p)%laction = .TRUE.
845	IF ( TRIM( sn_snd_mpnd%clcat ) == 'yes' ) THEN
846	ssnd(jps_a_p)%nct = nn_cats_cpl
847	ssnd(jps_ht_p)%nct = nn_cats_cpl
848	ELSE
849	IF ( nn_cats_cpl > 1 ) THEN
850	CALL ctl_stop( 'sbc_cpl_init: use weighted ice option for sn_snd_mpnd%cldes if not exchanging category fields' )
851	ENDIF
852	ENDIF
853	CASE ( 'weighted ice' )
854	ssnd(jps_a_p)%laction = .TRUE.
855	ssnd(jps_ht_p)%laction = .TRUE.
856	IF ( TRIM( sn_snd_mpnd%clcat ) == 'yes' ) THEN
857	ssnd(jps_a_p)%nct = nn_cats_cpl
858	ssnd(jps_ht_p)%nct = nn_cats_cpl
859	ENDIF
860	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_mpnd%cldes; '//sn_snd_mpnd%cldes )
861	END SELECT
862
863	! ! ------------------------- !
864	! ! Surface current !
865	! ! ------------------------- !
866	! ocean currents ! ice velocities
867	ssnd(jps_ocx1)%clname = 'O_OCurx1' ; ssnd(jps_ivx1)%clname = 'O_IVelx1'
868	ssnd(jps_ocy1)%clname = 'O_OCury1' ; ssnd(jps_ivy1)%clname = 'O_IVely1'
869	ssnd(jps_ocz1)%clname = 'O_OCurz1' ; ssnd(jps_ivz1)%clname = 'O_IVelz1'
870	ssnd(jps_ocxw)%clname = 'O_OCurxw'
871	ssnd(jps_ocyw)%clname = 'O_OCuryw'
872	!
873	ssnd(jps_ocx1:jps_ivz1)%nsgn = -1. ! vectors: change of the sign at the north fold
874
875	IF( sn_snd_crt%clvgrd == 'U,V' ) THEN
876	ssnd(jps_ocx1)%clgrid = 'U' ; ssnd(jps_ocy1)%clgrid = 'V'
877	ELSE IF( sn_snd_crt%clvgrd /= 'T' ) THEN
878	CALL ctl_stop( 'sn_snd_crt%clvgrd must be equal to T' )
879	ssnd(jps_ocx1:jps_ivz1)%clgrid = 'T' ! all oce and ice components on the same unique grid
880	ENDIF
881	ssnd(jps_ocx1:jps_ivz1)%laction = .TRUE. ! default: all are send
882	IF( TRIM( sn_snd_crt%clvref ) == 'spherical' ) ssnd( (/jps_ocz1, jps_ivz1/) )%laction = .FALSE.
883	IF( TRIM( sn_snd_crt%clvor ) == 'eastward-northward' ) ssnd(jps_ocx1:jps_ivz1)%nsgn = 1.
884	SELECT CASE( TRIM( sn_snd_crt%cldes ) )
885	CASE( 'none' ) ; ssnd(jps_ocx1:jps_ivz1)%laction = .FALSE.
886	CASE( 'oce only' ) ; ssnd(jps_ivx1:jps_ivz1)%laction = .FALSE.
887	CASE( 'weighted oce and ice' ) ! nothing to do
888	CASE( 'mixed oce-ice' ) ; ssnd(jps_ivx1:jps_ivz1)%laction = .FALSE.
889	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_crt%cldes' )
890	END SELECT
891
892	ssnd(jps_ocxw:jps_ocyw)%nsgn = -1. ! vectors: change of the sign at the north fold
893
894	IF( sn_snd_crtw%clvgrd == 'U,V' ) THEN
895	ssnd(jps_ocxw)%clgrid = 'U' ; ssnd(jps_ocyw)%clgrid = 'V'
896	ELSE IF( sn_snd_crtw%clvgrd /= 'T' ) THEN
897	CALL ctl_stop( 'sn_snd_crtw%clvgrd must be equal to T' )
898	ENDIF
899	IF( TRIM( sn_snd_crtw%clvor ) == 'eastward-northward' ) ssnd(jps_ocxw:jps_ocyw)%nsgn = 1.
900	SELECT CASE( TRIM( sn_snd_crtw%cldes ) )
901	CASE( 'none' ) ; ssnd(jps_ocxw:jps_ocyw)%laction = .FALSE.
902	CASE( 'oce only' ) ; ssnd(jps_ocxw:jps_ocyw)%laction = .TRUE.
903	CASE( 'weighted oce and ice' ) ! nothing to do
904	CASE( 'mixed oce-ice' ) ; ssnd(jps_ivx1:jps_ivz1)%laction = .FALSE.
905	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_crtw%cldes' )
906	END SELECT
907
908	! ! ------------------------- !
909	! ! CO2 flux !
910	! ! ------------------------- !
911	ssnd(jps_co2)%clname = 'O_CO2FLX' ; IF( TRIM(sn_snd_co2%cldes) == 'coupled' ) ssnd(jps_co2 )%laction = .TRUE.
912	!
913	! ! ------------------------- !
914	! ! Sea surface freezing temp !
915	! ! ------------------------- !
916	! needed by Met Office
917	ssnd(jps_sstfrz)%clname = 'O_SSTFrz' ; IF( TRIM(sn_snd_sstfrz%cldes) == 'coupled' ) ssnd(jps_sstfrz)%laction = .TRUE.
918	!
919	! ! ------------------------- !
920	! ! Ice conductivity !
921	! ! ------------------------- !
922	! needed by Met Office
923	! Note that ultimately we will move to passing an ocean effective conductivity as well so there
924	! will be some changes to the parts of the code which currently relate only to ice conductivity
925	ssnd(jps_ttilyr )%clname = 'O_TtiLyr'
926	SELECT CASE ( TRIM( sn_snd_ttilyr%cldes ) )
927	CASE ( 'none' )
928	ssnd(jps_ttilyr)%laction = .FALSE.
929	CASE ( 'ice only' )
930	ssnd(jps_ttilyr)%laction = .TRUE.
931	IF ( TRIM( sn_snd_ttilyr%clcat ) == 'yes' ) THEN
932	ssnd(jps_ttilyr)%nct = nn_cats_cpl
933	ELSE
934	IF ( nn_cats_cpl > 1 ) THEN
935	CALL ctl_stop( 'sbc_cpl_init: use weighted ice option for sn_snd_ttilyr%cldes if not exchanging category fields' )
936	ENDIF
937	ENDIF
938	CASE ( 'weighted ice' )
939	ssnd(jps_ttilyr)%laction = .TRUE.
940	IF ( TRIM( sn_snd_ttilyr%clcat ) == 'yes' ) ssnd(jps_ttilyr)%nct = nn_cats_cpl
941	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_ttilyr%cldes;'//sn_snd_ttilyr%cldes )
942	END SELECT
943
944	ssnd(jps_kice )%clname = 'OIceKn'
945	SELECT CASE ( TRIM( sn_snd_cond%cldes ) )
946	CASE ( 'none' )
947	ssnd(jps_kice)%laction = .FALSE.
948	CASE ( 'ice only' )
949	ssnd(jps_kice)%laction = .TRUE.
950	IF ( TRIM( sn_snd_cond%clcat ) == 'yes' ) THEN
951	ssnd(jps_kice)%nct = nn_cats_cpl
952	ELSE
953	IF ( nn_cats_cpl > 1 ) THEN
954	CALL ctl_stop( 'sbc_cpl_init: use weighted ice option for sn_snd_cond%cldes if not exchanging category fields' )
955	ENDIF
956	ENDIF
957	CASE ( 'weighted ice' )
958	ssnd(jps_kice)%laction = .TRUE.
959	IF ( TRIM( sn_snd_cond%clcat ) == 'yes' ) ssnd(jps_kice)%nct = nn_cats_cpl
960	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_cond%cldes;'//sn_snd_cond%cldes )
961	END SELECT
962	!
963	! ! ------------------------- !
964	! ! Sea surface height !
965	! ! ------------------------- !
966	ssnd(jps_wlev)%clname = 'O_Wlevel' ; IF( TRIM(sn_snd_wlev%cldes) == 'coupled' ) ssnd(jps_wlev)%laction = .TRUE.
967
968	! ! ------------------------------- !
969	! ! OPA-SAS coupling - snd by opa !
970	! ! ------------------------------- !
971	ssnd(jps_ssh )%clname = 'O_SSHght'
972	ssnd(jps_soce )%clname = 'O_SSSal'
973	ssnd(jps_e3t1st)%clname = 'O_E3T1st'
974	ssnd(jps_fraqsr)%clname = 'O_FraQsr'
975	!
976	IF( nn_components == jp_iam_opa ) THEN
977	ssnd(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
978	ssnd( (/jps_toce, jps_soce, jps_ssh, jps_fraqsr, jps_ocx1, jps_ocy1/) )%laction = .TRUE.
979	ssnd( jps_e3t1st )%laction = .NOT.ln_linssh
980	! vector definition: not used but cleaner...
981	ssnd(jps_ocx1)%clgrid = 'U' ! oce components given at U-point
982	ssnd(jps_ocy1)%clgrid = 'V' ! and V-point
983	sn_snd_crt%clvgrd = 'U,V'
984	sn_snd_crt%clvor = 'local grid'
985	sn_snd_crt%clvref = 'spherical'
986	!
987	IF(lwp) THEN ! control print
988	WRITE(numout,*)
989	WRITE(numout,*)' sent fields to SAS component '
990	WRITE(numout,*)' sea surface temperature (T before, Celsius) '
991	WRITE(numout,*)' sea surface salinity '
992	WRITE(numout,*)' surface currents U,V on local grid and spherical coordinates'
993	WRITE(numout,*)' sea surface height '
994	WRITE(numout,*)' thickness of first ocean T level '
995	WRITE(numout,*)' fraction of solar net radiation absorbed in the first ocean level'
996	WRITE(numout,*)
997	ENDIF
998	ENDIF
999	! ! ------------------------------- !
1000	! ! OPA-SAS coupling - snd by sas !
1001	! ! ------------------------------- !
1002	ssnd(jps_sflx )%clname = 'I_SFLX'
1003	ssnd(jps_fice2 )%clname = 'IIceFrc'
1004	ssnd(jps_qsroce)%clname = 'I_QsrOce'
1005	ssnd(jps_qnsoce)%clname = 'I_QnsOce'
1006	ssnd(jps_oemp )%clname = 'IOEvaMPr'
1007	ssnd(jps_otx1 )%clname = 'I_OTaux1'
1008	ssnd(jps_oty1 )%clname = 'I_OTauy1'
1009	ssnd(jps_rnf )%clname = 'I_Runoff'
1010	ssnd(jps_taum )%clname = 'I_TauMod'
1011	!
1012	IF( nn_components == jp_iam_sas ) THEN
1013	IF( .NOT. ln_cpl ) ssnd(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
1014	ssnd( (/jps_qsroce, jps_qnsoce, jps_oemp, jps_fice2, jps_sflx, jps_otx1, jps_oty1, jps_taum/) )%laction = .TRUE.
1015	!
1016	! Change first letter to couple with atmosphere if already coupled with sea_ice
1017	! this is nedeed as each variable name used in the namcouple must be unique:
1018	! for example O_SSTSST sent by OPA to SAS and therefore S_SSTSST sent by SAS to the Atmosphere
1019	DO jn = 1, jpsnd
1020	IF ( ssnd(jn)%clname(1:1) == "O" ) ssnd(jn)%clname = "S"//ssnd(jn)%clname(2:LEN(ssnd(jn)%clname))
1021	END DO
1022	!
1023	IF(lwp) THEN ! control print
1024	WRITE(numout,*)
1025	IF( .NOT. ln_cpl ) THEN
1026	WRITE(numout,*)' sent fields to OPA component '
1027	ELSE
1028	WRITE(numout,*)' Additional sent fields to OPA component : '
1029	ENDIF
1030	WRITE(numout,*)' ice cover '
1031	WRITE(numout,*)' oce only EMP '
1032	WRITE(numout,*)' salt flux '
1033	WRITE(numout,*)' mixed oce-ice solar flux '
1034	WRITE(numout,*)' mixed oce-ice non solar flux '
1035	WRITE(numout,*)' wind stress U,V components'
1036	WRITE(numout,*)' wind stress module'
1037	ENDIF
1038	ENDIF
1039
1040	!
1041	! ================================ !
1042	! initialisation of the coupler !
1043	! ================================ !
1044
1045	CALL cpl_define(jprcv, jpsnd, nn_cplmodel)
1046
1047	IF (ln_usecplmask) THEN
1048	xcplmask(:,:,:) = 0.
1049	CALL iom_open( 'cplmask', inum )
1050	CALL iom_get( inum, jpdom_unknown, 'cplmask', xcplmask(1:nlci,1:nlcj,1:nn_cplmodel), &
1051	& kstart = (/ mig(1),mjg(1),1 /), kcount = (/ nlci,nlcj,nn_cplmodel /) )
1052	CALL iom_close( inum )
1053	ELSE
1054	xcplmask(:,:,:) = 1.
1055	ENDIF
1056	xcplmask(:,:,0) = 1. - SUM( xcplmask(:,:,1:nn_cplmodel), dim = 3 )
1057	!
1058	ncpl_qsr_freq = cpl_freq( 'O_QsrOce' ) + cpl_freq( 'O_QsrMix' ) + cpl_freq( 'I_QsrOce' ) + cpl_freq( 'I_QsrMix' )
1059	IF( ln_dm2dc .AND. ln_cpl .AND. ncpl_qsr_freq /= 86400 ) &
1060	& CALL ctl_stop( 'sbc_cpl_init: diurnal cycle reconstruction (ln_dm2dc) needs daily couping for solar radiation' )
1061	IF( ln_dm2dc .AND. ln_cpl ) ncpl_qsr_freq = 86400 / ncpl_qsr_freq
1062	!
1063	END SUBROUTINE sbc_cpl_init
1064
1065
1066	SUBROUTINE sbc_cpl_rcv( kt, k_fsbc, k_ice )
1067	!!----------------------------------------------------------------------
1068	!! * ROUTINE sbc_cpl_rcv *
1069	!!
1070	!! ** Purpose : provide the stress over the ocean and, if no sea-ice,
1071	!! provide the ocean heat and freshwater fluxes.
1072	!!
1073	!! ** Method : - Receive all the atmospheric fields (stored in frcv array). called at each time step.
1074	!! OASIS controls if there is something do receive or not. nrcvinfo contains the info
1075	!! to know if the field was really received or not
1076	!!
1077	!! --> If ocean stress was really received:
1078	!!
1079	!! - transform the received ocean stress vector from the received
1080	!! referential and grid into an atmosphere-ocean stress in
1081	!! the (i,j) ocean referencial and at the ocean velocity point.
1082	!! The received stress are :
1083	!! - defined by 3 components (if cartesian coordinate)
1084	!! or by 2 components (if spherical)
1085	!! - oriented along geographical coordinate (if eastward-northward)
1086	!! or along the local grid coordinate (if local grid)
1087	!! - given at U- and V-point, resp. if received on 2 grids
1088	!! or at T-point if received on 1 grid
1089	!! Therefore and if necessary, they are successively
1090	!! processed in order to obtain them
1091	!! first as 2 components on the sphere
1092	!! second as 2 components oriented along the local grid
1093	!! third as 2 components on the U,V grid
1094	!!
1095	!! -->
1096	!!
1097	!! - In 'ocean only' case, non solar and solar ocean heat fluxes
1098	!! and total ocean freshwater fluxes
1099	!!
1100	!! ** Method : receive all fields from the atmosphere and transform
1101	!! them into ocean surface boundary condition fields
1102	!!
1103	!! ** Action : update utau, vtau ocean stress at U,V grid
1104	!! taum wind stress module at T-point
1105	!! wndm wind speed module at T-point over free ocean or leads in presence of sea-ice
1106	!! qns non solar heat fluxes including emp heat content (ocean only case)
1107	!! and the latent heat flux of solid precip. melting
1108	!! qsr solar ocean heat fluxes (ocean only case)
1109	!! emp upward mass flux [evap. - precip. (- runoffs) (- calving)] (ocean only case)
1110	!!----------------------------------------------------------------------
1111	USE zdf_oce, ONLY : ln_zdfswm
1112	!
1113	INTEGER, INTENT(in) :: kt ! ocean model time step index
1114	INTEGER, INTENT(in) :: k_fsbc ! frequency of sbc (-> ice model) computation
1115	INTEGER, INTENT(in) :: k_ice ! ice management in the sbc (=0/1/2/3)
1116	!!
1117	LOGICAL :: llnewtx, llnewtau ! update wind stress components and module??
1118	INTEGER :: ji, jj, jn ! dummy loop indices
1119	INTEGER :: isec ! number of seconds since nit000 (assuming rdt did not change since nit000)
1120	REAL(wp) :: zcumulneg, zcumulpos ! temporary scalars
1121	REAL(wp) :: zcoef ! temporary scalar
1122	REAL(wp) :: zrhoa = 1.22 ! Air density kg/m3
1123	REAL(wp) :: zcdrag = 1.5e-3 ! drag coefficient
1124	REAL(wp) :: zzx, zzy ! temporary variables
1125	REAL(wp), DIMENSION(jpi,jpj) :: ztx, zty, zmsk, zemp, zqns, zqsr
1126	!!----------------------------------------------------------------------
1127	!
1128	IF( ln_mixcpl ) zmsk(:,:) = 1. - xcplmask(:,:,0)
1129	!
1130	! ! ======================================================= !
1131	! ! Receive all the atmos. fields (including ice information)
1132	! ! ======================================================= !
1133	isec = ( kt - nit000 ) * NINT( rdt ) ! date of exchanges
1134	DO jn = 1, jprcv ! received fields sent by the atmosphere
1135	IF( srcv(jn)%laction ) CALL cpl_rcv( jn, isec, frcv(jn)%z3, xcplmask(:,:,1:nn_cplmodel), nrcvinfo(jn) )
1136	END DO
1137
1138	! ! ========================= !
1139	IF( srcv(jpr_otx1)%laction ) THEN ! ocean stress components !
1140	! ! ========================= !
1141	! define frcv(jpr_otx1)%z3(:,:,1) and frcv(jpr_oty1)%z3(:,:,1): stress at U/V point along model grid
1142	! => need to be done only when we receive the field
1143	IF( nrcvinfo(jpr_otx1) == OASIS_Rcv ) THEN
1144	!
1145	IF( TRIM( sn_rcv_tau%clvref ) == 'cartesian' ) THEN ! 2 components on the sphere
1146	! ! (cartesian to spherical -> 3 to 2 components)
1147	!
1148	CALL geo2oce( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), frcv(jpr_otz1)%z3(:,:,1), &
1149	& srcv(jpr_otx1)%clgrid, ztx, zty )
1150	frcv(jpr_otx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 1st grid
1151	frcv(jpr_oty1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 1st grid
1152	!
1153	IF( srcv(jpr_otx2)%laction ) THEN
1154	CALL geo2oce( frcv(jpr_otx2)%z3(:,:,1), frcv(jpr_oty2)%z3(:,:,1), frcv(jpr_otz2)%z3(:,:,1), &
1155	& srcv(jpr_otx2)%clgrid, ztx, zty )
1156	frcv(jpr_otx2)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 2nd grid
1157	frcv(jpr_oty2)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 2nd grid
1158	ENDIF
1159	!
1160	ENDIF
1161	!
1162	IF( TRIM( sn_rcv_tau%clvor ) == 'eastward-northward' ) THEN ! 2 components oriented along the local grid
1163	! ! (geographical to local grid -> rotate the components)
1164	CALL rot_rep( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), srcv(jpr_otx1)%clgrid, 'en->i', ztx )
1165	IF( srcv(jpr_otx2)%laction ) THEN
1166	CALL rot_rep( frcv(jpr_otx2)%z3(:,:,1), frcv(jpr_oty2)%z3(:,:,1), srcv(jpr_otx2)%clgrid, 'en->j', zty )
1167	ELSE
1168	CALL rot_rep( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), srcv(jpr_otx1)%clgrid, 'en->j', zty )
1169	ENDIF
1170	frcv(jpr_otx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st component on the 1st grid
1171	frcv(jpr_oty1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd component on the 2nd grid
1172	ENDIF
1173	!
1174	IF( srcv(jpr_otx1)%clgrid == 'T' ) THEN
1175	DO jj = 2, jpjm1 ! T ==> (U,V)
1176	DO ji = fs_2, fs_jpim1 ! vector opt.
1177	frcv(jpr_otx1)%z3(ji,jj,1) = 0.5 * ( frcv(jpr_otx1)%z3(ji+1,jj ,1) + frcv(jpr_otx1)%z3(ji,jj,1) )
1178	frcv(jpr_oty1)%z3(ji,jj,1) = 0.5 * ( frcv(jpr_oty1)%z3(ji ,jj+1,1) + frcv(jpr_oty1)%z3(ji,jj,1) )
1179	END DO
1180	END DO
1181	CALL lbc_lnk_multi( 'sbccpl', frcv(jpr_otx1)%z3(:,:,1), 'U', -1., frcv(jpr_oty1)%z3(:,:,1), 'V', -1. )
1182	ENDIF
1183	llnewtx = .TRUE.
1184	ELSE
1185	llnewtx = .FALSE.
1186	ENDIF
1187	! ! ========================= !
1188	ELSE ! No dynamical coupling !
1189	! ! ========================= !
1190	frcv(jpr_otx1)%z3(:,:,1) = 0.e0 ! here simply set to zero
1191	frcv(jpr_oty1)%z3(:,:,1) = 0.e0 ! an external read in a file can be added instead
1192	llnewtx = .TRUE.
1193	!
1194	ENDIF
1195	! ! ========================= !
1196	! ! wind stress module ! (taum)
1197	! ! ========================= !
1198	IF( .NOT. srcv(jpr_taum)%laction ) THEN ! compute wind stress module from its components if not received
1199	! => need to be done only when otx1 was changed
1200	IF( llnewtx ) THEN
1201	DO jj = 2, jpjm1
1202	DO ji = fs_2, fs_jpim1 ! vect. opt.
1203	zzx = frcv(jpr_otx1)%z3(ji-1,jj ,1) + frcv(jpr_otx1)%z3(ji,jj,1)
1204	zzy = frcv(jpr_oty1)%z3(ji ,jj-1,1) + frcv(jpr_oty1)%z3(ji,jj,1)
1205	frcv(jpr_taum)%z3(ji,jj,1) = 0.5 * SQRT( zzx * zzx + zzy * zzy )
1206	END DO
1207	END DO
1208	CALL lbc_lnk( 'sbccpl', frcv(jpr_taum)%z3(:,:,1), 'T', 1. )
1209	llnewtau = .TRUE.
1210	ELSE
1211	llnewtau = .FALSE.
1212	ENDIF
1213	ELSE
1214	llnewtau = nrcvinfo(jpr_taum) == OASIS_Rcv
1215	! Stress module can be negative when received (interpolation problem)
1216	IF( llnewtau ) THEN
1217	frcv(jpr_taum)%z3(:,:,1) = MAX( 0._wp, frcv(jpr_taum)%z3(:,:,1) )
1218	ENDIF
1219	ENDIF
1220	!
1221	! ! ========================= !
1222	! ! 10 m wind speed ! (wndm)
1223	! ! ========================= !
1224	IF( .NOT. srcv(jpr_w10m)%laction ) THEN ! compute wind spreed from wind stress module if not received
1225	! => need to be done only when taumod was changed
1226	IF( llnewtau ) THEN
1227	zcoef = 1. / ( zrhoa * zcdrag )
1228	DO jj = 1, jpj
1229	DO ji = 1, jpi
1230	frcv(jpr_w10m)%z3(ji,jj,1) = SQRT( frcv(jpr_taum)%z3(ji,jj,1) * zcoef )
1231	END DO
1232	END DO
1233	ENDIF
1234	ENDIF
1235
1236	! u(v)tau and taum will be modified by ice model
1237	! -> need to be reset before each call of the ice/fsbc
1238	IF( MOD( kt-1, k_fsbc ) == 0 ) THEN
1239	!
1240	IF( ln_mixcpl ) THEN
1241	utau(:,:) = utau(:,:) * xcplmask(:,:,0) + frcv(jpr_otx1)%z3(:,:,1) * zmsk(:,:)
1242	vtau(:,:) = vtau(:,:) * xcplmask(:,:,0) + frcv(jpr_oty1)%z3(:,:,1) * zmsk(:,:)
1243	taum(:,:) = taum(:,:) * xcplmask(:,:,0) + frcv(jpr_taum)%z3(:,:,1) * zmsk(:,:)
1244	wndm(:,:) = wndm(:,:) * xcplmask(:,:,0) + frcv(jpr_w10m)%z3(:,:,1) * zmsk(:,:)
1245	ELSE
1246	utau(:,:) = frcv(jpr_otx1)%z3(:,:,1)
1247	vtau(:,:) = frcv(jpr_oty1)%z3(:,:,1)
1248	taum(:,:) = frcv(jpr_taum)%z3(:,:,1)
1249	wndm(:,:) = frcv(jpr_w10m)%z3(:,:,1)
1250	ENDIF
1251	CALL iom_put( "taum_oce", taum ) ! output wind stress module
1252	!
1253	ENDIF
1254
1255	! ! ================== !
1256	! ! atmosph. CO2 (ppm) !
1257	! ! ================== !
1258	IF( srcv(jpr_co2)%laction ) atm_co2(:,:) = frcv(jpr_co2)%z3(:,:,1)
1259	!
1260	! ! ================== !
1261	! ! ice skin temp. !
1262	! ! ================== !
1263	#if defined key_si3
1264	! needed by Met Office
1265	IF( srcv(jpr_ts_ice)%laction ) THEN
1266	WHERE ( frcv(jpr_ts_ice)%z3(:,:,:) > 0.0 ) ; tsfc_ice(:,:,:) = 0.0
1267	ELSEWHERE( frcv(jpr_ts_ice)%z3(:,:,:) < -60. ) ; tsfc_ice(:,:,:) = -60.
1268	ELSEWHERE ; tsfc_ice(:,:,:) = frcv(jpr_ts_ice)%z3(:,:,:)
1269	END WHERE
1270	ENDIF
1271	#endif
1272	! ! ========================= !
1273	! ! Mean Sea Level Pressure ! (taum)
1274	! ! ========================= !
1275	IF( srcv(jpr_mslp)%laction ) THEN ! UKMO SHELF effect of atmospheric pressure on SSH
1276	IF( kt /= nit000 ) ssh_ibb(:,:) = ssh_ib(:,:) !* Swap of ssh_ib fields
1277
1278	r1_grau = 1.e0 / (grav * rau0) !* constant for optimization
1279	ssh_ib(:,:) = - ( frcv(jpr_mslp)%z3(:,:,1) - rpref ) * r1_grau ! equivalent ssh (inverse barometer)
1280	apr (:,:) = frcv(jpr_mslp)%z3(:,:,1) !atmospheric pressure
1281
1282	IF( kt == nit000 ) ssh_ibb(:,:) = ssh_ib(:,:) ! correct this later (read from restart if possible)
1283	END IF
1284	!
1285	IF( ln_sdw ) THEN ! Stokes Drift correction activated
1286	! ! ========================= !
1287	! ! Stokes drift u !
1288	! ! ========================= !
1289	IF( srcv(jpr_sdrftx)%laction ) ut0sd(:,:) = frcv(jpr_sdrftx)%z3(:,:,1)
1290	!
1291	! ! ========================= !
1292	! ! Stokes drift v !
1293	! ! ========================= !
1294	IF( srcv(jpr_sdrfty)%laction ) vt0sd(:,:) = frcv(jpr_sdrfty)%z3(:,:,1)
1295	!
1296	! ! ========================= !
1297	! ! Wave mean period !
1298	! ! ========================= !
1299	IF( srcv(jpr_wper)%laction ) wmp(:,:) = frcv(jpr_wper)%z3(:,:,1)
1300	!
1301	! ! ========================= !
1302	! ! Significant wave height !
1303	! ! ========================= !
1304	IF( srcv(jpr_hsig)%laction ) hsw(:,:) = frcv(jpr_hsig)%z3(:,:,1)
1305	!
1306	! ! ========================= !
1307	! ! Wave peak frequency !
1308	! ! ========================= !
1309	IF( srcv(jpr_wfreq)%laction ) wfreq(:,:) = frcv(jpr_wfreq)%z3(:,:,1)
1310	!
1311	! ! ========================= !
1312	! ! Vertical mixing Qiao !
1313	! ! ========================= !
1314	IF( srcv(jpr_wnum)%laction .AND. ln_zdfswm ) wnum(:,:) = frcv(jpr_wnum)%z3(:,:,1)
1315
1316	! Calculate the 3D Stokes drift both in coupled and not fully uncoupled mode
1317	IF( srcv(jpr_sdrftx)%laction .OR. srcv(jpr_sdrfty)%laction .OR. srcv(jpr_wper)%laction &
1318	.OR. srcv(jpr_hsig)%laction .OR. srcv(jpr_wfreq)%laction) THEN
1319	CALL sbc_stokes()
1320	ENDIF
1321	ENDIF
1322	! ! ========================= !
1323	! ! Stress adsorbed by waves !
1324	! ! ========================= !
1325	IF( srcv(jpr_tauwoc)%laction .AND. ln_tauwoc ) tauoc_wave(:,:) = frcv(jpr_tauwoc)%z3(:,:,1)
1326
1327	! ! ========================= !
1328	! ! Stress component by waves !
1329	! ! ========================= !
1330	IF( srcv(jpr_tauwx)%laction .AND. srcv(jpr_tauwy)%laction .AND. ln_tauw ) THEN
1331	tauw_x(:,:) = frcv(jpr_tauwx)%z3(:,:,1)
1332	tauw_y(:,:) = frcv(jpr_tauwy)%z3(:,:,1)
1333	ENDIF
1334
1335	! ! ========================= !
1336	! ! Wave drag coefficient !
1337	! ! ========================= !
1338	IF( srcv(jpr_wdrag)%laction .AND. ln_cdgw ) cdn_wave(:,:) = frcv(jpr_wdrag)%z3(:,:,1)
1339
1340	! Fields received by SAS when OASIS coupling
1341	! (arrays no more filled at sbcssm stage)
1342	! ! ================== !
1343	! ! SSS !
1344	! ! ================== !
1345	IF( srcv(jpr_soce)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1346	sss_m(:,:) = frcv(jpr_soce)%z3(:,:,1)
1347	CALL iom_put( 'sss_m', sss_m )
1348	ENDIF
1349	!
1350	! ! ================== !
1351	! ! SST !
1352	! ! ================== !
1353	IF( srcv(jpr_toce)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1354	sst_m(:,:) = frcv(jpr_toce)%z3(:,:,1)
1355	IF( srcv(jpr_soce)%laction .AND. l_useCT ) THEN ! make sure that sst_m is the potential temperature
1356	sst_m(:,:) = eos_pt_from_ct( sst_m(:,:), sss_m(:,:) )
1357	ENDIF
1358	ENDIF
1359	! ! ================== !
1360	! ! SSH !
1361	! ! ================== !
1362	IF( srcv(jpr_ssh )%laction ) THEN ! received by sas in case of opa <-> sas coupling
1363	ssh_m(:,:) = frcv(jpr_ssh )%z3(:,:,1)
1364	CALL iom_put( 'ssh_m', ssh_m )
1365	ENDIF
1366	! ! ================== !
1367	! ! surface currents !
1368	! ! ================== !
1369	IF( srcv(jpr_ocx1)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1370	ssu_m(:,:) = frcv(jpr_ocx1)%z3(:,:,1)
1371	ub (:,:,1) = ssu_m(:,:) ! will be used in icestp in the call of ice_forcing_tau
1372	un (:,:,1) = ssu_m(:,:) ! will be used in sbc_cpl_snd if atmosphere coupling
1373	CALL iom_put( 'ssu_m', ssu_m )
1374	ENDIF
1375	IF( srcv(jpr_ocy1)%laction ) THEN
1376	ssv_m(:,:) = frcv(jpr_ocy1)%z3(:,:,1)
1377	vb (:,:,1) = ssv_m(:,:) ! will be used in icestp in the call of ice_forcing_tau
1378	vn (:,:,1) = ssv_m(:,:) ! will be used in sbc_cpl_snd if atmosphere coupling
1379	CALL iom_put( 'ssv_m', ssv_m )
1380	ENDIF
1381	! ! ======================== !
1382	! ! first T level thickness !
1383	! ! ======================== !
1384	IF( srcv(jpr_e3t1st )%laction ) THEN ! received by sas in case of opa <-> sas coupling
1385	e3t_m(:,:) = frcv(jpr_e3t1st )%z3(:,:,1)
1386	CALL iom_put( 'e3t_m', e3t_m(:,:) )
1387	ENDIF
1388	! ! ================================ !
1389	! ! fraction of solar net radiation !
1390	! ! ================================ !
1391	IF( srcv(jpr_fraqsr)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1392	frq_m(:,:) = frcv(jpr_fraqsr)%z3(:,:,1)
1393	CALL iom_put( 'frq_m', frq_m )
1394	ENDIF
1395
1396	! ! ========================= !
1397	IF( k_ice <= 1 .AND. MOD( kt-1, k_fsbc ) == 0 ) THEN ! heat & freshwater fluxes ! (Ocean only case)
1398	! ! ========================= !
1399	!
1400	! ! total freshwater fluxes over the ocean (emp)
1401	IF( srcv(jpr_oemp)%laction .OR. srcv(jpr_rain)%laction ) THEN
1402	SELECT CASE( TRIM( sn_rcv_emp%cldes ) ) ! evaporation - precipitation
1403	CASE( 'conservative' )
1404	zemp(:,:) = frcv(jpr_tevp)%z3(:,:,1) - ( frcv(jpr_rain)%z3(:,:,1) + frcv(jpr_snow)%z3(:,:,1) )
1405	CASE( 'oce only', 'oce and ice' )
1406	zemp(:,:) = frcv(jpr_oemp)%z3(:,:,1)
1407	CASE default
1408	CALL ctl_stop( 'sbc_cpl_rcv: wrong definition of sn_rcv_emp%cldes' )
1409	END SELECT
1410	ELSE
1411	zemp(:,:) = 0._wp
1412	ENDIF
1413	!
1414	! ! runoffs and calving (added in emp)
1415	IF( srcv(jpr_rnf)%laction ) rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1416	IF( srcv(jpr_cal)%laction ) zemp(:,:) = zemp(:,:) - frcv(jpr_cal)%z3(:,:,1)
1417
1418	IF( srcv(jpr_icb)%laction ) THEN
1419	fwficb(:,:) = frcv(jpr_icb)%z3(:,:,1)
1420	rnf(:,:) = rnf(:,:) + fwficb(:,:) ! iceberg added to runfofs
1421	ENDIF
1422	IF( srcv(jpr_isf)%laction ) fwfisf(:,:) = - frcv(jpr_isf)%z3(:,:,1) ! fresh water flux from the isf (fwfisf <0 mean melting)
1423
1424	IF( ln_mixcpl ) THEN ; emp(:,:) = emp(:,:) * xcplmask(:,:,0) + zemp(:,:) * zmsk(:,:)
1425	ELSE ; emp(:,:) = zemp(:,:)
1426	ENDIF
1427	!
1428	! ! non solar heat flux over the ocean (qns)
1429	IF( srcv(jpr_qnsoce)%laction ) THEN ; zqns(:,:) = frcv(jpr_qnsoce)%z3(:,:,1)
1430	ELSE IF( srcv(jpr_qnsmix)%laction ) THEN ; zqns(:,:) = frcv(jpr_qnsmix)%z3(:,:,1)
1431	ELSE ; zqns(:,:) = 0._wp
1432	END IF
1433	! update qns over the free ocean with:
1434	IF( nn_components /= jp_iam_opa ) THEN
1435	zqns(:,:) = zqns(:,:) - zemp(:,:) * sst_m(:,:) * rcp ! remove heat content due to mass flux (assumed to be at SST)
1436	IF( srcv(jpr_snow )%laction ) THEN
1437	zqns(:,:) = zqns(:,:) - frcv(jpr_snow)%z3(:,:,1) * rLfus ! energy for melting solid precipitation over the free ocean
1438	ENDIF
1439	ENDIF
1440	!
1441	IF( srcv(jpr_icb)%laction ) zqns(:,:) = zqns(:,:) - frcv(jpr_icb)%z3(:,:,1) * rLfus ! remove heat content associated to iceberg melting
1442	!
1443	IF( ln_mixcpl ) THEN ; qns(:,:) = qns(:,:) * xcplmask(:,:,0) + zqns(:,:) * zmsk(:,:)
1444	ELSE ; qns(:,:) = zqns(:,:)
1445	ENDIF
1446
1447	! ! solar flux over the ocean (qsr)
1448	IF ( srcv(jpr_qsroce)%laction ) THEN ; zqsr(:,:) = frcv(jpr_qsroce)%z3(:,:,1)
1449	ELSE IF( srcv(jpr_qsrmix)%laction ) then ; zqsr(:,:) = frcv(jpr_qsrmix)%z3(:,:,1)
1450	ELSE ; zqsr(:,:) = 0._wp
1451	ENDIF
1452	IF( ln_dm2dc .AND. ln_cpl ) zqsr(:,:) = sbc_dcy( zqsr ) ! modify qsr to include the diurnal cycle
1453	IF( ln_mixcpl ) THEN ; qsr(:,:) = qsr(:,:) * xcplmask(:,:,0) + zqsr(:,:) * zmsk(:,:)
1454	ELSE ; qsr(:,:) = zqsr(:,:)
1455	ENDIF
1456	!
1457	! salt flux over the ocean (received by opa in case of opa <-> sas coupling)
1458	IF( srcv(jpr_sflx )%laction ) sfx(:,:) = frcv(jpr_sflx )%z3(:,:,1)
1459	! Ice cover (received by opa in case of opa <-> sas coupling)
1460	IF( srcv(jpr_fice )%laction ) fr_i(:,:) = frcv(jpr_fice )%z3(:,:,1)
1461	!
1462	ENDIF
1463	!
1464	END SUBROUTINE sbc_cpl_rcv
1465
1466
1467	SUBROUTINE sbc_cpl_ice_tau( p_taui, p_tauj )
1468	!!----------------------------------------------------------------------
1469	!! * ROUTINE sbc_cpl_ice_tau *
1470	!!
1471	!! ** Purpose : provide the stress over sea-ice in coupled mode
1472	!!
1473	!! ** Method : transform the received stress from the atmosphere into
1474	!! an atmosphere-ice stress in the (i,j) ocean referencial
1475	!! and at the velocity point of the sea-ice model:
1476	!! 'C'-grid : i- (j-) components given at U- (V-) point
1477	!!
1478	!! The received stress are :
1479	!! - defined by 3 components (if cartesian coordinate)
1480	!! or by 2 components (if spherical)
1481	!! - oriented along geographical coordinate (if eastward-northward)
1482	!! or along the local grid coordinate (if local grid)
1483	!! - given at U- and V-point, resp. if received on 2 grids
1484	!! or at a same point (T or I) if received on 1 grid
1485	!! Therefore and if necessary, they are successively
1486	!! processed in order to obtain them
1487	!! first as 2 components on the sphere
1488	!! second as 2 components oriented along the local grid
1489	!! third as 2 components on the ice grid point
1490	!!
1491	!! Except in 'oce and ice' case, only one vector stress field
1492	!! is received. It has already been processed in sbc_cpl_rcv
1493	!! so that it is now defined as (i,j) components given at U-
1494	!! and V-points, respectively.
1495	!!
1496	!! ** Action : return ptau_i, ptau_j, the stress over the ice
1497	!!----------------------------------------------------------------------
1498	REAL(wp), INTENT(out), DIMENSION(:,:) :: p_taui ! i- & j-components of atmos-ice stress [N/m2]
1499	REAL(wp), INTENT(out), DIMENSION(:,:) :: p_tauj ! at I-point (B-grid) or U & V-point (C-grid)
1500	!!
1501	INTEGER :: ji, jj ! dummy loop indices
1502	INTEGER :: itx ! index of taux over ice
1503	REAL(wp), DIMENSION(jpi,jpj) :: ztx, zty
1504	!!----------------------------------------------------------------------
1505	!
1506	IF( srcv(jpr_itx1)%laction ) THEN ; itx = jpr_itx1
1507	ELSE ; itx = jpr_otx1
1508	ENDIF
1509
1510	! do something only if we just received the stress from atmosphere
1511	IF( nrcvinfo(itx) == OASIS_Rcv ) THEN
1512	! ! ======================= !
1513	IF( srcv(jpr_itx1)%laction ) THEN ! ice stress received !
1514	! ! ======================= !
1515	!
1516	IF( TRIM( sn_rcv_tau%clvref ) == 'cartesian' ) THEN ! 2 components on the sphere
1517	! ! (cartesian to spherical -> 3 to 2 components)
1518	CALL geo2oce( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), frcv(jpr_itz1)%z3(:,:,1), &
1519	& srcv(jpr_itx1)%clgrid, ztx, zty )
1520	frcv(jpr_itx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 1st grid
1521	frcv(jpr_ity1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 1st grid
1522	!
1523	IF( srcv(jpr_itx2)%laction ) THEN
1524	CALL geo2oce( frcv(jpr_itx2)%z3(:,:,1), frcv(jpr_ity2)%z3(:,:,1), frcv(jpr_itz2)%z3(:,:,1), &
1525	& srcv(jpr_itx2)%clgrid, ztx, zty )
1526	frcv(jpr_itx2)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 2nd grid
1527	frcv(jpr_ity2)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 2nd grid
1528	ENDIF
1529	!
1530	ENDIF
1531	!
1532	IF( TRIM( sn_rcv_tau%clvor ) == 'eastward-northward' ) THEN ! 2 components oriented along the local grid
1533	! ! (geographical to local grid -> rotate the components)
1534	CALL rot_rep( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), srcv(jpr_itx1)%clgrid, 'en->i', ztx )
1535	IF( srcv(jpr_itx2)%laction ) THEN
1536	CALL rot_rep( frcv(jpr_itx2)%z3(:,:,1), frcv(jpr_ity2)%z3(:,:,1), srcv(jpr_itx2)%clgrid, 'en->j', zty )
1537	ELSE
1538	CALL rot_rep( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), srcv(jpr_itx1)%clgrid, 'en->j', zty )
1539	ENDIF
1540	frcv(jpr_itx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st component on the 1st grid
1541	frcv(jpr_ity1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd component on the 1st grid
1542	ENDIF
1543	! ! ======================= !
1544	ELSE ! use ocean stress !
1545	! ! ======================= !
1546	frcv(jpr_itx1)%z3(:,:,1) = frcv(jpr_otx1)%z3(:,:,1)
1547	frcv(jpr_ity1)%z3(:,:,1) = frcv(jpr_oty1)%z3(:,:,1)
1548	!
1549	ENDIF
1550	! ! ======================= !
1551	! ! put on ice grid !
1552	! ! ======================= !
1553	!
1554	! j+1 j -----V---F
1555	! ice stress on ice velocity point ! \|
1556	! (C-grid ==>(U,V)) j \| T U
1557	! \| \|
1558	! j j-1 -I-------\|
1559	! (for I) \| \|
1560	! i-1 i i
1561	! i i+1 (for I)
1562	SELECT CASE ( srcv(jpr_itx1)%clgrid )
1563	CASE( 'U' )
1564	p_taui(:,:) = frcv(jpr_itx1)%z3(:,:,1) ! (U,V) ==> (U,V)
1565	p_tauj(:,:) = frcv(jpr_ity1)%z3(:,:,1)
1566	CASE( 'F' )
1567	DO jj = 2, jpjm1 ! F ==> (U,V)
1568	DO ji = fs_2, fs_jpim1 ! vector opt.
1569	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji,jj,1) + frcv(jpr_itx1)%z3(ji ,jj-1,1) )
1570	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji,jj,1) + frcv(jpr_ity1)%z3(ji-1,jj ,1) )
1571	END DO
1572	END DO
1573	CASE( 'T' )
1574	DO jj = 2, jpjm1 ! T ==> (U,V)
1575	DO ji = fs_2, fs_jpim1 ! vector opt.
1576	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji+1,jj ,1) + frcv(jpr_itx1)%z3(ji,jj,1) )
1577	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji ,jj+1,1) + frcv(jpr_ity1)%z3(ji,jj,1) )
1578	END DO
1579	END DO
1580	CASE( 'I' )
1581	DO jj = 2, jpjm1 ! I ==> (U,V)
1582	DO ji = 2, jpim1 ! NO vector opt.
1583	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji+1,jj+1,1) + frcv(jpr_itx1)%z3(ji+1,jj ,1) )
1584	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji+1,jj+1,1) + frcv(jpr_ity1)%z3(ji ,jj+1,1) )
1585	END DO
1586	END DO
1587	END SELECT
1588	IF( srcv(jpr_itx1)%clgrid /= 'U' ) THEN
1589	CALL lbc_lnk_multi( 'sbccpl', p_taui, 'U', -1., p_tauj, 'V', -1. )
1590	ENDIF
1591
1592	ENDIF
1593	!
1594	END SUBROUTINE sbc_cpl_ice_tau
1595
1596
1597	SUBROUTINE sbc_cpl_ice_flx( picefr, palbi, psst, pist, phs, phi )
1598	!!----------------------------------------------------------------------
1599	!! * ROUTINE sbc_cpl_ice_flx *
1600	!!
1601	!! ** Purpose : provide the heat and freshwater fluxes of the ocean-ice system
1602	!!
1603	!! ** Method : transform the fields received from the atmosphere into
1604	!! surface heat and fresh water boundary condition for the
1605	!! ice-ocean system. The following fields are provided:
1606	!! * total non solar, solar and freshwater fluxes (qns_tot,
1607	!! qsr_tot and emp_tot) (total means weighted ice-ocean flux)
1608	!! NB: emp_tot include runoffs and calving.
1609	!! * fluxes over ice (qns_ice, qsr_ice, emp_ice) where
1610	!! emp_ice = sublimation - solid precipitation as liquid
1611	!! precipitation are re-routed directly to the ocean and
1612	!! calving directly enter the ocean (runoffs are read but included in trasbc.F90)
1613	!! * solid precipitation (sprecip), used to add to qns_tot
1614	!! the heat lost associated to melting solid precipitation
1615	!! over the ocean fraction.
1616	!! * heat content of rain, snow and evap can also be provided,
1617	!! otherwise heat flux associated with these mass flux are
1618	!! guessed (qemp_oce, qemp_ice)
1619	!!
1620	!! - the fluxes have been separated from the stress as
1621	!! (a) they are updated at each ice time step compare to
1622	!! an update at each coupled time step for the stress, and
1623	!! (b) the conservative computation of the fluxes over the
1624	!! sea-ice area requires the knowledge of the ice fraction
1625	!! after the ice advection and before the ice thermodynamics,
1626	!! so that the stress is updated before the ice dynamics
1627	!! while the fluxes are updated after it.
1628	!!
1629	!! ** Details
1630	!! qns_tot = (1-a) * qns_oce + a * qns_ice => provided
1631	!! + qemp_oce + qemp_ice => recalculated and added up to qns
1632	!!
1633	!! qsr_tot = (1-a) * qsr_oce + a * qsr_ice => provided
1634	!!
1635	!! emp_tot = emp_oce + emp_ice => calving is provided and added to emp_tot (and emp_oce).
1636	!! runoff (which includes rivers+icebergs) and iceshelf
1637	!! are provided but not included in emp here. Only runoff will
1638	!! be included in emp in other parts of NEMO code
1639	!! ** Action : update at each nf_ice time step:
1640	!! qns_tot, qsr_tot non-solar and solar total heat fluxes
1641	!! qns_ice, qsr_ice non-solar and solar heat fluxes over the ice
1642	!! emp_tot total evaporation - precipitation(liquid and solid) (-calving)
1643	!! emp_ice ice sublimation - solid precipitation over the ice
1644	!! dqns_ice d(non-solar heat flux)/d(Temperature) over the ice
1645	!! sprecip solid precipitation over the ocean
1646	!!----------------------------------------------------------------------
1647	REAL(wp), INTENT(in), DIMENSION(:,:) :: picefr ! ice fraction [0 to 1]
1648	! !! ! optional arguments, used only in 'mixed oce-ice' case
1649	REAL(wp), INTENT(in), DIMENSION(:,:,:), OPTIONAL :: palbi ! all skies ice albedo
1650	REAL(wp), INTENT(in), DIMENSION(:,: ), OPTIONAL :: psst ! sea surface temperature [Celsius]
1651	REAL(wp), INTENT(in), DIMENSION(:,:,:), OPTIONAL :: pist ! ice surface temperature [Kelvin]
1652	REAL(wp), INTENT(in), DIMENSION(:,:,:), OPTIONAL :: phs ! snow depth [m]
1653	REAL(wp), INTENT(in), DIMENSION(:,:,:), OPTIONAL :: phi ! ice thickness [m]
1654	!
1655	INTEGER :: ji, jj, jl ! dummy loop index
1656	REAL(wp) :: ztri ! local scalar
1657	REAL(wp), DIMENSION(jpi,jpj) :: zcptn, zcptrain, zcptsnw, ziceld, zmsk, zsnw
1658	REAL(wp), DIMENSION(jpi,jpj) :: zemp_tot, zemp_ice, zemp_oce, ztprecip, zsprecip , zevap_oce, zdevap_ice
1659	REAL(wp), DIMENSION(jpi,jpj) :: zqns_tot, zqns_oce, zqsr_tot, zqsr_oce, zqprec_ice, zqemp_oce, zqemp_ice
1660	REAL(wp), DIMENSION(jpi,jpj,jpl) :: zqns_ice, zqsr_ice, zdqns_ice, zqevap_ice, zevap_ice !!gm , zfrqsr_tr_i
1661	!!----------------------------------------------------------------------
1662	!
1663	IF( ln_mixcpl ) zmsk(:,:) = 1. - xcplmask(:,:,0)
1664	ziceld(:,:) = 1._wp - picefr(:,:)
1665	zcptn (:,:) = rcp * sst_m(:,:)
1666	!
1667	! ! ========================= !
1668	! ! freshwater budget ! (emp_tot)
1669	! ! ========================= !
1670	!
1671	! ! solid Precipitation (sprecip)
1672	! ! liquid + solid Precipitation (tprecip)
1673	! ! total Evaporation - total Precipitation (emp_tot)
1674	! ! sublimation - solid precipitation (cell average) (emp_ice)
1675	SELECT CASE( TRIM( sn_rcv_emp%cldes ) )
1676	CASE( 'conservative' ) ! received fields: jpr_rain, jpr_snow, jpr_ievp, jpr_tevp
1677	zsprecip(:,:) = frcv(jpr_snow)%z3(:,:,1) ! May need to ensure positive here
1678	ztprecip(:,:) = frcv(jpr_rain)%z3(:,:,1) + zsprecip(:,:) ! May need to ensure positive here
1679	zemp_tot(:,:) = frcv(jpr_tevp)%z3(:,:,1) - ztprecip(:,:)
1680	zemp_ice(:,:) = ( frcv(jpr_ievp)%z3(:,:,1) - frcv(jpr_snow)%z3(:,:,1) ) * picefr(:,:)
1681	CASE( 'oce and ice' ) ! received fields: jpr_sbpr, jpr_semp, jpr_oemp, jpr_ievp
1682	zemp_tot(:,:) = ziceld(:,:) * frcv(jpr_oemp)%z3(:,:,1) + picefr(:,:) * frcv(jpr_sbpr)%z3(:,:,1)
1683	zemp_ice(:,:) = frcv(jpr_semp)%z3(:,:,1) * picefr(:,:)
1684	zsprecip(:,:) = frcv(jpr_ievp)%z3(:,:,1) - frcv(jpr_semp)%z3(:,:,1)
1685	ztprecip(:,:) = frcv(jpr_semp)%z3(:,:,1) - frcv(jpr_sbpr)%z3(:,:,1) + zsprecip(:,:)
1686	CASE( 'none' ) ! Not available as for now: needs additional coding below when computing zevap_oce
1687	! ! since fields received are not defined with none option
1688	CALL ctl_stop( 'STOP', 'sbccpl/sbc_cpl_ice_flx: some fields are not defined. Change sn_rcv_emp value in namelist namsbc_cpl' )
1689	END SELECT
1690
1691	#if defined key_si3
1692	! zsnw = snow fraction over ice after wind blowing (=picefr if no blowing)
1693	zsnw(:,:) = 0._wp ; CALL ice_thd_snwblow( ziceld, zsnw )
1694
1695	! --- evaporation minus precipitation corrected (because of wind blowing on snow) --- !
1696	zemp_ice(:,:) = zemp_ice(:,:) + zsprecip(:,:) * ( picefr(:,:) - zsnw(:,:) ) ! emp_ice = A * sublimation - zsnw * sprecip
1697	zemp_oce(:,:) = zemp_tot(:,:) - zemp_ice(:,:) ! emp_oce = emp_tot - emp_ice
1698
1699	! --- evaporation over ocean (used later for qemp) --- !
1700	zevap_oce(:,:) = frcv(jpr_tevp)%z3(:,:,1) - frcv(jpr_ievp)%z3(:,:,1) * picefr(:,:)
1701
1702	! --- evaporation over ice (kg/m2/s) --- !
1703	DO jl=1,jpl
1704	IF (sn_rcv_emp%clcat == 'yes') THEN ; zevap_ice(:,:,jl) = frcv(jpr_ievp)%z3(:,:,jl)
1705	ELSE ; zevap_ice(:,:,jl) = frcv(jpr_ievp)%z3(:,:,1 ) ; ENDIF
1706	ENDDO
1707
1708	! since the sensitivity of evap to temperature (devap/dT) is not prescribed by the atmosphere, we set it to 0
1709	! therefore, sublimation is not redistributed over the ice categories when no subgrid scale fluxes are provided by atm.
1710	zdevap_ice(:,:) = 0._wp
1711
1712	! --- Continental fluxes --- !
1713	IF( srcv(jpr_rnf)%laction ) THEN ! runoffs (included in emp later on)
1714	rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1715	ENDIF
1716	IF( srcv(jpr_cal)%laction ) THEN ! calving (put in emp_tot and emp_oce)
1717	zemp_tot(:,:) = zemp_tot(:,:) - frcv(jpr_cal)%z3(:,:,1)
1718	zemp_oce(:,:) = zemp_oce(:,:) - frcv(jpr_cal)%z3(:,:,1)
1719	ENDIF
1720	IF( srcv(jpr_icb)%laction ) THEN ! iceberg added to runoffs
1721	fwficb(:,:) = frcv(jpr_icb)%z3(:,:,1)
1722	rnf(:,:) = rnf(:,:) + fwficb(:,:)
1723	ENDIF
1724	IF( srcv(jpr_isf)%laction ) THEN ! iceshelf (fwfisf <0 mean melting)
1725	fwfisf(:,:) = - frcv(jpr_isf)%z3(:,:,1)
1726	ENDIF
1727
1728	IF( ln_mixcpl ) THEN
1729	emp_tot(:,:) = emp_tot(:,:) * xcplmask(:,:,0) + zemp_tot(:,:) * zmsk(:,:)
1730	emp_ice(:,:) = emp_ice(:,:) * xcplmask(:,:,0) + zemp_ice(:,:) * zmsk(:,:)
1731	emp_oce(:,:) = emp_oce(:,:) * xcplmask(:,:,0) + zemp_oce(:,:) * zmsk(:,:)
1732	sprecip(:,:) = sprecip(:,:) * xcplmask(:,:,0) + zsprecip(:,:) * zmsk(:,:)
1733	tprecip(:,:) = tprecip(:,:) * xcplmask(:,:,0) + ztprecip(:,:) * zmsk(:,:)
1734	DO jl = 1, jpl
1735	evap_ice (:,:,jl) = evap_ice (:,:,jl) * xcplmask(:,:,0) + zevap_ice (:,:,jl) * zmsk(:,:)
1736	devap_ice(:,:,jl) = devap_ice(:,:,jl) * xcplmask(:,:,0) + zdevap_ice(:,:) * zmsk(:,:)
1737	END DO
1738	ELSE
1739	emp_tot (:,:) = zemp_tot (:,:)
1740	emp_ice (:,:) = zemp_ice (:,:)
1741	emp_oce (:,:) = zemp_oce (:,:)
1742	sprecip (:,:) = zsprecip (:,:)
1743	tprecip (:,:) = ztprecip (:,:)
1744	evap_ice(:,:,:) = zevap_ice(:,:,:)
1745	DO jl = 1, jpl
1746	devap_ice(:,:,jl) = zdevap_ice(:,:)
1747	END DO
1748	ENDIF
1749
1750	#else
1751	zsnw(:,:) = picefr(:,:)
1752	! --- Continental fluxes --- !
1753	IF( srcv(jpr_rnf)%laction ) THEN ! runoffs (included in emp later on)
1754	rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1755	ENDIF
1756	IF( srcv(jpr_cal)%laction ) THEN ! calving (put in emp_tot)
1757	zemp_tot(:,:) = zemp_tot(:,:) - frcv(jpr_cal)%z3(:,:,1)
1758	ENDIF
1759	IF( srcv(jpr_icb)%laction ) THEN ! iceberg added to runoffs
1760	fwficb(:,:) = frcv(jpr_icb)%z3(:,:,1)
1761	rnf(:,:) = rnf(:,:) + fwficb(:,:)
1762	ENDIF
1763	IF( srcv(jpr_isf)%laction ) THEN ! iceshelf (fwfisf <0 mean melting)
1764	fwfisf(:,:) = - frcv(jpr_isf)%z3(:,:,1)
1765	ENDIF
1766	!
1767	IF( ln_mixcpl ) THEN
1768	emp_tot(:,:) = emp_tot(:,:) * xcplmask(:,:,0) + zemp_tot(:,:) * zmsk(:,:)
1769	emp_ice(:,:) = emp_ice(:,:) * xcplmask(:,:,0) + zemp_ice(:,:) * zmsk(:,:)
1770	sprecip(:,:) = sprecip(:,:) * xcplmask(:,:,0) + zsprecip(:,:) * zmsk(:,:)
1771	tprecip(:,:) = tprecip(:,:) * xcplmask(:,:,0) + ztprecip(:,:) * zmsk(:,:)
1772	ELSE
1773	emp_tot(:,:) = zemp_tot(:,:)
1774	emp_ice(:,:) = zemp_ice(:,:)
1775	sprecip(:,:) = zsprecip(:,:)
1776	tprecip(:,:) = ztprecip(:,:)
1777	ENDIF
1778	!
1779	#endif
1780
1781	! outputs
1782	!! IF( srcv(jpr_rnf)%laction ) CALL iom_put( 'runoffs' , rnf(:,:) * tmask(:,:,1) ) ! runoff
1783	!! IF( srcv(jpr_isf)%laction ) CALL iom_put( 'iceshelf_cea', -fwfisf(:,:) * tmask(:,:,1) ) ! iceshelf
1784	IF( srcv(jpr_cal)%laction ) CALL iom_put( 'calving_cea' , frcv(jpr_cal)%z3(:,:,1) * tmask(:,:,1) ) ! calving
1785	IF( srcv(jpr_icb)%laction ) CALL iom_put( 'iceberg_cea' , frcv(jpr_icb)%z3(:,:,1) * tmask(:,:,1) ) ! icebergs
1786	IF( iom_use('snowpre') ) CALL iom_put( 'snowpre' , sprecip(:,:) ) ! Snow
1787	IF( iom_use('precip') ) CALL iom_put( 'precip' , tprecip(:,:) ) ! total precipitation
1788	IF( iom_use('rain') ) CALL iom_put( 'rain' , tprecip(:,:) - sprecip(:,:) ) ! liquid precipitation
1789	IF( iom_use('snow_ao_cea') ) CALL iom_put( 'snow_ao_cea' , sprecip(:,:) * ( 1._wp - zsnw(:,:) ) ) ! Snow over ice-free ocean (cell average)
1790	IF( iom_use('snow_ai_cea') ) CALL iom_put( 'snow_ai_cea' , sprecip(:,:) * zsnw(:,:) ) ! Snow over sea-ice (cell average)
1791	IF( iom_use('subl_ai_cea') ) CALL iom_put( 'subl_ai_cea' , frcv(jpr_ievp)%z3(:,:,1) * picefr(:,:) * tmask(:,:,1) ) ! Sublimation over sea-ice (cell average)
1792	IF( iom_use('evap_ao_cea') ) CALL iom_put( 'evap_ao_cea' , ( frcv(jpr_tevp)%z3(:,:,1) &
1793	& - frcv(jpr_ievp)%z3(:,:,1) * picefr(:,:) ) * tmask(:,:,1) ) ! ice-free oce evap (cell average)
1794	! note: runoff output is done in sbcrnf (which includes icebergs too) and iceshelf output is done in sbcisf
1795	!
1796	! ! ========================= !
1797	SELECT CASE( TRIM( sn_rcv_qns%cldes ) ) ! non solar heat fluxes ! (qns)
1798	! ! ========================= !
1799	CASE( 'oce only' ) ! the required field is directly provided
1800	zqns_tot(:,:) = frcv(jpr_qnsoce)%z3(:,:,1)
1801	CASE( 'conservative' ) ! the required fields are directly provided
1802	zqns_tot(:,:) = frcv(jpr_qnsmix)%z3(:,:,1)
1803	IF ( TRIM(sn_rcv_qns%clcat) == 'yes' ) THEN
1804	zqns_ice(:,:,1:jpl) = frcv(jpr_qnsice)%z3(:,:,1:jpl)
1805	ELSE
1806	DO jl = 1, jpl
1807	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,1) ! Set all category values equal
1808	END DO
1809	ENDIF
1810	CASE( 'oce and ice' ) ! the total flux is computed from ocean and ice fluxes
1811	zqns_tot(:,:) = ziceld(:,:) * frcv(jpr_qnsoce)%z3(:,:,1)
1812	IF ( TRIM(sn_rcv_qns%clcat) == 'yes' ) THEN
1813	DO jl=1,jpl
1814	zqns_tot(:,: ) = zqns_tot(:,:) + a_i(:,:,jl) * frcv(jpr_qnsice)%z3(:,:,jl)
1815	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,jl)
1816	ENDDO
1817	ELSE
1818	qns_tot(:,:) = qns_tot(:,:) + picefr(:,:) * frcv(jpr_qnsice)%z3(:,:,1)
1819	DO jl = 1, jpl
1820	zqns_tot(:,: ) = zqns_tot(:,:) + picefr(:,:) * frcv(jpr_qnsice)%z3(:,:,1)
1821	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,1)
1822	END DO
1823	ENDIF
1824	CASE( 'mixed oce-ice' ) ! the ice flux is cumputed from the total flux, the SST and ice informations
1825	! NEED TO SORT OUT HOW THIS SHOULD WORK IN THE MULTI-CATEGORY CASE - CURRENTLY NOT ALLOWED WHEN INTERFACE INITIALISED
1826	zqns_tot(:,: ) = frcv(jpr_qnsmix)%z3(:,:,1)
1827	zqns_ice(:,:,1) = frcv(jpr_qnsmix)%z3(:,:,1) &
1828	& + frcv(jpr_dqnsdt)%z3(:,:,1) * ( pist(:,:,1) - ( (rt0 + psst(:,: ) ) * ziceld(:,:) &
1829	& + pist(:,:,1) * picefr(:,:) ) )
1830	END SELECT
1831	!
1832	! --- calving (removed from qns_tot) --- !
1833	IF( srcv(jpr_cal)%laction ) zqns_tot(:,:) = zqns_tot(:,:) - frcv(jpr_cal)%z3(:,:,1) * rLfus ! remove latent heat of calving
1834	! we suppose it melts at 0deg, though it should be temp. of surrounding ocean
1835	! --- iceberg (removed from qns_tot) --- !
1836	IF( srcv(jpr_icb)%laction ) zqns_tot(:,:) = zqns_tot(:,:) - frcv(jpr_icb)%z3(:,:,1) * rLfus ! remove latent heat of iceberg melting
1837
1838	#if defined key_si3
1839	! --- non solar flux over ocean --- !
1840	! note: ziceld cannot be = 0 since we limit the ice concentration to amax
1841	zqns_oce = 0._wp
1842	WHERE( ziceld /= 0._wp ) zqns_oce(:,:) = ( zqns_tot(:,:) - SUM( a_i * zqns_ice, dim=3 ) ) / ziceld(:,:)
1843
1844	! Heat content per unit mass of snow (J/kg)
1845	WHERE( SUM( a_i, dim=3 ) > 1.e-10 ) ; zcptsnw(:,:) = rcpi * SUM( (tn_ice - rt0) * a_i, dim=3 ) / SUM( a_i, dim=3 )
1846	ELSEWHERE ; zcptsnw(:,:) = zcptn(:,:)
1847	ENDWHERE
1848	! Heat content per unit mass of rain (J/kg)
1849	zcptrain(:,:) = rcp * ( SUM( (tn_ice(:,:,:) - rt0) * a_i(:,:,:), dim=3 ) + sst_m(:,:) * ziceld(:,:) )
1850
1851	! --- enthalpy of snow precip over ice in J/m3 (to be used in 1D-thermo) --- !
1852	zqprec_ice(:,:) = rhos * ( zcptsnw(:,:) - rLfus )
1853
1854	! --- heat content of evap over ice in W/m2 (to be used in 1D-thermo) --- !
1855	DO jl = 1, jpl
1856	zqevap_ice(:,:,jl) = 0._wp ! should be -evap * ( ( Tice - rt0 ) * rcpi ) but atm. does not take it into account
1857	END DO
1858
1859	! --- heat flux associated with emp (W/m2) --- !
1860	zqemp_oce(:,:) = - zevap_oce(:,:) * zcptn (:,:) & ! evap
1861	& + ( ztprecip(:,:) - zsprecip(:,:) ) * zcptrain(:,:) & ! liquid precip
1862	& + zsprecip(:,:) * ( 1._wp - zsnw ) * ( zcptsnw (:,:) - rLfus ) ! solid precip over ocean + snow melting
1863	zqemp_ice(:,:) = zsprecip(:,:) * zsnw * ( zcptsnw (:,:) - rLfus ) ! solid precip over ice (qevap_ice=0 since atm. does not take it into account)
1864	!! zqemp_ice(:,:) = - frcv(jpr_ievp)%z3(:,:,1) * picefr(:,:) * zcptsnw (:,:) & ! ice evap
1865	!! & + zsprecip(:,:) * zsnw * zqprec_ice(:,:) * r1_rhos ! solid precip over ice
1866
1867	! --- total non solar flux (including evap/precip) --- !
1868	zqns_tot(:,:) = zqns_tot(:,:) + zqemp_ice(:,:) + zqemp_oce(:,:)
1869
1870	! --- in case both coupled/forced are active, we must mix values --- !
1871	IF( ln_mixcpl ) THEN
1872	qns_tot(:,:) = qns_tot(:,:) * xcplmask(:,:,0) + zqns_tot(:,:)* zmsk(:,:)
1873	qns_oce(:,:) = qns_oce(:,:) * xcplmask(:,:,0) + zqns_oce(:,:)* zmsk(:,:)
1874	DO jl=1,jpl
1875	qns_ice (:,:,jl) = qns_ice (:,:,jl) * xcplmask(:,:,0) + zqns_ice (:,:,jl)* zmsk(:,:)
1876	qevap_ice(:,:,jl) = qevap_ice(:,:,jl) * xcplmask(:,:,0) + zqevap_ice(:,:,jl)* zmsk(:,:)
1877	ENDDO
1878	qprec_ice(:,:) = qprec_ice(:,:) * xcplmask(:,:,0) + zqprec_ice(:,:)* zmsk(:,:)
1879	qemp_oce (:,:) = qemp_oce(:,:) * xcplmask(:,:,0) + zqemp_oce(:,:)* zmsk(:,:)
1880	qemp_ice (:,:) = qemp_ice(:,:) * xcplmask(:,:,0) + zqemp_ice(:,:)* zmsk(:,:)
1881	ELSE
1882	qns_tot (:,: ) = zqns_tot (:,: )
1883	qns_oce (:,: ) = zqns_oce (:,: )
1884	qns_ice (:,:,:) = zqns_ice (:,:,:)
1885	qevap_ice(:,:,:) = zqevap_ice(:,:,:)
1886	qprec_ice(:,: ) = zqprec_ice(:,: )
1887	qemp_oce (:,: ) = zqemp_oce (:,: )
1888	qemp_ice (:,: ) = zqemp_ice (:,: )
1889	ENDIF
1890
1891	#else
1892	zcptsnw (:,:) = zcptn(:,:)
1893	zcptrain(:,:) = zcptn(:,:)
1894
1895	! clem: this formulation is certainly wrong... but better than it was...
1896	zqns_tot(:,:) = zqns_tot(:,:) & ! zqns_tot update over free ocean with:
1897	& - ( ziceld(:,:) * zsprecip(:,:) * rLfus ) & ! remove the latent heat flux of solid precip. melting
1898	& - ( zemp_tot(:,:) & ! remove the heat content of mass flux (assumed to be at SST)
1899	& - zemp_ice(:,:) ) * zcptn(:,:)
1900
1901	IF( ln_mixcpl ) THEN
1902	qns_tot(:,:) = qns(:,:) * ziceld(:,:) + SUM( qns_ice(:,:,:) * a_i(:,:,:), dim=3 ) ! total flux from blk
1903	qns_tot(:,:) = qns_tot(:,:) * xcplmask(:,:,0) + zqns_tot(:,:)* zmsk(:,:)
1904	DO jl=1,jpl
1905	qns_ice(:,:,jl) = qns_ice(:,:,jl) * xcplmask(:,:,0) + zqns_ice(:,:,jl)* zmsk(:,:)
1906	ENDDO
1907	ELSE
1908	qns_tot(:,: ) = zqns_tot(:,: )
1909	qns_ice(:,:,:) = zqns_ice(:,:,:)
1910	ENDIF
1911
1912	#endif
1913	! outputs
1914	IF ( srcv(jpr_cal)%laction ) CALL iom_put('hflx_cal_cea' , - frcv(jpr_cal)%z3(:,:,1) * rLfus ) ! latent heat from calving
1915	IF ( srcv(jpr_icb)%laction ) CALL iom_put('hflx_icb_cea' , - frcv(jpr_icb)%z3(:,:,1) * rLfus ) ! latent heat from icebergs melting
1916	IF ( iom_use('hflx_rain_cea') ) CALL iom_put('hflx_rain_cea' , ( tprecip(:,:) - sprecip(:,:) ) * zcptrain(:,:) ) ! heat flux from rain (cell average)
1917	IF ( iom_use('hflx_evap_cea') ) CALL iom_put('hflx_evap_cea' , ( frcv(jpr_tevp)%z3(:,:,1) - frcv(jpr_ievp)%z3(:,:,1) &
1918	& * picefr(:,:) ) * zcptn(:,:) * tmask(:,:,1) ) ! heat flux from evap (cell average)
1919	IF ( iom_use('hflx_snow_cea') ) CALL iom_put('hflx_snow_cea' , sprecip(:,:) * ( zcptsnw(:,:) - rLfus ) ) ! heat flux from snow (cell average)
1920	IF ( iom_use('hflx_snow_ao_cea') ) CALL iom_put('hflx_snow_ao_cea', sprecip(:,:) * ( zcptsnw(:,:) - rLfus ) &
1921	& * ( 1._wp - zsnw(:,:) ) ) ! heat flux from snow (over ocean)
1922	IF ( iom_use('hflx_snow_ai_cea') ) CALL iom_put('hflx_snow_ai_cea', sprecip(:,:) * ( zcptsnw(:,:) - rLfus ) &
1923	& * zsnw(:,:) ) ! heat flux from snow (over ice)
1924	! note: hflx for runoff and iceshelf are done in sbcrnf and sbcisf resp.
1925	!
1926	! ! ========================= !
1927	SELECT CASE( TRIM( sn_rcv_qsr%cldes ) ) ! solar heat fluxes ! (qsr)
1928	! ! ========================= !
1929	CASE( 'oce only' )
1930	zqsr_tot(:,: ) = MAX( 0._wp , frcv(jpr_qsroce)%z3(:,:,1) )
1931	CASE( 'conservative' )
1932	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
1933	IF ( TRIM(sn_rcv_qsr%clcat) == 'yes' ) THEN
1934	zqsr_ice(:,:,1:jpl) = frcv(jpr_qsrice)%z3(:,:,1:jpl)
1935	ELSE
1936	! Set all category values equal for the moment
1937	DO jl = 1, jpl
1938	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,1)
1939	END DO
1940	ENDIF
1941	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
1942	zqsr_ice(:,:,1) = frcv(jpr_qsrice)%z3(:,:,1)
1943	CASE( 'oce and ice' )
1944	zqsr_tot(:,: ) = ziceld(:,:) * frcv(jpr_qsroce)%z3(:,:,1)
1945	IF ( TRIM(sn_rcv_qsr%clcat) == 'yes' ) THEN
1946	DO jl = 1, jpl
1947	zqsr_tot(:,: ) = zqsr_tot(:,:) + a_i(:,:,jl) * frcv(jpr_qsrice)%z3(:,:,jl)
1948	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,jl)
1949	END DO
1950	ELSE
1951	qsr_tot(:,: ) = qsr_tot(:,:) + picefr(:,:) * frcv(jpr_qsrice)%z3(:,:,1)
1952	DO jl = 1, jpl
1953	zqsr_tot(:,: ) = zqsr_tot(:,:) + picefr(:,:) * frcv(jpr_qsrice)%z3(:,:,1)
1954	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,1)
1955	END DO
1956	ENDIF
1957	CASE( 'mixed oce-ice' )
1958	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
1959	! NEED TO SORT OUT HOW THIS SHOULD WORK IN THE MULTI-CATEGORY CASE - CURRENTLY NOT ALLOWED WHEN INTERFACE INITIALISED
1960	! Create solar heat flux over ice using incoming solar heat flux and albedos
1961	! ( see OASIS3 user guide, 5th edition, p39 )
1962	zqsr_ice(:,:,1) = frcv(jpr_qsrmix)%z3(:,:,1) * ( 1.- palbi(:,:,1) ) &
1963	& / ( 1.- ( alb_oce_mix(:,: ) * ziceld(:,:) &
1964	& + palbi (:,:,1) * picefr(:,:) ) )
1965	CASE( 'none' ) ! Not available as for now: needs additional coding
1966	! ! since fields received, here zqsr_tot, are not defined with none option
1967	CALL ctl_stop( 'STOP', 'sbccpl/sbc_cpl_ice_flx: some fields are not defined. Change sn_rcv_qsr value in namelist namsbc_cpl' )
1968	END SELECT
1969	IF( ln_dm2dc .AND. ln_cpl ) THEN ! modify qsr to include the diurnal cycle
1970	zqsr_tot(:,: ) = sbc_dcy( zqsr_tot(:,: ) )
1971	DO jl = 1, jpl
1972	zqsr_ice(:,:,jl) = sbc_dcy( zqsr_ice(:,:,jl) )
1973	END DO
1974	ENDIF
1975
1976	#if defined key_si3
1977	! --- solar flux over ocean --- !
1978	! note: ziceld cannot be = 0 since we limit the ice concentration to amax
1979	zqsr_oce = 0._wp
1980	WHERE( ziceld /= 0._wp ) zqsr_oce(:,:) = ( zqsr_tot(:,:) - SUM( a_i * zqsr_ice, dim=3 ) ) / ziceld(:,:)
1981
1982	IF( ln_mixcpl ) THEN ; qsr_oce(:,:) = qsr_oce(:,:) * xcplmask(:,:,0) + zqsr_oce(:,:)* zmsk(:,:)
1983	ELSE ; qsr_oce(:,:) = zqsr_oce(:,:) ; ENDIF
1984	#endif
1985
1986	IF( ln_mixcpl ) THEN
1987	qsr_tot(:,:) = qsr(:,:) * ziceld(:,:) + SUM( qsr_ice(:,:,:) * a_i(:,:,:), dim=3 ) ! total flux from blk
1988	qsr_tot(:,:) = qsr_tot(:,:) * xcplmask(:,:,0) + zqsr_tot(:,:)* zmsk(:,:)
1989	DO jl = 1, jpl
1990	qsr_ice(:,:,jl) = qsr_ice(:,:,jl) * xcplmask(:,:,0) + zqsr_ice(:,:,jl)* zmsk(:,:)
1991	END DO
1992	ELSE
1993	qsr_tot(:,: ) = zqsr_tot(:,: )
1994	qsr_ice(:,:,:) = zqsr_ice(:,:,:)
1995	ENDIF
1996
1997	! ! ========================= !
1998	SELECT CASE( TRIM( sn_rcv_dqnsdt%cldes ) ) ! d(qns)/dt !
1999	! ! ========================= !
2000	CASE ('coupled')
2001	IF ( TRIM(sn_rcv_dqnsdt%clcat) == 'yes' ) THEN
2002	zdqns_ice(:,:,1:jpl) = frcv(jpr_dqnsdt)%z3(:,:,1:jpl)
2003	ELSE
2004	! Set all category values equal for the moment
2005	DO jl=1,jpl
2006	zdqns_ice(:,:,jl) = frcv(jpr_dqnsdt)%z3(:,:,1)
2007	ENDDO
2008	ENDIF
2009	END SELECT
2010
2011	IF( ln_mixcpl ) THEN
2012	DO jl=1,jpl
2013	dqns_ice(:,:,jl) = dqns_ice(:,:,jl) * xcplmask(:,:,0) + zdqns_ice(:,:,jl) * zmsk(:,:)
2014	ENDDO
2015	ELSE
2016	dqns_ice(:,:,:) = zdqns_ice(:,:,:)
2017	ENDIF
2018
2019	#if defined key_si3
2020	! ! ========================= !
2021	SELECT CASE( TRIM( sn_rcv_iceflx%cldes ) ) ! ice topmelt and botmelt !
2022	! ! ========================= !
2023	CASE ('coupled')
2024	qml_ice(:,:,:) = frcv(jpr_topm)%z3(:,:,:)
2025	qcn_ice(:,:,:) = frcv(jpr_botm)%z3(:,:,:)
2026	END SELECT
2027	!
2028	! ! ========================= !
2029	! ! Transmitted Qsr ! [W/m2]
2030	! ! ========================= !
2031	IF( .NOT.ln_cndflx ) THEN !== No conduction flux as surface forcing ==!
2032	!
2033	! ! ===> used prescribed cloud fraction representative for polar oceans in summer (0.81)
2034	ztri = 0.18 * ( 1.0 - cldf_ice ) + 0.35 * cldf_ice ! surface transmission parameter (Grenfell Maykut 77)
2035	!
2036	qtr_ice_top(:,:,:) = ztri * qsr_ice(:,:,:)
2037	WHERE( phs(:,:,:) >= 0.0_wp ) qtr_ice_top(:,:,:) = 0._wp ! snow fully opaque
2038	WHERE( phi(:,:,:) <= 0.1_wp ) qtr_ice_top(:,:,:) = qsr_ice(:,:,:) ! thin ice transmits all solar radiation
2039	!
2040	ELSEIF( ln_cndflx .AND. .NOT.ln_cndemulate ) THEN !== conduction flux as surface forcing ==!
2041	!
2042	SELECT CASE( TRIM( sn_rcv_qtr%cldes ) )
2043	!
2044	! ! ===> here we receive the qtr_ice_top array from the coupler
2045	CASE ('coupled')
2046	qtr_ice_top(:,:,:) = frcv(jpr_qtr)%z3(:,:,:)
2047
2048	! if we are not getting this data from the coupler then assume zero (fully opaque ice)
2049	CASE ('none')
2050	qtr_ice_top(:,:,:) = 0._wp
2051	END SELECT
2052	!
2053	ENDIF
2054	!
2055	#endif
2056	!
2057	END SUBROUTINE sbc_cpl_ice_flx
2058
2059
2060	SUBROUTINE sbc_cpl_snd( kt )
2061	!!----------------------------------------------------------------------
2062	!! * ROUTINE sbc_cpl_snd *
2063	!!
2064	!! ** Purpose : provide the ocean-ice informations to the atmosphere
2065	!!
2066	!! ** Method : send to the atmosphere through a call to cpl_snd
2067	!! all the needed fields (as defined in sbc_cpl_init)
2068	!!----------------------------------------------------------------------
2069	INTEGER, INTENT(in) :: kt
2070	!
2071	INTEGER :: ji, jj, jl ! dummy loop indices
2072	INTEGER :: isec, info ! local integer
2073	REAL(wp) :: zumax, zvmax
2074	REAL(wp), DIMENSION(jpi,jpj) :: zfr_l, ztmp1, ztmp2, zotx1, zoty1, zotz1, zitx1, zity1, zitz1
2075	REAL(wp), DIMENSION(jpi,jpj,jpl) :: ztmp3, ztmp4
2076	!!----------------------------------------------------------------------
2077	!
2078	isec = ( kt - nit000 ) * NINT( rdt ) ! date of exchanges
2079
2080	zfr_l(:,:) = 1.- fr_i(:,:)
2081	! ! ------------------------- !
2082	! ! Surface temperature ! in Kelvin
2083	! ! ------------------------- !
2084	IF( ssnd(jps_toce)%laction .OR. ssnd(jps_tice)%laction .OR. ssnd(jps_tmix)%laction ) THEN
2085
2086	IF ( nn_components == jp_iam_opa ) THEN
2087	ztmp1(:,:) = tsn(:,:,1,jp_tem) ! send temperature as it is (potential or conservative) -> use of l_useCT on the received part
2088	ELSE
2089	! we must send the surface potential temperature
2090	IF( l_useCT ) THEN ; ztmp1(:,:) = eos_pt_from_ct( tsn(:,:,1,jp_tem), tsn(:,:,1,jp_sal) )
2091	ELSE ; ztmp1(:,:) = tsn(:,:,1,jp_tem)
2092	ENDIF
2093	!
2094	SELECT CASE( sn_snd_temp%cldes)
2095	CASE( 'oce only' ) ; ztmp1(:,:) = ztmp1(:,:) + rt0
2096	CASE( 'oce and ice' ) ; ztmp1(:,:) = ztmp1(:,:) + rt0
2097	SELECT CASE( sn_snd_temp%clcat )
2098	CASE( 'yes' )
2099	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl)
2100	CASE( 'no' )
2101	WHERE( SUM( a_i, dim=3 ) /= 0. )
2102	ztmp3(:,:,1) = SUM( tn_ice * a_i, dim=3 ) / SUM( a_i, dim=3 )
2103	ELSEWHERE
2104	ztmp3(:,:,1) = rt0
2105	END WHERE
2106	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
2107	END SELECT
2108	CASE( 'weighted oce and ice' ) ; ztmp1(:,:) = ( ztmp1(:,:) + rt0 ) * zfr_l(:,:)
2109	SELECT CASE( sn_snd_temp%clcat )
2110	CASE( 'yes' )
2111	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2112	CASE( 'no' )
2113	ztmp3(:,:,:) = 0.0
2114	DO jl=1,jpl
2115	ztmp3(:,:,1) = ztmp3(:,:,1) + tn_ice(:,:,jl) * a_i(:,:,jl)
2116	ENDDO
2117	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
2118	END SELECT
2119	CASE( 'oce and weighted ice') ; ztmp1(:,:) = tsn(:,:,1,jp_tem) + rt0
2120	SELECT CASE( sn_snd_temp%clcat )
2121	CASE( 'yes' )
2122	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2123	CASE( 'no' )
2124	ztmp3(:,:,:) = 0.0
2125	DO jl=1,jpl
2126	ztmp3(:,:,1) = ztmp3(:,:,1) + tn_ice(:,:,jl) * a_i(:,:,jl)
2127	ENDDO
2128	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
2129	END SELECT
2130	CASE( 'mixed oce-ice' )
2131	ztmp1(:,:) = ( ztmp1(:,:) + rt0 ) * zfr_l(:,:)
2132	DO jl=1,jpl
2133	ztmp1(:,:) = ztmp1(:,:) + tn_ice(:,:,jl) * a_i(:,:,jl)
2134	ENDDO
2135	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%cldes' )
2136	END SELECT
2137	ENDIF
2138	IF( ssnd(jps_toce)%laction ) CALL cpl_snd( jps_toce, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2139	IF( ssnd(jps_tice)%laction ) CALL cpl_snd( jps_tice, isec, ztmp3, info )
2140	IF( ssnd(jps_tmix)%laction ) CALL cpl_snd( jps_tmix, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2141	ENDIF
2142	!
2143	! ! ------------------------- !
2144	! ! 1st layer ice/snow temp. !
2145	! ! ------------------------- !
2146	#if defined key_si3
2147	! needed by Met Office
2148	IF( ssnd(jps_ttilyr)%laction) THEN
2149	SELECT CASE( sn_snd_ttilyr%cldes)
2150	CASE ('weighted ice')
2151	ztmp3(:,:,1:jpl) = t1_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2152	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_ttilyr%cldes' )
2153	END SELECT
2154	IF( ssnd(jps_ttilyr)%laction ) CALL cpl_snd( jps_ttilyr, isec, ztmp3, info )
2155	ENDIF
2156	#endif
2157	! ! ------------------------- !
2158	! ! Albedo !
2159	! ! ------------------------- !
2160	IF( ssnd(jps_albice)%laction ) THEN ! ice
2161	SELECT CASE( sn_snd_alb%cldes )
2162	CASE( 'ice' )
2163	SELECT CASE( sn_snd_alb%clcat )
2164	CASE( 'yes' )
2165	ztmp3(:,:,1:jpl) = alb_ice(:,:,1:jpl)
2166	CASE( 'no' )
2167	WHERE( SUM( a_i, dim=3 ) /= 0. )
2168	ztmp1(:,:) = SUM( alb_ice (:,:,1:jpl) * a_i(:,:,1:jpl), dim=3 ) / SUM( a_i(:,:,1:jpl), dim=3 )
2169	ELSEWHERE
2170	ztmp1(:,:) = alb_oce_mix(:,:)
2171	END WHERE
2172	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_alb%clcat' )
2173	END SELECT
2174	CASE( 'weighted ice' ) ;
2175	SELECT CASE( sn_snd_alb%clcat )
2176	CASE( 'yes' )
2177	ztmp3(:,:,1:jpl) = alb_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2178	CASE( 'no' )
2179	WHERE( fr_i (:,:) > 0. )
2180	ztmp1(:,:) = SUM ( alb_ice(:,:,1:jpl) * a_i(:,:,1:jpl), dim=3 )
2181	ELSEWHERE
2182	ztmp1(:,:) = 0.
2183	END WHERE
2184	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_ice%clcat' )
2185	END SELECT
2186	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_alb%cldes' )
2187	END SELECT
2188
2189	SELECT CASE( sn_snd_alb%clcat )
2190	CASE( 'yes' )
2191	CALL cpl_snd( jps_albice, isec, ztmp3, info ) !-> MV this has never been checked in coupled mode
2192	CASE( 'no' )
2193	CALL cpl_snd( jps_albice, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2194	END SELECT
2195	ENDIF
2196
2197	IF( ssnd(jps_albmix)%laction ) THEN ! mixed ice-ocean
2198	ztmp1(:,:) = alb_oce_mix(:,:) * zfr_l(:,:)
2199	DO jl = 1, jpl
2200	ztmp1(:,:) = ztmp1(:,:) + alb_ice(:,:,jl) * a_i(:,:,jl)
2201	END DO
2202	CALL cpl_snd( jps_albmix, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2203	ENDIF
2204	! ! ------------------------- !
2205	! ! Ice fraction & Thickness !
2206	! ! ------------------------- !
2207	! Send ice fraction field to atmosphere
2208	IF( ssnd(jps_fice)%laction ) THEN
2209	SELECT CASE( sn_snd_thick%clcat )
2210	CASE( 'yes' ) ; ztmp3(:,:,1:jpl) = a_i(:,:,1:jpl)
2211	CASE( 'no' ) ; ztmp3(:,:,1 ) = fr_i(:,: )
2212	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
2213	END SELECT
2214	IF( ssnd(jps_fice)%laction ) CALL cpl_snd( jps_fice, isec, ztmp3, info )
2215	ENDIF
2216
2217	IF( ssnd(jps_fice1)%laction ) THEN
2218	SELECT CASE( sn_snd_thick1%clcat )
2219	CASE( 'yes' ) ; ztmp3(:,:,1:jpl) = a_i(:,:,1:jpl)
2220	CASE( 'no' ) ; ztmp3(:,:,1 ) = fr_i(:,: )
2221	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick1%clcat' )
2222	END SELECT
2223	CALL cpl_snd( jps_fice1, isec, ztmp3, info )
2224	ENDIF
2225
2226	! Send ice fraction field to OPA (sent by SAS in SAS-OPA coupling)
2227	IF( ssnd(jps_fice2)%laction ) THEN
2228	ztmp3(:,:,1) = fr_i(:,:)
2229	IF( ssnd(jps_fice2)%laction ) CALL cpl_snd( jps_fice2, isec, ztmp3, info )
2230	ENDIF
2231
2232	! Send ice and snow thickness field
2233	IF( ssnd(jps_hice)%laction .OR. ssnd(jps_hsnw)%laction ) THEN
2234	SELECT CASE( sn_snd_thick%cldes)
2235	CASE( 'none' ) ! nothing to do
2236	CASE( 'weighted ice and snow' )
2237	SELECT CASE( sn_snd_thick%clcat )
2238	CASE( 'yes' )
2239	ztmp3(:,:,1:jpl) = h_i(:,:,1:jpl) * a_i(:,:,1:jpl)
2240	ztmp4(:,:,1:jpl) = h_s(:,:,1:jpl) * a_i(:,:,1:jpl)
2241	CASE( 'no' )
2242	ztmp3(:,:,:) = 0.0 ; ztmp4(:,:,:) = 0.0
2243	DO jl=1,jpl
2244	ztmp3(:,:,1) = ztmp3(:,:,1) + h_i(:,:,jl) * a_i(:,:,jl)
2245	ztmp4(:,:,1) = ztmp4(:,:,1) + h_s(:,:,jl) * a_i(:,:,jl)
2246	ENDDO
2247	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
2248	END SELECT
2249	CASE( 'ice and snow' )
2250	SELECT CASE( sn_snd_thick%clcat )
2251	CASE( 'yes' )
2252	ztmp3(:,:,1:jpl) = h_i(:,:,1:jpl)
2253	ztmp4(:,:,1:jpl) = h_s(:,:,1:jpl)
2254	CASE( 'no' )
2255	WHERE( SUM( a_i, dim=3 ) /= 0. )
2256	ztmp3(:,:,1) = SUM( h_i * a_i, dim=3 ) / SUM( a_i, dim=3 )
2257	ztmp4(:,:,1) = SUM( h_s * a_i, dim=3 ) / SUM( a_i, dim=3 )
2258	ELSEWHERE
2259	ztmp3(:,:,1) = 0.
2260	ztmp4(:,:,1) = 0.
2261	END WHERE
2262	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
2263	END SELECT
2264	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%cldes' )
2265	END SELECT
2266	IF( ssnd(jps_hice)%laction ) CALL cpl_snd( jps_hice, isec, ztmp3, info )
2267	IF( ssnd(jps_hsnw)%laction ) CALL cpl_snd( jps_hsnw, isec, ztmp4, info )
2268	ENDIF
2269
2270	#if defined key_si3
2271	! ! ------------------------- !
2272	! ! Ice melt ponds !
2273	! ! ------------------------- !
2274	! needed by Met Office
2275	IF( ssnd(jps_a_p)%laction .OR. ssnd(jps_ht_p)%laction ) THEN
2276	SELECT CASE( sn_snd_mpnd%cldes)
2277	CASE( 'ice only' )
2278	SELECT CASE( sn_snd_mpnd%clcat )
2279	CASE( 'yes' )
2280	ztmp3(:,:,1:jpl) = a_ip(:,:,1:jpl)
2281	ztmp4(:,:,1:jpl) = v_ip(:,:,1:jpl)
2282	CASE( 'no' )
2283	ztmp3(:,:,:) = 0.0
2284	ztmp4(:,:,:) = 0.0
2285	DO jl=1,jpl
2286	ztmp3(:,:,1) = ztmp3(:,:,1) + a_ip(:,:,jpl)
2287	ztmp4(:,:,1) = ztmp4(:,:,1) + v_ip(:,:,jpl)
2288	ENDDO
2289	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_mpnd%clcat' )
2290	END SELECT
2291	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_mpnd%cldes' )
2292	END SELECT
2293	IF( ssnd(jps_a_p)%laction ) CALL cpl_snd( jps_a_p , isec, ztmp3, info )
2294	IF( ssnd(jps_ht_p)%laction ) CALL cpl_snd( jps_ht_p, isec, ztmp4, info )
2295	ENDIF
2296	!
2297	! ! ------------------------- !
2298	! ! Ice conductivity !
2299	! ! ------------------------- !
2300	! needed by Met Office
2301	IF( ssnd(jps_kice)%laction ) THEN
2302	SELECT CASE( sn_snd_cond%cldes)
2303	CASE( 'weighted ice' )
2304	SELECT CASE( sn_snd_cond%clcat )
2305	CASE( 'yes' )
2306	ztmp3(:,:,1:jpl) = cnd_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2307	CASE( 'no' )
2308	ztmp3(:,:,:) = 0.0
2309	DO jl=1,jpl
2310	ztmp3(:,:,1) = ztmp3(:,:,1) + cnd_ice(:,:,jl) * a_i(:,:,jl)
2311	ENDDO
2312	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_cond%clcat' )
2313	END SELECT
2314	CASE( 'ice only' )
2315	ztmp3(:,:,1:jpl) = cnd_ice(:,:,1:jpl)
2316	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_cond%cldes' )
2317	END SELECT
2318	IF( ssnd(jps_kice)%laction ) CALL cpl_snd( jps_kice, isec, ztmp3, info )
2319	ENDIF
2320	#endif
2321
2322	! ! ------------------------- !
2323	! ! CO2 flux from PISCES !
2324	! ! ------------------------- !
2325	IF( ssnd(jps_co2)%laction .AND. l_co2cpl ) CALL cpl_snd( jps_co2, isec, RESHAPE ( oce_co2, (/jpi,jpj,1/) ) , info )
2326	!
2327	! ! ------------------------- !
2328	IF( ssnd(jps_ocx1)%laction ) THEN ! Surface current !
2329	! ! ------------------------- !
2330	!
2331	! j+1 j -----V---F
2332	! surface velocity always sent from T point ! \|
2333	! j \| T U
2334	! \| \|
2335	! j j-1 -I-------\|
2336	! (for I) \| \|
2337	! i-1 i i
2338	! i i+1 (for I)
2339	IF( nn_components == jp_iam_opa ) THEN
2340	zotx1(:,:) = un(:,:,1)
2341	zoty1(:,:) = vn(:,:,1)
2342	ELSE
2343	SELECT CASE( TRIM( sn_snd_crt%cldes ) )
2344	CASE( 'oce only' ) ! C-grid ==> T
2345	DO jj = 2, jpjm1
2346	DO ji = fs_2, fs_jpim1 ! vector opt.
2347	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) )
2348	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) )
2349	END DO
2350	END DO
2351	CASE( 'weighted oce and ice' ) ! Ocean and Ice on C-grid ==> T
2352	DO jj = 2, jpjm1
2353	DO ji = fs_2, fs_jpim1 ! vector opt.
2354	zotx1(ji,jj) = 0.5 * ( un (ji,jj,1) + un (ji-1,jj ,1) ) * zfr_l(ji,jj)
2355	zoty1(ji,jj) = 0.5 * ( vn (ji,jj,1) + vn (ji ,jj-1,1) ) * zfr_l(ji,jj)
2356	zitx1(ji,jj) = 0.5 * ( u_ice(ji,jj ) + u_ice(ji-1,jj ) ) * fr_i(ji,jj)
2357	zity1(ji,jj) = 0.5 * ( v_ice(ji,jj ) + v_ice(ji ,jj-1 ) ) * fr_i(ji,jj)
2358	END DO
2359	END DO
2360	CALL lbc_lnk_multi( 'sbccpl', zitx1, 'T', -1., zity1, 'T', -1. )
2361	CASE( 'mixed oce-ice' ) ! Ocean and Ice on C-grid ==> T
2362	DO jj = 2, jpjm1
2363	DO ji = fs_2, fs_jpim1 ! vector opt.
2364	zotx1(ji,jj) = 0.5 * ( un (ji,jj,1) + un (ji-1,jj ,1) ) * zfr_l(ji,jj) &
2365	& + 0.5 * ( u_ice(ji,jj ) + u_ice(ji-1,jj ) ) * fr_i(ji,jj)
2366	zoty1(ji,jj) = 0.5 * ( vn (ji,jj,1) + vn (ji ,jj-1,1) ) * zfr_l(ji,jj) &
2367	& + 0.5 * ( v_ice(ji,jj ) + v_ice(ji ,jj-1 ) ) * fr_i(ji,jj)
2368	END DO
2369	END DO
2370	END SELECT
2371	CALL lbc_lnk_multi( 'sbccpl', zotx1, ssnd(jps_ocx1)%clgrid, -1., zoty1, ssnd(jps_ocy1)%clgrid, -1. )
2372	!
2373	ENDIF
2374	!
2375	!
2376	IF( TRIM( sn_snd_crt%clvor ) == 'eastward-northward' ) THEN ! Rotation of the components
2377	! ! Ocean component
2378	CALL rot_rep( zotx1, zoty1, ssnd(jps_ocx1)%clgrid, 'ij->e', ztmp1 ) ! 1st component
2379	CALL rot_rep( zotx1, zoty1, ssnd(jps_ocx1)%clgrid, 'ij->n', ztmp2 ) ! 2nd component
2380	zotx1(:,:) = ztmp1(:,:) ! overwrite the components
2381	zoty1(:,:) = ztmp2(:,:)
2382	IF( ssnd(jps_ivx1)%laction ) THEN ! Ice component
2383	CALL rot_rep( zitx1, zity1, ssnd(jps_ivx1)%clgrid, 'ij->e', ztmp1 ) ! 1st component
2384	CALL rot_rep( zitx1, zity1, ssnd(jps_ivx1)%clgrid, 'ij->n', ztmp2 ) ! 2nd component
2385	zitx1(:,:) = ztmp1(:,:) ! overwrite the components
2386	zity1(:,:) = ztmp2(:,:)
2387	ENDIF
2388	ENDIF
2389	!
2390	! spherical coordinates to cartesian -> 2 components to 3 components
2391	IF( TRIM( sn_snd_crt%clvref ) == 'cartesian' ) THEN
2392	ztmp1(:,:) = zotx1(:,:) ! ocean currents
2393	ztmp2(:,:) = zoty1(:,:)
2394	CALL oce2geo ( ztmp1, ztmp2, 'T', zotx1, zoty1, zotz1 )
2395	!
2396	IF( ssnd(jps_ivx1)%laction ) THEN ! ice velocities
2397	ztmp1(:,:) = zitx1(:,:)
2398	ztmp1(:,:) = zity1(:,:)
2399	CALL oce2geo ( ztmp1, ztmp2, 'T', zitx1, zity1, zitz1 )
2400	ENDIF
2401	ENDIF
2402	!
2403	IF( ssnd(jps_ocx1)%laction ) CALL cpl_snd( jps_ocx1, isec, RESHAPE ( zotx1, (/jpi,jpj,1/) ), info ) ! ocean x current 1st grid
2404	IF( ssnd(jps_ocy1)%laction ) CALL cpl_snd( jps_ocy1, isec, RESHAPE ( zoty1, (/jpi,jpj,1/) ), info ) ! ocean y current 1st grid
2405	IF( ssnd(jps_ocz1)%laction ) CALL cpl_snd( jps_ocz1, isec, RESHAPE ( zotz1, (/jpi,jpj,1/) ), info ) ! ocean z current 1st grid
2406	!
2407	IF( ssnd(jps_ivx1)%laction ) CALL cpl_snd( jps_ivx1, isec, RESHAPE ( zitx1, (/jpi,jpj,1/) ), info ) ! ice x current 1st grid
2408	IF( ssnd(jps_ivy1)%laction ) CALL cpl_snd( jps_ivy1, isec, RESHAPE ( zity1, (/jpi,jpj,1/) ), info ) ! ice y current 1st grid
2409	IF( ssnd(jps_ivz1)%laction ) CALL cpl_snd( jps_ivz1, isec, RESHAPE ( zitz1, (/jpi,jpj,1/) ), info ) ! ice z current 1st grid
2410	!
2411	ENDIF
2412	!
2413	! ! ------------------------- !
2414	! ! Surface current to waves !
2415	! ! ------------------------- !
2416	IF( ssnd(jps_ocxw)%laction .OR. ssnd(jps_ocyw)%laction ) THEN
2417	!
2418	! j+1 j -----V---F
2419	! surface velocity always sent from T point ! \|
2420	! j \| T U
2421	! \| \|
2422	! j j-1 -I-------\|
2423	! (for I) \| \|
2424	! i-1 i i
2425	! i i+1 (for I)
2426	SELECT CASE( TRIM( sn_snd_crtw%cldes ) )
2427	CASE( 'oce only' ) ! C-grid ==> T
2428	DO jj = 2, jpjm1
2429	DO ji = fs_2, fs_jpim1 ! vector opt.
2430	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) )
2431	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji , jj-1,1) )
2432	END DO
2433	END DO
2434	CASE( 'weighted oce and ice' ) ! Ocean and Ice on C-grid ==> T
2435	DO jj = 2, jpjm1
2436	DO ji = fs_2, fs_jpim1 ! vector opt.
2437	zotx1(ji,jj) = 0.5 * ( un (ji,jj,1) + un (ji-1,jj ,1) ) * zfr_l(ji,jj)
2438	zoty1(ji,jj) = 0.5 * ( vn (ji,jj,1) + vn (ji ,jj-1,1) ) * zfr_l(ji,jj)
2439	zitx1(ji,jj) = 0.5 * ( u_ice(ji,jj ) + u_ice(ji-1,jj ) ) * fr_i(ji,jj)
2440	zity1(ji,jj) = 0.5 * ( v_ice(ji,jj ) + v_ice(ji ,jj-1 ) ) * fr_i(ji,jj)
2441	END DO
2442	END DO
2443	CALL lbc_lnk_multi( 'sbccpl', zitx1, 'T', -1., zity1, 'T', -1. )
2444	CASE( 'mixed oce-ice' ) ! Ocean and Ice on C-grid ==> T
2445	DO jj = 2, jpjm1
2446	DO ji = fs_2, fs_jpim1 ! vector opt.
2447	zotx1(ji,jj) = 0.5 * ( un (ji,jj,1) + un (ji-1,jj ,1) ) * zfr_l(ji,jj) &
2448	& + 0.5 * ( u_ice(ji,jj ) + u_ice(ji-1,jj ) ) * fr_i(ji,jj)
2449	zoty1(ji,jj) = 0.5 * ( vn (ji,jj,1) + vn (ji ,jj-1,1) ) * zfr_l(ji,jj) &
2450	& + 0.5 * ( v_ice(ji,jj ) + v_ice(ji ,jj-1 ) ) * fr_i(ji,jj)
2451	END DO
2452	END DO
2453	END SELECT
2454	CALL lbc_lnk_multi( 'sbccpl', zotx1, ssnd(jps_ocxw)%clgrid, -1., zoty1, ssnd(jps_ocyw)%clgrid, -1. )
2455	!
2456	!
2457	IF( TRIM( sn_snd_crtw%clvor ) == 'eastward-northward' ) THEN ! Rotation of the components
2458	! ! Ocean component
2459	CALL rot_rep( zotx1, zoty1, ssnd(jps_ocxw)%clgrid, 'ij->e', ztmp1 ) ! 1st component
2460	CALL rot_rep( zotx1, zoty1, ssnd(jps_ocxw)%clgrid, 'ij->n', ztmp2 ) ! 2nd component
2461	zotx1(:,:) = ztmp1(:,:) ! overwrite the components
2462	zoty1(:,:) = ztmp2(:,:)
2463	IF( ssnd(jps_ivx1)%laction ) THEN ! Ice component
2464	CALL rot_rep( zitx1, zity1, ssnd(jps_ivx1)%clgrid, 'ij->e', ztmp1 ) ! 1st component
2465	CALL rot_rep( zitx1, zity1, ssnd(jps_ivx1)%clgrid, 'ij->n', ztmp2 ) ! 2nd component
2466	zitx1(:,:) = ztmp1(:,:) ! overwrite the components
2467	zity1(:,:) = ztmp2(:,:)
2468	ENDIF
2469	ENDIF
2470	!
2471	! ! spherical coordinates to cartesian -> 2 components to 3 components
2472	! IF( TRIM( sn_snd_crtw%clvref ) == 'cartesian' ) THEN
2473	! ztmp1(:,:) = zotx1(:,:) ! ocean currents
2474	! ztmp2(:,:) = zoty1(:,:)
2475	! CALL oce2geo ( ztmp1, ztmp2, 'T', zotx1, zoty1, zotz1 )
2476	! !
2477	! IF( ssnd(jps_ivx1)%laction ) THEN ! ice velocities
2478	! ztmp1(:,:) = zitx1(:,:)
2479	! ztmp1(:,:) = zity1(:,:)
2480	! CALL oce2geo ( ztmp1, ztmp2, 'T', zitx1, zity1, zitz1 )
2481	! ENDIF
2482	! ENDIF
2483	!
2484	IF( ssnd(jps_ocxw)%laction ) CALL cpl_snd( jps_ocxw, isec, RESHAPE ( zotx1, (/jpi,jpj,1/) ), info ) ! ocean x current 1st grid
2485	IF( ssnd(jps_ocyw)%laction ) CALL cpl_snd( jps_ocyw, isec, RESHAPE ( zoty1, (/jpi,jpj,1/) ), info ) ! ocean y current 1st grid
2486	!
2487	ENDIF
2488	!
2489	IF( ssnd(jps_ficet)%laction ) THEN
2490	CALL cpl_snd( jps_ficet, isec, RESHAPE ( fr_i, (/jpi,jpj,1/) ), info )
2491	END IF
2492	! ! ------------------------- !
2493	! ! Water levels to waves !
2494	! ! ------------------------- !
2495	IF( ssnd(jps_wlev)%laction ) THEN
2496	IF( ln_apr_dyn ) THEN
2497	IF( kt /= nit000 ) THEN
2498	ztmp1(:,:) = sshb(:,:) - 0.5 * ( ssh_ib(:,:) + ssh_ibb(:,:) )
2499	ELSE
2500	ztmp1(:,:) = sshb(:,:)
2501	ENDIF
2502	ELSE
2503	ztmp1(:,:) = sshn(:,:)
2504	ENDIF
2505	CALL cpl_snd( jps_wlev , isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2506	END IF
2507	!
2508	! Fields sent by OPA to SAS when doing OPA<->SAS coupling
2509	! ! SSH
2510	IF( ssnd(jps_ssh )%laction ) THEN
2511	! ! removed inverse barometer ssh when Patm
2512	! forcing is used (for sea-ice dynamics)
2513	IF( ln_apr_dyn ) THEN ; ztmp1(:,:) = sshb(:,:) - 0.5 * ( ssh_ib(:,:) + ssh_ibb(:,:) )
2514	ELSE ; ztmp1(:,:) = sshn(:,:)
2515	ENDIF
2516	CALL cpl_snd( jps_ssh , isec, RESHAPE ( ztmp1 , (/jpi,jpj,1/) ), info )
2517
2518	ENDIF
2519	! ! SSS
2520	IF( ssnd(jps_soce )%laction ) THEN
2521	CALL cpl_snd( jps_soce , isec, RESHAPE ( tsn(:,:,1,jp_sal), (/jpi,jpj,1/) ), info )
2522	ENDIF
2523	! ! first T level thickness
2524	IF( ssnd(jps_e3t1st )%laction ) THEN
2525	CALL cpl_snd( jps_e3t1st, isec, RESHAPE ( e3t_n(:,:,1) , (/jpi,jpj,1/) ), info )
2526	ENDIF
2527	! ! Qsr fraction
2528	IF( ssnd(jps_fraqsr)%laction ) THEN
2529	CALL cpl_snd( jps_fraqsr, isec, RESHAPE ( fraqsr_1lev(:,:) , (/jpi,jpj,1/) ), info )
2530	ENDIF
2531	!
2532	! Fields sent by SAS to OPA when OASIS coupling
2533	! ! Solar heat flux
2534	IF( ssnd(jps_qsroce)%laction ) CALL cpl_snd( jps_qsroce, isec, RESHAPE ( qsr , (/jpi,jpj,1/) ), info )
2535	IF( ssnd(jps_qnsoce)%laction ) CALL cpl_snd( jps_qnsoce, isec, RESHAPE ( qns , (/jpi,jpj,1/) ), info )
2536	IF( ssnd(jps_oemp )%laction ) CALL cpl_snd( jps_oemp , isec, RESHAPE ( emp , (/jpi,jpj,1/) ), info )
2537	IF( ssnd(jps_sflx )%laction ) CALL cpl_snd( jps_sflx , isec, RESHAPE ( sfx , (/jpi,jpj,1/) ), info )
2538	IF( ssnd(jps_otx1 )%laction ) CALL cpl_snd( jps_otx1 , isec, RESHAPE ( utau, (/jpi,jpj,1/) ), info )
2539	IF( ssnd(jps_oty1 )%laction ) CALL cpl_snd( jps_oty1 , isec, RESHAPE ( vtau, (/jpi,jpj,1/) ), info )
2540	IF( ssnd(jps_rnf )%laction ) CALL cpl_snd( jps_rnf , isec, RESHAPE ( rnf , (/jpi,jpj,1/) ), info )
2541	IF( ssnd(jps_taum )%laction ) CALL cpl_snd( jps_taum , isec, RESHAPE ( taum, (/jpi,jpj,1/) ), info )
2542
2543	#if defined key_si3
2544	! ! ------------------------- !
2545	! ! Sea surface freezing temp !
2546	! ! ------------------------- !
2547	! needed by Met Office
2548	CALL eos_fzp(tsn(:,:,1,jp_sal), sstfrz)
2549	ztmp1(:,:) = sstfrz(:,:) + rt0
2550	IF( ssnd(jps_sstfrz)%laction ) CALL cpl_snd( jps_sstfrz, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info)
2551	#endif
2552	!
2553	END SUBROUTINE sbc_cpl_snd
2554
2555	!!======================================================================
2556	END MODULE sbccpl

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