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sbccpl.F90 in NEMO/branches/UKMO/NEMO_4.0_fix_cpl_oce_only/src/OCE/SBC – NEMO

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source: NEMO/branches/UKMO/NEMO_4.0_fix_cpl_oce_only/src/OCE/SBC/sbccpl.F90 @ 11657

Last change on this file since 11657 was 11657, checked in by dancopsey, 5 years ago
Couple the correct sea ice meltpond variables
File size: 154.2 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	#if defined key_oasis3
52	USE mod_oasis, ONLY : OASIS_Sent, OASIS_ToRest, OASIS_SentOut, OASIS_ToRestOut
53	#endif
54
55	IMPLICIT NONE
56	PRIVATE
57
58	PUBLIC sbc_cpl_init ! routine called by sbcmod.F90
59	PUBLIC sbc_cpl_rcv ! routine called by icestp.F90
60	PUBLIC sbc_cpl_snd ! routine called by step.F90
61	PUBLIC sbc_cpl_ice_tau ! routine called by icestp.F90
62	PUBLIC sbc_cpl_ice_flx ! routine called by icestp.F90
63	PUBLIC sbc_cpl_alloc ! routine called in sbcice_cice.F90
64
65	INTEGER, PARAMETER :: jpr_otx1 = 1 ! 3 atmosphere-ocean stress components on grid 1
66	INTEGER, PARAMETER :: jpr_oty1 = 2 !
67	INTEGER, PARAMETER :: jpr_otz1 = 3 !
68	INTEGER, PARAMETER :: jpr_otx2 = 4 ! 3 atmosphere-ocean stress components on grid 2
69	INTEGER, PARAMETER :: jpr_oty2 = 5 !
70	INTEGER, PARAMETER :: jpr_otz2 = 6 !
71	INTEGER, PARAMETER :: jpr_itx1 = 7 ! 3 atmosphere-ice stress components on grid 1
72	INTEGER, PARAMETER :: jpr_ity1 = 8 !
73	INTEGER, PARAMETER :: jpr_itz1 = 9 !
74	INTEGER, PARAMETER :: jpr_itx2 = 10 ! 3 atmosphere-ice stress components on grid 2
75	INTEGER, PARAMETER :: jpr_ity2 = 11 !
76	INTEGER, PARAMETER :: jpr_itz2 = 12 !
77	INTEGER, PARAMETER :: jpr_qsroce = 13 ! Qsr above the ocean
78	INTEGER, PARAMETER :: jpr_qsrice = 14 ! Qsr above the ice
79	INTEGER, PARAMETER :: jpr_qsrmix = 15
80	INTEGER, PARAMETER :: jpr_qnsoce = 16 ! Qns above the ocean
81	INTEGER, PARAMETER :: jpr_qnsice = 17 ! Qns above the ice
82	INTEGER, PARAMETER :: jpr_qnsmix = 18
83	INTEGER, PARAMETER :: jpr_rain = 19 ! total liquid precipitation (rain)
84	INTEGER, PARAMETER :: jpr_snow = 20 ! solid precipitation over the ocean (snow)
85	INTEGER, PARAMETER :: jpr_tevp = 21 ! total evaporation
86	INTEGER, PARAMETER :: jpr_ievp = 22 ! solid evaporation (sublimation)
87	INTEGER, PARAMETER :: jpr_sbpr = 23 ! sublimation - liquid precipitation - solid precipitation
88	INTEGER, PARAMETER :: jpr_semp = 24 ! solid freshwater budget (sublimation - snow)
89	INTEGER, PARAMETER :: jpr_oemp = 25 ! ocean freshwater budget (evap - precip)
90	INTEGER, PARAMETER :: jpr_w10m = 26 ! 10m wind
91	INTEGER, PARAMETER :: jpr_dqnsdt = 27 ! d(Q non solar)/d(temperature)
92	INTEGER, PARAMETER :: jpr_rnf = 28 ! runoffs
93	INTEGER, PARAMETER :: jpr_cal = 29 ! calving
94	INTEGER, PARAMETER :: jpr_taum = 30 ! wind stress module
95	INTEGER, PARAMETER :: jpr_co2 = 31
96	INTEGER, PARAMETER :: jpr_topm = 32 ! topmeltn
97	INTEGER, PARAMETER :: jpr_botm = 33 ! botmeltn
98	INTEGER, PARAMETER :: jpr_sflx = 34 ! salt flux
99	INTEGER, PARAMETER :: jpr_toce = 35 ! ocean temperature
100	INTEGER, PARAMETER :: jpr_soce = 36 ! ocean salinity
101	INTEGER, PARAMETER :: jpr_ocx1 = 37 ! ocean current on grid 1
102	INTEGER, PARAMETER :: jpr_ocy1 = 38 !
103	INTEGER, PARAMETER :: jpr_ssh = 39 ! sea surface height
104	INTEGER, PARAMETER :: jpr_fice = 40 ! ice fraction
105	INTEGER, PARAMETER :: jpr_e3t1st = 41 ! first T level thickness
106	INTEGER, PARAMETER :: jpr_fraqsr = 42 ! fraction of solar net radiation absorbed in the first ocean level
107	INTEGER, PARAMETER :: jpr_mslp = 43 ! mean sea level pressure
108	INTEGER, PARAMETER :: jpr_hsig = 44 ! Hsig
109	INTEGER, PARAMETER :: jpr_phioc = 45 ! Wave=>ocean energy flux
110	INTEGER, PARAMETER :: jpr_sdrftx = 46 ! Stokes drift on grid 1
111	INTEGER, PARAMETER :: jpr_sdrfty = 47 ! Stokes drift on grid 2
112	INTEGER, PARAMETER :: jpr_wper = 48 ! Mean wave period
113	INTEGER, PARAMETER :: jpr_wnum = 49 ! Mean wavenumber
114	INTEGER, PARAMETER :: jpr_tauwoc = 50 ! Stress fraction adsorbed by waves
115	INTEGER, PARAMETER :: jpr_wdrag = 51 ! Neutral surface drag coefficient
116	INTEGER, PARAMETER :: jpr_isf = 52
117	INTEGER, PARAMETER :: jpr_icb = 53
118	INTEGER, PARAMETER :: jpr_wfreq = 54 ! Wave peak frequency
119	INTEGER, PARAMETER :: jpr_tauwx = 55 ! x component of the ocean stress from waves
120	INTEGER, PARAMETER :: jpr_tauwy = 56 ! y component of the ocean stress from waves
121	INTEGER, PARAMETER :: jpr_ts_ice = 57 ! Sea ice surface temp
122
123	INTEGER, PARAMETER :: jprcv = 57 ! total number of fields received
124
125	INTEGER, PARAMETER :: jps_fice = 1 ! ice fraction sent to the atmosphere
126	INTEGER, PARAMETER :: jps_toce = 2 ! ocean temperature
127	INTEGER, PARAMETER :: jps_tice = 3 ! ice temperature
128	INTEGER, PARAMETER :: jps_tmix = 4 ! mixed temperature (ocean+ice)
129	INTEGER, PARAMETER :: jps_albice = 5 ! ice albedo
130	INTEGER, PARAMETER :: jps_albmix = 6 ! mixed albedo
131	INTEGER, PARAMETER :: jps_hice = 7 ! ice thickness
132	INTEGER, PARAMETER :: jps_hsnw = 8 ! snow thickness
133	INTEGER, PARAMETER :: jps_ocx1 = 9 ! ocean current on grid 1
134	INTEGER, PARAMETER :: jps_ocy1 = 10 !
135	INTEGER, PARAMETER :: jps_ocz1 = 11 !
136	INTEGER, PARAMETER :: jps_ivx1 = 12 ! ice current on grid 1
137	INTEGER, PARAMETER :: jps_ivy1 = 13 !
138	INTEGER, PARAMETER :: jps_ivz1 = 14 !
139	INTEGER, PARAMETER :: jps_co2 = 15
140	INTEGER, PARAMETER :: jps_soce = 16 ! ocean salinity
141	INTEGER, PARAMETER :: jps_ssh = 17 ! sea surface height
142	INTEGER, PARAMETER :: jps_qsroce = 18 ! Qsr above the ocean
143	INTEGER, PARAMETER :: jps_qnsoce = 19 ! Qns above the ocean
144	INTEGER, PARAMETER :: jps_oemp = 20 ! ocean freshwater budget (evap - precip)
145	INTEGER, PARAMETER :: jps_sflx = 21 ! salt flux
146	INTEGER, PARAMETER :: jps_otx1 = 22 ! 2 atmosphere-ocean stress components on grid 1
147	INTEGER, PARAMETER :: jps_oty1 = 23 !
148	INTEGER, PARAMETER :: jps_rnf = 24 ! runoffs
149	INTEGER, PARAMETER :: jps_taum = 25 ! wind stress module
150	INTEGER, PARAMETER :: jps_fice2 = 26 ! ice fraction sent to OPA (by SAS when doing SAS-OPA coupling)
151	INTEGER, PARAMETER :: jps_e3t1st = 27 ! first level depth (vvl)
152	INTEGER, PARAMETER :: jps_fraqsr = 28 ! fraction of solar net radiation absorbed in the first ocean level
153	INTEGER, PARAMETER :: jps_ficet = 29 ! total ice fraction
154	INTEGER, PARAMETER :: jps_ocxw = 30 ! currents on grid 1
155	INTEGER, PARAMETER :: jps_ocyw = 31 ! currents on grid 2
156	INTEGER, PARAMETER :: jps_wlev = 32 ! water level
157	INTEGER, PARAMETER :: jps_fice1 = 33 ! first-order ice concentration (for semi-implicit coupling of atmos-ice fluxes)
158	INTEGER, PARAMETER :: jps_a_p = 34 ! meltpond area fraction
159	INTEGER, PARAMETER :: jps_ht_p = 35 ! meltpond thickness
160	INTEGER, PARAMETER :: jps_kice = 36 ! sea ice effective conductivity
161	INTEGER, PARAMETER :: jps_sstfrz = 37 ! sea surface freezing temperature
162	INTEGER, PARAMETER :: jps_ttilyr = 38 ! sea ice top layer temp
163
164	INTEGER, PARAMETER :: jpsnd = 38 ! total number of fields sent
165
166	#if ! defined key_oasis3
167	! Dummy variables to enable compilation when oasis3 is not being used
168	INTEGER :: OASIS_Sent = -1
169	INTEGER :: OASIS_SentOut = -1
170	INTEGER :: OASIS_ToRest = -1
171	INTEGER :: OASIS_ToRestOut = -1
172	#endif
173
174	! !! namelist namsbc_cpl
175	TYPE :: FLD_C !
176	CHARACTER(len = 32) :: cldes ! desciption of the coupling strategy
177	CHARACTER(len = 32) :: clcat ! multiple ice categories strategy
178	CHARACTER(len = 32) :: clvref ! reference of vector ('spherical' or 'cartesian')
179	CHARACTER(len = 32) :: clvor ! orientation of vector fields ('eastward-northward' or 'local grid')
180	CHARACTER(len = 32) :: clvgrd ! grids on which is located the vector fields
181	END TYPE FLD_C
182	! ! Send to the atmosphere
183	TYPE(FLD_C) :: sn_snd_temp , sn_snd_alb , sn_snd_thick, sn_snd_crt , sn_snd_co2, &
184	& sn_snd_thick1, sn_snd_cond, sn_snd_mpnd , sn_snd_sstfrz, sn_snd_ttilyr
185	! ! Received from the atmosphere
186	TYPE(FLD_C) :: sn_rcv_w10m, sn_rcv_taumod, sn_rcv_tau, sn_rcv_tauw, sn_rcv_dqnsdt, sn_rcv_qsr, &
187	& sn_rcv_qns , sn_rcv_emp , sn_rcv_rnf, sn_rcv_ts_ice
188	TYPE(FLD_C) :: sn_rcv_cal, sn_rcv_iceflx, sn_rcv_co2, sn_rcv_mslp, sn_rcv_icb, sn_rcv_isf
189	! Send to waves
190	TYPE(FLD_C) :: sn_snd_ifrac, sn_snd_crtw, sn_snd_wlev
191	! Received from waves
192	TYPE(FLD_C) :: sn_rcv_hsig, sn_rcv_phioc, sn_rcv_sdrfx, sn_rcv_sdrfy, sn_rcv_wper, sn_rcv_wnum, sn_rcv_tauwoc, &
193	sn_rcv_wdrag, sn_rcv_wfreq
194	! ! Other namelist parameters
195	INTEGER :: nn_cplmodel ! Maximum number of models to/from which NEMO is potentialy sending/receiving data
196	LOGICAL :: ln_usecplmask ! use a coupling mask file to merge data received from several models
197	! -> file cplmask.nc with the float variable called cplmask (jpi,jpj,nn_cplmodel)
198	LOGICAL :: ln_scale_ice_fluxes ! Scale sea ice fluxes by the sea ice fractions at the previous coupling point
199	TYPE :: DYNARR
200	REAL(wp), POINTER, DIMENSION(:,:,:) :: z3
201	END TYPE DYNARR
202
203	TYPE( DYNARR ), SAVE, DIMENSION(jprcv) :: frcv ! all fields recieved from the atmosphere
204
205	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: alb_oce_mix ! ocean albedo sent to atmosphere (mix clear/overcast sky)
206
207	REAL(wp) :: rpref = 101000._wp ! reference atmospheric pressure[N/m2]
208	REAL(wp) :: r1_grau ! = 1.e0 / (grav * rau0)
209
210	INTEGER , ALLOCATABLE, SAVE, DIMENSION(:) :: nrcvinfo ! OASIS info argument
211
212	!! Substitution
213	# include "vectopt_loop_substitute.h90"
214	!!----------------------------------------------------------------------
215	!! NEMO/OCE 4.0 , NEMO Consortium (2018)
216	!! $Id$
217	!! Software governed by the CeCILL license (see ./LICENSE)
218	!!----------------------------------------------------------------------
219	CONTAINS
220
221	INTEGER FUNCTION sbc_cpl_alloc()
222	!!----------------------------------------------------------------------
223	!! * FUNCTION sbc_cpl_alloc *
224	!!----------------------------------------------------------------------
225	INTEGER :: ierr(4)
226	!!----------------------------------------------------------------------
227	ierr(:) = 0
228	!
229	ALLOCATE( alb_oce_mix(jpi,jpj), nrcvinfo(jprcv), STAT=ierr(1) )
230
231	#if ! defined key_si3 && ! defined key_cice
232	ALLOCATE( a_i(jpi,jpj,1) , STAT=ierr(2) ) ! used in sbcice_if.F90 (done here as there is no sbc_ice_if_init)
233	#endif
234	ALLOCATE( xcplmask(jpi,jpj,0:nn_cplmodel) , STAT=ierr(3) )
235	!
236	IF( .NOT. ln_apr_dyn ) ALLOCATE( ssh_ib(jpi,jpj), ssh_ibb(jpi,jpj), apr(jpi, jpj), STAT=ierr(4) )
237
238	sbc_cpl_alloc = MAXVAL( ierr )
239	CALL mpp_sum ( 'sbccpl', sbc_cpl_alloc )
240	IF( sbc_cpl_alloc > 0 ) CALL ctl_warn('sbc_cpl_alloc: allocation of arrays failed')
241	!
242	END FUNCTION sbc_cpl_alloc
243
244
245	SUBROUTINE sbc_cpl_init( k_ice )
246	!!----------------------------------------------------------------------
247	!! * ROUTINE sbc_cpl_init *
248	!!
249	!! ** Purpose : Initialisation of send and received information from
250	!! the atmospheric component
251	!!
252	!! ** Method : * Read namsbc_cpl namelist
253	!! * define the receive interface
254	!! * define the send interface
255	!! * initialise the OASIS coupler
256	!!----------------------------------------------------------------------
257	INTEGER, INTENT(in) :: k_ice ! ice management in the sbc (=0/1/2/3)
258	!
259	INTEGER :: jn ! dummy loop index
260	INTEGER :: ios, inum ! Local integer
261	REAL(wp), DIMENSION(jpi,jpj) :: zacs, zaos
262	!!
263	NAMELIST/namsbc_cpl/ sn_snd_temp , sn_snd_alb , sn_snd_thick, sn_snd_crt , sn_snd_co2 , &
264	& sn_snd_ttilyr, sn_snd_cond , sn_snd_mpnd , sn_snd_sstfrz, sn_snd_thick1, &
265	& sn_snd_ifrac , sn_snd_crtw , sn_snd_wlev , sn_rcv_hsig , sn_rcv_phioc, &
266	& sn_rcv_w10m , sn_rcv_taumod, sn_rcv_tau , sn_rcv_dqnsdt, sn_rcv_qsr , &
267	& sn_rcv_sdrfx , sn_rcv_sdrfy , sn_rcv_wper , sn_rcv_wnum , sn_rcv_tauwoc, &
268	& sn_rcv_wdrag , sn_rcv_qns , sn_rcv_emp , sn_rcv_rnf , sn_rcv_cal , &
269	& sn_rcv_iceflx, sn_rcv_co2 , nn_cplmodel , ln_usecplmask, sn_rcv_mslp , &
270	& sn_rcv_icb , sn_rcv_isf , sn_rcv_wfreq , sn_rcv_tauw, nn_cats_cpl , &
271	& sn_rcv_ts_ice, ln_scale_ice_fluxes
272
273	!!---------------------------------------------------------------------
274	!
275	! ================================ !
276	! Namelist informations !
277	! ================================ !
278	!
279	REWIND( numnam_ref ) ! Namelist namsbc_cpl in reference namelist : Variables for OASIS coupling
280	READ ( numnam_ref, namsbc_cpl, IOSTAT = ios, ERR = 901)
281	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_cpl in reference namelist', lwp )
282	!
283	REWIND( numnam_cfg ) ! Namelist namsbc_cpl in configuration namelist : Variables for OASIS coupling
284	READ ( numnam_cfg, namsbc_cpl, IOSTAT = ios, ERR = 902 )
285	902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namsbc_cpl in configuration namelist', lwp )
286	IF(lwm) WRITE ( numond, namsbc_cpl )
287	!
288	IF(lwp) THEN ! control print
289	WRITE(numout,*)
290	WRITE(numout,*)'sbc_cpl_init : namsbc_cpl namelist '
291	WRITE(numout,*)'~~~~~~~~~~~~'
292	ENDIF
293	IF( lwp .AND. ln_cpl ) THEN ! control print
294	WRITE(numout,*)' received fields (mutiple ice categogies)'
295	WRITE(numout,*)' 10m wind module = ', TRIM(sn_rcv_w10m%cldes ), ' (', TRIM(sn_rcv_w10m%clcat ), ')'
296	WRITE(numout,*)' stress module = ', TRIM(sn_rcv_taumod%cldes), ' (', TRIM(sn_rcv_taumod%clcat), ')'
297	WRITE(numout,*)' surface stress = ', TRIM(sn_rcv_tau%cldes ), ' (', TRIM(sn_rcv_tau%clcat ), ')'
298	WRITE(numout,*)' - referential = ', sn_rcv_tau%clvref
299	WRITE(numout,*)' - orientation = ', sn_rcv_tau%clvor
300	WRITE(numout,*)' - mesh = ', sn_rcv_tau%clvgrd
301	WRITE(numout,*)' non-solar heat flux sensitivity = ', TRIM(sn_rcv_dqnsdt%cldes), ' (', TRIM(sn_rcv_dqnsdt%clcat), ')'
302	WRITE(numout,*)' solar heat flux = ', TRIM(sn_rcv_qsr%cldes ), ' (', TRIM(sn_rcv_qsr%clcat ), ')'
303	WRITE(numout,*)' non-solar heat flux = ', TRIM(sn_rcv_qns%cldes ), ' (', TRIM(sn_rcv_qns%clcat ), ')'
304	WRITE(numout,*)' freshwater budget = ', TRIM(sn_rcv_emp%cldes ), ' (', TRIM(sn_rcv_emp%clcat ), ')'
305	WRITE(numout,*)' runoffs = ', TRIM(sn_rcv_rnf%cldes ), ' (', TRIM(sn_rcv_rnf%clcat ), ')'
306	WRITE(numout,*)' calving = ', TRIM(sn_rcv_cal%cldes ), ' (', TRIM(sn_rcv_cal%clcat ), ')'
307	WRITE(numout,*)' iceberg = ', TRIM(sn_rcv_icb%cldes ), ' (', TRIM(sn_rcv_icb%clcat ), ')'
308	WRITE(numout,*)' ice shelf = ', TRIM(sn_rcv_isf%cldes ), ' (', TRIM(sn_rcv_isf%clcat ), ')'
309	WRITE(numout,*)' sea ice heat fluxes = ', TRIM(sn_rcv_iceflx%cldes), ' (', TRIM(sn_rcv_iceflx%clcat), ')'
310	WRITE(numout,*)' atm co2 = ', TRIM(sn_rcv_co2%cldes ), ' (', TRIM(sn_rcv_co2%clcat ), ')'
311	WRITE(numout,*)' significant wave heigth = ', TRIM(sn_rcv_hsig%cldes ), ' (', TRIM(sn_rcv_hsig%clcat ), ')'
312	WRITE(numout,*)' wave to oce energy flux = ', TRIM(sn_rcv_phioc%cldes ), ' (', TRIM(sn_rcv_phioc%clcat ), ')'
313	WRITE(numout,*)' Surface Stokes drift grid u = ', TRIM(sn_rcv_sdrfx%cldes ), ' (', TRIM(sn_rcv_sdrfx%clcat ), ')'
314	WRITE(numout,*)' Surface Stokes drift grid v = ', TRIM(sn_rcv_sdrfy%cldes ), ' (', TRIM(sn_rcv_sdrfy%clcat ), ')'
315	WRITE(numout,*)' Mean wave period = ', TRIM(sn_rcv_wper%cldes ), ' (', TRIM(sn_rcv_wper%clcat ), ')'
316	WRITE(numout,*)' Mean wave number = ', TRIM(sn_rcv_wnum%cldes ), ' (', TRIM(sn_rcv_wnum%clcat ), ')'
317	WRITE(numout,*)' Wave peak frequency = ', TRIM(sn_rcv_wfreq%cldes ), ' (', TRIM(sn_rcv_wfreq%clcat ), ')'
318	WRITE(numout,*)' Stress frac adsorbed by waves = ', TRIM(sn_rcv_tauwoc%cldes), ' (', TRIM(sn_rcv_tauwoc%clcat ), ')'
319	WRITE(numout,*)' Stress components by waves = ', TRIM(sn_rcv_tauw%cldes ), ' (', TRIM(sn_rcv_tauw%clcat ), ')'
320	WRITE(numout,*)' Neutral surf drag coefficient = ', TRIM(sn_rcv_wdrag%cldes ), ' (', TRIM(sn_rcv_wdrag%clcat ), ')'
321	WRITE(numout,*)' Sea ice surface skin temperature= ', TRIM(sn_rcv_ts_ice%cldes), ' (', TRIM(sn_rcv_ts_ice%clcat), ')'
322	WRITE(numout,*)' sent fields (multiple ice categories)'
323	WRITE(numout,*)' surface temperature = ', TRIM(sn_snd_temp%cldes ), ' (', TRIM(sn_snd_temp%clcat ), ')'
324	WRITE(numout,*)' top ice layer temperature = ', TRIM(sn_snd_ttilyr%cldes), ' (', TRIM(sn_snd_ttilyr%clcat), ')'
325	WRITE(numout,*)' albedo = ', TRIM(sn_snd_alb%cldes ), ' (', TRIM(sn_snd_alb%clcat ), ')'
326	WRITE(numout,*)' ice/snow thickness = ', TRIM(sn_snd_thick%cldes ), ' (', TRIM(sn_snd_thick%clcat ), ')'
327	WRITE(numout,*)' total ice fraction = ', TRIM(sn_snd_ifrac%cldes ), ' (', TRIM(sn_snd_ifrac%clcat ), ')'
328	WRITE(numout,*)' surface current = ', TRIM(sn_snd_crt%cldes ), ' (', TRIM(sn_snd_crt%clcat ), ')'
329	WRITE(numout,*)' - referential = ', sn_snd_crt%clvref
330	WRITE(numout,*)' - orientation = ', sn_snd_crt%clvor
331	WRITE(numout,*)' - mesh = ', sn_snd_crt%clvgrd
332	WRITE(numout,*)' oce co2 flux = ', TRIM(sn_snd_co2%cldes ), ' (', TRIM(sn_snd_co2%clcat ), ')'
333	WRITE(numout,*)' ice effective conductivity = ', TRIM(sn_snd_cond%cldes ), ' (', TRIM(sn_snd_cond%clcat ), ')'
334	WRITE(numout,*)' meltponds fraction and depth = ', TRIM(sn_snd_mpnd%cldes ), ' (', TRIM(sn_snd_mpnd%clcat ), ')'
335	WRITE(numout,*)' sea surface freezing temp = ', TRIM(sn_snd_sstfrz%cldes), ' (', TRIM(sn_snd_sstfrz%clcat), ')'
336	WRITE(numout,*)' water level = ', TRIM(sn_snd_wlev%cldes ), ' (', TRIM(sn_snd_wlev%clcat ), ')'
337	WRITE(numout,*)' mean sea level pressure = ', TRIM(sn_rcv_mslp%cldes ), ' (', TRIM(sn_rcv_mslp%clcat ), ')'
338	WRITE(numout,*)' surface current to waves = ', TRIM(sn_snd_crtw%cldes ), ' (', TRIM(sn_snd_crtw%clcat ), ')'
339	WRITE(numout,*)' - referential = ', sn_snd_crtw%clvref
340	WRITE(numout,*)' - orientation = ', sn_snd_crtw%clvor
341	WRITE(numout,*)' - mesh = ', sn_snd_crtw%clvgrd
342	WRITE(numout,*)' nn_cplmodel = ', nn_cplmodel
343	WRITE(numout,*)' ln_usecplmask = ', ln_usecplmask
344	WRITE(numout,*)' nn_cats_cpl = ', nn_cats_cpl
345	WRITE(numout,*)' ln_scale_ice_fluxes = ', ln_scale_ice_fluxes
346	ENDIF
347
348	! ! allocate sbccpl arrays
349	IF( sbc_cpl_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_cpl_alloc : unable to allocate arrays' )
350
351	! ================================ !
352	! Define the receive interface !
353	! ================================ !
354	nrcvinfo(:) = OASIS_idle ! needed by nrcvinfo(jpr_otx1) if we do not receive ocean stress
355
356	! for each field: define the OASIS name (srcv(:)%clname)
357	! define receive or not from the namelist parameters (srcv(:)%laction)
358	! define the north fold type of lbc (srcv(:)%nsgn)
359
360	! default definitions of srcv
361	srcv(:)%laction = .FALSE. ; srcv(:)%clgrid = 'T' ; srcv(:)%nsgn = 1. ; srcv(:)%nct = 1
362
363	! ! ------------------------- !
364	! ! ice and ocean wind stress !
365	! ! ------------------------- !
366	! ! Name
367	srcv(jpr_otx1)%clname = 'O_OTaux1' ! 1st ocean component on grid ONE (T or U)
368	srcv(jpr_oty1)%clname = 'O_OTauy1' ! 2nd - - - -
369	srcv(jpr_otz1)%clname = 'O_OTauz1' ! 3rd - - - -
370	srcv(jpr_otx2)%clname = 'O_OTaux2' ! 1st ocean component on grid TWO (V)
371	srcv(jpr_oty2)%clname = 'O_OTauy2' ! 2nd - - - -
372	srcv(jpr_otz2)%clname = 'O_OTauz2' ! 3rd - - - -
373	!
374	srcv(jpr_itx1)%clname = 'O_ITaux1' ! 1st ice component on grid ONE (T, F, I or U)
375	srcv(jpr_ity1)%clname = 'O_ITauy1' ! 2nd - - - -
376	srcv(jpr_itz1)%clname = 'O_ITauz1' ! 3rd - - - -
377	srcv(jpr_itx2)%clname = 'O_ITaux2' ! 1st ice component on grid TWO (V)
378	srcv(jpr_ity2)%clname = 'O_ITauy2' ! 2nd - - - -
379	srcv(jpr_itz2)%clname = 'O_ITauz2' ! 3rd - - - -
380	!
381	! Vectors: change of sign at north fold ONLY if on the local grid
382	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
383	IF( TRIM( sn_rcv_tau%clvor ) == 'local grid' ) srcv(jpr_otx1:jpr_itz2)%nsgn = -1.
384
385	! ! Set grid and action
386	SELECT CASE( TRIM( sn_rcv_tau%clvgrd ) ) ! 'T', 'U,V', 'U,V,I', 'U,V,F', 'T,I', 'T,F', or 'T,U,V'
387	CASE( 'T' )
388	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
389	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
390	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
391	CASE( 'U,V' )
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 = 'U' ! ice components given at U-point
395	srcv(jpr_itx2:jpr_itz2)%clgrid = 'V' ! and V-point
396	srcv(jpr_otx1:jpr_itz2)%laction = .TRUE. ! receive oce and ice components on both grid 1 & 2
397	CASE( 'U,V,T' )
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 = 'T' ! ice components given at T-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( 'U,V,I' )
404	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
405	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
406	srcv(jpr_itx1:jpr_itz1)%clgrid = 'I' ! ice components given at I-point
407	srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
408	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
409	CASE( 'U,V,F' )
410	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
411	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
412	srcv(jpr_itx1:jpr_itz1)%clgrid = 'F' ! ice components given at F-point
413	srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
414	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
415	CASE( 'T,I' )
416	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
417	srcv(jpr_itx1:jpr_itz1)%clgrid = 'I' ! ice components given at I-point
418	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
419	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
420	CASE( 'T,F' )
421	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
422	srcv(jpr_itx1:jpr_itz1)%clgrid = 'F' ! ice components given at F-point
423	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
424	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
425	CASE( 'T,U,V' )
426	srcv(jpr_otx1:jpr_otz1)%clgrid = 'T' ! oce components given at T-point
427	srcv(jpr_itx1:jpr_itz1)%clgrid = 'U' ! ice components given at U-point
428	srcv(jpr_itx2:jpr_itz2)%clgrid = 'V' ! and V-point
429	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1 only
430	srcv(jpr_itx1:jpr_itz2)%laction = .TRUE. ! receive ice components on grid 1 & 2
431	CASE default
432	CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_tau%clvgrd' )
433	END SELECT
434	!
435	IF( TRIM( sn_rcv_tau%clvref ) == 'spherical' ) & ! spherical: 3rd component not received
436	& srcv( (/jpr_otz1, jpr_otz2, jpr_itz1, jpr_itz2/) )%laction = .FALSE.
437	!
438	IF( TRIM( sn_rcv_tau%clvor ) == 'local grid' ) THEN ! already on local grid -> no need of the second grid
439	srcv(jpr_otx2:jpr_otz2)%laction = .FALSE.
440	srcv(jpr_itx2:jpr_itz2)%laction = .FALSE.
441	srcv(jpr_oty1)%clgrid = srcv(jpr_oty2)%clgrid ! not needed but cleaner...
442	srcv(jpr_ity1)%clgrid = srcv(jpr_ity2)%clgrid ! not needed but cleaner...
443	ENDIF
444	!
445	IF( TRIM( sn_rcv_tau%cldes ) /= 'oce and ice' ) THEN ! 'oce and ice' case ocean stress on ocean mesh used
446	srcv(jpr_itx1:jpr_itz2)%laction = .FALSE. ! ice components not received
447	srcv(jpr_itx1)%clgrid = 'U' ! ocean stress used after its transformation
448	srcv(jpr_ity1)%clgrid = 'V' ! i.e. it is always at U- & V-points for i- & j-comp. resp.
449	ENDIF
450	ENDIF
451
452	! ! ------------------------- !
453	! ! freshwater budget ! E-P
454	! ! ------------------------- !
455	! we suppose that atmosphere modele do not make the difference between precipiration (liquide or solid)
456	! over ice of free ocean within the same atmospheric cell.cd
457	srcv(jpr_rain)%clname = 'OTotRain' ! Rain = liquid precipitation
458	srcv(jpr_snow)%clname = 'OTotSnow' ! Snow = solid precipitation
459	srcv(jpr_tevp)%clname = 'OTotEvap' ! total evaporation (over oce + ice sublimation)
460	srcv(jpr_ievp)%clname = 'OIceEvap' ! evaporation over ice = sublimation
461	srcv(jpr_sbpr)%clname = 'OSubMPre' ! sublimation - liquid precipitation - solid precipitation
462	srcv(jpr_semp)%clname = 'OISubMSn' ! ice solid water budget = sublimation - solid precipitation
463	srcv(jpr_oemp)%clname = 'OOEvaMPr' ! ocean water budget = ocean Evap - ocean precip
464	SELECT CASE( TRIM( sn_rcv_emp%cldes ) )
465	CASE( 'none' ) ! nothing to do
466	CASE( 'oce only' ) ; srcv(jpr_oemp)%laction = .TRUE.
467	CASE( 'conservative' )
468	srcv( (/jpr_rain, jpr_snow, jpr_ievp, jpr_tevp/) )%laction = .TRUE.
469	IF ( k_ice <= 1 ) srcv(jpr_ievp)%laction = .FALSE.
470	CASE( 'oce and ice' ) ; srcv( (/jpr_ievp, jpr_sbpr, jpr_semp, jpr_oemp/) )%laction = .TRUE.
471	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_emp%cldes' )
472	END SELECT
473	!
474	! ! ------------------------- !
475	! ! Runoffs & Calving !
476	! ! ------------------------- !
477	srcv(jpr_rnf )%clname = 'O_Runoff'
478	IF( TRIM( sn_rcv_rnf%cldes ) == 'coupled' ) THEN
479	srcv(jpr_rnf)%laction = .TRUE.
480	l_rnfcpl = .TRUE. ! -> no need to read runoffs in sbcrnf
481	ln_rnf = nn_components /= jp_iam_sas ! -> force to go through sbcrnf if not sas
482	IF(lwp) WRITE(numout,*)
483	IF(lwp) WRITE(numout,*) ' runoffs received from oasis -> force ln_rnf = ', ln_rnf
484	ENDIF
485	!
486	srcv(jpr_cal)%clname = 'OCalving' ; IF( TRIM( sn_rcv_cal%cldes) == 'coupled' ) srcv(jpr_cal)%laction = .TRUE.
487	srcv(jpr_isf)%clname = 'OIcshelf' ; IF( TRIM( sn_rcv_isf%cldes) == 'coupled' ) srcv(jpr_isf)%laction = .TRUE.
488	srcv(jpr_icb)%clname = 'OIceberg' ; IF( TRIM( sn_rcv_icb%cldes) == 'coupled' ) srcv(jpr_icb)%laction = .TRUE.
489
490	IF( srcv(jpr_isf)%laction .AND. ln_isf ) THEN
491	l_isfcpl = .TRUE. ! -> no need to read isf in sbcisf
492	IF(lwp) WRITE(numout,*)
493	IF(lwp) WRITE(numout,*) ' iceshelf received from oasis '
494	ENDIF
495	!
496	! ! ------------------------- !
497	! ! non solar radiation ! Qns
498	! ! ------------------------- !
499	srcv(jpr_qnsoce)%clname = 'O_QnsOce'
500	srcv(jpr_qnsice)%clname = 'O_QnsIce'
501	srcv(jpr_qnsmix)%clname = 'O_QnsMix'
502	SELECT CASE( TRIM( sn_rcv_qns%cldes ) )
503	CASE( 'none' ) ! nothing to do
504	CASE( 'oce only' ) ; srcv( jpr_qnsoce )%laction = .TRUE.
505	CASE( 'conservative' ) ; srcv( (/jpr_qnsice, jpr_qnsmix/) )%laction = .TRUE.
506	CASE( 'oce and ice' ) ; srcv( (/jpr_qnsice, jpr_qnsoce/) )%laction = .TRUE.
507	CASE( 'mixed oce-ice' ) ; srcv( jpr_qnsmix )%laction = .TRUE.
508	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_qns%cldes' )
509	END SELECT
510	IF( TRIM( sn_rcv_qns%cldes ) == 'mixed oce-ice' .AND. nn_cats_cpl > 1 ) &
511	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_qns%cldes not currently allowed to be mixed oce-ice for multi-category ice' )
512	!
513	! ! ------------------------- !
514	! ! solar radiation ! Qsr
515	! ! ------------------------- !
516	srcv(jpr_qsroce)%clname = 'O_QsrOce'
517	srcv(jpr_qsrice)%clname = 'O_QsrIce'
518	srcv(jpr_qsrmix)%clname = 'O_QsrMix'
519	SELECT CASE( TRIM( sn_rcv_qsr%cldes ) )
520	CASE( 'none' ) ! nothing to do
521	CASE( 'oce only' ) ; srcv( jpr_qsroce )%laction = .TRUE.
522	CASE( 'conservative' ) ; srcv( (/jpr_qsrice, jpr_qsrmix/) )%laction = .TRUE.
523	CASE( 'oce and ice' ) ; srcv( (/jpr_qsrice, jpr_qsroce/) )%laction = .TRUE.
524	CASE( 'mixed oce-ice' ) ; srcv( jpr_qsrmix )%laction = .TRUE.
525	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_qsr%cldes' )
526	END SELECT
527	IF( TRIM( sn_rcv_qsr%cldes ) == 'mixed oce-ice' .AND. nn_cats_cpl > 1 ) &
528	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_qsr%cldes not currently allowed to be mixed oce-ice for multi-category ice' )
529	!
530	! ! ------------------------- !
531	! ! non solar sensitivity ! d(Qns)/d(T)
532	! ! ------------------------- !
533	srcv(jpr_dqnsdt)%clname = 'O_dQnsdT'
534	IF( TRIM( sn_rcv_dqnsdt%cldes ) == 'coupled' ) srcv(jpr_dqnsdt)%laction = .TRUE.
535	!
536	! non solar sensitivity mandatory for mixed oce-ice solar radiation coupling technique
537	IF( TRIM( sn_rcv_dqnsdt%cldes ) == 'none' .AND. TRIM( sn_rcv_qns%cldes ) == 'mixed oce-ice' ) &
538	& CALL ctl_stop( 'sbc_cpl_init: namsbc_cpl namelist mismatch between sn_rcv_qns%cldes and sn_rcv_dqnsdt%cldes' )
539	!
540	! ! ------------------------- !
541	! ! 10m wind module !
542	! ! ------------------------- !
543	srcv(jpr_w10m)%clname = 'O_Wind10' ; IF( TRIM(sn_rcv_w10m%cldes ) == 'coupled' ) srcv(jpr_w10m)%laction = .TRUE.
544	!
545	! ! ------------------------- !
546	! ! wind stress module !
547	! ! ------------------------- !
548	srcv(jpr_taum)%clname = 'O_TauMod' ; IF( TRIM(sn_rcv_taumod%cldes) == 'coupled' ) srcv(jpr_taum)%laction = .TRUE.
549	lhftau = srcv(jpr_taum)%laction
550	!
551	! ! ------------------------- !
552	! ! Atmospheric CO2 !
553	! ! ------------------------- !
554	srcv(jpr_co2 )%clname = 'O_AtmCO2'
555	IF( TRIM(sn_rcv_co2%cldes ) == 'coupled' ) THEN
556	srcv(jpr_co2 )%laction = .TRUE.
557	l_co2cpl = .TRUE.
558	IF(lwp) WRITE(numout,*)
559	IF(lwp) WRITE(numout,*) ' Atmospheric pco2 received from oasis '
560	IF(lwp) WRITE(numout,*)
561	ENDIF
562	!
563	! ! ------------------------- !
564	! ! Mean Sea Level Pressure !
565	! ! ------------------------- !
566	srcv(jpr_mslp)%clname = 'O_MSLP' ; IF( TRIM(sn_rcv_mslp%cldes ) == 'coupled' ) srcv(jpr_mslp)%laction = .TRUE.
567	!
568	! ! ------------------------- !
569	! ! ice topmelt and botmelt !
570	! ! ------------------------- !
571	srcv(jpr_topm )%clname = 'OTopMlt'
572	srcv(jpr_botm )%clname = 'OBotMlt'
573	IF( TRIM(sn_rcv_iceflx%cldes) == 'coupled' ) THEN
574	IF ( TRIM( sn_rcv_iceflx%clcat ) == 'yes' ) THEN
575	srcv(jpr_topm:jpr_botm)%nct = nn_cats_cpl
576	ELSE
577	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_iceflx%clcat should always be set to yes currently' )
578	ENDIF
579	srcv(jpr_topm:jpr_botm)%laction = .TRUE.
580	ENDIF
581	! ! ------------------------- !
582	! ! ice skin temperature !
583	! ! ------------------------- !
584	srcv(jpr_ts_ice)%clname = 'OTsfIce' ! needed by Met Office
585	IF ( TRIM( sn_rcv_ts_ice%cldes ) == 'ice' ) srcv(jpr_ts_ice)%laction = .TRUE.
586	IF ( TRIM( sn_rcv_ts_ice%clcat ) == 'yes' ) srcv(jpr_ts_ice)%nct = nn_cats_cpl
587	IF ( TRIM( sn_rcv_emp%clcat ) == 'yes' ) srcv(jpr_ievp)%nct = nn_cats_cpl
588
589	! ! ------------------------- !
590	! ! Wave breaking !
591	! ! ------------------------- !
592	srcv(jpr_hsig)%clname = 'O_Hsigwa' ! significant wave height
593	IF( TRIM(sn_rcv_hsig%cldes ) == 'coupled' ) THEN
594	srcv(jpr_hsig)%laction = .TRUE.
595	cpl_hsig = .TRUE.
596	ENDIF
597	srcv(jpr_phioc)%clname = 'O_PhiOce' ! wave to ocean energy
598	IF( TRIM(sn_rcv_phioc%cldes ) == 'coupled' ) THEN
599	srcv(jpr_phioc)%laction = .TRUE.
600	cpl_phioc = .TRUE.
601	ENDIF
602	srcv(jpr_sdrftx)%clname = 'O_Sdrfx' ! Stokes drift in the u direction
603	IF( TRIM(sn_rcv_sdrfx%cldes ) == 'coupled' ) THEN
604	srcv(jpr_sdrftx)%laction = .TRUE.
605	cpl_sdrftx = .TRUE.
606	ENDIF
607	srcv(jpr_sdrfty)%clname = 'O_Sdrfy' ! Stokes drift in the v direction
608	IF( TRIM(sn_rcv_sdrfy%cldes ) == 'coupled' ) THEN
609	srcv(jpr_sdrfty)%laction = .TRUE.
610	cpl_sdrfty = .TRUE.
611	ENDIF
612	srcv(jpr_wper)%clname = 'O_WPer' ! mean wave period
613	IF( TRIM(sn_rcv_wper%cldes ) == 'coupled' ) THEN
614	srcv(jpr_wper)%laction = .TRUE.
615	cpl_wper = .TRUE.
616	ENDIF
617	srcv(jpr_wfreq)%clname = 'O_WFreq' ! wave peak frequency
618	IF( TRIM(sn_rcv_wfreq%cldes ) == 'coupled' ) THEN
619	srcv(jpr_wfreq)%laction = .TRUE.
620	cpl_wfreq = .TRUE.
621	ENDIF
622	srcv(jpr_wnum)%clname = 'O_WNum' ! mean wave number
623	IF( TRIM(sn_rcv_wnum%cldes ) == 'coupled' ) THEN
624	srcv(jpr_wnum)%laction = .TRUE.
625	cpl_wnum = .TRUE.
626	ENDIF
627	srcv(jpr_tauwoc)%clname = 'O_TauOce' ! stress fraction adsorbed by the wave
628	IF( TRIM(sn_rcv_tauwoc%cldes ) == 'coupled' ) THEN
629	srcv(jpr_tauwoc)%laction = .TRUE.
630	cpl_tauwoc = .TRUE.
631	ENDIF
632	srcv(jpr_tauwx)%clname = 'O_Tauwx' ! ocean stress from wave in the x direction
633	srcv(jpr_tauwy)%clname = 'O_Tauwy' ! ocean stress from wave in the y direction
634	IF( TRIM(sn_rcv_tauw%cldes ) == 'coupled' ) THEN
635	srcv(jpr_tauwx)%laction = .TRUE.
636	srcv(jpr_tauwy)%laction = .TRUE.
637	cpl_tauw = .TRUE.
638	ENDIF
639	srcv(jpr_wdrag)%clname = 'O_WDrag' ! neutral surface drag coefficient
640	IF( TRIM(sn_rcv_wdrag%cldes ) == 'coupled' ) THEN
641	srcv(jpr_wdrag)%laction = .TRUE.
642	cpl_wdrag = .TRUE.
643	ENDIF
644	IF( srcv(jpr_tauwoc)%laction .AND. srcv(jpr_tauwx)%laction .AND. srcv(jpr_tauwy)%laction ) &
645	CALL ctl_stop( 'More than one method for modifying the ocean stress has been selected ', &
646	'(sn_rcv_tauwoc=coupled and sn_rcv_tauw=coupled)' )
647	!
648	! ! ------------------------------- !
649	! ! OPA-SAS coupling - rcv by opa !
650	! ! ------------------------------- !
651	srcv(jpr_sflx)%clname = 'O_SFLX'
652	srcv(jpr_fice)%clname = 'RIceFrc'
653	!
654	IF( nn_components == jp_iam_opa ) THEN ! OPA coupled to SAS via OASIS: force received field by OPA (sent by SAS)
655	srcv(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
656	srcv(:)%clgrid = 'T' ! force default definition in case of opa <-> sas coupling
657	srcv(:)%nsgn = 1. ! force default definition in case of opa <-> sas coupling
658	srcv( (/jpr_qsroce, jpr_qnsoce, jpr_oemp, jpr_sflx, jpr_fice, jpr_otx1, jpr_oty1, jpr_taum/) )%laction = .TRUE.
659	srcv(jpr_otx1)%clgrid = 'U' ! oce components given at U-point
660	srcv(jpr_oty1)%clgrid = 'V' ! and V-point
661	! Vectors: change of sign at north fold ONLY if on the local grid
662	srcv( (/jpr_otx1,jpr_oty1/) )%nsgn = -1.
663	sn_rcv_tau%clvgrd = 'U,V'
664	sn_rcv_tau%clvor = 'local grid'
665	sn_rcv_tau%clvref = 'spherical'
666	sn_rcv_emp%cldes = 'oce only'
667	!
668	IF(lwp) THEN ! control print
669	WRITE(numout,*)
670	WRITE(numout,*)' Special conditions for SAS-OPA coupling '
671	WRITE(numout,*)' OPA component '
672	WRITE(numout,*)
673	WRITE(numout,*)' received fields from SAS component '
674	WRITE(numout,*)' ice cover '
675	WRITE(numout,*)' oce only EMP '
676	WRITE(numout,*)' salt flux '
677	WRITE(numout,*)' mixed oce-ice solar flux '
678	WRITE(numout,*)' mixed oce-ice non solar flux '
679	WRITE(numout,*)' wind stress U,V on local grid and sperical coordinates '
680	WRITE(numout,*)' wind stress module'
681	WRITE(numout,*)
682	ENDIF
683	ENDIF
684	! ! -------------------------------- !
685	! ! OPA-SAS coupling - rcv by sas !
686	! ! -------------------------------- !
687	srcv(jpr_toce )%clname = 'I_SSTSST'
688	srcv(jpr_soce )%clname = 'I_SSSal'
689	srcv(jpr_ocx1 )%clname = 'I_OCurx1'
690	srcv(jpr_ocy1 )%clname = 'I_OCury1'
691	srcv(jpr_ssh )%clname = 'I_SSHght'
692	srcv(jpr_e3t1st)%clname = 'I_E3T1st'
693	srcv(jpr_fraqsr)%clname = 'I_FraQsr'
694	!
695	IF( nn_components == jp_iam_sas ) THEN
696	IF( .NOT. ln_cpl ) srcv(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
697	IF( .NOT. ln_cpl ) srcv(:)%clgrid = 'T' ! force default definition in case of opa <-> sas coupling
698	IF( .NOT. ln_cpl ) srcv(:)%nsgn = 1. ! force default definition in case of opa <-> sas coupling
699	srcv( (/jpr_toce, jpr_soce, jpr_ssh, jpr_fraqsr, jpr_ocx1, jpr_ocy1/) )%laction = .TRUE.
700	srcv( jpr_e3t1st )%laction = .NOT.ln_linssh
701	srcv(jpr_ocx1)%clgrid = 'U' ! oce components given at U-point
702	srcv(jpr_ocy1)%clgrid = 'V' ! and V-point
703	! Vectors: change of sign at north fold ONLY if on the local grid
704	srcv(jpr_ocx1:jpr_ocy1)%nsgn = -1.
705	! Change first letter to couple with atmosphere if already coupled OPA
706	! this is nedeed as each variable name used in the namcouple must be unique:
707	! for example O_Runoff received by OPA from SAS and therefore O_Runoff received by SAS from the Atmosphere
708	DO jn = 1, jprcv
709	IF ( srcv(jn)%clname(1:1) == "O" ) srcv(jn)%clname = "S"//srcv(jn)%clname(2:LEN(srcv(jn)%clname))
710	END DO
711	!
712	IF(lwp) THEN ! control print
713	WRITE(numout,*)
714	WRITE(numout,*)' Special conditions for SAS-OPA coupling '
715	WRITE(numout,*)' SAS component '
716	WRITE(numout,*)
717	IF( .NOT. ln_cpl ) THEN
718	WRITE(numout,*)' received fields from OPA component '
719	ELSE
720	WRITE(numout,*)' Additional received fields from OPA component : '
721	ENDIF
722	WRITE(numout,*)' sea surface temperature (Celsius) '
723	WRITE(numout,*)' sea surface salinity '
724	WRITE(numout,*)' surface currents '
725	WRITE(numout,*)' sea surface height '
726	WRITE(numout,*)' thickness of first ocean T level '
727	WRITE(numout,*)' fraction of solar net radiation absorbed in the first ocean level'
728	WRITE(numout,*)
729	ENDIF
730	ENDIF
731
732	! =================================================== !
733	! Allocate all parts of frcv used for received fields !
734	! =================================================== !
735	DO jn = 1, jprcv
736	IF ( srcv(jn)%laction ) ALLOCATE( frcv(jn)%z3(jpi,jpj,srcv(jn)%nct) )
737	END DO
738	! Allocate taum part of frcv which is used even when not received as coupling field
739	IF ( .NOT. srcv(jpr_taum)%laction ) ALLOCATE( frcv(jpr_taum)%z3(jpi,jpj,srcv(jpr_taum)%nct) )
740	! Allocate w10m part of frcv which is used even when not received as coupling field
741	IF ( .NOT. srcv(jpr_w10m)%laction ) ALLOCATE( frcv(jpr_w10m)%z3(jpi,jpj,srcv(jpr_w10m)%nct) )
742	! Allocate jpr_otx1 part of frcv which is used even when not received as coupling field
743	IF ( .NOT. srcv(jpr_otx1)%laction ) ALLOCATE( frcv(jpr_otx1)%z3(jpi,jpj,srcv(jpr_otx1)%nct) )
744	IF ( .NOT. srcv(jpr_oty1)%laction ) ALLOCATE( frcv(jpr_oty1)%z3(jpi,jpj,srcv(jpr_oty1)%nct) )
745	! Allocate itx1 and ity1 as they are used in sbc_cpl_ice_tau even if srcv(jpr_itx1)%laction = .FALSE.
746	IF( k_ice /= 0 ) THEN
747	IF ( .NOT. srcv(jpr_itx1)%laction ) ALLOCATE( frcv(jpr_itx1)%z3(jpi,jpj,srcv(jpr_itx1)%nct) )
748	IF ( .NOT. srcv(jpr_ity1)%laction ) ALLOCATE( frcv(jpr_ity1)%z3(jpi,jpj,srcv(jpr_ity1)%nct) )
749	END IF
750
751	! ================================ !
752	! Define the send interface !
753	! ================================ !
754	! for each field: define the OASIS name (ssnd(:)%clname)
755	! define send or not from the namelist parameters (ssnd(:)%laction)
756	! define the north fold type of lbc (ssnd(:)%nsgn)
757
758	! default definitions of nsnd
759	ssnd(:)%laction = .FALSE. ; ssnd(:)%clgrid = 'T' ; ssnd(:)%nsgn = 1. ; ssnd(:)%nct = 1
760
761	! ! ------------------------- !
762	! ! Surface temperature !
763	! ! ------------------------- !
764	ssnd(jps_toce)%clname = 'O_SSTSST'
765	ssnd(jps_tice)%clname = 'O_TepIce'
766	ssnd(jps_ttilyr)%clname = 'O_TtiLyr'
767	ssnd(jps_tmix)%clname = 'O_TepMix'
768	SELECT CASE( TRIM( sn_snd_temp%cldes ) )
769	CASE( 'none' ) ! nothing to do
770	CASE( 'oce only' ) ; ssnd( jps_toce )%laction = .TRUE.
771	CASE( 'oce and ice' , 'weighted oce and ice' , 'oce and weighted ice' )
772	ssnd( (/jps_toce, jps_tice/) )%laction = .TRUE.
773	IF ( TRIM( sn_snd_temp%clcat ) == 'yes' ) ssnd(jps_tice)%nct = nn_cats_cpl
774	CASE( 'mixed oce-ice' ) ; ssnd( jps_tmix )%laction = .TRUE.
775	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_temp%cldes' )
776	END SELECT
777
778	! ! ------------------------- !
779	! ! Albedo !
780	! ! ------------------------- !
781	ssnd(jps_albice)%clname = 'O_AlbIce'
782	ssnd(jps_albmix)%clname = 'O_AlbMix'
783	SELECT CASE( TRIM( sn_snd_alb%cldes ) )
784	CASE( 'none' ) ! nothing to do
785	CASE( 'ice' , 'weighted ice' ) ; ssnd(jps_albice)%laction = .TRUE.
786	CASE( 'mixed oce-ice' ) ; ssnd(jps_albmix)%laction = .TRUE.
787	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_alb%cldes' )
788	END SELECT
789	!
790	! Need to calculate oceanic albedo if
791	! 1. sending mixed oce-ice albedo or
792	! 2. receiving mixed oce-ice solar radiation
793	IF ( TRIM ( sn_snd_alb%cldes ) == 'mixed oce-ice' .OR. TRIM ( sn_rcv_qsr%cldes ) == 'mixed oce-ice' ) THEN
794	CALL oce_alb( zaos, zacs )
795	! Due to lack of information on nebulosity : mean clear/overcast sky
796	alb_oce_mix(:,:) = ( zacs(:,:) + zaos(:,:) ) * 0.5
797	ENDIF
798	! ! ------------------------- !
799	! ! Ice fraction & Thickness !
800	! ! ------------------------- !
801	ssnd(jps_fice)%clname = 'OIceFrc'
802	ssnd(jps_ficet)%clname = 'OIceFrcT'
803	ssnd(jps_hice)%clname = 'OIceTck'
804	ssnd(jps_a_p)%clname = 'OPndFrc'
805	ssnd(jps_ht_p)%clname = 'OPndTck'
806	ssnd(jps_hsnw)%clname = 'OSnwTck'
807	ssnd(jps_fice1)%clname = 'OIceFrd'
808	IF( k_ice /= 0 ) THEN
809	ssnd(jps_fice)%laction = .TRUE. ! if ice treated in the ocean (even in climato case)
810	ssnd(jps_fice1)%laction = .TRUE. ! First-order regridded ice concentration, to be used producing atmos-to-ice fluxes (Met Office requirement)
811	! Currently no namelist entry to determine sending of multi-category ice fraction so use the thickness entry for now
812	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) ssnd(jps_fice)%nct = nn_cats_cpl
813	IF ( TRIM( sn_snd_thick1%clcat ) == 'yes' ) ssnd(jps_fice1)%nct = nn_cats_cpl
814	ENDIF
815
816	IF (TRIM( sn_snd_ifrac%cldes ) == 'coupled') ssnd(jps_ficet)%laction = .TRUE.
817
818	SELECT CASE ( TRIM( sn_snd_thick%cldes ) )
819	CASE( 'none' ) ! nothing to do
820	CASE( 'ice and snow' )
821	ssnd(jps_hice:jps_hsnw)%laction = .TRUE.
822	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) THEN
823	ssnd(jps_hice:jps_hsnw)%nct = nn_cats_cpl
824	ENDIF
825	CASE ( 'weighted ice and snow' )
826	ssnd(jps_hice:jps_hsnw)%laction = .TRUE.
827	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) ssnd(jps_hice:jps_hsnw)%nct = nn_cats_cpl
828	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_thick%cldes' )
829	END SELECT
830
831	! Initialise ice fractions from last coupling time to zero
832	a_i_last_couple(:,:,:) = 0._wp
833
834
835	! ! ------------------------- !
836	! ! Ice Meltponds !
837	! ! ------------------------- !
838	! Needed by Met Office
839	ssnd(jps_a_p)%clname = 'OPndFrc'
840	ssnd(jps_ht_p)%clname = 'OPndTck'
841	SELECT CASE ( TRIM( sn_snd_mpnd%cldes ) )
842	CASE ( 'none' )
843	ssnd(jps_a_p)%laction = .FALSE.
844	ssnd(jps_ht_p)%laction = .FALSE.
845	CASE ( 'ice only' )
846	ssnd(jps_a_p)%laction = .TRUE.
847	ssnd(jps_ht_p)%laction = .TRUE.
848	IF ( TRIM( sn_snd_mpnd%clcat ) == 'yes' ) THEN
849	ssnd(jps_a_p)%nct = nn_cats_cpl
850	ssnd(jps_ht_p)%nct = nn_cats_cpl
851	ELSE
852	IF ( nn_cats_cpl > 1 ) THEN
853	CALL ctl_stop( 'sbc_cpl_init: use weighted ice option for sn_snd_mpnd%cldes if not exchanging category fields' )
854	ENDIF
855	ENDIF
856	CASE ( 'weighted ice' )
857	ssnd(jps_a_p)%laction = .TRUE.
858	ssnd(jps_ht_p)%laction = .TRUE.
859	IF ( TRIM( sn_snd_mpnd%clcat ) == 'yes' ) THEN
860	ssnd(jps_a_p)%nct = nn_cats_cpl
861	ssnd(jps_ht_p)%nct = nn_cats_cpl
862	ENDIF
863	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_mpnd%cldes; '//sn_snd_mpnd%cldes )
864	END SELECT
865
866	! ! ------------------------- !
867	! ! Surface current !
868	! ! ------------------------- !
869	! ocean currents ! ice velocities
870	ssnd(jps_ocx1)%clname = 'O_OCurx1' ; ssnd(jps_ivx1)%clname = 'O_IVelx1'
871	ssnd(jps_ocy1)%clname = 'O_OCury1' ; ssnd(jps_ivy1)%clname = 'O_IVely1'
872	ssnd(jps_ocz1)%clname = 'O_OCurz1' ; ssnd(jps_ivz1)%clname = 'O_IVelz1'
873	ssnd(jps_ocxw)%clname = 'O_OCurxw'
874	ssnd(jps_ocyw)%clname = 'O_OCuryw'
875	!
876	ssnd(jps_ocx1:jps_ivz1)%nsgn = -1. ! vectors: change of the sign at the north fold
877
878	IF( sn_snd_crt%clvgrd == 'U,V' ) THEN
879	ssnd(jps_ocx1)%clgrid = 'U' ; ssnd(jps_ocy1)%clgrid = 'V'
880	ELSE IF( sn_snd_crt%clvgrd /= 'T' ) THEN
881	CALL ctl_stop( 'sn_snd_crt%clvgrd must be equal to T' )
882	ssnd(jps_ocx1:jps_ivz1)%clgrid = 'T' ! all oce and ice components on the same unique grid
883	ENDIF
884	ssnd(jps_ocx1:jps_ivz1)%laction = .TRUE. ! default: all are send
885	IF( TRIM( sn_snd_crt%clvref ) == 'spherical' ) ssnd( (/jps_ocz1, jps_ivz1/) )%laction = .FALSE.
886	IF( TRIM( sn_snd_crt%clvor ) == 'eastward-northward' ) ssnd(jps_ocx1:jps_ivz1)%nsgn = 1.
887	SELECT CASE( TRIM( sn_snd_crt%cldes ) )
888	CASE( 'none' ) ; ssnd(jps_ocx1:jps_ivz1)%laction = .FALSE.
889	CASE( 'oce only' ) ; ssnd(jps_ivx1:jps_ivz1)%laction = .FALSE.
890	CASE( 'weighted oce and ice' ) ! nothing to do
891	CASE( 'mixed oce-ice' ) ; ssnd(jps_ivx1:jps_ivz1)%laction = .FALSE.
892	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_crt%cldes' )
893	END SELECT
894
895	ssnd(jps_ocxw:jps_ocyw)%nsgn = -1. ! vectors: change of the sign at the north fold
896
897	IF( sn_snd_crtw%clvgrd == 'U,V' ) THEN
898	ssnd(jps_ocxw)%clgrid = 'U' ; ssnd(jps_ocyw)%clgrid = 'V'
899	ELSE IF( sn_snd_crtw%clvgrd /= 'T' ) THEN
900	CALL ctl_stop( 'sn_snd_crtw%clvgrd must be equal to T' )
901	ENDIF
902	IF( TRIM( sn_snd_crtw%clvor ) == 'eastward-northward' ) ssnd(jps_ocxw:jps_ocyw)%nsgn = 1.
903	SELECT CASE( TRIM( sn_snd_crtw%cldes ) )
904	CASE( 'none' ) ; ssnd(jps_ocxw:jps_ocyw)%laction = .FALSE.
905	CASE( 'oce only' ) ; ssnd(jps_ocxw:jps_ocyw)%laction = .TRUE.
906	CASE( 'weighted oce and ice' ) ! nothing to do
907	CASE( 'mixed oce-ice' ) ; ssnd(jps_ivx1:jps_ivz1)%laction = .FALSE.
908	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_crtw%cldes' )
909	END SELECT
910
911	! ! ------------------------- !
912	! ! CO2 flux !
913	! ! ------------------------- !
914	ssnd(jps_co2)%clname = 'O_CO2FLX' ; IF( TRIM(sn_snd_co2%cldes) == 'coupled' ) ssnd(jps_co2 )%laction = .TRUE.
915	!
916	! ! ------------------------- !
917	! ! Sea surface freezing temp !
918	! ! ------------------------- !
919	! needed by Met Office
920	ssnd(jps_sstfrz)%clname = 'O_SSTFrz' ; IF( TRIM(sn_snd_sstfrz%cldes) == 'coupled' ) ssnd(jps_sstfrz)%laction = .TRUE.
921	!
922	! ! ------------------------- !
923	! ! Ice conductivity !
924	! ! ------------------------- !
925	! needed by Met Office
926	! Note that ultimately we will move to passing an ocean effective conductivity as well so there
927	! will be some changes to the parts of the code which currently relate only to ice conductivity
928	ssnd(jps_ttilyr )%clname = 'O_TtiLyr'
929	SELECT CASE ( TRIM( sn_snd_ttilyr%cldes ) )
930	CASE ( 'none' )
931	ssnd(jps_ttilyr)%laction = .FALSE.
932	CASE ( 'ice only' )
933	ssnd(jps_ttilyr)%laction = .TRUE.
934	IF ( TRIM( sn_snd_ttilyr%clcat ) == 'yes' ) THEN
935	ssnd(jps_ttilyr)%nct = nn_cats_cpl
936	ELSE
937	IF ( nn_cats_cpl > 1 ) THEN
938	CALL ctl_stop( 'sbc_cpl_init: use weighted ice option for sn_snd_ttilyr%cldes if not exchanging category fields' )
939	ENDIF
940	ENDIF
941	CASE ( 'weighted ice' )
942	ssnd(jps_ttilyr)%laction = .TRUE.
943	IF ( TRIM( sn_snd_ttilyr%clcat ) == 'yes' ) ssnd(jps_ttilyr)%nct = nn_cats_cpl
944	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_ttilyr%cldes;'//sn_snd_ttilyr%cldes )
945	END SELECT
946
947	ssnd(jps_kice )%clname = 'OIceKn'
948	SELECT CASE ( TRIM( sn_snd_cond%cldes ) )
949	CASE ( 'none' )
950	ssnd(jps_kice)%laction = .FALSE.
951	CASE ( 'ice only' )
952	ssnd(jps_kice)%laction = .TRUE.
953	IF ( TRIM( sn_snd_cond%clcat ) == 'yes' ) THEN
954	ssnd(jps_kice)%nct = nn_cats_cpl
955	ELSE
956	IF ( nn_cats_cpl > 1 ) THEN
957	CALL ctl_stop( 'sbc_cpl_init: use weighted ice option for sn_snd_cond%cldes if not exchanging category fields' )
958	ENDIF
959	ENDIF
960	CASE ( 'weighted ice' )
961	ssnd(jps_kice)%laction = .TRUE.
962	IF ( TRIM( sn_snd_cond%clcat ) == 'yes' ) ssnd(jps_kice)%nct = nn_cats_cpl
963	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_cond%cldes;'//sn_snd_cond%cldes )
964	END SELECT
965	!
966	! ! ------------------------- !
967	! ! Sea surface height !
968	! ! ------------------------- !
969	ssnd(jps_wlev)%clname = 'O_Wlevel' ; IF( TRIM(sn_snd_wlev%cldes) == 'coupled' ) ssnd(jps_wlev)%laction = .TRUE.
970
971	! ! ------------------------------- !
972	! ! OPA-SAS coupling - snd by opa !
973	! ! ------------------------------- !
974	ssnd(jps_ssh )%clname = 'O_SSHght'
975	ssnd(jps_soce )%clname = 'O_SSSal'
976	ssnd(jps_e3t1st)%clname = 'O_E3T1st'
977	ssnd(jps_fraqsr)%clname = 'O_FraQsr'
978	!
979	IF( nn_components == jp_iam_opa ) THEN
980	ssnd(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
981	ssnd( (/jps_toce, jps_soce, jps_ssh, jps_fraqsr, jps_ocx1, jps_ocy1/) )%laction = .TRUE.
982	ssnd( jps_e3t1st )%laction = .NOT.ln_linssh
983	! vector definition: not used but cleaner...
984	ssnd(jps_ocx1)%clgrid = 'U' ! oce components given at U-point
985	ssnd(jps_ocy1)%clgrid = 'V' ! and V-point
986	sn_snd_crt%clvgrd = 'U,V'
987	sn_snd_crt%clvor = 'local grid'
988	sn_snd_crt%clvref = 'spherical'
989	!
990	IF(lwp) THEN ! control print
991	WRITE(numout,*)
992	WRITE(numout,*)' sent fields to SAS component '
993	WRITE(numout,*)' sea surface temperature (T before, Celsius) '
994	WRITE(numout,*)' sea surface salinity '
995	WRITE(numout,*)' surface currents U,V on local grid and spherical coordinates'
996	WRITE(numout,*)' sea surface height '
997	WRITE(numout,*)' thickness of first ocean T level '
998	WRITE(numout,*)' fraction of solar net radiation absorbed in the first ocean level'
999	WRITE(numout,*)
1000	ENDIF
1001	ENDIF
1002	! ! ------------------------------- !
1003	! ! OPA-SAS coupling - snd by sas !
1004	! ! ------------------------------- !
1005	ssnd(jps_sflx )%clname = 'I_SFLX'
1006	ssnd(jps_fice2 )%clname = 'IIceFrc'
1007	ssnd(jps_qsroce)%clname = 'I_QsrOce'
1008	ssnd(jps_qnsoce)%clname = 'I_QnsOce'
1009	ssnd(jps_oemp )%clname = 'IOEvaMPr'
1010	ssnd(jps_otx1 )%clname = 'I_OTaux1'
1011	ssnd(jps_oty1 )%clname = 'I_OTauy1'
1012	ssnd(jps_rnf )%clname = 'I_Runoff'
1013	ssnd(jps_taum )%clname = 'I_TauMod'
1014	!
1015	IF( nn_components == jp_iam_sas ) THEN
1016	IF( .NOT. ln_cpl ) ssnd(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
1017	ssnd( (/jps_qsroce, jps_qnsoce, jps_oemp, jps_fice2, jps_sflx, jps_otx1, jps_oty1, jps_taum/) )%laction = .TRUE.
1018	!
1019	! Change first letter to couple with atmosphere if already coupled with sea_ice
1020	! this is nedeed as each variable name used in the namcouple must be unique:
1021	! for example O_SSTSST sent by OPA to SAS and therefore S_SSTSST sent by SAS to the Atmosphere
1022	DO jn = 1, jpsnd
1023	IF ( ssnd(jn)%clname(1:1) == "O" ) ssnd(jn)%clname = "S"//ssnd(jn)%clname(2:LEN(ssnd(jn)%clname))
1024	END DO
1025	!
1026	IF(lwp) THEN ! control print
1027	WRITE(numout,*)
1028	IF( .NOT. ln_cpl ) THEN
1029	WRITE(numout,*)' sent fields to OPA component '
1030	ELSE
1031	WRITE(numout,*)' Additional sent fields to OPA component : '
1032	ENDIF
1033	WRITE(numout,*)' ice cover '
1034	WRITE(numout,*)' oce only EMP '
1035	WRITE(numout,*)' salt flux '
1036	WRITE(numout,*)' mixed oce-ice solar flux '
1037	WRITE(numout,*)' mixed oce-ice non solar flux '
1038	WRITE(numout,*)' wind stress U,V components'
1039	WRITE(numout,*)' wind stress module'
1040	ENDIF
1041	ENDIF
1042
1043	!
1044	! ================================ !
1045	! initialisation of the coupler !
1046	! ================================ !
1047
1048	CALL cpl_define(jprcv, jpsnd, nn_cplmodel)
1049
1050	IF (ln_usecplmask) THEN
1051	xcplmask(:,:,:) = 0.
1052	CALL iom_open( 'cplmask', inum )
1053	CALL iom_get( inum, jpdom_unknown, 'cplmask', xcplmask(1:nlci,1:nlcj,1:nn_cplmodel), &
1054	& kstart = (/ mig(1),mjg(1),1 /), kcount = (/ nlci,nlcj,nn_cplmodel /) )
1055	CALL iom_close( inum )
1056	ELSE
1057	xcplmask(:,:,:) = 1.
1058	ENDIF
1059	xcplmask(:,:,0) = 1. - SUM( xcplmask(:,:,1:nn_cplmodel), dim = 3 )
1060	!
1061	ncpl_qsr_freq = cpl_freq( 'O_QsrOce' ) + cpl_freq( 'O_QsrMix' ) + cpl_freq( 'I_QsrOce' ) + cpl_freq( 'I_QsrMix' )
1062	IF( ln_dm2dc .AND. ln_cpl .AND. ncpl_qsr_freq /= 86400 ) &
1063	& CALL ctl_stop( 'sbc_cpl_init: diurnal cycle reconstruction (ln_dm2dc) needs daily couping for solar radiation' )
1064	IF( ln_dm2dc .AND. ln_cpl ) ncpl_qsr_freq = 86400 / ncpl_qsr_freq
1065	!
1066	END SUBROUTINE sbc_cpl_init
1067
1068
1069	SUBROUTINE sbc_cpl_rcv( kt, k_fsbc, k_ice )
1070	!!----------------------------------------------------------------------
1071	!! * ROUTINE sbc_cpl_rcv *
1072	!!
1073	!! ** Purpose : provide the stress over the ocean and, if no sea-ice,
1074	!! provide the ocean heat and freshwater fluxes.
1075	!!
1076	!! ** Method : - Receive all the atmospheric fields (stored in frcv array). called at each time step.
1077	!! OASIS controls if there is something do receive or not. nrcvinfo contains the info
1078	!! to know if the field was really received or not
1079	!!
1080	!! --> If ocean stress was really received:
1081	!!
1082	!! - transform the received ocean stress vector from the received
1083	!! referential and grid into an atmosphere-ocean stress in
1084	!! the (i,j) ocean referencial and at the ocean velocity point.
1085	!! The received stress are :
1086	!! - defined by 3 components (if cartesian coordinate)
1087	!! or by 2 components (if spherical)
1088	!! - oriented along geographical coordinate (if eastward-northward)
1089	!! or along the local grid coordinate (if local grid)
1090	!! - given at U- and V-point, resp. if received on 2 grids
1091	!! or at T-point if received on 1 grid
1092	!! Therefore and if necessary, they are successively
1093	!! processed in order to obtain them
1094	!! first as 2 components on the sphere
1095	!! second as 2 components oriented along the local grid
1096	!! third as 2 components on the U,V grid
1097	!!
1098	!! -->
1099	!!
1100	!! - In 'ocean only' case, non solar and solar ocean heat fluxes
1101	!! and total ocean freshwater fluxes
1102	!!
1103	!! ** Method : receive all fields from the atmosphere and transform
1104	!! them into ocean surface boundary condition fields
1105	!!
1106	!! ** Action : update utau, vtau ocean stress at U,V grid
1107	!! taum wind stress module at T-point
1108	!! wndm wind speed module at T-point over free ocean or leads in presence of sea-ice
1109	!! qns non solar heat fluxes including emp heat content (ocean only case)
1110	!! and the latent heat flux of solid precip. melting
1111	!! qsr solar ocean heat fluxes (ocean only case)
1112	!! emp upward mass flux [evap. - precip. (- runoffs) (- calving)] (ocean only case)
1113	!!----------------------------------------------------------------------
1114	USE zdf_oce, ONLY : ln_zdfswm
1115	!
1116	INTEGER, INTENT(in) :: kt ! ocean model time step index
1117	INTEGER, INTENT(in) :: k_fsbc ! frequency of sbc (-> ice model) computation
1118	INTEGER, INTENT(in) :: k_ice ! ice management in the sbc (=0/1/2/3)
1119	!!
1120	LOGICAL :: llnewtx, llnewtau ! update wind stress components and module??
1121	INTEGER :: ji, jj, jn ! dummy loop indices
1122	INTEGER :: isec ! number of seconds since nit000 (assuming rdt did not change since nit000)
1123	REAL(wp) :: zcumulneg, zcumulpos ! temporary scalars
1124	REAL(wp) :: zcoef ! temporary scalar
1125	REAL(wp) :: zrhoa = 1.22 ! Air density kg/m3
1126	REAL(wp) :: zcdrag = 1.5e-3 ! drag coefficient
1127	REAL(wp) :: zzx, zzy ! temporary variables
1128	REAL(wp), DIMENSION(jpi,jpj) :: ztx, zty, zmsk, zemp, zqns, zqsr
1129	!!----------------------------------------------------------------------
1130	!
1131	IF( ln_mixcpl ) zmsk(:,:) = 1. - xcplmask(:,:,0)
1132	!
1133	! ! ======================================================= !
1134	! ! Receive all the atmos. fields (including ice information)
1135	! ! ======================================================= !
1136	isec = ( kt - nit000 ) * NINT( rdt ) ! date of exchanges
1137	DO jn = 1, jprcv ! received fields sent by the atmosphere
1138	IF( srcv(jn)%laction ) CALL cpl_rcv( jn, isec, frcv(jn)%z3, xcplmask(:,:,1:nn_cplmodel), nrcvinfo(jn) )
1139	END DO
1140
1141	! ! ========================= !
1142	IF( srcv(jpr_otx1)%laction ) THEN ! ocean stress components !
1143	! ! ========================= !
1144	! define frcv(jpr_otx1)%z3(:,:,1) and frcv(jpr_oty1)%z3(:,:,1): stress at U/V point along model grid
1145	! => need to be done only when we receive the field
1146	IF( nrcvinfo(jpr_otx1) == OASIS_Rcv ) THEN
1147	!
1148	IF( TRIM( sn_rcv_tau%clvref ) == 'cartesian' ) THEN ! 2 components on the sphere
1149	! ! (cartesian to spherical -> 3 to 2 components)
1150	!
1151	CALL geo2oce( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), frcv(jpr_otz1)%z3(:,:,1), &
1152	& srcv(jpr_otx1)%clgrid, ztx, zty )
1153	frcv(jpr_otx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 1st grid
1154	frcv(jpr_oty1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 1st grid
1155	!
1156	IF( srcv(jpr_otx2)%laction ) THEN
1157	CALL geo2oce( frcv(jpr_otx2)%z3(:,:,1), frcv(jpr_oty2)%z3(:,:,1), frcv(jpr_otz2)%z3(:,:,1), &
1158	& srcv(jpr_otx2)%clgrid, ztx, zty )
1159	frcv(jpr_otx2)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 2nd grid
1160	frcv(jpr_oty2)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 2nd grid
1161	ENDIF
1162	!
1163	ENDIF
1164	!
1165	IF( TRIM( sn_rcv_tau%clvor ) == 'eastward-northward' ) THEN ! 2 components oriented along the local grid
1166	! ! (geographical to local grid -> rotate the components)
1167	CALL rot_rep( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), srcv(jpr_otx1)%clgrid, 'en->i', ztx )
1168	IF( srcv(jpr_otx2)%laction ) THEN
1169	CALL rot_rep( frcv(jpr_otx2)%z3(:,:,1), frcv(jpr_oty2)%z3(:,:,1), srcv(jpr_otx2)%clgrid, 'en->j', zty )
1170	ELSE
1171	CALL rot_rep( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), srcv(jpr_otx1)%clgrid, 'en->j', zty )
1172	ENDIF
1173	frcv(jpr_otx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st component on the 1st grid
1174	frcv(jpr_oty1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd component on the 2nd grid
1175	ENDIF
1176	!
1177	IF( srcv(jpr_otx1)%clgrid == 'T' ) THEN
1178	DO jj = 2, jpjm1 ! T ==> (U,V)
1179	DO ji = fs_2, fs_jpim1 ! vector opt.
1180	frcv(jpr_otx1)%z3(ji,jj,1) = 0.5 * ( frcv(jpr_otx1)%z3(ji+1,jj ,1) + frcv(jpr_otx1)%z3(ji,jj,1) )
1181	frcv(jpr_oty1)%z3(ji,jj,1) = 0.5 * ( frcv(jpr_oty1)%z3(ji ,jj+1,1) + frcv(jpr_oty1)%z3(ji,jj,1) )
1182	END DO
1183	END DO
1184	CALL lbc_lnk_multi( 'sbccpl', frcv(jpr_otx1)%z3(:,:,1), 'U', -1., frcv(jpr_oty1)%z3(:,:,1), 'V', -1. )
1185	ENDIF
1186	llnewtx = .TRUE.
1187	ELSE
1188	llnewtx = .FALSE.
1189	ENDIF
1190	! ! ========================= !
1191	ELSE ! No dynamical coupling !
1192	! ! ========================= !
1193	frcv(jpr_otx1)%z3(:,:,1) = 0.e0 ! here simply set to zero
1194	frcv(jpr_oty1)%z3(:,:,1) = 0.e0 ! an external read in a file can be added instead
1195	llnewtx = .TRUE.
1196	!
1197	ENDIF
1198	! ! ========================= !
1199	! ! wind stress module ! (taum)
1200	! ! ========================= !
1201	IF( .NOT. srcv(jpr_taum)%laction ) THEN ! compute wind stress module from its components if not received
1202	! => need to be done only when otx1 was changed
1203	IF( llnewtx ) THEN
1204	DO jj = 2, jpjm1
1205	DO ji = fs_2, fs_jpim1 ! vect. opt.
1206	zzx = frcv(jpr_otx1)%z3(ji-1,jj ,1) + frcv(jpr_otx1)%z3(ji,jj,1)
1207	zzy = frcv(jpr_oty1)%z3(ji ,jj-1,1) + frcv(jpr_oty1)%z3(ji,jj,1)
1208	frcv(jpr_taum)%z3(ji,jj,1) = 0.5 * SQRT( zzx * zzx + zzy * zzy )
1209	END DO
1210	END DO
1211	CALL lbc_lnk( 'sbccpl', frcv(jpr_taum)%z3(:,:,1), 'T', 1. )
1212	llnewtau = .TRUE.
1213	ELSE
1214	llnewtau = .FALSE.
1215	ENDIF
1216	ELSE
1217	llnewtau = nrcvinfo(jpr_taum) == OASIS_Rcv
1218	! Stress module can be negative when received (interpolation problem)
1219	IF( llnewtau ) THEN
1220	frcv(jpr_taum)%z3(:,:,1) = MAX( 0._wp, frcv(jpr_taum)%z3(:,:,1) )
1221	ENDIF
1222	ENDIF
1223	!
1224	! ! ========================= !
1225	! ! 10 m wind speed ! (wndm)
1226	! ! ========================= !
1227	IF( .NOT. srcv(jpr_w10m)%laction ) THEN ! compute wind spreed from wind stress module if not received
1228	! => need to be done only when taumod was changed
1229	IF( llnewtau ) THEN
1230	zcoef = 1. / ( zrhoa * zcdrag )
1231	DO jj = 1, jpj
1232	DO ji = 1, jpi
1233	frcv(jpr_w10m)%z3(ji,jj,1) = SQRT( frcv(jpr_taum)%z3(ji,jj,1) * zcoef )
1234	END DO
1235	END DO
1236	ENDIF
1237	ENDIF
1238
1239	! u(v)tau and taum will be modified by ice model
1240	! -> need to be reset before each call of the ice/fsbc
1241	IF( MOD( kt-1, k_fsbc ) == 0 ) THEN
1242	!
1243	IF( ln_mixcpl ) THEN
1244	utau(:,:) = utau(:,:) * xcplmask(:,:,0) + frcv(jpr_otx1)%z3(:,:,1) * zmsk(:,:)
1245	vtau(:,:) = vtau(:,:) * xcplmask(:,:,0) + frcv(jpr_oty1)%z3(:,:,1) * zmsk(:,:)
1246	taum(:,:) = taum(:,:) * xcplmask(:,:,0) + frcv(jpr_taum)%z3(:,:,1) * zmsk(:,:)
1247	wndm(:,:) = wndm(:,:) * xcplmask(:,:,0) + frcv(jpr_w10m)%z3(:,:,1) * zmsk(:,:)
1248	ELSE
1249	utau(:,:) = frcv(jpr_otx1)%z3(:,:,1)
1250	vtau(:,:) = frcv(jpr_oty1)%z3(:,:,1)
1251	taum(:,:) = frcv(jpr_taum)%z3(:,:,1)
1252	wndm(:,:) = frcv(jpr_w10m)%z3(:,:,1)
1253	ENDIF
1254	CALL iom_put( "taum_oce", taum ) ! output wind stress module
1255	!
1256	ENDIF
1257
1258	! ! ================== !
1259	! ! atmosph. CO2 (ppm) !
1260	! ! ================== !
1261	IF( srcv(jpr_co2)%laction ) atm_co2(:,:) = frcv(jpr_co2)%z3(:,:,1)
1262	!
1263	! ! ================== !
1264	! ! ice skin temp. !
1265	! ! ================== !
1266	#if defined key_si3
1267	! needed by Met Office
1268	IF( srcv(jpr_ts_ice)%laction ) THEN
1269	WHERE ( frcv(jpr_ts_ice)%z3(:,:,:) > 0.0 ) ; tsfc_ice(:,:,:) = 0.0
1270	ELSEWHERE( frcv(jpr_ts_ice)%z3(:,:,:) < -60. ) ; tsfc_ice(:,:,:) = -60.
1271	ELSEWHERE ; tsfc_ice(:,:,:) = frcv(jpr_ts_ice)%z3(:,:,:)
1272	END WHERE
1273	ENDIF
1274	#endif
1275	! ! ========================= !
1276	! ! Mean Sea Level Pressure ! (taum)
1277	! ! ========================= !
1278	IF( srcv(jpr_mslp)%laction ) THEN ! UKMO SHELF effect of atmospheric pressure on SSH
1279	IF( kt /= nit000 ) ssh_ibb(:,:) = ssh_ib(:,:) !* Swap of ssh_ib fields
1280
1281	r1_grau = 1.e0 / (grav * rau0) !* constant for optimization
1282	ssh_ib(:,:) = - ( frcv(jpr_mslp)%z3(:,:,1) - rpref ) * r1_grau ! equivalent ssh (inverse barometer)
1283	apr (:,:) = frcv(jpr_mslp)%z3(:,:,1) !atmospheric pressure
1284
1285	IF( kt == nit000 ) ssh_ibb(:,:) = ssh_ib(:,:) ! correct this later (read from restart if possible)
1286	END IF
1287	!
1288	IF( ln_sdw ) THEN ! Stokes Drift correction activated
1289	! ! ========================= !
1290	! ! Stokes drift u !
1291	! ! ========================= !
1292	IF( srcv(jpr_sdrftx)%laction ) ut0sd(:,:) = frcv(jpr_sdrftx)%z3(:,:,1)
1293	!
1294	! ! ========================= !
1295	! ! Stokes drift v !
1296	! ! ========================= !
1297	IF( srcv(jpr_sdrfty)%laction ) vt0sd(:,:) = frcv(jpr_sdrfty)%z3(:,:,1)
1298	!
1299	! ! ========================= !
1300	! ! Wave mean period !
1301	! ! ========================= !
1302	IF( srcv(jpr_wper)%laction ) wmp(:,:) = frcv(jpr_wper)%z3(:,:,1)
1303	!
1304	! ! ========================= !
1305	! ! Significant wave height !
1306	! ! ========================= !
1307	IF( srcv(jpr_hsig)%laction ) hsw(:,:) = frcv(jpr_hsig)%z3(:,:,1)
1308	!
1309	! ! ========================= !
1310	! ! Wave peak frequency !
1311	! ! ========================= !
1312	IF( srcv(jpr_wfreq)%laction ) wfreq(:,:) = frcv(jpr_wfreq)%z3(:,:,1)
1313	!
1314	! ! ========================= !
1315	! ! Vertical mixing Qiao !
1316	! ! ========================= !
1317	IF( srcv(jpr_wnum)%laction .AND. ln_zdfswm ) wnum(:,:) = frcv(jpr_wnum)%z3(:,:,1)
1318
1319	! Calculate the 3D Stokes drift both in coupled and not fully uncoupled mode
1320	IF( srcv(jpr_sdrftx)%laction .OR. srcv(jpr_sdrfty)%laction .OR. srcv(jpr_wper)%laction &
1321	.OR. srcv(jpr_hsig)%laction .OR. srcv(jpr_wfreq)%laction) THEN
1322	CALL sbc_stokes()
1323	ENDIF
1324	ENDIF
1325	! ! ========================= !
1326	! ! Stress adsorbed by waves !
1327	! ! ========================= !
1328	IF( srcv(jpr_tauwoc)%laction .AND. ln_tauwoc ) tauoc_wave(:,:) = frcv(jpr_tauwoc)%z3(:,:,1)
1329
1330	! ! ========================= !
1331	! ! Stress component by waves !
1332	! ! ========================= !
1333	IF( srcv(jpr_tauwx)%laction .AND. srcv(jpr_tauwy)%laction .AND. ln_tauw ) THEN
1334	tauw_x(:,:) = frcv(jpr_tauwx)%z3(:,:,1)
1335	tauw_y(:,:) = frcv(jpr_tauwy)%z3(:,:,1)
1336	ENDIF
1337
1338	! ! ========================= !
1339	! ! Wave drag coefficient !
1340	! ! ========================= !
1341	IF( srcv(jpr_wdrag)%laction .AND. ln_cdgw ) cdn_wave(:,:) = frcv(jpr_wdrag)%z3(:,:,1)
1342
1343	! Fields received by SAS when OASIS coupling
1344	! (arrays no more filled at sbcssm stage)
1345	! ! ================== !
1346	! ! SSS !
1347	! ! ================== !
1348	IF( srcv(jpr_soce)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1349	sss_m(:,:) = frcv(jpr_soce)%z3(:,:,1)
1350	CALL iom_put( 'sss_m', sss_m )
1351	ENDIF
1352	!
1353	! ! ================== !
1354	! ! SST !
1355	! ! ================== !
1356	IF( srcv(jpr_toce)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1357	sst_m(:,:) = frcv(jpr_toce)%z3(:,:,1)
1358	IF( srcv(jpr_soce)%laction .AND. l_useCT ) THEN ! make sure that sst_m is the potential temperature
1359	sst_m(:,:) = eos_pt_from_ct( sst_m(:,:), sss_m(:,:) )
1360	ENDIF
1361	ENDIF
1362	! ! ================== !
1363	! ! SSH !
1364	! ! ================== !
1365	IF( srcv(jpr_ssh )%laction ) THEN ! received by sas in case of opa <-> sas coupling
1366	ssh_m(:,:) = frcv(jpr_ssh )%z3(:,:,1)
1367	CALL iom_put( 'ssh_m', ssh_m )
1368	ENDIF
1369	! ! ================== !
1370	! ! surface currents !
1371	! ! ================== !
1372	IF( srcv(jpr_ocx1)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1373	ssu_m(:,:) = frcv(jpr_ocx1)%z3(:,:,1)
1374	ub (:,:,1) = ssu_m(:,:) ! will be used in icestp in the call of ice_forcing_tau
1375	un (:,:,1) = ssu_m(:,:) ! will be used in sbc_cpl_snd if atmosphere coupling
1376	CALL iom_put( 'ssu_m', ssu_m )
1377	ENDIF
1378	IF( srcv(jpr_ocy1)%laction ) THEN
1379	ssv_m(:,:) = frcv(jpr_ocy1)%z3(:,:,1)
1380	vb (:,:,1) = ssv_m(:,:) ! will be used in icestp in the call of ice_forcing_tau
1381	vn (:,:,1) = ssv_m(:,:) ! will be used in sbc_cpl_snd if atmosphere coupling
1382	CALL iom_put( 'ssv_m', ssv_m )
1383	ENDIF
1384	! ! ======================== !
1385	! ! first T level thickness !
1386	! ! ======================== !
1387	IF( srcv(jpr_e3t1st )%laction ) THEN ! received by sas in case of opa <-> sas coupling
1388	e3t_m(:,:) = frcv(jpr_e3t1st )%z3(:,:,1)
1389	CALL iom_put( 'e3t_m', e3t_m(:,:) )
1390	ENDIF
1391	! ! ================================ !
1392	! ! fraction of solar net radiation !
1393	! ! ================================ !
1394	IF( srcv(jpr_fraqsr)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1395	frq_m(:,:) = frcv(jpr_fraqsr)%z3(:,:,1)
1396	CALL iom_put( 'frq_m', frq_m )
1397	ENDIF
1398
1399	! ! ========================= !
1400	IF( k_ice <= 1 .AND. MOD( kt-1, k_fsbc ) == 0 ) THEN ! heat & freshwater fluxes ! (Ocean only case)
1401	! ! ========================= !
1402	!
1403	! ! total freshwater fluxes over the ocean (emp)
1404	IF( srcv(jpr_oemp)%laction .OR. srcv(jpr_rain)%laction ) THEN
1405	SELECT CASE( TRIM( sn_rcv_emp%cldes ) ) ! evaporation - precipitation
1406	CASE( 'conservative' )
1407	zemp(:,:) = frcv(jpr_tevp)%z3(:,:,1) - ( frcv(jpr_rain)%z3(:,:,1) + frcv(jpr_snow)%z3(:,:,1) )
1408	CASE( 'oce only', 'oce and ice' )
1409	zemp(:,:) = frcv(jpr_oemp)%z3(:,:,1)
1410	CASE default
1411	CALL ctl_stop( 'sbc_cpl_rcv: wrong definition of sn_rcv_emp%cldes' )
1412	END SELECT
1413	ELSE
1414	zemp(:,:) = 0._wp
1415	ENDIF
1416	!
1417	! ! runoffs and calving (added in emp)
1418	IF( srcv(jpr_rnf)%laction ) rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1419	IF( srcv(jpr_cal)%laction ) zemp(:,:) = zemp(:,:) - frcv(jpr_cal)%z3(:,:,1)
1420
1421	IF( srcv(jpr_icb)%laction ) THEN
1422	fwficb(:,:) = frcv(jpr_icb)%z3(:,:,1)
1423	rnf(:,:) = rnf(:,:) + fwficb(:,:) ! iceberg added to runfofs
1424	ENDIF
1425	IF( srcv(jpr_isf)%laction ) fwfisf(:,:) = - frcv(jpr_isf)%z3(:,:,1) ! fresh water flux from the isf (fwfisf <0 mean melting)
1426
1427	IF( ln_mixcpl ) THEN ; emp(:,:) = emp(:,:) * xcplmask(:,:,0) + zemp(:,:) * zmsk(:,:)
1428	ELSE ; emp(:,:) = zemp(:,:)
1429	ENDIF
1430	!
1431	! ! non solar heat flux over the ocean (qns)
1432	IF( srcv(jpr_qnsoce)%laction ) THEN ; zqns(:,:) = frcv(jpr_qnsoce)%z3(:,:,1)
1433	ELSE IF( srcv(jpr_qnsmix)%laction ) THEN ; zqns(:,:) = frcv(jpr_qnsmix)%z3(:,:,1)
1434	ELSE ; zqns(:,:) = 0._wp
1435	END IF
1436	! update qns over the free ocean with:
1437	IF( nn_components /= jp_iam_opa ) THEN
1438	zqns(:,:) = zqns(:,:) - zemp(:,:) * sst_m(:,:) * rcp ! remove heat content due to mass flux (assumed to be at SST)
1439	IF( srcv(jpr_snow )%laction ) THEN
1440	zqns(:,:) = zqns(:,:) - frcv(jpr_snow)%z3(:,:,1) * rLfus ! energy for melting solid precipitation over the free ocean
1441	ENDIF
1442	ENDIF
1443	!
1444	IF( srcv(jpr_icb)%laction ) zqns(:,:) = zqns(:,:) - frcv(jpr_icb)%z3(:,:,1) * rLfus ! remove heat content associated to iceberg melting
1445	!
1446	IF( ln_mixcpl ) THEN ; qns(:,:) = qns(:,:) * xcplmask(:,:,0) + zqns(:,:) * zmsk(:,:)
1447	ELSE ; qns(:,:) = zqns(:,:)
1448	ENDIF
1449
1450	! ! solar flux over the ocean (qsr)
1451	IF ( srcv(jpr_qsroce)%laction ) THEN ; zqsr(:,:) = frcv(jpr_qsroce)%z3(:,:,1)
1452	ELSE IF( srcv(jpr_qsrmix)%laction ) then ; zqsr(:,:) = frcv(jpr_qsrmix)%z3(:,:,1)
1453	ELSE ; zqsr(:,:) = 0._wp
1454	ENDIF
1455	IF( ln_dm2dc .AND. ln_cpl ) zqsr(:,:) = sbc_dcy( zqsr ) ! modify qsr to include the diurnal cycle
1456	IF( ln_mixcpl ) THEN ; qsr(:,:) = qsr(:,:) * xcplmask(:,:,0) + zqsr(:,:) * zmsk(:,:)
1457	ELSE ; qsr(:,:) = zqsr(:,:)
1458	ENDIF
1459	!
1460	! salt flux over the ocean (received by opa in case of opa <-> sas coupling)
1461	IF( srcv(jpr_sflx )%laction ) sfx(:,:) = frcv(jpr_sflx )%z3(:,:,1)
1462	! Ice cover (received by opa in case of opa <-> sas coupling)
1463	IF( srcv(jpr_fice )%laction ) fr_i(:,:) = frcv(jpr_fice )%z3(:,:,1)
1464	!
1465	ENDIF
1466	!
1467	END SUBROUTINE sbc_cpl_rcv
1468
1469
1470	SUBROUTINE sbc_cpl_ice_tau( p_taui, p_tauj )
1471	!!----------------------------------------------------------------------
1472	!! * ROUTINE sbc_cpl_ice_tau *
1473	!!
1474	!! ** Purpose : provide the stress over sea-ice in coupled mode
1475	!!
1476	!! ** Method : transform the received stress from the atmosphere into
1477	!! an atmosphere-ice stress in the (i,j) ocean referencial
1478	!! and at the velocity point of the sea-ice model:
1479	!! 'C'-grid : i- (j-) components given at U- (V-) point
1480	!!
1481	!! The received stress are :
1482	!! - defined by 3 components (if cartesian coordinate)
1483	!! or by 2 components (if spherical)
1484	!! - oriented along geographical coordinate (if eastward-northward)
1485	!! or along the local grid coordinate (if local grid)
1486	!! - given at U- and V-point, resp. if received on 2 grids
1487	!! or at a same point (T or I) if received on 1 grid
1488	!! Therefore and if necessary, they are successively
1489	!! processed in order to obtain them
1490	!! first as 2 components on the sphere
1491	!! second as 2 components oriented along the local grid
1492	!! third as 2 components on the ice grid point
1493	!!
1494	!! Except in 'oce and ice' case, only one vector stress field
1495	!! is received. It has already been processed in sbc_cpl_rcv
1496	!! so that it is now defined as (i,j) components given at U-
1497	!! and V-points, respectively.
1498	!!
1499	!! ** Action : return ptau_i, ptau_j, the stress over the ice
1500	!!----------------------------------------------------------------------
1501	REAL(wp), INTENT(out), DIMENSION(:,:) :: p_taui ! i- & j-components of atmos-ice stress [N/m2]
1502	REAL(wp), INTENT(out), DIMENSION(:,:) :: p_tauj ! at I-point (B-grid) or U & V-point (C-grid)
1503	!!
1504	INTEGER :: ji, jj ! dummy loop indices
1505	INTEGER :: itx ! index of taux over ice
1506	REAL(wp), DIMENSION(jpi,jpj) :: ztx, zty
1507	!!----------------------------------------------------------------------
1508	!
1509	IF( srcv(jpr_itx1)%laction ) THEN ; itx = jpr_itx1
1510	ELSE ; itx = jpr_otx1
1511	ENDIF
1512
1513	! do something only if we just received the stress from atmosphere
1514	IF( nrcvinfo(itx) == OASIS_Rcv ) THEN
1515	! ! ======================= !
1516	IF( srcv(jpr_itx1)%laction ) THEN ! ice stress received !
1517	! ! ======================= !
1518	!
1519	IF( TRIM( sn_rcv_tau%clvref ) == 'cartesian' ) THEN ! 2 components on the sphere
1520	! ! (cartesian to spherical -> 3 to 2 components)
1521	CALL geo2oce( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), frcv(jpr_itz1)%z3(:,:,1), &
1522	& srcv(jpr_itx1)%clgrid, ztx, zty )
1523	frcv(jpr_itx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 1st grid
1524	frcv(jpr_ity1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 1st grid
1525	!
1526	IF( srcv(jpr_itx2)%laction ) THEN
1527	CALL geo2oce( frcv(jpr_itx2)%z3(:,:,1), frcv(jpr_ity2)%z3(:,:,1), frcv(jpr_itz2)%z3(:,:,1), &
1528	& srcv(jpr_itx2)%clgrid, ztx, zty )
1529	frcv(jpr_itx2)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 2nd grid
1530	frcv(jpr_ity2)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 2nd grid
1531	ENDIF
1532	!
1533	ENDIF
1534	!
1535	IF( TRIM( sn_rcv_tau%clvor ) == 'eastward-northward' ) THEN ! 2 components oriented along the local grid
1536	! ! (geographical to local grid -> rotate the components)
1537	CALL rot_rep( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), srcv(jpr_itx1)%clgrid, 'en->i', ztx )
1538	IF( srcv(jpr_itx2)%laction ) THEN
1539	CALL rot_rep( frcv(jpr_itx2)%z3(:,:,1), frcv(jpr_ity2)%z3(:,:,1), srcv(jpr_itx2)%clgrid, 'en->j', zty )
1540	ELSE
1541	CALL rot_rep( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), srcv(jpr_itx1)%clgrid, 'en->j', zty )
1542	ENDIF
1543	frcv(jpr_itx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st component on the 1st grid
1544	frcv(jpr_ity1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd component on the 1st grid
1545	ENDIF
1546	! ! ======================= !
1547	ELSE ! use ocean stress !
1548	! ! ======================= !
1549	frcv(jpr_itx1)%z3(:,:,1) = frcv(jpr_otx1)%z3(:,:,1)
1550	frcv(jpr_ity1)%z3(:,:,1) = frcv(jpr_oty1)%z3(:,:,1)
1551	!
1552	ENDIF
1553	! ! ======================= !
1554	! ! put on ice grid !
1555	! ! ======================= !
1556	!
1557	! j+1 j -----V---F
1558	! ice stress on ice velocity point ! \|
1559	! (C-grid ==>(U,V)) j \| T U
1560	! \| \|
1561	! j j-1 -I-------\|
1562	! (for I) \| \|
1563	! i-1 i i
1564	! i i+1 (for I)
1565	SELECT CASE ( srcv(jpr_itx1)%clgrid )
1566	CASE( 'U' )
1567	p_taui(:,:) = frcv(jpr_itx1)%z3(:,:,1) ! (U,V) ==> (U,V)
1568	p_tauj(:,:) = frcv(jpr_ity1)%z3(:,:,1)
1569	CASE( 'F' )
1570	DO jj = 2, jpjm1 ! F ==> (U,V)
1571	DO ji = fs_2, fs_jpim1 ! vector opt.
1572	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji,jj,1) + frcv(jpr_itx1)%z3(ji ,jj-1,1) )
1573	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji,jj,1) + frcv(jpr_ity1)%z3(ji-1,jj ,1) )
1574	END DO
1575	END DO
1576	CASE( 'T' )
1577	DO jj = 2, jpjm1 ! T ==> (U,V)
1578	DO ji = fs_2, fs_jpim1 ! vector opt.
1579	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji+1,jj ,1) + frcv(jpr_itx1)%z3(ji,jj,1) )
1580	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji ,jj+1,1) + frcv(jpr_ity1)%z3(ji,jj,1) )
1581	END DO
1582	END DO
1583	CASE( 'I' )
1584	DO jj = 2, jpjm1 ! I ==> (U,V)
1585	DO ji = 2, jpim1 ! NO vector opt.
1586	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji+1,jj+1,1) + frcv(jpr_itx1)%z3(ji+1,jj ,1) )
1587	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji+1,jj+1,1) + frcv(jpr_ity1)%z3(ji ,jj+1,1) )
1588	END DO
1589	END DO
1590	END SELECT
1591	IF( srcv(jpr_itx1)%clgrid /= 'U' ) THEN
1592	CALL lbc_lnk_multi( 'sbccpl', p_taui, 'U', -1., p_tauj, 'V', -1. )
1593	ENDIF
1594
1595	ENDIF
1596	!
1597	END SUBROUTINE sbc_cpl_ice_tau
1598
1599
1600	SUBROUTINE sbc_cpl_ice_flx( picefr, palbi, psst, pist, phs, phi )
1601	!!----------------------------------------------------------------------
1602	!! * ROUTINE sbc_cpl_ice_flx *
1603	!!
1604	!! ** Purpose : provide the heat and freshwater fluxes of the ocean-ice system
1605	!!
1606	!! ** Method : transform the fields received from the atmosphere into
1607	!! surface heat and fresh water boundary condition for the
1608	!! ice-ocean system. The following fields are provided:
1609	!! * total non solar, solar and freshwater fluxes (qns_tot,
1610	!! qsr_tot and emp_tot) (total means weighted ice-ocean flux)
1611	!! NB: emp_tot include runoffs and calving.
1612	!! * fluxes over ice (qns_ice, qsr_ice, emp_ice) where
1613	!! emp_ice = sublimation - solid precipitation as liquid
1614	!! precipitation are re-routed directly to the ocean and
1615	!! calving directly enter the ocean (runoffs are read but included in trasbc.F90)
1616	!! * solid precipitation (sprecip), used to add to qns_tot
1617	!! the heat lost associated to melting solid precipitation
1618	!! over the ocean fraction.
1619	!! * heat content of rain, snow and evap can also be provided,
1620	!! otherwise heat flux associated with these mass flux are
1621	!! guessed (qemp_oce, qemp_ice)
1622	!!
1623	!! - the fluxes have been separated from the stress as
1624	!! (a) they are updated at each ice time step compare to
1625	!! an update at each coupled time step for the stress, and
1626	!! (b) the conservative computation of the fluxes over the
1627	!! sea-ice area requires the knowledge of the ice fraction
1628	!! after the ice advection and before the ice thermodynamics,
1629	!! so that the stress is updated before the ice dynamics
1630	!! while the fluxes are updated after it.
1631	!!
1632	!! ** Details
1633	!! qns_tot = (1-a) * qns_oce + a * qns_ice => provided
1634	!! + qemp_oce + qemp_ice => recalculated and added up to qns
1635	!!
1636	!! qsr_tot = (1-a) * qsr_oce + a * qsr_ice => provided
1637	!!
1638	!! emp_tot = emp_oce + emp_ice => calving is provided and added to emp_tot (and emp_oce).
1639	!! runoff (which includes rivers+icebergs) and iceshelf
1640	!! are provided but not included in emp here. Only runoff will
1641	!! be included in emp in other parts of NEMO code
1642	!! ** Action : update at each nf_ice time step:
1643	!! qns_tot, qsr_tot non-solar and solar total heat fluxes
1644	!! qns_ice, qsr_ice non-solar and solar heat fluxes over the ice
1645	!! emp_tot total evaporation - precipitation(liquid and solid) (-calving)
1646	!! emp_ice ice sublimation - solid precipitation over the ice
1647	!! dqns_ice d(non-solar heat flux)/d(Temperature) over the ice
1648	!! sprecip solid precipitation over the ocean
1649	!!----------------------------------------------------------------------
1650	REAL(wp), INTENT(in), DIMENSION(:,:) :: picefr ! ice fraction [0 to 1]
1651	! !! ! optional arguments, used only in 'mixed oce-ice' case
1652	REAL(wp), INTENT(in), DIMENSION(:,:,:), OPTIONAL :: palbi ! all skies ice albedo
1653	REAL(wp), INTENT(in), DIMENSION(:,: ), OPTIONAL :: psst ! sea surface temperature [Celsius]
1654	REAL(wp), INTENT(in), DIMENSION(:,:,:), OPTIONAL :: pist ! ice surface temperature [Kelvin]
1655	REAL(wp), INTENT(in), DIMENSION(:,:,:), OPTIONAL :: phs ! snow depth [m]
1656	REAL(wp), INTENT(in), DIMENSION(:,:,:), OPTIONAL :: phi ! ice thickness [m]
1657	!
1658	INTEGER :: ji, jj, jl ! dummy loop index
1659	REAL(wp) :: ztri ! local scalar
1660	REAL(wp), DIMENSION(jpi,jpj) :: zcptn, zcptrain, zcptsnw, ziceld, zmsk, zsnw
1661	REAL(wp), DIMENSION(jpi,jpj) :: zemp_tot, zemp_ice, zemp_oce, ztprecip, zsprecip , zevap_oce, zdevap_ice
1662	REAL(wp), DIMENSION(jpi,jpj) :: zqns_tot, zqns_oce, zqsr_tot, zqsr_oce, zqprec_ice, zqemp_oce, zqemp_ice
1663	REAL(wp), DIMENSION(jpi,jpj) :: zevap_ice_total
1664	REAL(wp), DIMENSION(jpi,jpj,jpl) :: zqns_ice, zqsr_ice, zdqns_ice, zqevap_ice, zevap_ice !!gm , zfrqsr_tr_i
1665	!!----------------------------------------------------------------------
1666	!
1667	IF( ln_mixcpl ) zmsk(:,:) = 1. - xcplmask(:,:,0)
1668	ziceld(:,:) = 1._wp - picefr(:,:)
1669	zcptn (:,:) = rcp * sst_m(:,:)
1670	!
1671	! ! ========================= !
1672	! ! freshwater budget ! (emp_tot)
1673	! ! ========================= !
1674	!
1675	! ! solid Precipitation (sprecip)
1676	! ! liquid + solid Precipitation (tprecip)
1677	! ! total Evaporation - total Precipitation (emp_tot)
1678	! ! sublimation - solid precipitation (cell average) (emp_ice)
1679	SELECT CASE( TRIM( sn_rcv_emp%cldes ) )
1680	CASE( 'conservative' ) ! received fields: jpr_rain, jpr_snow, jpr_ievp, jpr_tevp
1681	zsprecip(:,:) = frcv(jpr_snow)%z3(:,:,1) ! May need to ensure positive here
1682	ztprecip(:,:) = frcv(jpr_rain)%z3(:,:,1) + zsprecip(:,:) ! May need to ensure positive here
1683	zemp_tot(:,:) = frcv(jpr_tevp)%z3(:,:,1) - ztprecip(:,:)
1684	CASE( 'oce and ice' ) ! received fields: jpr_sbpr, jpr_semp, jpr_oemp, jpr_ievp
1685	zemp_tot(:,:) = ziceld(:,:) * frcv(jpr_oemp)%z3(:,:,1) + picefr(:,:) * frcv(jpr_sbpr)%z3(:,:,1)
1686	zemp_ice(:,:) = frcv(jpr_semp)%z3(:,:,1) * picefr(:,:)
1687	zsprecip(:,:) = frcv(jpr_ievp)%z3(:,:,1) - frcv(jpr_semp)%z3(:,:,1)
1688	ztprecip(:,:) = frcv(jpr_semp)%z3(:,:,1) - frcv(jpr_sbpr)%z3(:,:,1) + zsprecip(:,:)
1689	CASE( 'none' ) ! Not available as for now: needs additional coding below when computing zevap_oce
1690	! ! since fields received are not defined with none option
1691	CALL ctl_stop( 'STOP', 'sbccpl/sbc_cpl_ice_flx: some fields are not defined. Change sn_rcv_emp value in namelist namsbc_cpl' )
1692	END SELECT
1693
1694	#if defined key_si3
1695
1696	! --- evaporation over ice (kg/m2/s) --- !
1697	zevap_ice_total(:,:) = 0._wp
1698	IF (sn_rcv_emp%clcat == 'yes') THEN
1699	DO jl=1,jpl
1700	IF (ln_scale_ice_fluxes) THEN
1701	zevap_ice(:,:,jl) = frcv(jpr_ievp)%z3(:,:,jl) * a_i_last_couple(:,:,jl)
1702	ELSE
1703	zevap_ice(:,:,jl) = frcv(jpr_ievp)%z3(:,:,jl)
1704	ENDIF
1705	zevap_ice_total(:,:) = zevap_ice_total(:,:) + zevap_ice(:,:,jl)
1706	ENDDO
1707	ELSE
1708	zevap_ice(:,:,1) = frcv(jpr_ievp)%z3(:,:,1 )
1709	zevap_ice_total(:,:) = zevap_ice(:,:,1)
1710	ENDIF
1711
1712	IF ( TRIM( sn_rcv_emp%cldes ) == 'conservative' ) THEN
1713	! For conservative case zemp_ice has not been defined yet. Do it now.
1714	zemp_ice(:,:) = zevap_ice_total(:,:) - frcv(jpr_snow)%z3(:,:,1) * picefr(:,:)
1715	END IF
1716
1717	! zsnw = snow fraction over ice after wind blowing (=picefr if no blowing)
1718	zsnw(:,:) = 0._wp ; CALL ice_thd_snwblow( ziceld, zsnw )
1719
1720	! --- evaporation minus precipitation corrected (because of wind blowing on snow) --- !
1721	zemp_ice(:,:) = zemp_ice(:,:) + zsprecip(:,:) * ( picefr(:,:) - zsnw(:,:) ) ! emp_ice = A * sublimation - zsnw * sprecip
1722	zemp_oce(:,:) = zemp_tot(:,:) - zemp_ice(:,:) ! emp_oce = emp_tot - emp_ice
1723
1724	! --- evaporation over ocean (used later for qemp) --- !
1725	zevap_oce(:,:) = frcv(jpr_tevp)%z3(:,:,1) - zevap_ice_total(:,:)
1726
1727
1728
1729
1730	! since the sensitivity of evap to temperature (devap/dT) is not prescribed by the atmosphere, we set it to 0
1731	! therefore, sublimation is not redistributed over the ice categories when no subgrid scale fluxes are provided by atm.
1732	zdevap_ice(:,:) = 0._wp
1733
1734	! --- Continental fluxes --- !
1735	IF( srcv(jpr_rnf)%laction ) THEN ! runoffs (included in emp later on)
1736	rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1737	ENDIF
1738	IF( srcv(jpr_cal)%laction ) THEN ! calving (put in emp_tot and emp_oce)
1739	zemp_tot(:,:) = zemp_tot(:,:) - frcv(jpr_cal)%z3(:,:,1)
1740	zemp_oce(:,:) = zemp_oce(:,:) - frcv(jpr_cal)%z3(:,:,1)
1741	ENDIF
1742	IF( srcv(jpr_icb)%laction ) THEN ! iceberg added to runoffs
1743	fwficb(:,:) = frcv(jpr_icb)%z3(:,:,1)
1744	rnf(:,:) = rnf(:,:) + fwficb(:,:)
1745	ENDIF
1746	IF( srcv(jpr_isf)%laction ) THEN ! iceshelf (fwfisf <0 mean melting)
1747	fwfisf(:,:) = - frcv(jpr_isf)%z3(:,:,1)
1748	ENDIF
1749
1750	IF( ln_mixcpl ) THEN
1751	emp_tot(:,:) = emp_tot(:,:) * xcplmask(:,:,0) + zemp_tot(:,:) * zmsk(:,:)
1752	emp_ice(:,:) = emp_ice(:,:) * xcplmask(:,:,0) + zemp_ice(:,:) * zmsk(:,:)
1753	emp_oce(:,:) = emp_oce(:,:) * xcplmask(:,:,0) + zemp_oce(:,:) * zmsk(:,:)
1754	sprecip(:,:) = sprecip(:,:) * xcplmask(:,:,0) + zsprecip(:,:) * zmsk(:,:)
1755	tprecip(:,:) = tprecip(:,:) * xcplmask(:,:,0) + ztprecip(:,:) * zmsk(:,:)
1756	DO jl = 1, jpl
1757	evap_ice (:,:,jl) = evap_ice (:,:,jl) * xcplmask(:,:,0) + zevap_ice (:,:,jl) * zmsk(:,:)
1758	devap_ice(:,:,jl) = devap_ice(:,:,jl) * xcplmask(:,:,0) + zdevap_ice(:,:) * zmsk(:,:)
1759	END DO
1760	ELSE
1761	emp_tot (:,:) = zemp_tot (:,:)
1762	emp_ice (:,:) = zemp_ice (:,:)
1763	emp_oce (:,:) = zemp_oce (:,:)
1764	sprecip (:,:) = zsprecip (:,:)
1765	tprecip (:,:) = ztprecip (:,:)
1766	evap_ice(:,:,:) = zevap_ice(:,:,:)
1767	DO jl = 1, jpl
1768	devap_ice(:,:,jl) = zdevap_ice(:,:)
1769	END DO
1770	ENDIF
1771
1772	#else
1773	zsnw(:,:) = picefr(:,:)
1774	! --- Continental fluxes --- !
1775	IF( srcv(jpr_rnf)%laction ) THEN ! runoffs (included in emp later on)
1776	rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1777	ENDIF
1778	IF( srcv(jpr_cal)%laction ) THEN ! calving (put in emp_tot)
1779	zemp_tot(:,:) = zemp_tot(:,:) - frcv(jpr_cal)%z3(:,:,1)
1780	ENDIF
1781	IF( srcv(jpr_icb)%laction ) THEN ! iceberg added to runoffs
1782	fwficb(:,:) = frcv(jpr_icb)%z3(:,:,1)
1783	rnf(:,:) = rnf(:,:) + fwficb(:,:)
1784	ENDIF
1785	IF( srcv(jpr_isf)%laction ) THEN ! iceshelf (fwfisf <0 mean melting)
1786	fwfisf(:,:) = - frcv(jpr_isf)%z3(:,:,1)
1787	ENDIF
1788	!
1789	IF( ln_mixcpl ) THEN
1790	emp_tot(:,:) = emp_tot(:,:) * xcplmask(:,:,0) + zemp_tot(:,:) * zmsk(:,:)
1791	emp_ice(:,:) = emp_ice(:,:) * xcplmask(:,:,0) + zemp_ice(:,:) * zmsk(:,:)
1792	sprecip(:,:) = sprecip(:,:) * xcplmask(:,:,0) + zsprecip(:,:) * zmsk(:,:)
1793	tprecip(:,:) = tprecip(:,:) * xcplmask(:,:,0) + ztprecip(:,:) * zmsk(:,:)
1794	ELSE
1795	emp_tot(:,:) = zemp_tot(:,:)
1796	emp_ice(:,:) = zemp_ice(:,:)
1797	sprecip(:,:) = zsprecip(:,:)
1798	tprecip(:,:) = ztprecip(:,:)
1799	ENDIF
1800	!
1801	#endif
1802
1803	! outputs
1804	!! IF( srcv(jpr_rnf)%laction ) CALL iom_put( 'runoffs' , rnf(:,:) * tmask(:,:,1) ) ! runoff
1805	!! IF( srcv(jpr_isf)%laction ) CALL iom_put( 'iceshelf_cea', -fwfisf(:,:) * tmask(:,:,1) ) ! iceshelf
1806	IF( srcv(jpr_cal)%laction ) CALL iom_put( 'calving_cea' , frcv(jpr_cal)%z3(:,:,1) * tmask(:,:,1) ) ! calving
1807	IF( srcv(jpr_icb)%laction ) CALL iom_put( 'iceberg_cea' , frcv(jpr_icb)%z3(:,:,1) * tmask(:,:,1) ) ! icebergs
1808	IF( iom_use('snowpre') ) CALL iom_put( 'snowpre' , sprecip(:,:) ) ! Snow
1809	IF( iom_use('precip') ) CALL iom_put( 'precip' , tprecip(:,:) ) ! total precipitation
1810	IF( iom_use('rain') ) CALL iom_put( 'rain' , tprecip(:,:) - sprecip(:,:) ) ! liquid precipitation
1811	IF( iom_use('snow_ao_cea') ) CALL iom_put( 'snow_ao_cea' , sprecip(:,:) * ( 1._wp - zsnw(:,:) ) ) ! Snow over ice-free ocean (cell average)
1812	IF( iom_use('snow_ai_cea') ) CALL iom_put( 'snow_ai_cea' , sprecip(:,:) * zsnw(:,:) ) ! Snow over sea-ice (cell average)
1813	IF( iom_use('subl_ai_cea') ) CALL iom_put( 'subl_ai_cea' , zevap_ice_total(:,:) * tmask(:,:,1) ) ! Sublimation over sea-ice (cell average)
1814	IF( iom_use('evap_ao_cea') ) CALL iom_put( 'evap_ao_cea' , ( frcv(jpr_tevp)%z3(:,:,1) &
1815	& - zevap_ice_total(:,:) ) * tmask(:,:,1) ) ! ice-free oce evap (cell average)
1816	! note: runoff output is done in sbcrnf (which includes icebergs too) and iceshelf output is done in sbcisf
1817	!
1818	! ! ========================= !
1819	SELECT CASE( TRIM( sn_rcv_qns%cldes ) ) ! non solar heat fluxes ! (qns)
1820	! ! ========================= !
1821	CASE( 'oce only' ) ! the required field is directly provided
1822	zqns_tot(:,:) = frcv(jpr_qnsoce)%z3(:,:,1)
1823	! For Met Office sea ice non-solar fluxes are already delt with by JULES so setting to zero
1824	! here so the only flux is the ocean only one.
1825	zqns_ice(:,:,:) = 0._wp
1826	CASE( 'conservative' ) ! the required fields are directly provided
1827	zqns_tot(:,:) = frcv(jpr_qnsmix)%z3(:,:,1)
1828	IF ( TRIM(sn_rcv_qns%clcat) == 'yes' ) THEN
1829	zqns_ice(:,:,1:jpl) = frcv(jpr_qnsice)%z3(:,:,1:jpl)
1830	ELSE
1831	DO jl = 1, jpl
1832	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,1) ! Set all category values equal
1833	END DO
1834	ENDIF
1835	CASE( 'oce and ice' ) ! the total flux is computed from ocean and ice fluxes
1836	zqns_tot(:,:) = ziceld(:,:) * frcv(jpr_qnsoce)%z3(:,:,1)
1837	IF ( TRIM(sn_rcv_qns%clcat) == 'yes' ) THEN
1838	DO jl=1,jpl
1839	zqns_tot(:,: ) = zqns_tot(:,:) + a_i(:,:,jl) * frcv(jpr_qnsice)%z3(:,:,jl)
1840	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,jl)
1841	ENDDO
1842	ELSE
1843	qns_tot(:,:) = qns_tot(:,:) + picefr(:,:) * frcv(jpr_qnsice)%z3(:,:,1)
1844	DO jl = 1, jpl
1845	zqns_tot(:,: ) = zqns_tot(:,:) + picefr(:,:) * frcv(jpr_qnsice)%z3(:,:,1)
1846	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,1)
1847	END DO
1848	ENDIF
1849	CASE( 'mixed oce-ice' ) ! the ice flux is cumputed from the total flux, the SST and ice informations
1850	! NEED TO SORT OUT HOW THIS SHOULD WORK IN THE MULTI-CATEGORY CASE - CURRENTLY NOT ALLOWED WHEN INTERFACE INITIALISED
1851	zqns_tot(:,: ) = frcv(jpr_qnsmix)%z3(:,:,1)
1852	zqns_ice(:,:,1) = frcv(jpr_qnsmix)%z3(:,:,1) &
1853	& + frcv(jpr_dqnsdt)%z3(:,:,1) * ( pist(:,:,1) - ( (rt0 + psst(:,: ) ) * ziceld(:,:) &
1854	& + pist(:,:,1) * picefr(:,:) ) )
1855	END SELECT
1856	!
1857	! --- calving (removed from qns_tot) --- !
1858	IF( srcv(jpr_cal)%laction ) zqns_tot(:,:) = zqns_tot(:,:) - frcv(jpr_cal)%z3(:,:,1) * rLfus ! remove latent heat of calving
1859	! we suppose it melts at 0deg, though it should be temp. of surrounding ocean
1860	! --- iceberg (removed from qns_tot) --- !
1861	IF( srcv(jpr_icb)%laction ) zqns_tot(:,:) = zqns_tot(:,:) - frcv(jpr_icb)%z3(:,:,1) * rLfus ! remove latent heat of iceberg melting
1862
1863	#if defined key_si3
1864	! --- non solar flux over ocean --- !
1865	! note: ziceld cannot be = 0 since we limit the ice concentration to amax
1866	zqns_oce = 0._wp
1867	WHERE( ziceld /= 0._wp ) zqns_oce(:,:) = ( zqns_tot(:,:) - SUM( a_i * zqns_ice, dim=3 ) ) / ziceld(:,:)
1868
1869	! Heat content per unit mass of snow (J/kg)
1870	WHERE( SUM( a_i, dim=3 ) > 1.e-10 ) ; zcptsnw(:,:) = rcpi * SUM( (tn_ice - rt0) * a_i, dim=3 ) / SUM( a_i, dim=3 )
1871	ELSEWHERE ; zcptsnw(:,:) = zcptn(:,:)
1872	ENDWHERE
1873	! Heat content per unit mass of rain (J/kg)
1874	zcptrain(:,:) = rcp * ( SUM( (tn_ice(:,:,:) - rt0) * a_i(:,:,:), dim=3 ) + sst_m(:,:) * ziceld(:,:) )
1875
1876	! --- enthalpy of snow precip over ice in J/m3 (to be used in 1D-thermo) --- !
1877	zqprec_ice(:,:) = rhos * ( zcptsnw(:,:) - rLfus )
1878
1879	! --- heat content of evap over ice in W/m2 (to be used in 1D-thermo) --- !
1880	DO jl = 1, jpl
1881	zqevap_ice(:,:,jl) = 0._wp ! should be -evap * ( ( Tice - rt0 ) * rcpi ) but atm. does not take it into account
1882	END DO
1883
1884	! --- heat flux associated with emp (W/m2) --- !
1885	zqemp_oce(:,:) = - zevap_oce(:,:) * zcptn (:,:) & ! evap
1886	& + ( ztprecip(:,:) - zsprecip(:,:) ) * zcptrain(:,:) & ! liquid precip
1887	& + zsprecip(:,:) * ( 1._wp - zsnw ) * ( zcptsnw (:,:) - rLfus ) ! solid precip over ocean + snow melting
1888	zqemp_ice(:,:) = zsprecip(:,:) * zsnw * ( zcptsnw (:,:) - rLfus ) ! solid precip over ice (qevap_ice=0 since atm. does not take it into account)
1889
1890	! --- total non solar flux (including evap/precip) --- !
1891	zqns_tot(:,:) = zqns_tot(:,:) + zqemp_ice(:,:) + zqemp_oce(:,:)
1892
1893	! --- in case both coupled/forced are active, we must mix values --- !
1894	IF( ln_mixcpl ) THEN
1895	qns_tot(:,:) = qns_tot(:,:) * xcplmask(:,:,0) + zqns_tot(:,:)* zmsk(:,:)
1896	qns_oce(:,:) = qns_oce(:,:) * xcplmask(:,:,0) + zqns_oce(:,:)* zmsk(:,:)
1897	DO jl=1,jpl
1898	qns_ice (:,:,jl) = qns_ice (:,:,jl) * xcplmask(:,:,0) + zqns_ice (:,:,jl)* zmsk(:,:)
1899	qevap_ice(:,:,jl) = qevap_ice(:,:,jl) * xcplmask(:,:,0) + zqevap_ice(:,:,jl)* zmsk(:,:)
1900	ENDDO
1901	qprec_ice(:,:) = qprec_ice(:,:) * xcplmask(:,:,0) + zqprec_ice(:,:)* zmsk(:,:)
1902	qemp_oce (:,:) = qemp_oce(:,:) * xcplmask(:,:,0) + zqemp_oce(:,:)* zmsk(:,:)
1903	qemp_ice (:,:) = qemp_ice(:,:) * xcplmask(:,:,0) + zqemp_ice(:,:)* zmsk(:,:)
1904	ELSE
1905	qns_tot (:,: ) = zqns_tot (:,: )
1906	qns_oce (:,: ) = zqns_oce (:,: )
1907	qns_ice (:,:,:) = zqns_ice (:,:,:)
1908	qevap_ice(:,:,:) = zqevap_ice(:,:,:)
1909	qprec_ice(:,: ) = zqprec_ice(:,: )
1910	qemp_oce (:,: ) = zqemp_oce (:,: )
1911	qemp_ice (:,: ) = zqemp_ice (:,: )
1912	ENDIF
1913
1914	#else
1915	zcptsnw (:,:) = zcptn(:,:)
1916	zcptrain(:,:) = zcptn(:,:)
1917
1918	! clem: this formulation is certainly wrong... but better than it was...
1919	zqns_tot(:,:) = zqns_tot(:,:) & ! zqns_tot update over free ocean with:
1920	& - ( ziceld(:,:) * zsprecip(:,:) * rLfus ) & ! remove the latent heat flux of solid precip. melting
1921	& - ( zemp_tot(:,:) & ! remove the heat content of mass flux (assumed to be at SST)
1922	& - zemp_ice(:,:) ) * zcptn(:,:)
1923
1924	IF( ln_mixcpl ) THEN
1925	qns_tot(:,:) = qns(:,:) * ziceld(:,:) + SUM( qns_ice(:,:,:) * a_i(:,:,:), dim=3 ) ! total flux from blk
1926	qns_tot(:,:) = qns_tot(:,:) * xcplmask(:,:,0) + zqns_tot(:,:)* zmsk(:,:)
1927	DO jl=1,jpl
1928	qns_ice(:,:,jl) = qns_ice(:,:,jl) * xcplmask(:,:,0) + zqns_ice(:,:,jl)* zmsk(:,:)
1929	ENDDO
1930	ELSE
1931	qns_tot(:,: ) = zqns_tot(:,: )
1932	qns_ice(:,:,:) = zqns_ice(:,:,:)
1933	ENDIF
1934
1935	#endif
1936	! outputs
1937	IF ( srcv(jpr_cal)%laction ) CALL iom_put('hflx_cal_cea' , - frcv(jpr_cal)%z3(:,:,1) * rLfus ) ! latent heat from calving
1938	IF ( srcv(jpr_icb)%laction ) CALL iom_put('hflx_icb_cea' , - frcv(jpr_icb)%z3(:,:,1) * rLfus ) ! latent heat from icebergs melting
1939	IF ( iom_use('hflx_rain_cea') ) CALL iom_put('hflx_rain_cea' , ( tprecip(:,:) - sprecip(:,:) ) * zcptrain(:,:) ) ! heat flux from rain (cell average)
1940	IF ( iom_use('hflx_evap_cea') ) CALL iom_put('hflx_evap_cea' , ( frcv(jpr_tevp)%z3(:,:,1) - zevap_ice_total(:,:) ) &
1941	* zcptn(:,:) * tmask(:,:,1) ) ! heat flux from evap (cell average)
1942	IF ( iom_use('hflx_snow_cea') ) CALL iom_put('hflx_snow_cea' , sprecip(:,:) * ( zcptsnw(:,:) - rLfus ) ) ! heat flux from snow (cell average)
1943	IF ( iom_use('hflx_snow_ao_cea') ) CALL iom_put('hflx_snow_ao_cea', sprecip(:,:) * ( zcptsnw(:,:) - rLfus ) &
1944	& * ( 1._wp - zsnw(:,:) ) ) ! heat flux from snow (over ocean)
1945	IF ( iom_use('hflx_snow_ai_cea') ) CALL iom_put('hflx_snow_ai_cea', sprecip(:,:) * ( zcptsnw(:,:) - rLfus ) &
1946	& * zsnw(:,:) ) ! heat flux from snow (over ice)
1947	! note: hflx for runoff and iceshelf are done in sbcrnf and sbcisf resp.
1948	!
1949	! ! ========================= !
1950	SELECT CASE( TRIM( sn_rcv_qsr%cldes ) ) ! solar heat fluxes ! (qsr)
1951	! ! ========================= !
1952	CASE( 'oce only' )
1953	zqsr_tot(:,: ) = MAX( 0._wp , frcv(jpr_qsroce)%z3(:,:,1) )
1954	! For Met Office sea ice solar fluxes are already delt with by JULES so setting to zero
1955	! here so the only flux is the ocean only one.
1956	zqsr_ice(:,:,:) = 0._wp
1957	CASE( 'conservative' )
1958	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
1959	IF ( TRIM(sn_rcv_qsr%clcat) == 'yes' ) THEN
1960	zqsr_ice(:,:,1:jpl) = frcv(jpr_qsrice)%z3(:,:,1:jpl)
1961	ELSE
1962	! Set all category values equal for the moment
1963	DO jl = 1, jpl
1964	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,1)
1965	END DO
1966	ENDIF
1967	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
1968	zqsr_ice(:,:,1) = frcv(jpr_qsrice)%z3(:,:,1)
1969	CASE( 'oce and ice' )
1970	zqsr_tot(:,: ) = ziceld(:,:) * frcv(jpr_qsroce)%z3(:,:,1)
1971	IF ( TRIM(sn_rcv_qsr%clcat) == 'yes' ) THEN
1972	DO jl = 1, jpl
1973	zqsr_tot(:,: ) = zqsr_tot(:,:) + a_i(:,:,jl) * frcv(jpr_qsrice)%z3(:,:,jl)
1974	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,jl)
1975	END DO
1976	ELSE
1977	qsr_tot(:,: ) = qsr_tot(:,:) + picefr(:,:) * frcv(jpr_qsrice)%z3(:,:,1)
1978	DO jl = 1, jpl
1979	zqsr_tot(:,: ) = zqsr_tot(:,:) + picefr(:,:) * frcv(jpr_qsrice)%z3(:,:,1)
1980	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,1)
1981	END DO
1982	ENDIF
1983	CASE( 'mixed oce-ice' )
1984	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
1985	! NEED TO SORT OUT HOW THIS SHOULD WORK IN THE MULTI-CATEGORY CASE - CURRENTLY NOT ALLOWED WHEN INTERFACE INITIALISED
1986	! Create solar heat flux over ice using incoming solar heat flux and albedos
1987	! ( see OASIS3 user guide, 5th edition, p39 )
1988	zqsr_ice(:,:,1) = frcv(jpr_qsrmix)%z3(:,:,1) * ( 1.- palbi(:,:,1) ) &
1989	& / ( 1.- ( alb_oce_mix(:,: ) * ziceld(:,:) &
1990	& + palbi (:,:,1) * picefr(:,:) ) )
1991	CASE( 'none' ) ! Not available as for now: needs additional coding
1992	! ! since fields received, here zqsr_tot, are not defined with none option
1993	CALL ctl_stop( 'STOP', 'sbccpl/sbc_cpl_ice_flx: some fields are not defined. Change sn_rcv_qsr value in namelist namsbc_cpl' )
1994	END SELECT
1995	IF( ln_dm2dc .AND. ln_cpl ) THEN ! modify qsr to include the diurnal cycle
1996	zqsr_tot(:,: ) = sbc_dcy( zqsr_tot(:,: ) )
1997	DO jl = 1, jpl
1998	zqsr_ice(:,:,jl) = sbc_dcy( zqsr_ice(:,:,jl) )
1999	END DO
2000	ENDIF
2001
2002	#if defined key_si3
2003	! --- solar flux over ocean --- !
2004	! note: ziceld cannot be = 0 since we limit the ice concentration to amax
2005	zqsr_oce = 0._wp
2006	WHERE( ziceld /= 0._wp ) zqsr_oce(:,:) = ( zqsr_tot(:,:) - SUM( a_i * zqsr_ice, dim=3 ) ) / ziceld(:,:)
2007
2008	IF( ln_mixcpl ) THEN ; qsr_oce(:,:) = qsr_oce(:,:) * xcplmask(:,:,0) + zqsr_oce(:,:)* zmsk(:,:)
2009	ELSE ; qsr_oce(:,:) = zqsr_oce(:,:) ; ENDIF
2010	#endif
2011
2012	IF( ln_mixcpl ) THEN
2013	qsr_tot(:,:) = qsr(:,:) * ziceld(:,:) + SUM( qsr_ice(:,:,:) * a_i(:,:,:), dim=3 ) ! total flux from blk
2014	qsr_tot(:,:) = qsr_tot(:,:) * xcplmask(:,:,0) + zqsr_tot(:,:)* zmsk(:,:)
2015	DO jl = 1, jpl
2016	qsr_ice(:,:,jl) = qsr_ice(:,:,jl) * xcplmask(:,:,0) + zqsr_ice(:,:,jl)* zmsk(:,:)
2017	END DO
2018	ELSE
2019	qsr_tot(:,: ) = zqsr_tot(:,: )
2020	qsr_ice(:,:,:) = zqsr_ice(:,:,:)
2021	ENDIF
2022
2023	! ! ========================= !
2024	SELECT CASE( TRIM( sn_rcv_dqnsdt%cldes ) ) ! d(qns)/dt !
2025	! ! ========================= !
2026	CASE ('coupled')
2027	IF ( TRIM(sn_rcv_dqnsdt%clcat) == 'yes' ) THEN
2028	zdqns_ice(:,:,1:jpl) = frcv(jpr_dqnsdt)%z3(:,:,1:jpl)
2029	ELSE
2030	! Set all category values equal for the moment
2031	DO jl=1,jpl
2032	zdqns_ice(:,:,jl) = frcv(jpr_dqnsdt)%z3(:,:,1)
2033	ENDDO
2034	ENDIF
2035	CASE( 'none' )
2036	zdqns_ice(:,:,:) = 0._wp
2037	END SELECT
2038
2039	IF( ln_mixcpl ) THEN
2040	DO jl=1,jpl
2041	dqns_ice(:,:,jl) = dqns_ice(:,:,jl) * xcplmask(:,:,0) + zdqns_ice(:,:,jl) * zmsk(:,:)
2042	ENDDO
2043	ELSE
2044	dqns_ice(:,:,:) = zdqns_ice(:,:,:)
2045	ENDIF
2046
2047	#if defined key_si3
2048	! ! ========================= !
2049	SELECT CASE( TRIM( sn_rcv_iceflx%cldes ) ) ! ice topmelt and botmelt !
2050	! ! ========================= !
2051	CASE ('coupled')
2052	IF (ln_scale_ice_fluxes) THEN
2053	qml_ice(:,:,:) = frcv(jpr_topm)%z3(:,:,:) * a_i_last_couple(:,:,:)
2054	qcn_ice(:,:,:) = frcv(jpr_botm)%z3(:,:,:) * a_i_last_couple(:,:,:)
2055	ELSE
2056	qml_ice(:,:,:) = frcv(jpr_topm)%z3(:,:,:)
2057	qcn_ice(:,:,:) = frcv(jpr_botm)%z3(:,:,:)
2058	ENDIF
2059	END SELECT
2060	!
2061	! ! ========================= !
2062	! ! Transmitted Qsr ! [W/m2]
2063	! ! ========================= !
2064	IF( .NOT.ln_cndflx ) THEN !== No conduction flux as surface forcing ==!
2065	!
2066	! ! ===> used prescribed cloud fraction representative for polar oceans in summer (0.81)
2067	ztri = 0.18 * ( 1.0 - cldf_ice ) + 0.35 * cldf_ice ! surface transmission parameter (Grenfell Maykut 77)
2068	!
2069	qtr_ice_top(:,:,:) = ztri * qsr_ice(:,:,:)
2070	WHERE( phs(:,:,:) >= 0.0_wp ) qtr_ice_top(:,:,:) = 0._wp ! snow fully opaque
2071	WHERE( phi(:,:,:) <= 0.1_wp ) qtr_ice_top(:,:,:) = qsr_ice(:,:,:) ! thin ice transmits all solar radiation
2072	!
2073	ELSEIF( ln_cndflx .AND. .NOT.ln_cndemulate ) THEN !== conduction flux as surface forcing ==!
2074	!
2075	! ! ===> here we must receive the qtr_ice_top array from the coupler
2076	! for now just assume zero (fully opaque ice)
2077	qtr_ice_top(:,:,:) = 0._wp
2078	!
2079	ENDIF
2080	!
2081	#endif
2082	!
2083	END SUBROUTINE sbc_cpl_ice_flx
2084
2085
2086	SUBROUTINE sbc_cpl_snd( kt )
2087	!!----------------------------------------------------------------------
2088	!! * ROUTINE sbc_cpl_snd *
2089	!!
2090	!! ** Purpose : provide the ocean-ice informations to the atmosphere
2091	!!
2092	!! ** Method : send to the atmosphere through a call to cpl_snd
2093	!! all the needed fields (as defined in sbc_cpl_init)
2094	!!----------------------------------------------------------------------
2095	INTEGER, INTENT(in) :: kt
2096	!
2097	INTEGER :: ji, jj, jl ! dummy loop indices
2098	INTEGER :: isec, info ! local integer
2099	REAL(wp) :: zumax, zvmax
2100	REAL(wp), DIMENSION(jpi,jpj) :: zfr_l, ztmp1, ztmp2, zotx1, zoty1, zotz1, zitx1, zity1, zitz1
2101	REAL(wp), DIMENSION(jpi,jpj,jpl) :: ztmp3, ztmp4
2102	!!----------------------------------------------------------------------
2103	!
2104	isec = ( kt - nit000 ) * NINT( rdt ) ! date of exchanges
2105
2106	zfr_l(:,:) = 1.- fr_i(:,:)
2107	! ! ------------------------- !
2108	! ! Surface temperature ! in Kelvin
2109	! ! ------------------------- !
2110	IF( ssnd(jps_toce)%laction .OR. ssnd(jps_tice)%laction .OR. ssnd(jps_tmix)%laction ) THEN
2111
2112	IF ( nn_components == jp_iam_opa ) THEN
2113	ztmp1(:,:) = tsn(:,:,1,jp_tem) ! send temperature as it is (potential or conservative) -> use of l_useCT on the received part
2114	ELSE
2115	! we must send the surface potential temperature
2116	IF( l_useCT ) THEN ; ztmp1(:,:) = eos_pt_from_ct( tsn(:,:,1,jp_tem), tsn(:,:,1,jp_sal) )
2117	ELSE ; ztmp1(:,:) = tsn(:,:,1,jp_tem)
2118	ENDIF
2119	!
2120	SELECT CASE( sn_snd_temp%cldes)
2121	CASE( 'oce only' ) ; ztmp1(:,:) = ztmp1(:,:) + rt0
2122	CASE( 'oce and ice' ) ; ztmp1(:,:) = ztmp1(:,:) + rt0
2123	SELECT CASE( sn_snd_temp%clcat )
2124	CASE( 'yes' )
2125	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl)
2126	CASE( 'no' )
2127	WHERE( SUM( a_i, dim=3 ) /= 0. )
2128	ztmp3(:,:,1) = SUM( tn_ice * a_i, dim=3 ) / SUM( a_i, dim=3 )
2129	ELSEWHERE
2130	ztmp3(:,:,1) = rt0
2131	END WHERE
2132	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
2133	END SELECT
2134	CASE( 'weighted oce and ice' ) ; ztmp1(:,:) = ( ztmp1(:,:) + rt0 ) * zfr_l(:,:)
2135	SELECT CASE( sn_snd_temp%clcat )
2136	CASE( 'yes' )
2137	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2138	CASE( 'no' )
2139	ztmp3(:,:,:) = 0.0
2140	DO jl=1,jpl
2141	ztmp3(:,:,1) = ztmp3(:,:,1) + tn_ice(:,:,jl) * a_i(:,:,jl)
2142	ENDDO
2143	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
2144	END SELECT
2145	CASE( 'oce and weighted ice') ; ztmp1(:,:) = tsn(:,:,1,jp_tem) + rt0
2146	SELECT CASE( sn_snd_temp%clcat )
2147	CASE( 'yes' )
2148	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2149	CASE( 'no' )
2150	ztmp3(:,:,:) = 0.0
2151	DO jl=1,jpl
2152	ztmp3(:,:,1) = ztmp3(:,:,1) + tn_ice(:,:,jl) * a_i(:,:,jl)
2153	ENDDO
2154	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
2155	END SELECT
2156	CASE( 'mixed oce-ice' )
2157	ztmp1(:,:) = ( ztmp1(:,:) + rt0 ) * zfr_l(:,:)
2158	DO jl=1,jpl
2159	ztmp1(:,:) = ztmp1(:,:) + tn_ice(:,:,jl) * a_i(:,:,jl)
2160	ENDDO
2161	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%cldes' )
2162	END SELECT
2163	ENDIF
2164	IF( ssnd(jps_toce)%laction ) CALL cpl_snd( jps_toce, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2165	IF( ssnd(jps_tice)%laction ) CALL cpl_snd( jps_tice, isec, ztmp3, info )
2166	IF( ssnd(jps_tmix)%laction ) CALL cpl_snd( jps_tmix, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2167	ENDIF
2168	!
2169	! ! ------------------------- !
2170	! ! 1st layer ice/snow temp. !
2171	! ! ------------------------- !
2172	#if defined key_si3
2173	! needed by Met Office
2174	IF( ssnd(jps_ttilyr)%laction) THEN
2175	SELECT CASE( sn_snd_ttilyr%cldes)
2176	CASE ('weighted ice')
2177	ztmp3(:,:,1:jpl) = t1_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2178	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_ttilyr%cldes' )
2179	END SELECT
2180	IF( ssnd(jps_ttilyr)%laction ) CALL cpl_snd( jps_ttilyr, isec, ztmp3, info )
2181	ENDIF
2182	#endif
2183	! ! ------------------------- !
2184	! ! Albedo !
2185	! ! ------------------------- !
2186	IF( ssnd(jps_albice)%laction ) THEN ! ice
2187	SELECT CASE( sn_snd_alb%cldes )
2188	CASE( 'ice' )
2189	SELECT CASE( sn_snd_alb%clcat )
2190	CASE( 'yes' )
2191	ztmp3(:,:,1:jpl) = alb_ice(:,:,1:jpl)
2192	CASE( 'no' )
2193	WHERE( SUM( a_i, dim=3 ) /= 0. )
2194	ztmp1(:,:) = SUM( alb_ice (:,:,1:jpl) * a_i(:,:,1:jpl), dim=3 ) / SUM( a_i(:,:,1:jpl), dim=3 )
2195	ELSEWHERE
2196	ztmp1(:,:) = alb_oce_mix(:,:)
2197	END WHERE
2198	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_alb%clcat' )
2199	END SELECT
2200	CASE( 'weighted ice' ) ;
2201	SELECT CASE( sn_snd_alb%clcat )
2202	CASE( 'yes' )
2203	ztmp3(:,:,1:jpl) = alb_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2204	CASE( 'no' )
2205	WHERE( fr_i (:,:) > 0. )
2206	ztmp1(:,:) = SUM ( alb_ice(:,:,1:jpl) * a_i(:,:,1:jpl), dim=3 )
2207	ELSEWHERE
2208	ztmp1(:,:) = 0.
2209	END WHERE
2210	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_ice%clcat' )
2211	END SELECT
2212	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_alb%cldes' )
2213	END SELECT
2214
2215	SELECT CASE( sn_snd_alb%clcat )
2216	CASE( 'yes' )
2217	CALL cpl_snd( jps_albice, isec, ztmp3, info ) !-> MV this has never been checked in coupled mode
2218	CASE( 'no' )
2219	CALL cpl_snd( jps_albice, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2220	END SELECT
2221	ENDIF
2222
2223	IF( ssnd(jps_albmix)%laction ) THEN ! mixed ice-ocean
2224	ztmp1(:,:) = alb_oce_mix(:,:) * zfr_l(:,:)
2225	DO jl = 1, jpl
2226	ztmp1(:,:) = ztmp1(:,:) + alb_ice(:,:,jl) * a_i(:,:,jl)
2227	END DO
2228	CALL cpl_snd( jps_albmix, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2229	ENDIF
2230	! ! ------------------------- !
2231	! ! Ice fraction & Thickness !
2232	! ! ------------------------- !
2233	! Send ice fraction field to atmosphere
2234	IF( ssnd(jps_fice)%laction ) THEN
2235	SELECT CASE( sn_snd_thick%clcat )
2236	CASE( 'yes' ) ; ztmp3(:,:,1:jpl) = a_i(:,:,1:jpl)
2237	CASE( 'no' ) ; ztmp3(:,:,1 ) = fr_i(:,: )
2238	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
2239	END SELECT
2240	IF( ssnd(jps_fice)%laction ) CALL cpl_snd( jps_fice, isec, ztmp3, info )
2241	ENDIF
2242
2243	! If this coupling was successful then save ice fraction for use between coupling points.
2244	! This is needed for some calculations where the ice fraction at the last coupling point
2245	! is needed.
2246	IF( info == OASIS_Sent .OR. info == OASIS_ToRest .OR. &
2247	& info == OASIS_SentOut .OR. info == OASIS_ToRestOut ) THEN
2248	IF ( sn_snd_thick%clcat == 'yes' ) THEN
2249	a_i_last_couple(:,:,1:jpl) = a_i(:,:,1:jpl)
2250	ENDIF
2251	ENDIF
2252
2253	IF( ssnd(jps_fice1)%laction ) THEN
2254	SELECT CASE( sn_snd_thick1%clcat )
2255	CASE( 'yes' ) ; ztmp3(:,:,1:jpl) = a_i(:,:,1:jpl)
2256	CASE( 'no' ) ; ztmp3(:,:,1 ) = fr_i(:,: )
2257	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick1%clcat' )
2258	END SELECT
2259	CALL cpl_snd( jps_fice1, isec, ztmp3, info )
2260	ENDIF
2261
2262	! Send ice fraction field to OPA (sent by SAS in SAS-OPA coupling)
2263	IF( ssnd(jps_fice2)%laction ) THEN
2264	ztmp3(:,:,1) = fr_i(:,:)
2265	IF( ssnd(jps_fice2)%laction ) CALL cpl_snd( jps_fice2, isec, ztmp3, info )
2266	ENDIF
2267
2268	! Send ice and snow thickness field
2269	IF( ssnd(jps_hice)%laction .OR. ssnd(jps_hsnw)%laction ) THEN
2270	SELECT CASE( sn_snd_thick%cldes)
2271	CASE( 'none' ) ! nothing to do
2272	CASE( 'weighted ice and snow' )
2273	SELECT CASE( sn_snd_thick%clcat )
2274	CASE( 'yes' )
2275	ztmp3(:,:,1:jpl) = h_i(:,:,1:jpl) * a_i(:,:,1:jpl)
2276	ztmp4(:,:,1:jpl) = h_s(:,:,1:jpl) * a_i(:,:,1:jpl)
2277	CASE( 'no' )
2278	ztmp3(:,:,:) = 0.0 ; ztmp4(:,:,:) = 0.0
2279	DO jl=1,jpl
2280	ztmp3(:,:,1) = ztmp3(:,:,1) + h_i(:,:,jl) * a_i(:,:,jl)
2281	ztmp4(:,:,1) = ztmp4(:,:,1) + h_s(:,:,jl) * a_i(:,:,jl)
2282	ENDDO
2283	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
2284	END SELECT
2285	CASE( 'ice and snow' )
2286	SELECT CASE( sn_snd_thick%clcat )
2287	CASE( 'yes' )
2288	ztmp3(:,:,1:jpl) = h_i(:,:,1:jpl)
2289	ztmp4(:,:,1:jpl) = h_s(:,:,1:jpl)
2290	CASE( 'no' )
2291	WHERE( SUM( a_i, dim=3 ) /= 0. )
2292	ztmp3(:,:,1) = SUM( h_i * a_i, dim=3 ) / SUM( a_i, dim=3 )
2293	ztmp4(:,:,1) = SUM( h_s * a_i, dim=3 ) / SUM( a_i, dim=3 )
2294	ELSEWHERE
2295	ztmp3(:,:,1) = 0.
2296	ztmp4(:,:,1) = 0.
2297	END WHERE
2298	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
2299	END SELECT
2300	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%cldes' )
2301	END SELECT
2302	IF( ssnd(jps_hice)%laction ) CALL cpl_snd( jps_hice, isec, ztmp3, info )
2303	IF( ssnd(jps_hsnw)%laction ) CALL cpl_snd( jps_hsnw, isec, ztmp4, info )
2304	ENDIF
2305
2306	#if defined key_si3
2307	! ! ------------------------- !
2308	! ! Ice melt ponds !
2309	! ! ------------------------- !
2310	! needed by Met Office - 1) fraction of ponded ice; 2) local/actual pond depth
2311	IF( ssnd(jps_a_p)%laction .OR. ssnd(jps_ht_p)%laction ) THEN
2312	SELECT CASE( sn_snd_mpnd%cldes)
2313	CASE( 'ice only' )
2314	SELECT CASE( sn_snd_mpnd%clcat )
2315	CASE( 'yes' )
2316	ztmp3(:,:,1:jpl) = a_ip_frac(:,:,1:jpl)
2317	ztmp4(:,:,1:jpl) = h_ip(:,:,1:jpl)
2318	CASE( 'no' )
2319	ztmp3(:,:,:) = 0.0
2320	ztmp4(:,:,:) = 0.0
2321	DO jl=1,jpl
2322	ztmp3(:,:,1) = ztmp3(:,:,1) + a_ip_frac(:,:,jpl)
2323	ztmp4(:,:,1) = ztmp4(:,:,1) + h_ip(:,:,jpl)
2324	ENDDO
2325	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_mpnd%clcat' )
2326	END SELECT
2327	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_mpnd%cldes' )
2328	END SELECT
2329	IF( ssnd(jps_a_p)%laction ) CALL cpl_snd( jps_a_p , isec, ztmp3, info )
2330	IF( ssnd(jps_ht_p)%laction ) CALL cpl_snd( jps_ht_p, isec, ztmp4, info )
2331	ENDIF
2332	!
2333	! ! ------------------------- !
2334	! ! Ice conductivity !
2335	! ! ------------------------- !
2336	! needed by Met Office
2337	IF( ssnd(jps_kice)%laction ) THEN
2338	SELECT CASE( sn_snd_cond%cldes)
2339	CASE( 'weighted ice' )
2340	SELECT CASE( sn_snd_cond%clcat )
2341	CASE( 'yes' )
2342	ztmp3(:,:,1:jpl) = cnd_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2343	CASE( 'no' )
2344	ztmp3(:,:,:) = 0.0
2345	DO jl=1,jpl
2346	ztmp3(:,:,1) = ztmp3(:,:,1) + cnd_ice(:,:,jl) * a_i(:,:,jl)
2347	ENDDO
2348	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_cond%clcat' )
2349	END SELECT
2350	CASE( 'ice only' )
2351	ztmp3(:,:,1:jpl) = cnd_ice(:,:,1:jpl)
2352	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_cond%cldes' )
2353	END SELECT
2354	IF( ssnd(jps_kice)%laction ) CALL cpl_snd( jps_kice, isec, ztmp3, info )
2355	ENDIF
2356	#endif
2357
2358	! ! ------------------------- !
2359	! ! CO2 flux from PISCES !
2360	! ! ------------------------- !
2361	IF( ssnd(jps_co2)%laction .AND. l_co2cpl ) CALL cpl_snd( jps_co2, isec, RESHAPE ( oce_co2, (/jpi,jpj,1/) ) , info )
2362	!
2363	! ! ------------------------- !
2364	IF( ssnd(jps_ocx1)%laction ) THEN ! Surface current !
2365	! ! ------------------------- !
2366	!
2367	! j+1 j -----V---F
2368	! surface velocity always sent from T point ! \|
2369	! j \| T U
2370	! \| \|
2371	! j j-1 -I-------\|
2372	! (for I) \| \|
2373	! i-1 i i
2374	! i i+1 (for I)
2375	IF( nn_components == jp_iam_opa ) THEN
2376	zotx1(:,:) = un(:,:,1)
2377	zoty1(:,:) = vn(:,:,1)
2378	ELSE
2379	SELECT CASE( TRIM( sn_snd_crt%cldes ) )
2380	CASE( 'oce only' ) ! C-grid ==> T
2381	DO jj = 2, jpjm1
2382	DO ji = fs_2, fs_jpim1 ! vector opt.
2383	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) )
2384	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) )
2385	END DO
2386	END DO
2387	CASE( 'weighted oce and ice' ) ! Ocean and Ice on C-grid ==> T
2388	DO jj = 2, jpjm1
2389	DO ji = fs_2, fs_jpim1 ! vector opt.
2390	zotx1(ji,jj) = 0.5 * ( un (ji,jj,1) + un (ji-1,jj ,1) ) * zfr_l(ji,jj)
2391	zoty1(ji,jj) = 0.5 * ( vn (ji,jj,1) + vn (ji ,jj-1,1) ) * zfr_l(ji,jj)
2392	zitx1(ji,jj) = 0.5 * ( u_ice(ji,jj ) + u_ice(ji-1,jj ) ) * fr_i(ji,jj)
2393	zity1(ji,jj) = 0.5 * ( v_ice(ji,jj ) + v_ice(ji ,jj-1 ) ) * fr_i(ji,jj)
2394	END DO
2395	END DO
2396	CALL lbc_lnk_multi( 'sbccpl', zitx1, 'T', -1., zity1, 'T', -1. )
2397	CASE( 'mixed oce-ice' ) ! Ocean and Ice on C-grid ==> T
2398	DO jj = 2, jpjm1
2399	DO ji = fs_2, fs_jpim1 ! vector opt.
2400	zotx1(ji,jj) = 0.5 * ( un (ji,jj,1) + un (ji-1,jj ,1) ) * zfr_l(ji,jj) &
2401	& + 0.5 * ( u_ice(ji,jj ) + u_ice(ji-1,jj ) ) * fr_i(ji,jj)
2402	zoty1(ji,jj) = 0.5 * ( vn (ji,jj,1) + vn (ji ,jj-1,1) ) * zfr_l(ji,jj) &
2403	& + 0.5 * ( v_ice(ji,jj ) + v_ice(ji ,jj-1 ) ) * fr_i(ji,jj)
2404	END DO
2405	END DO
2406	END SELECT
2407	CALL lbc_lnk_multi( 'sbccpl', zotx1, ssnd(jps_ocx1)%clgrid, -1., zoty1, ssnd(jps_ocy1)%clgrid, -1. )
2408	!
2409	ENDIF
2410	!
2411	!
2412	IF( TRIM( sn_snd_crt%clvor ) == 'eastward-northward' ) THEN ! Rotation of the components
2413	! ! Ocean component
2414	CALL rot_rep( zotx1, zoty1, ssnd(jps_ocx1)%clgrid, 'ij->e', ztmp1 ) ! 1st component
2415	CALL rot_rep( zotx1, zoty1, ssnd(jps_ocx1)%clgrid, 'ij->n', ztmp2 ) ! 2nd component
2416	zotx1(:,:) = ztmp1(:,:) ! overwrite the components
2417	zoty1(:,:) = ztmp2(:,:)
2418	IF( ssnd(jps_ivx1)%laction ) THEN ! Ice component
2419	CALL rot_rep( zitx1, zity1, ssnd(jps_ivx1)%clgrid, 'ij->e', ztmp1 ) ! 1st component
2420	CALL rot_rep( zitx1, zity1, ssnd(jps_ivx1)%clgrid, 'ij->n', ztmp2 ) ! 2nd component
2421	zitx1(:,:) = ztmp1(:,:) ! overwrite the components
2422	zity1(:,:) = ztmp2(:,:)
2423	ENDIF
2424	ENDIF
2425	!
2426	! spherical coordinates to cartesian -> 2 components to 3 components
2427	IF( TRIM( sn_snd_crt%clvref ) == 'cartesian' ) THEN
2428	ztmp1(:,:) = zotx1(:,:) ! ocean currents
2429	ztmp2(:,:) = zoty1(:,:)
2430	CALL oce2geo ( ztmp1, ztmp2, 'T', zotx1, zoty1, zotz1 )
2431	!
2432	IF( ssnd(jps_ivx1)%laction ) THEN ! ice velocities
2433	ztmp1(:,:) = zitx1(:,:)
2434	ztmp1(:,:) = zity1(:,:)
2435	CALL oce2geo ( ztmp1, ztmp2, 'T', zitx1, zity1, zitz1 )
2436	ENDIF
2437	ENDIF
2438	!
2439	IF( ssnd(jps_ocx1)%laction ) CALL cpl_snd( jps_ocx1, isec, RESHAPE ( zotx1, (/jpi,jpj,1/) ), info ) ! ocean x current 1st grid
2440	IF( ssnd(jps_ocy1)%laction ) CALL cpl_snd( jps_ocy1, isec, RESHAPE ( zoty1, (/jpi,jpj,1/) ), info ) ! ocean y current 1st grid
2441	IF( ssnd(jps_ocz1)%laction ) CALL cpl_snd( jps_ocz1, isec, RESHAPE ( zotz1, (/jpi,jpj,1/) ), info ) ! ocean z current 1st grid
2442	!
2443	IF( ssnd(jps_ivx1)%laction ) CALL cpl_snd( jps_ivx1, isec, RESHAPE ( zitx1, (/jpi,jpj,1/) ), info ) ! ice x current 1st grid
2444	IF( ssnd(jps_ivy1)%laction ) CALL cpl_snd( jps_ivy1, isec, RESHAPE ( zity1, (/jpi,jpj,1/) ), info ) ! ice y current 1st grid
2445	IF( ssnd(jps_ivz1)%laction ) CALL cpl_snd( jps_ivz1, isec, RESHAPE ( zitz1, (/jpi,jpj,1/) ), info ) ! ice z current 1st grid
2446	!
2447	ENDIF
2448	!
2449	! ! ------------------------- !
2450	! ! Surface current to waves !
2451	! ! ------------------------- !
2452	IF( ssnd(jps_ocxw)%laction .OR. ssnd(jps_ocyw)%laction ) THEN
2453	!
2454	! j+1 j -----V---F
2455	! surface velocity always sent from T point ! \|
2456	! j \| T U
2457	! \| \|
2458	! j j-1 -I-------\|
2459	! (for I) \| \|
2460	! i-1 i i
2461	! i i+1 (for I)
2462	SELECT CASE( TRIM( sn_snd_crtw%cldes ) )
2463	CASE( 'oce only' ) ! C-grid ==> T
2464	DO jj = 2, jpjm1
2465	DO ji = fs_2, fs_jpim1 ! vector opt.
2466	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) )
2467	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji , jj-1,1) )
2468	END DO
2469	END DO
2470	CASE( 'weighted oce and ice' ) ! Ocean and Ice on C-grid ==> T
2471	DO jj = 2, jpjm1
2472	DO ji = fs_2, fs_jpim1 ! vector opt.
2473	zotx1(ji,jj) = 0.5 * ( un (ji,jj,1) + un (ji-1,jj ,1) ) * zfr_l(ji,jj)
2474	zoty1(ji,jj) = 0.5 * ( vn (ji,jj,1) + vn (ji ,jj-1,1) ) * zfr_l(ji,jj)
2475	zitx1(ji,jj) = 0.5 * ( u_ice(ji,jj ) + u_ice(ji-1,jj ) ) * fr_i(ji,jj)
2476	zity1(ji,jj) = 0.5 * ( v_ice(ji,jj ) + v_ice(ji ,jj-1 ) ) * fr_i(ji,jj)
2477	END DO
2478	END DO
2479	CALL lbc_lnk_multi( 'sbccpl', zitx1, 'T', -1., zity1, 'T', -1. )
2480	CASE( 'mixed oce-ice' ) ! Ocean and Ice on C-grid ==> T
2481	DO jj = 2, jpjm1
2482	DO ji = fs_2, fs_jpim1 ! vector opt.
2483	zotx1(ji,jj) = 0.5 * ( un (ji,jj,1) + un (ji-1,jj ,1) ) * zfr_l(ji,jj) &
2484	& + 0.5 * ( u_ice(ji,jj ) + u_ice(ji-1,jj ) ) * fr_i(ji,jj)
2485	zoty1(ji,jj) = 0.5 * ( vn (ji,jj,1) + vn (ji ,jj-1,1) ) * zfr_l(ji,jj) &
2486	& + 0.5 * ( v_ice(ji,jj ) + v_ice(ji ,jj-1 ) ) * fr_i(ji,jj)
2487	END DO
2488	END DO
2489	END SELECT
2490	CALL lbc_lnk_multi( 'sbccpl', zotx1, ssnd(jps_ocxw)%clgrid, -1., zoty1, ssnd(jps_ocyw)%clgrid, -1. )
2491	!
2492	!
2493	IF( TRIM( sn_snd_crtw%clvor ) == 'eastward-northward' ) THEN ! Rotation of the components
2494	! ! Ocean component
2495	CALL rot_rep( zotx1, zoty1, ssnd(jps_ocxw)%clgrid, 'ij->e', ztmp1 ) ! 1st component
2496	CALL rot_rep( zotx1, zoty1, ssnd(jps_ocxw)%clgrid, 'ij->n', ztmp2 ) ! 2nd component
2497	zotx1(:,:) = ztmp1(:,:) ! overwrite the components
2498	zoty1(:,:) = ztmp2(:,:)
2499	IF( ssnd(jps_ivx1)%laction ) THEN ! Ice component
2500	CALL rot_rep( zitx1, zity1, ssnd(jps_ivx1)%clgrid, 'ij->e', ztmp1 ) ! 1st component
2501	CALL rot_rep( zitx1, zity1, ssnd(jps_ivx1)%clgrid, 'ij->n', ztmp2 ) ! 2nd component
2502	zitx1(:,:) = ztmp1(:,:) ! overwrite the components
2503	zity1(:,:) = ztmp2(:,:)
2504	ENDIF
2505	ENDIF
2506	!
2507	! ! spherical coordinates to cartesian -> 2 components to 3 components
2508	! IF( TRIM( sn_snd_crtw%clvref ) == 'cartesian' ) THEN
2509	! ztmp1(:,:) = zotx1(:,:) ! ocean currents
2510	! ztmp2(:,:) = zoty1(:,:)
2511	! CALL oce2geo ( ztmp1, ztmp2, 'T', zotx1, zoty1, zotz1 )
2512	! !
2513	! IF( ssnd(jps_ivx1)%laction ) THEN ! ice velocities
2514	! ztmp1(:,:) = zitx1(:,:)
2515	! ztmp1(:,:) = zity1(:,:)
2516	! CALL oce2geo ( ztmp1, ztmp2, 'T', zitx1, zity1, zitz1 )
2517	! ENDIF
2518	! ENDIF
2519	!
2520	IF( ssnd(jps_ocxw)%laction ) CALL cpl_snd( jps_ocxw, isec, RESHAPE ( zotx1, (/jpi,jpj,1/) ), info ) ! ocean x current 1st grid
2521	IF( ssnd(jps_ocyw)%laction ) CALL cpl_snd( jps_ocyw, isec, RESHAPE ( zoty1, (/jpi,jpj,1/) ), info ) ! ocean y current 1st grid
2522	!
2523	ENDIF
2524	!
2525	IF( ssnd(jps_ficet)%laction ) THEN
2526	CALL cpl_snd( jps_ficet, isec, RESHAPE ( fr_i, (/jpi,jpj,1/) ), info )
2527	END IF
2528	! ! ------------------------- !
2529	! ! Water levels to waves !
2530	! ! ------------------------- !
2531	IF( ssnd(jps_wlev)%laction ) THEN
2532	IF( ln_apr_dyn ) THEN
2533	IF( kt /= nit000 ) THEN
2534	ztmp1(:,:) = sshb(:,:) - 0.5 * ( ssh_ib(:,:) + ssh_ibb(:,:) )
2535	ELSE
2536	ztmp1(:,:) = sshb(:,:)
2537	ENDIF
2538	ELSE
2539	ztmp1(:,:) = sshn(:,:)
2540	ENDIF
2541	CALL cpl_snd( jps_wlev , isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2542	END IF
2543	!
2544	! Fields sent by OPA to SAS when doing OPA<->SAS coupling
2545	! ! SSH
2546	IF( ssnd(jps_ssh )%laction ) THEN
2547	! ! removed inverse barometer ssh when Patm
2548	! forcing is used (for sea-ice dynamics)
2549	IF( ln_apr_dyn ) THEN ; ztmp1(:,:) = sshb(:,:) - 0.5 * ( ssh_ib(:,:) + ssh_ibb(:,:) )
2550	ELSE ; ztmp1(:,:) = sshn(:,:)
2551	ENDIF
2552	CALL cpl_snd( jps_ssh , isec, RESHAPE ( ztmp1 , (/jpi,jpj,1/) ), info )
2553
2554	ENDIF
2555	! ! SSS
2556	IF( ssnd(jps_soce )%laction ) THEN
2557	CALL cpl_snd( jps_soce , isec, RESHAPE ( tsn(:,:,1,jp_sal), (/jpi,jpj,1/) ), info )
2558	ENDIF
2559	! ! first T level thickness
2560	IF( ssnd(jps_e3t1st )%laction ) THEN
2561	CALL cpl_snd( jps_e3t1st, isec, RESHAPE ( e3t_n(:,:,1) , (/jpi,jpj,1/) ), info )
2562	ENDIF
2563	! ! Qsr fraction
2564	IF( ssnd(jps_fraqsr)%laction ) THEN
2565	CALL cpl_snd( jps_fraqsr, isec, RESHAPE ( fraqsr_1lev(:,:) , (/jpi,jpj,1/) ), info )
2566	ENDIF
2567	!
2568	! Fields sent by SAS to OPA when OASIS coupling
2569	! ! Solar heat flux
2570	IF( ssnd(jps_qsroce)%laction ) CALL cpl_snd( jps_qsroce, isec, RESHAPE ( qsr , (/jpi,jpj,1/) ), info )
2571	IF( ssnd(jps_qnsoce)%laction ) CALL cpl_snd( jps_qnsoce, isec, RESHAPE ( qns , (/jpi,jpj,1/) ), info )
2572	IF( ssnd(jps_oemp )%laction ) CALL cpl_snd( jps_oemp , isec, RESHAPE ( emp , (/jpi,jpj,1/) ), info )
2573	IF( ssnd(jps_sflx )%laction ) CALL cpl_snd( jps_sflx , isec, RESHAPE ( sfx , (/jpi,jpj,1/) ), info )
2574	IF( ssnd(jps_otx1 )%laction ) CALL cpl_snd( jps_otx1 , isec, RESHAPE ( utau, (/jpi,jpj,1/) ), info )
2575	IF( ssnd(jps_oty1 )%laction ) CALL cpl_snd( jps_oty1 , isec, RESHAPE ( vtau, (/jpi,jpj,1/) ), info )
2576	IF( ssnd(jps_rnf )%laction ) CALL cpl_snd( jps_rnf , isec, RESHAPE ( rnf , (/jpi,jpj,1/) ), info )
2577	IF( ssnd(jps_taum )%laction ) CALL cpl_snd( jps_taum , isec, RESHAPE ( taum, (/jpi,jpj,1/) ), info )
2578
2579	#if defined key_si3
2580	! ! ------------------------- !
2581	! ! Sea surface freezing temp !
2582	! ! ------------------------- !
2583	! needed by Met Office
2584	CALL eos_fzp(tsn(:,:,1,jp_sal), sstfrz)
2585	ztmp1(:,:) = sstfrz(:,:) + rt0
2586	IF( ssnd(jps_sstfrz)%laction ) CALL cpl_snd( jps_sstfrz, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info)
2587	#endif
2588	!
2589	END SUBROUTINE sbc_cpl_snd
2590
2591	!!======================================================================
2592	END MODULE sbccpl

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