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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 @ 9218

Last change on this file since 9218 was 9218, checked in by frrh, 6 years ago
First working version defining and receiveing 0D couping fields on PE 0 and broadcasting values using MPI_BCAST.
File size: 154.7 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	#if defined key_cpl_carbon_cycle
49	USE p4zflx, ONLY : oce_co2
50	#endif
51	#if defined key_lim3
52	USE limthd_dh ! for CALL lim_thd_snwblow
53	#endif
54	USE lib_fortran, ONLY: glob_sum
55
56	IMPLICIT NONE
57	PRIVATE
58
59	PUBLIC sbc_cpl_init ! routine called by sbcmod.F90
60	PUBLIC sbc_cpl_rcv ! routine called by sbc_ice_lim(_2).F90
61	PUBLIC sbc_cpl_snd ! routine called by step.F90
62	PUBLIC sbc_cpl_ice_tau ! routine called by sbc_ice_lim(_2).F90
63	PUBLIC sbc_cpl_ice_flx ! routine called by sbc_ice_lim(_2).F90
64	PUBLIC sbc_cpl_alloc ! routine called in sbcice_cice.F90
65
66	INTEGER, PARAMETER :: jpr_otx1 = 1 ! 3 atmosphere-ocean stress components on grid 1
67	INTEGER, PARAMETER :: jpr_oty1 = 2 !
68	INTEGER, PARAMETER :: jpr_otz1 = 3 !
69	INTEGER, PARAMETER :: jpr_otx2 = 4 ! 3 atmosphere-ocean stress components on grid 2
70	INTEGER, PARAMETER :: jpr_oty2 = 5 !
71	INTEGER, PARAMETER :: jpr_otz2 = 6 !
72	INTEGER, PARAMETER :: jpr_itx1 = 7 ! 3 atmosphere-ice stress components on grid 1
73	INTEGER, PARAMETER :: jpr_ity1 = 8 !
74	INTEGER, PARAMETER :: jpr_itz1 = 9 !
75	INTEGER, PARAMETER :: jpr_itx2 = 10 ! 3 atmosphere-ice stress components on grid 2
76	INTEGER, PARAMETER :: jpr_ity2 = 11 !
77	INTEGER, PARAMETER :: jpr_itz2 = 12 !
78	INTEGER, PARAMETER :: jpr_qsroce = 13 ! Qsr above the ocean
79	INTEGER, PARAMETER :: jpr_qsrice = 14 ! Qsr above the ice
80	INTEGER, PARAMETER :: jpr_qsrmix = 15
81	INTEGER, PARAMETER :: jpr_qnsoce = 16 ! Qns above the ocean
82	INTEGER, PARAMETER :: jpr_qnsice = 17 ! Qns above the ice
83	INTEGER, PARAMETER :: jpr_qnsmix = 18
84	INTEGER, PARAMETER :: jpr_rain = 19 ! total liquid precipitation (rain)
85	INTEGER, PARAMETER :: jpr_snow = 20 ! solid precipitation over the ocean (snow)
86	INTEGER, PARAMETER :: jpr_tevp = 21 ! total evaporation
87	INTEGER, PARAMETER :: jpr_ievp = 22 ! solid evaporation (sublimation)
88	INTEGER, PARAMETER :: jpr_sbpr = 23 ! sublimation - liquid precipitation - solid precipitation
89	INTEGER, PARAMETER :: jpr_semp = 24 ! solid freshwater budget (sublimation - snow)
90	INTEGER, PARAMETER :: jpr_oemp = 25 ! ocean freshwater budget (evap - precip)
91	INTEGER, PARAMETER :: jpr_w10m = 26 ! 10m wind
92	INTEGER, PARAMETER :: jpr_dqnsdt = 27 ! d(Q non solar)/d(temperature)
93	INTEGER, PARAMETER :: jpr_rnf = 28 ! runoffs
94	INTEGER, PARAMETER :: jpr_cal = 29 ! calving
95	INTEGER, PARAMETER :: jpr_taum = 30 ! wind stress module
96	INTEGER, PARAMETER :: jpr_co2 = 31
97	INTEGER, PARAMETER :: jpr_topm = 32 ! topmeltn
98	INTEGER, PARAMETER :: jpr_botm = 33 ! botmeltn
99	INTEGER, PARAMETER :: jpr_sflx = 34 ! salt flux
100	INTEGER, PARAMETER :: jpr_toce = 35 ! ocean temperature
101	INTEGER, PARAMETER :: jpr_soce = 36 ! ocean salinity
102	INTEGER, PARAMETER :: jpr_ocx1 = 37 ! ocean current on grid 1
103	INTEGER, PARAMETER :: jpr_ocy1 = 38 !
104	INTEGER, PARAMETER :: jpr_ssh = 39 ! sea surface height
105	INTEGER, PARAMETER :: jpr_fice = 40 ! ice fraction
106	INTEGER, PARAMETER :: jpr_e3t1st = 41 ! first T level thickness
107	INTEGER, PARAMETER :: jpr_fraqsr = 42 ! fraction of solar net radiation absorbed in the first ocean level
108	INTEGER, PARAMETER :: jpr_ts_ice = 43 ! skin temperature of sea-ice (used for melt-ponds)
109	INTEGER, PARAMETER :: jpr_grnm = 44 ! Greenland ice mass
110	INTEGER, PARAMETER :: jpr_antm = 45 ! Antarctic ice mass
111	INTEGER, PARAMETER :: jpr_atm_pco2 = 46 ! Incoming atm CO2 flux
112	INTEGER, PARAMETER :: jpr_atm_dust = 47 ! Incoming atm aggregate dust
113	INTEGER, PARAMETER :: jprcv = 47 ! total number of fields received
114
115	INTEGER, PARAMETER :: jps_fice = 1 ! ice fraction sent to the atmosphere
116	INTEGER, PARAMETER :: jps_toce = 2 ! ocean temperature
117	INTEGER, PARAMETER :: jps_tice = 3 ! ice temperature
118	INTEGER, PARAMETER :: jps_tmix = 4 ! mixed temperature (ocean+ice)
119	INTEGER, PARAMETER :: jps_albice = 5 ! ice albedo
120	INTEGER, PARAMETER :: jps_albmix = 6 ! mixed albedo
121	INTEGER, PARAMETER :: jps_hice = 7 ! ice thickness
122	INTEGER, PARAMETER :: jps_hsnw = 8 ! snow thickness
123	INTEGER, PARAMETER :: jps_ocx1 = 9 ! ocean current on grid 1
124	INTEGER, PARAMETER :: jps_ocy1 = 10 !
125	INTEGER, PARAMETER :: jps_ocz1 = 11 !
126	INTEGER, PARAMETER :: jps_ivx1 = 12 ! ice current on grid 1
127	INTEGER, PARAMETER :: jps_ivy1 = 13 !
128	INTEGER, PARAMETER :: jps_ivz1 = 14 !
129	INTEGER, PARAMETER :: jps_co2 = 15
130	INTEGER, PARAMETER :: jps_soce = 16 ! ocean salinity
131	INTEGER, PARAMETER :: jps_ssh = 17 ! sea surface height
132	INTEGER, PARAMETER :: jps_qsroce = 18 ! Qsr above the ocean
133	INTEGER, PARAMETER :: jps_qnsoce = 19 ! Qns above the ocean
134	INTEGER, PARAMETER :: jps_oemp = 20 ! ocean freshwater budget (evap - precip)
135	INTEGER, PARAMETER :: jps_sflx = 21 ! salt flux
136	INTEGER, PARAMETER :: jps_otx1 = 22 ! 2 atmosphere-ocean stress components on grid 1
137	INTEGER, PARAMETER :: jps_oty1 = 23 !
138	INTEGER, PARAMETER :: jps_rnf = 24 ! runoffs
139	INTEGER, PARAMETER :: jps_taum = 25 ! wind stress module
140	INTEGER, PARAMETER :: jps_fice2 = 26 ! ice fraction sent to OPA (by SAS when doing SAS-OPA coupling)
141	INTEGER, PARAMETER :: jps_e3t1st = 27 ! first level depth (vvl)
142	INTEGER, PARAMETER :: jps_fraqsr = 28 ! fraction of solar net radiation absorbed in the first ocean level
143	INTEGER, PARAMETER :: jps_a_p = 29 ! meltpond fraction
144	INTEGER, PARAMETER :: jps_ht_p = 30 ! meltpond depth (m)
145	INTEGER, PARAMETER :: jps_kice = 31 ! ice surface layer thermal conductivity
146	INTEGER, PARAMETER :: jps_sstfrz = 32 ! sea-surface freezing temperature
147	INTEGER, PARAMETER :: jps_fice1 = 33 ! first-order ice concentration (for time-travelling ice coupling)
148	INTEGER, PARAMETER :: jps_bio_co2 = 34 ! MEDUSA air-sea CO2 flux
149	INTEGER, PARAMETER :: jps_bio_dms = 35 ! MEDUSA DMS surface concentration
150	INTEGER, PARAMETER :: jps_bio_chloro = 36 ! MEDUSA chlorophyll surface concentration
151	INTEGER, PARAMETER :: jpsnd = 36 ! total number of fields sent
152
153	REAL(wp), PARAMETER :: dms_unit_conv = 1.0e+6 ! Coversion factor to get outgong DMS in standard units for coupling
154	! i.e. specifically nmol/L (= umol/m3)
155
156	! !! namelist namsbc_cpl
157	TYPE :: FLD_C
158	CHARACTER(len = 32) :: cldes ! desciption of the coupling strategy
159	CHARACTER(len = 32) :: clcat ! multiple ice categories strategy
160	CHARACTER(len = 32) :: clvref ! reference of vector ('spherical' or 'cartesian')
161	CHARACTER(len = 32) :: clvor ! orientation of vector fields ('eastward-northward' or 'local grid')
162	CHARACTER(len = 32) :: clvgrd ! grids on which is located the vector fields
163	END TYPE FLD_C
164	! Send to the atmosphere !
165	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
166	TYPE(FLD_C) :: sn_snd_bio_co2, sn_snd_bio_dms, sn_snd_bio_chloro
167
168	! Received from the atmosphere !
169	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
170	TYPE(FLD_C) :: sn_rcv_cal, sn_rcv_iceflx, sn_rcv_co2, sn_rcv_ts_ice, sn_rcv_grnm, sn_rcv_antm
171	TYPE(FLD_C) :: sn_rcv_atm_pco2, sn_rcv_atm_dust
172
173	! Other namelist parameters !
174	INTEGER :: nn_cplmodel ! Maximum number of models to/from which NEMO is potentialy sending/receiving data
175	LOGICAL :: ln_usecplmask ! use a coupling mask file to merge data received from several models
176	! -> file cplmask.nc with the float variable called cplmask (jpi,jpj,nn_cplmodel)
177	TYPE :: DYNARR
178	REAL(wp), POINTER, DIMENSION(:,:,:) :: z3
179	END TYPE DYNARR
180
181	TYPE( DYNARR ), SAVE, DIMENSION(jprcv) :: frcv ! all fields recieved from the atmosphere
182
183	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: albedo_oce_mix ! ocean albedo sent to atmosphere (mix clear/overcast sky)
184
185	INTEGER , ALLOCATABLE, SAVE, DIMENSION( :) :: nrcvinfo ! OASIS info argument
186
187	!! Substitution
188	# include "domzgr_substitute.h90"
189	# include "vectopt_loop_substitute.h90"
190	!!----------------------------------------------------------------------
191	!! NEMO/OPA 3.3 , NEMO Consortium (2010)
192	!! $Id$
193	!! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)
194	!!----------------------------------------------------------------------
195
196	CONTAINS
197
198	INTEGER FUNCTION sbc_cpl_alloc()
199	!!----------------------------------------------------------------------
200	!! * FUNCTION sbc_cpl_alloc *
201	!!----------------------------------------------------------------------
202	INTEGER :: ierr(3)
203	!!----------------------------------------------------------------------
204	ierr(:) = 0
205	!
206	ALLOCATE( albedo_oce_mix(jpi,jpj), nrcvinfo(jprcv), STAT=ierr(1) )
207
208	#if ! defined key_lim3 && ! defined key_lim2 && ! defined key_cice
209	ALLOCATE( a_i(jpi,jpj,1) , STAT=ierr(2) ) ! used in sbcice_if.F90 (done here as there is no sbc_ice_if_init)
210	#endif
211	!ALLOCATE( xcplmask(jpi,jpj,0:nn_cplmodel) , STAT=ierr(3) )
212	! Hardwire only two models as nn_cplmodel has not been read in
213	! from the namelist yet.
214	ALLOCATE( xcplmask(jpi,jpj,0:2) , STAT=ierr(3) )
215	!
216	sbc_cpl_alloc = MAXVAL( ierr )
217	IF( lk_mpp ) CALL mpp_sum ( sbc_cpl_alloc )
218	IF( sbc_cpl_alloc > 0 ) CALL ctl_warn('sbc_cpl_alloc: allocation of arrays failed')
219	!
220	END FUNCTION sbc_cpl_alloc
221
222
223	SUBROUTINE sbc_cpl_init( k_ice )
224	!!----------------------------------------------------------------------
225	!! * ROUTINE sbc_cpl_init *
226	!!
227	!! ** Purpose : Initialisation of send and received information from
228	!! the atmospheric component
229	!!
230	!! ** Method : * Read namsbc_cpl namelist
231	!! * define the receive interface
232	!! * define the send interface
233	!! * initialise the OASIS coupler
234	!!----------------------------------------------------------------------
235	INTEGER, INTENT(in) :: k_ice ! ice management in the sbc (=0/1/2/3)
236	!!
237	INTEGER :: jn ! dummy loop index
238	INTEGER :: ios ! Local integer output status for namelist read
239	INTEGER :: inum
240	REAL(wp), POINTER, DIMENSION(:,:) :: zacs, zaos
241	!!
242	NAMELIST/namsbc_cpl/ sn_snd_temp, sn_snd_alb , sn_snd_thick , sn_snd_crt , sn_snd_co2, &
243	& sn_snd_cond, sn_snd_mpnd , sn_snd_sstfrz, sn_snd_thick1, &
244	& sn_rcv_w10m, sn_rcv_taumod, sn_rcv_tau , sn_rcv_dqnsdt, sn_rcv_qsr, &
245	& sn_rcv_qns , sn_rcv_emp , sn_rcv_rnf , sn_rcv_cal , sn_rcv_iceflx, &
246	& sn_rcv_co2 , sn_rcv_grnm , sn_rcv_antm , sn_rcv_ts_ice, nn_cplmodel , &
247	& ln_usecplmask, nn_coupled_iceshelf_fluxes, ln_iceshelf_init_atmos, &
248	& rn_greenland_total_fw_flux, rn_greenland_calving_fraction, &
249	& rn_antarctica_total_fw_flux, rn_antarctica_calving_fraction, rn_iceshelf_fluxes_tolerance
250	!!---------------------------------------------------------------------
251
252	! Add MEDUSA related fields to namelist
253	NAMELIST/namsbc_cpl/ sn_snd_bio_co2, sn_snd_bio_dms, sn_snd_bio_chloro, &
254	& sn_rcv_atm_pco2, sn_rcv_atm_dust
255
256	!!---------------------------------------------------------------------
257
258	!
259	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_init')
260	!
261	CALL wrk_alloc( jpi,jpj, zacs, zaos )
262
263	! ================================ !
264	! Namelist informations !
265	! ================================ !
266
267	REWIND( numnam_ref ) ! Namelist namsbc_cpl in reference namelist : Variables for OASIS coupling
268	READ ( numnam_ref, namsbc_cpl, IOSTAT = ios, ERR = 901)
269	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_cpl in reference namelist', lwp )
270
271	REWIND( numnam_cfg ) ! Namelist namsbc_cpl in configuration namelist : Variables for OASIS coupling
272	READ ( numnam_cfg, namsbc_cpl, IOSTAT = ios, ERR = 902 )
273	902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_cpl in configuration namelist', lwp )
274	IF(lwm) WRITE ( numond, namsbc_cpl )
275
276	IF(lwp) THEN ! control print
277	WRITE(numout,*)
278	WRITE(numout,*)'sbc_cpl_init : namsbc_cpl namelist '
279	WRITE(numout,*)'~~~~~~~~~~~~'
280	ENDIF
281	IF( lwp .AND. ln_cpl ) THEN ! control print
282	WRITE(numout,*)' received fields (mutiple ice categories)'
283	WRITE(numout,*)' 10m wind module = ', TRIM(sn_rcv_w10m%cldes ), ' (', TRIM(sn_rcv_w10m%clcat ), ')'
284	WRITE(numout,*)' stress module = ', TRIM(sn_rcv_taumod%cldes), ' (', TRIM(sn_rcv_taumod%clcat), ')'
285	WRITE(numout,*)' surface stress = ', TRIM(sn_rcv_tau%cldes ), ' (', TRIM(sn_rcv_tau%clcat ), ')'
286	WRITE(numout,*)' - referential = ', sn_rcv_tau%clvref
287	WRITE(numout,*)' - orientation = ', sn_rcv_tau%clvor
288	WRITE(numout,*)' - mesh = ', sn_rcv_tau%clvgrd
289	WRITE(numout,*)' non-solar heat flux sensitivity = ', TRIM(sn_rcv_dqnsdt%cldes), ' (', TRIM(sn_rcv_dqnsdt%clcat), ')'
290	WRITE(numout,*)' solar heat flux = ', TRIM(sn_rcv_qsr%cldes ), ' (', TRIM(sn_rcv_qsr%clcat ), ')'
291	WRITE(numout,*)' non-solar heat flux = ', TRIM(sn_rcv_qns%cldes ), ' (', TRIM(sn_rcv_qns%clcat ), ')'
292	WRITE(numout,*)' freshwater budget = ', TRIM(sn_rcv_emp%cldes ), ' (', TRIM(sn_rcv_emp%clcat ), ')'
293	WRITE(numout,*)' runoffs = ', TRIM(sn_rcv_rnf%cldes ), ' (', TRIM(sn_rcv_rnf%clcat ), ')'
294	WRITE(numout,*)' calving = ', TRIM(sn_rcv_cal%cldes ), ' (', TRIM(sn_rcv_cal%clcat ), ')'
295	WRITE(numout,*)' Greenland ice mass = ', TRIM(sn_rcv_grnm%cldes ), ' (', TRIM(sn_rcv_grnm%clcat ), ')'
296	WRITE(numout,*)' Antarctica ice mass = ', TRIM(sn_rcv_antm%cldes ), ' (', TRIM(sn_rcv_antm%clcat ), ')'
297	WRITE(numout,*)' sea ice heat fluxes = ', TRIM(sn_rcv_iceflx%cldes), ' (', TRIM(sn_rcv_iceflx%clcat), ')'
298	WRITE(numout,*)' atm co2 = ', TRIM(sn_rcv_co2%cldes ), ' (', TRIM(sn_rcv_co2%clcat ), ')'
299	WRITE(numout,*)' atm pco2 = ', TRIM(sn_rcv_atm_pco2%cldes), ' (', TRIM(sn_rcv_atm_pco2%clcat), ')'
300	WRITE(numout,*)' atm dust = ', TRIM(sn_rcv_atm_dust%cldes), ' (', TRIM(sn_rcv_atm_dust%clcat), ')'
301	WRITE(numout,*)' sent fields (multiple ice categories)'
302	WRITE(numout,*)' surface temperature = ', TRIM(sn_snd_temp%cldes ), ' (', TRIM(sn_snd_temp%clcat ), ')'
303	WRITE(numout,*)' albedo = ', TRIM(sn_snd_alb%cldes ), ' (', TRIM(sn_snd_alb%clcat ), ')'
304	WRITE(numout,*)' ice/snow thickness = ', TRIM(sn_snd_thick%cldes ), ' (', TRIM(sn_snd_thick%clcat ), ')'
305	WRITE(numout,*)' surface current = ', TRIM(sn_snd_crt%cldes ), ' (', TRIM(sn_snd_crt%clcat ), ')'
306	WRITE(numout,*)' - referential = ', sn_snd_crt%clvref
307	WRITE(numout,*)' - orientation = ', sn_snd_crt%clvor
308	WRITE(numout,*)' - mesh = ', sn_snd_crt%clvgrd
309	WRITE(numout,*)' bio co2 flux = ', TRIM(sn_snd_bio_co2%cldes), ' (', TRIM(sn_snd_bio_co2%clcat), ')'
310	WRITE(numout,*)' bio dms flux = ', TRIM(sn_snd_bio_dms%cldes), ' (', TRIM(sn_snd_bio_dms%clcat), ')'
311	WRITE(numout,*)' bio dms chlorophyll = ', TRIM(sn_snd_bio_chloro%cldes), ' (', TRIM(sn_snd_bio_chloro%clcat), ')'
312	WRITE(numout,*)' oce co2 flux = ', TRIM(sn_snd_co2%cldes ), ' (', TRIM(sn_snd_co2%clcat ), ')'
313	WRITE(numout,*)' ice effective conductivity = ', TRIM(sn_snd_cond%cldes ), ' (', TRIM(sn_snd_cond%clcat ), ')'
314	WRITE(numout,*)' meltponds fraction & depth = ', TRIM(sn_snd_mpnd%cldes ), ' (', TRIM(sn_snd_mpnd%clcat ), ')'
315	WRITE(numout,*)' sea surface freezing temp = ', TRIM(sn_snd_sstfrz%cldes ), ' (', TRIM(sn_snd_sstfrz%clcat ), ')'
316
317	WRITE(numout,*)' nn_cplmodel = ', nn_cplmodel
318	WRITE(numout,*)' ln_usecplmask = ', ln_usecplmask
319	WRITE(numout,*)' nn_coupled_iceshelf_fluxes = ', nn_coupled_iceshelf_fluxes
320	WRITE(numout,*)' ln_iceshelf_init_atmos = ', ln_iceshelf_init_atmos
321	WRITE(numout,*)' rn_greenland_total_fw_flux = ', rn_greenland_total_fw_flux
322	WRITE(numout,*)' rn_antarctica_total_fw_flux = ', rn_antarctica_total_fw_flux
323	WRITE(numout,*)' rn_greenland_calving_fraction = ', rn_greenland_calving_fraction
324	WRITE(numout,*)' rn_antarctica_calving_fraction = ', rn_antarctica_calving_fraction
325	WRITE(numout,*)' rn_iceshelf_fluxes_tolerance = ', rn_iceshelf_fluxes_tolerance
326	ENDIF
327
328	! ! allocate sbccpl arrays
329	!IF( sbc_cpl_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_cpl_alloc : unable to allocate arrays' )
330
331	! ================================ !
332	! Define the receive interface !
333	! ================================ !
334	nrcvinfo(:) = OASIS_idle ! needed by nrcvinfo(jpr_otx1) if we do not receive ocean stress
335
336	! for each field: define the OASIS name (srcv(:)%clname)
337	! define receive or not from the namelist parameters (srcv(:)%laction)
338	! define the north fold type of lbc (srcv(:)%nsgn)
339
340	! default definitions of srcv
341	srcv(:)%laction = .FALSE. ; srcv(:)%clgrid = 'T' ; srcv(:)%nsgn = 1. ; srcv(:)%nct = 1 ; srcv(:)%dimensions = 2
342
343	! ! ------------------------- !
344	! ! ice and ocean wind stress !
345	! ! ------------------------- !
346	! ! Name
347	srcv(jpr_otx1)%clname = 'O_OTaux1' ! 1st ocean component on grid ONE (T or U)
348	srcv(jpr_oty1)%clname = 'O_OTauy1' ! 2nd - - - -
349	srcv(jpr_otz1)%clname = 'O_OTauz1' ! 3rd - - - -
350	srcv(jpr_otx2)%clname = 'O_OTaux2' ! 1st ocean component on grid TWO (V)
351	srcv(jpr_oty2)%clname = 'O_OTauy2' ! 2nd - - - -
352	srcv(jpr_otz2)%clname = 'O_OTauz2' ! 3rd - - - -
353	!
354	srcv(jpr_itx1)%clname = 'O_ITaux1' ! 1st ice component on grid ONE (T, F, I or U)
355	srcv(jpr_ity1)%clname = 'O_ITauy1' ! 2nd - - - -
356	srcv(jpr_itz1)%clname = 'O_ITauz1' ! 3rd - - - -
357	srcv(jpr_itx2)%clname = 'O_ITaux2' ! 1st ice component on grid TWO (V)
358	srcv(jpr_ity2)%clname = 'O_ITauy2' ! 2nd - - - -
359	srcv(jpr_itz2)%clname = 'O_ITauz2' ! 3rd - - - -
360	!
361	! Vectors: change of sign at north fold ONLY if on the local grid
362	IF( TRIM( sn_rcv_tau%clvor ) == 'local grid' ) srcv(jpr_otx1:jpr_itz2)%nsgn = -1.
363
364	! ! Set grid and action
365	SELECT CASE( TRIM( sn_rcv_tau%clvgrd ) ) ! 'T', 'U,V', 'U,V,I', 'U,V,F', 'T,I', 'T,F', or 'T,U,V'
366	CASE( 'T' )
367	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
368	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
369	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
370	CASE( 'U,V' )
371	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
372	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
373	srcv(jpr_itx1:jpr_itz1)%clgrid = 'U' ! ice components given at U-point
374	srcv(jpr_itx2:jpr_itz2)%clgrid = 'V' ! and V-point
375	srcv(jpr_otx1:jpr_itz2)%laction = .TRUE. ! receive oce and ice components on both grid 1 & 2
376	CASE( 'U,V,T' )
377	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
378	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
379	srcv(jpr_itx1:jpr_itz1)%clgrid = 'T' ! ice components given at T-point
380	srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
381	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
382	CASE( 'U,V,I' )
383	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
384	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
385	srcv(jpr_itx1:jpr_itz1)%clgrid = 'I' ! ice components given at I-point
386	srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
387	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
388	CASE( 'U,V,F' )
389	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
390	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
391	srcv(jpr_itx1:jpr_itz1)%clgrid = 'F' ! ice components given at F-point
392	!srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
393	! Currently needed for HadGEM3 - but shouldn't affect anyone else for the moment
394	srcv(jpr_otx1)%laction = .TRUE.
395	srcv(jpr_oty1)%laction = .TRUE.
396	!
397	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
398	CASE( 'T,I' )
399	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
400	srcv(jpr_itx1:jpr_itz1)%clgrid = 'I' ! ice components given at I-point
401	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
402	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
403	CASE( 'T,F' )
404	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
405	srcv(jpr_itx1:jpr_itz1)%clgrid = 'F' ! ice components given at F-point
406	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
407	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
408	CASE( 'T,U,V' )
409	srcv(jpr_otx1:jpr_otz1)%clgrid = 'T' ! oce components given at T-point
410	srcv(jpr_itx1:jpr_itz1)%clgrid = 'U' ! ice components given at U-point
411	srcv(jpr_itx2:jpr_itz2)%clgrid = 'V' ! and V-point
412	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1 only
413	srcv(jpr_itx1:jpr_itz2)%laction = .TRUE. ! receive ice components on grid 1 & 2
414	CASE default
415	CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_tau%clvgrd' )
416	END SELECT
417	!
418	IF( TRIM( sn_rcv_tau%clvref ) == 'spherical' ) & ! spherical: 3rd component not received
419	& srcv( (/jpr_otz1, jpr_otz2, jpr_itz1, jpr_itz2/) )%laction = .FALSE.
420	!
421	IF( TRIM( sn_rcv_tau%clvor ) == 'local grid' ) THEN ! already on local grid -> no need of the second grid
422	srcv(jpr_otx2:jpr_otz2)%laction = .FALSE.
423	srcv(jpr_itx2:jpr_itz2)%laction = .FALSE.
424	srcv(jpr_oty1)%clgrid = srcv(jpr_oty2)%clgrid ! not needed but cleaner...
425	srcv(jpr_ity1)%clgrid = srcv(jpr_ity2)%clgrid ! not needed but cleaner...
426	ENDIF
427	!
428	IF( TRIM( sn_rcv_tau%cldes ) /= 'oce and ice' ) THEN ! 'oce and ice' case ocean stress on ocean mesh used
429	srcv(jpr_itx1:jpr_itz2)%laction = .FALSE. ! ice components not received
430	srcv(jpr_itx1)%clgrid = 'U' ! ocean stress used after its transformation
431	srcv(jpr_ity1)%clgrid = 'V' ! i.e. it is always at U- & V-points for i- & j-comp. resp.
432	ENDIF
433
434	! ! ------------------------- !
435	! ! freshwater budget ! E-P
436	! ! ------------------------- !
437	! we suppose that atmosphere modele do not make the difference between precipiration (liquide or solid)
438	! over ice of free ocean within the same atmospheric cell.cd
439	srcv(jpr_rain)%clname = 'OTotRain' ! Rain = liquid precipitation
440	srcv(jpr_snow)%clname = 'OTotSnow' ! Snow = solid precipitation
441	srcv(jpr_tevp)%clname = 'OTotEvap' ! total evaporation (over oce + ice sublimation)
442	srcv(jpr_ievp)%clname = 'OIceEvp' ! evaporation over ice = sublimation
443	srcv(jpr_sbpr)%clname = 'OSubMPre' ! sublimation - liquid precipitation - solid precipitation
444	srcv(jpr_semp)%clname = 'OISubMSn' ! ice solid water budget = sublimation - solid precipitation
445	srcv(jpr_oemp)%clname = 'OOEvaMPr' ! ocean water budget = ocean Evap - ocean precip
446	SELECT CASE( TRIM( sn_rcv_emp%cldes ) )
447	CASE( 'none' ) ! nothing to do
448	CASE( 'oce only' ) ; srcv( jpr_oemp )%laction = .TRUE.
449	CASE( 'conservative' )
450	srcv( (/jpr_rain, jpr_snow, jpr_ievp, jpr_tevp/) )%laction = .TRUE.
451	IF ( k_ice <= 1 ) srcv(jpr_ievp)%laction = .FALSE.
452	CASE( 'oce and ice' ) ; srcv( (/jpr_ievp, jpr_sbpr, jpr_semp, jpr_oemp/) )%laction = .TRUE.
453	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_emp%cldes' )
454	END SELECT
455	!Set the number of categories for coupling of sublimation
456	IF ( TRIM( sn_rcv_emp%clcat ) == 'yes' ) srcv(jpr_ievp)%nct = jpl
457	!
458	! ! ------------------------- !
459	! ! Runoffs & Calving !
460	! ! ------------------------- !
461	srcv(jpr_rnf )%clname = 'O_Runoff'
462	IF( TRIM( sn_rcv_rnf%cldes ) == 'coupled' ) THEN
463	srcv(jpr_rnf)%laction = .TRUE.
464	l_rnfcpl = .TRUE. ! -> no need to read runoffs in sbcrnf
465	ln_rnf = nn_components /= jp_iam_sas ! -> force to go through sbcrnf if not sas
466	IF(lwp) WRITE(numout,*)
467	IF(lwp) WRITE(numout,*) ' runoffs received from oasis -> force ln_rnf = ', ln_rnf
468	ENDIF
469	!
470	srcv(jpr_cal )%clname = 'OCalving'
471	IF( TRIM( sn_rcv_cal%cldes ) == 'coupled' ) srcv(jpr_cal)%laction = .TRUE.
472	srcv(jpr_grnm )%clname = 'OGrnmass'
473	srcv(jpr_grnm )%dimensions = 0 ! Scalar field
474	write(numout,*) "RSRH set up grnmss dimension:"
475
476
477	IF( TRIM( sn_rcv_grnm%cldes ) == 'coupled' ) srcv(jpr_grnm)%laction = .TRUE.
478	srcv(jpr_antm )%clname = 'OAntmass'
479	srcv(jpr_antm )%dimensions = 0 ! Scalar field
480	IF( TRIM( sn_rcv_antm%cldes ) == 'coupled' ) srcv(jpr_antm)%laction = .TRUE.
481
482
483	! ! ------------------------- !
484	! ! non solar radiation ! Qns
485	! ! ------------------------- !
486	srcv(jpr_qnsoce)%clname = 'O_QnsOce'
487	srcv(jpr_qnsice)%clname = 'O_QnsIce'
488	srcv(jpr_qnsmix)%clname = 'O_QnsMix'
489	SELECT CASE( TRIM( sn_rcv_qns%cldes ) )
490	CASE( 'none' ) ! nothing to do
491	CASE( 'oce only' ) ; srcv( jpr_qnsoce )%laction = .TRUE.
492	CASE( 'conservative' ) ; srcv( (/jpr_qnsice, jpr_qnsmix/) )%laction = .TRUE.
493	CASE( 'oce and ice' ) ; srcv( (/jpr_qnsice, jpr_qnsoce/) )%laction = .TRUE.
494	CASE( 'mixed oce-ice' ) ; srcv( jpr_qnsmix )%laction = .TRUE.
495	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_qns%cldes' )
496	END SELECT
497	IF( TRIM( sn_rcv_qns%cldes ) == 'mixed oce-ice' .AND. jpl > 1 ) &
498	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_qns%cldes not currently allowed to be mixed oce-ice for multi-category ice' )
499	! ! ------------------------- !
500	! ! solar radiation ! Qsr
501	! ! ------------------------- !
502	srcv(jpr_qsroce)%clname = 'O_QsrOce'
503	srcv(jpr_qsrice)%clname = 'O_QsrIce'
504	srcv(jpr_qsrmix)%clname = 'O_QsrMix'
505	SELECT CASE( TRIM( sn_rcv_qsr%cldes ) )
506	CASE( 'none' ) ! nothing to do
507	CASE( 'oce only' ) ; srcv( jpr_qsroce )%laction = .TRUE.
508	CASE( 'conservative' ) ; srcv( (/jpr_qsrice, jpr_qsrmix/) )%laction = .TRUE.
509	CASE( 'oce and ice' ) ; srcv( (/jpr_qsrice, jpr_qsroce/) )%laction = .TRUE.
510	CASE( 'mixed oce-ice' ) ; srcv( jpr_qsrmix )%laction = .TRUE.
511	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_qsr%cldes' )
512	END SELECT
513	IF( TRIM( sn_rcv_qsr%cldes ) == 'mixed oce-ice' .AND. jpl > 1 ) &
514	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_qsr%cldes not currently allowed to be mixed oce-ice for multi-category ice' )
515	! ! ------------------------- !
516	! ! non solar sensitivity ! d(Qns)/d(T)
517	! ! ------------------------- !
518	srcv(jpr_dqnsdt)%clname = 'O_dQnsdT'
519	IF( TRIM( sn_rcv_dqnsdt%cldes ) == 'coupled' ) srcv(jpr_dqnsdt)%laction = .TRUE.
520	!
521	! non solar sensitivity mandatory for LIM ice model
522	IF( TRIM( sn_rcv_dqnsdt%cldes ) == 'none' .AND. k_ice /= 0 .AND. k_ice /= 4 .AND. nn_components /= jp_iam_sas ) &
523	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_dqnsdt%cldes must be coupled in namsbc_cpl namelist' )
524	! non solar sensitivity mandatory for mixed oce-ice solar radiation coupling technique
525	IF( TRIM( sn_rcv_dqnsdt%cldes ) == 'none' .AND. TRIM( sn_rcv_qns%cldes ) == 'mixed oce-ice' ) &
526	CALL ctl_stop( 'sbc_cpl_init: namsbc_cpl namelist mismatch between sn_rcv_qns%cldes and sn_rcv_dqnsdt%cldes' )
527	! ! ------------------------- !
528	! ! 10m wind module !
529	! ! ------------------------- !
530	srcv(jpr_w10m)%clname = 'O_Wind10' ; IF( TRIM(sn_rcv_w10m%cldes ) == 'coupled' ) srcv(jpr_w10m)%laction = .TRUE.
531	!
532	! ! ------------------------- !
533	! ! wind stress module !
534	! ! ------------------------- !
535	srcv(jpr_taum)%clname = 'O_TauMod' ; IF( TRIM(sn_rcv_taumod%cldes) == 'coupled' ) srcv(jpr_taum)%laction = .TRUE.
536	lhftau = srcv(jpr_taum)%laction
537
538	! ! ------------------------- !
539	! ! Atmospheric CO2 !
540	! ! ------------------------- !
541	srcv(jpr_co2 )%clname = 'O_AtmCO2' ; IF( TRIM(sn_rcv_co2%cldes ) == 'coupled' ) srcv(jpr_co2 )%laction = .TRUE.
542
543
544	! ! --------------------------------------- !
545	! ! Incoming CO2 and DUST fluxes for MEDUSA !
546	! ! --------------------------------------- !
547	srcv(jpr_atm_pco2)%clname = 'OATMPCO2'
548
549	IF (TRIM(sn_rcv_atm_pco2%cldes) == 'medusa') THEN
550	srcv(jpr_atm_pco2)%laction = .TRUE.
551	END IF
552
553	srcv(jpr_atm_dust)%clname = 'OATMDUST'
554	IF (TRIM(sn_rcv_atm_dust%cldes) == 'medusa') THEN
555	srcv(jpr_atm_dust)%laction = .TRUE.
556	END IF
557
558	! ! ------------------------- !
559	! ! topmelt and botmelt !
560	! ! ------------------------- !
561	srcv(jpr_topm )%clname = 'OTopMlt'
562	srcv(jpr_botm )%clname = 'OBotMlt'
563	IF( TRIM(sn_rcv_iceflx%cldes) == 'coupled' ) THEN
564	IF ( TRIM( sn_rcv_iceflx%clcat ) == 'yes' ) THEN
565	srcv(jpr_topm:jpr_botm)%nct = jpl
566	ELSE
567	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_iceflx%clcat should always be set to yes currently' )
568	ENDIF
569	srcv(jpr_topm:jpr_botm)%laction = .TRUE.
570	ENDIF
571
572	#if defined key_cice && ! defined key_cice4
573	! ! ----------------------------- !
574	! ! sea-ice skin temperature !
575	! ! used in meltpond scheme !
576	! ! May be calculated in Atm !
577	! ! ----------------------------- !
578	srcv(jpr_ts_ice)%clname = 'OTsfIce'
579	IF ( TRIM( sn_rcv_ts_ice%cldes ) == 'ice' ) srcv(jpr_ts_ice)%laction = .TRUE.
580	IF ( TRIM( sn_rcv_ts_ice%clcat ) == 'yes' ) srcv(jpr_ts_ice)%nct = jpl
581	!TODO: Should there be a consistency check here?
582	#endif
583
584	! ! ------------------------------- !
585	! ! OPA-SAS coupling - rcv by opa !
586	! ! ------------------------------- !
587	srcv(jpr_sflx)%clname = 'O_SFLX'
588	srcv(jpr_fice)%clname = 'RIceFrc'
589	!
590	IF( nn_components == jp_iam_opa ) THEN ! OPA coupled to SAS via OASIS: force received field by OPA (sent by SAS)
591	srcv(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
592	srcv(:)%clgrid = 'T' ! force default definition in case of opa <-> sas coupling
593	srcv(:)%nsgn = 1. ! force default definition in case of opa <-> sas coupling
594	srcv( (/jpr_qsroce, jpr_qnsoce, jpr_oemp, jpr_sflx, jpr_fice, jpr_otx1, jpr_oty1, jpr_taum/) )%laction = .TRUE.
595	srcv(jpr_otx1)%clgrid = 'U' ! oce components given at U-point
596	srcv(jpr_oty1)%clgrid = 'V' ! and V-point
597	! Vectors: change of sign at north fold ONLY if on the local grid
598	srcv( (/jpr_otx1,jpr_oty1/) )%nsgn = -1.
599	sn_rcv_tau%clvgrd = 'U,V'
600	sn_rcv_tau%clvor = 'local grid'
601	sn_rcv_tau%clvref = 'spherical'
602	sn_rcv_emp%cldes = 'oce only'
603	!
604	IF(lwp) THEN ! control print
605	WRITE(numout,*)
606	WRITE(numout,*)' Special conditions for SAS-OPA coupling '
607	WRITE(numout,*)' OPA component '
608	WRITE(numout,*)
609	WRITE(numout,*)' received fields from SAS component '
610	WRITE(numout,*)' ice cover '
611	WRITE(numout,*)' oce only EMP '
612	WRITE(numout,*)' salt flux '
613	WRITE(numout,*)' mixed oce-ice solar flux '
614	WRITE(numout,*)' mixed oce-ice non solar flux '
615	WRITE(numout,*)' wind stress U,V on local grid and sperical coordinates '
616	WRITE(numout,*)' wind stress module'
617	WRITE(numout,*)
618	ENDIF
619	ENDIF
620	! ! -------------------------------- !
621	! ! OPA-SAS coupling - rcv by sas !
622	! ! -------------------------------- !
623	srcv(jpr_toce )%clname = 'I_SSTSST'
624	srcv(jpr_soce )%clname = 'I_SSSal'
625	srcv(jpr_ocx1 )%clname = 'I_OCurx1'
626	srcv(jpr_ocy1 )%clname = 'I_OCury1'
627	srcv(jpr_ssh )%clname = 'I_SSHght'
628	srcv(jpr_e3t1st)%clname = 'I_E3T1st'
629	srcv(jpr_fraqsr)%clname = 'I_FraQsr'
630	!
631	IF( nn_components == jp_iam_sas ) THEN
632	IF( .NOT. ln_cpl ) srcv(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
633	IF( .NOT. ln_cpl ) srcv(:)%clgrid = 'T' ! force default definition in case of opa <-> sas coupling
634	IF( .NOT. ln_cpl ) srcv(:)%nsgn = 1. ! force default definition in case of opa <-> sas coupling
635	srcv( (/jpr_toce, jpr_soce, jpr_ssh, jpr_fraqsr, jpr_ocx1, jpr_ocy1/) )%laction = .TRUE.
636	srcv( jpr_e3t1st )%laction = lk_vvl
637	srcv(jpr_ocx1)%clgrid = 'U' ! oce components given at U-point
638	srcv(jpr_ocy1)%clgrid = 'V' ! and V-point
639	! Vectors: change of sign at north fold ONLY if on the local grid
640	srcv(jpr_ocx1:jpr_ocy1)%nsgn = -1.
641	! Change first letter to couple with atmosphere if already coupled OPA
642	! this is nedeed as each variable name used in the namcouple must be unique:
643	! for example O_Runoff received by OPA from SAS and therefore O_Runoff received by SAS from the Atmosphere
644	DO jn = 1, jprcv
645	IF ( srcv(jn)%clname(1:1) == "O" ) srcv(jn)%clname = "S"//srcv(jn)%clname(2:LEN(srcv(jn)%clname))
646	END DO
647	!
648	IF(lwp) THEN ! control print
649	WRITE(numout,*)
650	WRITE(numout,*)' Special conditions for SAS-OPA coupling '
651	WRITE(numout,*)' SAS component '
652	WRITE(numout,*)
653	IF( .NOT. ln_cpl ) THEN
654	WRITE(numout,*)' received fields from OPA component '
655	ELSE
656	WRITE(numout,*)' Additional received fields from OPA component : '
657	ENDIF
658	WRITE(numout,*)' sea surface temperature (Celcius) '
659	WRITE(numout,*)' sea surface salinity '
660	WRITE(numout,*)' surface currents '
661	WRITE(numout,*)' sea surface height '
662	WRITE(numout,*)' thickness of first ocean T level '
663	WRITE(numout,*)' fraction of solar net radiation absorbed in the first ocean level'
664	WRITE(numout,*)
665	ENDIF
666	ENDIF
667
668	! =================================================== !
669	! Allocate all parts of frcv used for received fields !
670	! =================================================== !
671	DO jn = 1, jprcv
672
673	IF ( srcv(jn)%laction ) THEN
674	IF ( srcv(jn)%dimensions == 0 ) THEN
675	WRITE(numout,*) "RSRH allocate zero dim field z3",jn ; flush(numout)
676
677	! We have a scalar field
678	ALLOCATE( frcv(jn)%z3(1,1,1) )
679	ELSE
680	WRITE(numout,*) "RSRH allocate 2 dim field z3",jn,srcv(jn)%nct ; flush(numout)
681	! We have a "normal" 2D (or pseudo 3D) field.
682	ALLOCATE( frcv(jn)%z3(jpi,jpj,srcv(jn)%nct) )
683	END IF
684	END IF
685
686	END DO
687	! Allocate taum part of frcv which is used even when not received as coupling field
688	IF ( .NOT. srcv(jpr_taum)%laction ) ALLOCATE( frcv(jpr_taum)%z3(jpi,jpj,srcv(jpr_taum)%nct) )
689	! Allocate w10m part of frcv which is used even when not received as coupling field
690	IF ( .NOT. srcv(jpr_w10m)%laction ) ALLOCATE( frcv(jpr_w10m)%z3(jpi,jpj,srcv(jpr_w10m)%nct) )
691	! Allocate jpr_otx1 part of frcv which is used even when not received as coupling field
692	IF ( .NOT. srcv(jpr_otx1)%laction ) ALLOCATE( frcv(jpr_otx1)%z3(jpi,jpj,srcv(jpr_otx1)%nct) )
693	IF ( .NOT. srcv(jpr_oty1)%laction ) ALLOCATE( frcv(jpr_oty1)%z3(jpi,jpj,srcv(jpr_oty1)%nct) )
694	! Allocate itx1 and ity1 as they are used in sbc_cpl_ice_tau even if srcv(jpr_itx1)%laction = .FALSE.
695	IF( k_ice /= 0 ) THEN
696	IF ( .NOT. srcv(jpr_itx1)%laction ) ALLOCATE( frcv(jpr_itx1)%z3(jpi,jpj,srcv(jpr_itx1)%nct) )
697	IF ( .NOT. srcv(jpr_ity1)%laction ) ALLOCATE( frcv(jpr_ity1)%z3(jpi,jpj,srcv(jpr_ity1)%nct) )
698	END IF
699
700	! ================================ !
701	! Define the send interface !
702	! ================================ !
703	! for each field: define the OASIS name (ssnd(:)%clname)
704	! define send or not from the namelist parameters (ssnd(:)%laction)
705	! define the north fold type of lbc (ssnd(:)%nsgn)
706
707	! default definitions of nsnd
708	ssnd(:)%laction = .FALSE. ; ssnd(:)%clgrid = 'T' ; ssnd(:)%nsgn = 1. ; ssnd(:)%nct = 1 ; ssnd(:)%dimensions = 2
709
710	! ! ------------------------- !
711	! ! Surface temperature !
712	! ! ------------------------- !
713	ssnd(jps_toce)%clname = 'O_SSTSST'
714	ssnd(jps_tice)%clname = 'OTepIce'
715	ssnd(jps_tmix)%clname = 'O_TepMix'
716	SELECT CASE( TRIM( sn_snd_temp%cldes ) )
717	CASE( 'none' ) ! nothing to do
718	CASE( 'oce only' ) ; ssnd( jps_toce )%laction = .TRUE.
719	CASE( 'oce and ice' , 'weighted oce and ice' , 'oce and weighted ice')
720	ssnd( (/jps_toce, jps_tice/) )%laction = .TRUE.
721	IF ( TRIM( sn_snd_temp%clcat ) == 'yes' ) ssnd(jps_tice)%nct = jpl
722	CASE( 'mixed oce-ice' ) ; ssnd( jps_tmix )%laction = .TRUE.
723	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_temp%cldes' )
724	END SELECT
725
726	! ! ------------------------- !
727	! ! Albedo !
728	! ! ------------------------- !
729	ssnd(jps_albice)%clname = 'O_AlbIce'
730	ssnd(jps_albmix)%clname = 'O_AlbMix'
731	SELECT CASE( TRIM( sn_snd_alb%cldes ) )
732	CASE( 'none' ) ! nothing to do
733	CASE( 'ice' , 'weighted ice' ) ; ssnd(jps_albice)%laction = .TRUE.
734	CASE( 'mixed oce-ice' ) ; ssnd(jps_albmix)%laction = .TRUE.
735	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_alb%cldes' )
736	END SELECT
737	!
738	! Need to calculate oceanic albedo if
739	! 1. sending mixed oce-ice albedo or
740	! 2. receiving mixed oce-ice solar radiation
741	IF ( TRIM ( sn_snd_alb%cldes ) == 'mixed oce-ice' .OR. TRIM ( sn_rcv_qsr%cldes ) == 'mixed oce-ice' ) THEN
742	CALL albedo_oce( zaos, zacs )
743	! Due to lack of information on nebulosity : mean clear/overcast sky
744	albedo_oce_mix(:,:) = ( zacs(:,:) + zaos(:,:) ) * 0.5
745	ENDIF
746
747	! ! ------------------------- !
748	! ! Ice fraction & Thickness
749	! ! ------------------------- !
750	ssnd(jps_fice)%clname = 'OIceFrc'
751	ssnd(jps_hice)%clname = 'OIceTck'
752	ssnd(jps_hsnw)%clname = 'OSnwTck'
753	ssnd(jps_a_p)%clname = 'OPndFrc'
754	ssnd(jps_ht_p)%clname = 'OPndTck'
755	ssnd(jps_fice1)%clname = 'OIceFrd'
756	IF( k_ice /= 0 ) THEN
757	ssnd(jps_fice)%laction = .TRUE. ! if ice treated in the ocean (even in climato case)
758	ssnd(jps_fice1)%laction = .TRUE. ! First-order regridded ice concentration, to be used
759	! in producing atmos-to-ice fluxes
760	! Currently no namelist entry to determine sending of multi-category ice fraction so use the thickness entry for now
761	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) ssnd(jps_fice)%nct = jpl
762	IF ( TRIM( sn_snd_thick1%clcat ) == 'yes' ) ssnd(jps_fice1)%nct = jpl
763	ENDIF
764
765	SELECT CASE ( TRIM( sn_snd_thick%cldes ) )
766	CASE( 'none' ) ! nothing to do
767	CASE( 'ice and snow' )
768	ssnd(jps_hice:jps_hsnw)%laction = .TRUE.
769	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) THEN
770	ssnd(jps_hice:jps_hsnw)%nct = jpl
771	ENDIF
772	CASE ( 'weighted ice and snow' )
773	ssnd(jps_hice:jps_hsnw)%laction = .TRUE.
774	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) ssnd(jps_hice:jps_hsnw)%nct = jpl
775	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_thick%cldes' )
776	END SELECT
777
778	! ! ------------------------- !
779	! ! Ice Meltponds !
780	! ! ------------------------- !
781	#if defined key_cice && ! defined key_cice4
782	! Meltponds only CICE5
783	ssnd(jps_a_p)%clname = 'OPndFrc'
784	ssnd(jps_ht_p)%clname = 'OPndTck'
785	SELECT CASE ( TRIM( sn_snd_mpnd%cldes ) )
786	CASE ( 'none' )
787	ssnd(jps_a_p)%laction = .FALSE.
788	ssnd(jps_ht_p)%laction = .FALSE.
789	CASE ( 'ice only' )
790	ssnd(jps_a_p)%laction = .TRUE.
791	ssnd(jps_ht_p)%laction = .TRUE.
792	IF ( TRIM( sn_snd_mpnd%clcat ) == 'yes' ) THEN
793	ssnd(jps_a_p)%nct = jpl
794	ssnd(jps_ht_p)%nct = jpl
795	ELSE
796	IF ( jpl > 1 ) THEN
797	CALL ctl_stop( 'sbc_cpl_init: use weighted ice option for sn_snd_mpnd%cldes if not exchanging category fields' )
798	ENDIF
799	ENDIF
800	CASE ( 'weighted ice' )
801	ssnd(jps_a_p)%laction = .TRUE.
802	ssnd(jps_ht_p)%laction = .TRUE.
803	IF ( TRIM( sn_snd_mpnd%clcat ) == 'yes' ) THEN
804	ssnd(jps_a_p)%nct = jpl
805	ssnd(jps_ht_p)%nct = jpl
806	ENDIF
807	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_mpnd%cldes' )
808	END SELECT
809	#else
810	IF( TRIM( sn_snd_mpnd%cldes ) /= 'none' ) THEN
811	CALL ctl_stop('Meltponds can only be used with CICEv5')
812	ENDIF
813	#endif
814
815	! ! ------------------------- !
816	! ! Surface current !
817	! ! ------------------------- !
818	! ocean currents ! ice velocities
819	ssnd(jps_ocx1)%clname = 'O_OCurx1' ; ssnd(jps_ivx1)%clname = 'O_IVelx1'
820	ssnd(jps_ocy1)%clname = 'O_OCury1' ; ssnd(jps_ivy1)%clname = 'O_IVely1'
821	ssnd(jps_ocz1)%clname = 'O_OCurz1' ; ssnd(jps_ivz1)%clname = 'O_IVelz1'
822	!
823	ssnd(jps_ocx1:jps_ivz1)%nsgn = -1. ! vectors: change of the sign at the north fold
824
825	IF( sn_snd_crt%clvgrd == 'U,V' ) THEN
826	ssnd(jps_ocx1)%clgrid = 'U' ; ssnd(jps_ocy1)%clgrid = 'V'
827	ELSE IF( sn_snd_crt%clvgrd /= 'T' ) THEN
828	CALL ctl_stop( 'sn_snd_crt%clvgrd must be equal to T' )
829	ssnd(jps_ocx1:jps_ivz1)%clgrid = 'T' ! all oce and ice components on the same unique grid
830	ENDIF
831	ssnd(jps_ocx1:jps_ivz1)%laction = .TRUE. ! default: all are send
832	IF( TRIM( sn_snd_crt%clvref ) == 'spherical' ) ssnd( (/jps_ocz1, jps_ivz1/) )%laction = .FALSE.
833	IF( TRIM( sn_snd_crt%clvor ) == 'eastward-northward' ) ssnd(jps_ocx1:jps_ivz1)%nsgn = 1.
834	SELECT CASE( TRIM( sn_snd_crt%cldes ) )
835	CASE( 'none' ) ; ssnd(jps_ocx1:jps_ivz1)%laction = .FALSE.
836	CASE( 'oce only' ) ; ssnd(jps_ivx1:jps_ivz1)%laction = .FALSE.
837	CASE( 'weighted oce and ice' ) ! nothing to do
838	CASE( 'mixed oce-ice' ) ; ssnd(jps_ivx1:jps_ivz1)%laction = .FALSE.
839	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_crt%cldes' )
840	END SELECT
841
842	! ! ------------------------- !
843	! ! CO2 flux !
844	! ! ------------------------- !
845	ssnd(jps_co2)%clname = 'O_CO2FLX' ; IF( TRIM(sn_snd_co2%cldes) == 'coupled' ) ssnd(jps_co2 )%laction = .TRUE.
846	!
847
848	! ! ------------------------- !
849	! ! MEDUSA output fields !
850	! ! ------------------------- !
851	! Surface dimethyl sulphide from Medusa
852	ssnd(jps_bio_dms)%clname = 'OBioDMS'
853	IF( TRIM(sn_snd_bio_dms%cldes) == 'medusa' ) ssnd(jps_bio_dms )%laction = .TRUE.
854
855	! Surface CO2 flux from Medusa
856	ssnd(jps_bio_co2)%clname = 'OBioCO2'
857	IF( TRIM(sn_snd_bio_co2%cldes) == 'medusa' ) ssnd(jps_bio_co2 )%laction = .TRUE.
858
859	! Surface chlorophyll from Medusa
860	ssnd(jps_bio_chloro)%clname = 'OBioChlo'
861	IF( TRIM(sn_snd_bio_chloro%cldes) == 'medusa' ) ssnd(jps_bio_chloro )%laction = .TRUE.
862
863	! ! ------------------------- !
864	! ! Sea surface freezing temp !
865	! ! ------------------------- !
866	ssnd(jps_sstfrz)%clname = 'O_SSTFrz' ; IF( TRIM(sn_snd_sstfrz%cldes) == 'coupled' ) ssnd(jps_sstfrz)%laction = .TRUE.
867	!
868	! ! ------------------------- !
869	! ! Ice conductivity !
870	! ! ------------------------- !
871	! Note that ultimately we will move to passing an ocean effective conductivity as well so there
872	! will be some changes to the parts of the code which currently relate only to ice conductivity
873	ssnd(jps_kice )%clname = 'OIceKn'
874	SELECT CASE ( TRIM( sn_snd_cond%cldes ) )
875	CASE ( 'none' )
876	ssnd(jps_kice)%laction = .FALSE.
877	CASE ( 'ice only' )
878	ssnd(jps_kice)%laction = .TRUE.
879	IF ( TRIM( sn_snd_cond%clcat ) == 'yes' ) THEN
880	ssnd(jps_kice)%nct = jpl
881	ELSE
882	IF ( jpl > 1 ) THEN
883	CALL ctl_stop( 'sbc_cpl_init: use weighted ice option for sn_snd_cond%cldes if not exchanging category fields' )
884	ENDIF
885	ENDIF
886	CASE ( 'weighted ice' )
887	ssnd(jps_kice)%laction = .TRUE.
888	IF ( TRIM( sn_snd_cond%clcat ) == 'yes' ) ssnd(jps_kice)%nct = jpl
889	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_cond%cldes' )
890	END SELECT
891	!
892
893
894	! ! ------------------------------- !
895	! ! OPA-SAS coupling - snd by opa !
896	! ! ------------------------------- !
897	ssnd(jps_ssh )%clname = 'O_SSHght'
898	ssnd(jps_soce )%clname = 'O_SSSal'
899	ssnd(jps_e3t1st)%clname = 'O_E3T1st'
900	ssnd(jps_fraqsr)%clname = 'O_FraQsr'
901	!
902	IF( nn_components == jp_iam_opa ) THEN
903	ssnd(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
904	ssnd( (/jps_toce, jps_soce, jps_ssh, jps_fraqsr, jps_ocx1, jps_ocy1/) )%laction = .TRUE.
905	ssnd( jps_e3t1st )%laction = lk_vvl
906	! vector definition: not used but cleaner...
907	ssnd(jps_ocx1)%clgrid = 'U' ! oce components given at U-point
908	ssnd(jps_ocy1)%clgrid = 'V' ! and V-point
909	sn_snd_crt%clvgrd = 'U,V'
910	sn_snd_crt%clvor = 'local grid'
911	sn_snd_crt%clvref = 'spherical'
912	!
913	IF(lwp) THEN ! control print
914	WRITE(numout,*)
915	WRITE(numout,*)' sent fields to SAS component '
916	WRITE(numout,*)' sea surface temperature (T before, Celcius) '
917	WRITE(numout,*)' sea surface salinity '
918	WRITE(numout,*)' surface currents U,V on local grid and spherical coordinates'
919	WRITE(numout,*)' sea surface height '
920	WRITE(numout,*)' thickness of first ocean T level '
921	WRITE(numout,*)' fraction of solar net radiation absorbed in the first ocean level'
922	WRITE(numout,*)
923	ENDIF
924	ENDIF
925	! ! ------------------------------- !
926	! ! OPA-SAS coupling - snd by sas !
927	! ! ------------------------------- !
928	ssnd(jps_sflx )%clname = 'I_SFLX'
929	ssnd(jps_fice2 )%clname = 'IIceFrc'
930	ssnd(jps_qsroce)%clname = 'I_QsrOce'
931	ssnd(jps_qnsoce)%clname = 'I_QnsOce'
932	ssnd(jps_oemp )%clname = 'IOEvaMPr'
933	ssnd(jps_otx1 )%clname = 'I_OTaux1'
934	ssnd(jps_oty1 )%clname = 'I_OTauy1'
935	ssnd(jps_rnf )%clname = 'I_Runoff'
936	ssnd(jps_taum )%clname = 'I_TauMod'
937	!
938	IF( nn_components == jp_iam_sas ) THEN
939	IF( .NOT. ln_cpl ) ssnd(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
940	ssnd( (/jps_qsroce, jps_qnsoce, jps_oemp, jps_fice2, jps_sflx, jps_otx1, jps_oty1, jps_taum/) )%laction = .TRUE.
941	!
942	! Change first letter to couple with atmosphere if already coupled with sea_ice
943	! this is nedeed as each variable name used in the namcouple must be unique:
944	! for example O_SSTSST sent by OPA to SAS and therefore S_SSTSST sent by SAS to the Atmosphere
945	DO jn = 1, jpsnd
946	IF ( ssnd(jn)%clname(1:1) == "O" ) ssnd(jn)%clname = "S"//ssnd(jn)%clname(2:LEN(ssnd(jn)%clname))
947	END DO
948	!
949	IF(lwp) THEN ! control print
950	WRITE(numout,*)
951	IF( .NOT. ln_cpl ) THEN
952	WRITE(numout,*)' sent fields to OPA component '
953	ELSE
954	WRITE(numout,*)' Additional sent fields to OPA component : '
955	ENDIF
956	WRITE(numout,*)' ice cover '
957	WRITE(numout,*)' oce only EMP '
958	WRITE(numout,*)' salt flux '
959	WRITE(numout,*)' mixed oce-ice solar flux '
960	WRITE(numout,*)' mixed oce-ice non solar flux '
961	WRITE(numout,*)' wind stress U,V components'
962	WRITE(numout,*)' wind stress module'
963	ENDIF
964	ENDIF
965
966	!
967	! ================================ !
968	! initialisation of the coupler !
969	! ================================ !
970
971	CALL cpl_define(jprcv, jpsnd, nn_cplmodel)
972
973	IF (ln_usecplmask) THEN
974	xcplmask(:,:,:) = 0.
975	CALL iom_open( 'cplmask', inum )
976	CALL iom_get( inum, jpdom_unknown, 'cplmask', xcplmask(1:nlci,1:nlcj,1:nn_cplmodel), &
977	& kstart = (/ mig(1),mjg(1),1 /), kcount = (/ nlci,nlcj,nn_cplmodel /) )
978	CALL iom_close( inum )
979	ELSE
980	xcplmask(:,:,:) = 1.
981	ENDIF
982	xcplmask(:,:,0) = 1. - SUM( xcplmask(:,:,1:nn_cplmodel), dim = 3 )
983	!
984	ncpl_qsr_freq = cpl_freq( 'O_QsrOce' ) + cpl_freq( 'O_QsrMix' ) + cpl_freq( 'I_QsrOce' ) + cpl_freq( 'I_QsrMix' )
985	IF( ln_dm2dc .AND. ln_cpl .AND. ncpl_qsr_freq /= 86400 ) &
986	& CALL ctl_stop( 'sbc_cpl_init: diurnal cycle reconstruction (ln_dm2dc) needs daily couping for solar radiation' )
987	ncpl_qsr_freq = 86400 / ncpl_qsr_freq
988
989	IF( nn_coupled_iceshelf_fluxes .gt. 0 ) THEN
990	! Crude masks to separate the Antarctic and Greenland icesheets. Obviously something
991	! more complicated could be done if required.
992	greenland_icesheet_mask = 0.0
993	WHERE( gphit >= 0.0 ) greenland_icesheet_mask = 1.0
994	antarctica_icesheet_mask = 0.0
995	WHERE( gphit < 0.0 ) antarctica_icesheet_mask = 1.0
996
997	! initialise other variables
998	greenland_icesheet_mass_array(:,:) = 0.0
999	antarctica_icesheet_mass_array(:,:) = 0.0
1000
1001	IF( .not. ln_rstart ) THEN
1002	greenland_icesheet_mass = 0.0
1003	greenland_icesheet_mass_rate_of_change = 0.0
1004	greenland_icesheet_timelapsed = 0.0
1005	antarctica_icesheet_mass = 0.0
1006	antarctica_icesheet_mass_rate_of_change = 0.0
1007	antarctica_icesheet_timelapsed = 0.0
1008	ENDIF
1009
1010	ENDIF
1011
1012	CALL wrk_dealloc( jpi,jpj, zacs, zaos )
1013	!
1014	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_init')
1015	!
1016	END SUBROUTINE sbc_cpl_init
1017
1018
1019	SUBROUTINE sbc_cpl_rcv( kt, k_fsbc, k_ice )
1020	!!----------------------------------------------------------------------
1021	!! * ROUTINE sbc_cpl_rcv *
1022	!!
1023	!! ** Purpose : provide the stress over the ocean and, if no sea-ice,
1024	!! provide the ocean heat and freshwater fluxes.
1025	!!
1026	!! ** Method : - Receive all the atmospheric fields (stored in frcv array). called at each time step.
1027	!! OASIS controls if there is something do receive or not. nrcvinfo contains the info
1028	!! to know if the field was really received or not
1029	!!
1030	!! --> If ocean stress was really received:
1031	!!
1032	!! - transform the received ocean stress vector from the received
1033	!! referential and grid into an atmosphere-ocean stress in
1034	!! the (i,j) ocean referencial and at the ocean velocity point.
1035	!! The received stress are :
1036	!! - defined by 3 components (if cartesian coordinate)
1037	!! or by 2 components (if spherical)
1038	!! - oriented along geographical coordinate (if eastward-northward)
1039	!! or along the local grid coordinate (if local grid)
1040	!! - given at U- and V-point, resp. if received on 2 grids
1041	!! or at T-point if received on 1 grid
1042	!! Therefore and if necessary, they are successively
1043	!! processed in order to obtain them
1044	!! first as 2 components on the sphere
1045	!! second as 2 components oriented along the local grid
1046	!! third as 2 components on the U,V grid
1047	!!
1048	!! -->
1049	!!
1050	!! - In 'ocean only' case, non solar and solar ocean heat fluxes
1051	!! and total ocean freshwater fluxes
1052	!!
1053	!! ** Method : receive all fields from the atmosphere and transform
1054	!! them into ocean surface boundary condition fields
1055	!!
1056	!! ** Action : update utau, vtau ocean stress at U,V grid
1057	!! taum wind stress module at T-point
1058	!! wndm wind speed module at T-point over free ocean or leads in presence of sea-ice
1059	!! qns non solar heat fluxes including emp heat content (ocean only case)
1060	!! and the latent heat flux of solid precip. melting
1061	!! qsr solar ocean heat fluxes (ocean only case)
1062	!! emp upward mass flux [evap. - precip. (- runoffs) (- calving)] (ocean only case)
1063	!!----------------------------------------------------------------------
1064	INTEGER, INTENT(in) :: kt ! ocean model time step index
1065	INTEGER, INTENT(in) :: k_fsbc ! frequency of sbc (-> ice model) computation
1066	INTEGER, INTENT(in) :: k_ice ! ice management in the sbc (=0/1/2/3)
1067
1068	!!
1069	LOGICAL :: llnewtx, llnewtau ! update wind stress components and module??
1070	INTEGER :: ji, jj, jl, jn ! dummy loop indices
1071	INTEGER :: isec ! number of seconds since nit000 (assuming rdttra did not change since nit000)
1072	INTEGER :: ikchoix
1073	REAL(wp) :: zcumulneg, zcumulpos ! temporary scalars
1074	REAL(wp) :: zgreenland_icesheet_mass_in, zantarctica_icesheet_mass_in
1075	REAL(wp) :: zgreenland_icesheet_mass_b, zantarctica_icesheet_mass_b
1076	REAL(wp) :: zmask_sum, zepsilon
1077	REAL(wp) :: zcoef ! temporary scalar
1078	REAL(wp) :: zrhoa = 1.22 ! Air density kg/m3
1079	REAL(wp) :: zcdrag = 1.5e-3 ! drag coefficient
1080	REAL(wp) :: zzx, zzy ! temporary variables
1081	REAL(wp), POINTER, DIMENSION(:,:) :: ztx, zty, zmsk, zemp, zqns, zqsr, ztx2, zty2
1082	!!----------------------------------------------------------------------
1083
1084	!
1085	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_rcv')
1086	!
1087	CALL wrk_alloc( jpi,jpj, ztx, zty, zmsk, zemp, zqns, zqsr, ztx2, zty2 )
1088	!
1089	IF( ln_mixcpl ) zmsk(:,:) = 1. - xcplmask(:,:,0)
1090	write(numout,*) "RSRH in cpl_rcv",kt ; flush(numout)
1091	!
1092	! ! ======================================================= !
1093	! ! Receive all the atmos. fields (including ice information)
1094	! ! ======================================================= !
1095	isec = ( kt - nit000 ) * NINT( rdttra(1) ) ! date of exchanges
1096	DO jn = 1, jprcv ! received fields sent by the atmosphere
1097	IF( srcv(jn)%laction ) THEN
1098	write(numout,*) "RSRH recieving field via call to cpl_rcv",kt,jn ; flush(numout)
1099
1100	IF ( srcv(jn)%dimensions == 0 ) THEN
1101	write(numout,*) "RSRH recieving 0d field",kt,jn ; flush(numout)
1102	CALL cpl_rcv_1d( jn, isec, frcv(jn)%z3, SIZE(frcv(jn)%z3), nrcvinfo(jn) )
1103	ELSE
1104	write(numout,*) "RSRH recieving 2d field",kt,jn ; flush(numout)
1105	CALL cpl_rcv( jn, isec, frcv(jn)%z3, xcplmask(:,:,1:nn_cplmodel), nrcvinfo(jn) )
1106	END IF
1107	write(numout,*) "RSRH completed recieve of field via call to cpl_rcv",kt,jn ; flush(numout)
1108
1109	END IF
1110	END DO
1111	write(numout,*) "RSRH still in cpl_rcv",kt ; flush(numout)
1112	! ! ========================= !
1113	IF( srcv(jpr_otx1)%laction ) THEN ! ocean stress components !
1114	! ! ========================= !
1115	! define frcv(jpr_otx1)%z3(:,:,1) and frcv(jpr_oty1)%z3(:,:,1): stress at U/V point along model grid
1116	! => need to be done only when we receive the field
1117	IF( nrcvinfo(jpr_otx1) == OASIS_Rcv ) THEN
1118	!
1119	IF( TRIM( sn_rcv_tau%clvref ) == 'cartesian' ) THEN ! 2 components on the sphere
1120	! ! (cartesian to spherical -> 3 to 2 components)
1121	!
1122	CALL geo2oce( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), frcv(jpr_otz1)%z3(:,:,1), &
1123	& srcv(jpr_otx1)%clgrid, ztx, zty )
1124	frcv(jpr_otx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 1st grid
1125	frcv(jpr_oty1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 1st grid
1126	!
1127	IF( srcv(jpr_otx2)%laction ) THEN
1128	CALL geo2oce( frcv(jpr_otx2)%z3(:,:,1), frcv(jpr_oty2)%z3(:,:,1), frcv(jpr_otz2)%z3(:,:,1), &
1129	& srcv(jpr_otx2)%clgrid, ztx, zty )
1130	frcv(jpr_otx2)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 2nd grid
1131	frcv(jpr_oty2)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 2nd grid
1132	ENDIF
1133	!
1134	ENDIF
1135	!
1136	IF( TRIM( sn_rcv_tau%clvor ) == 'eastward-northward' ) THEN ! 2 components oriented along the local grid
1137	! ! (geographical to local grid -> rotate the components)
1138	IF( srcv(jpr_otx1)%clgrid == 'U' .AND. (.NOT. srcv(jpr_otx2)%laction) ) THEN
1139	! Temporary code for HadGEM3 - will be removed eventually.
1140	! Only applies when we have only taux on U grid and tauy on V grid
1141	DO jj=2,jpjm1
1142	DO ji=2,jpim1
1143	ztx(ji,jj)=0.25*vmask(ji,jj,1) &
1144	*(frcv(jpr_otx1)%z3(ji,jj,1)+frcv(jpr_otx1)%z3(ji-1,jj,1) &
1145	+frcv(jpr_otx1)%z3(ji,jj+1,1)+frcv(jpr_otx1)%z3(ji-1,jj+1,1))
1146	zty(ji,jj)=0.25*umask(ji,jj,1) &
1147	*(frcv(jpr_oty1)%z3(ji,jj,1)+frcv(jpr_oty1)%z3(ji+1,jj,1) &
1148	+frcv(jpr_oty1)%z3(ji,jj-1,1)+frcv(jpr_oty1)%z3(ji+1,jj-1,1))
1149	ENDDO
1150	ENDDO
1151
1152	ikchoix = 1
1153	CALL repcmo (frcv(jpr_otx1)%z3(:,:,1),zty,ztx,frcv(jpr_oty1)%z3(:,:,1),ztx2,zty2,ikchoix)
1154	CALL lbc_lnk (ztx2,'U', -1. )
1155	CALL lbc_lnk (zty2,'V', -1. )
1156	frcv(jpr_otx1)%z3(:,:,1)=ztx2(:,:)
1157	frcv(jpr_oty1)%z3(:,:,1)=zty2(:,:)
1158	ELSE
1159	CALL rot_rep( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), srcv(jpr_otx1)%clgrid, 'en->i', ztx )
1160	frcv(jpr_otx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st component on the 1st grid
1161	IF( srcv(jpr_otx2)%laction ) THEN
1162	CALL rot_rep( frcv(jpr_otx2)%z3(:,:,1), frcv(jpr_oty2)%z3(:,:,1), srcv(jpr_otx2)%clgrid, 'en->j', zty )
1163	ELSE
1164	CALL rot_rep( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), srcv(jpr_otx1)%clgrid, 'en->j', zty )
1165	ENDIF
1166	frcv(jpr_oty1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd component on the 2nd grid
1167	ENDIF
1168	ENDIF
1169	!
1170	IF( srcv(jpr_otx1)%clgrid == 'T' ) THEN
1171	DO jj = 2, jpjm1 ! T ==> (U,V)
1172	DO ji = fs_2, fs_jpim1 ! vector opt.
1173	frcv(jpr_otx1)%z3(ji,jj,1) = 0.5 * ( frcv(jpr_otx1)%z3(ji+1,jj ,1) + frcv(jpr_otx1)%z3(ji,jj,1) )
1174	frcv(jpr_oty1)%z3(ji,jj,1) = 0.5 * ( frcv(jpr_oty1)%z3(ji ,jj+1,1) + frcv(jpr_oty1)%z3(ji,jj,1) )
1175	END DO
1176	END DO
1177	CALL lbc_lnk( frcv(jpr_otx1)%z3(:,:,1), 'U', -1. ) ; CALL lbc_lnk( frcv(jpr_oty1)%z3(:,:,1), 'V', -1. )
1178	ENDIF
1179	llnewtx = .TRUE.
1180	ELSE
1181	llnewtx = .FALSE.
1182	ENDIF
1183	! ! ========================= !
1184	ELSE ! No dynamical coupling !
1185	! ! ========================= !
1186	frcv(jpr_otx1)%z3(:,:,1) = 0.e0 ! here simply set to zero
1187	frcv(jpr_oty1)%z3(:,:,1) = 0.e0 ! an external read in a file can be added instead
1188	llnewtx = .TRUE.
1189	!
1190	ENDIF
1191	! ! ========================= !
1192	! ! wind stress module ! (taum)
1193	! ! ========================= !
1194	!
1195	IF( .NOT. srcv(jpr_taum)%laction ) THEN ! compute wind stress module from its components if not received
1196	! => need to be done only when otx1 was changed
1197	IF( llnewtx ) THEN
1198	!CDIR NOVERRCHK
1199	DO jj = 2, jpjm1
1200	!CDIR NOVERRCHK
1201	DO ji = fs_2, fs_jpim1 ! vect. opt.
1202	zzx = frcv(jpr_otx1)%z3(ji-1,jj ,1) + frcv(jpr_otx1)%z3(ji,jj,1)
1203	zzy = frcv(jpr_oty1)%z3(ji ,jj-1,1) + frcv(jpr_oty1)%z3(ji,jj,1)
1204	frcv(jpr_taum)%z3(ji,jj,1) = 0.5 * SQRT( zzx * zzx + zzy * zzy )
1205	END DO
1206	END DO
1207	CALL lbc_lnk( frcv(jpr_taum)%z3(:,:,1), 'T', 1. )
1208	llnewtau = .TRUE.
1209	ELSE
1210	llnewtau = .FALSE.
1211	ENDIF
1212	ELSE
1213	llnewtau = nrcvinfo(jpr_taum) == OASIS_Rcv
1214	! Stress module can be negative when received (interpolation problem)
1215	IF( llnewtau ) THEN
1216	frcv(jpr_taum)%z3(:,:,1) = MAX( 0._wp, frcv(jpr_taum)%z3(:,:,1) )
1217	ENDIF
1218	ENDIF
1219	!
1220	! ! ========================= !
1221	! ! 10 m wind speed ! (wndm)
1222	! ! ========================= !
1223	!
1224	IF( .NOT. srcv(jpr_w10m)%laction ) THEN ! compute wind spreed from wind stress module if not received
1225	! => need to be done only when taumod was changed
1226	IF( llnewtau ) THEN
1227	zcoef = 1. / ( zrhoa * zcdrag )
1228	!CDIR NOVERRCHK
1229	DO jj = 1, jpj
1230	!CDIR NOVERRCHK
1231	DO ji = 1, jpi
1232	frcv(jpr_w10m)%z3(ji,jj,1) = SQRT( frcv(jpr_taum)%z3(ji,jj,1) * zcoef )
1233	END DO
1234	END DO
1235	ENDIF
1236	ENDIF
1237
1238	! u(v)tau and taum will be modified by ice model
1239	! -> need to be reset before each call of the ice/fsbc
1240	IF( MOD( kt-1, k_fsbc ) == 0 ) THEN
1241	!
1242	IF( ln_mixcpl ) THEN
1243	utau(:,:) = utau(:,:) * xcplmask(:,:,0) + frcv(jpr_otx1)%z3(:,:,1) * zmsk(:,:)
1244	vtau(:,:) = vtau(:,:) * xcplmask(:,:,0) + frcv(jpr_oty1)%z3(:,:,1) * zmsk(:,:)
1245	taum(:,:) = taum(:,:) * xcplmask(:,:,0) + frcv(jpr_taum)%z3(:,:,1) * zmsk(:,:)
1246	wndm(:,:) = wndm(:,:) * xcplmask(:,:,0) + frcv(jpr_w10m)%z3(:,:,1) * zmsk(:,:)
1247	ELSE
1248	utau(:,:) = frcv(jpr_otx1)%z3(:,:,1)
1249	vtau(:,:) = frcv(jpr_oty1)%z3(:,:,1)
1250	taum(:,:) = frcv(jpr_taum)%z3(:,:,1)
1251	wndm(:,:) = frcv(jpr_w10m)%z3(:,:,1)
1252	ENDIF
1253	CALL iom_put( "taum_oce", taum ) ! output wind stress module
1254	!
1255	ENDIF
1256
1257	IF (ln_medusa) THEN
1258	IF( srcv(jpr_atm_pco2)%laction) PCO2a_in_cpl(:,:) = frcv(jpr_atm_pco2)%z3(:,:,1)
1259	IF( srcv(jpr_atm_dust)%laction) Dust_in_cpl(:,:) = frcv(jpr_atm_dust)%z3(:,:,1)
1260	ENDIF
1261
1262	#if defined key_cpl_carbon_cycle
1263	! ! ================== !
1264	! ! atmosph. CO2 (ppm) !
1265	! ! ================== !
1266	IF( srcv(jpr_co2)%laction ) atm_co2(:,:) = frcv(jpr_co2)%z3(:,:,1)
1267	#endif
1268
1269	#if defined key_cice && ! defined key_cice4
1270	! ! Sea ice surface skin temp:
1271	IF( srcv(jpr_ts_ice)%laction ) THEN
1272	DO jl = 1, jpl
1273	DO jj = 1, jpj
1274	DO ji = 1, jpi
1275	IF (frcv(jpr_ts_ice)%z3(ji,jj,jl) > 0.0) THEN
1276	tsfc_ice(ji,jj,jl) = 0.0
1277	ELSE IF (frcv(jpr_ts_ice)%z3(ji,jj,jl) < -60.0) THEN
1278	tsfc_ice(ji,jj,jl) = -60.0
1279	ELSE
1280	tsfc_ice(ji,jj,jl) = frcv(jpr_ts_ice)%z3(ji,jj,jl)
1281	ENDIF
1282	END DO
1283	END DO
1284	END DO
1285	ENDIF
1286	#endif
1287
1288	! Fields received by SAS when OASIS coupling
1289	! (arrays no more filled at sbcssm stage)
1290	! ! ================== !
1291	! ! SSS !
1292	! ! ================== !
1293	IF( srcv(jpr_soce)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1294	sss_m(:,:) = frcv(jpr_soce)%z3(:,:,1)
1295	CALL iom_put( 'sss_m', sss_m )
1296	ENDIF
1297	!
1298	! ! ================== !
1299	! ! SST !
1300	! ! ================== !
1301	IF( srcv(jpr_toce)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1302	sst_m(:,:) = frcv(jpr_toce)%z3(:,:,1)
1303	IF( srcv(jpr_soce)%laction .AND. ln_useCT ) THEN ! make sure that sst_m is the potential temperature
1304	sst_m(:,:) = eos_pt_from_ct( sst_m(:,:), sss_m(:,:) )
1305	ENDIF
1306	ENDIF
1307	! ! ================== !
1308	! ! SSH !
1309	! ! ================== !
1310	IF( srcv(jpr_ssh )%laction ) THEN ! received by sas in case of opa <-> sas coupling
1311	ssh_m(:,:) = frcv(jpr_ssh )%z3(:,:,1)
1312	CALL iom_put( 'ssh_m', ssh_m )
1313	ENDIF
1314	! ! ================== !
1315	! ! surface currents !
1316	! ! ================== !
1317	IF( srcv(jpr_ocx1)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1318	ssu_m(:,:) = frcv(jpr_ocx1)%z3(:,:,1)
1319	ub (:,:,1) = ssu_m(:,:) ! will be used in sbcice_lim in the call of lim_sbc_tau
1320	un (:,:,1) = ssu_m(:,:) ! will be used in sbc_cpl_snd if atmosphere coupling
1321	CALL iom_put( 'ssu_m', ssu_m )
1322	ENDIF
1323	IF( srcv(jpr_ocy1)%laction ) THEN
1324	ssv_m(:,:) = frcv(jpr_ocy1)%z3(:,:,1)
1325	vb (:,:,1) = ssv_m(:,:) ! will be used in sbcice_lim in the call of lim_sbc_tau
1326	vn (:,:,1) = ssv_m(:,:) ! will be used in sbc_cpl_snd if atmosphere coupling
1327	CALL iom_put( 'ssv_m', ssv_m )
1328	ENDIF
1329	! ! ======================== !
1330	! ! first T level thickness !
1331	! ! ======================== !
1332	IF( srcv(jpr_e3t1st )%laction ) THEN ! received by sas in case of opa <-> sas coupling
1333	e3t_m(:,:) = frcv(jpr_e3t1st )%z3(:,:,1)
1334	CALL iom_put( 'e3t_m', e3t_m(:,:) )
1335	ENDIF
1336	! ! ================================ !
1337	! ! fraction of solar net radiation !
1338	! ! ================================ !
1339	IF( srcv(jpr_fraqsr)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1340	frq_m(:,:) = frcv(jpr_fraqsr)%z3(:,:,1)
1341	CALL iom_put( 'frq_m', frq_m )
1342	ENDIF
1343
1344	! ! ========================= !
1345	IF( k_ice <= 1 .AND. MOD( kt-1, k_fsbc ) == 0 ) THEN ! heat & freshwater fluxes ! (Ocean only case)
1346	! ! ========================= !
1347	!
1348	! ! total freshwater fluxes over the ocean (emp)
1349	IF( srcv(jpr_oemp)%laction .OR. srcv(jpr_rain)%laction ) THEN
1350	SELECT CASE( TRIM( sn_rcv_emp%cldes ) ) ! evaporation - precipitation
1351	CASE( 'conservative' )
1352	zemp(:,:) = frcv(jpr_tevp)%z3(:,:,1) - ( frcv(jpr_rain)%z3(:,:,1) + frcv(jpr_snow)%z3(:,:,1) )
1353	CASE( 'oce only', 'oce and ice' )
1354	zemp(:,:) = frcv(jpr_oemp)%z3(:,:,1)
1355	CASE default
1356	CALL ctl_stop( 'sbc_cpl_rcv: wrong definition of sn_rcv_emp%cldes' )
1357	END SELECT
1358	ELSE
1359	zemp(:,:) = 0._wp
1360	ENDIF
1361	!
1362	! ! runoffs and calving (added in emp)
1363	IF( srcv(jpr_rnf)%laction ) rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1364	IF( srcv(jpr_cal)%laction ) zemp(:,:) = zemp(:,:) - frcv(jpr_cal)%z3(:,:,1)
1365
1366	IF( ln_mixcpl ) THEN ; emp(:,:) = emp(:,:) * xcplmask(:,:,0) + zemp(:,:) * zmsk(:,:)
1367	ELSE ; emp(:,:) = zemp(:,:)
1368	ENDIF
1369	!
1370	! ! non solar heat flux over the ocean (qns)
1371	IF( srcv(jpr_qnsoce)%laction ) THEN ; zqns(:,:) = frcv(jpr_qnsoce)%z3(:,:,1)
1372	ELSE IF( srcv(jpr_qnsmix)%laction ) THEN ; zqns(:,:) = frcv(jpr_qnsmix)%z3(:,:,1)
1373	ELSE ; zqns(:,:) = 0._wp
1374	END IF
1375	! update qns over the free ocean with:
1376	IF( nn_components /= jp_iam_opa ) THEN
1377	zqns(:,:) = zqns(:,:) - zemp(:,:) * sst_m(:,:) * rcp ! remove heat content due to mass flux (assumed to be at SST)
1378	IF( srcv(jpr_snow )%laction ) THEN
1379	zqns(:,:) = zqns(:,:) - frcv(jpr_snow)%z3(:,:,1) * lfus ! energy for melting solid precipitation over the free ocean
1380	ENDIF
1381	ENDIF
1382	IF( ln_mixcpl ) THEN ; qns(:,:) = qns(:,:) * xcplmask(:,:,0) + zqns(:,:) * zmsk(:,:)
1383	ELSE ; qns(:,:) = zqns(:,:)
1384	ENDIF
1385
1386	! ! solar flux over the ocean (qsr)
1387	IF ( srcv(jpr_qsroce)%laction ) THEN ; zqsr(:,:) = frcv(jpr_qsroce)%z3(:,:,1)
1388	ELSE IF( srcv(jpr_qsrmix)%laction ) then ; zqsr(:,:) = frcv(jpr_qsrmix)%z3(:,:,1)
1389	ELSE ; zqsr(:,:) = 0._wp
1390	ENDIF
1391	IF( ln_dm2dc .AND. ln_cpl ) zqsr(:,:) = sbc_dcy( zqsr ) ! modify qsr to include the diurnal cycle
1392	IF( ln_mixcpl ) THEN ; qsr(:,:) = qsr(:,:) * xcplmask(:,:,0) + zqsr(:,:) * zmsk(:,:)
1393	ELSE ; qsr(:,:) = zqsr(:,:)
1394	ENDIF
1395	!
1396	! salt flux over the ocean (received by opa in case of opa <-> sas coupling)
1397	IF( srcv(jpr_sflx )%laction ) sfx(:,:) = frcv(jpr_sflx )%z3(:,:,1)
1398	! Ice cover (received by opa in case of opa <-> sas coupling)
1399	IF( srcv(jpr_fice )%laction ) fr_i(:,:) = frcv(jpr_fice )%z3(:,:,1)
1400	!
1401
1402	ENDIF
1403
1404	! ! land ice masses : Greenland
1405	zepsilon = rn_iceshelf_fluxes_tolerance
1406
1407
1408	! See if we need zmask_sum...
1409	IF ( srcv(jpr_grnm)%laction .OR. srcv(jpr_antm)%laction ) THEN
1410	zmask_sum = glob_sum( tmask(:,:,1) )
1411	ENDIF
1412	write(numout,*) "RSRH still in cpl_rcv at teswt for grnm",kt ; flush(numout)
1413
1414	IF( srcv(jpr_grnm)%laction .AND. nn_coupled_iceshelf_fluxes == 1 ) THEN
1415	! This is a zero dimensional, single value field.
1416	zgreenland_icesheet_mass_in = frcv(jpr_grnm)%z3(1,1,1)
1417	write(numout,*) "RSRH still in cpl_rcv inside teswt for grnm",kt ; flush(numout)
1418
1419	zgreenland_icesheet_mass_in = zgreenland_icesheet_mass_in / zmask_sum
1420	greenland_icesheet_timelapsed = greenland_icesheet_timelapsed + rdt
1421
1422	IF( ln_iceshelf_init_atmos .AND. kt == 1 ) THEN
1423	! On the first timestep (of an NRUN) force the ocean to ignore the icesheet masses in the ocean restart
1424	! and take them from the atmosphere to avoid problems with using inconsistent ocean and atmosphere restarts.
1425	zgreenland_icesheet_mass_b = zgreenland_icesheet_mass_in
1426	greenland_icesheet_mass = zgreenland_icesheet_mass_in
1427	ENDIF
1428
1429	IF( ABS( zgreenland_icesheet_mass_in - greenland_icesheet_mass ) > zepsilon ) THEN
1430	zgreenland_icesheet_mass_b = greenland_icesheet_mass
1431
1432	! Only update the mass if it has increased.
1433	IF ( (zgreenland_icesheet_mass_in - greenland_icesheet_mass) > 0.0 ) THEN
1434	greenland_icesheet_mass = zgreenland_icesheet_mass_in
1435	ENDIF
1436
1437	IF( zgreenland_icesheet_mass_b /= 0.0 ) &
1438	& greenland_icesheet_mass_rate_of_change = ( greenland_icesheet_mass - zgreenland_icesheet_mass_b ) / greenland_icesheet_timelapsed
1439	greenland_icesheet_timelapsed = 0.0_wp
1440	ENDIF
1441	IF(lwp) WRITE(numout,*) 'Greenland icesheet mass (kg) read in is ', zgreenland_icesheet_mass_in
1442	IF(lwp) WRITE(numout,*) 'Greenland icesheet mass (kg) used is ', greenland_icesheet_mass
1443	IF(lwp) WRITE(numout,*) 'Greenland icesheet mass rate of change (kg/s) is ', greenland_icesheet_mass_rate_of_change
1444	IF(lwp) WRITE(numout,*) 'Greenland icesheet seconds lapsed since last change is ', greenland_icesheet_timelapsed
1445	ELSE IF ( nn_coupled_iceshelf_fluxes == 2 ) THEN
1446	greenland_icesheet_mass_rate_of_change = rn_greenland_total_fw_flux
1447	ENDIF
1448
1449	! ! land ice masses : Antarctica
1450	IF( srcv(jpr_antm)%laction .AND. nn_coupled_iceshelf_fluxes == 1 ) THEN
1451	! This is a zero dimensional, single value field.
1452	zantarctica_icesheet_mass_in = frcv(jpr_antm)%z3(1,1,1)
1453
1454	zantarctica_icesheet_mass_in = zantarctica_icesheet_mass_in / zmask_sum
1455	antarctica_icesheet_timelapsed = antarctica_icesheet_timelapsed + rdt
1456
1457	IF( ln_iceshelf_init_atmos .AND. kt == 1 ) THEN
1458	! On the first timestep (of an NRUN) force the ocean to ignore the icesheet masses in the ocean restart
1459	! and take them from the atmosphere to avoid problems with using inconsistent ocean and atmosphere restarts.
1460	zantarctica_icesheet_mass_b = zantarctica_icesheet_mass_in
1461	antarctica_icesheet_mass = zantarctica_icesheet_mass_in
1462	ENDIF
1463
1464	IF( ABS( zantarctica_icesheet_mass_in - antarctica_icesheet_mass ) > zepsilon ) THEN
1465	zantarctica_icesheet_mass_b = antarctica_icesheet_mass
1466
1467	! Only update the mass if it has increased.
1468	IF ( (zantarctica_icesheet_mass_in - antarctica_icesheet_mass) > 0.0 ) THEN
1469	antarctica_icesheet_mass = zantarctica_icesheet_mass_in
1470	END IF
1471
1472	IF( zantarctica_icesheet_mass_b /= 0.0 ) &
1473	& antarctica_icesheet_mass_rate_of_change = ( antarctica_icesheet_mass - zantarctica_icesheet_mass_b ) / antarctica_icesheet_timelapsed
1474	antarctica_icesheet_timelapsed = 0.0_wp
1475	ENDIF
1476	IF(lwp) WRITE(numout,*) 'Antarctica icesheet mass (kg) read in is ', zantarctica_icesheet_mass_in
1477	IF(lwp) WRITE(numout,*) 'Antarctica icesheet mass (kg) used is ', antarctica_icesheet_mass
1478	IF(lwp) WRITE(numout,*) 'Antarctica icesheet mass rate of change (kg/s) is ', antarctica_icesheet_mass_rate_of_change
1479	IF(lwp) WRITE(numout,*) 'Antarctica icesheet seconds lapsed since last change is ', antarctica_icesheet_timelapsed
1480	ELSE IF ( nn_coupled_iceshelf_fluxes == 2 ) THEN
1481	antarctica_icesheet_mass_rate_of_change = rn_antarctica_total_fw_flux
1482	ENDIF
1483
1484	!
1485	CALL wrk_dealloc( jpi,jpj, ztx, zty, zmsk, zemp, zqns, zqsr, ztx2, zty2 )
1486	!
1487	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_rcv')
1488	!
1489	END SUBROUTINE sbc_cpl_rcv
1490
1491
1492	SUBROUTINE sbc_cpl_ice_tau( p_taui, p_tauj )
1493	!!----------------------------------------------------------------------
1494	!! * ROUTINE sbc_cpl_ice_tau *
1495	!!
1496	!! ** Purpose : provide the stress over sea-ice in coupled mode
1497	!!
1498	!! ** Method : transform the received stress from the atmosphere into
1499	!! an atmosphere-ice stress in the (i,j) ocean referencial
1500	!! and at the velocity point of the sea-ice model (cp_ice_msh):
1501	!! 'C'-grid : i- (j-) components given at U- (V-) point
1502	!! 'I'-grid : B-grid lower-left corner: both components given at I-point
1503	!!
1504	!! The received stress are :
1505	!! - defined by 3 components (if cartesian coordinate)
1506	!! or by 2 components (if spherical)
1507	!! - oriented along geographical coordinate (if eastward-northward)
1508	!! or along the local grid coordinate (if local grid)
1509	!! - given at U- and V-point, resp. if received on 2 grids
1510	!! or at a same point (T or I) if received on 1 grid
1511	!! Therefore and if necessary, they are successively
1512	!! processed in order to obtain them
1513	!! first as 2 components on the sphere
1514	!! second as 2 components oriented along the local grid
1515	!! third as 2 components on the cp_ice_msh point
1516	!!
1517	!! Except in 'oce and ice' case, only one vector stress field
1518	!! is received. It has already been processed in sbc_cpl_rcv
1519	!! so that it is now defined as (i,j) components given at U-
1520	!! and V-points, respectively. Therefore, only the third
1521	!! transformation is done and only if the ice-grid is a 'I'-grid.
1522	!!
1523	!! ** Action : return ptau_i, ptau_j, the stress over the ice at cp_ice_msh point
1524	!!----------------------------------------------------------------------
1525	REAL(wp), INTENT(out), DIMENSION(:,:) :: p_taui ! i- & j-components of atmos-ice stress [N/m2]
1526	REAL(wp), INTENT(out), DIMENSION(:,:) :: p_tauj ! at I-point (B-grid) or U & V-point (C-grid)
1527	!!
1528	INTEGER :: ji, jj ! dummy loop indices
1529	INTEGER :: itx ! index of taux over ice
1530	REAL(wp), POINTER, DIMENSION(:,:) :: ztx, zty
1531	!!----------------------------------------------------------------------
1532	!
1533	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_ice_tau')
1534	!
1535	CALL wrk_alloc( jpi,jpj, ztx, zty )
1536
1537	IF( srcv(jpr_itx1)%laction ) THEN ; itx = jpr_itx1
1538	ELSE ; itx = jpr_otx1
1539	ENDIF
1540
1541	! do something only if we just received the stress from atmosphere
1542	IF( nrcvinfo(itx) == OASIS_Rcv ) THEN
1543
1544	! ! ======================= !
1545	IF( srcv(jpr_itx1)%laction ) THEN ! ice stress received !
1546	! ! ======================= !
1547	!
1548	IF( TRIM( sn_rcv_tau%clvref ) == 'cartesian' ) THEN ! 2 components on the sphere
1549	! ! (cartesian to spherical -> 3 to 2 components)
1550	CALL geo2oce( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), frcv(jpr_itz1)%z3(:,:,1), &
1551	& srcv(jpr_itx1)%clgrid, ztx, zty )
1552	frcv(jpr_itx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 1st grid
1553	frcv(jpr_ity1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 1st grid
1554	!
1555	IF( srcv(jpr_itx2)%laction ) THEN
1556	CALL geo2oce( frcv(jpr_itx2)%z3(:,:,1), frcv(jpr_ity2)%z3(:,:,1), frcv(jpr_itz2)%z3(:,:,1), &
1557	& srcv(jpr_itx2)%clgrid, ztx, zty )
1558	frcv(jpr_itx2)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 2nd grid
1559	frcv(jpr_ity2)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 2nd grid
1560	ENDIF
1561	!
1562	ENDIF
1563	!
1564	IF( TRIM( sn_rcv_tau%clvor ) == 'eastward-northward' ) THEN ! 2 components oriented along the local grid
1565	! ! (geographical to local grid -> rotate the components)
1566	CALL rot_rep( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), srcv(jpr_itx1)%clgrid, 'en->i', ztx )
1567	IF( srcv(jpr_itx2)%laction ) THEN
1568	CALL rot_rep( frcv(jpr_itx2)%z3(:,:,1), frcv(jpr_ity2)%z3(:,:,1), srcv(jpr_itx2)%clgrid, 'en->j', zty )
1569	ELSE
1570	CALL rot_rep( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), srcv(jpr_itx1)%clgrid, 'en->j', zty )
1571	ENDIF
1572	frcv(jpr_itx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st component on the 1st grid
1573	frcv(jpr_ity1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd component on the 1st grid
1574	ENDIF
1575	! ! ======================= !
1576	ELSE ! use ocean stress !
1577	! ! ======================= !
1578	frcv(jpr_itx1)%z3(:,:,1) = frcv(jpr_otx1)%z3(:,:,1)
1579	frcv(jpr_ity1)%z3(:,:,1) = frcv(jpr_oty1)%z3(:,:,1)
1580	!
1581	ENDIF
1582	! ! ======================= !
1583	! ! put on ice grid !
1584	! ! ======================= !
1585	!
1586	! j+1 j -----V---F
1587	! ice stress on ice velocity point (cp_ice_msh) ! \|
1588	! (C-grid ==>(U,V) or B-grid ==> I or F) j \| T U
1589	! \| \|
1590	! j j-1 -I-------\|
1591	! (for I) \| \|
1592	! i-1 i i
1593	! i i+1 (for I)
1594	SELECT CASE ( cp_ice_msh )
1595	!
1596	CASE( 'I' ) ! B-grid ==> I
1597	SELECT CASE ( srcv(jpr_itx1)%clgrid )
1598	CASE( 'U' )
1599	DO jj = 2, jpjm1 ! (U,V) ==> I
1600	DO ji = 2, jpim1 ! NO vector opt.
1601	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji-1,jj ,1) + frcv(jpr_itx1)%z3(ji-1,jj-1,1) )
1602	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji ,jj-1,1) + frcv(jpr_ity1)%z3(ji-1,jj-1,1) )
1603	END DO
1604	END DO
1605	CASE( 'F' )
1606	DO jj = 2, jpjm1 ! F ==> I
1607	DO ji = 2, jpim1 ! NO vector opt.
1608	p_taui(ji,jj) = frcv(jpr_itx1)%z3(ji-1,jj-1,1)
1609	p_tauj(ji,jj) = frcv(jpr_ity1)%z3(ji-1,jj-1,1)
1610	END DO
1611	END DO
1612	CASE( 'T' )
1613	DO jj = 2, jpjm1 ! T ==> I
1614	DO ji = 2, jpim1 ! NO vector opt.
1615	p_taui(ji,jj) = 0.25 * ( frcv(jpr_itx1)%z3(ji,jj ,1) + frcv(jpr_itx1)%z3(ji-1,jj ,1) &
1616	& + frcv(jpr_itx1)%z3(ji,jj-1,1) + frcv(jpr_itx1)%z3(ji-1,jj-1,1) )
1617	p_tauj(ji,jj) = 0.25 * ( frcv(jpr_ity1)%z3(ji,jj ,1) + frcv(jpr_ity1)%z3(ji-1,jj ,1) &
1618	& + frcv(jpr_oty1)%z3(ji,jj-1,1) + frcv(jpr_ity1)%z3(ji-1,jj-1,1) )
1619	END DO
1620	END DO
1621	CASE( 'I' )
1622	p_taui(:,:) = frcv(jpr_itx1)%z3(:,:,1) ! I ==> I
1623	p_tauj(:,:) = frcv(jpr_ity1)%z3(:,:,1)
1624	END SELECT
1625	IF( srcv(jpr_itx1)%clgrid /= 'I' ) THEN
1626	CALL lbc_lnk( p_taui, 'I', -1. ) ; CALL lbc_lnk( p_tauj, 'I', -1. )
1627	ENDIF
1628	!
1629	CASE( 'F' ) ! B-grid ==> F
1630	SELECT CASE ( srcv(jpr_itx1)%clgrid )
1631	CASE( 'U' )
1632	DO jj = 2, jpjm1 ! (U,V) ==> F
1633	DO ji = fs_2, fs_jpim1 ! vector opt.
1634	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji,jj,1) + frcv(jpr_itx1)%z3(ji ,jj+1,1) )
1635	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji,jj,1) + frcv(jpr_ity1)%z3(ji+1,jj ,1) )
1636	END DO
1637	END DO
1638	CASE( 'I' )
1639	DO jj = 2, jpjm1 ! I ==> F
1640	DO ji = 2, jpim1 ! NO vector opt.
1641	p_taui(ji,jj) = frcv(jpr_itx1)%z3(ji+1,jj+1,1)
1642	p_tauj(ji,jj) = frcv(jpr_ity1)%z3(ji+1,jj+1,1)
1643	END DO
1644	END DO
1645	CASE( 'T' )
1646	DO jj = 2, jpjm1 ! T ==> F
1647	DO ji = 2, jpim1 ! NO vector opt.
1648	p_taui(ji,jj) = 0.25 * ( frcv(jpr_itx1)%z3(ji,jj ,1) + frcv(jpr_itx1)%z3(ji+1,jj ,1) &
1649	& + frcv(jpr_itx1)%z3(ji,jj+1,1) + frcv(jpr_itx1)%z3(ji+1,jj+1,1) )
1650	p_tauj(ji,jj) = 0.25 * ( frcv(jpr_ity1)%z3(ji,jj ,1) + frcv(jpr_ity1)%z3(ji+1,jj ,1) &
1651	& + frcv(jpr_ity1)%z3(ji,jj+1,1) + frcv(jpr_ity1)%z3(ji+1,jj+1,1) )
1652	END DO
1653	END DO
1654	CASE( 'F' )
1655	p_taui(:,:) = frcv(jpr_itx1)%z3(:,:,1) ! F ==> F
1656	p_tauj(:,:) = frcv(jpr_ity1)%z3(:,:,1)
1657	END SELECT
1658	IF( srcv(jpr_itx1)%clgrid /= 'F' ) THEN
1659	CALL lbc_lnk( p_taui, 'F', -1. ) ; CALL lbc_lnk( p_tauj, 'F', -1. )
1660	ENDIF
1661	!
1662	CASE( 'C' ) ! C-grid ==> U,V
1663	SELECT CASE ( srcv(jpr_itx1)%clgrid )
1664	CASE( 'U' )
1665	p_taui(:,:) = frcv(jpr_itx1)%z3(:,:,1) ! (U,V) ==> (U,V)
1666	p_tauj(:,:) = frcv(jpr_ity1)%z3(:,:,1)
1667	CASE( 'F' )
1668	DO jj = 2, jpjm1 ! F ==> (U,V)
1669	DO ji = fs_2, fs_jpim1 ! vector opt.
1670	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji,jj,1) + frcv(jpr_itx1)%z3(ji ,jj-1,1) )
1671	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(jj,jj,1) + frcv(jpr_ity1)%z3(ji-1,jj ,1) )
1672	END DO
1673	END DO
1674	CASE( 'T' )
1675	DO jj = 2, jpjm1 ! T ==> (U,V)
1676	DO ji = fs_2, fs_jpim1 ! vector opt.
1677	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji+1,jj ,1) + frcv(jpr_itx1)%z3(ji,jj,1) )
1678	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji ,jj+1,1) + frcv(jpr_ity1)%z3(ji,jj,1) )
1679	END DO
1680	END DO
1681	CASE( 'I' )
1682	DO jj = 2, jpjm1 ! I ==> (U,V)
1683	DO ji = 2, jpim1 ! NO vector opt.
1684	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji+1,jj+1,1) + frcv(jpr_itx1)%z3(ji+1,jj ,1) )
1685	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji+1,jj+1,1) + frcv(jpr_ity1)%z3(ji ,jj+1,1) )
1686	END DO
1687	END DO
1688	END SELECT
1689	IF( srcv(jpr_itx1)%clgrid /= 'U' ) THEN
1690	CALL lbc_lnk( p_taui, 'U', -1. ) ; CALL lbc_lnk( p_tauj, 'V', -1. )
1691	ENDIF
1692	END SELECT
1693
1694	ENDIF
1695	!
1696	CALL wrk_dealloc( jpi,jpj, ztx, zty )
1697	!
1698	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_ice_tau')
1699	!
1700	END SUBROUTINE sbc_cpl_ice_tau
1701
1702
1703	SUBROUTINE sbc_cpl_ice_flx( p_frld, palbi, psst, pist )
1704	!!----------------------------------------------------------------------
1705	!! * ROUTINE sbc_cpl_ice_flx *
1706	!!
1707	!! ** Purpose : provide the heat and freshwater fluxes of the ocean-ice system
1708	!!
1709	!! ** Method : transform the fields received from the atmosphere into
1710	!! surface heat and fresh water boundary condition for the
1711	!! ice-ocean system. The following fields are provided:
1712	!! * total non solar, solar and freshwater fluxes (qns_tot,
1713	!! qsr_tot and emp_tot) (total means weighted ice-ocean flux)
1714	!! NB: emp_tot include runoffs and calving.
1715	!! * fluxes over ice (qns_ice, qsr_ice, emp_ice) where
1716	!! emp_ice = sublimation - solid precipitation as liquid
1717	!! precipitation are re-routed directly to the ocean and
1718	!! calving directly enter the ocean (runoffs are read but included in trasbc.F90)
1719	!! * solid precipitation (sprecip), used to add to qns_tot
1720	!! the heat lost associated to melting solid precipitation
1721	!! over the ocean fraction.
1722	!! * heat content of rain, snow and evap can also be provided,
1723	!! otherwise heat flux associated with these mass flux are
1724	!! guessed (qemp_oce, qemp_ice)
1725	!!
1726	!! - the fluxes have been separated from the stress as
1727	!! (a) they are updated at each ice time step compare to
1728	!! an update at each coupled time step for the stress, and
1729	!! (b) the conservative computation of the fluxes over the
1730	!! sea-ice area requires the knowledge of the ice fraction
1731	!! after the ice advection and before the ice thermodynamics,
1732	!! so that the stress is updated before the ice dynamics
1733	!! while the fluxes are updated after it.
1734	!!
1735	!! ** Details
1736	!! qns_tot = pfrld * qns_oce + ( 1 - pfrld ) * qns_ice => provided
1737	!! + qemp_oce + qemp_ice => recalculated and added up to qns
1738	!!
1739	!! qsr_tot = pfrld * qsr_oce + ( 1 - pfrld ) * qsr_ice => provided
1740	!!
1741	!! emp_tot = emp_oce + emp_ice => calving is provided and added to emp_tot (and emp_oce)
1742	!! river runoff (rnf) is provided but not included here
1743	!!
1744	!! ** Action : update at each nf_ice time step:
1745	!! qns_tot, qsr_tot non-solar and solar total heat fluxes
1746	!! qns_ice, qsr_ice non-solar and solar heat fluxes over the ice
1747	!! emp_tot total evaporation - precipitation(liquid and solid) (-calving)
1748	!! emp_ice ice sublimation - solid precipitation over the ice
1749	!! dqns_ice d(non-solar heat flux)/d(Temperature) over the ice
1750	!! sprecip solid precipitation over the ocean
1751	!!----------------------------------------------------------------------
1752	REAL(wp), INTENT(in ), DIMENSION(:,:) :: p_frld ! lead fraction [0 to 1]
1753	! optional arguments, used only in 'mixed oce-ice' case
1754	REAL(wp), INTENT(in ), DIMENSION(:,:,:), OPTIONAL :: palbi ! all skies ice albedo
1755	REAL(wp), INTENT(in ), DIMENSION(:,: ), OPTIONAL :: psst ! sea surface temperature [Celsius]
1756	REAL(wp), INTENT(in ), DIMENSION(:,:,:), OPTIONAL :: pist ! ice surface temperature [Kelvin]
1757	!
1758	INTEGER :: jl ! dummy loop index
1759	REAL(wp), POINTER, DIMENSION(:,: ) :: zcptn, ztmp, zicefr, zmsk, zsnw
1760	REAL(wp), POINTER, DIMENSION(:,: ) :: zemp_tot, zemp_ice, zemp_oce, ztprecip, zsprecip, zevap_oce, zevap_ice, zdevap_ice
1761	REAL(wp), POINTER, DIMENSION(:,: ) :: zqns_tot, zqns_oce, zqsr_tot, zqsr_oce, zqprec_ice, zqemp_oce, zqemp_ice
1762	REAL(wp), POINTER, DIMENSION(:,:,:) :: zqns_ice, zqsr_ice, zdqns_ice, zqevap_ice
1763	!!----------------------------------------------------------------------
1764	!
1765	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_ice_flx')
1766	!
1767	CALL wrk_alloc( jpi,jpj, zcptn, ztmp, zicefr, zmsk, zsnw )
1768	CALL wrk_alloc( jpi,jpj, zemp_tot, zemp_ice, zemp_oce, ztprecip, zsprecip, zevap_oce, zevap_ice, zdevap_ice )
1769	CALL wrk_alloc( jpi,jpj, zqns_tot, zqns_oce, zqsr_tot, zqsr_oce, zqprec_ice, zqemp_oce, zqemp_ice )
1770	CALL wrk_alloc( jpi,jpj,jpl, zqns_ice, zqsr_ice, zdqns_ice, zqevap_ice )
1771
1772	IF( ln_mixcpl ) zmsk(:,:) = 1. - xcplmask(:,:,0)
1773	zicefr(:,:) = 1.- p_frld(:,:)
1774	zcptn(:,:) = rcp * sst_m(:,:)
1775	!
1776	! ! ========================= !
1777	! ! freshwater budget ! (emp_tot)
1778	! ! ========================= !
1779	!
1780	! ! solid Precipitation (sprecip)
1781	! ! liquid + solid Precipitation (tprecip)
1782	! ! total Evaporation - total Precipitation (emp_tot)
1783	! ! sublimation - solid precipitation (cell average) (emp_ice)
1784	SELECT CASE( TRIM( sn_rcv_emp%cldes ) )
1785	CASE( 'conservative' ) ! received fields: jpr_rain, jpr_snow, jpr_ievp, jpr_tevp
1786	zsprecip(:,:) = frcv(jpr_snow)%z3(:,:,1) ! May need to ensure positive here
1787	ztprecip(:,:) = frcv(jpr_rain)%z3(:,:,1) + zsprecip(:,:) ! May need to ensure positive here
1788	zemp_tot(:,:) = frcv(jpr_tevp)%z3(:,:,1) - ztprecip(:,:)
1789	#if defined key_cice
1790	IF ( TRIM(sn_rcv_emp%clcat) == 'yes' ) THEN
1791	! zemp_ice is the sum of frcv(jpr_ievp)%z3(:,:,1) over all layers - snow
1792	zemp_ice(:,:) = - frcv(jpr_snow)%z3(:,:,1)
1793	DO jl=1,jpl
1794	zemp_ice(:,: ) = zemp_ice(:,:) + frcv(jpr_ievp)%z3(:,:,jl)
1795	ENDDO
1796	! latent heat coupled for each category in CICE
1797	qla_ice(:,:,1:jpl) = - frcv(jpr_ievp)%z3(:,:,1:jpl) * lsub
1798	ELSE
1799	! If CICE has multicategories it still expects coupling fields for
1800	! each even if we treat as a single field
1801	! The latent heat flux is split between the ice categories according
1802	! to the fraction of the ice in each category
1803	zemp_ice(:,:) = frcv(jpr_ievp)%z3(:,:,1) - frcv(jpr_snow)%z3(:,:,1)
1804	WHERE ( zicefr(:,:) /= 0._wp )
1805	ztmp(:,:) = 1./zicefr(:,:)
1806	ELSEWHERE
1807	ztmp(:,:) = 0.e0
1808	END WHERE
1809	DO jl=1,jpl
1810	qla_ice(:,:,jl) = - a_i(:,:,jl) * ztmp(:,:) * frcv(jpr_ievp)%z3(:,:,1) * lsub
1811	END DO
1812	WHERE ( zicefr(:,:) == 0._wp ) qla_ice(:,:,1) = -frcv(jpr_ievp)%z3(:,:,1) * lsub
1813	ENDIF
1814	#else
1815	zemp_ice(:,:) = ( frcv(jpr_ievp)%z3(:,:,1) - frcv(jpr_snow)%z3(:,:,1) ) * zicefr(:,:)
1816	#endif
1817	CALL iom_put( 'rain' , frcv(jpr_rain)%z3(:,:,1) * tmask(:,:,1) ) ! liquid precipitation
1818	CALL iom_put( 'rain_ao_cea' , frcv(jpr_rain)%z3(:,:,1)* p_frld(:,:) * tmask(:,:,1) ) ! liquid precipitation
1819	IF( iom_use('hflx_rain_cea') ) &
1820	& CALL iom_put( 'hflx_rain_cea', frcv(jpr_rain)%z3(:,:,1) * zcptn(:,:) * tmask(:,:,1)) ! heat flux from liq. precip.
1821	IF( iom_use('hflx_prec_cea') ) &
1822	& CALL iom_put( 'hflx_prec_cea', ztprecip * zcptn(:,:) * tmask(:,:,1) * p_frld(:,:) ) ! heat content flux from all precip (cell avg)
1823	IF( iom_use('evap_ao_cea') .OR. iom_use('hflx_evap_cea') ) &
1824	& ztmp(:,:) = frcv(jpr_tevp)%z3(:,:,1) - frcv(jpr_ievp)%z3(:,:,1) * zicefr(:,:)
1825	IF( iom_use('evap_ao_cea' ) ) &
1826	& CALL iom_put( 'evap_ao_cea' , ztmp * tmask(:,:,1) ) ! ice-free oce evap (cell average)
1827	IF( iom_use('hflx_evap_cea') ) &
1828	& CALL iom_put( 'hflx_evap_cea', ztmp(:,:) * zcptn(:,:) * tmask(:,:,1) ) ! heat flux from from evap (cell average)
1829	CASE( 'oce and ice' ) ! received fields: jpr_sbpr, jpr_semp, jpr_oemp, jpr_ievp
1830	zemp_tot(:,:) = p_frld(:,:) * frcv(jpr_oemp)%z3(:,:,1) + zicefr(:,:) * frcv(jpr_sbpr)%z3(:,:,1)
1831	zemp_ice(:,:) = frcv(jpr_semp)%z3(:,:,1) * zicefr(:,:)
1832	zsprecip(:,:) = frcv(jpr_ievp)%z3(:,:,1) - frcv(jpr_semp)%z3(:,:,1)
1833	ztprecip(:,:) = frcv(jpr_semp)%z3(:,:,1) - frcv(jpr_sbpr)%z3(:,:,1) + zsprecip(:,:)
1834	END SELECT
1835
1836	#if defined key_lim3
1837	! zsnw = snow fraction over ice after wind blowing
1838	zsnw(:,:) = 0._wp ; CALL lim_thd_snwblow( p_frld, zsnw )
1839
1840	! --- evaporation minus precipitation corrected (because of wind blowing on snow) --- !
1841	zemp_ice(:,:) = zemp_ice(:,:) + zsprecip(:,:) * ( zicefr(:,:) - zsnw(:,:) ) ! emp_ice = A * sublimation - zsnw * sprecip
1842	zemp_oce(:,:) = zemp_tot(:,:) - zemp_ice(:,:) ! emp_oce = emp_tot - emp_ice
1843
1844	! --- evaporation over ocean (used later for qemp) --- !
1845	zevap_oce(:,:) = frcv(jpr_tevp)%z3(:,:,1) - frcv(jpr_ievp)%z3(:,:,1) * zicefr(:,:)
1846
1847	! --- evaporation over ice (kg/m2/s) --- !
1848	zevap_ice(:,:) = frcv(jpr_ievp)%z3(:,:,1)
1849	! since the sensitivity of evap to temperature (devap/dT) is not prescribed by the atmosphere, we set it to 0
1850	! therefore, sublimation is not redistributed over the ice categories in case no subgrid scale fluxes are provided by atm.
1851	zdevap_ice(:,:) = 0._wp
1852
1853	! --- runoffs (included in emp later on) --- !
1854	IF( srcv(jpr_rnf)%laction ) rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1855
1856	! --- calving (put in emp_tot and emp_oce) --- !
1857	IF( srcv(jpr_cal)%laction ) THEN
1858	zemp_tot(:,:) = zemp_tot(:,:) - frcv(jpr_cal)%z3(:,:,1)
1859	zemp_oce(:,:) = zemp_oce(:,:) - frcv(jpr_cal)%z3(:,:,1)
1860	CALL iom_put( 'calving_cea', frcv(jpr_cal)%z3(:,:,1) )
1861	ENDIF
1862
1863	IF( ln_mixcpl ) THEN
1864	emp_tot(:,:) = emp_tot(:,:) * xcplmask(:,:,0) + zemp_tot(:,:) * zmsk(:,:)
1865	emp_ice(:,:) = emp_ice(:,:) * xcplmask(:,:,0) + zemp_ice(:,:) * zmsk(:,:)
1866	emp_oce(:,:) = emp_oce(:,:) * xcplmask(:,:,0) + zemp_oce(:,:) * zmsk(:,:)
1867	sprecip(:,:) = sprecip(:,:) * xcplmask(:,:,0) + zsprecip(:,:) * zmsk(:,:)
1868	tprecip(:,:) = tprecip(:,:) * xcplmask(:,:,0) + ztprecip(:,:) * zmsk(:,:)
1869	DO jl=1,jpl
1870	evap_ice (:,:,jl) = evap_ice (:,:,jl) * xcplmask(:,:,0) + zevap_ice (:,:) * zmsk(:,:)
1871	devap_ice(:,:,jl) = devap_ice(:,:,jl) * xcplmask(:,:,0) + zdevap_ice(:,:) * zmsk(:,:)
1872	ENDDO
1873	ELSE
1874	emp_tot(:,:) = zemp_tot(:,:)
1875	emp_ice(:,:) = zemp_ice(:,:)
1876	emp_oce(:,:) = zemp_oce(:,:)
1877	sprecip(:,:) = zsprecip(:,:)
1878	tprecip(:,:) = ztprecip(:,:)
1879	DO jl=1,jpl
1880	evap_ice (:,:,jl) = zevap_ice (:,:)
1881	devap_ice(:,:,jl) = zdevap_ice(:,:)
1882	ENDDO
1883	ENDIF
1884
1885	IF( iom_use('subl_ai_cea') ) CALL iom_put( 'subl_ai_cea', zevap_ice(:,:) * zicefr(:,:) ) ! Sublimation over sea-ice (cell average)
1886	CALL iom_put( 'snowpre' , sprecip(:,:) ) ! Snow
1887	IF( iom_use('snow_ao_cea') ) CALL iom_put( 'snow_ao_cea', sprecip(:,:) * ( 1._wp - zsnw(:,:) ) ) ! Snow over ice-free ocean (cell average)
1888	IF( iom_use('snow_ai_cea') ) CALL iom_put( 'snow_ai_cea', sprecip(:,:) * zsnw(:,:) ) ! Snow over sea-ice (cell average)
1889	#else
1890	! runoffs and calving (put in emp_tot)
1891	IF( srcv(jpr_rnf)%laction ) rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1892	IF( iom_use('hflx_rnf_cea') ) &
1893	CALL iom_put( 'hflx_rnf_cea' , rnf(:,:) * zcptn(:,:) )
1894	IF( srcv(jpr_cal)%laction ) THEN
1895	zemp_tot(:,:) = zemp_tot(:,:) - frcv(jpr_cal)%z3(:,:,1)
1896	CALL iom_put( 'calving_cea', frcv(jpr_cal)%z3(:,:,1) )
1897	ENDIF
1898
1899	IF( ln_mixcpl ) THEN
1900	emp_tot(:,:) = emp_tot(:,:) * xcplmask(:,:,0) + zemp_tot(:,:) * zmsk(:,:)
1901	emp_ice(:,:) = emp_ice(:,:) * xcplmask(:,:,0) + zemp_ice(:,:) * zmsk(:,:)
1902	sprecip(:,:) = sprecip(:,:) * xcplmask(:,:,0) + zsprecip(:,:) * zmsk(:,:)
1903	tprecip(:,:) = tprecip(:,:) * xcplmask(:,:,0) + ztprecip(:,:) * zmsk(:,:)
1904	ELSE
1905	emp_tot(:,:) = zemp_tot(:,:)
1906	emp_ice(:,:) = zemp_ice(:,:)
1907	sprecip(:,:) = zsprecip(:,:)
1908	tprecip(:,:) = ztprecip(:,:)
1909	ENDIF
1910
1911	IF( iom_use('subl_ai_cea') ) CALL iom_put( 'subl_ai_cea', frcv(jpr_ievp)%z3(:,:,1) * zicefr(:,:) ) ! Sublimation over sea-ice (cell average)
1912	CALL iom_put( 'snowpre' , sprecip(:,:) ) ! Snow
1913	IF( iom_use('snow_ao_cea') ) CALL iom_put( 'snow_ao_cea', sprecip(:,:) * p_frld(:,:) ) ! Snow over ice-free ocean (cell average)
1914	IF( iom_use('snow_ai_cea') ) CALL iom_put( 'snow_ai_cea', sprecip(:,:) * zicefr(:,:) ) ! Snow over sea-ice (cell average)
1915	#endif
1916
1917	! ! ========================= !
1918	SELECT CASE( TRIM( sn_rcv_qns%cldes ) ) ! non solar heat fluxes ! (qns)
1919	! ! ========================= !
1920	CASE( 'oce only' ) ! the required field is directly provided
1921	zqns_tot(:,:) = frcv(jpr_qnsoce)%z3(:,:,1)
1922	CASE( 'conservative' ) ! the required fields are directly provided
1923	zqns_tot(:,:) = frcv(jpr_qnsmix)%z3(:,:,1)
1924	IF ( TRIM(sn_rcv_qns%clcat) == 'yes' ) THEN
1925	zqns_ice(:,:,1:jpl) = frcv(jpr_qnsice)%z3(:,:,1:jpl)
1926	ELSE
1927	DO jl=1,jpl
1928	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,1) ! Set all category values equal
1929	ENDDO
1930	ENDIF
1931	CASE( 'oce and ice' ) ! the total flux is computed from ocean and ice fluxes
1932	zqns_tot(:,:) = p_frld(:,:) * frcv(jpr_qnsoce)%z3(:,:,1)
1933	IF ( TRIM(sn_rcv_qns%clcat) == 'yes' ) THEN
1934	DO jl=1,jpl
1935	zqns_tot(:,: ) = zqns_tot(:,:) + a_i(:,:,jl) * frcv(jpr_qnsice)%z3(:,:,jl)
1936	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,jl)
1937	ENDDO
1938	ELSE
1939	qns_tot(:,:) = qns_tot(:,:) + zicefr(:,:) * frcv(jpr_qnsice)%z3(:,:,1)
1940	DO jl=1,jpl
1941	zqns_tot(:,: ) = zqns_tot(:,:) + zicefr(:,:) * frcv(jpr_qnsice)%z3(:,:,1)
1942	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,1)
1943	ENDDO
1944	ENDIF
1945	CASE( 'mixed oce-ice' ) ! the ice flux is cumputed from the total flux, the SST and ice informations
1946	! NEED TO SORT OUT HOW THIS SHOULD WORK IN THE MULTI-CATEGORY CASE - CURRENTLY NOT ALLOWED WHEN INTERFACE INITIALISED
1947	zqns_tot(:,: ) = frcv(jpr_qnsmix)%z3(:,:,1)
1948	zqns_ice(:,:,1) = frcv(jpr_qnsmix)%z3(:,:,1) &
1949	& + frcv(jpr_dqnsdt)%z3(:,:,1) * ( pist(:,:,1) - ( (rt0 + psst(:,: ) ) * p_frld(:,:) &
1950	& + pist(:,:,1) * zicefr(:,:) ) )
1951	END SELECT
1952	!!gm
1953	!! currently it is taken into account in leads budget but not in the zqns_tot, and thus not in
1954	!! the flux that enter the ocean....
1955	!! moreover 1 - it is not diagnose anywhere....
1956	!! 2 - it is unclear for me whether this heat lost is taken into account in the atmosphere or not...
1957	!!
1958	!! similar job should be done for snow and precipitation temperature
1959	!
1960	IF( srcv(jpr_cal)%laction ) THEN ! Iceberg melting
1961	zqns_tot(:,:) = zqns_tot(:,:) - frcv(jpr_cal)%z3(:,:,1) * lfus ! add the latent heat of iceberg melting
1962	! we suppose it melts at 0deg, though it should be temp. of surrounding ocean
1963	IF( iom_use('hflx_cal_cea') ) CALL iom_put( 'hflx_cal_cea', - frcv(jpr_cal)%z3(:,:,1) * lfus ) ! heat flux from calving
1964	ENDIF
1965
1966	#if defined key_lim3
1967	! --- non solar flux over ocean --- !
1968	! note: p_frld cannot be = 0 since we limit the ice concentration to amax
1969	zqns_oce = 0._wp
1970	WHERE( p_frld /= 0._wp ) zqns_oce(:,:) = ( zqns_tot(:,:) - SUM( a_i * zqns_ice, dim=3 ) ) / p_frld(:,:)
1971
1972	! --- heat flux associated with emp (W/m2) --- !
1973	zqemp_oce(:,:) = - zevap_oce(:,:) * zcptn(:,:) & ! evap
1974	& + ( ztprecip(:,:) - zsprecip(:,:) ) * zcptn(:,:) & ! liquid precip
1975	& + zsprecip(:,:) * ( 1._wp - zsnw ) * ( zcptn(:,:) - lfus ) ! solid precip over ocean + snow melting
1976	! zqemp_ice(:,:) = - frcv(jpr_ievp)%z3(:,:,1) * zicefr(:,:) * zcptn(:,:) & ! ice evap
1977	! & + zsprecip(:,:) * zsnw * ( zcptn(:,:) - lfus ) ! solid precip over ice
1978	zqemp_ice(:,:) = zsprecip(:,:) * zsnw * ( zcptn(:,:) - lfus ) ! solid precip over ice (only)
1979	! qevap_ice=0 since we consider Tice=0degC
1980
1981	! --- enthalpy of snow precip over ice in J/m3 (to be used in 1D-thermo) --- !
1982	zqprec_ice(:,:) = rhosn * ( zcptn(:,:) - lfus )
1983
1984	! --- heat content of evap over ice in W/m2 (to be used in 1D-thermo) --- !
1985	DO jl = 1, jpl
1986	zqevap_ice(:,:,jl) = 0._wp ! should be -evap * ( ( Tice - rt0 ) * cpic ) but we do not have Tice, so we consider Tice=0degC
1987	END DO
1988
1989	! --- total non solar flux (including evap/precip) --- !
1990	zqns_tot(:,:) = zqns_tot(:,:) + zqemp_ice(:,:) + zqemp_oce(:,:)
1991
1992	! --- in case both coupled/forced are active, we must mix values --- !
1993	IF( ln_mixcpl ) THEN
1994	qns_tot(:,:) = qns_tot(:,:) * xcplmask(:,:,0) + zqns_tot(:,:)* zmsk(:,:)
1995	qns_oce(:,:) = qns_oce(:,:) * xcplmask(:,:,0) + zqns_oce(:,:)* zmsk(:,:)
1996	DO jl=1,jpl
1997	qns_ice (:,:,jl) = qns_ice (:,:,jl) * xcplmask(:,:,0) + zqns_ice (:,:,jl)* zmsk(:,:)
1998	qevap_ice(:,:,jl) = qevap_ice(:,:,jl) * xcplmask(:,:,0) + zqevap_ice(:,:,jl)* zmsk(:,:)
1999	ENDDO
2000	qprec_ice(:,:) = qprec_ice(:,:) * xcplmask(:,:,0) + zqprec_ice(:,:)* zmsk(:,:)
2001	qemp_oce (:,:) = qemp_oce(:,:) * xcplmask(:,:,0) + zqemp_oce(:,:)* zmsk(:,:)
2002	qemp_ice (:,:) = qemp_ice(:,:) * xcplmask(:,:,0) + zqemp_ice(:,:)* zmsk(:,:)
2003	ELSE
2004	qns_tot (:,: ) = zqns_tot (:,: )
2005	qns_oce (:,: ) = zqns_oce (:,: )
2006	qns_ice (:,:,:) = zqns_ice (:,:,:)
2007	qevap_ice(:,:,:) = zqevap_ice(:,:,:)
2008	qprec_ice(:,: ) = zqprec_ice(:,: )
2009	qemp_oce (:,: ) = zqemp_oce (:,: )
2010	qemp_ice (:,: ) = zqemp_ice (:,: )
2011	ENDIF
2012
2013	!! clem: we should output qemp_oce and qemp_ice (at least)
2014	IF( iom_use('hflx_snow_cea') ) CALL iom_put( 'hflx_snow_cea', sprecip(:,:) * ( zcptn(:,:) - Lfus ) ) ! heat flux from snow (cell average)
2015	!! these diags are not outputed yet
2016	!! IF( iom_use('hflx_rain_cea') ) CALL iom_put( 'hflx_rain_cea', ( tprecip(:,:) - sprecip(:,:) ) * zcptn(:,:) ) ! heat flux from rain (cell average)
2017	!! 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)
2018	!! IF( iom_use('hflx_snow_ai_cea') ) CALL iom_put( 'hflx_snow_ai_cea', sprecip(:,:) * ( zcptn(:,:) - Lfus ) * zsnw(:,:) ) ! heat flux from snow (cell average)
2019
2020	#else
2021	! clem: this formulation is certainly wrong... but better than it was...
2022
2023	zqns_tot(:,:) = zqns_tot(:,:) & ! zqns_tot update over free ocean with:
2024	& - (p_frld(:,:) * zsprecip(:,:) * lfus) & ! remove the latent heat flux of solid precip. melting
2025	& - ( zemp_tot(:,:) & ! remove the heat content of mass flux (assumed to be at SST)
2026	& - zemp_ice(:,:) ) * zcptn(:,:)
2027
2028	IF( ln_mixcpl ) THEN
2029	qns_tot(:,:) = qns(:,:) * p_frld(:,:) + SUM( qns_ice(:,:,:) * a_i(:,:,:), dim=3 ) ! total flux from blk
2030	qns_tot(:,:) = qns_tot(:,:) * xcplmask(:,:,0) + zqns_tot(:,:)* zmsk(:,:)
2031	DO jl=1,jpl
2032	qns_ice(:,:,jl) = qns_ice(:,:,jl) * xcplmask(:,:,0) + zqns_ice(:,:,jl)* zmsk(:,:)
2033	ENDDO
2034	ELSE
2035	qns_tot(:,: ) = zqns_tot(:,: )
2036	qns_ice(:,:,:) = zqns_ice(:,:,:)
2037	ENDIF
2038	#endif
2039
2040	! ! ========================= !
2041	SELECT CASE( TRIM( sn_rcv_qsr%cldes ) ) ! solar heat fluxes ! (qsr)
2042	! ! ========================= !
2043	CASE( 'oce only' )
2044	zqsr_tot(:,: ) = MAX( 0._wp , frcv(jpr_qsroce)%z3(:,:,1) )
2045	CASE( 'conservative' )
2046	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
2047	IF ( TRIM(sn_rcv_qsr%clcat) == 'yes' ) THEN
2048	zqsr_ice(:,:,1:jpl) = frcv(jpr_qsrice)%z3(:,:,1:jpl)
2049	ELSE
2050	! Set all category values equal for the moment
2051	DO jl=1,jpl
2052	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,1)
2053	ENDDO
2054	ENDIF
2055	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
2056	zqsr_ice(:,:,1) = frcv(jpr_qsrice)%z3(:,:,1)
2057	CASE( 'oce and ice' )
2058	zqsr_tot(:,: ) = p_frld(:,:) * frcv(jpr_qsroce)%z3(:,:,1)
2059	IF ( TRIM(sn_rcv_qsr%clcat) == 'yes' ) THEN
2060	DO jl=1,jpl
2061	zqsr_tot(:,: ) = zqsr_tot(:,:) + a_i(:,:,jl) * frcv(jpr_qsrice)%z3(:,:,jl)
2062	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,jl)
2063	ENDDO
2064	ELSE
2065	qsr_tot(:,: ) = qsr_tot(:,:) + zicefr(:,:) * frcv(jpr_qsrice)%z3(:,:,1)
2066	DO jl=1,jpl
2067	zqsr_tot(:,: ) = zqsr_tot(:,:) + zicefr(:,:) * frcv(jpr_qsrice)%z3(:,:,1)
2068	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,1)
2069	ENDDO
2070	ENDIF
2071	CASE( 'mixed oce-ice' )
2072	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
2073	! NEED TO SORT OUT HOW THIS SHOULD WORK IN THE MULTI-CATEGORY CASE - CURRENTLY NOT ALLOWED WHEN INTERFACE INITIALISED
2074	! Create solar heat flux over ice using incoming solar heat flux and albedos
2075	! ( see OASIS3 user guide, 5th edition, p39 )
2076	zqsr_ice(:,:,1) = frcv(jpr_qsrmix)%z3(:,:,1) * ( 1.- palbi(:,:,1) ) &
2077	& / ( 1.- ( albedo_oce_mix(:,: ) * p_frld(:,:) &
2078	& + palbi (:,:,1) * zicefr(:,:) ) )
2079	END SELECT
2080	IF( ln_dm2dc .AND. ln_cpl ) THEN ! modify qsr to include the diurnal cycle
2081	zqsr_tot(:,: ) = sbc_dcy( zqsr_tot(:,: ) )
2082	DO jl=1,jpl
2083	zqsr_ice(:,:,jl) = sbc_dcy( zqsr_ice(:,:,jl) )
2084	ENDDO
2085	ENDIF
2086
2087	#if defined key_lim3
2088	! --- solar flux over ocean --- !
2089	! note: p_frld cannot be = 0 since we limit the ice concentration to amax
2090	zqsr_oce = 0._wp
2091	WHERE( p_frld /= 0._wp ) zqsr_oce(:,:) = ( zqsr_tot(:,:) - SUM( a_i * zqsr_ice, dim=3 ) ) / p_frld(:,:)
2092
2093	IF( ln_mixcpl ) THEN ; qsr_oce(:,:) = qsr_oce(:,:) * xcplmask(:,:,0) + zqsr_oce(:,:)* zmsk(:,:)
2094	ELSE ; qsr_oce(:,:) = zqsr_oce(:,:) ; ENDIF
2095	#endif
2096
2097	IF( ln_mixcpl ) THEN
2098	qsr_tot(:,:) = qsr(:,:) * p_frld(:,:) + SUM( qsr_ice(:,:,:) * a_i(:,:,:), dim=3 ) ! total flux from blk
2099	qsr_tot(:,:) = qsr_tot(:,:) * xcplmask(:,:,0) + zqsr_tot(:,:)* zmsk(:,:)
2100	DO jl=1,jpl
2101	qsr_ice(:,:,jl) = qsr_ice(:,:,jl) * xcplmask(:,:,0) + zqsr_ice(:,:,jl)* zmsk(:,:)
2102	ENDDO
2103	ELSE
2104	qsr_tot(:,: ) = zqsr_tot(:,: )
2105	qsr_ice(:,:,:) = zqsr_ice(:,:,:)
2106	ENDIF
2107
2108	! ! ========================= !
2109	SELECT CASE( TRIM( sn_rcv_dqnsdt%cldes ) ) ! d(qns)/dt !
2110	! ! ========================= !
2111	CASE ('coupled')
2112	IF ( TRIM(sn_rcv_dqnsdt%clcat) == 'yes' ) THEN
2113	zdqns_ice(:,:,1:jpl) = frcv(jpr_dqnsdt)%z3(:,:,1:jpl)
2114	ELSE
2115	! Set all category values equal for the moment
2116	DO jl=1,jpl
2117	zdqns_ice(:,:,jl) = frcv(jpr_dqnsdt)%z3(:,:,1)
2118	ENDDO
2119	ENDIF
2120	END SELECT
2121
2122	IF( ln_mixcpl ) THEN
2123	DO jl=1,jpl
2124	dqns_ice(:,:,jl) = dqns_ice(:,:,jl) * xcplmask(:,:,0) + zdqns_ice(:,:,jl) * zmsk(:,:)
2125	ENDDO
2126	ELSE
2127	dqns_ice(:,:,:) = zdqns_ice(:,:,:)
2128	ENDIF
2129
2130	! ! ========================= !
2131	SELECT CASE( TRIM( sn_rcv_iceflx%cldes ) ) ! topmelt and botmelt !
2132	! ! ========================= !
2133	CASE ('coupled')
2134	topmelt(:,:,:)=frcv(jpr_topm)%z3(:,:,:)
2135	botmelt(:,:,:)=frcv(jpr_botm)%z3(:,:,:)
2136	END SELECT
2137
2138	! Surface transimission parameter io (Maykut Untersteiner , 1971 ; Ebert and Curry, 1993 )
2139	! Used for LIM2 and LIM3
2140	! Coupled case: since cloud cover is not received from atmosphere
2141	! ===> used prescribed cloud fraction representative for polar oceans in summer (0.81)
2142	fr1_i0(:,:) = ( 0.18 * ( 1.0 - cldf_ice ) + 0.35 * cldf_ice )
2143	fr2_i0(:,:) = ( 0.82 * ( 1.0 - cldf_ice ) + 0.65 * cldf_ice )
2144
2145	CALL wrk_dealloc( jpi,jpj, zcptn, ztmp, zicefr, zmsk, zsnw )
2146	CALL wrk_dealloc( jpi,jpj, zemp_tot, zemp_ice, zemp_oce, ztprecip, zsprecip, zevap_oce, zevap_ice, zdevap_ice )
2147	CALL wrk_dealloc( jpi,jpj, zqns_tot, zqns_oce, zqsr_tot, zqsr_oce, zqprec_ice, zqemp_oce, zqemp_ice )
2148	CALL wrk_dealloc( jpi,jpj,jpl, zqns_ice, zqsr_ice, zdqns_ice, zqevap_ice )
2149	!
2150	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_ice_flx')
2151	!
2152	END SUBROUTINE sbc_cpl_ice_flx
2153
2154
2155	SUBROUTINE sbc_cpl_snd( kt )
2156	!!----------------------------------------------------------------------
2157	!! * ROUTINE sbc_cpl_snd *
2158	!!
2159	!! ** Purpose : provide the ocean-ice informations to the atmosphere
2160	!!
2161	!! ** Method : send to the atmosphere through a call to cpl_snd
2162	!! all the needed fields (as defined in sbc_cpl_init)
2163	!!----------------------------------------------------------------------
2164	INTEGER, INTENT(in) :: kt
2165	!
2166	INTEGER :: ji, jj, jl ! dummy loop indices
2167	INTEGER :: ikchoix
2168	INTEGER :: isec, info ! local integer
2169	REAL(wp) :: zumax, zvmax
2170	REAL(wp), POINTER, DIMENSION(:,:) :: zfr_l, ztmp1, ztmp2, zotx1, zoty1, zotz1, zitx1, zity1, zitz1
2171	REAL(wp), POINTER, DIMENSION(:,:) :: zotx1_in, zoty1_in
2172	REAL(wp), POINTER, DIMENSION(:,:,:) :: ztmp3, ztmp4
2173	!!----------------------------------------------------------------------
2174	!
2175	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_snd')
2176	!
2177	CALL wrk_alloc( jpi,jpj, zfr_l, ztmp1, ztmp2, zotx1, zoty1, zotz1, zitx1, zity1, zitz1 )
2178	CALL wrk_alloc( jpi,jpj, zotx1_in, zoty1_in)
2179	CALL wrk_alloc( jpi,jpj,jpl, ztmp3, ztmp4 )
2180
2181	isec = ( kt - nit000 ) * NINT(rdttra(1)) ! date of exchanges
2182
2183	zfr_l(:,:) = 1.- fr_i(:,:)
2184	! ! ------------------------- !
2185	! ! Surface temperature ! in Kelvin
2186	! ! ------------------------- !
2187	IF( ssnd(jps_toce)%laction .OR. ssnd(jps_tice)%laction .OR. ssnd(jps_tmix)%laction ) THEN
2188
2189	IF ( nn_components == jp_iam_opa ) THEN
2190	ztmp1(:,:) = tsn(:,:,1,jp_tem) ! send temperature as it is (potential or conservative) -> use of ln_useCT on the received part
2191	ELSE
2192	! we must send the surface potential temperature
2193	IF( ln_useCT ) THEN ; ztmp1(:,:) = eos_pt_from_ct( tsn(:,:,1,jp_tem), tsn(:,:,1,jp_sal) )
2194	ELSE ; ztmp1(:,:) = tsn(:,:,1,jp_tem)
2195	ENDIF
2196	!
2197	SELECT CASE( sn_snd_temp%cldes)
2198	CASE( 'oce only' ) ; ztmp1(:,:) = ztmp1(:,:) + rt0
2199	CASE( 'oce and ice' ) ; ztmp1(:,:) = ztmp1(:,:) + rt0
2200	SELECT CASE( sn_snd_temp%clcat )
2201	CASE( 'yes' )
2202	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl)
2203	CASE( 'no' )
2204	WHERE( SUM( a_i, dim=3 ) /= 0. )
2205	ztmp3(:,:,1) = SUM( tn_ice * a_i, dim=3 ) / SUM( a_i, dim=3 )
2206	ELSEWHERE
2207	ztmp3(:,:,1) = rt0
2208	END WHERE
2209	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
2210	END SELECT
2211	CASE( 'weighted oce and ice' ) ; ztmp1(:,:) = ( ztmp1(:,:) + rt0 ) * zfr_l(:,:)
2212	SELECT CASE( sn_snd_temp%clcat )
2213	CASE( 'yes' )
2214	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2215	CASE( 'no' )
2216	ztmp3(:,:,:) = 0.0
2217	DO jl=1,jpl
2218	ztmp3(:,:,1) = ztmp3(:,:,1) + tn_ice(:,:,jl) * a_i(:,:,jl)
2219	ENDDO
2220	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
2221	END SELECT
2222	CASE( 'oce and weighted ice' ) ; ztmp1(:,:) = tsn(:,:,1,jp_tem) + rt0
2223	SELECT CASE( sn_snd_temp%clcat )
2224	CASE( 'yes' )
2225	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2226	CASE( 'no' )
2227	ztmp3(:,:,:) = 0.0
2228	DO jl=1,jpl
2229	ztmp3(:,:,1) = ztmp3(:,:,1) + tn_ice(:,:,jl) * a_i(:,:,jl)
2230	ENDDO
2231	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
2232	END SELECT
2233	CASE( 'mixed oce-ice' )
2234	ztmp1(:,:) = ( ztmp1(:,:) + rt0 ) * zfr_l(:,:)
2235	DO jl=1,jpl
2236	ztmp1(:,:) = ztmp1(:,:) + tn_ice(:,:,jl) * a_i(:,:,jl)
2237	ENDDO
2238	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%cldes' )
2239	END SELECT
2240	ENDIF
2241	IF( ssnd(jps_toce)%laction ) CALL cpl_snd( jps_toce, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2242	IF( ssnd(jps_tice)%laction ) CALL cpl_snd( jps_tice, isec, ztmp3, info )
2243	IF( ssnd(jps_tmix)%laction ) CALL cpl_snd( jps_tmix, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2244	ENDIF
2245	! ! ------------------------- !
2246	! ! Albedo !
2247	! ! ------------------------- !
2248	IF( ssnd(jps_albice)%laction ) THEN ! ice
2249	SELECT CASE( sn_snd_alb%cldes )
2250	CASE( 'ice' )
2251	SELECT CASE( sn_snd_alb%clcat )
2252	CASE( 'yes' )
2253	ztmp3(:,:,1:jpl) = alb_ice(:,:,1:jpl)
2254	CASE( 'no' )
2255	WHERE( SUM( a_i, dim=3 ) /= 0. )
2256	ztmp1(:,:) = SUM( alb_ice (:,:,1:jpl) * a_i(:,:,1:jpl), dim=3 ) / SUM( a_i(:,:,1:jpl), dim=3 )
2257	ELSEWHERE
2258	ztmp1(:,:) = albedo_oce_mix(:,:)
2259	END WHERE
2260	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_alb%clcat' )
2261	END SELECT
2262	CASE( 'weighted ice' ) ;
2263	SELECT CASE( sn_snd_alb%clcat )
2264	CASE( 'yes' )
2265	ztmp3(:,:,1:jpl) = alb_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2266	CASE( 'no' )
2267	WHERE( fr_i (:,:) > 0. )
2268	ztmp1(:,:) = SUM ( alb_ice(:,:,1:jpl) * a_i(:,:,1:jpl), dim=3 )
2269	ELSEWHERE
2270	ztmp1(:,:) = 0.
2271	END WHERE
2272	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_ice%clcat' )
2273	END SELECT
2274	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_alb%cldes' )
2275	END SELECT
2276
2277	SELECT CASE( sn_snd_alb%clcat )
2278	CASE( 'yes' )
2279	CALL cpl_snd( jps_albice, isec, ztmp3, info ) !-> MV this has never been checked in coupled mode
2280	CASE( 'no' )
2281	CALL cpl_snd( jps_albice, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2282	END SELECT
2283	ENDIF
2284
2285	IF( ssnd(jps_albmix)%laction ) THEN ! mixed ice-ocean
2286	ztmp1(:,:) = albedo_oce_mix(:,:) * zfr_l(:,:)
2287	DO jl=1,jpl
2288	ztmp1(:,:) = ztmp1(:,:) + alb_ice(:,:,jl) * a_i(:,:,jl)
2289	ENDDO
2290	CALL cpl_snd( jps_albmix, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2291	ENDIF
2292	! ! ------------------------- !
2293	! ! Ice fraction & Thickness !
2294	! ! ------------------------- !
2295	! Send ice fraction field to atmosphere
2296	IF( ssnd(jps_fice)%laction ) THEN
2297	SELECT CASE( sn_snd_thick%clcat )
2298	CASE( 'yes' ) ; ztmp3(:,:,1:jpl) = a_i(:,:,1:jpl)
2299	CASE( 'no' ) ; ztmp3(:,:,1 ) = fr_i(:,: )
2300	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
2301	END SELECT
2302	IF( ssnd(jps_fice)%laction ) CALL cpl_snd( jps_fice, isec, ztmp3, info )
2303	ENDIF
2304
2305	! Send ice fraction field (first order interpolation), for weighting UM fluxes to be passed to NEMO
2306	IF (ssnd(jps_fice1)%laction) THEN
2307	SELECT CASE (sn_snd_thick1%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_thick1%clcat' )
2311	END SELECT
2312	CALL cpl_snd (jps_fice1, isec, ztmp3, info)
2313	ENDIF
2314
2315	! Send ice fraction field to OPA (sent by SAS in SAS-OPA coupling)
2316	IF( ssnd(jps_fice2)%laction ) THEN
2317	ztmp3(:,:,1) = fr_i(:,:)
2318	IF( ssnd(jps_fice2)%laction ) CALL cpl_snd( jps_fice2, isec, ztmp3, info )
2319	ENDIF
2320
2321	! Send ice and snow thickness field
2322	IF( ssnd(jps_hice)%laction .OR. ssnd(jps_hsnw)%laction ) THEN
2323	SELECT CASE( sn_snd_thick%cldes)
2324	CASE( 'none' ) ! nothing to do
2325	CASE( 'weighted ice and snow' )
2326	SELECT CASE( sn_snd_thick%clcat )
2327	CASE( 'yes' )
2328	ztmp3(:,:,1:jpl) = ht_i(:,:,1:jpl) * a_i(:,:,1:jpl)
2329	ztmp4(:,:,1:jpl) = ht_s(:,:,1:jpl) * a_i(:,:,1:jpl)
2330	CASE( 'no' )
2331	ztmp3(:,:,:) = 0.0 ; ztmp4(:,:,:) = 0.0
2332	DO jl=1,jpl
2333	ztmp3(:,:,1) = ztmp3(:,:,1) + ht_i(:,:,jl) * a_i(:,:,jl)
2334	ztmp4(:,:,1) = ztmp4(:,:,1) + ht_s(:,:,jl) * a_i(:,:,jl)
2335	ENDDO
2336	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
2337	END SELECT
2338	CASE( 'ice and snow' )
2339	SELECT CASE( sn_snd_thick%clcat )
2340	CASE( 'yes' )
2341	ztmp3(:,:,1:jpl) = ht_i(:,:,1:jpl)
2342	ztmp4(:,:,1:jpl) = ht_s(:,:,1:jpl)
2343	CASE( 'no' )
2344	WHERE( SUM( a_i, dim=3 ) /= 0. )
2345	ztmp3(:,:,1) = SUM( ht_i * a_i, dim=3 ) / SUM( a_i, dim=3 )
2346	ztmp4(:,:,1) = SUM( ht_s * a_i, dim=3 ) / SUM( a_i, dim=3 )
2347	ELSEWHERE
2348	ztmp3(:,:,1) = 0.
2349	ztmp4(:,:,1) = 0.
2350	END WHERE
2351	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
2352	END SELECT
2353	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%cldes' )
2354	END SELECT
2355	IF( ssnd(jps_hice)%laction ) CALL cpl_snd( jps_hice, isec, ztmp3, info )
2356	IF( ssnd(jps_hsnw)%laction ) CALL cpl_snd( jps_hsnw, isec, ztmp4, info )
2357	ENDIF
2358	!
2359	#if defined key_cice && ! defined key_cice4
2360	! Send meltpond fields
2361	IF( ssnd(jps_a_p)%laction .OR. ssnd(jps_ht_p)%laction ) THEN
2362	SELECT CASE( sn_snd_mpnd%cldes)
2363	CASE( 'weighted ice' )
2364	SELECT CASE( sn_snd_mpnd%clcat )
2365	CASE( 'yes' )
2366	ztmp3(:,:,1:jpl) = a_p(:,:,1:jpl) * a_i(:,:,1:jpl)
2367	ztmp4(:,:,1:jpl) = ht_p(:,:,1:jpl) * a_i(:,:,1:jpl)
2368	CASE( 'no' )
2369	ztmp3(:,:,:) = 0.0
2370	ztmp4(:,:,:) = 0.0
2371	DO jl=1,jpl
2372	ztmp3(:,:,1) = ztmp3(:,:,1) + a_p(:,:,jpl) * a_i(:,:,jpl)
2373	ztmp4(:,:,1) = ztmp4(:,:,1) + ht_p(:,:,jpl) * a_i(:,:,jpl)
2374	ENDDO
2375	CASE default ; CALL ctl_stop( 'sbc_cpl_mpd: wrong definition of sn_snd_mpnd%clcat' )
2376	END SELECT
2377	CASE( 'ice only' )
2378	ztmp3(:,:,1:jpl) = a_p(:,:,1:jpl)
2379	ztmp4(:,:,1:jpl) = ht_p(:,:,1:jpl)
2380	END SELECT
2381	IF( ssnd(jps_a_p)%laction ) CALL cpl_snd( jps_a_p, isec, ztmp3, info )
2382	IF( ssnd(jps_ht_p)%laction ) CALL cpl_snd( jps_ht_p, isec, ztmp4, info )
2383	!
2384	! Send ice effective conductivity
2385	SELECT CASE( sn_snd_cond%cldes)
2386	CASE( 'weighted ice' )
2387	SELECT CASE( sn_snd_cond%clcat )
2388	CASE( 'yes' )
2389	ztmp3(:,:,1:jpl) = kn_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2390	CASE( 'no' )
2391	ztmp3(:,:,:) = 0.0
2392	DO jl=1,jpl
2393	ztmp3(:,:,1) = ztmp3(:,:,1) + kn_ice(:,:,jl) * a_i(:,:,jl)
2394	ENDDO
2395	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_cond%clcat' )
2396	END SELECT
2397	CASE( 'ice only' )
2398	ztmp3(:,:,1:jpl) = kn_ice(:,:,1:jpl)
2399	END SELECT
2400	IF( ssnd(jps_kice)%laction ) CALL cpl_snd( jps_kice, isec, ztmp3, info )
2401	ENDIF
2402	#endif
2403	!
2404	!
2405	#if defined key_cpl_carbon_cycle
2406	! ! ------------------------- !
2407	! ! CO2 flux from PISCES !
2408	! ! ------------------------- !
2409	IF( ssnd(jps_co2)%laction ) CALL cpl_snd( jps_co2, isec, RESHAPE ( oce_co2, (/jpi,jpj,1/) ) , info )
2410	!
2411	#endif
2412
2413
2414
2415	IF (ln_medusa) THEN
2416	! ! ---------------------------------------------- !
2417	! ! CO2 flux, DMS and chlorophyll from MEDUSA !
2418	! ! ---------------------------------------------- !
2419	IF ( ssnd(jps_bio_co2)%laction ) THEN
2420	CALL cpl_snd( jps_bio_co2, isec, RESHAPE( CO2Flux_out_cpl, (/jpi,jpj,1/) ), info )
2421	ENDIF
2422
2423	IF ( ssnd(jps_bio_dms)%laction ) THEN
2424	CALL cpl_snd( jps_bio_dms, isec, RESHAPE( DMS_out_cpl, (/jpi,jpj,1/) ), info )
2425	ENDIF
2426
2427	IF ( ssnd(jps_bio_chloro)%laction ) THEN
2428	CALL cpl_snd( jps_bio_chloro, isec, RESHAPE( chloro_out_cpl, (/jpi,jpj,1/) ), info )
2429	ENDIF
2430	ENDIF
2431
2432	! ! ------------------------- !
2433	IF( ssnd(jps_ocx1)%laction ) THEN ! Surface current !
2434	! ! ------------------------- !
2435	!
2436	! j+1 j -----V---F
2437	! surface velocity always sent from T point ! \|
2438	! [except for HadGEM3] j \| T U
2439	! \| \|
2440	! j j-1 -I-------\|
2441	! (for I) \| \|
2442	! i-1 i i
2443	! i i+1 (for I)
2444	IF( nn_components == jp_iam_opa ) THEN
2445	zotx1(:,:) = un(:,:,1)
2446	zoty1(:,:) = vn(:,:,1)
2447	ELSE
2448	SELECT CASE( TRIM( sn_snd_crt%cldes ) )
2449	CASE( 'oce only' ) ! C-grid ==> T
2450	IF ( TRIM( sn_snd_crt%clvgrd ) == 'T' ) THEN
2451	DO jj = 2, jpjm1
2452	DO ji = fs_2, fs_jpim1 ! vector opt.
2453	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) )
2454	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) )
2455	END DO
2456	END DO
2457	ELSE
2458	! Temporarily Changed for UKV
2459	DO jj = 2, jpjm1
2460	DO ji = 2, jpim1
2461	zotx1(ji,jj) = un(ji,jj,1)
2462	zoty1(ji,jj) = vn(ji,jj,1)
2463	END DO
2464	END DO
2465	ENDIF
2466	CASE( 'weighted oce and ice' )
2467	SELECT CASE ( cp_ice_msh )
2468	CASE( 'C' ) ! Ocean and Ice on C-grid ==> T
2469	DO jj = 2, jpjm1
2470	DO ji = fs_2, fs_jpim1 ! vector opt.
2471	zotx1(ji,jj) = 0.5 * ( un (ji,jj,1) + un (ji-1,jj ,1) ) * zfr_l(ji,jj)
2472	zoty1(ji,jj) = 0.5 * ( vn (ji,jj,1) + vn (ji ,jj-1,1) ) * zfr_l(ji,jj)
2473	zitx1(ji,jj) = 0.5 * ( u_ice(ji,jj ) + u_ice(ji-1,jj ) ) * fr_i(ji,jj)
2474	zity1(ji,jj) = 0.5 * ( v_ice(ji,jj ) + v_ice(ji ,jj-1 ) ) * fr_i(ji,jj)
2475	END DO
2476	END DO
2477	CASE( 'I' ) ! Ocean on C grid, Ice on I-point (B-grid) ==> T
2478	DO jj = 2, jpjm1
2479	DO ji = 2, jpim1 ! NO vector opt.
2480	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) ) * zfr_l(ji,jj)
2481	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) ) * zfr_l(ji,jj)
2482	zitx1(ji,jj) = 0.25 * ( u_ice(ji+1,jj+1) + u_ice(ji,jj+1) &
2483	& + u_ice(ji+1,jj ) + u_ice(ji,jj ) ) * fr_i(ji,jj)
2484	zity1(ji,jj) = 0.25 * ( v_ice(ji+1,jj+1) + v_ice(ji,jj+1) &
2485	& + v_ice(ji+1,jj ) + v_ice(ji,jj ) ) * fr_i(ji,jj)
2486	END DO
2487	END DO
2488	CASE( 'F' ) ! Ocean on C grid, Ice on F-point (B-grid) ==> T
2489	DO jj = 2, jpjm1
2490	DO ji = 2, jpim1 ! NO vector opt.
2491	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) ) * zfr_l(ji,jj)
2492	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) ) * zfr_l(ji,jj)
2493	zitx1(ji,jj) = 0.25 * ( u_ice(ji-1,jj-1) + u_ice(ji,jj-1) &
2494	& + u_ice(ji-1,jj ) + u_ice(ji,jj ) ) * fr_i(ji,jj)
2495	zity1(ji,jj) = 0.25 * ( v_ice(ji-1,jj-1) + v_ice(ji,jj-1) &
2496	& + v_ice(ji-1,jj ) + v_ice(ji,jj ) ) * fr_i(ji,jj)
2497	END DO
2498	END DO
2499	END SELECT
2500	CALL lbc_lnk( zitx1, 'T', -1. ) ; CALL lbc_lnk( zity1, 'T', -1. )
2501	CASE( 'mixed oce-ice' )
2502	SELECT CASE ( cp_ice_msh )
2503	CASE( 'C' ) ! Ocean and Ice on C-grid ==> T
2504	DO jj = 2, jpjm1
2505	DO ji = fs_2, fs_jpim1 ! vector opt.
2506	zotx1(ji,jj) = 0.5 * ( un (ji,jj,1) + un (ji-1,jj ,1) ) * zfr_l(ji,jj) &
2507	& + 0.5 * ( u_ice(ji,jj ) + u_ice(ji-1,jj ) ) * fr_i(ji,jj)
2508	zoty1(ji,jj) = 0.5 * ( vn (ji,jj,1) + vn (ji ,jj-1,1) ) * zfr_l(ji,jj) &
2509	& + 0.5 * ( v_ice(ji,jj ) + v_ice(ji ,jj-1 ) ) * fr_i(ji,jj)
2510	END DO
2511	END DO
2512	CASE( 'I' ) ! Ocean on C grid, Ice on I-point (B-grid) ==> T
2513	DO jj = 2, jpjm1
2514	DO ji = 2, jpim1 ! NO vector opt.
2515	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) ) * zfr_l(ji,jj) &
2516	& + 0.25 * ( u_ice(ji+1,jj+1) + u_ice(ji,jj+1) &
2517	& + u_ice(ji+1,jj ) + u_ice(ji,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	& + 0.25 * ( v_ice(ji+1,jj+1) + v_ice(ji,jj+1) &
2520	& + v_ice(ji+1,jj ) + v_ice(ji,jj ) ) * fr_i(ji,jj)
2521	END DO
2522	END DO
2523	CASE( 'F' ) ! Ocean on C grid, Ice on F-point (B-grid) ==> T
2524	IF ( TRIM( sn_snd_crt%clvgrd ) == 'T' ) THEN
2525	DO jj = 2, jpjm1
2526	DO ji = 2, jpim1 ! NO vector opt.
2527	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj,1) ) * zfr_l(ji,jj) &
2528	& + 0.25 * ( u_ice(ji-1,jj-1) + u_ice(ji,jj-1) &
2529	& + u_ice(ji-1,jj ) + u_ice(ji,jj ) ) * fr_i(ji,jj)
2530	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji,jj-1,1) ) * zfr_l(ji,jj) &
2531	& + 0.25 * ( v_ice(ji-1,jj-1) + v_ice(ji,jj-1) &
2532	& + v_ice(ji-1,jj ) + v_ice(ji,jj ) ) * fr_i(ji,jj)
2533	END DO
2534	END DO
2535	#if defined key_cice
2536	ELSE
2537	! Temporarily Changed for HadGEM3
2538	DO jj = 2, jpjm1
2539	DO ji = 2, jpim1 ! NO vector opt.
2540	zotx1(ji,jj) = (1.0-fr_iu(ji,jj)) * un(ji,jj,1) &
2541	& + fr_iu(ji,jj) * 0.5 * ( u_ice(ji,jj-1) + u_ice(ji,jj) )
2542	zoty1(ji,jj) = (1.0-fr_iv(ji,jj)) * vn(ji,jj,1) &
2543	& + fr_iv(ji,jj) * 0.5 * ( v_ice(ji-1,jj) + v_ice(ji,jj) )
2544	END DO
2545	END DO
2546	#endif
2547	ENDIF
2548	END SELECT
2549	END SELECT
2550	CALL lbc_lnk( zotx1, ssnd(jps_ocx1)%clgrid, -1. ) ; CALL lbc_lnk( zoty1, ssnd(jps_ocy1)%clgrid, -1. )
2551	!
2552	ENDIF
2553	!
2554	!
2555	IF( TRIM( sn_snd_crt%clvor ) == 'eastward-northward' ) THEN ! Rotation of the components
2556	! ! Ocean component
2557	IF ( TRIM( sn_snd_crt%clvgrd ) == 'T' ) THEN
2558	CALL rot_rep( zotx1, zoty1, ssnd(jps_ocx1)%clgrid, 'ij->e', ztmp1 ) ! 1st component
2559	CALL rot_rep( zotx1, zoty1, ssnd(jps_ocx1)%clgrid, 'ij->n', ztmp2 ) ! 2nd component
2560	zotx1(:,:) = ztmp1(:,:) ! overwrite the components
2561	zoty1(:,:) = ztmp2(:,:)
2562	IF( ssnd(jps_ivx1)%laction ) THEN ! Ice component
2563	CALL rot_rep( zitx1, zity1, ssnd(jps_ivx1)%clgrid, 'ij->e', ztmp1 ) ! 1st component
2564	CALL rot_rep( zitx1, zity1, ssnd(jps_ivx1)%clgrid, 'ij->n', ztmp2 ) ! 2nd component
2565	zitx1(:,:) = ztmp1(:,:) ! overwrite the components
2566	zity1(:,:) = ztmp2(:,:)
2567	ENDIF
2568	ELSE
2569	! Temporary code for HadGEM3 - will be removed eventually.
2570	! Only applies when we want uvel on U grid and vvel on V grid
2571	! Rotate U and V onto geographic grid before sending.
2572
2573	DO jj=2,jpjm1
2574	DO ji=2,jpim1
2575	ztmp1(ji,jj)=0.25*vmask(ji,jj,1) &
2576	*(zotx1(ji,jj)+zotx1(ji-1,jj) &
2577	+zotx1(ji,jj+1)+zotx1(ji-1,jj+1))
2578	ztmp2(ji,jj)=0.25*umask(ji,jj,1) &
2579	*(zoty1(ji,jj)+zoty1(ji+1,jj) &
2580	+zoty1(ji,jj-1)+zoty1(ji+1,jj-1))
2581	ENDDO
2582	ENDDO
2583
2584	! Ensure any N fold and wrap columns are updated
2585	CALL lbc_lnk(ztmp1, 'V', -1.0)
2586	CALL lbc_lnk(ztmp2, 'U', -1.0)
2587
2588	ikchoix = -1
2589	! We need copies of zotx1 and zoty2 in order to avoid problems
2590	! caused by INTENTs used in the following subroutine.
2591	zotx1_in(:,:) = zotx1(:,:)
2592	zoty1_in(:,:) = zoty1(:,:)
2593	CALL repcmo (zotx1_in,ztmp2,ztmp1,zoty1_in,zotx1,zoty1,ikchoix)
2594	ENDIF
2595	ENDIF
2596	!
2597	! spherical coordinates to cartesian -> 2 components to 3 components
2598	IF( TRIM( sn_snd_crt%clvref ) == 'cartesian' ) THEN
2599	ztmp1(:,:) = zotx1(:,:) ! ocean currents
2600	ztmp2(:,:) = zoty1(:,:)
2601	CALL oce2geo ( ztmp1, ztmp2, 'T', zotx1, zoty1, zotz1 )
2602	!
2603	IF( ssnd(jps_ivx1)%laction ) THEN ! ice velocities
2604	ztmp1(:,:) = zitx1(:,:)
2605	ztmp1(:,:) = zity1(:,:)
2606	CALL oce2geo ( ztmp1, ztmp2, 'T', zitx1, zity1, zitz1 )
2607	ENDIF
2608	ENDIF
2609	!
2610	IF( ssnd(jps_ocx1)%laction ) CALL cpl_snd( jps_ocx1, isec, RESHAPE ( zotx1, (/jpi,jpj,1/) ), info ) ! ocean x current 1st grid
2611	IF( ssnd(jps_ocy1)%laction ) CALL cpl_snd( jps_ocy1, isec, RESHAPE ( zoty1, (/jpi,jpj,1/) ), info ) ! ocean y current 1st grid
2612	IF( ssnd(jps_ocz1)%laction ) CALL cpl_snd( jps_ocz1, isec, RESHAPE ( zotz1, (/jpi,jpj,1/) ), info ) ! ocean z current 1st grid
2613	!
2614	IF( ssnd(jps_ivx1)%laction ) CALL cpl_snd( jps_ivx1, isec, RESHAPE ( zitx1, (/jpi,jpj,1/) ), info ) ! ice x current 1st grid
2615	IF( ssnd(jps_ivy1)%laction ) CALL cpl_snd( jps_ivy1, isec, RESHAPE ( zity1, (/jpi,jpj,1/) ), info ) ! ice y current 1st grid
2616	IF( ssnd(jps_ivz1)%laction ) CALL cpl_snd( jps_ivz1, isec, RESHAPE ( zitz1, (/jpi,jpj,1/) ), info ) ! ice z current 1st grid
2617	!
2618	ENDIF
2619	!
2620	!
2621	! Fields sent by OPA to SAS when doing OPA<->SAS coupling
2622	! ! SSH
2623	IF( ssnd(jps_ssh )%laction ) THEN
2624	! ! removed inverse barometer ssh when Patm
2625	! forcing is used (for sea-ice dynamics)
2626	IF( ln_apr_dyn ) THEN ; ztmp1(:,:) = sshb(:,:) - 0.5 * ( ssh_ib(:,:) + ssh_ibb(:,:) )
2627	ELSE ; ztmp1(:,:) = sshn(:,:)
2628	ENDIF
2629	CALL cpl_snd( jps_ssh , isec, RESHAPE ( ztmp1 , (/jpi,jpj,1/) ), info )
2630
2631	ENDIF
2632	! ! SSS
2633	IF( ssnd(jps_soce )%laction ) THEN
2634	CALL cpl_snd( jps_soce , isec, RESHAPE ( tsn(:,:,1,jp_sal), (/jpi,jpj,1/) ), info )
2635	ENDIF
2636	! ! first T level thickness
2637	IF( ssnd(jps_e3t1st )%laction ) THEN
2638	CALL cpl_snd( jps_e3t1st, isec, RESHAPE ( fse3t_n(:,:,1) , (/jpi,jpj,1/) ), info )
2639	ENDIF
2640	! ! Qsr fraction
2641	IF( ssnd(jps_fraqsr)%laction ) THEN
2642	CALL cpl_snd( jps_fraqsr, isec, RESHAPE ( fraqsr_1lev(:,:) , (/jpi,jpj,1/) ), info )
2643	ENDIF
2644	!
2645	! Fields sent by SAS to OPA when OASIS coupling
2646	! ! Solar heat flux
2647	IF( ssnd(jps_qsroce)%laction ) CALL cpl_snd( jps_qsroce, isec, RESHAPE ( qsr , (/jpi,jpj,1/) ), info )
2648	IF( ssnd(jps_qnsoce)%laction ) CALL cpl_snd( jps_qnsoce, isec, RESHAPE ( qns , (/jpi,jpj,1/) ), info )
2649	IF( ssnd(jps_oemp )%laction ) CALL cpl_snd( jps_oemp , isec, RESHAPE ( emp , (/jpi,jpj,1/) ), info )
2650	IF( ssnd(jps_sflx )%laction ) CALL cpl_snd( jps_sflx , isec, RESHAPE ( sfx , (/jpi,jpj,1/) ), info )
2651	IF( ssnd(jps_otx1 )%laction ) CALL cpl_snd( jps_otx1 , isec, RESHAPE ( utau, (/jpi,jpj,1/) ), info )
2652	IF( ssnd(jps_oty1 )%laction ) CALL cpl_snd( jps_oty1 , isec, RESHAPE ( vtau, (/jpi,jpj,1/) ), info )
2653	IF( ssnd(jps_rnf )%laction ) CALL cpl_snd( jps_rnf , isec, RESHAPE ( rnf , (/jpi,jpj,1/) ), info )
2654	IF( ssnd(jps_taum )%laction ) CALL cpl_snd( jps_taum , isec, RESHAPE ( taum, (/jpi,jpj,1/) ), info )
2655
2656	#if defined key_cice
2657	ztmp1(:,:) = sstfrz(:,:) + rt0
2658	IF( ssnd(jps_sstfrz)%laction ) CALL cpl_snd( jps_sstfrz, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2659	#endif
2660	!
2661	CALL wrk_dealloc( jpi,jpj, zfr_l, ztmp1, ztmp2, zotx1, zoty1, zotz1, zitx1, zity1, zitz1 )
2662	CALL wrk_dealloc( jpi,jpj, zotx1_in, zoty1_in )
2663	CALL wrk_dealloc( jpi,jpj,jpl, ztmp3, ztmp4 )
2664	!
2665	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_snd')
2666	!
2667	END SUBROUTINE sbc_cpl_snd
2668
2669	!!======================================================================
2670	END MODULE sbccpl

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