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sbccpl.F90 in branches/UKMO/dev_r5518_cleanup_1d_cpl/NEMOGCM/NEMO/OPA_SRC/SBC – NEMO

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source: branches/UKMO/dev_r5518_cleanup_1d_cpl/NEMOGCM/NEMO/OPA_SRC/SBC/sbccpl.F90 @ 10044

Last change on this file since 10044 was 10044, checked in by dancopsey, 6 years ago
Correct label of 1D river runoff.
File size: 154.9 KB

Line
1	MODULE sbccpl
2	!!======================================================================
3	!! * MODULE sbccpl *
4	!! Surface Boundary Condition : momentum, heat and freshwater fluxes in coupled mode
5	!!======================================================================
6	!! History : 2.0 ! 2007-06 (R. Redler, N. Keenlyside, W. Park) Original code split into flxmod & taumod
7	!! 3.0 ! 2008-02 (G. Madec, C Talandier) surface module
8	!! 3.1 ! 2009_02 (G. Madec, S. Masson, E. Maisonave, A. Caubel) generic coupled interface
9	!! 3.4 ! 2011_11 (C. Harris) more flexibility + multi-category fields
10	!!----------------------------------------------------------------------
11	!!----------------------------------------------------------------------
12	!! namsbc_cpl : coupled formulation namlist
13	!! sbc_cpl_init : initialisation of the coupled exchanges
14	!! sbc_cpl_rcv : receive fields from the atmosphere over the ocean (ocean only)
15	!! receive stress from the atmosphere over the ocean (ocean-ice case)
16	!! sbc_cpl_ice_tau : receive stress from the atmosphere over ice
17	!! sbc_cpl_ice_flx : receive fluxes from the atmosphere over ice
18	!! sbc_cpl_snd : send fields to the atmosphere
19	!!----------------------------------------------------------------------
20	USE dom_oce ! ocean space and time domain
21	USE sbc_oce ! Surface boundary condition: ocean fields
22	USE sbc_ice ! Surface boundary condition: ice fields
23	USE sbcapr
24	USE sbcdcy ! surface boundary condition: diurnal cycle
25	USE phycst ! physical constants
26	#if defined key_lim3
27	USE ice ! ice variables
28	#endif
29	#if defined key_lim2
30	USE par_ice_2 ! ice parameters
31	USE ice_2 ! ice variables
32	#endif
33	USE cpl_oasis3 ! OASIS3 coupling
34	USE geo2ocean !
35	USE oce , ONLY : tsn, un, vn, sshn, ub, vb, sshb, fraqsr_1lev, &
36	CO2Flux_out_cpl, DMS_out_cpl, chloro_out_cpl, &
37	PCO2a_in_cpl, Dust_in_cpl, &
38	ln_medusa
39	USE albedo !
40	USE in_out_manager ! I/O manager
41	USE iom ! NetCDF library
42	USE lib_mpp ! distribued memory computing library
43	USE wrk_nemo ! work arrays
44	USE timing ! Timing
45	USE lbclnk ! ocean lateral boundary conditions (or mpp link)
46	USE eosbn2
47	USE sbcrnf , ONLY : l_rnfcpl
48	USE cpl_rnf_1d, ONLY: nn_cpl_river, cpl_rnf_1d_init, cpl_rnf_1d_to_2d ! Variables used in 1D river outflow
49	#if defined key_cpl_carbon_cycle
50	USE p4zflx, ONLY : oce_co2
51	#endif
52	#if defined key_lim3
53	USE limthd_dh ! for CALL lim_thd_snwblow
54	#endif
55	USE lib_fortran, ONLY: glob_sum
56
57	IMPLICIT NONE
58	PRIVATE
59
60	PUBLIC sbc_cpl_init ! routine called by sbcmod.F90
61	PUBLIC sbc_cpl_rcv ! routine called by sbc_ice_lim(_2).F90
62	PUBLIC sbc_cpl_snd ! routine called by step.F90
63	PUBLIC sbc_cpl_ice_tau ! routine called by sbc_ice_lim(_2).F90
64	PUBLIC sbc_cpl_ice_flx ! routine called by sbc_ice_lim(_2).F90
65	PUBLIC sbc_cpl_alloc ! routine called in sbcice_cice.F90
66
67	INTEGER, PARAMETER :: jpr_otx1 = 1 ! 3 atmosphere-ocean stress components on grid 1
68	INTEGER, PARAMETER :: jpr_oty1 = 2 !
69	INTEGER, PARAMETER :: jpr_otz1 = 3 !
70	INTEGER, PARAMETER :: jpr_otx2 = 4 ! 3 atmosphere-ocean stress components on grid 2
71	INTEGER, PARAMETER :: jpr_oty2 = 5 !
72	INTEGER, PARAMETER :: jpr_otz2 = 6 !
73	INTEGER, PARAMETER :: jpr_itx1 = 7 ! 3 atmosphere-ice stress components on grid 1
74	INTEGER, PARAMETER :: jpr_ity1 = 8 !
75	INTEGER, PARAMETER :: jpr_itz1 = 9 !
76	INTEGER, PARAMETER :: jpr_itx2 = 10 ! 3 atmosphere-ice stress components on grid 2
77	INTEGER, PARAMETER :: jpr_ity2 = 11 !
78	INTEGER, PARAMETER :: jpr_itz2 = 12 !
79	INTEGER, PARAMETER :: jpr_qsroce = 13 ! Qsr above the ocean
80	INTEGER, PARAMETER :: jpr_qsrice = 14 ! Qsr above the ice
81	INTEGER, PARAMETER :: jpr_qsrmix = 15
82	INTEGER, PARAMETER :: jpr_qnsoce = 16 ! Qns above the ocean
83	INTEGER, PARAMETER :: jpr_qnsice = 17 ! Qns above the ice
84	INTEGER, PARAMETER :: jpr_qnsmix = 18
85	INTEGER, PARAMETER :: jpr_rain = 19 ! total liquid precipitation (rain)
86	INTEGER, PARAMETER :: jpr_snow = 20 ! solid precipitation over the ocean (snow)
87	INTEGER, PARAMETER :: jpr_tevp = 21 ! total evaporation
88	INTEGER, PARAMETER :: jpr_ievp = 22 ! solid evaporation (sublimation)
89	INTEGER, PARAMETER :: jpr_sbpr = 23 ! sublimation - liquid precipitation - solid precipitation
90	INTEGER, PARAMETER :: jpr_semp = 24 ! solid freshwater budget (sublimation - snow)
91	INTEGER, PARAMETER :: jpr_oemp = 25 ! ocean freshwater budget (evap - precip)
92	INTEGER, PARAMETER :: jpr_w10m = 26 ! 10m wind
93	INTEGER, PARAMETER :: jpr_dqnsdt = 27 ! d(Q non solar)/d(temperature)
94	INTEGER, PARAMETER :: jpr_rnf = 28 ! runoffs
95	INTEGER, PARAMETER :: jpr_cal = 29 ! calving
96	INTEGER, PARAMETER :: jpr_taum = 30 ! wind stress module
97	INTEGER, PARAMETER :: jpr_co2 = 31
98	INTEGER, PARAMETER :: jpr_topm = 32 ! topmeltn
99	INTEGER, PARAMETER :: jpr_botm = 33 ! botmeltn
100	INTEGER, PARAMETER :: jpr_sflx = 34 ! salt flux
101	INTEGER, PARAMETER :: jpr_toce = 35 ! ocean temperature
102	INTEGER, PARAMETER :: jpr_soce = 36 ! ocean salinity
103	INTEGER, PARAMETER :: jpr_ocx1 = 37 ! ocean current on grid 1
104	INTEGER, PARAMETER :: jpr_ocy1 = 38 !
105	INTEGER, PARAMETER :: jpr_ssh = 39 ! sea surface height
106	INTEGER, PARAMETER :: jpr_fice = 40 ! ice fraction
107	INTEGER, PARAMETER :: jpr_e3t1st = 41 ! first T level thickness
108	INTEGER, PARAMETER :: jpr_fraqsr = 42 ! fraction of solar net radiation absorbed in the first ocean level
109	INTEGER, PARAMETER :: jpr_ts_ice = 43 ! skin temperature of sea-ice (used for melt-ponds)
110	INTEGER, PARAMETER :: jpr_grnm = 44 ! Greenland ice mass
111	INTEGER, PARAMETER :: jpr_antm = 45 ! Antarctic ice mass
112	INTEGER, PARAMETER :: jpr_atm_pco2 = 46 ! Incoming atm CO2 flux
113	INTEGER, PARAMETER :: jpr_atm_dust = 47 ! Incoming atm aggregate dust
114	INTEGER, PARAMETER :: jpr_rnf_1d = 48 ! 1D river runoff
115	INTEGER, PARAMETER :: jprcv = 48 ! total number of fields received
116
117	INTEGER, PARAMETER :: jps_fice = 1 ! ice fraction sent to the atmosphere
118	INTEGER, PARAMETER :: jps_toce = 2 ! ocean temperature
119	INTEGER, PARAMETER :: jps_tice = 3 ! ice temperature
120	INTEGER, PARAMETER :: jps_tmix = 4 ! mixed temperature (ocean+ice)
121	INTEGER, PARAMETER :: jps_albice = 5 ! ice albedo
122	INTEGER, PARAMETER :: jps_albmix = 6 ! mixed albedo
123	INTEGER, PARAMETER :: jps_hice = 7 ! ice thickness
124	INTEGER, PARAMETER :: jps_hsnw = 8 ! snow thickness
125	INTEGER, PARAMETER :: jps_ocx1 = 9 ! ocean current on grid 1
126	INTEGER, PARAMETER :: jps_ocy1 = 10 !
127	INTEGER, PARAMETER :: jps_ocz1 = 11 !
128	INTEGER, PARAMETER :: jps_ivx1 = 12 ! ice current on grid 1
129	INTEGER, PARAMETER :: jps_ivy1 = 13 !
130	INTEGER, PARAMETER :: jps_ivz1 = 14 !
131	INTEGER, PARAMETER :: jps_co2 = 15
132	INTEGER, PARAMETER :: jps_soce = 16 ! ocean salinity
133	INTEGER, PARAMETER :: jps_ssh = 17 ! sea surface height
134	INTEGER, PARAMETER :: jps_qsroce = 18 ! Qsr above the ocean
135	INTEGER, PARAMETER :: jps_qnsoce = 19 ! Qns above the ocean
136	INTEGER, PARAMETER :: jps_oemp = 20 ! ocean freshwater budget (evap - precip)
137	INTEGER, PARAMETER :: jps_sflx = 21 ! salt flux
138	INTEGER, PARAMETER :: jps_otx1 = 22 ! 2 atmosphere-ocean stress components on grid 1
139	INTEGER, PARAMETER :: jps_oty1 = 23 !
140	INTEGER, PARAMETER :: jps_rnf = 24 ! runoffs
141	INTEGER, PARAMETER :: jps_taum = 25 ! wind stress module
142	INTEGER, PARAMETER :: jps_fice2 = 26 ! ice fraction sent to OPA (by SAS when doing SAS-OPA coupling)
143	INTEGER, PARAMETER :: jps_e3t1st = 27 ! first level depth (vvl)
144	INTEGER, PARAMETER :: jps_fraqsr = 28 ! fraction of solar net radiation absorbed in the first ocean level
145	INTEGER, PARAMETER :: jps_a_p = 29 ! meltpond fraction
146	INTEGER, PARAMETER :: jps_ht_p = 30 ! meltpond depth (m)
147	INTEGER, PARAMETER :: jps_kice = 31 ! ice surface layer thermal conductivity
148	INTEGER, PARAMETER :: jps_sstfrz = 32 ! sea-surface freezing temperature
149	INTEGER, PARAMETER :: jps_fice1 = 33 ! first-order ice concentration (for time-travelling ice coupling)
150	INTEGER, PARAMETER :: jps_bio_co2 = 34 ! MEDUSA air-sea CO2 flux
151	INTEGER, PARAMETER :: jps_bio_dms = 35 ! MEDUSA DMS surface concentration
152	INTEGER, PARAMETER :: jps_bio_chloro = 36 ! MEDUSA chlorophyll surface concentration
153	INTEGER, PARAMETER :: jpsnd = 36 ! total number of fields sent
154
155	REAL(wp), PARAMETER :: dms_unit_conv = 1.0e+6 ! Coversion factor to get outgong DMS in standard units for coupling
156	! i.e. specifically nmol/L (= umol/m3)
157
158	! !! namelist namsbc_cpl
159	TYPE :: FLD_C
160	CHARACTER(len = 32) :: cldes ! desciption of the coupling strategy
161	CHARACTER(len = 32) :: clcat ! multiple ice categories strategy
162	CHARACTER(len = 32) :: clvref ! reference of vector ('spherical' or 'cartesian')
163	CHARACTER(len = 32) :: clvor ! orientation of vector fields ('eastward-northward' or 'local grid')
164	CHARACTER(len = 32) :: clvgrd ! grids on which is located the vector fields
165	END TYPE FLD_C
166	! Send to the atmosphere !
167	TYPE(FLD_C) :: sn_snd_temp, sn_snd_alb, sn_snd_thick, sn_snd_crt, sn_snd_co2, sn_snd_cond, sn_snd_mpnd, sn_snd_sstfrz, sn_snd_thick1
168	TYPE(FLD_C) :: sn_snd_bio_co2, sn_snd_bio_dms, sn_snd_bio_chloro
169
170	! Received from the atmosphere !
171	TYPE(FLD_C) :: sn_rcv_w10m, sn_rcv_taumod, sn_rcv_tau, sn_rcv_dqnsdt, sn_rcv_qsr, sn_rcv_qns, sn_rcv_emp, sn_rcv_rnf
172	TYPE(FLD_C) :: sn_rcv_cal, sn_rcv_iceflx, sn_rcv_co2, sn_rcv_ts_ice, sn_rcv_grnm, sn_rcv_antm
173	TYPE(FLD_C) :: sn_rcv_atm_pco2, sn_rcv_atm_dust
174
175	! Other namelist parameters !
176	INTEGER :: nn_cplmodel ! Maximum number of models to/from which NEMO is potentialy sending/receiving data
177	LOGICAL :: ln_usecplmask ! use a coupling mask file to merge data received from several models
178	! -> file cplmask.nc with the float variable called cplmask (jpi,jpj,nn_cplmodel)
179
180	TYPE :: DYNARR
181	REAL(wp), POINTER, DIMENSION(:,:,:) :: z3
182	END TYPE DYNARR
183
184	TYPE( DYNARR ), SAVE, DIMENSION(jprcv) :: frcv ! all fields recieved from the atmosphere
185
186	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: albedo_oce_mix ! ocean albedo sent to atmosphere (mix clear/overcast sky)
187
188	INTEGER , ALLOCATABLE, SAVE, DIMENSION( :) :: nrcvinfo ! OASIS info argument
189
190	!! Substitution
191	# include "domzgr_substitute.h90"
192	# include "vectopt_loop_substitute.h90"
193	!!----------------------------------------------------------------------
194	!! NEMO/OPA 3.3 , NEMO Consortium (2010)
195	!! $Id$
196	!! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)
197	!!----------------------------------------------------------------------
198
199	CONTAINS
200
201	INTEGER FUNCTION sbc_cpl_alloc()
202	!!----------------------------------------------------------------------
203	!! * FUNCTION sbc_cpl_alloc *
204	!!----------------------------------------------------------------------
205	INTEGER :: ierr(3)
206	!!----------------------------------------------------------------------
207	ierr(:) = 0
208	!
209	ALLOCATE( albedo_oce_mix(jpi,jpj), nrcvinfo(jprcv), STAT=ierr(1) )
210
211	#if ! defined key_lim3 && ! defined key_lim2 && ! defined key_cice
212	ALLOCATE( a_i(jpi,jpj,1) , STAT=ierr(2) ) ! used in sbcice_if.F90 (done here as there is no sbc_ice_if_init)
213	#endif
214	!ALLOCATE( xcplmask(jpi,jpj,0:nn_cplmodel) , STAT=ierr(3) )
215	! Hardwire only two models as nn_cplmodel has not been read in
216	! from the namelist yet.
217	ALLOCATE( xcplmask(jpi,jpj,0:2) , STAT=ierr(3) )
218	!
219	sbc_cpl_alloc = MAXVAL( ierr )
220	IF( lk_mpp ) CALL mpp_sum ( sbc_cpl_alloc )
221	IF( sbc_cpl_alloc > 0 ) CALL ctl_warn('sbc_cpl_alloc: allocation of arrays failed')
222	!
223	END FUNCTION sbc_cpl_alloc
224
225
226	SUBROUTINE sbc_cpl_init( k_ice )
227	!!----------------------------------------------------------------------
228	!! * ROUTINE sbc_cpl_init *
229	!!
230	!! ** Purpose : Initialisation of send and received information from
231	!! the atmospheric component
232	!!
233	!! ** Method : * Read namsbc_cpl namelist
234	!! * define the receive interface
235	!! * define the send interface
236	!! * initialise the OASIS coupler
237	!!----------------------------------------------------------------------
238	INTEGER, INTENT(in) :: k_ice ! ice management in the sbc (=0/1/2/3)
239	!!
240	INTEGER :: jn ! dummy loop index
241	INTEGER :: ios ! Local integer output status for namelist read
242	INTEGER :: inum
243	REAL(wp), POINTER, DIMENSION(:,:) :: zacs, zaos
244	!!
245	NAMELIST/namsbc_cpl/ sn_snd_temp, sn_snd_alb , sn_snd_thick , sn_snd_crt , sn_snd_co2, &
246	& sn_snd_cond, sn_snd_mpnd , sn_snd_sstfrz, sn_snd_thick1, &
247	& sn_rcv_w10m, sn_rcv_taumod, sn_rcv_tau , sn_rcv_dqnsdt, sn_rcv_qsr, &
248	& sn_rcv_qns , sn_rcv_emp , sn_rcv_rnf , sn_rcv_cal , sn_rcv_iceflx, &
249	& sn_rcv_co2 , sn_rcv_grnm , sn_rcv_antm , sn_rcv_ts_ice, nn_cplmodel , &
250	& ln_usecplmask, nn_coupled_iceshelf_fluxes, ln_iceshelf_init_atmos, &
251	& rn_greenland_total_fw_flux, rn_greenland_calving_fraction, &
252	& rn_antarctica_total_fw_flux, rn_antarctica_calving_fraction, rn_iceshelf_fluxes_tolerance
253	!!---------------------------------------------------------------------
254
255	! Add MEDUSA related fields to namelist
256	NAMELIST/namsbc_cpl/ sn_snd_bio_co2, sn_snd_bio_dms, sn_snd_bio_chloro, &
257	& sn_rcv_atm_pco2, sn_rcv_atm_dust
258
259	! Add river coupling related field to namelist
260	NAMELIST/namsbc_cpl/ nn_cpl_river
261
262
263	!!---------------------------------------------------------------------
264
265	!
266	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_init')
267	!
268	CALL wrk_alloc( jpi,jpj, zacs, zaos )
269
270	! ================================ !
271	! Namelist informations !
272	! ================================ !
273
274	REWIND( numnam_ref ) ! Namelist namsbc_cpl in reference namelist : Variables for OASIS coupling
275	READ ( numnam_ref, namsbc_cpl, IOSTAT = ios, ERR = 901)
276	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_cpl in reference namelist', lwp )
277
278	REWIND( numnam_cfg ) ! Namelist namsbc_cpl in configuration namelist : Variables for OASIS coupling
279	READ ( numnam_cfg, namsbc_cpl, IOSTAT = ios, ERR = 902 )
280	902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_cpl in configuration namelist', lwp )
281	IF(lwm) WRITE ( numond, namsbc_cpl )
282
283	IF(lwp) THEN ! control print
284	WRITE(numout,*)
285	WRITE(numout,*)'sbc_cpl_init : namsbc_cpl namelist '
286	WRITE(numout,*)'~~~~~~~~~~~~'
287	ENDIF
288	IF( lwp .AND. ln_cpl ) THEN ! control print
289	WRITE(numout,*)' received fields (mutiple ice categories)'
290	WRITE(numout,*)' 10m wind module = ', TRIM(sn_rcv_w10m%cldes ), ' (', TRIM(sn_rcv_w10m%clcat ), ')'
291	WRITE(numout,*)' stress module = ', TRIM(sn_rcv_taumod%cldes), ' (', TRIM(sn_rcv_taumod%clcat), ')'
292	WRITE(numout,*)' surface stress = ', TRIM(sn_rcv_tau%cldes ), ' (', TRIM(sn_rcv_tau%clcat ), ')'
293	WRITE(numout,*)' - referential = ', sn_rcv_tau%clvref
294	WRITE(numout,*)' - orientation = ', sn_rcv_tau%clvor
295	WRITE(numout,*)' - mesh = ', sn_rcv_tau%clvgrd
296	WRITE(numout,*)' non-solar heat flux sensitivity = ', TRIM(sn_rcv_dqnsdt%cldes), ' (', TRIM(sn_rcv_dqnsdt%clcat), ')'
297	WRITE(numout,*)' solar heat flux = ', TRIM(sn_rcv_qsr%cldes ), ' (', TRIM(sn_rcv_qsr%clcat ), ')'
298	WRITE(numout,*)' non-solar heat flux = ', TRIM(sn_rcv_qns%cldes ), ' (', TRIM(sn_rcv_qns%clcat ), ')'
299	WRITE(numout,*)' freshwater budget = ', TRIM(sn_rcv_emp%cldes ), ' (', TRIM(sn_rcv_emp%clcat ), ')'
300	WRITE(numout,*)' runoffs = ', TRIM(sn_rcv_rnf%cldes ), ' (', TRIM(sn_rcv_rnf%clcat ), ')'
301	WRITE(numout,*)' calving = ', TRIM(sn_rcv_cal%cldes ), ' (', TRIM(sn_rcv_cal%clcat ), ')'
302	WRITE(numout,*)' Greenland ice mass = ', TRIM(sn_rcv_grnm%cldes ), ' (', TRIM(sn_rcv_grnm%clcat ), ')'
303	WRITE(numout,*)' Antarctica ice mass = ', TRIM(sn_rcv_antm%cldes ), ' (', TRIM(sn_rcv_antm%clcat ), ')'
304	WRITE(numout,*)' sea ice heat fluxes = ', TRIM(sn_rcv_iceflx%cldes), ' (', TRIM(sn_rcv_iceflx%clcat), ')'
305	WRITE(numout,*)' atm co2 = ', TRIM(sn_rcv_co2%cldes ), ' (', TRIM(sn_rcv_co2%clcat ), ')'
306	WRITE(numout,*)' atm pco2 = ', TRIM(sn_rcv_atm_pco2%cldes), ' (', TRIM(sn_rcv_atm_pco2%clcat), ')'
307	WRITE(numout,*)' atm dust = ', TRIM(sn_rcv_atm_dust%cldes), ' (', TRIM(sn_rcv_atm_dust%clcat), ')'
308	WRITE(numout,*)' sent fields (multiple ice categories)'
309	WRITE(numout,*)' surface temperature = ', TRIM(sn_snd_temp%cldes ), ' (', TRIM(sn_snd_temp%clcat ), ')'
310	WRITE(numout,*)' albedo = ', TRIM(sn_snd_alb%cldes ), ' (', TRIM(sn_snd_alb%clcat ), ')'
311	WRITE(numout,*)' ice/snow thickness = ', TRIM(sn_snd_thick%cldes ), ' (', TRIM(sn_snd_thick%clcat ), ')'
312	WRITE(numout,*)' surface current = ', TRIM(sn_snd_crt%cldes ), ' (', TRIM(sn_snd_crt%clcat ), ')'
313	WRITE(numout,*)' - referential = ', sn_snd_crt%clvref
314	WRITE(numout,*)' - orientation = ', sn_snd_crt%clvor
315	WRITE(numout,*)' - mesh = ', sn_snd_crt%clvgrd
316	WRITE(numout,*)' bio co2 flux = ', TRIM(sn_snd_bio_co2%cldes), ' (', TRIM(sn_snd_bio_co2%clcat), ')'
317	WRITE(numout,*)' bio dms flux = ', TRIM(sn_snd_bio_dms%cldes), ' (', TRIM(sn_snd_bio_dms%clcat), ')'
318	WRITE(numout,*)' bio dms chlorophyll = ', TRIM(sn_snd_bio_chloro%cldes), ' (', TRIM(sn_snd_bio_chloro%clcat), ')'
319	WRITE(numout,*)' oce co2 flux = ', TRIM(sn_snd_co2%cldes ), ' (', TRIM(sn_snd_co2%clcat ), ')'
320	WRITE(numout,*)' ice effective conductivity = ', TRIM(sn_snd_cond%cldes ), ' (', TRIM(sn_snd_cond%clcat ), ')'
321	WRITE(numout,*)' meltponds fraction & depth = ', TRIM(sn_snd_mpnd%cldes ), ' (', TRIM(sn_snd_mpnd%clcat ), ')'
322	WRITE(numout,*)' sea surface freezing temp = ', TRIM(sn_snd_sstfrz%cldes ), ' (', TRIM(sn_snd_sstfrz%clcat ), ')'
323
324	WRITE(numout,*)' nn_cplmodel = ', nn_cplmodel
325	WRITE(numout,*)' ln_usecplmask = ', ln_usecplmask
326	WRITE(numout,*)' nn_coupled_iceshelf_fluxes = ', nn_coupled_iceshelf_fluxes
327	WRITE(numout,*)' ln_iceshelf_init_atmos = ', ln_iceshelf_init_atmos
328	WRITE(numout,*)' rn_greenland_total_fw_flux = ', rn_greenland_total_fw_flux
329	WRITE(numout,*)' rn_antarctica_total_fw_flux = ', rn_antarctica_total_fw_flux
330	WRITE(numout,*)' rn_greenland_calving_fraction = ', rn_greenland_calving_fraction
331	WRITE(numout,*)' rn_antarctica_calving_fraction = ', rn_antarctica_calving_fraction
332	WRITE(numout,*)' rn_iceshelf_fluxes_tolerance = ', rn_iceshelf_fluxes_tolerance
333	WRITE(numout,*)' nn_cpl_river = ', nn_cpl_river
334
335	ENDIF
336
337	! ! allocate sbccpl arrays
338	!IF( sbc_cpl_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_cpl_alloc : unable to allocate arrays' )
339
340	! ================================ !
341	! Define the receive interface !
342	! ================================ !
343	nrcvinfo(:) = OASIS_idle ! needed by nrcvinfo(jpr_otx1) if we do not receive ocean stress
344
345	! for each field: define the OASIS name (srcv(:)%clname)
346	! define receive or not from the namelist parameters (srcv(:)%laction)
347	! define the north fold type of lbc (srcv(:)%nsgn)
348
349	! default definitions of srcv
350	srcv(:)%laction = .FALSE. ; srcv(:)%clgrid = 'T' ; srcv(:)%nsgn = 1. ; srcv(:)%nct = 1 ; srcv(:)%dimensions = 2
351
352	! ! ------------------------- !
353	! ! ice and ocean wind stress !
354	! ! ------------------------- !
355	! ! Name
356	srcv(jpr_otx1)%clname = 'O_OTaux1' ! 1st ocean component on grid ONE (T or U)
357	srcv(jpr_oty1)%clname = 'O_OTauy1' ! 2nd - - - -
358	srcv(jpr_otz1)%clname = 'O_OTauz1' ! 3rd - - - -
359	srcv(jpr_otx2)%clname = 'O_OTaux2' ! 1st ocean component on grid TWO (V)
360	srcv(jpr_oty2)%clname = 'O_OTauy2' ! 2nd - - - -
361	srcv(jpr_otz2)%clname = 'O_OTauz2' ! 3rd - - - -
362	!
363	srcv(jpr_itx1)%clname = 'O_ITaux1' ! 1st ice component on grid ONE (T, F, I or U)
364	srcv(jpr_ity1)%clname = 'O_ITauy1' ! 2nd - - - -
365	srcv(jpr_itz1)%clname = 'O_ITauz1' ! 3rd - - - -
366	srcv(jpr_itx2)%clname = 'O_ITaux2' ! 1st ice component on grid TWO (V)
367	srcv(jpr_ity2)%clname = 'O_ITauy2' ! 2nd - - - -
368	srcv(jpr_itz2)%clname = 'O_ITauz2' ! 3rd - - - -
369	!
370	! Vectors: change of sign at north fold ONLY if on the local grid
371	IF( TRIM( sn_rcv_tau%clvor ) == 'local grid' ) srcv(jpr_otx1:jpr_itz2)%nsgn = -1.
372
373	! ! Set grid and action
374	SELECT CASE( TRIM( sn_rcv_tau%clvgrd ) ) ! 'T', 'U,V', 'U,V,I', 'U,V,F', 'T,I', 'T,F', or 'T,U,V'
375	CASE( 'T' )
376	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
377	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
378	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
379	CASE( 'U,V' )
380	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
381	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
382	srcv(jpr_itx1:jpr_itz1)%clgrid = 'U' ! ice components given at U-point
383	srcv(jpr_itx2:jpr_itz2)%clgrid = 'V' ! and V-point
384	srcv(jpr_otx1:jpr_itz2)%laction = .TRUE. ! receive oce and ice components on both grid 1 & 2
385	CASE( 'U,V,T' )
386	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
387	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
388	srcv(jpr_itx1:jpr_itz1)%clgrid = 'T' ! ice components given at T-point
389	srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
390	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
391	CASE( 'U,V,I' )
392	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
393	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
394	srcv(jpr_itx1:jpr_itz1)%clgrid = 'I' ! ice components given at I-point
395	srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
396	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
397	CASE( 'U,V,F' )
398	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
399	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
400	srcv(jpr_itx1:jpr_itz1)%clgrid = 'F' ! ice components given at F-point
401	!srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
402	! Currently needed for HadGEM3 - but shouldn't affect anyone else for the moment
403	srcv(jpr_otx1)%laction = .TRUE.
404	srcv(jpr_oty1)%laction = .TRUE.
405	!
406	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
407	CASE( 'T,I' )
408	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
409	srcv(jpr_itx1:jpr_itz1)%clgrid = 'I' ! ice components given at I-point
410	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
411	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
412	CASE( 'T,F' )
413	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
414	srcv(jpr_itx1:jpr_itz1)%clgrid = 'F' ! ice components given at F-point
415	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
416	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
417	CASE( 'T,U,V' )
418	srcv(jpr_otx1:jpr_otz1)%clgrid = 'T' ! oce components given at T-point
419	srcv(jpr_itx1:jpr_itz1)%clgrid = 'U' ! ice components given at U-point
420	srcv(jpr_itx2:jpr_itz2)%clgrid = 'V' ! and V-point
421	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1 only
422	srcv(jpr_itx1:jpr_itz2)%laction = .TRUE. ! receive ice components on grid 1 & 2
423	CASE default
424	CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_tau%clvgrd' )
425	END SELECT
426	!
427	IF( TRIM( sn_rcv_tau%clvref ) == 'spherical' ) & ! spherical: 3rd component not received
428	& srcv( (/jpr_otz1, jpr_otz2, jpr_itz1, jpr_itz2/) )%laction = .FALSE.
429	!
430	IF( TRIM( sn_rcv_tau%clvor ) == 'local grid' ) THEN ! already on local grid -> no need of the second grid
431	srcv(jpr_otx2:jpr_otz2)%laction = .FALSE.
432	srcv(jpr_itx2:jpr_itz2)%laction = .FALSE.
433	srcv(jpr_oty1)%clgrid = srcv(jpr_oty2)%clgrid ! not needed but cleaner...
434	srcv(jpr_ity1)%clgrid = srcv(jpr_ity2)%clgrid ! not needed but cleaner...
435	ENDIF
436	!
437	IF( TRIM( sn_rcv_tau%cldes ) /= 'oce and ice' ) THEN ! 'oce and ice' case ocean stress on ocean mesh used
438	srcv(jpr_itx1:jpr_itz2)%laction = .FALSE. ! ice components not received
439	srcv(jpr_itx1)%clgrid = 'U' ! ocean stress used after its transformation
440	srcv(jpr_ity1)%clgrid = 'V' ! i.e. it is always at U- & V-points for i- & j-comp. resp.
441	ENDIF
442
443	! ! ------------------------- !
444	! ! freshwater budget ! E-P
445	! ! ------------------------- !
446	! we suppose that atmosphere modele do not make the difference between precipiration (liquide or solid)
447	! over ice of free ocean within the same atmospheric cell.cd
448	srcv(jpr_rain)%clname = 'OTotRain' ! Rain = liquid precipitation
449	srcv(jpr_snow)%clname = 'OTotSnow' ! Snow = solid precipitation
450	srcv(jpr_tevp)%clname = 'OTotEvap' ! total evaporation (over oce + ice sublimation)
451	srcv(jpr_ievp)%clname = 'OIceEvp' ! evaporation over ice = sublimation
452	srcv(jpr_sbpr)%clname = 'OSubMPre' ! sublimation - liquid precipitation - solid precipitation
453	srcv(jpr_semp)%clname = 'OISubMSn' ! ice solid water budget = sublimation - solid precipitation
454	srcv(jpr_oemp)%clname = 'OOEvaMPr' ! ocean water budget = ocean Evap - ocean precip
455	SELECT CASE( TRIM( sn_rcv_emp%cldes ) )
456	CASE( 'none' ) ! nothing to do
457	CASE( 'oce only' ) ; srcv( jpr_oemp )%laction = .TRUE.
458	CASE( 'conservative' )
459	srcv( (/jpr_rain, jpr_snow, jpr_ievp, jpr_tevp/) )%laction = .TRUE.
460	IF ( k_ice <= 1 ) srcv(jpr_ievp)%laction = .FALSE.
461	CASE( 'oce and ice' ) ; srcv( (/jpr_ievp, jpr_sbpr, jpr_semp, jpr_oemp/) )%laction = .TRUE.
462	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_emp%cldes' )
463	END SELECT
464	!Set the number of categories for coupling of sublimation
465	IF ( TRIM( sn_rcv_emp%clcat ) == 'yes' ) srcv(jpr_ievp)%nct = jpl
466	!
467	! ! ------------------------- !
468	! ! Runoffs & Calving !
469	! ! ------------------------- !
470	srcv(jpr_rnf )%clname = 'O_Runoff'
471	srcv(jpr_rnf_1d )%clname = 'runoffo'
472	IF( TRIM( sn_rcv_rnf%cldes ) == 'coupled' .OR. TRIM( sn_rcv_rnf%cldes ) == 'coupled1d' ) THEN
473	IF( TRIM( sn_rcv_rnf%cldes ) == 'coupled' ) srcv(jpr_rnf)%laction = .TRUE.
474	IF( TRIM( sn_rcv_rnf%cldes ) == 'coupled1d' ) THEN
475	srcv(jpr_rnf_1d)%laction = .TRUE.
476	srcv(jpr_rnf_1d)%dimensions = 1 ! 1D field passed through coupler
477	END IF
478	l_rnfcpl = .TRUE. ! -> no need to read runoffs in sbcrnf
479	ln_rnf = nn_components /= jp_iam_sas ! -> force to go through sbcrnf if not sas
480	IF(lwp) WRITE(numout,*)
481	IF(lwp) WRITE(numout,*) ' runoffs received from oasis -> force ln_rnf = ', ln_rnf
482	ENDIF
483	!
484	srcv(jpr_cal )%clname = 'OCalving'
485	IF( TRIM( sn_rcv_cal%cldes ) == 'coupled' ) srcv(jpr_cal)%laction = .TRUE.
486	srcv(jpr_grnm )%clname = 'OGrnmass'
487	srcv(jpr_grnm )%dimensions = 0 ! Scalar field
488
489	IF( TRIM( sn_rcv_grnm%cldes ) == 'coupled' ) srcv(jpr_grnm)%laction = .TRUE.
490	srcv(jpr_antm )%clname = 'OAntmass'
491	srcv(jpr_antm )%dimensions = 0 ! Scalar field
492	IF( TRIM( sn_rcv_antm%cldes ) == 'coupled' ) srcv(jpr_antm)%laction = .TRUE.
493
494
495	! ! ------------------------- !
496	! ! non solar radiation ! Qns
497	! ! ------------------------- !
498	srcv(jpr_qnsoce)%clname = 'O_QnsOce'
499	srcv(jpr_qnsice)%clname = 'O_QnsIce'
500	srcv(jpr_qnsmix)%clname = 'O_QnsMix'
501	SELECT CASE( TRIM( sn_rcv_qns%cldes ) )
502	CASE( 'none' ) ! nothing to do
503	CASE( 'oce only' ) ; srcv( jpr_qnsoce )%laction = .TRUE.
504	CASE( 'conservative' ) ; srcv( (/jpr_qnsice, jpr_qnsmix/) )%laction = .TRUE.
505	CASE( 'oce and ice' ) ; srcv( (/jpr_qnsice, jpr_qnsoce/) )%laction = .TRUE.
506	CASE( 'mixed oce-ice' ) ; srcv( jpr_qnsmix )%laction = .TRUE.
507	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_qns%cldes' )
508	END SELECT
509	IF( TRIM( sn_rcv_qns%cldes ) == 'mixed oce-ice' .AND. jpl > 1 ) &
510	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_qns%cldes not currently allowed to be mixed oce-ice for multi-category ice' )
511	! ! ------------------------- !
512	! ! solar radiation ! Qsr
513	! ! ------------------------- !
514	srcv(jpr_qsroce)%clname = 'O_QsrOce'
515	srcv(jpr_qsrice)%clname = 'O_QsrIce'
516	srcv(jpr_qsrmix)%clname = 'O_QsrMix'
517	SELECT CASE( TRIM( sn_rcv_qsr%cldes ) )
518	CASE( 'none' ) ! nothing to do
519	CASE( 'oce only' ) ; srcv( jpr_qsroce )%laction = .TRUE.
520	CASE( 'conservative' ) ; srcv( (/jpr_qsrice, jpr_qsrmix/) )%laction = .TRUE.
521	CASE( 'oce and ice' ) ; srcv( (/jpr_qsrice, jpr_qsroce/) )%laction = .TRUE.
522	CASE( 'mixed oce-ice' ) ; srcv( jpr_qsrmix )%laction = .TRUE.
523	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_qsr%cldes' )
524	END SELECT
525	IF( TRIM( sn_rcv_qsr%cldes ) == 'mixed oce-ice' .AND. jpl > 1 ) &
526	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_qsr%cldes not currently allowed to be mixed oce-ice for multi-category ice' )
527	! ! ------------------------- !
528	! ! non solar sensitivity ! d(Qns)/d(T)
529	! ! ------------------------- !
530	srcv(jpr_dqnsdt)%clname = 'O_dQnsdT'
531	IF( TRIM( sn_rcv_dqnsdt%cldes ) == 'coupled' ) srcv(jpr_dqnsdt)%laction = .TRUE.
532	!
533	! non solar sensitivity mandatory for LIM ice model
534	IF( TRIM( sn_rcv_dqnsdt%cldes ) == 'none' .AND. k_ice /= 0 .AND. k_ice /= 4 .AND. nn_components /= jp_iam_sas ) &
535	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_dqnsdt%cldes must be coupled in namsbc_cpl namelist' )
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	! ! 10m wind module !
541	! ! ------------------------- !
542	srcv(jpr_w10m)%clname = 'O_Wind10' ; IF( TRIM(sn_rcv_w10m%cldes ) == 'coupled' ) srcv(jpr_w10m)%laction = .TRUE.
543	!
544	! ! ------------------------- !
545	! ! wind stress module !
546	! ! ------------------------- !
547	srcv(jpr_taum)%clname = 'O_TauMod' ; IF( TRIM(sn_rcv_taumod%cldes) == 'coupled' ) srcv(jpr_taum)%laction = .TRUE.
548	lhftau = srcv(jpr_taum)%laction
549
550	! ! ------------------------- !
551	! ! Atmospheric CO2 !
552	! ! ------------------------- !
553	srcv(jpr_co2 )%clname = 'O_AtmCO2' ; IF( TRIM(sn_rcv_co2%cldes ) == 'coupled' ) srcv(jpr_co2 )%laction = .TRUE.
554
555
556	! ! --------------------------------------- !
557	! ! Incoming CO2 and DUST fluxes for MEDUSA !
558	! ! --------------------------------------- !
559	srcv(jpr_atm_pco2)%clname = 'OATMPCO2'
560
561	IF (TRIM(sn_rcv_atm_pco2%cldes) == 'medusa') THEN
562	srcv(jpr_atm_pco2)%laction = .TRUE.
563	END IF
564
565	srcv(jpr_atm_dust)%clname = 'OATMDUST'
566	IF (TRIM(sn_rcv_atm_dust%cldes) == 'medusa') THEN
567	srcv(jpr_atm_dust)%laction = .TRUE.
568	END IF
569
570	! ! ------------------------- !
571	! ! topmelt and botmelt !
572	! ! ------------------------- !
573	srcv(jpr_topm )%clname = 'OTopMlt'
574	srcv(jpr_botm )%clname = 'OBotMlt'
575	IF( TRIM(sn_rcv_iceflx%cldes) == 'coupled' ) THEN
576	IF ( TRIM( sn_rcv_iceflx%clcat ) == 'yes' ) THEN
577	srcv(jpr_topm:jpr_botm)%nct = jpl
578	ELSE
579	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_iceflx%clcat should always be set to yes currently' )
580	ENDIF
581	srcv(jpr_topm:jpr_botm)%laction = .TRUE.
582	ENDIF
583
584	#if defined key_cice && ! defined key_cice4
585	! ! ----------------------------- !
586	! ! sea-ice skin temperature !
587	! ! used in meltpond scheme !
588	! ! May be calculated in Atm !
589	! ! ----------------------------- !
590	srcv(jpr_ts_ice)%clname = 'OTsfIce'
591	IF ( TRIM( sn_rcv_ts_ice%cldes ) == 'ice' ) srcv(jpr_ts_ice)%laction = .TRUE.
592	IF ( TRIM( sn_rcv_ts_ice%clcat ) == 'yes' ) srcv(jpr_ts_ice)%nct = jpl
593	!TODO: Should there be a consistency check here?
594	#endif
595
596	! ! ------------------------------- !
597	! ! OPA-SAS coupling - rcv by opa !
598	! ! ------------------------------- !
599	srcv(jpr_sflx)%clname = 'O_SFLX'
600	srcv(jpr_fice)%clname = 'RIceFrc'
601	!
602	IF( nn_components == jp_iam_opa ) THEN ! OPA coupled to SAS via OASIS: force received field by OPA (sent by SAS)
603	srcv(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
604	srcv(:)%clgrid = 'T' ! force default definition in case of opa <-> sas coupling
605	srcv(:)%nsgn = 1. ! force default definition in case of opa <-> sas coupling
606	srcv( (/jpr_qsroce, jpr_qnsoce, jpr_oemp, jpr_sflx, jpr_fice, jpr_otx1, jpr_oty1, jpr_taum/) )%laction = .TRUE.
607	srcv(jpr_otx1)%clgrid = 'U' ! oce components given at U-point
608	srcv(jpr_oty1)%clgrid = 'V' ! and V-point
609	! Vectors: change of sign at north fold ONLY if on the local grid
610	srcv( (/jpr_otx1,jpr_oty1/) )%nsgn = -1.
611	sn_rcv_tau%clvgrd = 'U,V'
612	sn_rcv_tau%clvor = 'local grid'
613	sn_rcv_tau%clvref = 'spherical'
614	sn_rcv_emp%cldes = 'oce only'
615	!
616	IF(lwp) THEN ! control print
617	WRITE(numout,*)
618	WRITE(numout,*)' Special conditions for SAS-OPA coupling '
619	WRITE(numout,*)' OPA component '
620	WRITE(numout,*)
621	WRITE(numout,*)' received fields from SAS component '
622	WRITE(numout,*)' ice cover '
623	WRITE(numout,*)' oce only EMP '
624	WRITE(numout,*)' salt flux '
625	WRITE(numout,*)' mixed oce-ice solar flux '
626	WRITE(numout,*)' mixed oce-ice non solar flux '
627	WRITE(numout,*)' wind stress U,V on local grid and sperical coordinates '
628	WRITE(numout,*)' wind stress module'
629	WRITE(numout,*)
630	ENDIF
631	ENDIF
632	! ! -------------------------------- !
633	! ! OPA-SAS coupling - rcv by sas !
634	! ! -------------------------------- !
635	srcv(jpr_toce )%clname = 'I_SSTSST'
636	srcv(jpr_soce )%clname = 'I_SSSal'
637	srcv(jpr_ocx1 )%clname = 'I_OCurx1'
638	srcv(jpr_ocy1 )%clname = 'I_OCury1'
639	srcv(jpr_ssh )%clname = 'I_SSHght'
640	srcv(jpr_e3t1st)%clname = 'I_E3T1st'
641	srcv(jpr_fraqsr)%clname = 'I_FraQsr'
642	!
643	IF( nn_components == jp_iam_sas ) THEN
644	IF( .NOT. ln_cpl ) srcv(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
645	IF( .NOT. ln_cpl ) srcv(:)%clgrid = 'T' ! force default definition in case of opa <-> sas coupling
646	IF( .NOT. ln_cpl ) srcv(:)%nsgn = 1. ! force default definition in case of opa <-> sas coupling
647	srcv( (/jpr_toce, jpr_soce, jpr_ssh, jpr_fraqsr, jpr_ocx1, jpr_ocy1/) )%laction = .TRUE.
648	srcv( jpr_e3t1st )%laction = lk_vvl
649	srcv(jpr_ocx1)%clgrid = 'U' ! oce components given at U-point
650	srcv(jpr_ocy1)%clgrid = 'V' ! and V-point
651	! Vectors: change of sign at north fold ONLY if on the local grid
652	srcv(jpr_ocx1:jpr_ocy1)%nsgn = -1.
653	! Change first letter to couple with atmosphere if already coupled OPA
654	! this is nedeed as each variable name used in the namcouple must be unique:
655	! for example O_Runoff received by OPA from SAS and therefore O_Runoff received by SAS from the Atmosphere
656	DO jn = 1, jprcv
657	IF ( srcv(jn)%clname(1:1) == "O" ) srcv(jn)%clname = "S"//srcv(jn)%clname(2:LEN(srcv(jn)%clname))
658	END DO
659	!
660	IF(lwp) THEN ! control print
661	WRITE(numout,*)
662	WRITE(numout,*)' Special conditions for SAS-OPA coupling '
663	WRITE(numout,*)' SAS component '
664	WRITE(numout,*)
665	IF( .NOT. ln_cpl ) THEN
666	WRITE(numout,*)' received fields from OPA component '
667	ELSE
668	WRITE(numout,*)' Additional received fields from OPA component : '
669	ENDIF
670	WRITE(numout,*)' sea surface temperature (Celcius) '
671	WRITE(numout,*)' sea surface salinity '
672	WRITE(numout,*)' surface currents '
673	WRITE(numout,*)' sea surface height '
674	WRITE(numout,*)' thickness of first ocean T level '
675	WRITE(numout,*)' fraction of solar net radiation absorbed in the first ocean level'
676	WRITE(numout,*)
677	ENDIF
678	ENDIF
679
680	! ================================ !
681	! Define the send interface !
682	! ================================ !
683	! for each field: define the OASIS name (ssnd(:)%clname)
684	! define send or not from the namelist parameters (ssnd(:)%laction)
685	! define the north fold type of lbc (ssnd(:)%nsgn)
686
687	! default definitions of nsnd
688	ssnd(:)%laction = .FALSE. ; ssnd(:)%clgrid = 'T' ; ssnd(:)%nsgn = 1. ; ssnd(:)%nct = 1 ; ssnd(:)%dimensions = 2
689
690	! ! ------------------------- !
691	! ! Surface temperature !
692	! ! ------------------------- !
693	ssnd(jps_toce)%clname = 'O_SSTSST'
694	ssnd(jps_tice)%clname = 'OTepIce'
695	ssnd(jps_tmix)%clname = 'O_TepMix'
696	SELECT CASE( TRIM( sn_snd_temp%cldes ) )
697	CASE( 'none' ) ! nothing to do
698	CASE( 'oce only' ) ; ssnd( jps_toce )%laction = .TRUE.
699	CASE( 'oce and ice' , 'weighted oce and ice' , 'oce and weighted ice')
700	ssnd( (/jps_toce, jps_tice/) )%laction = .TRUE.
701	IF ( TRIM( sn_snd_temp%clcat ) == 'yes' ) ssnd(jps_tice)%nct = jpl
702	CASE( 'mixed oce-ice' ) ; ssnd( jps_tmix )%laction = .TRUE.
703	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_temp%cldes' )
704	END SELECT
705
706	! ! ------------------------- !
707	! ! Albedo !
708	! ! ------------------------- !
709	ssnd(jps_albice)%clname = 'O_AlbIce'
710	ssnd(jps_albmix)%clname = 'O_AlbMix'
711	SELECT CASE( TRIM( sn_snd_alb%cldes ) )
712	CASE( 'none' ) ! nothing to do
713	CASE( 'ice' , 'weighted ice' ) ; ssnd(jps_albice)%laction = .TRUE.
714	CASE( 'mixed oce-ice' ) ; ssnd(jps_albmix)%laction = .TRUE.
715	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_alb%cldes' )
716	END SELECT
717	!
718	! Need to calculate oceanic albedo if
719	! 1. sending mixed oce-ice albedo or
720	! 2. receiving mixed oce-ice solar radiation
721	IF ( TRIM ( sn_snd_alb%cldes ) == 'mixed oce-ice' .OR. TRIM ( sn_rcv_qsr%cldes ) == 'mixed oce-ice' ) THEN
722	CALL albedo_oce( zaos, zacs )
723	! Due to lack of information on nebulosity : mean clear/overcast sky
724	albedo_oce_mix(:,:) = ( zacs(:,:) + zaos(:,:) ) * 0.5
725	ENDIF
726
727	! ! ------------------------- !
728	! ! Ice fraction & Thickness
729	! ! ------------------------- !
730	ssnd(jps_fice)%clname = 'OIceFrc'
731	ssnd(jps_hice)%clname = 'OIceTck'
732	ssnd(jps_hsnw)%clname = 'OSnwTck'
733	ssnd(jps_a_p)%clname = 'OPndFrc'
734	ssnd(jps_ht_p)%clname = 'OPndTck'
735	ssnd(jps_fice1)%clname = 'OIceFrd'
736	IF( k_ice /= 0 ) THEN
737	ssnd(jps_fice)%laction = .TRUE. ! if ice treated in the ocean (even in climato case)
738	ssnd(jps_fice1)%laction = .TRUE. ! First-order regridded ice concentration, to be used
739	! in producing atmos-to-ice fluxes
740	! Currently no namelist entry to determine sending of multi-category ice fraction so use the thickness entry for now
741	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) ssnd(jps_fice)%nct = jpl
742	IF ( TRIM( sn_snd_thick1%clcat ) == 'yes' ) ssnd(jps_fice1)%nct = jpl
743	ENDIF
744
745	SELECT CASE ( TRIM( sn_snd_thick%cldes ) )
746	CASE( 'none' ) ! nothing to do
747	CASE( 'ice and snow' )
748	ssnd(jps_hice:jps_hsnw)%laction = .TRUE.
749	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) THEN
750	ssnd(jps_hice:jps_hsnw)%nct = jpl
751	ENDIF
752	CASE ( 'weighted ice and snow' )
753	ssnd(jps_hice:jps_hsnw)%laction = .TRUE.
754	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) ssnd(jps_hice:jps_hsnw)%nct = jpl
755	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_thick%cldes' )
756	END SELECT
757
758	! ! ------------------------- !
759	! ! Ice Meltponds !
760	! ! ------------------------- !
761	#if defined key_cice && ! defined key_cice4
762	! Meltponds only CICE5
763	ssnd(jps_a_p)%clname = 'OPndFrc'
764	ssnd(jps_ht_p)%clname = 'OPndTck'
765	SELECT CASE ( TRIM( sn_snd_mpnd%cldes ) )
766	CASE ( 'none' )
767	ssnd(jps_a_p)%laction = .FALSE.
768	ssnd(jps_ht_p)%laction = .FALSE.
769	CASE ( 'ice only' )
770	ssnd(jps_a_p)%laction = .TRUE.
771	ssnd(jps_ht_p)%laction = .TRUE.
772	IF ( TRIM( sn_snd_mpnd%clcat ) == 'yes' ) THEN
773	ssnd(jps_a_p)%nct = jpl
774	ssnd(jps_ht_p)%nct = jpl
775	ELSE
776	IF ( jpl > 1 ) THEN
777	CALL ctl_stop( 'sbc_cpl_init: use weighted ice option for sn_snd_mpnd%cldes if not exchanging category fields' )
778	ENDIF
779	ENDIF
780	CASE ( 'weighted ice' )
781	ssnd(jps_a_p)%laction = .TRUE.
782	ssnd(jps_ht_p)%laction = .TRUE.
783	IF ( TRIM( sn_snd_mpnd%clcat ) == 'yes' ) THEN
784	ssnd(jps_a_p)%nct = jpl
785	ssnd(jps_ht_p)%nct = jpl
786	ENDIF
787	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_mpnd%cldes' )
788	END SELECT
789	#else
790	IF( TRIM( sn_snd_mpnd%cldes ) /= 'none' ) THEN
791	CALL ctl_stop('Meltponds can only be used with CICEv5')
792	ENDIF
793	#endif
794
795	! ! ------------------------- !
796	! ! Surface current !
797	! ! ------------------------- !
798	! ocean currents ! ice velocities
799	ssnd(jps_ocx1)%clname = 'O_OCurx1' ; ssnd(jps_ivx1)%clname = 'O_IVelx1'
800	ssnd(jps_ocy1)%clname = 'O_OCury1' ; ssnd(jps_ivy1)%clname = 'O_IVely1'
801	ssnd(jps_ocz1)%clname = 'O_OCurz1' ; ssnd(jps_ivz1)%clname = 'O_IVelz1'
802	!
803	ssnd(jps_ocx1:jps_ivz1)%nsgn = -1. ! vectors: change of the sign at the north fold
804
805	IF( sn_snd_crt%clvgrd == 'U,V' ) THEN
806	ssnd(jps_ocx1)%clgrid = 'U' ; ssnd(jps_ocy1)%clgrid = 'V'
807	ELSE IF( sn_snd_crt%clvgrd /= 'T' ) THEN
808	CALL ctl_stop( 'sn_snd_crt%clvgrd must be equal to T' )
809	ssnd(jps_ocx1:jps_ivz1)%clgrid = 'T' ! all oce and ice components on the same unique grid
810	ENDIF
811	ssnd(jps_ocx1:jps_ivz1)%laction = .TRUE. ! default: all are send
812	IF( TRIM( sn_snd_crt%clvref ) == 'spherical' ) ssnd( (/jps_ocz1, jps_ivz1/) )%laction = .FALSE.
813	IF( TRIM( sn_snd_crt%clvor ) == 'eastward-northward' ) ssnd(jps_ocx1:jps_ivz1)%nsgn = 1.
814	SELECT CASE( TRIM( sn_snd_crt%cldes ) )
815	CASE( 'none' ) ; ssnd(jps_ocx1:jps_ivz1)%laction = .FALSE.
816	CASE( 'oce only' ) ; ssnd(jps_ivx1:jps_ivz1)%laction = .FALSE.
817	CASE( 'weighted oce and ice' ) ! nothing to do
818	CASE( 'mixed oce-ice' ) ; ssnd(jps_ivx1:jps_ivz1)%laction = .FALSE.
819	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_crt%cldes' )
820	END SELECT
821
822	! ! ------------------------- !
823	! ! CO2 flux !
824	! ! ------------------------- !
825	ssnd(jps_co2)%clname = 'O_CO2FLX' ; IF( TRIM(sn_snd_co2%cldes) == 'coupled' ) ssnd(jps_co2 )%laction = .TRUE.
826	!
827
828	! ! ------------------------- !
829	! ! MEDUSA output fields !
830	! ! ------------------------- !
831	! Surface dimethyl sulphide from Medusa
832	ssnd(jps_bio_dms)%clname = 'OBioDMS'
833	IF( TRIM(sn_snd_bio_dms%cldes) == 'medusa' ) ssnd(jps_bio_dms )%laction = .TRUE.
834
835	! Surface CO2 flux from Medusa
836	ssnd(jps_bio_co2)%clname = 'OBioCO2'
837	IF( TRIM(sn_snd_bio_co2%cldes) == 'medusa' ) ssnd(jps_bio_co2 )%laction = .TRUE.
838
839	! Surface chlorophyll from Medusa
840	ssnd(jps_bio_chloro)%clname = 'OBioChlo'
841	IF( TRIM(sn_snd_bio_chloro%cldes) == 'medusa' ) ssnd(jps_bio_chloro )%laction = .TRUE.
842
843	! ! ------------------------- !
844	! ! Sea surface freezing temp !
845	! ! ------------------------- !
846	ssnd(jps_sstfrz)%clname = 'O_SSTFrz' ; IF( TRIM(sn_snd_sstfrz%cldes) == 'coupled' ) ssnd(jps_sstfrz)%laction = .TRUE.
847	!
848	! ! ------------------------- !
849	! ! Ice conductivity !
850	! ! ------------------------- !
851	! Note that ultimately we will move to passing an ocean effective conductivity as well so there
852	! will be some changes to the parts of the code which currently relate only to ice conductivity
853	ssnd(jps_kice )%clname = 'OIceKn'
854	SELECT CASE ( TRIM( sn_snd_cond%cldes ) )
855	CASE ( 'none' )
856	ssnd(jps_kice)%laction = .FALSE.
857	CASE ( 'ice only' )
858	ssnd(jps_kice)%laction = .TRUE.
859	IF ( TRIM( sn_snd_cond%clcat ) == 'yes' ) THEN
860	ssnd(jps_kice)%nct = jpl
861	ELSE
862	IF ( jpl > 1 ) THEN
863	CALL ctl_stop( 'sbc_cpl_init: use weighted ice option for sn_snd_cond%cldes if not exchanging category fields' )
864	ENDIF
865	ENDIF
866	CASE ( 'weighted ice' )
867	ssnd(jps_kice)%laction = .TRUE.
868	IF ( TRIM( sn_snd_cond%clcat ) == 'yes' ) ssnd(jps_kice)%nct = jpl
869	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_cond%cldes' )
870	END SELECT
871	!
872
873
874	! ! ------------------------------- !
875	! ! OPA-SAS coupling - snd by opa !
876	! ! ------------------------------- !
877	ssnd(jps_ssh )%clname = 'O_SSHght'
878	ssnd(jps_soce )%clname = 'O_SSSal'
879	ssnd(jps_e3t1st)%clname = 'O_E3T1st'
880	ssnd(jps_fraqsr)%clname = 'O_FraQsr'
881	!
882	IF( nn_components == jp_iam_opa ) THEN
883	ssnd(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
884	ssnd( (/jps_toce, jps_soce, jps_ssh, jps_fraqsr, jps_ocx1, jps_ocy1/) )%laction = .TRUE.
885	ssnd( jps_e3t1st )%laction = lk_vvl
886	! vector definition: not used but cleaner...
887	ssnd(jps_ocx1)%clgrid = 'U' ! oce components given at U-point
888	ssnd(jps_ocy1)%clgrid = 'V' ! and V-point
889	sn_snd_crt%clvgrd = 'U,V'
890	sn_snd_crt%clvor = 'local grid'
891	sn_snd_crt%clvref = 'spherical'
892	!
893	IF(lwp) THEN ! control print
894	WRITE(numout,*)
895	WRITE(numout,*)' sent fields to SAS component '
896	WRITE(numout,*)' sea surface temperature (T before, Celcius) '
897	WRITE(numout,*)' sea surface salinity '
898	WRITE(numout,*)' surface currents U,V on local grid and spherical coordinates'
899	WRITE(numout,*)' sea surface height '
900	WRITE(numout,*)' thickness of first ocean T level '
901	WRITE(numout,*)' fraction of solar net radiation absorbed in the first ocean level'
902	WRITE(numout,*)
903	ENDIF
904	ENDIF
905	! ! ------------------------------- !
906	! ! OPA-SAS coupling - snd by sas !
907	! ! ------------------------------- !
908	ssnd(jps_sflx )%clname = 'I_SFLX'
909	ssnd(jps_fice2 )%clname = 'IIceFrc'
910	ssnd(jps_qsroce)%clname = 'I_QsrOce'
911	ssnd(jps_qnsoce)%clname = 'I_QnsOce'
912	ssnd(jps_oemp )%clname = 'IOEvaMPr'
913	ssnd(jps_otx1 )%clname = 'I_OTaux1'
914	ssnd(jps_oty1 )%clname = 'I_OTauy1'
915	ssnd(jps_rnf )%clname = 'I_Runoff'
916	ssnd(jps_taum )%clname = 'I_TauMod'
917	!
918	IF( nn_components == jp_iam_sas ) THEN
919	IF( .NOT. ln_cpl ) ssnd(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
920	ssnd( (/jps_qsroce, jps_qnsoce, jps_oemp, jps_fice2, jps_sflx, jps_otx1, jps_oty1, jps_taum/) )%laction = .TRUE.
921	!
922	! Change first letter to couple with atmosphere if already coupled with sea_ice
923	! this is nedeed as each variable name used in the namcouple must be unique:
924	! for example O_SSTSST sent by OPA to SAS and therefore S_SSTSST sent by SAS to the Atmosphere
925	DO jn = 1, jpsnd
926	IF ( ssnd(jn)%clname(1:1) == "O" ) ssnd(jn)%clname = "S"//ssnd(jn)%clname(2:LEN(ssnd(jn)%clname))
927	END DO
928	!
929	IF(lwp) THEN ! control print
930	WRITE(numout,*)
931	IF( .NOT. ln_cpl ) THEN
932	WRITE(numout,*)' sent fields to OPA component '
933	ELSE
934	WRITE(numout,*)' Additional sent fields to OPA component : '
935	ENDIF
936	WRITE(numout,*)' ice cover '
937	WRITE(numout,*)' oce only EMP '
938	WRITE(numout,*)' salt flux '
939	WRITE(numout,*)' mixed oce-ice solar flux '
940	WRITE(numout,*)' mixed oce-ice non solar flux '
941	WRITE(numout,*)' wind stress U,V components'
942	WRITE(numout,*)' wind stress module'
943	ENDIF
944	ENDIF
945
946	! Initialise 1D river outflow scheme
947	nn_cpl_river = 1
948	IF ( TRIM( sn_rcv_rnf%cldes ) == 'coupled1d' ) CALL cpl_rnf_1d_init ! Coupled runoff using 1D array
949
950	! =================================================== !
951	! Allocate all parts of frcv used for received fields !
952	! =================================================== !
953	DO jn = 1, jprcv
954
955	IF ( srcv(jn)%laction ) THEN
956	SELECT CASE( srcv(jn)%dimensions )
957	!
958	CASE( 0 ) ! Scalar field
959	ALLOCATE( frcv(jn)%z3(1,1,1) )
960
961	CASE( 1 ) ! 1D field
962	ALLOCATE( frcv(jn)%z3(nn_cpl_river,1,1) )
963
964	CASE DEFAULT ! 2D (or pseudo 3D) field.
965	ALLOCATE( frcv(jn)%z3(jpi,jpj,srcv(jn)%nct) )
966
967	END SELECT
968	END IF
969
970	END DO
971	! Allocate taum part of frcv which is used even when not received as coupling field
972	IF ( .NOT. srcv(jpr_taum)%laction ) ALLOCATE( frcv(jpr_taum)%z3(jpi,jpj,srcv(jpr_taum)%nct) )
973	! Allocate w10m part of frcv which is used even when not received as coupling field
974	IF ( .NOT. srcv(jpr_w10m)%laction ) ALLOCATE( frcv(jpr_w10m)%z3(jpi,jpj,srcv(jpr_w10m)%nct) )
975	! Allocate jpr_otx1 part of frcv which is used even when not received as coupling field
976	IF ( .NOT. srcv(jpr_otx1)%laction ) ALLOCATE( frcv(jpr_otx1)%z3(jpi,jpj,srcv(jpr_otx1)%nct) )
977	IF ( .NOT. srcv(jpr_oty1)%laction ) ALLOCATE( frcv(jpr_oty1)%z3(jpi,jpj,srcv(jpr_oty1)%nct) )
978	! Allocate itx1 and ity1 as they are used in sbc_cpl_ice_tau even if srcv(jpr_itx1)%laction = .FALSE.
979	IF( k_ice /= 0 ) THEN
980	IF ( .NOT. srcv(jpr_itx1)%laction ) ALLOCATE( frcv(jpr_itx1)%z3(jpi,jpj,srcv(jpr_itx1)%nct) )
981	IF ( .NOT. srcv(jpr_ity1)%laction ) ALLOCATE( frcv(jpr_ity1)%z3(jpi,jpj,srcv(jpr_ity1)%nct) )
982	END IF
983
984	!
985	! ================================ !
986	! initialisation of the coupler !
987	! ================================ !
988
989	CALL cpl_define(jprcv, jpsnd, nn_cplmodel)
990
991	IF (ln_usecplmask) THEN
992	xcplmask(:,:,:) = 0.
993	CALL iom_open( 'cplmask', inum )
994	CALL iom_get( inum, jpdom_unknown, 'cplmask', xcplmask(1:nlci,1:nlcj,1:nn_cplmodel), &
995	& kstart = (/ mig(1),mjg(1),1 /), kcount = (/ nlci,nlcj,nn_cplmodel /) )
996	CALL iom_close( inum )
997	ELSE
998	xcplmask(:,:,:) = 1.
999	ENDIF
1000	xcplmask(:,:,0) = 1. - SUM( xcplmask(:,:,1:nn_cplmodel), dim = 3 )
1001	!
1002	ncpl_qsr_freq = cpl_freq( 'O_QsrOce' ) + cpl_freq( 'O_QsrMix' ) + cpl_freq( 'I_QsrOce' ) + cpl_freq( 'I_QsrMix' )
1003	IF( ln_dm2dc .AND. ln_cpl .AND. ncpl_qsr_freq /= 86400 ) &
1004	& CALL ctl_stop( 'sbc_cpl_init: diurnal cycle reconstruction (ln_dm2dc) needs daily couping for solar radiation' )
1005	ncpl_qsr_freq = 86400 / ncpl_qsr_freq
1006
1007	IF( nn_coupled_iceshelf_fluxes .gt. 0 ) THEN
1008	! Crude masks to separate the Antarctic and Greenland icesheets. Obviously something
1009	! more complicated could be done if required.
1010	greenland_icesheet_mask = 0.0
1011	WHERE( gphit >= 0.0 ) greenland_icesheet_mask = 1.0
1012	antarctica_icesheet_mask = 0.0
1013	WHERE( gphit < 0.0 ) antarctica_icesheet_mask = 1.0
1014
1015	! initialise other variables
1016	greenland_icesheet_mass_array(:,:) = 0.0
1017	antarctica_icesheet_mass_array(:,:) = 0.0
1018
1019	IF( .not. ln_rstart ) THEN
1020	greenland_icesheet_mass = 0.0
1021	greenland_icesheet_mass_rate_of_change = 0.0
1022	greenland_icesheet_timelapsed = 0.0
1023	antarctica_icesheet_mass = 0.0
1024	antarctica_icesheet_mass_rate_of_change = 0.0
1025	antarctica_icesheet_timelapsed = 0.0
1026	ENDIF
1027
1028	ENDIF
1029
1030	CALL wrk_dealloc( jpi,jpj, zacs, zaos )
1031	!
1032	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_init')
1033	!
1034	END SUBROUTINE sbc_cpl_init
1035
1036
1037	SUBROUTINE sbc_cpl_rcv( kt, k_fsbc, k_ice )
1038	!!----------------------------------------------------------------------
1039	!! * ROUTINE sbc_cpl_rcv *
1040	!!
1041	!! ** Purpose : provide the stress over the ocean and, if no sea-ice,
1042	!! provide the ocean heat and freshwater fluxes.
1043	!!
1044	!! ** Method : - Receive all the atmospheric fields (stored in frcv array). called at each time step.
1045	!! OASIS controls if there is something do receive or not. nrcvinfo contains the info
1046	!! to know if the field was really received or not
1047	!!
1048	!! --> If ocean stress was really received:
1049	!!
1050	!! - transform the received ocean stress vector from the received
1051	!! referential and grid into an atmosphere-ocean stress in
1052	!! the (i,j) ocean referencial and at the ocean velocity point.
1053	!! The received stress are :
1054	!! - defined by 3 components (if cartesian coordinate)
1055	!! or by 2 components (if spherical)
1056	!! - oriented along geographical coordinate (if eastward-northward)
1057	!! or along the local grid coordinate (if local grid)
1058	!! - given at U- and V-point, resp. if received on 2 grids
1059	!! or at T-point if received on 1 grid
1060	!! Therefore and if necessary, they are successively
1061	!! processed in order to obtain them
1062	!! first as 2 components on the sphere
1063	!! second as 2 components oriented along the local grid
1064	!! third as 2 components on the U,V grid
1065	!!
1066	!! -->
1067	!!
1068	!! - In 'ocean only' case, non solar and solar ocean heat fluxes
1069	!! and total ocean freshwater fluxes
1070	!!
1071	!! ** Method : receive all fields from the atmosphere and transform
1072	!! them into ocean surface boundary condition fields
1073	!!
1074	!! ** Action : update utau, vtau ocean stress at U,V grid
1075	!! taum wind stress module at T-point
1076	!! wndm wind speed module at T-point over free ocean or leads in presence of sea-ice
1077	!! qns non solar heat fluxes including emp heat content (ocean only case)
1078	!! and the latent heat flux of solid precip. melting
1079	!! qsr solar ocean heat fluxes (ocean only case)
1080	!! emp upward mass flux [evap. - precip. (- runoffs) (- calving)] (ocean only case)
1081	!!----------------------------------------------------------------------
1082	INTEGER, INTENT(in) :: kt ! ocean model time step index
1083	INTEGER, INTENT(in) :: k_fsbc ! frequency of sbc (-> ice model) computation
1084	INTEGER, INTENT(in) :: k_ice ! ice management in the sbc (=0/1/2/3)
1085
1086	!!
1087	LOGICAL :: llnewtx, llnewtau ! update wind stress components and module??
1088	INTEGER :: ji, jj, jl, jn ! dummy loop indices
1089	INTEGER :: isec ! number of seconds since nit000 (assuming rdttra did not change since nit000)
1090	INTEGER :: ikchoix
1091	REAL(wp) :: zcumulneg, zcumulpos ! temporary scalars
1092	REAL(wp) :: zgreenland_icesheet_mass_in, zantarctica_icesheet_mass_in
1093	REAL(wp) :: zgreenland_icesheet_mass_b, zantarctica_icesheet_mass_b
1094	REAL(wp) :: zmask_sum, zepsilon
1095	REAL(wp) :: zcoef ! temporary scalar
1096	REAL(wp) :: zrhoa = 1.22 ! Air density kg/m3
1097	REAL(wp) :: zcdrag = 1.5e-3 ! drag coefficient
1098	REAL(wp) :: zzx, zzy ! temporary variables
1099	REAL(wp), POINTER, DIMENSION(:,:) :: ztx, zty, zmsk, zemp, zqns, zqsr, ztx2, zty2
1100	!!----------------------------------------------------------------------
1101
1102	!
1103	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_rcv')
1104	!
1105	CALL wrk_alloc( jpi,jpj, ztx, zty, zmsk, zemp, zqns, zqsr, ztx2, zty2 )
1106	!
1107	IF( ln_mixcpl ) zmsk(:,:) = 1. - xcplmask(:,:,0)
1108	!
1109	! ! ======================================================= !
1110	! ! Receive all the atmos. fields (including ice information)
1111	! ! ======================================================= !
1112	isec = ( kt - nit000 ) * NINT( rdttra(1) ) ! date of exchanges
1113	DO jn = 1, jprcv ! received fields sent by the atmosphere
1114	IF( srcv(jn)%laction ) THEN
1115
1116	IF ( srcv(jn)%dimensions == 0 ) THEN
1117	CALL cpl_rcv_1d( jn, isec, frcv(jn)%z3, SIZE(frcv(jn)%z3), nrcvinfo(jn) )
1118	ELSE
1119	CALL cpl_rcv( jn, isec, frcv(jn)%z3, xcplmask(:,:,1:nn_cplmodel), nrcvinfo(jn) )
1120	END IF
1121
1122	END IF
1123	END DO
1124	! ! ========================= !
1125	IF( srcv(jpr_otx1)%laction ) THEN ! ocean stress components !
1126	! ! ========================= !
1127	! define frcv(jpr_otx1)%z3(:,:,1) and frcv(jpr_oty1)%z3(:,:,1): stress at U/V point along model grid
1128	! => need to be done only when we receive the field
1129	IF( nrcvinfo(jpr_otx1) == OASIS_Rcv ) THEN
1130	!
1131	IF( TRIM( sn_rcv_tau%clvref ) == 'cartesian' ) THEN ! 2 components on the sphere
1132	! ! (cartesian to spherical -> 3 to 2 components)
1133	!
1134	CALL geo2oce( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), frcv(jpr_otz1)%z3(:,:,1), &
1135	& srcv(jpr_otx1)%clgrid, ztx, zty )
1136	frcv(jpr_otx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 1st grid
1137	frcv(jpr_oty1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 1st grid
1138	!
1139	IF( srcv(jpr_otx2)%laction ) THEN
1140	CALL geo2oce( frcv(jpr_otx2)%z3(:,:,1), frcv(jpr_oty2)%z3(:,:,1), frcv(jpr_otz2)%z3(:,:,1), &
1141	& srcv(jpr_otx2)%clgrid, ztx, zty )
1142	frcv(jpr_otx2)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 2nd grid
1143	frcv(jpr_oty2)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 2nd grid
1144	ENDIF
1145	!
1146	ENDIF
1147	!
1148	IF( TRIM( sn_rcv_tau%clvor ) == 'eastward-northward' ) THEN ! 2 components oriented along the local grid
1149	! ! (geographical to local grid -> rotate the components)
1150	IF( srcv(jpr_otx1)%clgrid == 'U' .AND. (.NOT. srcv(jpr_otx2)%laction) ) THEN
1151	! Temporary code for HadGEM3 - will be removed eventually.
1152	! Only applies when we have only taux on U grid and tauy on V grid
1153	DO jj=2,jpjm1
1154	DO ji=2,jpim1
1155	ztx(ji,jj)=0.25*vmask(ji,jj,1) &
1156	*(frcv(jpr_otx1)%z3(ji,jj,1)+frcv(jpr_otx1)%z3(ji-1,jj,1) &
1157	+frcv(jpr_otx1)%z3(ji,jj+1,1)+frcv(jpr_otx1)%z3(ji-1,jj+1,1))
1158	zty(ji,jj)=0.25*umask(ji,jj,1) &
1159	*(frcv(jpr_oty1)%z3(ji,jj,1)+frcv(jpr_oty1)%z3(ji+1,jj,1) &
1160	+frcv(jpr_oty1)%z3(ji,jj-1,1)+frcv(jpr_oty1)%z3(ji+1,jj-1,1))
1161	ENDDO
1162	ENDDO
1163
1164	ikchoix = 1
1165	CALL repcmo (frcv(jpr_otx1)%z3(:,:,1),zty,ztx,frcv(jpr_oty1)%z3(:,:,1),ztx2,zty2,ikchoix)
1166	CALL lbc_lnk (ztx2,'U', -1. )
1167	CALL lbc_lnk (zty2,'V', -1. )
1168	frcv(jpr_otx1)%z3(:,:,1)=ztx2(:,:)
1169	frcv(jpr_oty1)%z3(:,:,1)=zty2(:,:)
1170	ELSE
1171	CALL rot_rep( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), srcv(jpr_otx1)%clgrid, 'en->i', ztx )
1172	frcv(jpr_otx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st component on the 1st grid
1173	IF( srcv(jpr_otx2)%laction ) THEN
1174	CALL rot_rep( frcv(jpr_otx2)%z3(:,:,1), frcv(jpr_oty2)%z3(:,:,1), srcv(jpr_otx2)%clgrid, 'en->j', zty )
1175	ELSE
1176	CALL rot_rep( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), srcv(jpr_otx1)%clgrid, 'en->j', zty )
1177	ENDIF
1178	frcv(jpr_oty1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd component on the 2nd grid
1179	ENDIF
1180	ENDIF
1181	!
1182	IF( srcv(jpr_otx1)%clgrid == 'T' ) THEN
1183	DO jj = 2, jpjm1 ! T ==> (U,V)
1184	DO ji = fs_2, fs_jpim1 ! vector opt.
1185	frcv(jpr_otx1)%z3(ji,jj,1) = 0.5 * ( frcv(jpr_otx1)%z3(ji+1,jj ,1) + frcv(jpr_otx1)%z3(ji,jj,1) )
1186	frcv(jpr_oty1)%z3(ji,jj,1) = 0.5 * ( frcv(jpr_oty1)%z3(ji ,jj+1,1) + frcv(jpr_oty1)%z3(ji,jj,1) )
1187	END DO
1188	END DO
1189	CALL lbc_lnk( frcv(jpr_otx1)%z3(:,:,1), 'U', -1. ) ; CALL lbc_lnk( frcv(jpr_oty1)%z3(:,:,1), 'V', -1. )
1190	ENDIF
1191	llnewtx = .TRUE.
1192	ELSE
1193	llnewtx = .FALSE.
1194	ENDIF
1195	! ! ========================= !
1196	ELSE ! No dynamical coupling !
1197	! ! ========================= !
1198	frcv(jpr_otx1)%z3(:,:,1) = 0.e0 ! here simply set to zero
1199	frcv(jpr_oty1)%z3(:,:,1) = 0.e0 ! an external read in a file can be added instead
1200	llnewtx = .TRUE.
1201	!
1202	ENDIF
1203	! ! ========================= !
1204	! ! wind stress module ! (taum)
1205	! ! ========================= !
1206	!
1207	IF( .NOT. srcv(jpr_taum)%laction ) THEN ! compute wind stress module from its components if not received
1208	! => need to be done only when otx1 was changed
1209	IF( llnewtx ) THEN
1210	!CDIR NOVERRCHK
1211	DO jj = 2, jpjm1
1212	!CDIR NOVERRCHK
1213	DO ji = fs_2, fs_jpim1 ! vect. opt.
1214	zzx = frcv(jpr_otx1)%z3(ji-1,jj ,1) + frcv(jpr_otx1)%z3(ji,jj,1)
1215	zzy = frcv(jpr_oty1)%z3(ji ,jj-1,1) + frcv(jpr_oty1)%z3(ji,jj,1)
1216	frcv(jpr_taum)%z3(ji,jj,1) = 0.5 * SQRT( zzx * zzx + zzy * zzy )
1217	END DO
1218	END DO
1219	CALL lbc_lnk( frcv(jpr_taum)%z3(:,:,1), 'T', 1. )
1220	llnewtau = .TRUE.
1221	ELSE
1222	llnewtau = .FALSE.
1223	ENDIF
1224	ELSE
1225	llnewtau = nrcvinfo(jpr_taum) == OASIS_Rcv
1226	! Stress module can be negative when received (interpolation problem)
1227	IF( llnewtau ) THEN
1228	frcv(jpr_taum)%z3(:,:,1) = MAX( 0._wp, frcv(jpr_taum)%z3(:,:,1) )
1229	ENDIF
1230	ENDIF
1231	!
1232	! ! ========================= !
1233	! ! 10 m wind speed ! (wndm)
1234	! ! ========================= !
1235	!
1236	IF( .NOT. srcv(jpr_w10m)%laction ) THEN ! compute wind spreed from wind stress module if not received
1237	! => need to be done only when taumod was changed
1238	IF( llnewtau ) THEN
1239	zcoef = 1. / ( zrhoa * zcdrag )
1240	!CDIR NOVERRCHK
1241	DO jj = 1, jpj
1242	!CDIR NOVERRCHK
1243	DO ji = 1, jpi
1244	frcv(jpr_w10m)%z3(ji,jj,1) = SQRT( frcv(jpr_taum)%z3(ji,jj,1) * zcoef )
1245	END DO
1246	END DO
1247	ENDIF
1248	ENDIF
1249
1250	! u(v)tau and taum will be modified by ice model
1251	! -> need to be reset before each call of the ice/fsbc
1252	IF( MOD( kt-1, k_fsbc ) == 0 ) THEN
1253	!
1254	IF( ln_mixcpl ) THEN
1255	utau(:,:) = utau(:,:) * xcplmask(:,:,0) + frcv(jpr_otx1)%z3(:,:,1) * zmsk(:,:)
1256	vtau(:,:) = vtau(:,:) * xcplmask(:,:,0) + frcv(jpr_oty1)%z3(:,:,1) * zmsk(:,:)
1257	taum(:,:) = taum(:,:) * xcplmask(:,:,0) + frcv(jpr_taum)%z3(:,:,1) * zmsk(:,:)
1258	wndm(:,:) = wndm(:,:) * xcplmask(:,:,0) + frcv(jpr_w10m)%z3(:,:,1) * zmsk(:,:)
1259	ELSE
1260	utau(:,:) = frcv(jpr_otx1)%z3(:,:,1)
1261	vtau(:,:) = frcv(jpr_oty1)%z3(:,:,1)
1262	taum(:,:) = frcv(jpr_taum)%z3(:,:,1)
1263	wndm(:,:) = frcv(jpr_w10m)%z3(:,:,1)
1264	ENDIF
1265	CALL iom_put( "taum_oce", taum ) ! output wind stress module
1266	!
1267	ENDIF
1268
1269	IF (ln_medusa) THEN
1270	IF( srcv(jpr_atm_pco2)%laction) PCO2a_in_cpl(:,:) = frcv(jpr_atm_pco2)%z3(:,:,1)
1271	IF( srcv(jpr_atm_dust)%laction) Dust_in_cpl(:,:) = frcv(jpr_atm_dust)%z3(:,:,1)
1272	ENDIF
1273
1274	#if defined key_cpl_carbon_cycle
1275	! ! ================== !
1276	! ! atmosph. CO2 (ppm) !
1277	! ! ================== !
1278	IF( srcv(jpr_co2)%laction ) atm_co2(:,:) = frcv(jpr_co2)%z3(:,:,1)
1279	#endif
1280
1281	#if defined key_cice && ! defined key_cice4
1282	! ! Sea ice surface skin temp:
1283	IF( srcv(jpr_ts_ice)%laction ) THEN
1284	DO jl = 1, jpl
1285	DO jj = 1, jpj
1286	DO ji = 1, jpi
1287	IF (frcv(jpr_ts_ice)%z3(ji,jj,jl) > 0.0) THEN
1288	tsfc_ice(ji,jj,jl) = 0.0
1289	ELSE IF (frcv(jpr_ts_ice)%z3(ji,jj,jl) < -60.0) THEN
1290	tsfc_ice(ji,jj,jl) = -60.0
1291	ELSE
1292	tsfc_ice(ji,jj,jl) = frcv(jpr_ts_ice)%z3(ji,jj,jl)
1293	ENDIF
1294	END DO
1295	END DO
1296	END DO
1297	ENDIF
1298	#endif
1299
1300	! Fields received by SAS when OASIS coupling
1301	! (arrays no more filled at sbcssm stage)
1302	! ! ================== !
1303	! ! SSS !
1304	! ! ================== !
1305	IF( srcv(jpr_soce)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1306	sss_m(:,:) = frcv(jpr_soce)%z3(:,:,1)
1307	CALL iom_put( 'sss_m', sss_m )
1308	ENDIF
1309	!
1310	! ! ================== !
1311	! ! SST !
1312	! ! ================== !
1313	IF( srcv(jpr_toce)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1314	sst_m(:,:) = frcv(jpr_toce)%z3(:,:,1)
1315	IF( srcv(jpr_soce)%laction .AND. ln_useCT ) THEN ! make sure that sst_m is the potential temperature
1316	sst_m(:,:) = eos_pt_from_ct( sst_m(:,:), sss_m(:,:) )
1317	ENDIF
1318	ENDIF
1319	! ! ================== !
1320	! ! SSH !
1321	! ! ================== !
1322	IF( srcv(jpr_ssh )%laction ) THEN ! received by sas in case of opa <-> sas coupling
1323	ssh_m(:,:) = frcv(jpr_ssh )%z3(:,:,1)
1324	CALL iom_put( 'ssh_m', ssh_m )
1325	ENDIF
1326	! ! ================== !
1327	! ! surface currents !
1328	! ! ================== !
1329	IF( srcv(jpr_ocx1)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1330	ssu_m(:,:) = frcv(jpr_ocx1)%z3(:,:,1)
1331	ub (:,:,1) = ssu_m(:,:) ! will be used in sbcice_lim in the call of lim_sbc_tau
1332	un (:,:,1) = ssu_m(:,:) ! will be used in sbc_cpl_snd if atmosphere coupling
1333	CALL iom_put( 'ssu_m', ssu_m )
1334	ENDIF
1335	IF( srcv(jpr_ocy1)%laction ) THEN
1336	ssv_m(:,:) = frcv(jpr_ocy1)%z3(:,:,1)
1337	vb (:,:,1) = ssv_m(:,:) ! will be used in sbcice_lim in the call of lim_sbc_tau
1338	vn (:,:,1) = ssv_m(:,:) ! will be used in sbc_cpl_snd if atmosphere coupling
1339	CALL iom_put( 'ssv_m', ssv_m )
1340	ENDIF
1341	! ! ======================== !
1342	! ! first T level thickness !
1343	! ! ======================== !
1344	IF( srcv(jpr_e3t1st )%laction ) THEN ! received by sas in case of opa <-> sas coupling
1345	e3t_m(:,:) = frcv(jpr_e3t1st )%z3(:,:,1)
1346	CALL iom_put( 'e3t_m', e3t_m(:,:) )
1347	ENDIF
1348	! ! ================================ !
1349	! ! fraction of solar net radiation !
1350	! ! ================================ !
1351	IF( srcv(jpr_fraqsr)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1352	frq_m(:,:) = frcv(jpr_fraqsr)%z3(:,:,1)
1353	CALL iom_put( 'frq_m', frq_m )
1354	ENDIF
1355
1356	! ! ========================= !
1357	IF( k_ice <= 1 .AND. MOD( kt-1, k_fsbc ) == 0 ) THEN ! heat & freshwater fluxes ! (Ocean only case)
1358	! ! ========================= !
1359	!
1360	! ! total freshwater fluxes over the ocean (emp)
1361	IF( srcv(jpr_oemp)%laction .OR. srcv(jpr_rain)%laction ) THEN
1362	SELECT CASE( TRIM( sn_rcv_emp%cldes ) ) ! evaporation - precipitation
1363	CASE( 'conservative' )
1364	zemp(:,:) = frcv(jpr_tevp)%z3(:,:,1) - ( frcv(jpr_rain)%z3(:,:,1) + frcv(jpr_snow)%z3(:,:,1) )
1365	CASE( 'oce only', 'oce and ice' )
1366	zemp(:,:) = frcv(jpr_oemp)%z3(:,:,1)
1367	CASE default
1368	CALL ctl_stop( 'sbc_cpl_rcv: wrong definition of sn_rcv_emp%cldes' )
1369	END SELECT
1370	ELSE
1371	zemp(:,:) = 0._wp
1372	ENDIF
1373	!
1374	! ! runoffs and calving (added in emp)
1375	IF( srcv(jpr_rnf)%laction ) rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1376	IF( srcv(jpr_cal)%laction ) zemp(:,:) = zemp(:,:) - frcv(jpr_cal)%z3(:,:,1)
1377
1378	IF( ln_mixcpl ) THEN ; emp(:,:) = emp(:,:) * xcplmask(:,:,0) + zemp(:,:) * zmsk(:,:)
1379	ELSE ; emp(:,:) = zemp(:,:)
1380	ENDIF
1381	!
1382	! ! non solar heat flux over the ocean (qns)
1383	IF( srcv(jpr_qnsoce)%laction ) THEN ; zqns(:,:) = frcv(jpr_qnsoce)%z3(:,:,1)
1384	ELSE IF( srcv(jpr_qnsmix)%laction ) THEN ; zqns(:,:) = frcv(jpr_qnsmix)%z3(:,:,1)
1385	ELSE ; zqns(:,:) = 0._wp
1386	END IF
1387	! update qns over the free ocean with:
1388	IF( nn_components /= jp_iam_opa ) THEN
1389	zqns(:,:) = zqns(:,:) - zemp(:,:) * sst_m(:,:) * rcp ! remove heat content due to mass flux (assumed to be at SST)
1390	IF( srcv(jpr_snow )%laction ) THEN
1391	zqns(:,:) = zqns(:,:) - frcv(jpr_snow)%z3(:,:,1) * lfus ! energy for melting solid precipitation over the free ocean
1392	ENDIF
1393	ENDIF
1394	IF( ln_mixcpl ) THEN ; qns(:,:) = qns(:,:) * xcplmask(:,:,0) + zqns(:,:) * zmsk(:,:)
1395	ELSE ; qns(:,:) = zqns(:,:)
1396	ENDIF
1397
1398	! ! solar flux over the ocean (qsr)
1399	IF ( srcv(jpr_qsroce)%laction ) THEN ; zqsr(:,:) = frcv(jpr_qsroce)%z3(:,:,1)
1400	ELSE IF( srcv(jpr_qsrmix)%laction ) then ; zqsr(:,:) = frcv(jpr_qsrmix)%z3(:,:,1)
1401	ELSE ; zqsr(:,:) = 0._wp
1402	ENDIF
1403	IF( ln_dm2dc .AND. ln_cpl ) zqsr(:,:) = sbc_dcy( zqsr ) ! modify qsr to include the diurnal cycle
1404	IF( ln_mixcpl ) THEN ; qsr(:,:) = qsr(:,:) * xcplmask(:,:,0) + zqsr(:,:) * zmsk(:,:)
1405	ELSE ; qsr(:,:) = zqsr(:,:)
1406	ENDIF
1407	!
1408	! salt flux over the ocean (received by opa in case of opa <-> sas coupling)
1409	IF( srcv(jpr_sflx )%laction ) sfx(:,:) = frcv(jpr_sflx )%z3(:,:,1)
1410	! Ice cover (received by opa in case of opa <-> sas coupling)
1411	IF( srcv(jpr_fice )%laction ) fr_i(:,:) = frcv(jpr_fice )%z3(:,:,1)
1412	!
1413
1414	ENDIF
1415
1416	! ! land ice masses : Greenland
1417	zepsilon = rn_iceshelf_fluxes_tolerance
1418
1419
1420	! See if we need zmask_sum...
1421	IF ( srcv(jpr_grnm)%laction .OR. srcv(jpr_antm)%laction ) THEN
1422	zmask_sum = glob_sum( tmask(:,:,1) )
1423	ENDIF
1424
1425	IF( srcv(jpr_grnm)%laction .AND. nn_coupled_iceshelf_fluxes == 1 ) THEN
1426	! This is a zero dimensional, single value field.
1427	zgreenland_icesheet_mass_in = frcv(jpr_grnm)%z3(1,1,1)
1428
1429	greenland_icesheet_timelapsed = greenland_icesheet_timelapsed + rdt
1430
1431	IF( ln_iceshelf_init_atmos .AND. kt == 1 ) THEN
1432	! On the first timestep (of an NRUN) force the ocean to ignore the icesheet masses in the ocean restart
1433	! and take them from the atmosphere to avoid problems with using inconsistent ocean and atmosphere restarts.
1434	zgreenland_icesheet_mass_b = zgreenland_icesheet_mass_in
1435	greenland_icesheet_mass = zgreenland_icesheet_mass_in
1436	ENDIF
1437
1438	IF( ABS( zgreenland_icesheet_mass_in - greenland_icesheet_mass ) > zepsilon ) THEN
1439	zgreenland_icesheet_mass_b = greenland_icesheet_mass
1440
1441	! Only update the mass if it has increased.
1442	IF ( (zgreenland_icesheet_mass_in - greenland_icesheet_mass) > 0.0 ) THEN
1443	greenland_icesheet_mass = zgreenland_icesheet_mass_in
1444	ENDIF
1445
1446	IF( zgreenland_icesheet_mass_b /= 0.0 ) &
1447	& greenland_icesheet_mass_rate_of_change = ( greenland_icesheet_mass - zgreenland_icesheet_mass_b ) / greenland_icesheet_timelapsed
1448	greenland_icesheet_timelapsed = 0.0_wp
1449	ENDIF
1450	IF(lwp) WRITE(numout,*) 'Greenland icesheet mass (kg) read in is ', zgreenland_icesheet_mass_in
1451	IF(lwp) WRITE(numout,*) 'Greenland icesheet mass (kg) used is ', greenland_icesheet_mass
1452	IF(lwp) WRITE(numout,*) 'Greenland icesheet mass rate of change (kg/s) is ', greenland_icesheet_mass_rate_of_change
1453	IF(lwp) WRITE(numout,*) 'Greenland icesheet seconds lapsed since last change is ', greenland_icesheet_timelapsed
1454	ELSE IF ( nn_coupled_iceshelf_fluxes == 2 ) THEN
1455	greenland_icesheet_mass_rate_of_change = rn_greenland_total_fw_flux
1456	ENDIF
1457
1458	! ! land ice masses : Antarctica
1459	IF( srcv(jpr_antm)%laction .AND. nn_coupled_iceshelf_fluxes == 1 ) THEN
1460	! This is a zero dimensional, single value field.
1461	zantarctica_icesheet_mass_in = frcv(jpr_antm)%z3(1,1,1)
1462
1463	antarctica_icesheet_timelapsed = antarctica_icesheet_timelapsed + rdt
1464
1465	IF( ln_iceshelf_init_atmos .AND. kt == 1 ) THEN
1466	! On the first timestep (of an NRUN) force the ocean to ignore the icesheet masses in the ocean restart
1467	! and take them from the atmosphere to avoid problems with using inconsistent ocean and atmosphere restarts.
1468	zantarctica_icesheet_mass_b = zantarctica_icesheet_mass_in
1469	antarctica_icesheet_mass = zantarctica_icesheet_mass_in
1470	ENDIF
1471
1472	IF( ABS( zantarctica_icesheet_mass_in - antarctica_icesheet_mass ) > zepsilon ) THEN
1473	zantarctica_icesheet_mass_b = antarctica_icesheet_mass
1474
1475	! Only update the mass if it has increased.
1476	IF ( (zantarctica_icesheet_mass_in - antarctica_icesheet_mass) > 0.0 ) THEN
1477	antarctica_icesheet_mass = zantarctica_icesheet_mass_in
1478	END IF
1479
1480	IF( zantarctica_icesheet_mass_b /= 0.0 ) &
1481	& antarctica_icesheet_mass_rate_of_change = ( antarctica_icesheet_mass - zantarctica_icesheet_mass_b ) / antarctica_icesheet_timelapsed
1482	antarctica_icesheet_timelapsed = 0.0_wp
1483	ENDIF
1484	IF(lwp) WRITE(numout,*) 'Antarctica icesheet mass (kg) read in is ', zantarctica_icesheet_mass_in
1485	IF(lwp) WRITE(numout,*) 'Antarctica icesheet mass (kg) used is ', antarctica_icesheet_mass
1486	IF(lwp) WRITE(numout,*) 'Antarctica icesheet mass rate of change (kg/s) is ', antarctica_icesheet_mass_rate_of_change
1487	IF(lwp) WRITE(numout,*) 'Antarctica icesheet seconds lapsed since last change is ', antarctica_icesheet_timelapsed
1488	ELSE IF ( nn_coupled_iceshelf_fluxes == 2 ) THEN
1489	antarctica_icesheet_mass_rate_of_change = rn_antarctica_total_fw_flux
1490	ENDIF
1491
1492	!
1493	CALL wrk_dealloc( jpi,jpj, ztx, zty, zmsk, zemp, zqns, zqsr, ztx2, zty2 )
1494	!
1495	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_rcv')
1496	!
1497	END SUBROUTINE sbc_cpl_rcv
1498
1499
1500	SUBROUTINE sbc_cpl_ice_tau( p_taui, p_tauj )
1501	!!----------------------------------------------------------------------
1502	!! * ROUTINE sbc_cpl_ice_tau *
1503	!!
1504	!! ** Purpose : provide the stress over sea-ice in coupled mode
1505	!!
1506	!! ** Method : transform the received stress from the atmosphere into
1507	!! an atmosphere-ice stress in the (i,j) ocean referencial
1508	!! and at the velocity point of the sea-ice model (cp_ice_msh):
1509	!! 'C'-grid : i- (j-) components given at U- (V-) point
1510	!! 'I'-grid : B-grid lower-left corner: both components given at I-point
1511	!!
1512	!! The received stress are :
1513	!! - defined by 3 components (if cartesian coordinate)
1514	!! or by 2 components (if spherical)
1515	!! - oriented along geographical coordinate (if eastward-northward)
1516	!! or along the local grid coordinate (if local grid)
1517	!! - given at U- and V-point, resp. if received on 2 grids
1518	!! or at a same point (T or I) if received on 1 grid
1519	!! Therefore and if necessary, they are successively
1520	!! processed in order to obtain them
1521	!! first as 2 components on the sphere
1522	!! second as 2 components oriented along the local grid
1523	!! third as 2 components on the cp_ice_msh point
1524	!!
1525	!! Except in 'oce and ice' case, only one vector stress field
1526	!! is received. It has already been processed in sbc_cpl_rcv
1527	!! so that it is now defined as (i,j) components given at U-
1528	!! and V-points, respectively. Therefore, only the third
1529	!! transformation is done and only if the ice-grid is a 'I'-grid.
1530	!!
1531	!! ** Action : return ptau_i, ptau_j, the stress over the ice at cp_ice_msh point
1532	!!----------------------------------------------------------------------
1533	REAL(wp), INTENT(out), DIMENSION(:,:) :: p_taui ! i- & j-components of atmos-ice stress [N/m2]
1534	REAL(wp), INTENT(out), DIMENSION(:,:) :: p_tauj ! at I-point (B-grid) or U & V-point (C-grid)
1535	!!
1536	INTEGER :: ji, jj ! dummy loop indices
1537	INTEGER :: itx ! index of taux over ice
1538	REAL(wp), POINTER, DIMENSION(:,:) :: ztx, zty
1539	!!----------------------------------------------------------------------
1540	!
1541	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_ice_tau')
1542	!
1543	CALL wrk_alloc( jpi,jpj, ztx, zty )
1544
1545	IF( srcv(jpr_itx1)%laction ) THEN ; itx = jpr_itx1
1546	ELSE ; itx = jpr_otx1
1547	ENDIF
1548
1549	! do something only if we just received the stress from atmosphere
1550	IF( nrcvinfo(itx) == OASIS_Rcv ) THEN
1551
1552	! ! ======================= !
1553	IF( srcv(jpr_itx1)%laction ) THEN ! ice stress received !
1554	! ! ======================= !
1555	!
1556	IF( TRIM( sn_rcv_tau%clvref ) == 'cartesian' ) THEN ! 2 components on the sphere
1557	! ! (cartesian to spherical -> 3 to 2 components)
1558	CALL geo2oce( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), frcv(jpr_itz1)%z3(:,:,1), &
1559	& srcv(jpr_itx1)%clgrid, ztx, zty )
1560	frcv(jpr_itx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 1st grid
1561	frcv(jpr_ity1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 1st grid
1562	!
1563	IF( srcv(jpr_itx2)%laction ) THEN
1564	CALL geo2oce( frcv(jpr_itx2)%z3(:,:,1), frcv(jpr_ity2)%z3(:,:,1), frcv(jpr_itz2)%z3(:,:,1), &
1565	& srcv(jpr_itx2)%clgrid, ztx, zty )
1566	frcv(jpr_itx2)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 2nd grid
1567	frcv(jpr_ity2)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 2nd grid
1568	ENDIF
1569	!
1570	ENDIF
1571	!
1572	IF( TRIM( sn_rcv_tau%clvor ) == 'eastward-northward' ) THEN ! 2 components oriented along the local grid
1573	! ! (geographical to local grid -> rotate the components)
1574	CALL rot_rep( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), srcv(jpr_itx1)%clgrid, 'en->i', ztx )
1575	IF( srcv(jpr_itx2)%laction ) THEN
1576	CALL rot_rep( frcv(jpr_itx2)%z3(:,:,1), frcv(jpr_ity2)%z3(:,:,1), srcv(jpr_itx2)%clgrid, 'en->j', zty )
1577	ELSE
1578	CALL rot_rep( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), srcv(jpr_itx1)%clgrid, 'en->j', zty )
1579	ENDIF
1580	frcv(jpr_itx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st component on the 1st grid
1581	frcv(jpr_ity1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd component on the 1st grid
1582	ENDIF
1583	! ! ======================= !
1584	ELSE ! use ocean stress !
1585	! ! ======================= !
1586	frcv(jpr_itx1)%z3(:,:,1) = frcv(jpr_otx1)%z3(:,:,1)
1587	frcv(jpr_ity1)%z3(:,:,1) = frcv(jpr_oty1)%z3(:,:,1)
1588	!
1589	ENDIF
1590	! ! ======================= !
1591	! ! put on ice grid !
1592	! ! ======================= !
1593	!
1594	! j+1 j -----V---F
1595	! ice stress on ice velocity point (cp_ice_msh) ! \|
1596	! (C-grid ==>(U,V) or B-grid ==> I or F) j \| T U
1597	! \| \|
1598	! j j-1 -I-------\|
1599	! (for I) \| \|
1600	! i-1 i i
1601	! i i+1 (for I)
1602	SELECT CASE ( cp_ice_msh )
1603	!
1604	CASE( 'I' ) ! B-grid ==> I
1605	SELECT CASE ( srcv(jpr_itx1)%clgrid )
1606	CASE( 'U' )
1607	DO jj = 2, jpjm1 ! (U,V) ==> I
1608	DO ji = 2, jpim1 ! NO vector opt.
1609	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji-1,jj ,1) + frcv(jpr_itx1)%z3(ji-1,jj-1,1) )
1610	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji ,jj-1,1) + frcv(jpr_ity1)%z3(ji-1,jj-1,1) )
1611	END DO
1612	END DO
1613	CASE( 'F' )
1614	DO jj = 2, jpjm1 ! F ==> I
1615	DO ji = 2, jpim1 ! NO vector opt.
1616	p_taui(ji,jj) = frcv(jpr_itx1)%z3(ji-1,jj-1,1)
1617	p_tauj(ji,jj) = frcv(jpr_ity1)%z3(ji-1,jj-1,1)
1618	END DO
1619	END DO
1620	CASE( 'T' )
1621	DO jj = 2, jpjm1 ! T ==> I
1622	DO ji = 2, jpim1 ! NO vector opt.
1623	p_taui(ji,jj) = 0.25 * ( frcv(jpr_itx1)%z3(ji,jj ,1) + frcv(jpr_itx1)%z3(ji-1,jj ,1) &
1624	& + frcv(jpr_itx1)%z3(ji,jj-1,1) + frcv(jpr_itx1)%z3(ji-1,jj-1,1) )
1625	p_tauj(ji,jj) = 0.25 * ( frcv(jpr_ity1)%z3(ji,jj ,1) + frcv(jpr_ity1)%z3(ji-1,jj ,1) &
1626	& + frcv(jpr_oty1)%z3(ji,jj-1,1) + frcv(jpr_ity1)%z3(ji-1,jj-1,1) )
1627	END DO
1628	END DO
1629	CASE( 'I' )
1630	p_taui(:,:) = frcv(jpr_itx1)%z3(:,:,1) ! I ==> I
1631	p_tauj(:,:) = frcv(jpr_ity1)%z3(:,:,1)
1632	END SELECT
1633	IF( srcv(jpr_itx1)%clgrid /= 'I' ) THEN
1634	CALL lbc_lnk( p_taui, 'I', -1. ) ; CALL lbc_lnk( p_tauj, 'I', -1. )
1635	ENDIF
1636	!
1637	CASE( 'F' ) ! B-grid ==> F
1638	SELECT CASE ( srcv(jpr_itx1)%clgrid )
1639	CASE( 'U' )
1640	DO jj = 2, jpjm1 ! (U,V) ==> F
1641	DO ji = fs_2, fs_jpim1 ! vector opt.
1642	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji,jj,1) + frcv(jpr_itx1)%z3(ji ,jj+1,1) )
1643	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji,jj,1) + frcv(jpr_ity1)%z3(ji+1,jj ,1) )
1644	END DO
1645	END DO
1646	CASE( 'I' )
1647	DO jj = 2, jpjm1 ! I ==> F
1648	DO ji = 2, jpim1 ! NO vector opt.
1649	p_taui(ji,jj) = frcv(jpr_itx1)%z3(ji+1,jj+1,1)
1650	p_tauj(ji,jj) = frcv(jpr_ity1)%z3(ji+1,jj+1,1)
1651	END DO
1652	END DO
1653	CASE( 'T' )
1654	DO jj = 2, jpjm1 ! T ==> F
1655	DO ji = 2, jpim1 ! NO vector opt.
1656	p_taui(ji,jj) = 0.25 * ( frcv(jpr_itx1)%z3(ji,jj ,1) + frcv(jpr_itx1)%z3(ji+1,jj ,1) &
1657	& + frcv(jpr_itx1)%z3(ji,jj+1,1) + frcv(jpr_itx1)%z3(ji+1,jj+1,1) )
1658	p_tauj(ji,jj) = 0.25 * ( frcv(jpr_ity1)%z3(ji,jj ,1) + frcv(jpr_ity1)%z3(ji+1,jj ,1) &
1659	& + frcv(jpr_ity1)%z3(ji,jj+1,1) + frcv(jpr_ity1)%z3(ji+1,jj+1,1) )
1660	END DO
1661	END DO
1662	CASE( 'F' )
1663	p_taui(:,:) = frcv(jpr_itx1)%z3(:,:,1) ! F ==> F
1664	p_tauj(:,:) = frcv(jpr_ity1)%z3(:,:,1)
1665	END SELECT
1666	IF( srcv(jpr_itx1)%clgrid /= 'F' ) THEN
1667	CALL lbc_lnk( p_taui, 'F', -1. ) ; CALL lbc_lnk( p_tauj, 'F', -1. )
1668	ENDIF
1669	!
1670	CASE( 'C' ) ! C-grid ==> U,V
1671	SELECT CASE ( srcv(jpr_itx1)%clgrid )
1672	CASE( 'U' )
1673	p_taui(:,:) = frcv(jpr_itx1)%z3(:,:,1) ! (U,V) ==> (U,V)
1674	p_tauj(:,:) = frcv(jpr_ity1)%z3(:,:,1)
1675	CASE( 'F' )
1676	DO jj = 2, jpjm1 ! F ==> (U,V)
1677	DO ji = fs_2, fs_jpim1 ! vector opt.
1678	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji,jj,1) + frcv(jpr_itx1)%z3(ji ,jj-1,1) )
1679	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(jj,jj,1) + frcv(jpr_ity1)%z3(ji-1,jj ,1) )
1680	END DO
1681	END DO
1682	CASE( 'T' )
1683	DO jj = 2, jpjm1 ! T ==> (U,V)
1684	DO ji = fs_2, fs_jpim1 ! vector opt.
1685	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji+1,jj ,1) + frcv(jpr_itx1)%z3(ji,jj,1) )
1686	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji ,jj+1,1) + frcv(jpr_ity1)%z3(ji,jj,1) )
1687	END DO
1688	END DO
1689	CASE( 'I' )
1690	DO jj = 2, jpjm1 ! I ==> (U,V)
1691	DO ji = 2, jpim1 ! NO vector opt.
1692	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji+1,jj+1,1) + frcv(jpr_itx1)%z3(ji+1,jj ,1) )
1693	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji+1,jj+1,1) + frcv(jpr_ity1)%z3(ji ,jj+1,1) )
1694	END DO
1695	END DO
1696	END SELECT
1697	IF( srcv(jpr_itx1)%clgrid /= 'U' ) THEN
1698	CALL lbc_lnk( p_taui, 'U', -1. ) ; CALL lbc_lnk( p_tauj, 'V', -1. )
1699	ENDIF
1700	END SELECT
1701
1702	ENDIF
1703	!
1704	CALL wrk_dealloc( jpi,jpj, ztx, zty )
1705	!
1706	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_ice_tau')
1707	!
1708	END SUBROUTINE sbc_cpl_ice_tau
1709
1710
1711	SUBROUTINE sbc_cpl_ice_flx( p_frld, palbi, psst, pist )
1712	!!----------------------------------------------------------------------
1713	!! * ROUTINE sbc_cpl_ice_flx *
1714	!!
1715	!! ** Purpose : provide the heat and freshwater fluxes of the ocean-ice system
1716	!!
1717	!! ** Method : transform the fields received from the atmosphere into
1718	!! surface heat and fresh water boundary condition for the
1719	!! ice-ocean system. The following fields are provided:
1720	!! * total non solar, solar and freshwater fluxes (qns_tot,
1721	!! qsr_tot and emp_tot) (total means weighted ice-ocean flux)
1722	!! NB: emp_tot include runoffs and calving.
1723	!! * fluxes over ice (qns_ice, qsr_ice, emp_ice) where
1724	!! emp_ice = sublimation - solid precipitation as liquid
1725	!! precipitation are re-routed directly to the ocean and
1726	!! calving directly enter the ocean (runoffs are read but included in trasbc.F90)
1727	!! * solid precipitation (sprecip), used to add to qns_tot
1728	!! the heat lost associated to melting solid precipitation
1729	!! over the ocean fraction.
1730	!! * heat content of rain, snow and evap can also be provided,
1731	!! otherwise heat flux associated with these mass flux are
1732	!! guessed (qemp_oce, qemp_ice)
1733	!!
1734	!! - the fluxes have been separated from the stress as
1735	!! (a) they are updated at each ice time step compare to
1736	!! an update at each coupled time step for the stress, and
1737	!! (b) the conservative computation of the fluxes over the
1738	!! sea-ice area requires the knowledge of the ice fraction
1739	!! after the ice advection and before the ice thermodynamics,
1740	!! so that the stress is updated before the ice dynamics
1741	!! while the fluxes are updated after it.
1742	!!
1743	!! ** Details
1744	!! qns_tot = pfrld * qns_oce + ( 1 - pfrld ) * qns_ice => provided
1745	!! + qemp_oce + qemp_ice => recalculated and added up to qns
1746	!!
1747	!! qsr_tot = pfrld * qsr_oce + ( 1 - pfrld ) * qsr_ice => provided
1748	!!
1749	!! emp_tot = emp_oce + emp_ice => calving is provided and added to emp_tot (and emp_oce)
1750	!! river runoff (rnf) is provided but not included here
1751	!!
1752	!! ** Action : update at each nf_ice time step:
1753	!! qns_tot, qsr_tot non-solar and solar total heat fluxes
1754	!! qns_ice, qsr_ice non-solar and solar heat fluxes over the ice
1755	!! emp_tot total evaporation - precipitation(liquid and solid) (-calving)
1756	!! emp_ice ice sublimation - solid precipitation over the ice
1757	!! dqns_ice d(non-solar heat flux)/d(Temperature) over the ice
1758	!! sprecip solid precipitation over the ocean
1759	!!----------------------------------------------------------------------
1760	REAL(wp), INTENT(in ), DIMENSION(:,:) :: p_frld ! lead fraction [0 to 1]
1761	! optional arguments, used only in 'mixed oce-ice' case
1762	REAL(wp), INTENT(in ), DIMENSION(:,:,:), OPTIONAL :: palbi ! all skies ice albedo
1763	REAL(wp), INTENT(in ), DIMENSION(:,: ), OPTIONAL :: psst ! sea surface temperature [Celsius]
1764	REAL(wp), INTENT(in ), DIMENSION(:,:,:), OPTIONAL :: pist ! ice surface temperature [Kelvin]
1765	!
1766	INTEGER :: jl ! dummy loop index
1767	REAL(wp), POINTER, DIMENSION(:,: ) :: zcptn, ztmp, zicefr, zmsk, zsnw
1768	REAL(wp), POINTER, DIMENSION(:,: ) :: zemp_tot, zemp_ice, zemp_oce, ztprecip, zsprecip, zevap_oce, zevap_ice, zdevap_ice
1769	REAL(wp), POINTER, DIMENSION(:,: ) :: zqns_tot, zqns_oce, zqsr_tot, zqsr_oce, zqprec_ice, zqemp_oce, zqemp_ice
1770	REAL(wp), POINTER, DIMENSION(:,:,:) :: zqns_ice, zqsr_ice, zdqns_ice, zqevap_ice
1771	!!----------------------------------------------------------------------
1772	!
1773	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_ice_flx')
1774	!
1775	CALL wrk_alloc( jpi,jpj, zcptn, ztmp, zicefr, zmsk, zsnw )
1776	CALL wrk_alloc( jpi,jpj, zemp_tot, zemp_ice, zemp_oce, ztprecip, zsprecip, zevap_oce, zevap_ice, zdevap_ice )
1777	CALL wrk_alloc( jpi,jpj, zqns_tot, zqns_oce, zqsr_tot, zqsr_oce, zqprec_ice, zqemp_oce, zqemp_ice )
1778	CALL wrk_alloc( jpi,jpj,jpl, zqns_ice, zqsr_ice, zdqns_ice, zqevap_ice )
1779
1780	IF( ln_mixcpl ) zmsk(:,:) = 1. - xcplmask(:,:,0)
1781	zicefr(:,:) = 1.- p_frld(:,:)
1782	zcptn(:,:) = rcp * sst_m(:,:)
1783	!
1784	! ! ========================= !
1785	! ! freshwater budget ! (emp_tot)
1786	! ! ========================= !
1787	!
1788	! ! solid Precipitation (sprecip)
1789	! ! liquid + solid Precipitation (tprecip)
1790	! ! total Evaporation - total Precipitation (emp_tot)
1791	! ! sublimation - solid precipitation (cell average) (emp_ice)
1792	SELECT CASE( TRIM( sn_rcv_emp%cldes ) )
1793	CASE( 'conservative' ) ! received fields: jpr_rain, jpr_snow, jpr_ievp, jpr_tevp
1794	zsprecip(:,:) = frcv(jpr_snow)%z3(:,:,1) ! May need to ensure positive here
1795	ztprecip(:,:) = frcv(jpr_rain)%z3(:,:,1) + zsprecip(:,:) ! May need to ensure positive here
1796	zemp_tot(:,:) = frcv(jpr_tevp)%z3(:,:,1) - ztprecip(:,:)
1797	#if defined key_cice
1798	IF ( TRIM(sn_rcv_emp%clcat) == 'yes' ) THEN
1799	! zemp_ice is the sum of frcv(jpr_ievp)%z3(:,:,1) over all layers - snow
1800	zemp_ice(:,:) = - frcv(jpr_snow)%z3(:,:,1)
1801	DO jl=1,jpl
1802	zemp_ice(:,: ) = zemp_ice(:,:) + frcv(jpr_ievp)%z3(:,:,jl)
1803	ENDDO
1804	! latent heat coupled for each category in CICE
1805	qla_ice(:,:,1:jpl) = - frcv(jpr_ievp)%z3(:,:,1:jpl) * lsub
1806	ELSE
1807	! If CICE has multicategories it still expects coupling fields for
1808	! each even if we treat as a single field
1809	! The latent heat flux is split between the ice categories according
1810	! to the fraction of the ice in each category
1811	zemp_ice(:,:) = frcv(jpr_ievp)%z3(:,:,1) - frcv(jpr_snow)%z3(:,:,1)
1812	WHERE ( zicefr(:,:) /= 0._wp )
1813	ztmp(:,:) = 1./zicefr(:,:)
1814	ELSEWHERE
1815	ztmp(:,:) = 0.e0
1816	END WHERE
1817	DO jl=1,jpl
1818	qla_ice(:,:,jl) = - a_i(:,:,jl) * ztmp(:,:) * frcv(jpr_ievp)%z3(:,:,1) * lsub
1819	END DO
1820	WHERE ( zicefr(:,:) == 0._wp ) qla_ice(:,:,1) = -frcv(jpr_ievp)%z3(:,:,1) * lsub
1821	ENDIF
1822	#else
1823	zemp_ice(:,:) = ( frcv(jpr_ievp)%z3(:,:,1) - frcv(jpr_snow)%z3(:,:,1) ) * zicefr(:,:)
1824	#endif
1825	CALL iom_put( 'rain' , frcv(jpr_rain)%z3(:,:,1) * tmask(:,:,1) ) ! liquid precipitation
1826	CALL iom_put( 'rain_ao_cea' , frcv(jpr_rain)%z3(:,:,1)* p_frld(:,:) * tmask(:,:,1) ) ! liquid precipitation
1827	IF( iom_use('hflx_rain_cea') ) &
1828	& CALL iom_put( 'hflx_rain_cea', frcv(jpr_rain)%z3(:,:,1) * zcptn(:,:) * tmask(:,:,1)) ! heat flux from liq. precip.
1829	IF( iom_use('hflx_prec_cea') ) &
1830	& CALL iom_put( 'hflx_prec_cea', ztprecip * zcptn(:,:) * tmask(:,:,1) * p_frld(:,:) ) ! heat content flux from all precip (cell avg)
1831	IF( iom_use('evap_ao_cea') .OR. iom_use('hflx_evap_cea') ) &
1832	& ztmp(:,:) = frcv(jpr_tevp)%z3(:,:,1) - frcv(jpr_ievp)%z3(:,:,1) * zicefr(:,:)
1833	IF( iom_use('evap_ao_cea' ) ) &
1834	& CALL iom_put( 'evap_ao_cea' , ztmp * tmask(:,:,1) ) ! ice-free oce evap (cell average)
1835	IF( iom_use('hflx_evap_cea') ) &
1836	& CALL iom_put( 'hflx_evap_cea', ztmp(:,:) * zcptn(:,:) * tmask(:,:,1) ) ! heat flux from from evap (cell average)
1837	CASE( 'oce and ice' ) ! received fields: jpr_sbpr, jpr_semp, jpr_oemp, jpr_ievp
1838	zemp_tot(:,:) = p_frld(:,:) * frcv(jpr_oemp)%z3(:,:,1) + zicefr(:,:) * frcv(jpr_sbpr)%z3(:,:,1)
1839	zemp_ice(:,:) = frcv(jpr_semp)%z3(:,:,1) * zicefr(:,:)
1840	zsprecip(:,:) = frcv(jpr_ievp)%z3(:,:,1) - frcv(jpr_semp)%z3(:,:,1)
1841	ztprecip(:,:) = frcv(jpr_semp)%z3(:,:,1) - frcv(jpr_sbpr)%z3(:,:,1) + zsprecip(:,:)
1842	END SELECT
1843
1844	#if defined key_lim3
1845	! zsnw = snow fraction over ice after wind blowing
1846	zsnw(:,:) = 0._wp ; CALL lim_thd_snwblow( p_frld, zsnw )
1847
1848	! --- evaporation minus precipitation corrected (because of wind blowing on snow) --- !
1849	zemp_ice(:,:) = zemp_ice(:,:) + zsprecip(:,:) * ( zicefr(:,:) - zsnw(:,:) ) ! emp_ice = A * sublimation - zsnw * sprecip
1850	zemp_oce(:,:) = zemp_tot(:,:) - zemp_ice(:,:) ! emp_oce = emp_tot - emp_ice
1851
1852	! --- evaporation over ocean (used later for qemp) --- !
1853	zevap_oce(:,:) = frcv(jpr_tevp)%z3(:,:,1) - frcv(jpr_ievp)%z3(:,:,1) * zicefr(:,:)
1854
1855	! --- evaporation over ice (kg/m2/s) --- !
1856	zevap_ice(:,:) = frcv(jpr_ievp)%z3(:,:,1)
1857	! since the sensitivity of evap to temperature (devap/dT) is not prescribed by the atmosphere, we set it to 0
1858	! therefore, sublimation is not redistributed over the ice categories in case no subgrid scale fluxes are provided by atm.
1859	zdevap_ice(:,:) = 0._wp
1860
1861	! --- runoffs (included in emp later on) --- !
1862	IF( srcv(jpr_rnf)%laction ) rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1863	IF( srcv(jpr_rnf_1d)%laction ) CALL cpl_rnf_1d_to_2d(frcv(jpr_rnf_1d)%z3(:,:,:))
1864
1865	! --- calving (put in emp_tot and emp_oce) --- !
1866	IF( srcv(jpr_cal)%laction ) THEN
1867	zemp_tot(:,:) = zemp_tot(:,:) - frcv(jpr_cal)%z3(:,:,1)
1868	zemp_oce(:,:) = zemp_oce(:,:) - frcv(jpr_cal)%z3(:,:,1)
1869	CALL iom_put( 'calving_cea', frcv(jpr_cal)%z3(:,:,1) )
1870	ENDIF
1871
1872	IF( ln_mixcpl ) THEN
1873	emp_tot(:,:) = emp_tot(:,:) * xcplmask(:,:,0) + zemp_tot(:,:) * zmsk(:,:)
1874	emp_ice(:,:) = emp_ice(:,:) * xcplmask(:,:,0) + zemp_ice(:,:) * zmsk(:,:)
1875	emp_oce(:,:) = emp_oce(:,:) * xcplmask(:,:,0) + zemp_oce(:,:) * zmsk(:,:)
1876	sprecip(:,:) = sprecip(:,:) * xcplmask(:,:,0) + zsprecip(:,:) * zmsk(:,:)
1877	tprecip(:,:) = tprecip(:,:) * xcplmask(:,:,0) + ztprecip(:,:) * zmsk(:,:)
1878	DO jl=1,jpl
1879	evap_ice (:,:,jl) = evap_ice (:,:,jl) * xcplmask(:,:,0) + zevap_ice (:,:) * zmsk(:,:)
1880	devap_ice(:,:,jl) = devap_ice(:,:,jl) * xcplmask(:,:,0) + zdevap_ice(:,:) * zmsk(:,:)
1881	ENDDO
1882	ELSE
1883	emp_tot(:,:) = zemp_tot(:,:)
1884	emp_ice(:,:) = zemp_ice(:,:)
1885	emp_oce(:,:) = zemp_oce(:,:)
1886	sprecip(:,:) = zsprecip(:,:)
1887	tprecip(:,:) = ztprecip(:,:)
1888	DO jl=1,jpl
1889	evap_ice (:,:,jl) = zevap_ice (:,:)
1890	devap_ice(:,:,jl) = zdevap_ice(:,:)
1891	ENDDO
1892	ENDIF
1893
1894	IF( iom_use('subl_ai_cea') ) CALL iom_put( 'subl_ai_cea', zevap_ice(:,:) * zicefr(:,:) ) ! Sublimation over sea-ice (cell average)
1895	CALL iom_put( 'snowpre' , sprecip(:,:) ) ! Snow
1896	IF( iom_use('snow_ao_cea') ) CALL iom_put( 'snow_ao_cea', sprecip(:,:) * ( 1._wp - zsnw(:,:) ) ) ! Snow over ice-free ocean (cell average)
1897	IF( iom_use('snow_ai_cea') ) CALL iom_put( 'snow_ai_cea', sprecip(:,:) * zsnw(:,:) ) ! Snow over sea-ice (cell average)
1898	#else
1899	! runoffs and calving (put in emp_tot)
1900	IF( srcv(jpr_rnf)%laction ) rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1901	IF( srcv(jpr_rnf_1d)%laction ) CALL cpl_rnf_1d_to_2d(frcv(jpr_rnf_1d)%z3(:,:,:))
1902	IF( iom_use('hflx_rnf_cea') ) &
1903	CALL iom_put( 'hflx_rnf_cea' , rnf(:,:) * zcptn(:,:) )
1904	IF( srcv(jpr_cal)%laction ) THEN
1905	zemp_tot(:,:) = zemp_tot(:,:) - frcv(jpr_cal)%z3(:,:,1)
1906	CALL iom_put( 'calving_cea', frcv(jpr_cal)%z3(:,:,1) )
1907	ENDIF
1908
1909	IF( ln_mixcpl ) THEN
1910	emp_tot(:,:) = emp_tot(:,:) * xcplmask(:,:,0) + zemp_tot(:,:) * zmsk(:,:)
1911	emp_ice(:,:) = emp_ice(:,:) * xcplmask(:,:,0) + zemp_ice(:,:) * zmsk(:,:)
1912	sprecip(:,:) = sprecip(:,:) * xcplmask(:,:,0) + zsprecip(:,:) * zmsk(:,:)
1913	tprecip(:,:) = tprecip(:,:) * xcplmask(:,:,0) + ztprecip(:,:) * zmsk(:,:)
1914	ELSE
1915	emp_tot(:,:) = zemp_tot(:,:)
1916	emp_ice(:,:) = zemp_ice(:,:)
1917	sprecip(:,:) = zsprecip(:,:)
1918	tprecip(:,:) = ztprecip(:,:)
1919	ENDIF
1920
1921	IF( iom_use('subl_ai_cea') ) CALL iom_put( 'subl_ai_cea', frcv(jpr_ievp)%z3(:,:,1) * zicefr(:,:) ) ! Sublimation over sea-ice (cell average)
1922	CALL iom_put( 'snowpre' , sprecip(:,:) ) ! Snow
1923	IF( iom_use('snow_ao_cea') ) CALL iom_put( 'snow_ao_cea', sprecip(:,:) * p_frld(:,:) ) ! Snow over ice-free ocean (cell average)
1924	IF( iom_use('snow_ai_cea') ) CALL iom_put( 'snow_ai_cea', sprecip(:,:) * zicefr(:,:) ) ! Snow over sea-ice (cell average)
1925	#endif
1926
1927	! ! ========================= !
1928	SELECT CASE( TRIM( sn_rcv_qns%cldes ) ) ! non solar heat fluxes ! (qns)
1929	! ! ========================= !
1930	CASE( 'oce only' ) ! the required field is directly provided
1931	zqns_tot(:,:) = frcv(jpr_qnsoce)%z3(:,:,1)
1932	CASE( 'conservative' ) ! the required fields are directly provided
1933	zqns_tot(:,:) = frcv(jpr_qnsmix)%z3(:,:,1)
1934	IF ( TRIM(sn_rcv_qns%clcat) == 'yes' ) THEN
1935	zqns_ice(:,:,1:jpl) = frcv(jpr_qnsice)%z3(:,:,1:jpl)
1936	ELSE
1937	DO jl=1,jpl
1938	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,1) ! Set all category values equal
1939	ENDDO
1940	ENDIF
1941	CASE( 'oce and ice' ) ! the total flux is computed from ocean and ice fluxes
1942	zqns_tot(:,:) = p_frld(:,:) * frcv(jpr_qnsoce)%z3(:,:,1)
1943	IF ( TRIM(sn_rcv_qns%clcat) == 'yes' ) THEN
1944	DO jl=1,jpl
1945	zqns_tot(:,: ) = zqns_tot(:,:) + a_i(:,:,jl) * frcv(jpr_qnsice)%z3(:,:,jl)
1946	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,jl)
1947	ENDDO
1948	ELSE
1949	qns_tot(:,:) = qns_tot(:,:) + zicefr(:,:) * frcv(jpr_qnsice)%z3(:,:,1)
1950	DO jl=1,jpl
1951	zqns_tot(:,: ) = zqns_tot(:,:) + zicefr(:,:) * frcv(jpr_qnsice)%z3(:,:,1)
1952	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,1)
1953	ENDDO
1954	ENDIF
1955	CASE( 'mixed oce-ice' ) ! the ice flux is cumputed from the total flux, the SST and ice informations
1956	! NEED TO SORT OUT HOW THIS SHOULD WORK IN THE MULTI-CATEGORY CASE - CURRENTLY NOT ALLOWED WHEN INTERFACE INITIALISED
1957	zqns_tot(:,: ) = frcv(jpr_qnsmix)%z3(:,:,1)
1958	zqns_ice(:,:,1) = frcv(jpr_qnsmix)%z3(:,:,1) &
1959	& + frcv(jpr_dqnsdt)%z3(:,:,1) * ( pist(:,:,1) - ( (rt0 + psst(:,: ) ) * p_frld(:,:) &
1960	& + pist(:,:,1) * zicefr(:,:) ) )
1961	END SELECT
1962	!!gm
1963	!! currently it is taken into account in leads budget but not in the zqns_tot, and thus not in
1964	!! the flux that enter the ocean....
1965	!! moreover 1 - it is not diagnose anywhere....
1966	!! 2 - it is unclear for me whether this heat lost is taken into account in the atmosphere or not...
1967	!!
1968	!! similar job should be done for snow and precipitation temperature
1969	!
1970	IF( srcv(jpr_cal)%laction ) THEN ! Iceberg melting
1971	zqns_tot(:,:) = zqns_tot(:,:) - frcv(jpr_cal)%z3(:,:,1) * lfus ! add the latent heat of iceberg melting
1972	! we suppose it melts at 0deg, though it should be temp. of surrounding ocean
1973	IF( iom_use('hflx_cal_cea') ) CALL iom_put( 'hflx_cal_cea', - frcv(jpr_cal)%z3(:,:,1) * lfus ) ! heat flux from calving
1974	ENDIF
1975
1976	#if defined key_lim3
1977	! --- non solar flux over ocean --- !
1978	! note: p_frld cannot be = 0 since we limit the ice concentration to amax
1979	zqns_oce = 0._wp
1980	WHERE( p_frld /= 0._wp ) zqns_oce(:,:) = ( zqns_tot(:,:) - SUM( a_i * zqns_ice, dim=3 ) ) / p_frld(:,:)
1981
1982	! --- heat flux associated with emp (W/m2) --- !
1983	zqemp_oce(:,:) = - zevap_oce(:,:) * zcptn(:,:) & ! evap
1984	& + ( ztprecip(:,:) - zsprecip(:,:) ) * zcptn(:,:) & ! liquid precip
1985	& + zsprecip(:,:) * ( 1._wp - zsnw ) * ( zcptn(:,:) - lfus ) ! solid precip over ocean + snow melting
1986	! zqemp_ice(:,:) = - frcv(jpr_ievp)%z3(:,:,1) * zicefr(:,:) * zcptn(:,:) & ! ice evap
1987	! & + zsprecip(:,:) * zsnw * ( zcptn(:,:) - lfus ) ! solid precip over ice
1988	zqemp_ice(:,:) = zsprecip(:,:) * zsnw * ( zcptn(:,:) - lfus ) ! solid precip over ice (only)
1989	! qevap_ice=0 since we consider Tice=0degC
1990
1991	! --- enthalpy of snow precip over ice in J/m3 (to be used in 1D-thermo) --- !
1992	zqprec_ice(:,:) = rhosn * ( zcptn(:,:) - lfus )
1993
1994	! --- heat content of evap over ice in W/m2 (to be used in 1D-thermo) --- !
1995	DO jl = 1, jpl
1996	zqevap_ice(:,:,jl) = 0._wp ! should be -evap * ( ( Tice - rt0 ) * cpic ) but we do not have Tice, so we consider Tice=0degC
1997	END DO
1998
1999	! --- total non solar flux (including evap/precip) --- !
2000	zqns_tot(:,:) = zqns_tot(:,:) + zqemp_ice(:,:) + zqemp_oce(:,:)
2001
2002	! --- in case both coupled/forced are active, we must mix values --- !
2003	IF( ln_mixcpl ) THEN
2004	qns_tot(:,:) = qns_tot(:,:) * xcplmask(:,:,0) + zqns_tot(:,:)* zmsk(:,:)
2005	qns_oce(:,:) = qns_oce(:,:) * xcplmask(:,:,0) + zqns_oce(:,:)* zmsk(:,:)
2006	DO jl=1,jpl
2007	qns_ice (:,:,jl) = qns_ice (:,:,jl) * xcplmask(:,:,0) + zqns_ice (:,:,jl)* zmsk(:,:)
2008	qevap_ice(:,:,jl) = qevap_ice(:,:,jl) * xcplmask(:,:,0) + zqevap_ice(:,:,jl)* zmsk(:,:)
2009	ENDDO
2010	qprec_ice(:,:) = qprec_ice(:,:) * xcplmask(:,:,0) + zqprec_ice(:,:)* zmsk(:,:)
2011	qemp_oce (:,:) = qemp_oce(:,:) * xcplmask(:,:,0) + zqemp_oce(:,:)* zmsk(:,:)
2012	qemp_ice (:,:) = qemp_ice(:,:) * xcplmask(:,:,0) + zqemp_ice(:,:)* zmsk(:,:)
2013	ELSE
2014	qns_tot (:,: ) = zqns_tot (:,: )
2015	qns_oce (:,: ) = zqns_oce (:,: )
2016	qns_ice (:,:,:) = zqns_ice (:,:,:)
2017	qevap_ice(:,:,:) = zqevap_ice(:,:,:)
2018	qprec_ice(:,: ) = zqprec_ice(:,: )
2019	qemp_oce (:,: ) = zqemp_oce (:,: )
2020	qemp_ice (:,: ) = zqemp_ice (:,: )
2021	ENDIF
2022
2023	!! clem: we should output qemp_oce and qemp_ice (at least)
2024	IF( iom_use('hflx_snow_cea') ) CALL iom_put( 'hflx_snow_cea', sprecip(:,:) * ( zcptn(:,:) - Lfus ) ) ! heat flux from snow (cell average)
2025	!! these diags are not outputed yet
2026	!! IF( iom_use('hflx_rain_cea') ) CALL iom_put( 'hflx_rain_cea', ( tprecip(:,:) - sprecip(:,:) ) * zcptn(:,:) ) ! heat flux from rain (cell average)
2027	!! IF( iom_use('hflx_snow_ao_cea') ) CALL iom_put( 'hflx_snow_ao_cea', sprecip(:,:) * ( zcptn(:,:) - Lfus ) * (1._wp - zsnw(:,:)) ) ! heat flux from snow (cell average)
2028	!! IF( iom_use('hflx_snow_ai_cea') ) CALL iom_put( 'hflx_snow_ai_cea', sprecip(:,:) * ( zcptn(:,:) - Lfus ) * zsnw(:,:) ) ! heat flux from snow (cell average)
2029
2030	#else
2031	! clem: this formulation is certainly wrong... but better than it was...
2032
2033	zqns_tot(:,:) = zqns_tot(:,:) & ! zqns_tot update over free ocean with:
2034	& - (p_frld(:,:) * zsprecip(:,:) * lfus) & ! remove the latent heat flux of solid precip. melting
2035	& - ( zemp_tot(:,:) & ! remove the heat content of mass flux (assumed to be at SST)
2036	& - zemp_ice(:,:) ) * zcptn(:,:)
2037
2038	IF( ln_mixcpl ) THEN
2039	qns_tot(:,:) = qns(:,:) * p_frld(:,:) + SUM( qns_ice(:,:,:) * a_i(:,:,:), dim=3 ) ! total flux from blk
2040	qns_tot(:,:) = qns_tot(:,:) * xcplmask(:,:,0) + zqns_tot(:,:)* zmsk(:,:)
2041	DO jl=1,jpl
2042	qns_ice(:,:,jl) = qns_ice(:,:,jl) * xcplmask(:,:,0) + zqns_ice(:,:,jl)* zmsk(:,:)
2043	ENDDO
2044	ELSE
2045	qns_tot(:,: ) = zqns_tot(:,: )
2046	qns_ice(:,:,:) = zqns_ice(:,:,:)
2047	ENDIF
2048	#endif
2049
2050	! ! ========================= !
2051	SELECT CASE( TRIM( sn_rcv_qsr%cldes ) ) ! solar heat fluxes ! (qsr)
2052	! ! ========================= !
2053	CASE( 'oce only' )
2054	zqsr_tot(:,: ) = MAX( 0._wp , frcv(jpr_qsroce)%z3(:,:,1) )
2055	CASE( 'conservative' )
2056	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
2057	IF ( TRIM(sn_rcv_qsr%clcat) == 'yes' ) THEN
2058	zqsr_ice(:,:,1:jpl) = frcv(jpr_qsrice)%z3(:,:,1:jpl)
2059	ELSE
2060	! Set all category values equal for the moment
2061	DO jl=1,jpl
2062	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,1)
2063	ENDDO
2064	ENDIF
2065	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
2066	zqsr_ice(:,:,1) = frcv(jpr_qsrice)%z3(:,:,1)
2067	CASE( 'oce and ice' )
2068	zqsr_tot(:,: ) = p_frld(:,:) * frcv(jpr_qsroce)%z3(:,:,1)
2069	IF ( TRIM(sn_rcv_qsr%clcat) == 'yes' ) THEN
2070	DO jl=1,jpl
2071	zqsr_tot(:,: ) = zqsr_tot(:,:) + a_i(:,:,jl) * frcv(jpr_qsrice)%z3(:,:,jl)
2072	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,jl)
2073	ENDDO
2074	ELSE
2075	qsr_tot(:,: ) = qsr_tot(:,:) + zicefr(:,:) * frcv(jpr_qsrice)%z3(:,:,1)
2076	DO jl=1,jpl
2077	zqsr_tot(:,: ) = zqsr_tot(:,:) + zicefr(:,:) * frcv(jpr_qsrice)%z3(:,:,1)
2078	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,1)
2079	ENDDO
2080	ENDIF
2081	CASE( 'mixed oce-ice' )
2082	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
2083	! NEED TO SORT OUT HOW THIS SHOULD WORK IN THE MULTI-CATEGORY CASE - CURRENTLY NOT ALLOWED WHEN INTERFACE INITIALISED
2084	! Create solar heat flux over ice using incoming solar heat flux and albedos
2085	! ( see OASIS3 user guide, 5th edition, p39 )
2086	zqsr_ice(:,:,1) = frcv(jpr_qsrmix)%z3(:,:,1) * ( 1.- palbi(:,:,1) ) &
2087	& / ( 1.- ( albedo_oce_mix(:,: ) * p_frld(:,:) &
2088	& + palbi (:,:,1) * zicefr(:,:) ) )
2089	END SELECT
2090	IF( ln_dm2dc .AND. ln_cpl ) THEN ! modify qsr to include the diurnal cycle
2091	zqsr_tot(:,: ) = sbc_dcy( zqsr_tot(:,: ) )
2092	DO jl=1,jpl
2093	zqsr_ice(:,:,jl) = sbc_dcy( zqsr_ice(:,:,jl) )
2094	ENDDO
2095	ENDIF
2096
2097	#if defined key_lim3
2098	! --- solar flux over ocean --- !
2099	! note: p_frld cannot be = 0 since we limit the ice concentration to amax
2100	zqsr_oce = 0._wp
2101	WHERE( p_frld /= 0._wp ) zqsr_oce(:,:) = ( zqsr_tot(:,:) - SUM( a_i * zqsr_ice, dim=3 ) ) / p_frld(:,:)
2102
2103	IF( ln_mixcpl ) THEN ; qsr_oce(:,:) = qsr_oce(:,:) * xcplmask(:,:,0) + zqsr_oce(:,:)* zmsk(:,:)
2104	ELSE ; qsr_oce(:,:) = zqsr_oce(:,:) ; ENDIF
2105	#endif
2106
2107	IF( ln_mixcpl ) THEN
2108	qsr_tot(:,:) = qsr(:,:) * p_frld(:,:) + SUM( qsr_ice(:,:,:) * a_i(:,:,:), dim=3 ) ! total flux from blk
2109	qsr_tot(:,:) = qsr_tot(:,:) * xcplmask(:,:,0) + zqsr_tot(:,:)* zmsk(:,:)
2110	DO jl=1,jpl
2111	qsr_ice(:,:,jl) = qsr_ice(:,:,jl) * xcplmask(:,:,0) + zqsr_ice(:,:,jl)* zmsk(:,:)
2112	ENDDO
2113	ELSE
2114	qsr_tot(:,: ) = zqsr_tot(:,: )
2115	qsr_ice(:,:,:) = zqsr_ice(:,:,:)
2116	ENDIF
2117
2118	! ! ========================= !
2119	SELECT CASE( TRIM( sn_rcv_dqnsdt%cldes ) ) ! d(qns)/dt !
2120	! ! ========================= !
2121	CASE ('coupled')
2122	IF ( TRIM(sn_rcv_dqnsdt%clcat) == 'yes' ) THEN
2123	zdqns_ice(:,:,1:jpl) = frcv(jpr_dqnsdt)%z3(:,:,1:jpl)
2124	ELSE
2125	! Set all category values equal for the moment
2126	DO jl=1,jpl
2127	zdqns_ice(:,:,jl) = frcv(jpr_dqnsdt)%z3(:,:,1)
2128	ENDDO
2129	ENDIF
2130	END SELECT
2131
2132	IF( ln_mixcpl ) THEN
2133	DO jl=1,jpl
2134	dqns_ice(:,:,jl) = dqns_ice(:,:,jl) * xcplmask(:,:,0) + zdqns_ice(:,:,jl) * zmsk(:,:)
2135	ENDDO
2136	ELSE
2137	dqns_ice(:,:,:) = zdqns_ice(:,:,:)
2138	ENDIF
2139
2140	! ! ========================= !
2141	SELECT CASE( TRIM( sn_rcv_iceflx%cldes ) ) ! topmelt and botmelt !
2142	! ! ========================= !
2143	CASE ('coupled')
2144	topmelt(:,:,:)=frcv(jpr_topm)%z3(:,:,:)
2145	botmelt(:,:,:)=frcv(jpr_botm)%z3(:,:,:)
2146	END SELECT
2147
2148	! Surface transimission parameter io (Maykut Untersteiner , 1971 ; Ebert and Curry, 1993 )
2149	! Used for LIM2 and LIM3
2150	! Coupled case: since cloud cover is not received from atmosphere
2151	! ===> used prescribed cloud fraction representative for polar oceans in summer (0.81)
2152	fr1_i0(:,:) = ( 0.18 * ( 1.0 - cldf_ice ) + 0.35 * cldf_ice )
2153	fr2_i0(:,:) = ( 0.82 * ( 1.0 - cldf_ice ) + 0.65 * cldf_ice )
2154
2155	CALL wrk_dealloc( jpi,jpj, zcptn, ztmp, zicefr, zmsk, zsnw )
2156	CALL wrk_dealloc( jpi,jpj, zemp_tot, zemp_ice, zemp_oce, ztprecip, zsprecip, zevap_oce, zevap_ice, zdevap_ice )
2157	CALL wrk_dealloc( jpi,jpj, zqns_tot, zqns_oce, zqsr_tot, zqsr_oce, zqprec_ice, zqemp_oce, zqemp_ice )
2158	CALL wrk_dealloc( jpi,jpj,jpl, zqns_ice, zqsr_ice, zdqns_ice, zqevap_ice )
2159	!
2160	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_ice_flx')
2161	!
2162	END SUBROUTINE sbc_cpl_ice_flx
2163
2164
2165	SUBROUTINE sbc_cpl_snd( kt )
2166	!!----------------------------------------------------------------------
2167	!! * ROUTINE sbc_cpl_snd *
2168	!!
2169	!! ** Purpose : provide the ocean-ice informations to the atmosphere
2170	!!
2171	!! ** Method : send to the atmosphere through a call to cpl_snd
2172	!! all the needed fields (as defined in sbc_cpl_init)
2173	!!----------------------------------------------------------------------
2174	INTEGER, INTENT(in) :: kt
2175	!
2176	INTEGER :: ji, jj, jl ! dummy loop indices
2177	INTEGER :: ikchoix
2178	INTEGER :: isec, info ! local integer
2179	REAL(wp) :: zumax, zvmax
2180	REAL(wp), POINTER, DIMENSION(:,:) :: zfr_l, ztmp1, ztmp2, zotx1, zoty1, zotz1, zitx1, zity1, zitz1
2181	REAL(wp), POINTER, DIMENSION(:,:) :: zotx1_in, zoty1_in
2182	REAL(wp), POINTER, DIMENSION(:,:,:) :: ztmp3, ztmp4
2183	!!----------------------------------------------------------------------
2184	!
2185	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_snd')
2186	!
2187	CALL wrk_alloc( jpi,jpj, zfr_l, ztmp1, ztmp2, zotx1, zoty1, zotz1, zitx1, zity1, zitz1 )
2188	CALL wrk_alloc( jpi,jpj, zotx1_in, zoty1_in)
2189	CALL wrk_alloc( jpi,jpj,jpl, ztmp3, ztmp4 )
2190
2191	isec = ( kt - nit000 ) * NINT(rdttra(1)) ! date of exchanges
2192
2193	zfr_l(:,:) = 1.- fr_i(:,:)
2194	! ! ------------------------- !
2195	! ! Surface temperature ! in Kelvin
2196	! ! ------------------------- !
2197	IF( ssnd(jps_toce)%laction .OR. ssnd(jps_tice)%laction .OR. ssnd(jps_tmix)%laction ) THEN
2198
2199	IF ( nn_components == jp_iam_opa ) THEN
2200	ztmp1(:,:) = tsn(:,:,1,jp_tem) ! send temperature as it is (potential or conservative) -> use of ln_useCT on the received part
2201	ELSE
2202	! we must send the surface potential temperature
2203	IF( ln_useCT ) THEN ; ztmp1(:,:) = eos_pt_from_ct( tsn(:,:,1,jp_tem), tsn(:,:,1,jp_sal) )
2204	ELSE ; ztmp1(:,:) = tsn(:,:,1,jp_tem)
2205	ENDIF
2206	!
2207	SELECT CASE( sn_snd_temp%cldes)
2208	CASE( 'oce only' ) ; ztmp1(:,:) = ztmp1(:,:) + rt0
2209	CASE( 'oce and ice' ) ; ztmp1(:,:) = ztmp1(:,:) + rt0
2210	SELECT CASE( sn_snd_temp%clcat )
2211	CASE( 'yes' )
2212	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl)
2213	CASE( 'no' )
2214	WHERE( SUM( a_i, dim=3 ) /= 0. )
2215	ztmp3(:,:,1) = SUM( tn_ice * a_i, dim=3 ) / SUM( a_i, dim=3 )
2216	ELSEWHERE
2217	ztmp3(:,:,1) = rt0
2218	END WHERE
2219	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
2220	END SELECT
2221	CASE( 'weighted oce and ice' ) ; ztmp1(:,:) = ( ztmp1(:,:) + rt0 ) * zfr_l(:,:)
2222	SELECT CASE( sn_snd_temp%clcat )
2223	CASE( 'yes' )
2224	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2225	CASE( 'no' )
2226	ztmp3(:,:,:) = 0.0
2227	DO jl=1,jpl
2228	ztmp3(:,:,1) = ztmp3(:,:,1) + tn_ice(:,:,jl) * a_i(:,:,jl)
2229	ENDDO
2230	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
2231	END SELECT
2232	CASE( 'oce and weighted ice' ) ; ztmp1(:,:) = tsn(:,:,1,jp_tem) + rt0
2233	SELECT CASE( sn_snd_temp%clcat )
2234	CASE( 'yes' )
2235	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2236	CASE( 'no' )
2237	ztmp3(:,:,:) = 0.0
2238	DO jl=1,jpl
2239	ztmp3(:,:,1) = ztmp3(:,:,1) + tn_ice(:,:,jl) * a_i(:,:,jl)
2240	ENDDO
2241	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
2242	END SELECT
2243	CASE( 'mixed oce-ice' )
2244	ztmp1(:,:) = ( ztmp1(:,:) + rt0 ) * zfr_l(:,:)
2245	DO jl=1,jpl
2246	ztmp1(:,:) = ztmp1(:,:) + tn_ice(:,:,jl) * a_i(:,:,jl)
2247	ENDDO
2248	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%cldes' )
2249	END SELECT
2250	ENDIF
2251	IF( ssnd(jps_toce)%laction ) CALL cpl_snd( jps_toce, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2252	IF( ssnd(jps_tice)%laction ) CALL cpl_snd( jps_tice, isec, ztmp3, info )
2253	IF( ssnd(jps_tmix)%laction ) CALL cpl_snd( jps_tmix, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2254	ENDIF
2255	! ! ------------------------- !
2256	! ! Albedo !
2257	! ! ------------------------- !
2258	IF( ssnd(jps_albice)%laction ) THEN ! ice
2259	SELECT CASE( sn_snd_alb%cldes )
2260	CASE( 'ice' )
2261	SELECT CASE( sn_snd_alb%clcat )
2262	CASE( 'yes' )
2263	ztmp3(:,:,1:jpl) = alb_ice(:,:,1:jpl)
2264	CASE( 'no' )
2265	WHERE( SUM( a_i, dim=3 ) /= 0. )
2266	ztmp1(:,:) = SUM( alb_ice (:,:,1:jpl) * a_i(:,:,1:jpl), dim=3 ) / SUM( a_i(:,:,1:jpl), dim=3 )
2267	ELSEWHERE
2268	ztmp1(:,:) = albedo_oce_mix(:,:)
2269	END WHERE
2270	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_alb%clcat' )
2271	END SELECT
2272	CASE( 'weighted ice' ) ;
2273	SELECT CASE( sn_snd_alb%clcat )
2274	CASE( 'yes' )
2275	ztmp3(:,:,1:jpl) = alb_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2276	CASE( 'no' )
2277	WHERE( fr_i (:,:) > 0. )
2278	ztmp1(:,:) = SUM ( alb_ice(:,:,1:jpl) * a_i(:,:,1:jpl), dim=3 )
2279	ELSEWHERE
2280	ztmp1(:,:) = 0.
2281	END WHERE
2282	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_ice%clcat' )
2283	END SELECT
2284	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_alb%cldes' )
2285	END SELECT
2286
2287	SELECT CASE( sn_snd_alb%clcat )
2288	CASE( 'yes' )
2289	CALL cpl_snd( jps_albice, isec, ztmp3, info ) !-> MV this has never been checked in coupled mode
2290	CASE( 'no' )
2291	CALL cpl_snd( jps_albice, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2292	END SELECT
2293	ENDIF
2294
2295	IF( ssnd(jps_albmix)%laction ) THEN ! mixed ice-ocean
2296	ztmp1(:,:) = albedo_oce_mix(:,:) * zfr_l(:,:)
2297	DO jl=1,jpl
2298	ztmp1(:,:) = ztmp1(:,:) + alb_ice(:,:,jl) * a_i(:,:,jl)
2299	ENDDO
2300	CALL cpl_snd( jps_albmix, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2301	ENDIF
2302	! ! ------------------------- !
2303	! ! Ice fraction & Thickness !
2304	! ! ------------------------- !
2305	! Send ice fraction field to atmosphere
2306	IF( ssnd(jps_fice)%laction ) THEN
2307	SELECT CASE( sn_snd_thick%clcat )
2308	CASE( 'yes' ) ; ztmp3(:,:,1:jpl) = a_i(:,:,1:jpl)
2309	CASE( 'no' ) ; ztmp3(:,:,1 ) = fr_i(:,: )
2310	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
2311	END SELECT
2312	IF( ssnd(jps_fice)%laction ) CALL cpl_snd( jps_fice, isec, ztmp3, info )
2313	ENDIF
2314
2315	! Send ice fraction field (first order interpolation), for weighting UM fluxes to be passed to NEMO
2316	IF (ssnd(jps_fice1)%laction) THEN
2317	SELECT CASE (sn_snd_thick1%clcat)
2318	CASE( 'yes' ) ; ztmp3(:,:,1:jpl) = a_i(:,:,1:jpl)
2319	CASE( 'no' ) ; ztmp3(:,:,1) = fr_i(:,:)
2320	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick1%clcat' )
2321	END SELECT
2322	CALL cpl_snd (jps_fice1, isec, ztmp3, info)
2323	ENDIF
2324
2325	! Send ice fraction field to OPA (sent by SAS in SAS-OPA coupling)
2326	IF( ssnd(jps_fice2)%laction ) THEN
2327	ztmp3(:,:,1) = fr_i(:,:)
2328	IF( ssnd(jps_fice2)%laction ) CALL cpl_snd( jps_fice2, isec, ztmp3, info )
2329	ENDIF
2330
2331	! Send ice and snow thickness field
2332	IF( ssnd(jps_hice)%laction .OR. ssnd(jps_hsnw)%laction ) THEN
2333	SELECT CASE( sn_snd_thick%cldes)
2334	CASE( 'none' ) ! nothing to do
2335	CASE( 'weighted ice and snow' )
2336	SELECT CASE( sn_snd_thick%clcat )
2337	CASE( 'yes' )
2338	ztmp3(:,:,1:jpl) = ht_i(:,:,1:jpl) * a_i(:,:,1:jpl)
2339	ztmp4(:,:,1:jpl) = ht_s(:,:,1:jpl) * a_i(:,:,1:jpl)
2340	CASE( 'no' )
2341	ztmp3(:,:,:) = 0.0 ; ztmp4(:,:,:) = 0.0
2342	DO jl=1,jpl
2343	ztmp3(:,:,1) = ztmp3(:,:,1) + ht_i(:,:,jl) * a_i(:,:,jl)
2344	ztmp4(:,:,1) = ztmp4(:,:,1) + ht_s(:,:,jl) * a_i(:,:,jl)
2345	ENDDO
2346	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
2347	END SELECT
2348	CASE( 'ice and snow' )
2349	SELECT CASE( sn_snd_thick%clcat )
2350	CASE( 'yes' )
2351	ztmp3(:,:,1:jpl) = ht_i(:,:,1:jpl)
2352	ztmp4(:,:,1:jpl) = ht_s(:,:,1:jpl)
2353	CASE( 'no' )
2354	WHERE( SUM( a_i, dim=3 ) /= 0. )
2355	ztmp3(:,:,1) = SUM( ht_i * a_i, dim=3 ) / SUM( a_i, dim=3 )
2356	ztmp4(:,:,1) = SUM( ht_s * a_i, dim=3 ) / SUM( a_i, dim=3 )
2357	ELSEWHERE
2358	ztmp3(:,:,1) = 0.
2359	ztmp4(:,:,1) = 0.
2360	END WHERE
2361	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
2362	END SELECT
2363	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%cldes' )
2364	END SELECT
2365	IF( ssnd(jps_hice)%laction ) CALL cpl_snd( jps_hice, isec, ztmp3, info )
2366	IF( ssnd(jps_hsnw)%laction ) CALL cpl_snd( jps_hsnw, isec, ztmp4, info )
2367	ENDIF
2368	!
2369	#if defined key_cice && ! defined key_cice4
2370	! Send meltpond fields
2371	IF( ssnd(jps_a_p)%laction .OR. ssnd(jps_ht_p)%laction ) THEN
2372	SELECT CASE( sn_snd_mpnd%cldes)
2373	CASE( 'weighted ice' )
2374	SELECT CASE( sn_snd_mpnd%clcat )
2375	CASE( 'yes' )
2376	ztmp3(:,:,1:jpl) = a_p(:,:,1:jpl) * a_i(:,:,1:jpl)
2377	ztmp4(:,:,1:jpl) = ht_p(:,:,1:jpl) * a_i(:,:,1:jpl)
2378	CASE( 'no' )
2379	ztmp3(:,:,:) = 0.0
2380	ztmp4(:,:,:) = 0.0
2381	DO jl=1,jpl
2382	ztmp3(:,:,1) = ztmp3(:,:,1) + a_p(:,:,jpl) * a_i(:,:,jpl)
2383	ztmp4(:,:,1) = ztmp4(:,:,1) + ht_p(:,:,jpl) * a_i(:,:,jpl)
2384	ENDDO
2385	CASE default ; CALL ctl_stop( 'sbc_cpl_mpd: wrong definition of sn_snd_mpnd%clcat' )
2386	END SELECT
2387	CASE( 'ice only' )
2388	ztmp3(:,:,1:jpl) = a_p(:,:,1:jpl)
2389	ztmp4(:,:,1:jpl) = ht_p(:,:,1:jpl)
2390	END SELECT
2391	IF( ssnd(jps_a_p)%laction ) CALL cpl_snd( jps_a_p, isec, ztmp3, info )
2392	IF( ssnd(jps_ht_p)%laction ) CALL cpl_snd( jps_ht_p, isec, ztmp4, info )
2393	!
2394	! Send ice effective conductivity
2395	SELECT CASE( sn_snd_cond%cldes)
2396	CASE( 'weighted ice' )
2397	SELECT CASE( sn_snd_cond%clcat )
2398	CASE( 'yes' )
2399	ztmp3(:,:,1:jpl) = kn_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2400	CASE( 'no' )
2401	ztmp3(:,:,:) = 0.0
2402	DO jl=1,jpl
2403	ztmp3(:,:,1) = ztmp3(:,:,1) + kn_ice(:,:,jl) * a_i(:,:,jl)
2404	ENDDO
2405	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_cond%clcat' )
2406	END SELECT
2407	CASE( 'ice only' )
2408	ztmp3(:,:,1:jpl) = kn_ice(:,:,1:jpl)
2409	END SELECT
2410	IF( ssnd(jps_kice)%laction ) CALL cpl_snd( jps_kice, isec, ztmp3, info )
2411	ENDIF
2412	#endif
2413	!
2414	!
2415	#if defined key_cpl_carbon_cycle
2416	! ! ------------------------- !
2417	! ! CO2 flux from PISCES !
2418	! ! ------------------------- !
2419	IF( ssnd(jps_co2)%laction ) CALL cpl_snd( jps_co2, isec, RESHAPE ( oce_co2, (/jpi,jpj,1/) ) , info )
2420	!
2421	#endif
2422
2423
2424
2425	IF (ln_medusa) THEN
2426	! ! ---------------------------------------------- !
2427	! ! CO2 flux, DMS and chlorophyll from MEDUSA !
2428	! ! ---------------------------------------------- !
2429	IF ( ssnd(jps_bio_co2)%laction ) THEN
2430	CALL cpl_snd( jps_bio_co2, isec, RESHAPE( CO2Flux_out_cpl, (/jpi,jpj,1/) ), info )
2431	ENDIF
2432
2433	IF ( ssnd(jps_bio_dms)%laction ) THEN
2434	CALL cpl_snd( jps_bio_dms, isec, RESHAPE( DMS_out_cpl, (/jpi,jpj,1/) ), info )
2435	ENDIF
2436
2437	IF ( ssnd(jps_bio_chloro)%laction ) THEN
2438	CALL cpl_snd( jps_bio_chloro, isec, RESHAPE( chloro_out_cpl, (/jpi,jpj,1/) ), info )
2439	ENDIF
2440	ENDIF
2441
2442	! ! ------------------------- !
2443	IF( ssnd(jps_ocx1)%laction ) THEN ! Surface current !
2444	! ! ------------------------- !
2445	!
2446	! j+1 j -----V---F
2447	! surface velocity always sent from T point ! \|
2448	! [except for HadGEM3] j \| T U
2449	! \| \|
2450	! j j-1 -I-------\|
2451	! (for I) \| \|
2452	! i-1 i i
2453	! i i+1 (for I)
2454	IF( nn_components == jp_iam_opa ) THEN
2455	zotx1(:,:) = un(:,:,1)
2456	zoty1(:,:) = vn(:,:,1)
2457	ELSE
2458	SELECT CASE( TRIM( sn_snd_crt%cldes ) )
2459	CASE( 'oce only' ) ! C-grid ==> T
2460	IF ( TRIM( sn_snd_crt%clvgrd ) == 'T' ) THEN
2461	DO jj = 2, jpjm1
2462	DO ji = fs_2, fs_jpim1 ! vector opt.
2463	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) )
2464	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) )
2465	END DO
2466	END DO
2467	ELSE
2468	! Temporarily Changed for UKV
2469	DO jj = 2, jpjm1
2470	DO ji = 2, jpim1
2471	zotx1(ji,jj) = un(ji,jj,1)
2472	zoty1(ji,jj) = vn(ji,jj,1)
2473	END DO
2474	END DO
2475	ENDIF
2476	CASE( 'weighted oce and ice' )
2477	SELECT CASE ( cp_ice_msh )
2478	CASE( 'C' ) ! Ocean and Ice on C-grid ==> T
2479	DO jj = 2, jpjm1
2480	DO ji = fs_2, fs_jpim1 ! vector opt.
2481	zotx1(ji,jj) = 0.5 * ( un (ji,jj,1) + un (ji-1,jj ,1) ) * zfr_l(ji,jj)
2482	zoty1(ji,jj) = 0.5 * ( vn (ji,jj,1) + vn (ji ,jj-1,1) ) * zfr_l(ji,jj)
2483	zitx1(ji,jj) = 0.5 * ( u_ice(ji,jj ) + u_ice(ji-1,jj ) ) * fr_i(ji,jj)
2484	zity1(ji,jj) = 0.5 * ( v_ice(ji,jj ) + v_ice(ji ,jj-1 ) ) * fr_i(ji,jj)
2485	END DO
2486	END DO
2487	CASE( 'I' ) ! Ocean on C grid, Ice on I-point (B-grid) ==> T
2488	DO jj = 2, jpjm1
2489	DO ji = 2, jpim1 ! NO vector opt.
2490	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) ) * zfr_l(ji,jj)
2491	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) ) * zfr_l(ji,jj)
2492	zitx1(ji,jj) = 0.25 * ( u_ice(ji+1,jj+1) + u_ice(ji,jj+1) &
2493	& + u_ice(ji+1,jj ) + u_ice(ji,jj ) ) * fr_i(ji,jj)
2494	zity1(ji,jj) = 0.25 * ( v_ice(ji+1,jj+1) + v_ice(ji,jj+1) &
2495	& + v_ice(ji+1,jj ) + v_ice(ji,jj ) ) * fr_i(ji,jj)
2496	END DO
2497	END DO
2498	CASE( 'F' ) ! Ocean on C grid, Ice on F-point (B-grid) ==> T
2499	DO jj = 2, jpjm1
2500	DO ji = 2, jpim1 ! NO vector opt.
2501	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) ) * zfr_l(ji,jj)
2502	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) ) * zfr_l(ji,jj)
2503	zitx1(ji,jj) = 0.25 * ( u_ice(ji-1,jj-1) + u_ice(ji,jj-1) &
2504	& + u_ice(ji-1,jj ) + u_ice(ji,jj ) ) * fr_i(ji,jj)
2505	zity1(ji,jj) = 0.25 * ( v_ice(ji-1,jj-1) + v_ice(ji,jj-1) &
2506	& + v_ice(ji-1,jj ) + v_ice(ji,jj ) ) * fr_i(ji,jj)
2507	END DO
2508	END DO
2509	END SELECT
2510	CALL lbc_lnk( zitx1, 'T', -1. ) ; CALL lbc_lnk( zity1, 'T', -1. )
2511	CASE( 'mixed oce-ice' )
2512	SELECT CASE ( cp_ice_msh )
2513	CASE( 'C' ) ! Ocean and Ice on C-grid ==> T
2514	DO jj = 2, jpjm1
2515	DO ji = fs_2, fs_jpim1 ! vector opt.
2516	zotx1(ji,jj) = 0.5 * ( un (ji,jj,1) + un (ji-1,jj ,1) ) * zfr_l(ji,jj) &
2517	& + 0.5 * ( u_ice(ji,jj ) + u_ice(ji-1,jj ) ) * fr_i(ji,jj)
2518	zoty1(ji,jj) = 0.5 * ( vn (ji,jj,1) + vn (ji ,jj-1,1) ) * zfr_l(ji,jj) &
2519	& + 0.5 * ( v_ice(ji,jj ) + v_ice(ji ,jj-1 ) ) * fr_i(ji,jj)
2520	END DO
2521	END DO
2522	CASE( 'I' ) ! Ocean on C grid, Ice on I-point (B-grid) ==> T
2523	DO jj = 2, jpjm1
2524	DO ji = 2, jpim1 ! NO vector opt.
2525	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) ) * zfr_l(ji,jj) &
2526	& + 0.25 * ( u_ice(ji+1,jj+1) + u_ice(ji,jj+1) &
2527	& + u_ice(ji+1,jj ) + u_ice(ji,jj ) ) * fr_i(ji,jj)
2528	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) ) * zfr_l(ji,jj) &
2529	& + 0.25 * ( v_ice(ji+1,jj+1) + v_ice(ji,jj+1) &
2530	& + v_ice(ji+1,jj ) + v_ice(ji,jj ) ) * fr_i(ji,jj)
2531	END DO
2532	END DO
2533	CASE( 'F' ) ! Ocean on C grid, Ice on F-point (B-grid) ==> T
2534	IF ( TRIM( sn_snd_crt%clvgrd ) == 'T' ) THEN
2535	DO jj = 2, jpjm1
2536	DO ji = 2, jpim1 ! NO vector opt.
2537	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj,1) ) * zfr_l(ji,jj) &
2538	& + 0.25 * ( u_ice(ji-1,jj-1) + u_ice(ji,jj-1) &
2539	& + u_ice(ji-1,jj ) + u_ice(ji,jj ) ) * fr_i(ji,jj)
2540	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji,jj-1,1) ) * zfr_l(ji,jj) &
2541	& + 0.25 * ( v_ice(ji-1,jj-1) + v_ice(ji,jj-1) &
2542	& + v_ice(ji-1,jj ) + v_ice(ji,jj ) ) * fr_i(ji,jj)
2543	END DO
2544	END DO
2545	#if defined key_cice
2546	ELSE
2547	! Temporarily Changed for HadGEM3
2548	DO jj = 2, jpjm1
2549	DO ji = 2, jpim1 ! NO vector opt.
2550	zotx1(ji,jj) = (1.0-fr_iu(ji,jj)) * un(ji,jj,1) &
2551	& + fr_iu(ji,jj) * 0.5 * ( u_ice(ji,jj-1) + u_ice(ji,jj) )
2552	zoty1(ji,jj) = (1.0-fr_iv(ji,jj)) * vn(ji,jj,1) &
2553	& + fr_iv(ji,jj) * 0.5 * ( v_ice(ji-1,jj) + v_ice(ji,jj) )
2554	END DO
2555	END DO
2556	#endif
2557	ENDIF
2558	END SELECT
2559	END SELECT
2560	CALL lbc_lnk( zotx1, ssnd(jps_ocx1)%clgrid, -1. ) ; CALL lbc_lnk( zoty1, ssnd(jps_ocy1)%clgrid, -1. )
2561	!
2562	ENDIF
2563	!
2564	!
2565	IF( TRIM( sn_snd_crt%clvor ) == 'eastward-northward' ) THEN ! Rotation of the components
2566	! ! Ocean component
2567	IF ( TRIM( sn_snd_crt%clvgrd ) == 'T' ) THEN
2568	CALL rot_rep( zotx1, zoty1, ssnd(jps_ocx1)%clgrid, 'ij->e', ztmp1 ) ! 1st component
2569	CALL rot_rep( zotx1, zoty1, ssnd(jps_ocx1)%clgrid, 'ij->n', ztmp2 ) ! 2nd component
2570	zotx1(:,:) = ztmp1(:,:) ! overwrite the components
2571	zoty1(:,:) = ztmp2(:,:)
2572	IF( ssnd(jps_ivx1)%laction ) THEN ! Ice component
2573	CALL rot_rep( zitx1, zity1, ssnd(jps_ivx1)%clgrid, 'ij->e', ztmp1 ) ! 1st component
2574	CALL rot_rep( zitx1, zity1, ssnd(jps_ivx1)%clgrid, 'ij->n', ztmp2 ) ! 2nd component
2575	zitx1(:,:) = ztmp1(:,:) ! overwrite the components
2576	zity1(:,:) = ztmp2(:,:)
2577	ENDIF
2578	ELSE
2579	! Temporary code for HadGEM3 - will be removed eventually.
2580	! Only applies when we want uvel on U grid and vvel on V grid
2581	! Rotate U and V onto geographic grid before sending.
2582
2583	DO jj=2,jpjm1
2584	DO ji=2,jpim1
2585	ztmp1(ji,jj)=0.25*vmask(ji,jj,1) &
2586	*(zotx1(ji,jj)+zotx1(ji-1,jj) &
2587	+zotx1(ji,jj+1)+zotx1(ji-1,jj+1))
2588	ztmp2(ji,jj)=0.25*umask(ji,jj,1) &
2589	*(zoty1(ji,jj)+zoty1(ji+1,jj) &
2590	+zoty1(ji,jj-1)+zoty1(ji+1,jj-1))
2591	ENDDO
2592	ENDDO
2593
2594	! Ensure any N fold and wrap columns are updated
2595	CALL lbc_lnk(ztmp1, 'V', -1.0)
2596	CALL lbc_lnk(ztmp2, 'U', -1.0)
2597
2598	ikchoix = -1
2599	! We need copies of zotx1 and zoty2 in order to avoid problems
2600	! caused by INTENTs used in the following subroutine.
2601	zotx1_in(:,:) = zotx1(:,:)
2602	zoty1_in(:,:) = zoty1(:,:)
2603	CALL repcmo (zotx1_in,ztmp2,ztmp1,zoty1_in,zotx1,zoty1,ikchoix)
2604	ENDIF
2605	ENDIF
2606	!
2607	! spherical coordinates to cartesian -> 2 components to 3 components
2608	IF( TRIM( sn_snd_crt%clvref ) == 'cartesian' ) THEN
2609	ztmp1(:,:) = zotx1(:,:) ! ocean currents
2610	ztmp2(:,:) = zoty1(:,:)
2611	CALL oce2geo ( ztmp1, ztmp2, 'T', zotx1, zoty1, zotz1 )
2612	!
2613	IF( ssnd(jps_ivx1)%laction ) THEN ! ice velocities
2614	ztmp1(:,:) = zitx1(:,:)
2615	ztmp1(:,:) = zity1(:,:)
2616	CALL oce2geo ( ztmp1, ztmp2, 'T', zitx1, zity1, zitz1 )
2617	ENDIF
2618	ENDIF
2619	!
2620	IF( ssnd(jps_ocx1)%laction ) CALL cpl_snd( jps_ocx1, isec, RESHAPE ( zotx1, (/jpi,jpj,1/) ), info ) ! ocean x current 1st grid
2621	IF( ssnd(jps_ocy1)%laction ) CALL cpl_snd( jps_ocy1, isec, RESHAPE ( zoty1, (/jpi,jpj,1/) ), info ) ! ocean y current 1st grid
2622	IF( ssnd(jps_ocz1)%laction ) CALL cpl_snd( jps_ocz1, isec, RESHAPE ( zotz1, (/jpi,jpj,1/) ), info ) ! ocean z current 1st grid
2623	!
2624	IF( ssnd(jps_ivx1)%laction ) CALL cpl_snd( jps_ivx1, isec, RESHAPE ( zitx1, (/jpi,jpj,1/) ), info ) ! ice x current 1st grid
2625	IF( ssnd(jps_ivy1)%laction ) CALL cpl_snd( jps_ivy1, isec, RESHAPE ( zity1, (/jpi,jpj,1/) ), info ) ! ice y current 1st grid
2626	IF( ssnd(jps_ivz1)%laction ) CALL cpl_snd( jps_ivz1, isec, RESHAPE ( zitz1, (/jpi,jpj,1/) ), info ) ! ice z current 1st grid
2627	!
2628	ENDIF
2629	!
2630	!
2631	! Fields sent by OPA to SAS when doing OPA<->SAS coupling
2632	! ! SSH
2633	IF( ssnd(jps_ssh )%laction ) THEN
2634	! ! removed inverse barometer ssh when Patm
2635	! forcing is used (for sea-ice dynamics)
2636	IF( ln_apr_dyn ) THEN ; ztmp1(:,:) = sshb(:,:) - 0.5 * ( ssh_ib(:,:) + ssh_ibb(:,:) )
2637	ELSE ; ztmp1(:,:) = sshn(:,:)
2638	ENDIF
2639	CALL cpl_snd( jps_ssh , isec, RESHAPE ( ztmp1 , (/jpi,jpj,1/) ), info )
2640
2641	ENDIF
2642	! ! SSS
2643	IF( ssnd(jps_soce )%laction ) THEN
2644	CALL cpl_snd( jps_soce , isec, RESHAPE ( tsn(:,:,1,jp_sal), (/jpi,jpj,1/) ), info )
2645	ENDIF
2646	! ! first T level thickness
2647	IF( ssnd(jps_e3t1st )%laction ) THEN
2648	CALL cpl_snd( jps_e3t1st, isec, RESHAPE ( fse3t_n(:,:,1) , (/jpi,jpj,1/) ), info )
2649	ENDIF
2650	! ! Qsr fraction
2651	IF( ssnd(jps_fraqsr)%laction ) THEN
2652	CALL cpl_snd( jps_fraqsr, isec, RESHAPE ( fraqsr_1lev(:,:) , (/jpi,jpj,1/) ), info )
2653	ENDIF
2654	!
2655	! Fields sent by SAS to OPA when OASIS coupling
2656	! ! Solar heat flux
2657	IF( ssnd(jps_qsroce)%laction ) CALL cpl_snd( jps_qsroce, isec, RESHAPE ( qsr , (/jpi,jpj,1/) ), info )
2658	IF( ssnd(jps_qnsoce)%laction ) CALL cpl_snd( jps_qnsoce, isec, RESHAPE ( qns , (/jpi,jpj,1/) ), info )
2659	IF( ssnd(jps_oemp )%laction ) CALL cpl_snd( jps_oemp , isec, RESHAPE ( emp , (/jpi,jpj,1/) ), info )
2660	IF( ssnd(jps_sflx )%laction ) CALL cpl_snd( jps_sflx , isec, RESHAPE ( sfx , (/jpi,jpj,1/) ), info )
2661	IF( ssnd(jps_otx1 )%laction ) CALL cpl_snd( jps_otx1 , isec, RESHAPE ( utau, (/jpi,jpj,1/) ), info )
2662	IF( ssnd(jps_oty1 )%laction ) CALL cpl_snd( jps_oty1 , isec, RESHAPE ( vtau, (/jpi,jpj,1/) ), info )
2663	IF( ssnd(jps_rnf )%laction ) CALL cpl_snd( jps_rnf , isec, RESHAPE ( rnf , (/jpi,jpj,1/) ), info )
2664	IF( ssnd(jps_taum )%laction ) CALL cpl_snd( jps_taum , isec, RESHAPE ( taum, (/jpi,jpj,1/) ), info )
2665
2666	#if defined key_cice
2667	ztmp1(:,:) = sstfrz(:,:) + rt0
2668	IF( ssnd(jps_sstfrz)%laction ) CALL cpl_snd( jps_sstfrz, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2669	#endif
2670	!
2671	CALL wrk_dealloc( jpi,jpj, zfr_l, ztmp1, ztmp2, zotx1, zoty1, zotz1, zitx1, zity1, zitz1 )
2672	CALL wrk_dealloc( jpi,jpj, zotx1_in, zoty1_in )
2673	CALL wrk_dealloc( jpi,jpj,jpl, ztmp3, ztmp4 )
2674	!
2675	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_snd')
2676	!
2677	END SUBROUTINE sbc_cpl_snd
2678
2679	!!======================================================================
2680	END MODULE sbccpl

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