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sbccpl.F90 @ 10046

Last change on this file since 10046 was 10046, checked in by dancopsey, 6 years ago
Re-enable 2D coupling of icesheet mass. To switch between 2D to 0D coupling of ice mass change sn_rcv_grnm%cldes from 'coupled' to 'coupled0d' (with a similar change to sn_rcv_antm).
File size: 156.1 KB

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1	MODULE sbccpl
2	!!======================================================================
3	!! * MODULE sbccpl *
4	!! Surface Boundary Condition : momentum, heat and freshwater fluxes in coupled mode
5	!!======================================================================
6	!! History : 2.0 ! 2007-06 (R. Redler, N. Keenlyside, W. Park) Original code split into flxmod & taumod
7	!! 3.0 ! 2008-02 (G. Madec, C Talandier) surface module
8	!! 3.1 ! 2009_02 (G. Madec, S. Masson, E. Maisonave, A. Caubel) generic coupled interface
9	!! 3.4 ! 2011_11 (C. Harris) more flexibility + multi-category fields
10	!!----------------------------------------------------------------------
11	!!----------------------------------------------------------------------
12	!! namsbc_cpl : coupled formulation namlist
13	!! sbc_cpl_init : initialisation of the coupled exchanges
14	!! sbc_cpl_rcv : receive fields from the atmosphere over the ocean (ocean only)
15	!! receive stress from the atmosphere over the ocean (ocean-ice case)
16	!! sbc_cpl_ice_tau : receive stress from the atmosphere over ice
17	!! sbc_cpl_ice_flx : receive fluxes from the atmosphere over ice
18	!! sbc_cpl_snd : send fields to the atmosphere
19	!!----------------------------------------------------------------------
20	USE dom_oce ! ocean space and time domain
21	USE sbc_oce ! Surface boundary condition: ocean fields
22	USE sbc_ice ! Surface boundary condition: ice fields
23	USE sbcapr
24	USE sbcdcy ! surface boundary condition: diurnal cycle
25	USE phycst ! physical constants
26	#if defined key_lim3
27	USE ice ! ice variables
28	#endif
29	#if defined key_lim2
30	USE par_ice_2 ! ice parameters
31	USE ice_2 ! ice variables
32	#endif
33	USE cpl_oasis3 ! OASIS3 coupling
34	USE geo2ocean !
35	USE oce , ONLY : tsn, un, vn, sshn, ub, vb, sshb, fraqsr_1lev, &
36	CO2Flux_out_cpl, DMS_out_cpl, chloro_out_cpl, &
37	PCO2a_in_cpl, Dust_in_cpl, &
38	ln_medusa
39	USE albedo !
40	USE in_out_manager ! I/O manager
41	USE iom ! NetCDF library
42	USE lib_mpp ! distribued memory computing library
43	USE wrk_nemo ! work arrays
44	USE timing ! Timing
45	USE lbclnk ! ocean lateral boundary conditions (or mpp link)
46	USE eosbn2
47	USE sbcrnf , ONLY : l_rnfcpl
48	USE cpl_rnf_1d, ONLY: nn_cpl_river, cpl_rnf_1d_init, cpl_rnf_1d_to_2d ! Variables used in 1D river outflow
49	#if defined key_cpl_carbon_cycle
50	USE p4zflx, ONLY : oce_co2
51	#endif
52	#if defined key_lim3
53	USE limthd_dh ! for CALL lim_thd_snwblow
54	#endif
55	USE lib_fortran, ONLY: glob_sum
56
57	IMPLICIT NONE
58	PRIVATE
59
60	PUBLIC sbc_cpl_init ! routine called by sbcmod.F90
61	PUBLIC sbc_cpl_rcv ! routine called by sbc_ice_lim(_2).F90
62	PUBLIC sbc_cpl_snd ! routine called by step.F90
63	PUBLIC sbc_cpl_ice_tau ! routine called by sbc_ice_lim(_2).F90
64	PUBLIC sbc_cpl_ice_flx ! routine called by sbc_ice_lim(_2).F90
65	PUBLIC sbc_cpl_alloc ! routine called in sbcice_cice.F90
66
67	INTEGER, PARAMETER :: jpr_otx1 = 1 ! 3 atmosphere-ocean stress components on grid 1
68	INTEGER, PARAMETER :: jpr_oty1 = 2 !
69	INTEGER, PARAMETER :: jpr_otz1 = 3 !
70	INTEGER, PARAMETER :: jpr_otx2 = 4 ! 3 atmosphere-ocean stress components on grid 2
71	INTEGER, PARAMETER :: jpr_oty2 = 5 !
72	INTEGER, PARAMETER :: jpr_otz2 = 6 !
73	INTEGER, PARAMETER :: jpr_itx1 = 7 ! 3 atmosphere-ice stress components on grid 1
74	INTEGER, PARAMETER :: jpr_ity1 = 8 !
75	INTEGER, PARAMETER :: jpr_itz1 = 9 !
76	INTEGER, PARAMETER :: jpr_itx2 = 10 ! 3 atmosphere-ice stress components on grid 2
77	INTEGER, PARAMETER :: jpr_ity2 = 11 !
78	INTEGER, PARAMETER :: jpr_itz2 = 12 !
79	INTEGER, PARAMETER :: jpr_qsroce = 13 ! Qsr above the ocean
80	INTEGER, PARAMETER :: jpr_qsrice = 14 ! Qsr above the ice
81	INTEGER, PARAMETER :: jpr_qsrmix = 15
82	INTEGER, PARAMETER :: jpr_qnsoce = 16 ! Qns above the ocean
83	INTEGER, PARAMETER :: jpr_qnsice = 17 ! Qns above the ice
84	INTEGER, PARAMETER :: jpr_qnsmix = 18
85	INTEGER, PARAMETER :: jpr_rain = 19 ! total liquid precipitation (rain)
86	INTEGER, PARAMETER :: jpr_snow = 20 ! solid precipitation over the ocean (snow)
87	INTEGER, PARAMETER :: jpr_tevp = 21 ! total evaporation
88	INTEGER, PARAMETER :: jpr_ievp = 22 ! solid evaporation (sublimation)
89	INTEGER, PARAMETER :: jpr_sbpr = 23 ! sublimation - liquid precipitation - solid precipitation
90	INTEGER, PARAMETER :: jpr_semp = 24 ! solid freshwater budget (sublimation - snow)
91	INTEGER, PARAMETER :: jpr_oemp = 25 ! ocean freshwater budget (evap - precip)
92	INTEGER, PARAMETER :: jpr_w10m = 26 ! 10m wind
93	INTEGER, PARAMETER :: jpr_dqnsdt = 27 ! d(Q non solar)/d(temperature)
94	INTEGER, PARAMETER :: jpr_rnf = 28 ! runoffs
95	INTEGER, PARAMETER :: jpr_cal = 29 ! calving
96	INTEGER, PARAMETER :: jpr_taum = 30 ! wind stress module
97	INTEGER, PARAMETER :: jpr_co2 = 31
98	INTEGER, PARAMETER :: jpr_topm = 32 ! topmeltn
99	INTEGER, PARAMETER :: jpr_botm = 33 ! botmeltn
100	INTEGER, PARAMETER :: jpr_sflx = 34 ! salt flux
101	INTEGER, PARAMETER :: jpr_toce = 35 ! ocean temperature
102	INTEGER, PARAMETER :: jpr_soce = 36 ! ocean salinity
103	INTEGER, PARAMETER :: jpr_ocx1 = 37 ! ocean current on grid 1
104	INTEGER, PARAMETER :: jpr_ocy1 = 38 !
105	INTEGER, PARAMETER :: jpr_ssh = 39 ! sea surface height
106	INTEGER, PARAMETER :: jpr_fice = 40 ! ice fraction
107	INTEGER, PARAMETER :: jpr_e3t1st = 41 ! first T level thickness
108	INTEGER, PARAMETER :: jpr_fraqsr = 42 ! fraction of solar net radiation absorbed in the first ocean level
109	INTEGER, PARAMETER :: jpr_ts_ice = 43 ! skin temperature of sea-ice (used for melt-ponds)
110	INTEGER, PARAMETER :: jpr_grnm = 44 ! Greenland ice mass
111	INTEGER, PARAMETER :: jpr_antm = 45 ! Antarctic ice mass
112	INTEGER, PARAMETER :: jpr_atm_pco2 = 46 ! Incoming atm CO2 flux
113	INTEGER, PARAMETER :: jpr_atm_dust = 47 ! Incoming atm aggregate dust
114	INTEGER, PARAMETER :: jpr_rnf_1d = 48 ! 1D river runoff
115	INTEGER, PARAMETER :: jprcv = 48 ! total number of fields received
116
117	INTEGER, PARAMETER :: jps_fice = 1 ! ice fraction sent to the atmosphere
118	INTEGER, PARAMETER :: jps_toce = 2 ! ocean temperature
119	INTEGER, PARAMETER :: jps_tice = 3 ! ice temperature
120	INTEGER, PARAMETER :: jps_tmix = 4 ! mixed temperature (ocean+ice)
121	INTEGER, PARAMETER :: jps_albice = 5 ! ice albedo
122	INTEGER, PARAMETER :: jps_albmix = 6 ! mixed albedo
123	INTEGER, PARAMETER :: jps_hice = 7 ! ice thickness
124	INTEGER, PARAMETER :: jps_hsnw = 8 ! snow thickness
125	INTEGER, PARAMETER :: jps_ocx1 = 9 ! ocean current on grid 1
126	INTEGER, PARAMETER :: jps_ocy1 = 10 !
127	INTEGER, PARAMETER :: jps_ocz1 = 11 !
128	INTEGER, PARAMETER :: jps_ivx1 = 12 ! ice current on grid 1
129	INTEGER, PARAMETER :: jps_ivy1 = 13 !
130	INTEGER, PARAMETER :: jps_ivz1 = 14 !
131	INTEGER, PARAMETER :: jps_co2 = 15
132	INTEGER, PARAMETER :: jps_soce = 16 ! ocean salinity
133	INTEGER, PARAMETER :: jps_ssh = 17 ! sea surface height
134	INTEGER, PARAMETER :: jps_qsroce = 18 ! Qsr above the ocean
135	INTEGER, PARAMETER :: jps_qnsoce = 19 ! Qns above the ocean
136	INTEGER, PARAMETER :: jps_oemp = 20 ! ocean freshwater budget (evap - precip)
137	INTEGER, PARAMETER :: jps_sflx = 21 ! salt flux
138	INTEGER, PARAMETER :: jps_otx1 = 22 ! 2 atmosphere-ocean stress components on grid 1
139	INTEGER, PARAMETER :: jps_oty1 = 23 !
140	INTEGER, PARAMETER :: jps_rnf = 24 ! runoffs
141	INTEGER, PARAMETER :: jps_taum = 25 ! wind stress module
142	INTEGER, PARAMETER :: jps_fice2 = 26 ! ice fraction sent to OPA (by SAS when doing SAS-OPA coupling)
143	INTEGER, PARAMETER :: jps_e3t1st = 27 ! first level depth (vvl)
144	INTEGER, PARAMETER :: jps_fraqsr = 28 ! fraction of solar net radiation absorbed in the first ocean level
145	INTEGER, PARAMETER :: jps_a_p = 29 ! meltpond fraction
146	INTEGER, PARAMETER :: jps_ht_p = 30 ! meltpond depth (m)
147	INTEGER, PARAMETER :: jps_kice = 31 ! ice surface layer thermal conductivity
148	INTEGER, PARAMETER :: jps_sstfrz = 32 ! sea-surface freezing temperature
149	INTEGER, PARAMETER :: jps_fice1 = 33 ! first-order ice concentration (for time-travelling ice coupling)
150	INTEGER, PARAMETER :: jps_bio_co2 = 34 ! MEDUSA air-sea CO2 flux
151	INTEGER, PARAMETER :: jps_bio_dms = 35 ! MEDUSA DMS surface concentration
152	INTEGER, PARAMETER :: jps_bio_chloro = 36 ! MEDUSA chlorophyll surface concentration
153	INTEGER, PARAMETER :: jpsnd = 36 ! total number of fields sent
154
155	REAL(wp), PARAMETER :: dms_unit_conv = 1.0e+6 ! Coversion factor to get outgong DMS in standard units for coupling
156	! i.e. specifically nmol/L (= umol/m3)
157
158	! !! namelist namsbc_cpl
159	TYPE :: FLD_C
160	CHARACTER(len = 32) :: cldes ! desciption of the coupling strategy
161	CHARACTER(len = 32) :: clcat ! multiple ice categories strategy
162	CHARACTER(len = 32) :: clvref ! reference of vector ('spherical' or 'cartesian')
163	CHARACTER(len = 32) :: clvor ! orientation of vector fields ('eastward-northward' or 'local grid')
164	CHARACTER(len = 32) :: clvgrd ! grids on which is located the vector fields
165	END TYPE FLD_C
166	! Send to the atmosphere !
167	TYPE(FLD_C) :: sn_snd_temp, sn_snd_alb, sn_snd_thick, sn_snd_crt, sn_snd_co2, sn_snd_cond, sn_snd_mpnd, sn_snd_sstfrz, sn_snd_thick1
168	TYPE(FLD_C) :: sn_snd_bio_co2, sn_snd_bio_dms, sn_snd_bio_chloro
169
170	! Received from the atmosphere !
171	TYPE(FLD_C) :: sn_rcv_w10m, sn_rcv_taumod, sn_rcv_tau, sn_rcv_dqnsdt, sn_rcv_qsr, sn_rcv_qns, sn_rcv_emp, sn_rcv_rnf
172	TYPE(FLD_C) :: sn_rcv_cal, sn_rcv_iceflx, sn_rcv_co2, sn_rcv_ts_ice, sn_rcv_grnm, sn_rcv_antm
173	TYPE(FLD_C) :: sn_rcv_atm_pco2, sn_rcv_atm_dust
174
175	! Other namelist parameters !
176	INTEGER :: nn_cplmodel ! Maximum number of models to/from which NEMO is potentialy sending/receiving data
177	LOGICAL :: ln_usecplmask ! use a coupling mask file to merge data received from several models
178	! -> file cplmask.nc with the float variable called cplmask (jpi,jpj,nn_cplmodel)
179
180	TYPE :: DYNARR
181	REAL(wp), POINTER, DIMENSION(:,:,:) :: z3
182	END TYPE DYNARR
183
184	TYPE( DYNARR ), SAVE, DIMENSION(jprcv) :: frcv ! all fields recieved from the atmosphere
185
186	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: albedo_oce_mix ! ocean albedo sent to atmosphere (mix clear/overcast sky)
187
188	INTEGER , ALLOCATABLE, SAVE, DIMENSION( :) :: nrcvinfo ! OASIS info argument
189
190	!! Substitution
191	# include "domzgr_substitute.h90"
192	# include "vectopt_loop_substitute.h90"
193	!!----------------------------------------------------------------------
194	!! NEMO/OPA 3.3 , NEMO Consortium (2010)
195	!! $Id$
196	!! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)
197	!!----------------------------------------------------------------------
198
199	CONTAINS
200
201	INTEGER FUNCTION sbc_cpl_alloc()
202	!!----------------------------------------------------------------------
203	!! * FUNCTION sbc_cpl_alloc *
204	!!----------------------------------------------------------------------
205	INTEGER :: ierr(3)
206	!!----------------------------------------------------------------------
207	ierr(:) = 0
208	!
209	ALLOCATE( albedo_oce_mix(jpi,jpj), nrcvinfo(jprcv), STAT=ierr(1) )
210
211	#if ! defined key_lim3 && ! defined key_lim2 && ! defined key_cice
212	ALLOCATE( a_i(jpi,jpj,1) , STAT=ierr(2) ) ! used in sbcice_if.F90 (done here as there is no sbc_ice_if_init)
213	#endif
214	!ALLOCATE( xcplmask(jpi,jpj,0:nn_cplmodel) , STAT=ierr(3) )
215	! Hardwire only two models as nn_cplmodel has not been read in
216	! from the namelist yet.
217	ALLOCATE( xcplmask(jpi,jpj,0:2) , STAT=ierr(3) )
218	!
219	sbc_cpl_alloc = MAXVAL( ierr )
220	IF( lk_mpp ) CALL mpp_sum ( sbc_cpl_alloc )
221	IF( sbc_cpl_alloc > 0 ) CALL ctl_warn('sbc_cpl_alloc: allocation of arrays failed')
222	!
223	END FUNCTION sbc_cpl_alloc
224
225
226	SUBROUTINE sbc_cpl_init( k_ice )
227	!!----------------------------------------------------------------------
228	!! * ROUTINE sbc_cpl_init *
229	!!
230	!! ** Purpose : Initialisation of send and received information from
231	!! the atmospheric component
232	!!
233	!! ** Method : * Read namsbc_cpl namelist
234	!! * define the receive interface
235	!! * define the send interface
236	!! * initialise the OASIS coupler
237	!!----------------------------------------------------------------------
238	INTEGER, INTENT(in) :: k_ice ! ice management in the sbc (=0/1/2/3)
239	!!
240	INTEGER :: jn ! dummy loop index
241	INTEGER :: ios ! Local integer output status for namelist read
242	INTEGER :: inum
243	REAL(wp), POINTER, DIMENSION(:,:) :: zacs, zaos
244	!!
245	NAMELIST/namsbc_cpl/ sn_snd_temp, sn_snd_alb , sn_snd_thick , sn_snd_crt , sn_snd_co2, &
246	& sn_snd_cond, sn_snd_mpnd , sn_snd_sstfrz, sn_snd_thick1, &
247	& sn_rcv_w10m, sn_rcv_taumod, sn_rcv_tau , sn_rcv_dqnsdt, sn_rcv_qsr, &
248	& sn_rcv_qns , sn_rcv_emp , sn_rcv_rnf , sn_rcv_cal , sn_rcv_iceflx, &
249	& sn_rcv_co2 , sn_rcv_grnm , sn_rcv_antm , sn_rcv_ts_ice, nn_cplmodel , &
250	& ln_usecplmask, nn_coupled_iceshelf_fluxes, ln_iceshelf_init_atmos, &
251	& rn_greenland_total_fw_flux, rn_greenland_calving_fraction, &
252	& rn_antarctica_total_fw_flux, rn_antarctica_calving_fraction, rn_iceshelf_fluxes_tolerance
253	!!---------------------------------------------------------------------
254
255	! Add MEDUSA related fields to namelist
256	NAMELIST/namsbc_cpl/ sn_snd_bio_co2, sn_snd_bio_dms, sn_snd_bio_chloro, &
257	& sn_rcv_atm_pco2, sn_rcv_atm_dust
258
259
260	!!---------------------------------------------------------------------
261
262	!
263	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_init')
264	!
265	CALL wrk_alloc( jpi,jpj, zacs, zaos )
266
267	! ================================ !
268	! Namelist informations !
269	! ================================ !
270
271	REWIND( numnam_ref ) ! Namelist namsbc_cpl in reference namelist : Variables for OASIS coupling
272	READ ( numnam_ref, namsbc_cpl, IOSTAT = ios, ERR = 901)
273	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_cpl in reference namelist', lwp )
274
275	REWIND( numnam_cfg ) ! Namelist namsbc_cpl in configuration namelist : Variables for OASIS coupling
276	READ ( numnam_cfg, namsbc_cpl, IOSTAT = ios, ERR = 902 )
277	902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_cpl in configuration namelist', lwp )
278	IF(lwm) WRITE ( numond, namsbc_cpl )
279
280	IF(lwp) THEN ! control print
281	WRITE(numout,*)
282	WRITE(numout,*)'sbc_cpl_init : namsbc_cpl namelist '
283	WRITE(numout,*)'~~~~~~~~~~~~'
284	ENDIF
285	IF( lwp .AND. ln_cpl ) THEN ! control print
286	WRITE(numout,*)' received fields (mutiple ice categories)'
287	WRITE(numout,*)' 10m wind module = ', TRIM(sn_rcv_w10m%cldes ), ' (', TRIM(sn_rcv_w10m%clcat ), ')'
288	WRITE(numout,*)' stress module = ', TRIM(sn_rcv_taumod%cldes), ' (', TRIM(sn_rcv_taumod%clcat), ')'
289	WRITE(numout,*)' surface stress = ', TRIM(sn_rcv_tau%cldes ), ' (', TRIM(sn_rcv_tau%clcat ), ')'
290	WRITE(numout,*)' - referential = ', sn_rcv_tau%clvref
291	WRITE(numout,*)' - orientation = ', sn_rcv_tau%clvor
292	WRITE(numout,*)' - mesh = ', sn_rcv_tau%clvgrd
293	WRITE(numout,*)' non-solar heat flux sensitivity = ', TRIM(sn_rcv_dqnsdt%cldes), ' (', TRIM(sn_rcv_dqnsdt%clcat), ')'
294	WRITE(numout,*)' solar heat flux = ', TRIM(sn_rcv_qsr%cldes ), ' (', TRIM(sn_rcv_qsr%clcat ), ')'
295	WRITE(numout,*)' non-solar heat flux = ', TRIM(sn_rcv_qns%cldes ), ' (', TRIM(sn_rcv_qns%clcat ), ')'
296	WRITE(numout,*)' freshwater budget = ', TRIM(sn_rcv_emp%cldes ), ' (', TRIM(sn_rcv_emp%clcat ), ')'
297	WRITE(numout,*)' runoffs = ', TRIM(sn_rcv_rnf%cldes ), ' (', TRIM(sn_rcv_rnf%clcat ), ')'
298	WRITE(numout,*)' calving = ', TRIM(sn_rcv_cal%cldes ), ' (', TRIM(sn_rcv_cal%clcat ), ')'
299	WRITE(numout,*)' Greenland ice mass = ', TRIM(sn_rcv_grnm%cldes ), ' (', TRIM(sn_rcv_grnm%clcat ), ')'
300	WRITE(numout,*)' Antarctica ice mass = ', TRIM(sn_rcv_antm%cldes ), ' (', TRIM(sn_rcv_antm%clcat ), ')'
301	WRITE(numout,*)' sea ice heat fluxes = ', TRIM(sn_rcv_iceflx%cldes), ' (', TRIM(sn_rcv_iceflx%clcat), ')'
302	WRITE(numout,*)' atm co2 = ', TRIM(sn_rcv_co2%cldes ), ' (', TRIM(sn_rcv_co2%clcat ), ')'
303	WRITE(numout,*)' atm pco2 = ', TRIM(sn_rcv_atm_pco2%cldes), ' (', TRIM(sn_rcv_atm_pco2%clcat), ')'
304	WRITE(numout,*)' atm dust = ', TRIM(sn_rcv_atm_dust%cldes), ' (', TRIM(sn_rcv_atm_dust%clcat), ')'
305	WRITE(numout,*)' sent fields (multiple ice categories)'
306	WRITE(numout,*)' surface temperature = ', TRIM(sn_snd_temp%cldes ), ' (', TRIM(sn_snd_temp%clcat ), ')'
307	WRITE(numout,*)' albedo = ', TRIM(sn_snd_alb%cldes ), ' (', TRIM(sn_snd_alb%clcat ), ')'
308	WRITE(numout,*)' ice/snow thickness = ', TRIM(sn_snd_thick%cldes ), ' (', TRIM(sn_snd_thick%clcat ), ')'
309	WRITE(numout,*)' surface current = ', TRIM(sn_snd_crt%cldes ), ' (', TRIM(sn_snd_crt%clcat ), ')'
310	WRITE(numout,*)' - referential = ', sn_snd_crt%clvref
311	WRITE(numout,*)' - orientation = ', sn_snd_crt%clvor
312	WRITE(numout,*)' - mesh = ', sn_snd_crt%clvgrd
313	WRITE(numout,*)' bio co2 flux = ', TRIM(sn_snd_bio_co2%cldes), ' (', TRIM(sn_snd_bio_co2%clcat), ')'
314	WRITE(numout,*)' bio dms flux = ', TRIM(sn_snd_bio_dms%cldes), ' (', TRIM(sn_snd_bio_dms%clcat), ')'
315	WRITE(numout,*)' bio dms chlorophyll = ', TRIM(sn_snd_bio_chloro%cldes), ' (', TRIM(sn_snd_bio_chloro%clcat), ')'
316	WRITE(numout,*)' oce co2 flux = ', TRIM(sn_snd_co2%cldes ), ' (', TRIM(sn_snd_co2%clcat ), ')'
317	WRITE(numout,*)' ice effective conductivity = ', TRIM(sn_snd_cond%cldes ), ' (', TRIM(sn_snd_cond%clcat ), ')'
318	WRITE(numout,*)' meltponds fraction & depth = ', TRIM(sn_snd_mpnd%cldes ), ' (', TRIM(sn_snd_mpnd%clcat ), ')'
319	WRITE(numout,*)' sea surface freezing temp = ', TRIM(sn_snd_sstfrz%cldes ), ' (', TRIM(sn_snd_sstfrz%clcat ), ')'
320
321	WRITE(numout,*)' nn_cplmodel = ', nn_cplmodel
322	WRITE(numout,*)' ln_usecplmask = ', ln_usecplmask
323	WRITE(numout,*)' nn_coupled_iceshelf_fluxes = ', nn_coupled_iceshelf_fluxes
324	WRITE(numout,*)' ln_iceshelf_init_atmos = ', ln_iceshelf_init_atmos
325	WRITE(numout,*)' rn_greenland_total_fw_flux = ', rn_greenland_total_fw_flux
326	WRITE(numout,*)' rn_antarctica_total_fw_flux = ', rn_antarctica_total_fw_flux
327	WRITE(numout,*)' rn_greenland_calving_fraction = ', rn_greenland_calving_fraction
328	WRITE(numout,*)' rn_antarctica_calving_fraction = ', rn_antarctica_calving_fraction
329	WRITE(numout,*)' rn_iceshelf_fluxes_tolerance = ', rn_iceshelf_fluxes_tolerance
330
331	ENDIF
332
333	! ! allocate sbccpl arrays
334	!IF( sbc_cpl_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_cpl_alloc : unable to allocate arrays' )
335
336	! ================================ !
337	! Define the receive interface !
338	! ================================ !
339	nrcvinfo(:) = OASIS_idle ! needed by nrcvinfo(jpr_otx1) if we do not receive ocean stress
340
341	! for each field: define the OASIS name (srcv(:)%clname)
342	! define receive or not from the namelist parameters (srcv(:)%laction)
343	! define the north fold type of lbc (srcv(:)%nsgn)
344
345	! default definitions of srcv
346	srcv(:)%laction = .FALSE. ; srcv(:)%clgrid = 'T' ; srcv(:)%nsgn = 1. ; srcv(:)%nct = 1 ; srcv(:)%dimensions = 2
347
348	! ! ------------------------- !
349	! ! ice and ocean wind stress !
350	! ! ------------------------- !
351	! ! Name
352	srcv(jpr_otx1)%clname = 'O_OTaux1' ! 1st ocean component on grid ONE (T or U)
353	srcv(jpr_oty1)%clname = 'O_OTauy1' ! 2nd - - - -
354	srcv(jpr_otz1)%clname = 'O_OTauz1' ! 3rd - - - -
355	srcv(jpr_otx2)%clname = 'O_OTaux2' ! 1st ocean component on grid TWO (V)
356	srcv(jpr_oty2)%clname = 'O_OTauy2' ! 2nd - - - -
357	srcv(jpr_otz2)%clname = 'O_OTauz2' ! 3rd - - - -
358	!
359	srcv(jpr_itx1)%clname = 'O_ITaux1' ! 1st ice component on grid ONE (T, F, I or U)
360	srcv(jpr_ity1)%clname = 'O_ITauy1' ! 2nd - - - -
361	srcv(jpr_itz1)%clname = 'O_ITauz1' ! 3rd - - - -
362	srcv(jpr_itx2)%clname = 'O_ITaux2' ! 1st ice component on grid TWO (V)
363	srcv(jpr_ity2)%clname = 'O_ITauy2' ! 2nd - - - -
364	srcv(jpr_itz2)%clname = 'O_ITauz2' ! 3rd - - - -
365	!
366	! Vectors: change of sign at north fold ONLY if on the local grid
367	IF( TRIM( sn_rcv_tau%clvor ) == 'local grid' ) srcv(jpr_otx1:jpr_itz2)%nsgn = -1.
368
369	! ! Set grid and action
370	SELECT CASE( TRIM( sn_rcv_tau%clvgrd ) ) ! 'T', 'U,V', 'U,V,I', 'U,V,F', 'T,I', 'T,F', or 'T,U,V'
371	CASE( 'T' )
372	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
373	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
374	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
375	CASE( 'U,V' )
376	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
377	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
378	srcv(jpr_itx1:jpr_itz1)%clgrid = 'U' ! ice components given at U-point
379	srcv(jpr_itx2:jpr_itz2)%clgrid = 'V' ! and V-point
380	srcv(jpr_otx1:jpr_itz2)%laction = .TRUE. ! receive oce and ice components on both grid 1 & 2
381	CASE( 'U,V,T' )
382	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
383	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
384	srcv(jpr_itx1:jpr_itz1)%clgrid = 'T' ! ice components given at T-point
385	srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
386	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
387	CASE( 'U,V,I' )
388	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
389	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
390	srcv(jpr_itx1:jpr_itz1)%clgrid = 'I' ! ice components given at I-point
391	srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
392	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
393	CASE( 'U,V,F' )
394	srcv(jpr_otx1:jpr_otz1)%clgrid = 'U' ! oce components given at U-point
395	srcv(jpr_otx2:jpr_otz2)%clgrid = 'V' ! and V-point
396	srcv(jpr_itx1:jpr_itz1)%clgrid = 'F' ! ice components given at F-point
397	!srcv(jpr_otx1:jpr_otz2)%laction = .TRUE. ! receive oce components on grid 1 & 2
398	! Currently needed for HadGEM3 - but shouldn't affect anyone else for the moment
399	srcv(jpr_otx1)%laction = .TRUE.
400	srcv(jpr_oty1)%laction = .TRUE.
401	!
402	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1 only
403	CASE( 'T,I' )
404	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
405	srcv(jpr_itx1:jpr_itz1)%clgrid = 'I' ! ice components given at I-point
406	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
407	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
408	CASE( 'T,F' )
409	srcv(jpr_otx1:jpr_itz2)%clgrid = 'T' ! oce and ice components given at T-point
410	srcv(jpr_itx1:jpr_itz1)%clgrid = 'F' ! ice components given at F-point
411	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1
412	srcv(jpr_itx1:jpr_itz1)%laction = .TRUE. ! receive ice components on grid 1
413	CASE( 'T,U,V' )
414	srcv(jpr_otx1:jpr_otz1)%clgrid = 'T' ! oce components given at T-point
415	srcv(jpr_itx1:jpr_itz1)%clgrid = 'U' ! ice components given at U-point
416	srcv(jpr_itx2:jpr_itz2)%clgrid = 'V' ! and V-point
417	srcv(jpr_otx1:jpr_otz1)%laction = .TRUE. ! receive oce components on grid 1 only
418	srcv(jpr_itx1:jpr_itz2)%laction = .TRUE. ! receive ice components on grid 1 & 2
419	CASE default
420	CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_tau%clvgrd' )
421	END SELECT
422	!
423	IF( TRIM( sn_rcv_tau%clvref ) == 'spherical' ) & ! spherical: 3rd component not received
424	& srcv( (/jpr_otz1, jpr_otz2, jpr_itz1, jpr_itz2/) )%laction = .FALSE.
425	!
426	IF( TRIM( sn_rcv_tau%clvor ) == 'local grid' ) THEN ! already on local grid -> no need of the second grid
427	srcv(jpr_otx2:jpr_otz2)%laction = .FALSE.
428	srcv(jpr_itx2:jpr_itz2)%laction = .FALSE.
429	srcv(jpr_oty1)%clgrid = srcv(jpr_oty2)%clgrid ! not needed but cleaner...
430	srcv(jpr_ity1)%clgrid = srcv(jpr_ity2)%clgrid ! not needed but cleaner...
431	ENDIF
432	!
433	IF( TRIM( sn_rcv_tau%cldes ) /= 'oce and ice' ) THEN ! 'oce and ice' case ocean stress on ocean mesh used
434	srcv(jpr_itx1:jpr_itz2)%laction = .FALSE. ! ice components not received
435	srcv(jpr_itx1)%clgrid = 'U' ! ocean stress used after its transformation
436	srcv(jpr_ity1)%clgrid = 'V' ! i.e. it is always at U- & V-points for i- & j-comp. resp.
437	ENDIF
438
439	! ! ------------------------- !
440	! ! freshwater budget ! E-P
441	! ! ------------------------- !
442	! we suppose that atmosphere modele do not make the difference between precipiration (liquide or solid)
443	! over ice of free ocean within the same atmospheric cell.cd
444	srcv(jpr_rain)%clname = 'OTotRain' ! Rain = liquid precipitation
445	srcv(jpr_snow)%clname = 'OTotSnow' ! Snow = solid precipitation
446	srcv(jpr_tevp)%clname = 'OTotEvap' ! total evaporation (over oce + ice sublimation)
447	srcv(jpr_ievp)%clname = 'OIceEvp' ! evaporation over ice = sublimation
448	srcv(jpr_sbpr)%clname = 'OSubMPre' ! sublimation - liquid precipitation - solid precipitation
449	srcv(jpr_semp)%clname = 'OISubMSn' ! ice solid water budget = sublimation - solid precipitation
450	srcv(jpr_oemp)%clname = 'OOEvaMPr' ! ocean water budget = ocean Evap - ocean precip
451	SELECT CASE( TRIM( sn_rcv_emp%cldes ) )
452	CASE( 'none' ) ! nothing to do
453	CASE( 'oce only' ) ; srcv( jpr_oemp )%laction = .TRUE.
454	CASE( 'conservative' )
455	srcv( (/jpr_rain, jpr_snow, jpr_ievp, jpr_tevp/) )%laction = .TRUE.
456	IF ( k_ice <= 1 ) srcv(jpr_ievp)%laction = .FALSE.
457	CASE( 'oce and ice' ) ; srcv( (/jpr_ievp, jpr_sbpr, jpr_semp, jpr_oemp/) )%laction = .TRUE.
458	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_emp%cldes' )
459	END SELECT
460	!Set the number of categories for coupling of sublimation
461	IF ( TRIM( sn_rcv_emp%clcat ) == 'yes' ) srcv(jpr_ievp)%nct = jpl
462	!
463	! ! ------------------------- !
464	! ! Runoffs & Calving !
465	! ! ------------------------- !
466	srcv(jpr_rnf )%clname = 'O_Runoff'
467	srcv(jpr_rnf_1d )%clname = 'runoffo'
468	IF( TRIM( sn_rcv_rnf%cldes ) == 'coupled' .OR. TRIM( sn_rcv_rnf%cldes ) == 'coupled1d' ) THEN
469	IF( TRIM( sn_rcv_rnf%cldes ) == 'coupled' ) srcv(jpr_rnf)%laction = .TRUE.
470	IF( TRIM( sn_rcv_rnf%cldes ) == 'coupled1d' ) THEN
471	srcv(jpr_rnf_1d)%laction = .TRUE.
472	srcv(jpr_rnf_1d)%dimensions = 1 ! 1D field passed through coupler
473	END IF
474	l_rnfcpl = .TRUE. ! -> no need to read runoffs in sbcrnf
475	ln_rnf = nn_components /= jp_iam_sas ! -> force to go through sbcrnf if not sas
476	IF(lwp) WRITE(numout,*)
477	IF(lwp) WRITE(numout,*) ' runoffs received from oasis -> force ln_rnf = ', ln_rnf
478	ENDIF
479	!
480	srcv(jpr_cal )%clname = 'OCalving'
481	IF( TRIM( sn_rcv_cal%cldes ) == 'coupled' ) srcv(jpr_cal)%laction = .TRUE.
482
483	srcv(jpr_grnm )%clname = 'OGrnmass'
484	IF( TRIM( sn_rcv_grnm%cldes ) == 'coupled' .OR. TRIM( sn_rcv_grnm%cldes ) == 'coupled0d' ) srcv(jpr_grnm)%laction = .TRUE.
485	IF( TRIM( sn_rcv_grnm%cldes ) == 'coupled0d' ) srcv(jpr_grnm )%dimensions = 0 ! Scalar field
486
487	srcv(jpr_antm )%clname = 'OAntmass'
488	IF( TRIM( sn_rcv_antm%cldes ) == 'coupled' .OR. TRIM( sn_rcv_antm%cldes ) == 'coupled0d' ) srcv(jpr_antm)%laction = .TRUE.
489	IF( TRIM( sn_rcv_antm%cldes ) == 'coupled0d' ) srcv(jpr_antm )%dimensions = 0 ! Scalar field
490
491
492
493	! ! ------------------------- !
494	! ! non solar radiation ! Qns
495	! ! ------------------------- !
496	srcv(jpr_qnsoce)%clname = 'O_QnsOce'
497	srcv(jpr_qnsice)%clname = 'O_QnsIce'
498	srcv(jpr_qnsmix)%clname = 'O_QnsMix'
499	SELECT CASE( TRIM( sn_rcv_qns%cldes ) )
500	CASE( 'none' ) ! nothing to do
501	CASE( 'oce only' ) ; srcv( jpr_qnsoce )%laction = .TRUE.
502	CASE( 'conservative' ) ; srcv( (/jpr_qnsice, jpr_qnsmix/) )%laction = .TRUE.
503	CASE( 'oce and ice' ) ; srcv( (/jpr_qnsice, jpr_qnsoce/) )%laction = .TRUE.
504	CASE( 'mixed oce-ice' ) ; srcv( jpr_qnsmix )%laction = .TRUE.
505	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_qns%cldes' )
506	END SELECT
507	IF( TRIM( sn_rcv_qns%cldes ) == 'mixed oce-ice' .AND. jpl > 1 ) &
508	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_qns%cldes not currently allowed to be mixed oce-ice for multi-category ice' )
509	! ! ------------------------- !
510	! ! solar radiation ! Qsr
511	! ! ------------------------- !
512	srcv(jpr_qsroce)%clname = 'O_QsrOce'
513	srcv(jpr_qsrice)%clname = 'O_QsrIce'
514	srcv(jpr_qsrmix)%clname = 'O_QsrMix'
515	SELECT CASE( TRIM( sn_rcv_qsr%cldes ) )
516	CASE( 'none' ) ! nothing to do
517	CASE( 'oce only' ) ; srcv( jpr_qsroce )%laction = .TRUE.
518	CASE( 'conservative' ) ; srcv( (/jpr_qsrice, jpr_qsrmix/) )%laction = .TRUE.
519	CASE( 'oce and ice' ) ; srcv( (/jpr_qsrice, jpr_qsroce/) )%laction = .TRUE.
520	CASE( 'mixed oce-ice' ) ; srcv( jpr_qsrmix )%laction = .TRUE.
521	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_rcv_qsr%cldes' )
522	END SELECT
523	IF( TRIM( sn_rcv_qsr%cldes ) == 'mixed oce-ice' .AND. jpl > 1 ) &
524	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_qsr%cldes not currently allowed to be mixed oce-ice for multi-category ice' )
525	! ! ------------------------- !
526	! ! non solar sensitivity ! d(Qns)/d(T)
527	! ! ------------------------- !
528	srcv(jpr_dqnsdt)%clname = 'O_dQnsdT'
529	IF( TRIM( sn_rcv_dqnsdt%cldes ) == 'coupled' ) srcv(jpr_dqnsdt)%laction = .TRUE.
530	!
531	! non solar sensitivity mandatory for LIM ice model
532	IF( TRIM( sn_rcv_dqnsdt%cldes ) == 'none' .AND. k_ice /= 0 .AND. k_ice /= 4 .AND. nn_components /= jp_iam_sas ) &
533	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_dqnsdt%cldes must be coupled in namsbc_cpl namelist' )
534	! non solar sensitivity mandatory for mixed oce-ice solar radiation coupling technique
535	IF( TRIM( sn_rcv_dqnsdt%cldes ) == 'none' .AND. TRIM( sn_rcv_qns%cldes ) == 'mixed oce-ice' ) &
536	CALL ctl_stop( 'sbc_cpl_init: namsbc_cpl namelist mismatch between sn_rcv_qns%cldes and sn_rcv_dqnsdt%cldes' )
537	! ! ------------------------- !
538	! ! 10m wind module !
539	! ! ------------------------- !
540	srcv(jpr_w10m)%clname = 'O_Wind10' ; IF( TRIM(sn_rcv_w10m%cldes ) == 'coupled' ) srcv(jpr_w10m)%laction = .TRUE.
541	!
542	! ! ------------------------- !
543	! ! wind stress module !
544	! ! ------------------------- !
545	srcv(jpr_taum)%clname = 'O_TauMod' ; IF( TRIM(sn_rcv_taumod%cldes) == 'coupled' ) srcv(jpr_taum)%laction = .TRUE.
546	lhftau = srcv(jpr_taum)%laction
547
548	! ! ------------------------- !
549	! ! Atmospheric CO2 !
550	! ! ------------------------- !
551	srcv(jpr_co2 )%clname = 'O_AtmCO2' ; IF( TRIM(sn_rcv_co2%cldes ) == 'coupled' ) srcv(jpr_co2 )%laction = .TRUE.
552
553
554	! ! --------------------------------------- !
555	! ! Incoming CO2 and DUST fluxes for MEDUSA !
556	! ! --------------------------------------- !
557	srcv(jpr_atm_pco2)%clname = 'OATMPCO2'
558
559	IF (TRIM(sn_rcv_atm_pco2%cldes) == 'medusa') THEN
560	srcv(jpr_atm_pco2)%laction = .TRUE.
561	END IF
562
563	srcv(jpr_atm_dust)%clname = 'OATMDUST'
564	IF (TRIM(sn_rcv_atm_dust%cldes) == 'medusa') THEN
565	srcv(jpr_atm_dust)%laction = .TRUE.
566	END IF
567
568	! ! ------------------------- !
569	! ! topmelt and botmelt !
570	! ! ------------------------- !
571	srcv(jpr_topm )%clname = 'OTopMlt'
572	srcv(jpr_botm )%clname = 'OBotMlt'
573	IF( TRIM(sn_rcv_iceflx%cldes) == 'coupled' ) THEN
574	IF ( TRIM( sn_rcv_iceflx%clcat ) == 'yes' ) THEN
575	srcv(jpr_topm:jpr_botm)%nct = jpl
576	ELSE
577	CALL ctl_stop( 'sbc_cpl_init: sn_rcv_iceflx%clcat should always be set to yes currently' )
578	ENDIF
579	srcv(jpr_topm:jpr_botm)%laction = .TRUE.
580	ENDIF
581
582	#if defined key_cice && ! defined key_cice4
583	! ! ----------------------------- !
584	! ! sea-ice skin temperature !
585	! ! used in meltpond scheme !
586	! ! May be calculated in Atm !
587	! ! ----------------------------- !
588	srcv(jpr_ts_ice)%clname = 'OTsfIce'
589	IF ( TRIM( sn_rcv_ts_ice%cldes ) == 'ice' ) srcv(jpr_ts_ice)%laction = .TRUE.
590	IF ( TRIM( sn_rcv_ts_ice%clcat ) == 'yes' ) srcv(jpr_ts_ice)%nct = jpl
591	!TODO: Should there be a consistency check here?
592	#endif
593
594	! ! ------------------------------- !
595	! ! OPA-SAS coupling - rcv by opa !
596	! ! ------------------------------- !
597	srcv(jpr_sflx)%clname = 'O_SFLX'
598	srcv(jpr_fice)%clname = 'RIceFrc'
599	!
600	IF( nn_components == jp_iam_opa ) THEN ! OPA coupled to SAS via OASIS: force received field by OPA (sent by SAS)
601	srcv(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
602	srcv(:)%clgrid = 'T' ! force default definition in case of opa <-> sas coupling
603	srcv(:)%nsgn = 1. ! force default definition in case of opa <-> sas coupling
604	srcv( (/jpr_qsroce, jpr_qnsoce, jpr_oemp, jpr_sflx, jpr_fice, jpr_otx1, jpr_oty1, jpr_taum/) )%laction = .TRUE.
605	srcv(jpr_otx1)%clgrid = 'U' ! oce components given at U-point
606	srcv(jpr_oty1)%clgrid = 'V' ! and V-point
607	! Vectors: change of sign at north fold ONLY if on the local grid
608	srcv( (/jpr_otx1,jpr_oty1/) )%nsgn = -1.
609	sn_rcv_tau%clvgrd = 'U,V'
610	sn_rcv_tau%clvor = 'local grid'
611	sn_rcv_tau%clvref = 'spherical'
612	sn_rcv_emp%cldes = 'oce only'
613	!
614	IF(lwp) THEN ! control print
615	WRITE(numout,*)
616	WRITE(numout,*)' Special conditions for SAS-OPA coupling '
617	WRITE(numout,*)' OPA component '
618	WRITE(numout,*)
619	WRITE(numout,*)' received fields from SAS component '
620	WRITE(numout,*)' ice cover '
621	WRITE(numout,*)' oce only EMP '
622	WRITE(numout,*)' salt flux '
623	WRITE(numout,*)' mixed oce-ice solar flux '
624	WRITE(numout,*)' mixed oce-ice non solar flux '
625	WRITE(numout,*)' wind stress U,V on local grid and sperical coordinates '
626	WRITE(numout,*)' wind stress module'
627	WRITE(numout,*)
628	ENDIF
629	ENDIF
630	! ! -------------------------------- !
631	! ! OPA-SAS coupling - rcv by sas !
632	! ! -------------------------------- !
633	srcv(jpr_toce )%clname = 'I_SSTSST'
634	srcv(jpr_soce )%clname = 'I_SSSal'
635	srcv(jpr_ocx1 )%clname = 'I_OCurx1'
636	srcv(jpr_ocy1 )%clname = 'I_OCury1'
637	srcv(jpr_ssh )%clname = 'I_SSHght'
638	srcv(jpr_e3t1st)%clname = 'I_E3T1st'
639	srcv(jpr_fraqsr)%clname = 'I_FraQsr'
640	!
641	IF( nn_components == jp_iam_sas ) THEN
642	IF( .NOT. ln_cpl ) srcv(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
643	IF( .NOT. ln_cpl ) srcv(:)%clgrid = 'T' ! force default definition in case of opa <-> sas coupling
644	IF( .NOT. ln_cpl ) srcv(:)%nsgn = 1. ! force default definition in case of opa <-> sas coupling
645	srcv( (/jpr_toce, jpr_soce, jpr_ssh, jpr_fraqsr, jpr_ocx1, jpr_ocy1/) )%laction = .TRUE.
646	srcv( jpr_e3t1st )%laction = lk_vvl
647	srcv(jpr_ocx1)%clgrid = 'U' ! oce components given at U-point
648	srcv(jpr_ocy1)%clgrid = 'V' ! and V-point
649	! Vectors: change of sign at north fold ONLY if on the local grid
650	srcv(jpr_ocx1:jpr_ocy1)%nsgn = -1.
651	! Change first letter to couple with atmosphere if already coupled OPA
652	! this is nedeed as each variable name used in the namcouple must be unique:
653	! for example O_Runoff received by OPA from SAS and therefore O_Runoff received by SAS from the Atmosphere
654	DO jn = 1, jprcv
655	IF ( srcv(jn)%clname(1:1) == "O" ) srcv(jn)%clname = "S"//srcv(jn)%clname(2:LEN(srcv(jn)%clname))
656	END DO
657	!
658	IF(lwp) THEN ! control print
659	WRITE(numout,*)
660	WRITE(numout,*)' Special conditions for SAS-OPA coupling '
661	WRITE(numout,*)' SAS component '
662	WRITE(numout,*)
663	IF( .NOT. ln_cpl ) THEN
664	WRITE(numout,*)' received fields from OPA component '
665	ELSE
666	WRITE(numout,*)' Additional received fields from OPA component : '
667	ENDIF
668	WRITE(numout,*)' sea surface temperature (Celcius) '
669	WRITE(numout,*)' sea surface salinity '
670	WRITE(numout,*)' surface currents '
671	WRITE(numout,*)' sea surface height '
672	WRITE(numout,*)' thickness of first ocean T level '
673	WRITE(numout,*)' fraction of solar net radiation absorbed in the first ocean level'
674	WRITE(numout,*)
675	ENDIF
676	ENDIF
677
678	! ================================ !
679	! Define the send interface !
680	! ================================ !
681	! for each field: define the OASIS name (ssnd(:)%clname)
682	! define send or not from the namelist parameters (ssnd(:)%laction)
683	! define the north fold type of lbc (ssnd(:)%nsgn)
684
685	! default definitions of nsnd
686	ssnd(:)%laction = .FALSE. ; ssnd(:)%clgrid = 'T' ; ssnd(:)%nsgn = 1. ; ssnd(:)%nct = 1 ; ssnd(:)%dimensions = 2
687
688	! ! ------------------------- !
689	! ! Surface temperature !
690	! ! ------------------------- !
691	ssnd(jps_toce)%clname = 'O_SSTSST'
692	ssnd(jps_tice)%clname = 'OTepIce'
693	ssnd(jps_tmix)%clname = 'O_TepMix'
694	SELECT CASE( TRIM( sn_snd_temp%cldes ) )
695	CASE( 'none' ) ! nothing to do
696	CASE( 'oce only' ) ; ssnd( jps_toce )%laction = .TRUE.
697	CASE( 'oce and ice' , 'weighted oce and ice' , 'oce and weighted ice')
698	ssnd( (/jps_toce, jps_tice/) )%laction = .TRUE.
699	IF ( TRIM( sn_snd_temp%clcat ) == 'yes' ) ssnd(jps_tice)%nct = jpl
700	CASE( 'mixed oce-ice' ) ; ssnd( jps_tmix )%laction = .TRUE.
701	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_temp%cldes' )
702	END SELECT
703
704	! ! ------------------------- !
705	! ! Albedo !
706	! ! ------------------------- !
707	ssnd(jps_albice)%clname = 'O_AlbIce'
708	ssnd(jps_albmix)%clname = 'O_AlbMix'
709	SELECT CASE( TRIM( sn_snd_alb%cldes ) )
710	CASE( 'none' ) ! nothing to do
711	CASE( 'ice' , 'weighted ice' ) ; ssnd(jps_albice)%laction = .TRUE.
712	CASE( 'mixed oce-ice' ) ; ssnd(jps_albmix)%laction = .TRUE.
713	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_alb%cldes' )
714	END SELECT
715	!
716	! Need to calculate oceanic albedo if
717	! 1. sending mixed oce-ice albedo or
718	! 2. receiving mixed oce-ice solar radiation
719	IF ( TRIM ( sn_snd_alb%cldes ) == 'mixed oce-ice' .OR. TRIM ( sn_rcv_qsr%cldes ) == 'mixed oce-ice' ) THEN
720	CALL albedo_oce( zaos, zacs )
721	! Due to lack of information on nebulosity : mean clear/overcast sky
722	albedo_oce_mix(:,:) = ( zacs(:,:) + zaos(:,:) ) * 0.5
723	ENDIF
724
725	! ! ------------------------- !
726	! ! Ice fraction & Thickness
727	! ! ------------------------- !
728	ssnd(jps_fice)%clname = 'OIceFrc'
729	ssnd(jps_hice)%clname = 'OIceTck'
730	ssnd(jps_hsnw)%clname = 'OSnwTck'
731	ssnd(jps_a_p)%clname = 'OPndFrc'
732	ssnd(jps_ht_p)%clname = 'OPndTck'
733	ssnd(jps_fice1)%clname = 'OIceFrd'
734	IF( k_ice /= 0 ) THEN
735	ssnd(jps_fice)%laction = .TRUE. ! if ice treated in the ocean (even in climato case)
736	ssnd(jps_fice1)%laction = .TRUE. ! First-order regridded ice concentration, to be used
737	! in producing atmos-to-ice fluxes
738	! Currently no namelist entry to determine sending of multi-category ice fraction so use the thickness entry for now
739	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) ssnd(jps_fice)%nct = jpl
740	IF ( TRIM( sn_snd_thick1%clcat ) == 'yes' ) ssnd(jps_fice1)%nct = jpl
741	ENDIF
742
743	SELECT CASE ( TRIM( sn_snd_thick%cldes ) )
744	CASE( 'none' ) ! nothing to do
745	CASE( 'ice and snow' )
746	ssnd(jps_hice:jps_hsnw)%laction = .TRUE.
747	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) THEN
748	ssnd(jps_hice:jps_hsnw)%nct = jpl
749	ENDIF
750	CASE ( 'weighted ice and snow' )
751	ssnd(jps_hice:jps_hsnw)%laction = .TRUE.
752	IF ( TRIM( sn_snd_thick%clcat ) == 'yes' ) ssnd(jps_hice:jps_hsnw)%nct = jpl
753	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_thick%cldes' )
754	END SELECT
755
756	! ! ------------------------- !
757	! ! Ice Meltponds !
758	! ! ------------------------- !
759	#if defined key_cice && ! defined key_cice4
760	! Meltponds only CICE5
761	ssnd(jps_a_p)%clname = 'OPndFrc'
762	ssnd(jps_ht_p)%clname = 'OPndTck'
763	SELECT CASE ( TRIM( sn_snd_mpnd%cldes ) )
764	CASE ( 'none' )
765	ssnd(jps_a_p)%laction = .FALSE.
766	ssnd(jps_ht_p)%laction = .FALSE.
767	CASE ( 'ice only' )
768	ssnd(jps_a_p)%laction = .TRUE.
769	ssnd(jps_ht_p)%laction = .TRUE.
770	IF ( TRIM( sn_snd_mpnd%clcat ) == 'yes' ) THEN
771	ssnd(jps_a_p)%nct = jpl
772	ssnd(jps_ht_p)%nct = jpl
773	ELSE
774	IF ( jpl > 1 ) THEN
775	CALL ctl_stop( 'sbc_cpl_init: use weighted ice option for sn_snd_mpnd%cldes if not exchanging category fields' )
776	ENDIF
777	ENDIF
778	CASE ( 'weighted ice' )
779	ssnd(jps_a_p)%laction = .TRUE.
780	ssnd(jps_ht_p)%laction = .TRUE.
781	IF ( TRIM( sn_snd_mpnd%clcat ) == 'yes' ) THEN
782	ssnd(jps_a_p)%nct = jpl
783	ssnd(jps_ht_p)%nct = jpl
784	ENDIF
785	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_mpnd%cldes' )
786	END SELECT
787	#else
788	IF( TRIM( sn_snd_mpnd%cldes ) /= 'none' ) THEN
789	CALL ctl_stop('Meltponds can only be used with CICEv5')
790	ENDIF
791	#endif
792
793	! ! ------------------------- !
794	! ! Surface current !
795	! ! ------------------------- !
796	! ocean currents ! ice velocities
797	ssnd(jps_ocx1)%clname = 'O_OCurx1' ; ssnd(jps_ivx1)%clname = 'O_IVelx1'
798	ssnd(jps_ocy1)%clname = 'O_OCury1' ; ssnd(jps_ivy1)%clname = 'O_IVely1'
799	ssnd(jps_ocz1)%clname = 'O_OCurz1' ; ssnd(jps_ivz1)%clname = 'O_IVelz1'
800	!
801	ssnd(jps_ocx1:jps_ivz1)%nsgn = -1. ! vectors: change of the sign at the north fold
802
803	IF( sn_snd_crt%clvgrd == 'U,V' ) THEN
804	ssnd(jps_ocx1)%clgrid = 'U' ; ssnd(jps_ocy1)%clgrid = 'V'
805	ELSE IF( sn_snd_crt%clvgrd /= 'T' ) THEN
806	CALL ctl_stop( 'sn_snd_crt%clvgrd must be equal to T' )
807	ssnd(jps_ocx1:jps_ivz1)%clgrid = 'T' ! all oce and ice components on the same unique grid
808	ENDIF
809	ssnd(jps_ocx1:jps_ivz1)%laction = .TRUE. ! default: all are send
810	IF( TRIM( sn_snd_crt%clvref ) == 'spherical' ) ssnd( (/jps_ocz1, jps_ivz1/) )%laction = .FALSE.
811	IF( TRIM( sn_snd_crt%clvor ) == 'eastward-northward' ) ssnd(jps_ocx1:jps_ivz1)%nsgn = 1.
812	SELECT CASE( TRIM( sn_snd_crt%cldes ) )
813	CASE( 'none' ) ; ssnd(jps_ocx1:jps_ivz1)%laction = .FALSE.
814	CASE( 'oce only' ) ; ssnd(jps_ivx1:jps_ivz1)%laction = .FALSE.
815	CASE( 'weighted oce and ice' ) ! nothing to do
816	CASE( 'mixed oce-ice' ) ; ssnd(jps_ivx1:jps_ivz1)%laction = .FALSE.
817	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_crt%cldes' )
818	END SELECT
819
820	! ! ------------------------- !
821	! ! CO2 flux !
822	! ! ------------------------- !
823	ssnd(jps_co2)%clname = 'O_CO2FLX' ; IF( TRIM(sn_snd_co2%cldes) == 'coupled' ) ssnd(jps_co2 )%laction = .TRUE.
824	!
825
826	! ! ------------------------- !
827	! ! MEDUSA output fields !
828	! ! ------------------------- !
829	! Surface dimethyl sulphide from Medusa
830	ssnd(jps_bio_dms)%clname = 'OBioDMS'
831	IF( TRIM(sn_snd_bio_dms%cldes) == 'medusa' ) ssnd(jps_bio_dms )%laction = .TRUE.
832
833	! Surface CO2 flux from Medusa
834	ssnd(jps_bio_co2)%clname = 'OBioCO2'
835	IF( TRIM(sn_snd_bio_co2%cldes) == 'medusa' ) ssnd(jps_bio_co2 )%laction = .TRUE.
836
837	! Surface chlorophyll from Medusa
838	ssnd(jps_bio_chloro)%clname = 'OBioChlo'
839	IF( TRIM(sn_snd_bio_chloro%cldes) == 'medusa' ) ssnd(jps_bio_chloro )%laction = .TRUE.
840
841	! ! ------------------------- !
842	! ! Sea surface freezing temp !
843	! ! ------------------------- !
844	ssnd(jps_sstfrz)%clname = 'O_SSTFrz' ; IF( TRIM(sn_snd_sstfrz%cldes) == 'coupled' ) ssnd(jps_sstfrz)%laction = .TRUE.
845	!
846	! ! ------------------------- !
847	! ! Ice conductivity !
848	! ! ------------------------- !
849	! Note that ultimately we will move to passing an ocean effective conductivity as well so there
850	! will be some changes to the parts of the code which currently relate only to ice conductivity
851	ssnd(jps_kice )%clname = 'OIceKn'
852	SELECT CASE ( TRIM( sn_snd_cond%cldes ) )
853	CASE ( 'none' )
854	ssnd(jps_kice)%laction = .FALSE.
855	CASE ( 'ice only' )
856	ssnd(jps_kice)%laction = .TRUE.
857	IF ( TRIM( sn_snd_cond%clcat ) == 'yes' ) THEN
858	ssnd(jps_kice)%nct = jpl
859	ELSE
860	IF ( jpl > 1 ) THEN
861	CALL ctl_stop( 'sbc_cpl_init: use weighted ice option for sn_snd_cond%cldes if not exchanging category fields' )
862	ENDIF
863	ENDIF
864	CASE ( 'weighted ice' )
865	ssnd(jps_kice)%laction = .TRUE.
866	IF ( TRIM( sn_snd_cond%clcat ) == 'yes' ) ssnd(jps_kice)%nct = jpl
867	CASE default ; CALL ctl_stop( 'sbc_cpl_init: wrong definition of sn_snd_cond%cldes' )
868	END SELECT
869	!
870
871
872	! ! ------------------------------- !
873	! ! OPA-SAS coupling - snd by opa !
874	! ! ------------------------------- !
875	ssnd(jps_ssh )%clname = 'O_SSHght'
876	ssnd(jps_soce )%clname = 'O_SSSal'
877	ssnd(jps_e3t1st)%clname = 'O_E3T1st'
878	ssnd(jps_fraqsr)%clname = 'O_FraQsr'
879	!
880	IF( nn_components == jp_iam_opa ) THEN
881	ssnd(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
882	ssnd( (/jps_toce, jps_soce, jps_ssh, jps_fraqsr, jps_ocx1, jps_ocy1/) )%laction = .TRUE.
883	ssnd( jps_e3t1st )%laction = lk_vvl
884	! vector definition: not used but cleaner...
885	ssnd(jps_ocx1)%clgrid = 'U' ! oce components given at U-point
886	ssnd(jps_ocy1)%clgrid = 'V' ! and V-point
887	sn_snd_crt%clvgrd = 'U,V'
888	sn_snd_crt%clvor = 'local grid'
889	sn_snd_crt%clvref = 'spherical'
890	!
891	IF(lwp) THEN ! control print
892	WRITE(numout,*)
893	WRITE(numout,*)' sent fields to SAS component '
894	WRITE(numout,*)' sea surface temperature (T before, Celcius) '
895	WRITE(numout,*)' sea surface salinity '
896	WRITE(numout,*)' surface currents U,V on local grid and spherical coordinates'
897	WRITE(numout,*)' sea surface height '
898	WRITE(numout,*)' thickness of first ocean T level '
899	WRITE(numout,*)' fraction of solar net radiation absorbed in the first ocean level'
900	WRITE(numout,*)
901	ENDIF
902	ENDIF
903	! ! ------------------------------- !
904	! ! OPA-SAS coupling - snd by sas !
905	! ! ------------------------------- !
906	ssnd(jps_sflx )%clname = 'I_SFLX'
907	ssnd(jps_fice2 )%clname = 'IIceFrc'
908	ssnd(jps_qsroce)%clname = 'I_QsrOce'
909	ssnd(jps_qnsoce)%clname = 'I_QnsOce'
910	ssnd(jps_oemp )%clname = 'IOEvaMPr'
911	ssnd(jps_otx1 )%clname = 'I_OTaux1'
912	ssnd(jps_oty1 )%clname = 'I_OTauy1'
913	ssnd(jps_rnf )%clname = 'I_Runoff'
914	ssnd(jps_taum )%clname = 'I_TauMod'
915	!
916	IF( nn_components == jp_iam_sas ) THEN
917	IF( .NOT. ln_cpl ) ssnd(:)%laction = .FALSE. ! force default definition in case of opa <-> sas coupling
918	ssnd( (/jps_qsroce, jps_qnsoce, jps_oemp, jps_fice2, jps_sflx, jps_otx1, jps_oty1, jps_taum/) )%laction = .TRUE.
919	!
920	! Change first letter to couple with atmosphere if already coupled with sea_ice
921	! this is nedeed as each variable name used in the namcouple must be unique:
922	! for example O_SSTSST sent by OPA to SAS and therefore S_SSTSST sent by SAS to the Atmosphere
923	DO jn = 1, jpsnd
924	IF ( ssnd(jn)%clname(1:1) == "O" ) ssnd(jn)%clname = "S"//ssnd(jn)%clname(2:LEN(ssnd(jn)%clname))
925	END DO
926	!
927	IF(lwp) THEN ! control print
928	WRITE(numout,*)
929	IF( .NOT. ln_cpl ) THEN
930	WRITE(numout,*)' sent fields to OPA component '
931	ELSE
932	WRITE(numout,*)' Additional sent fields to OPA component : '
933	ENDIF
934	WRITE(numout,*)' ice cover '
935	WRITE(numout,*)' oce only EMP '
936	WRITE(numout,*)' salt flux '
937	WRITE(numout,*)' mixed oce-ice solar flux '
938	WRITE(numout,*)' mixed oce-ice non solar flux '
939	WRITE(numout,*)' wind stress U,V components'
940	WRITE(numout,*)' wind stress module'
941	ENDIF
942	ENDIF
943
944	! Initialise 1D river outflow scheme
945	nn_cpl_river = 1
946	IF ( TRIM( sn_rcv_rnf%cldes ) == 'coupled1d' ) CALL cpl_rnf_1d_init ! Coupled runoff using 1D array
947
948	! =================================================== !
949	! Allocate all parts of frcv used for received fields !
950	! =================================================== !
951	DO jn = 1, jprcv
952
953	IF ( srcv(jn)%laction ) THEN
954	SELECT CASE( srcv(jn)%dimensions )
955	!
956	CASE( 0 ) ! Scalar field
957	ALLOCATE( frcv(jn)%z3(1,1,1) )
958
959	CASE( 1 ) ! 1D field
960	ALLOCATE( frcv(jn)%z3(nn_cpl_river,1,1) )
961
962	CASE DEFAULT ! 2D (or pseudo 3D) field.
963	ALLOCATE( frcv(jn)%z3(jpi,jpj,srcv(jn)%nct) )
964
965	END SELECT
966	END IF
967
968	END DO
969	! Allocate taum part of frcv which is used even when not received as coupling field
970	IF ( .NOT. srcv(jpr_taum)%laction ) ALLOCATE( frcv(jpr_taum)%z3(jpi,jpj,srcv(jpr_taum)%nct) )
971	! Allocate w10m part of frcv which is used even when not received as coupling field
972	IF ( .NOT. srcv(jpr_w10m)%laction ) ALLOCATE( frcv(jpr_w10m)%z3(jpi,jpj,srcv(jpr_w10m)%nct) )
973	! Allocate jpr_otx1 part of frcv which is used even when not received as coupling field
974	IF ( .NOT. srcv(jpr_otx1)%laction ) ALLOCATE( frcv(jpr_otx1)%z3(jpi,jpj,srcv(jpr_otx1)%nct) )
975	IF ( .NOT. srcv(jpr_oty1)%laction ) ALLOCATE( frcv(jpr_oty1)%z3(jpi,jpj,srcv(jpr_oty1)%nct) )
976	! Allocate itx1 and ity1 as they are used in sbc_cpl_ice_tau even if srcv(jpr_itx1)%laction = .FALSE.
977	IF( k_ice /= 0 ) THEN
978	IF ( .NOT. srcv(jpr_itx1)%laction ) ALLOCATE( frcv(jpr_itx1)%z3(jpi,jpj,srcv(jpr_itx1)%nct) )
979	IF ( .NOT. srcv(jpr_ity1)%laction ) ALLOCATE( frcv(jpr_ity1)%z3(jpi,jpj,srcv(jpr_ity1)%nct) )
980	END IF
981
982	!
983	! ================================ !
984	! initialisation of the coupler !
985	! ================================ !
986
987	CALL cpl_define(jprcv, jpsnd, nn_cplmodel)
988
989	IF (ln_usecplmask) THEN
990	xcplmask(:,:,:) = 0.
991	CALL iom_open( 'cplmask', inum )
992	CALL iom_get( inum, jpdom_unknown, 'cplmask', xcplmask(1:nlci,1:nlcj,1:nn_cplmodel), &
993	& kstart = (/ mig(1),mjg(1),1 /), kcount = (/ nlci,nlcj,nn_cplmodel /) )
994	CALL iom_close( inum )
995	ELSE
996	xcplmask(:,:,:) = 1.
997	ENDIF
998	xcplmask(:,:,0) = 1. - SUM( xcplmask(:,:,1:nn_cplmodel), dim = 3 )
999	!
1000	ncpl_qsr_freq = cpl_freq( 'O_QsrOce' ) + cpl_freq( 'O_QsrMix' ) + cpl_freq( 'I_QsrOce' ) + cpl_freq( 'I_QsrMix' )
1001	IF( ln_dm2dc .AND. ln_cpl .AND. ncpl_qsr_freq /= 86400 ) &
1002	& CALL ctl_stop( 'sbc_cpl_init: diurnal cycle reconstruction (ln_dm2dc) needs daily couping for solar radiation' )
1003	ncpl_qsr_freq = 86400 / ncpl_qsr_freq
1004
1005	IF( nn_coupled_iceshelf_fluxes .gt. 0 ) THEN
1006	! Crude masks to separate the Antarctic and Greenland icesheets. Obviously something
1007	! more complicated could be done if required.
1008	greenland_icesheet_mask = 0.0
1009	WHERE( gphit >= 0.0 ) greenland_icesheet_mask = 1.0
1010	antarctica_icesheet_mask = 0.0
1011	WHERE( gphit < 0.0 ) antarctica_icesheet_mask = 1.0
1012
1013	! initialise other variables
1014	greenland_icesheet_mass_array(:,:) = 0.0
1015	antarctica_icesheet_mass_array(:,:) = 0.0
1016
1017	IF( .not. ln_rstart ) THEN
1018	greenland_icesheet_mass = 0.0
1019	greenland_icesheet_mass_rate_of_change = 0.0
1020	greenland_icesheet_timelapsed = 0.0
1021	antarctica_icesheet_mass = 0.0
1022	antarctica_icesheet_mass_rate_of_change = 0.0
1023	antarctica_icesheet_timelapsed = 0.0
1024	ENDIF
1025
1026	ENDIF
1027
1028	CALL wrk_dealloc( jpi,jpj, zacs, zaos )
1029	!
1030	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_init')
1031	!
1032	END SUBROUTINE sbc_cpl_init
1033
1034
1035	SUBROUTINE sbc_cpl_rcv( kt, k_fsbc, k_ice )
1036	!!----------------------------------------------------------------------
1037	!! * ROUTINE sbc_cpl_rcv *
1038	!!
1039	!! ** Purpose : provide the stress over the ocean and, if no sea-ice,
1040	!! provide the ocean heat and freshwater fluxes.
1041	!!
1042	!! ** Method : - Receive all the atmospheric fields (stored in frcv array). called at each time step.
1043	!! OASIS controls if there is something do receive or not. nrcvinfo contains the info
1044	!! to know if the field was really received or not
1045	!!
1046	!! --> If ocean stress was really received:
1047	!!
1048	!! - transform the received ocean stress vector from the received
1049	!! referential and grid into an atmosphere-ocean stress in
1050	!! the (i,j) ocean referencial and at the ocean velocity point.
1051	!! The received stress are :
1052	!! - defined by 3 components (if cartesian coordinate)
1053	!! or by 2 components (if spherical)
1054	!! - oriented along geographical coordinate (if eastward-northward)
1055	!! or along the local grid coordinate (if local grid)
1056	!! - given at U- and V-point, resp. if received on 2 grids
1057	!! or at T-point if received on 1 grid
1058	!! Therefore and if necessary, they are successively
1059	!! processed in order to obtain them
1060	!! first as 2 components on the sphere
1061	!! second as 2 components oriented along the local grid
1062	!! third as 2 components on the U,V grid
1063	!!
1064	!! -->
1065	!!
1066	!! - In 'ocean only' case, non solar and solar ocean heat fluxes
1067	!! and total ocean freshwater fluxes
1068	!!
1069	!! ** Method : receive all fields from the atmosphere and transform
1070	!! them into ocean surface boundary condition fields
1071	!!
1072	!! ** Action : update utau, vtau ocean stress at U,V grid
1073	!! taum wind stress module at T-point
1074	!! wndm wind speed module at T-point over free ocean or leads in presence of sea-ice
1075	!! qns non solar heat fluxes including emp heat content (ocean only case)
1076	!! and the latent heat flux of solid precip. melting
1077	!! qsr solar ocean heat fluxes (ocean only case)
1078	!! emp upward mass flux [evap. - precip. (- runoffs) (- calving)] (ocean only case)
1079	!!----------------------------------------------------------------------
1080	INTEGER, INTENT(in) :: kt ! ocean model time step index
1081	INTEGER, INTENT(in) :: k_fsbc ! frequency of sbc (-> ice model) computation
1082	INTEGER, INTENT(in) :: k_ice ! ice management in the sbc (=0/1/2/3)
1083
1084	!!
1085	LOGICAL :: llnewtx, llnewtau ! update wind stress components and module??
1086	INTEGER :: ji, jj, jl, jn ! dummy loop indices
1087	INTEGER :: isec ! number of seconds since nit000 (assuming rdttra did not change since nit000)
1088	INTEGER :: ikchoix
1089	REAL(wp) :: zcumulneg, zcumulpos ! temporary scalars
1090	REAL(wp) :: zgreenland_icesheet_mass_in, zantarctica_icesheet_mass_in
1091	REAL(wp) :: zgreenland_icesheet_mass_b, zantarctica_icesheet_mass_b
1092	REAL(wp) :: zmask_sum, zepsilon
1093	REAL(wp) :: zcoef ! temporary scalar
1094	REAL(wp) :: zrhoa = 1.22 ! Air density kg/m3
1095	REAL(wp) :: zcdrag = 1.5e-3 ! drag coefficient
1096	REAL(wp) :: zzx, zzy ! temporary variables
1097	REAL(wp), POINTER, DIMENSION(:,:) :: ztx, zty, zmsk, zemp, zqns, zqsr, ztx2, zty2
1098	!!----------------------------------------------------------------------
1099
1100	!
1101	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_rcv')
1102	!
1103	CALL wrk_alloc( jpi,jpj, ztx, zty, zmsk, zemp, zqns, zqsr, ztx2, zty2 )
1104	!
1105	IF( ln_mixcpl ) zmsk(:,:) = 1. - xcplmask(:,:,0)
1106	!
1107	! ! ======================================================= !
1108	! ! Receive all the atmos. fields (including ice information)
1109	! ! ======================================================= !
1110	isec = ( kt - nit000 ) * NINT( rdttra(1) ) ! date of exchanges
1111	DO jn = 1, jprcv ! received fields sent by the atmosphere
1112	IF( srcv(jn)%laction ) THEN
1113
1114	IF ( srcv(jn)%dimensions <= 1 ) THEN
1115	CALL cpl_rcv_1d( jn, isec, frcv(jn)%z3, SIZE(frcv(jn)%z3), nrcvinfo(jn) )
1116	ELSE
1117	CALL cpl_rcv( jn, isec, frcv(jn)%z3, xcplmask(:,:,1:nn_cplmodel), nrcvinfo(jn) )
1118	END IF
1119
1120	END IF
1121	END DO
1122	! ! ========================= !
1123	IF( srcv(jpr_otx1)%laction ) THEN ! ocean stress components !
1124	! ! ========================= !
1125	! define frcv(jpr_otx1)%z3(:,:,1) and frcv(jpr_oty1)%z3(:,:,1): stress at U/V point along model grid
1126	! => need to be done only when we receive the field
1127	IF( nrcvinfo(jpr_otx1) == OASIS_Rcv ) THEN
1128	!
1129	IF( TRIM( sn_rcv_tau%clvref ) == 'cartesian' ) THEN ! 2 components on the sphere
1130	! ! (cartesian to spherical -> 3 to 2 components)
1131	!
1132	CALL geo2oce( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), frcv(jpr_otz1)%z3(:,:,1), &
1133	& srcv(jpr_otx1)%clgrid, ztx, zty )
1134	frcv(jpr_otx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 1st grid
1135	frcv(jpr_oty1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 1st grid
1136	!
1137	IF( srcv(jpr_otx2)%laction ) THEN
1138	CALL geo2oce( frcv(jpr_otx2)%z3(:,:,1), frcv(jpr_oty2)%z3(:,:,1), frcv(jpr_otz2)%z3(:,:,1), &
1139	& srcv(jpr_otx2)%clgrid, ztx, zty )
1140	frcv(jpr_otx2)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 2nd grid
1141	frcv(jpr_oty2)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 2nd grid
1142	ENDIF
1143	!
1144	ENDIF
1145	!
1146	IF( TRIM( sn_rcv_tau%clvor ) == 'eastward-northward' ) THEN ! 2 components oriented along the local grid
1147	! ! (geographical to local grid -> rotate the components)
1148	IF( srcv(jpr_otx1)%clgrid == 'U' .AND. (.NOT. srcv(jpr_otx2)%laction) ) THEN
1149	! Temporary code for HadGEM3 - will be removed eventually.
1150	! Only applies when we have only taux on U grid and tauy on V grid
1151	DO jj=2,jpjm1
1152	DO ji=2,jpim1
1153	ztx(ji,jj)=0.25*vmask(ji,jj,1) &
1154	*(frcv(jpr_otx1)%z3(ji,jj,1)+frcv(jpr_otx1)%z3(ji-1,jj,1) &
1155	+frcv(jpr_otx1)%z3(ji,jj+1,1)+frcv(jpr_otx1)%z3(ji-1,jj+1,1))
1156	zty(ji,jj)=0.25*umask(ji,jj,1) &
1157	*(frcv(jpr_oty1)%z3(ji,jj,1)+frcv(jpr_oty1)%z3(ji+1,jj,1) &
1158	+frcv(jpr_oty1)%z3(ji,jj-1,1)+frcv(jpr_oty1)%z3(ji+1,jj-1,1))
1159	ENDDO
1160	ENDDO
1161
1162	ikchoix = 1
1163	CALL repcmo (frcv(jpr_otx1)%z3(:,:,1),zty,ztx,frcv(jpr_oty1)%z3(:,:,1),ztx2,zty2,ikchoix)
1164	CALL lbc_lnk (ztx2,'U', -1. )
1165	CALL lbc_lnk (zty2,'V', -1. )
1166	frcv(jpr_otx1)%z3(:,:,1)=ztx2(:,:)
1167	frcv(jpr_oty1)%z3(:,:,1)=zty2(:,:)
1168	ELSE
1169	CALL rot_rep( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), srcv(jpr_otx1)%clgrid, 'en->i', ztx )
1170	frcv(jpr_otx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st component on the 1st grid
1171	IF( srcv(jpr_otx2)%laction ) THEN
1172	CALL rot_rep( frcv(jpr_otx2)%z3(:,:,1), frcv(jpr_oty2)%z3(:,:,1), srcv(jpr_otx2)%clgrid, 'en->j', zty )
1173	ELSE
1174	CALL rot_rep( frcv(jpr_otx1)%z3(:,:,1), frcv(jpr_oty1)%z3(:,:,1), srcv(jpr_otx1)%clgrid, 'en->j', zty )
1175	ENDIF
1176	frcv(jpr_oty1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd component on the 2nd grid
1177	ENDIF
1178	ENDIF
1179	!
1180	IF( srcv(jpr_otx1)%clgrid == 'T' ) THEN
1181	DO jj = 2, jpjm1 ! T ==> (U,V)
1182	DO ji = fs_2, fs_jpim1 ! vector opt.
1183	frcv(jpr_otx1)%z3(ji,jj,1) = 0.5 * ( frcv(jpr_otx1)%z3(ji+1,jj ,1) + frcv(jpr_otx1)%z3(ji,jj,1) )
1184	frcv(jpr_oty1)%z3(ji,jj,1) = 0.5 * ( frcv(jpr_oty1)%z3(ji ,jj+1,1) + frcv(jpr_oty1)%z3(ji,jj,1) )
1185	END DO
1186	END DO
1187	CALL lbc_lnk( frcv(jpr_otx1)%z3(:,:,1), 'U', -1. ) ; CALL lbc_lnk( frcv(jpr_oty1)%z3(:,:,1), 'V', -1. )
1188	ENDIF
1189	llnewtx = .TRUE.
1190	ELSE
1191	llnewtx = .FALSE.
1192	ENDIF
1193	! ! ========================= !
1194	ELSE ! No dynamical coupling !
1195	! ! ========================= !
1196	frcv(jpr_otx1)%z3(:,:,1) = 0.e0 ! here simply set to zero
1197	frcv(jpr_oty1)%z3(:,:,1) = 0.e0 ! an external read in a file can be added instead
1198	llnewtx = .TRUE.
1199	!
1200	ENDIF
1201	! ! ========================= !
1202	! ! wind stress module ! (taum)
1203	! ! ========================= !
1204	!
1205	IF( .NOT. srcv(jpr_taum)%laction ) THEN ! compute wind stress module from its components if not received
1206	! => need to be done only when otx1 was changed
1207	IF( llnewtx ) THEN
1208	!CDIR NOVERRCHK
1209	DO jj = 2, jpjm1
1210	!CDIR NOVERRCHK
1211	DO ji = fs_2, fs_jpim1 ! vect. opt.
1212	zzx = frcv(jpr_otx1)%z3(ji-1,jj ,1) + frcv(jpr_otx1)%z3(ji,jj,1)
1213	zzy = frcv(jpr_oty1)%z3(ji ,jj-1,1) + frcv(jpr_oty1)%z3(ji,jj,1)
1214	frcv(jpr_taum)%z3(ji,jj,1) = 0.5 * SQRT( zzx * zzx + zzy * zzy )
1215	END DO
1216	END DO
1217	CALL lbc_lnk( frcv(jpr_taum)%z3(:,:,1), 'T', 1. )
1218	llnewtau = .TRUE.
1219	ELSE
1220	llnewtau = .FALSE.
1221	ENDIF
1222	ELSE
1223	llnewtau = nrcvinfo(jpr_taum) == OASIS_Rcv
1224	! Stress module can be negative when received (interpolation problem)
1225	IF( llnewtau ) THEN
1226	frcv(jpr_taum)%z3(:,:,1) = MAX( 0._wp, frcv(jpr_taum)%z3(:,:,1) )
1227	ENDIF
1228	ENDIF
1229	!
1230	! ! ========================= !
1231	! ! 10 m wind speed ! (wndm)
1232	! ! ========================= !
1233	!
1234	IF( .NOT. srcv(jpr_w10m)%laction ) THEN ! compute wind spreed from wind stress module if not received
1235	! => need to be done only when taumod was changed
1236	IF( llnewtau ) THEN
1237	zcoef = 1. / ( zrhoa * zcdrag )
1238	!CDIR NOVERRCHK
1239	DO jj = 1, jpj
1240	!CDIR NOVERRCHK
1241	DO ji = 1, jpi
1242	frcv(jpr_w10m)%z3(ji,jj,1) = SQRT( frcv(jpr_taum)%z3(ji,jj,1) * zcoef )
1243	END DO
1244	END DO
1245	ENDIF
1246	ENDIF
1247
1248	! u(v)tau and taum will be modified by ice model
1249	! -> need to be reset before each call of the ice/fsbc
1250	IF( MOD( kt-1, k_fsbc ) == 0 ) THEN
1251	!
1252	IF( ln_mixcpl ) THEN
1253	utau(:,:) = utau(:,:) * xcplmask(:,:,0) + frcv(jpr_otx1)%z3(:,:,1) * zmsk(:,:)
1254	vtau(:,:) = vtau(:,:) * xcplmask(:,:,0) + frcv(jpr_oty1)%z3(:,:,1) * zmsk(:,:)
1255	taum(:,:) = taum(:,:) * xcplmask(:,:,0) + frcv(jpr_taum)%z3(:,:,1) * zmsk(:,:)
1256	wndm(:,:) = wndm(:,:) * xcplmask(:,:,0) + frcv(jpr_w10m)%z3(:,:,1) * zmsk(:,:)
1257	ELSE
1258	utau(:,:) = frcv(jpr_otx1)%z3(:,:,1)
1259	vtau(:,:) = frcv(jpr_oty1)%z3(:,:,1)
1260	taum(:,:) = frcv(jpr_taum)%z3(:,:,1)
1261	wndm(:,:) = frcv(jpr_w10m)%z3(:,:,1)
1262	ENDIF
1263	CALL iom_put( "taum_oce", taum ) ! output wind stress module
1264	!
1265	ENDIF
1266
1267	IF (ln_medusa) THEN
1268	IF( srcv(jpr_atm_pco2)%laction) PCO2a_in_cpl(:,:) = frcv(jpr_atm_pco2)%z3(:,:,1)
1269	IF( srcv(jpr_atm_dust)%laction) Dust_in_cpl(:,:) = frcv(jpr_atm_dust)%z3(:,:,1)
1270	ENDIF
1271
1272	#if defined key_cpl_carbon_cycle
1273	! ! ================== !
1274	! ! atmosph. CO2 (ppm) !
1275	! ! ================== !
1276	IF( srcv(jpr_co2)%laction ) atm_co2(:,:) = frcv(jpr_co2)%z3(:,:,1)
1277	#endif
1278
1279	#if defined key_cice && ! defined key_cice4
1280	! ! Sea ice surface skin temp:
1281	IF( srcv(jpr_ts_ice)%laction ) THEN
1282	DO jl = 1, jpl
1283	DO jj = 1, jpj
1284	DO ji = 1, jpi
1285	IF (frcv(jpr_ts_ice)%z3(ji,jj,jl) > 0.0) THEN
1286	tsfc_ice(ji,jj,jl) = 0.0
1287	ELSE IF (frcv(jpr_ts_ice)%z3(ji,jj,jl) < -60.0) THEN
1288	tsfc_ice(ji,jj,jl) = -60.0
1289	ELSE
1290	tsfc_ice(ji,jj,jl) = frcv(jpr_ts_ice)%z3(ji,jj,jl)
1291	ENDIF
1292	END DO
1293	END DO
1294	END DO
1295	ENDIF
1296	#endif
1297
1298	! Fields received by SAS when OASIS coupling
1299	! (arrays no more filled at sbcssm stage)
1300	! ! ================== !
1301	! ! SSS !
1302	! ! ================== !
1303	IF( srcv(jpr_soce)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1304	sss_m(:,:) = frcv(jpr_soce)%z3(:,:,1)
1305	CALL iom_put( 'sss_m', sss_m )
1306	ENDIF
1307	!
1308	! ! ================== !
1309	! ! SST !
1310	! ! ================== !
1311	IF( srcv(jpr_toce)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1312	sst_m(:,:) = frcv(jpr_toce)%z3(:,:,1)
1313	IF( srcv(jpr_soce)%laction .AND. ln_useCT ) THEN ! make sure that sst_m is the potential temperature
1314	sst_m(:,:) = eos_pt_from_ct( sst_m(:,:), sss_m(:,:) )
1315	ENDIF
1316	ENDIF
1317	! ! ================== !
1318	! ! SSH !
1319	! ! ================== !
1320	IF( srcv(jpr_ssh )%laction ) THEN ! received by sas in case of opa <-> sas coupling
1321	ssh_m(:,:) = frcv(jpr_ssh )%z3(:,:,1)
1322	CALL iom_put( 'ssh_m', ssh_m )
1323	ENDIF
1324	! ! ================== !
1325	! ! surface currents !
1326	! ! ================== !
1327	IF( srcv(jpr_ocx1)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1328	ssu_m(:,:) = frcv(jpr_ocx1)%z3(:,:,1)
1329	ub (:,:,1) = ssu_m(:,:) ! will be used in sbcice_lim in the call of lim_sbc_tau
1330	un (:,:,1) = ssu_m(:,:) ! will be used in sbc_cpl_snd if atmosphere coupling
1331	CALL iom_put( 'ssu_m', ssu_m )
1332	ENDIF
1333	IF( srcv(jpr_ocy1)%laction ) THEN
1334	ssv_m(:,:) = frcv(jpr_ocy1)%z3(:,:,1)
1335	vb (:,:,1) = ssv_m(:,:) ! will be used in sbcice_lim in the call of lim_sbc_tau
1336	vn (:,:,1) = ssv_m(:,:) ! will be used in sbc_cpl_snd if atmosphere coupling
1337	CALL iom_put( 'ssv_m', ssv_m )
1338	ENDIF
1339	! ! ======================== !
1340	! ! first T level thickness !
1341	! ! ======================== !
1342	IF( srcv(jpr_e3t1st )%laction ) THEN ! received by sas in case of opa <-> sas coupling
1343	e3t_m(:,:) = frcv(jpr_e3t1st )%z3(:,:,1)
1344	CALL iom_put( 'e3t_m', e3t_m(:,:) )
1345	ENDIF
1346	! ! ================================ !
1347	! ! fraction of solar net radiation !
1348	! ! ================================ !
1349	IF( srcv(jpr_fraqsr)%laction ) THEN ! received by sas in case of opa <-> sas coupling
1350	frq_m(:,:) = frcv(jpr_fraqsr)%z3(:,:,1)
1351	CALL iom_put( 'frq_m', frq_m )
1352	ENDIF
1353
1354	! ! ========================= !
1355	IF( k_ice <= 1 .AND. MOD( kt-1, k_fsbc ) == 0 ) THEN ! heat & freshwater fluxes ! (Ocean only case)
1356	! ! ========================= !
1357	!
1358	! ! total freshwater fluxes over the ocean (emp)
1359	IF( srcv(jpr_oemp)%laction .OR. srcv(jpr_rain)%laction ) THEN
1360	SELECT CASE( TRIM( sn_rcv_emp%cldes ) ) ! evaporation - precipitation
1361	CASE( 'conservative' )
1362	zemp(:,:) = frcv(jpr_tevp)%z3(:,:,1) - ( frcv(jpr_rain)%z3(:,:,1) + frcv(jpr_snow)%z3(:,:,1) )
1363	CASE( 'oce only', 'oce and ice' )
1364	zemp(:,:) = frcv(jpr_oemp)%z3(:,:,1)
1365	CASE default
1366	CALL ctl_stop( 'sbc_cpl_rcv: wrong definition of sn_rcv_emp%cldes' )
1367	END SELECT
1368	ELSE
1369	zemp(:,:) = 0._wp
1370	ENDIF
1371	!
1372	! ! runoffs and calving (added in emp)
1373	IF( srcv(jpr_rnf)%laction ) rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1374	IF( srcv(jpr_cal)%laction ) zemp(:,:) = zemp(:,:) - frcv(jpr_cal)%z3(:,:,1)
1375
1376	IF( ln_mixcpl ) THEN ; emp(:,:) = emp(:,:) * xcplmask(:,:,0) + zemp(:,:) * zmsk(:,:)
1377	ELSE ; emp(:,:) = zemp(:,:)
1378	ENDIF
1379	!
1380	! ! non solar heat flux over the ocean (qns)
1381	IF( srcv(jpr_qnsoce)%laction ) THEN ; zqns(:,:) = frcv(jpr_qnsoce)%z3(:,:,1)
1382	ELSE IF( srcv(jpr_qnsmix)%laction ) THEN ; zqns(:,:) = frcv(jpr_qnsmix)%z3(:,:,1)
1383	ELSE ; zqns(:,:) = 0._wp
1384	END IF
1385	! update qns over the free ocean with:
1386	IF( nn_components /= jp_iam_opa ) THEN
1387	zqns(:,:) = zqns(:,:) - zemp(:,:) * sst_m(:,:) * rcp ! remove heat content due to mass flux (assumed to be at SST)
1388	IF( srcv(jpr_snow )%laction ) THEN
1389	zqns(:,:) = zqns(:,:) - frcv(jpr_snow)%z3(:,:,1) * lfus ! energy for melting solid precipitation over the free ocean
1390	ENDIF
1391	ENDIF
1392	IF( ln_mixcpl ) THEN ; qns(:,:) = qns(:,:) * xcplmask(:,:,0) + zqns(:,:) * zmsk(:,:)
1393	ELSE ; qns(:,:) = zqns(:,:)
1394	ENDIF
1395
1396	! ! solar flux over the ocean (qsr)
1397	IF ( srcv(jpr_qsroce)%laction ) THEN ; zqsr(:,:) = frcv(jpr_qsroce)%z3(:,:,1)
1398	ELSE IF( srcv(jpr_qsrmix)%laction ) then ; zqsr(:,:) = frcv(jpr_qsrmix)%z3(:,:,1)
1399	ELSE ; zqsr(:,:) = 0._wp
1400	ENDIF
1401	IF( ln_dm2dc .AND. ln_cpl ) zqsr(:,:) = sbc_dcy( zqsr ) ! modify qsr to include the diurnal cycle
1402	IF( ln_mixcpl ) THEN ; qsr(:,:) = qsr(:,:) * xcplmask(:,:,0) + zqsr(:,:) * zmsk(:,:)
1403	ELSE ; qsr(:,:) = zqsr(:,:)
1404	ENDIF
1405	!
1406	! salt flux over the ocean (received by opa in case of opa <-> sas coupling)
1407	IF( srcv(jpr_sflx )%laction ) sfx(:,:) = frcv(jpr_sflx )%z3(:,:,1)
1408	! Ice cover (received by opa in case of opa <-> sas coupling)
1409	IF( srcv(jpr_fice )%laction ) fr_i(:,:) = frcv(jpr_fice )%z3(:,:,1)
1410	!
1411
1412	ENDIF
1413
1414	! ! land ice masses : Greenland
1415	zepsilon = rn_iceshelf_fluxes_tolerance
1416
1417
1418	! See if we need zmask_sum...
1419	IF ( srcv(jpr_grnm)%laction .OR. srcv(jpr_antm)%laction ) THEN
1420	zmask_sum = glob_sum( tmask(:,:,1) )
1421	ENDIF
1422
1423	IF( srcv(jpr_grnm)%laction .AND. nn_coupled_iceshelf_fluxes == 1 ) THEN
1424
1425	IF( srcv(jpr_grnm)%dimensions == 0 ) THEN
1426
1427	! This is a zero dimensional, single value field.
1428	zgreenland_icesheet_mass_in = frcv(jpr_grnm)%z3(1,1,1)
1429
1430	ELSE
1431
1432	greenland_icesheet_mass_array(:,:) = frcv(jpr_grnm)%z3(:,:,1)
1433	! take average over ocean points of input array to avoid cumulative error over time
1434	! The following must be bit reproducible over different PE decompositions
1435	zgreenland_icesheet_mass_in = glob_sum( greenland_icesheet_mass_array(:,:) * tmask(:,:,1) )
1436	zgreenland_icesheet_mass_in = zgreenland_icesheet_mass_in / zmask_sum
1437
1438	END IF
1439
1440	greenland_icesheet_timelapsed = greenland_icesheet_timelapsed + rdt
1441
1442	IF( ln_iceshelf_init_atmos .AND. kt == 1 ) THEN
1443	! On the first timestep (of an NRUN) force the ocean to ignore the icesheet masses in the ocean restart
1444	! and take them from the atmosphere to avoid problems with using inconsistent ocean and atmosphere restarts.
1445	zgreenland_icesheet_mass_b = zgreenland_icesheet_mass_in
1446	greenland_icesheet_mass = zgreenland_icesheet_mass_in
1447	ENDIF
1448
1449	IF( ABS( zgreenland_icesheet_mass_in - greenland_icesheet_mass ) > zepsilon ) THEN
1450	zgreenland_icesheet_mass_b = greenland_icesheet_mass
1451
1452	! Only update the mass if it has increased.
1453	IF ( (zgreenland_icesheet_mass_in - greenland_icesheet_mass) > 0.0 ) THEN
1454	greenland_icesheet_mass = zgreenland_icesheet_mass_in
1455	ENDIF
1456
1457	IF( zgreenland_icesheet_mass_b /= 0.0 ) &
1458	& greenland_icesheet_mass_rate_of_change = ( greenland_icesheet_mass - zgreenland_icesheet_mass_b ) / greenland_icesheet_timelapsed
1459	greenland_icesheet_timelapsed = 0.0_wp
1460	ENDIF
1461	IF(lwp) WRITE(numout,*) 'Greenland icesheet mass (kg) read in is ', zgreenland_icesheet_mass_in
1462	IF(lwp) WRITE(numout,*) 'Greenland icesheet mass (kg) used is ', greenland_icesheet_mass
1463	IF(lwp) WRITE(numout,*) 'Greenland icesheet mass rate of change (kg/s) is ', greenland_icesheet_mass_rate_of_change
1464	IF(lwp) WRITE(numout,*) 'Greenland icesheet seconds lapsed since last change is ', greenland_icesheet_timelapsed
1465	ELSE IF ( nn_coupled_iceshelf_fluxes == 2 ) THEN
1466	greenland_icesheet_mass_rate_of_change = rn_greenland_total_fw_flux
1467	ENDIF
1468
1469	! ! land ice masses : Antarctica
1470	IF( srcv(jpr_antm)%laction .AND. nn_coupled_iceshelf_fluxes == 1 ) THEN
1471
1472	IF( srcv(jpr_antm)%dimensions == 0 ) THEN
1473
1474	! This is a zero dimensional, single value field.
1475	zantarctica_icesheet_mass_in = frcv(jpr_antm)%z3(1,1,1)
1476
1477	ELSE
1478
1479	antarctica_icesheet_mass_array(:,:) = frcv(jpr_antm)%z3(:,:,1)
1480	! take average over ocean points of input array to avoid cumulative error from rounding errors over time
1481	! The following must be bit reproducible over different PE decompositions
1482	zantarctica_icesheet_mass_in = glob_sum( antarctica_icesheet_mass_array(:,:) * tmask(:,:,1) )
1483	zantarctica_icesheet_mass_in = zantarctica_icesheet_mass_in / zmask_sum
1484
1485	END IF
1486
1487	antarctica_icesheet_timelapsed = antarctica_icesheet_timelapsed + rdt
1488
1489	IF( ln_iceshelf_init_atmos .AND. kt == 1 ) THEN
1490	! On the first timestep (of an NRUN) force the ocean to ignore the icesheet masses in the ocean restart
1491	! and take them from the atmosphere to avoid problems with using inconsistent ocean and atmosphere restarts.
1492	zantarctica_icesheet_mass_b = zantarctica_icesheet_mass_in
1493	antarctica_icesheet_mass = zantarctica_icesheet_mass_in
1494	ENDIF
1495
1496	IF( ABS( zantarctica_icesheet_mass_in - antarctica_icesheet_mass ) > zepsilon ) THEN
1497	zantarctica_icesheet_mass_b = antarctica_icesheet_mass
1498
1499	! Only update the mass if it has increased.
1500	IF ( (zantarctica_icesheet_mass_in - antarctica_icesheet_mass) > 0.0 ) THEN
1501	antarctica_icesheet_mass = zantarctica_icesheet_mass_in
1502	END IF
1503
1504	IF( zantarctica_icesheet_mass_b /= 0.0 ) &
1505	& antarctica_icesheet_mass_rate_of_change = ( antarctica_icesheet_mass - zantarctica_icesheet_mass_b ) / antarctica_icesheet_timelapsed
1506	antarctica_icesheet_timelapsed = 0.0_wp
1507	ENDIF
1508	IF(lwp) WRITE(numout,*) 'Antarctica icesheet mass (kg) read in is ', zantarctica_icesheet_mass_in
1509	IF(lwp) WRITE(numout,*) 'Antarctica icesheet mass (kg) used is ', antarctica_icesheet_mass
1510	IF(lwp) WRITE(numout,*) 'Antarctica icesheet mass rate of change (kg/s) is ', antarctica_icesheet_mass_rate_of_change
1511	IF(lwp) WRITE(numout,*) 'Antarctica icesheet seconds lapsed since last change is ', antarctica_icesheet_timelapsed
1512	ELSE IF ( nn_coupled_iceshelf_fluxes == 2 ) THEN
1513	antarctica_icesheet_mass_rate_of_change = rn_antarctica_total_fw_flux
1514	ENDIF
1515
1516	!
1517	CALL wrk_dealloc( jpi,jpj, ztx, zty, zmsk, zemp, zqns, zqsr, ztx2, zty2 )
1518	!
1519	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_rcv')
1520	!
1521	END SUBROUTINE sbc_cpl_rcv
1522
1523
1524	SUBROUTINE sbc_cpl_ice_tau( p_taui, p_tauj )
1525	!!----------------------------------------------------------------------
1526	!! * ROUTINE sbc_cpl_ice_tau *
1527	!!
1528	!! ** Purpose : provide the stress over sea-ice in coupled mode
1529	!!
1530	!! ** Method : transform the received stress from the atmosphere into
1531	!! an atmosphere-ice stress in the (i,j) ocean referencial
1532	!! and at the velocity point of the sea-ice model (cp_ice_msh):
1533	!! 'C'-grid : i- (j-) components given at U- (V-) point
1534	!! 'I'-grid : B-grid lower-left corner: both components given at I-point
1535	!!
1536	!! The received stress are :
1537	!! - defined by 3 components (if cartesian coordinate)
1538	!! or by 2 components (if spherical)
1539	!! - oriented along geographical coordinate (if eastward-northward)
1540	!! or along the local grid coordinate (if local grid)
1541	!! - given at U- and V-point, resp. if received on 2 grids
1542	!! or at a same point (T or I) if received on 1 grid
1543	!! Therefore and if necessary, they are successively
1544	!! processed in order to obtain them
1545	!! first as 2 components on the sphere
1546	!! second as 2 components oriented along the local grid
1547	!! third as 2 components on the cp_ice_msh point
1548	!!
1549	!! Except in 'oce and ice' case, only one vector stress field
1550	!! is received. It has already been processed in sbc_cpl_rcv
1551	!! so that it is now defined as (i,j) components given at U-
1552	!! and V-points, respectively. Therefore, only the third
1553	!! transformation is done and only if the ice-grid is a 'I'-grid.
1554	!!
1555	!! ** Action : return ptau_i, ptau_j, the stress over the ice at cp_ice_msh point
1556	!!----------------------------------------------------------------------
1557	REAL(wp), INTENT(out), DIMENSION(:,:) :: p_taui ! i- & j-components of atmos-ice stress [N/m2]
1558	REAL(wp), INTENT(out), DIMENSION(:,:) :: p_tauj ! at I-point (B-grid) or U & V-point (C-grid)
1559	!!
1560	INTEGER :: ji, jj ! dummy loop indices
1561	INTEGER :: itx ! index of taux over ice
1562	REAL(wp), POINTER, DIMENSION(:,:) :: ztx, zty
1563	!!----------------------------------------------------------------------
1564	!
1565	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_ice_tau')
1566	!
1567	CALL wrk_alloc( jpi,jpj, ztx, zty )
1568
1569	IF( srcv(jpr_itx1)%laction ) THEN ; itx = jpr_itx1
1570	ELSE ; itx = jpr_otx1
1571	ENDIF
1572
1573	! do something only if we just received the stress from atmosphere
1574	IF( nrcvinfo(itx) == OASIS_Rcv ) THEN
1575
1576	! ! ======================= !
1577	IF( srcv(jpr_itx1)%laction ) THEN ! ice stress received !
1578	! ! ======================= !
1579	!
1580	IF( TRIM( sn_rcv_tau%clvref ) == 'cartesian' ) THEN ! 2 components on the sphere
1581	! ! (cartesian to spherical -> 3 to 2 components)
1582	CALL geo2oce( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), frcv(jpr_itz1)%z3(:,:,1), &
1583	& srcv(jpr_itx1)%clgrid, ztx, zty )
1584	frcv(jpr_itx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 1st grid
1585	frcv(jpr_ity1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 1st grid
1586	!
1587	IF( srcv(jpr_itx2)%laction ) THEN
1588	CALL geo2oce( frcv(jpr_itx2)%z3(:,:,1), frcv(jpr_ity2)%z3(:,:,1), frcv(jpr_itz2)%z3(:,:,1), &
1589	& srcv(jpr_itx2)%clgrid, ztx, zty )
1590	frcv(jpr_itx2)%z3(:,:,1) = ztx(:,:) ! overwrite 1st comp. on the 2nd grid
1591	frcv(jpr_ity2)%z3(:,:,1) = zty(:,:) ! overwrite 2nd comp. on the 2nd grid
1592	ENDIF
1593	!
1594	ENDIF
1595	!
1596	IF( TRIM( sn_rcv_tau%clvor ) == 'eastward-northward' ) THEN ! 2 components oriented along the local grid
1597	! ! (geographical to local grid -> rotate the components)
1598	CALL rot_rep( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), srcv(jpr_itx1)%clgrid, 'en->i', ztx )
1599	IF( srcv(jpr_itx2)%laction ) THEN
1600	CALL rot_rep( frcv(jpr_itx2)%z3(:,:,1), frcv(jpr_ity2)%z3(:,:,1), srcv(jpr_itx2)%clgrid, 'en->j', zty )
1601	ELSE
1602	CALL rot_rep( frcv(jpr_itx1)%z3(:,:,1), frcv(jpr_ity1)%z3(:,:,1), srcv(jpr_itx1)%clgrid, 'en->j', zty )
1603	ENDIF
1604	frcv(jpr_itx1)%z3(:,:,1) = ztx(:,:) ! overwrite 1st component on the 1st grid
1605	frcv(jpr_ity1)%z3(:,:,1) = zty(:,:) ! overwrite 2nd component on the 1st grid
1606	ENDIF
1607	! ! ======================= !
1608	ELSE ! use ocean stress !
1609	! ! ======================= !
1610	frcv(jpr_itx1)%z3(:,:,1) = frcv(jpr_otx1)%z3(:,:,1)
1611	frcv(jpr_ity1)%z3(:,:,1) = frcv(jpr_oty1)%z3(:,:,1)
1612	!
1613	ENDIF
1614	! ! ======================= !
1615	! ! put on ice grid !
1616	! ! ======================= !
1617	!
1618	! j+1 j -----V---F
1619	! ice stress on ice velocity point (cp_ice_msh) ! \|
1620	! (C-grid ==>(U,V) or B-grid ==> I or F) j \| T U
1621	! \| \|
1622	! j j-1 -I-------\|
1623	! (for I) \| \|
1624	! i-1 i i
1625	! i i+1 (for I)
1626	SELECT CASE ( cp_ice_msh )
1627	!
1628	CASE( 'I' ) ! B-grid ==> I
1629	SELECT CASE ( srcv(jpr_itx1)%clgrid )
1630	CASE( 'U' )
1631	DO jj = 2, jpjm1 ! (U,V) ==> I
1632	DO ji = 2, jpim1 ! NO vector opt.
1633	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji-1,jj ,1) + frcv(jpr_itx1)%z3(ji-1,jj-1,1) )
1634	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji ,jj-1,1) + frcv(jpr_ity1)%z3(ji-1,jj-1,1) )
1635	END DO
1636	END DO
1637	CASE( 'F' )
1638	DO jj = 2, jpjm1 ! F ==> I
1639	DO ji = 2, jpim1 ! NO vector opt.
1640	p_taui(ji,jj) = frcv(jpr_itx1)%z3(ji-1,jj-1,1)
1641	p_tauj(ji,jj) = frcv(jpr_ity1)%z3(ji-1,jj-1,1)
1642	END DO
1643	END DO
1644	CASE( 'T' )
1645	DO jj = 2, jpjm1 ! T ==> I
1646	DO ji = 2, jpim1 ! NO vector opt.
1647	p_taui(ji,jj) = 0.25 * ( frcv(jpr_itx1)%z3(ji,jj ,1) + frcv(jpr_itx1)%z3(ji-1,jj ,1) &
1648	& + frcv(jpr_itx1)%z3(ji,jj-1,1) + frcv(jpr_itx1)%z3(ji-1,jj-1,1) )
1649	p_tauj(ji,jj) = 0.25 * ( frcv(jpr_ity1)%z3(ji,jj ,1) + frcv(jpr_ity1)%z3(ji-1,jj ,1) &
1650	& + frcv(jpr_oty1)%z3(ji,jj-1,1) + frcv(jpr_ity1)%z3(ji-1,jj-1,1) )
1651	END DO
1652	END DO
1653	CASE( 'I' )
1654	p_taui(:,:) = frcv(jpr_itx1)%z3(:,:,1) ! I ==> I
1655	p_tauj(:,:) = frcv(jpr_ity1)%z3(:,:,1)
1656	END SELECT
1657	IF( srcv(jpr_itx1)%clgrid /= 'I' ) THEN
1658	CALL lbc_lnk( p_taui, 'I', -1. ) ; CALL lbc_lnk( p_tauj, 'I', -1. )
1659	ENDIF
1660	!
1661	CASE( 'F' ) ! B-grid ==> F
1662	SELECT CASE ( srcv(jpr_itx1)%clgrid )
1663	CASE( 'U' )
1664	DO jj = 2, jpjm1 ! (U,V) ==> F
1665	DO ji = fs_2, fs_jpim1 ! vector opt.
1666	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji,jj,1) + frcv(jpr_itx1)%z3(ji ,jj+1,1) )
1667	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji,jj,1) + frcv(jpr_ity1)%z3(ji+1,jj ,1) )
1668	END DO
1669	END DO
1670	CASE( 'I' )
1671	DO jj = 2, jpjm1 ! I ==> F
1672	DO ji = 2, jpim1 ! NO vector opt.
1673	p_taui(ji,jj) = frcv(jpr_itx1)%z3(ji+1,jj+1,1)
1674	p_tauj(ji,jj) = frcv(jpr_ity1)%z3(ji+1,jj+1,1)
1675	END DO
1676	END DO
1677	CASE( 'T' )
1678	DO jj = 2, jpjm1 ! T ==> F
1679	DO ji = 2, jpim1 ! NO vector opt.
1680	p_taui(ji,jj) = 0.25 * ( frcv(jpr_itx1)%z3(ji,jj ,1) + frcv(jpr_itx1)%z3(ji+1,jj ,1) &
1681	& + frcv(jpr_itx1)%z3(ji,jj+1,1) + frcv(jpr_itx1)%z3(ji+1,jj+1,1) )
1682	p_tauj(ji,jj) = 0.25 * ( frcv(jpr_ity1)%z3(ji,jj ,1) + frcv(jpr_ity1)%z3(ji+1,jj ,1) &
1683	& + frcv(jpr_ity1)%z3(ji,jj+1,1) + frcv(jpr_ity1)%z3(ji+1,jj+1,1) )
1684	END DO
1685	END DO
1686	CASE( 'F' )
1687	p_taui(:,:) = frcv(jpr_itx1)%z3(:,:,1) ! F ==> F
1688	p_tauj(:,:) = frcv(jpr_ity1)%z3(:,:,1)
1689	END SELECT
1690	IF( srcv(jpr_itx1)%clgrid /= 'F' ) THEN
1691	CALL lbc_lnk( p_taui, 'F', -1. ) ; CALL lbc_lnk( p_tauj, 'F', -1. )
1692	ENDIF
1693	!
1694	CASE( 'C' ) ! C-grid ==> U,V
1695	SELECT CASE ( srcv(jpr_itx1)%clgrid )
1696	CASE( 'U' )
1697	p_taui(:,:) = frcv(jpr_itx1)%z3(:,:,1) ! (U,V) ==> (U,V)
1698	p_tauj(:,:) = frcv(jpr_ity1)%z3(:,:,1)
1699	CASE( 'F' )
1700	DO jj = 2, jpjm1 ! F ==> (U,V)
1701	DO ji = fs_2, fs_jpim1 ! vector opt.
1702	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji,jj,1) + frcv(jpr_itx1)%z3(ji ,jj-1,1) )
1703	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(jj,jj,1) + frcv(jpr_ity1)%z3(ji-1,jj ,1) )
1704	END DO
1705	END DO
1706	CASE( 'T' )
1707	DO jj = 2, jpjm1 ! T ==> (U,V)
1708	DO ji = fs_2, fs_jpim1 ! vector opt.
1709	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji+1,jj ,1) + frcv(jpr_itx1)%z3(ji,jj,1) )
1710	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji ,jj+1,1) + frcv(jpr_ity1)%z3(ji,jj,1) )
1711	END DO
1712	END DO
1713	CASE( 'I' )
1714	DO jj = 2, jpjm1 ! I ==> (U,V)
1715	DO ji = 2, jpim1 ! NO vector opt.
1716	p_taui(ji,jj) = 0.5 * ( frcv(jpr_itx1)%z3(ji+1,jj+1,1) + frcv(jpr_itx1)%z3(ji+1,jj ,1) )
1717	p_tauj(ji,jj) = 0.5 * ( frcv(jpr_ity1)%z3(ji+1,jj+1,1) + frcv(jpr_ity1)%z3(ji ,jj+1,1) )
1718	END DO
1719	END DO
1720	END SELECT
1721	IF( srcv(jpr_itx1)%clgrid /= 'U' ) THEN
1722	CALL lbc_lnk( p_taui, 'U', -1. ) ; CALL lbc_lnk( p_tauj, 'V', -1. )
1723	ENDIF
1724	END SELECT
1725
1726	ENDIF
1727	!
1728	CALL wrk_dealloc( jpi,jpj, ztx, zty )
1729	!
1730	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_ice_tau')
1731	!
1732	END SUBROUTINE sbc_cpl_ice_tau
1733
1734
1735	SUBROUTINE sbc_cpl_ice_flx( p_frld, palbi, psst, pist )
1736	!!----------------------------------------------------------------------
1737	!! * ROUTINE sbc_cpl_ice_flx *
1738	!!
1739	!! ** Purpose : provide the heat and freshwater fluxes of the ocean-ice system
1740	!!
1741	!! ** Method : transform the fields received from the atmosphere into
1742	!! surface heat and fresh water boundary condition for the
1743	!! ice-ocean system. The following fields are provided:
1744	!! * total non solar, solar and freshwater fluxes (qns_tot,
1745	!! qsr_tot and emp_tot) (total means weighted ice-ocean flux)
1746	!! NB: emp_tot include runoffs and calving.
1747	!! * fluxes over ice (qns_ice, qsr_ice, emp_ice) where
1748	!! emp_ice = sublimation - solid precipitation as liquid
1749	!! precipitation are re-routed directly to the ocean and
1750	!! calving directly enter the ocean (runoffs are read but included in trasbc.F90)
1751	!! * solid precipitation (sprecip), used to add to qns_tot
1752	!! the heat lost associated to melting solid precipitation
1753	!! over the ocean fraction.
1754	!! * heat content of rain, snow and evap can also be provided,
1755	!! otherwise heat flux associated with these mass flux are
1756	!! guessed (qemp_oce, qemp_ice)
1757	!!
1758	!! - the fluxes have been separated from the stress as
1759	!! (a) they are updated at each ice time step compare to
1760	!! an update at each coupled time step for the stress, and
1761	!! (b) the conservative computation of the fluxes over the
1762	!! sea-ice area requires the knowledge of the ice fraction
1763	!! after the ice advection and before the ice thermodynamics,
1764	!! so that the stress is updated before the ice dynamics
1765	!! while the fluxes are updated after it.
1766	!!
1767	!! ** Details
1768	!! qns_tot = pfrld * qns_oce + ( 1 - pfrld ) * qns_ice => provided
1769	!! + qemp_oce + qemp_ice => recalculated and added up to qns
1770	!!
1771	!! qsr_tot = pfrld * qsr_oce + ( 1 - pfrld ) * qsr_ice => provided
1772	!!
1773	!! emp_tot = emp_oce + emp_ice => calving is provided and added to emp_tot (and emp_oce)
1774	!! river runoff (rnf) is provided but not included here
1775	!!
1776	!! ** Action : update at each nf_ice time step:
1777	!! qns_tot, qsr_tot non-solar and solar total heat fluxes
1778	!! qns_ice, qsr_ice non-solar and solar heat fluxes over the ice
1779	!! emp_tot total evaporation - precipitation(liquid and solid) (-calving)
1780	!! emp_ice ice sublimation - solid precipitation over the ice
1781	!! dqns_ice d(non-solar heat flux)/d(Temperature) over the ice
1782	!! sprecip solid precipitation over the ocean
1783	!!----------------------------------------------------------------------
1784	REAL(wp), INTENT(in ), DIMENSION(:,:) :: p_frld ! lead fraction [0 to 1]
1785	! optional arguments, used only in 'mixed oce-ice' case
1786	REAL(wp), INTENT(in ), DIMENSION(:,:,:), OPTIONAL :: palbi ! all skies ice albedo
1787	REAL(wp), INTENT(in ), DIMENSION(:,: ), OPTIONAL :: psst ! sea surface temperature [Celsius]
1788	REAL(wp), INTENT(in ), DIMENSION(:,:,:), OPTIONAL :: pist ! ice surface temperature [Kelvin]
1789	!
1790	INTEGER :: jl ! dummy loop index
1791	REAL(wp), POINTER, DIMENSION(:,: ) :: zcptn, ztmp, zicefr, zmsk, zsnw
1792	REAL(wp), POINTER, DIMENSION(:,: ) :: zemp_tot, zemp_ice, zemp_oce, ztprecip, zsprecip, zevap_oce, zevap_ice, zdevap_ice
1793	REAL(wp), POINTER, DIMENSION(:,: ) :: zqns_tot, zqns_oce, zqsr_tot, zqsr_oce, zqprec_ice, zqemp_oce, zqemp_ice
1794	REAL(wp), POINTER, DIMENSION(:,:,:) :: zqns_ice, zqsr_ice, zdqns_ice, zqevap_ice
1795	!!----------------------------------------------------------------------
1796	!
1797	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_ice_flx')
1798	!
1799	CALL wrk_alloc( jpi,jpj, zcptn, ztmp, zicefr, zmsk, zsnw )
1800	CALL wrk_alloc( jpi,jpj, zemp_tot, zemp_ice, zemp_oce, ztprecip, zsprecip, zevap_oce, zevap_ice, zdevap_ice )
1801	CALL wrk_alloc( jpi,jpj, zqns_tot, zqns_oce, zqsr_tot, zqsr_oce, zqprec_ice, zqemp_oce, zqemp_ice )
1802	CALL wrk_alloc( jpi,jpj,jpl, zqns_ice, zqsr_ice, zdqns_ice, zqevap_ice )
1803
1804	IF( ln_mixcpl ) zmsk(:,:) = 1. - xcplmask(:,:,0)
1805	zicefr(:,:) = 1.- p_frld(:,:)
1806	zcptn(:,:) = rcp * sst_m(:,:)
1807	!
1808	! ! ========================= !
1809	! ! freshwater budget ! (emp_tot)
1810	! ! ========================= !
1811	!
1812	! ! solid Precipitation (sprecip)
1813	! ! liquid + solid Precipitation (tprecip)
1814	! ! total Evaporation - total Precipitation (emp_tot)
1815	! ! sublimation - solid precipitation (cell average) (emp_ice)
1816	SELECT CASE( TRIM( sn_rcv_emp%cldes ) )
1817	CASE( 'conservative' ) ! received fields: jpr_rain, jpr_snow, jpr_ievp, jpr_tevp
1818	zsprecip(:,:) = frcv(jpr_snow)%z3(:,:,1) ! May need to ensure positive here
1819	ztprecip(:,:) = frcv(jpr_rain)%z3(:,:,1) + zsprecip(:,:) ! May need to ensure positive here
1820	zemp_tot(:,:) = frcv(jpr_tevp)%z3(:,:,1) - ztprecip(:,:)
1821	#if defined key_cice
1822	IF ( TRIM(sn_rcv_emp%clcat) == 'yes' ) THEN
1823	! zemp_ice is the sum of frcv(jpr_ievp)%z3(:,:,1) over all layers - snow
1824	zemp_ice(:,:) = - frcv(jpr_snow)%z3(:,:,1)
1825	DO jl=1,jpl
1826	zemp_ice(:,: ) = zemp_ice(:,:) + frcv(jpr_ievp)%z3(:,:,jl)
1827	ENDDO
1828	! latent heat coupled for each category in CICE
1829	qla_ice(:,:,1:jpl) = - frcv(jpr_ievp)%z3(:,:,1:jpl) * lsub
1830	ELSE
1831	! If CICE has multicategories it still expects coupling fields for
1832	! each even if we treat as a single field
1833	! The latent heat flux is split between the ice categories according
1834	! to the fraction of the ice in each category
1835	zemp_ice(:,:) = frcv(jpr_ievp)%z3(:,:,1) - frcv(jpr_snow)%z3(:,:,1)
1836	WHERE ( zicefr(:,:) /= 0._wp )
1837	ztmp(:,:) = 1./zicefr(:,:)
1838	ELSEWHERE
1839	ztmp(:,:) = 0.e0
1840	END WHERE
1841	DO jl=1,jpl
1842	qla_ice(:,:,jl) = - a_i(:,:,jl) * ztmp(:,:) * frcv(jpr_ievp)%z3(:,:,1) * lsub
1843	END DO
1844	WHERE ( zicefr(:,:) == 0._wp ) qla_ice(:,:,1) = -frcv(jpr_ievp)%z3(:,:,1) * lsub
1845	ENDIF
1846	#else
1847	zemp_ice(:,:) = ( frcv(jpr_ievp)%z3(:,:,1) - frcv(jpr_snow)%z3(:,:,1) ) * zicefr(:,:)
1848	#endif
1849	CALL iom_put( 'rain' , frcv(jpr_rain)%z3(:,:,1) * tmask(:,:,1) ) ! liquid precipitation
1850	CALL iom_put( 'rain_ao_cea' , frcv(jpr_rain)%z3(:,:,1)* p_frld(:,:) * tmask(:,:,1) ) ! liquid precipitation
1851	IF( iom_use('hflx_rain_cea') ) &
1852	& CALL iom_put( 'hflx_rain_cea', frcv(jpr_rain)%z3(:,:,1) * zcptn(:,:) * tmask(:,:,1)) ! heat flux from liq. precip.
1853	IF( iom_use('hflx_prec_cea') ) &
1854	& CALL iom_put( 'hflx_prec_cea', ztprecip * zcptn(:,:) * tmask(:,:,1) * p_frld(:,:) ) ! heat content flux from all precip (cell avg)
1855	IF( iom_use('evap_ao_cea') .OR. iom_use('hflx_evap_cea') ) &
1856	& ztmp(:,:) = frcv(jpr_tevp)%z3(:,:,1) - frcv(jpr_ievp)%z3(:,:,1) * zicefr(:,:)
1857	IF( iom_use('evap_ao_cea' ) ) &
1858	& CALL iom_put( 'evap_ao_cea' , ztmp * tmask(:,:,1) ) ! ice-free oce evap (cell average)
1859	IF( iom_use('hflx_evap_cea') ) &
1860	& CALL iom_put( 'hflx_evap_cea', ztmp(:,:) * zcptn(:,:) * tmask(:,:,1) ) ! heat flux from from evap (cell average)
1861	CASE( 'oce and ice' ) ! received fields: jpr_sbpr, jpr_semp, jpr_oemp, jpr_ievp
1862	zemp_tot(:,:) = p_frld(:,:) * frcv(jpr_oemp)%z3(:,:,1) + zicefr(:,:) * frcv(jpr_sbpr)%z3(:,:,1)
1863	zemp_ice(:,:) = frcv(jpr_semp)%z3(:,:,1) * zicefr(:,:)
1864	zsprecip(:,:) = frcv(jpr_ievp)%z3(:,:,1) - frcv(jpr_semp)%z3(:,:,1)
1865	ztprecip(:,:) = frcv(jpr_semp)%z3(:,:,1) - frcv(jpr_sbpr)%z3(:,:,1) + zsprecip(:,:)
1866	END SELECT
1867
1868	#if defined key_lim3
1869	! zsnw = snow fraction over ice after wind blowing
1870	zsnw(:,:) = 0._wp ; CALL lim_thd_snwblow( p_frld, zsnw )
1871
1872	! --- evaporation minus precipitation corrected (because of wind blowing on snow) --- !
1873	zemp_ice(:,:) = zemp_ice(:,:) + zsprecip(:,:) * ( zicefr(:,:) - zsnw(:,:) ) ! emp_ice = A * sublimation - zsnw * sprecip
1874	zemp_oce(:,:) = zemp_tot(:,:) - zemp_ice(:,:) ! emp_oce = emp_tot - emp_ice
1875
1876	! --- evaporation over ocean (used later for qemp) --- !
1877	zevap_oce(:,:) = frcv(jpr_tevp)%z3(:,:,1) - frcv(jpr_ievp)%z3(:,:,1) * zicefr(:,:)
1878
1879	! --- evaporation over ice (kg/m2/s) --- !
1880	zevap_ice(:,:) = frcv(jpr_ievp)%z3(:,:,1)
1881	! since the sensitivity of evap to temperature (devap/dT) is not prescribed by the atmosphere, we set it to 0
1882	! therefore, sublimation is not redistributed over the ice categories in case no subgrid scale fluxes are provided by atm.
1883	zdevap_ice(:,:) = 0._wp
1884
1885	! --- runoffs (included in emp later on) --- !
1886	IF( srcv(jpr_rnf)%laction ) rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1887	IF( srcv(jpr_rnf_1d)%laction ) CALL cpl_rnf_1d_to_2d(frcv(jpr_rnf_1d)%z3(:,:,:))
1888
1889	! --- calving (put in emp_tot and emp_oce) --- !
1890	IF( srcv(jpr_cal)%laction ) THEN
1891	zemp_tot(:,:) = zemp_tot(:,:) - frcv(jpr_cal)%z3(:,:,1)
1892	zemp_oce(:,:) = zemp_oce(:,:) - frcv(jpr_cal)%z3(:,:,1)
1893	CALL iom_put( 'calving_cea', frcv(jpr_cal)%z3(:,:,1) )
1894	ENDIF
1895
1896	IF( ln_mixcpl ) THEN
1897	emp_tot(:,:) = emp_tot(:,:) * xcplmask(:,:,0) + zemp_tot(:,:) * zmsk(:,:)
1898	emp_ice(:,:) = emp_ice(:,:) * xcplmask(:,:,0) + zemp_ice(:,:) * zmsk(:,:)
1899	emp_oce(:,:) = emp_oce(:,:) * xcplmask(:,:,0) + zemp_oce(:,:) * zmsk(:,:)
1900	sprecip(:,:) = sprecip(:,:) * xcplmask(:,:,0) + zsprecip(:,:) * zmsk(:,:)
1901	tprecip(:,:) = tprecip(:,:) * xcplmask(:,:,0) + ztprecip(:,:) * zmsk(:,:)
1902	DO jl=1,jpl
1903	evap_ice (:,:,jl) = evap_ice (:,:,jl) * xcplmask(:,:,0) + zevap_ice (:,:) * zmsk(:,:)
1904	devap_ice(:,:,jl) = devap_ice(:,:,jl) * xcplmask(:,:,0) + zdevap_ice(:,:) * zmsk(:,:)
1905	ENDDO
1906	ELSE
1907	emp_tot(:,:) = zemp_tot(:,:)
1908	emp_ice(:,:) = zemp_ice(:,:)
1909	emp_oce(:,:) = zemp_oce(:,:)
1910	sprecip(:,:) = zsprecip(:,:)
1911	tprecip(:,:) = ztprecip(:,:)
1912	DO jl=1,jpl
1913	evap_ice (:,:,jl) = zevap_ice (:,:)
1914	devap_ice(:,:,jl) = zdevap_ice(:,:)
1915	ENDDO
1916	ENDIF
1917
1918	IF( iom_use('subl_ai_cea') ) CALL iom_put( 'subl_ai_cea', zevap_ice(:,:) * zicefr(:,:) ) ! Sublimation over sea-ice (cell average)
1919	CALL iom_put( 'snowpre' , sprecip(:,:) ) ! Snow
1920	IF( iom_use('snow_ao_cea') ) CALL iom_put( 'snow_ao_cea', sprecip(:,:) * ( 1._wp - zsnw(:,:) ) ) ! Snow over ice-free ocean (cell average)
1921	IF( iom_use('snow_ai_cea') ) CALL iom_put( 'snow_ai_cea', sprecip(:,:) * zsnw(:,:) ) ! Snow over sea-ice (cell average)
1922	#else
1923	! runoffs and calving (put in emp_tot)
1924	IF( srcv(jpr_rnf)%laction ) rnf(:,:) = frcv(jpr_rnf)%z3(:,:,1)
1925	IF( srcv(jpr_rnf_1d)%laction ) CALL cpl_rnf_1d_to_2d(frcv(jpr_rnf_1d)%z3(:,:,:))
1926	IF( iom_use('hflx_rnf_cea') ) &
1927	CALL iom_put( 'hflx_rnf_cea' , rnf(:,:) * zcptn(:,:) )
1928	IF( srcv(jpr_cal)%laction ) THEN
1929	zemp_tot(:,:) = zemp_tot(:,:) - frcv(jpr_cal)%z3(:,:,1)
1930	CALL iom_put( 'calving_cea', frcv(jpr_cal)%z3(:,:,1) )
1931	ENDIF
1932
1933	IF( ln_mixcpl ) THEN
1934	emp_tot(:,:) = emp_tot(:,:) * xcplmask(:,:,0) + zemp_tot(:,:) * zmsk(:,:)
1935	emp_ice(:,:) = emp_ice(:,:) * xcplmask(:,:,0) + zemp_ice(:,:) * zmsk(:,:)
1936	sprecip(:,:) = sprecip(:,:) * xcplmask(:,:,0) + zsprecip(:,:) * zmsk(:,:)
1937	tprecip(:,:) = tprecip(:,:) * xcplmask(:,:,0) + ztprecip(:,:) * zmsk(:,:)
1938	ELSE
1939	emp_tot(:,:) = zemp_tot(:,:)
1940	emp_ice(:,:) = zemp_ice(:,:)
1941	sprecip(:,:) = zsprecip(:,:)
1942	tprecip(:,:) = ztprecip(:,:)
1943	ENDIF
1944
1945	IF( iom_use('subl_ai_cea') ) CALL iom_put( 'subl_ai_cea', frcv(jpr_ievp)%z3(:,:,1) * zicefr(:,:) ) ! Sublimation over sea-ice (cell average)
1946	CALL iom_put( 'snowpre' , sprecip(:,:) ) ! Snow
1947	IF( iom_use('snow_ao_cea') ) CALL iom_put( 'snow_ao_cea', sprecip(:,:) * p_frld(:,:) ) ! Snow over ice-free ocean (cell average)
1948	IF( iom_use('snow_ai_cea') ) CALL iom_put( 'snow_ai_cea', sprecip(:,:) * zicefr(:,:) ) ! Snow over sea-ice (cell average)
1949	#endif
1950
1951	! ! ========================= !
1952	SELECT CASE( TRIM( sn_rcv_qns%cldes ) ) ! non solar heat fluxes ! (qns)
1953	! ! ========================= !
1954	CASE( 'oce only' ) ! the required field is directly provided
1955	zqns_tot(:,:) = frcv(jpr_qnsoce)%z3(:,:,1)
1956	CASE( 'conservative' ) ! the required fields are directly provided
1957	zqns_tot(:,:) = frcv(jpr_qnsmix)%z3(:,:,1)
1958	IF ( TRIM(sn_rcv_qns%clcat) == 'yes' ) THEN
1959	zqns_ice(:,:,1:jpl) = frcv(jpr_qnsice)%z3(:,:,1:jpl)
1960	ELSE
1961	DO jl=1,jpl
1962	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,1) ! Set all category values equal
1963	ENDDO
1964	ENDIF
1965	CASE( 'oce and ice' ) ! the total flux is computed from ocean and ice fluxes
1966	zqns_tot(:,:) = p_frld(:,:) * frcv(jpr_qnsoce)%z3(:,:,1)
1967	IF ( TRIM(sn_rcv_qns%clcat) == 'yes' ) THEN
1968	DO jl=1,jpl
1969	zqns_tot(:,: ) = zqns_tot(:,:) + a_i(:,:,jl) * frcv(jpr_qnsice)%z3(:,:,jl)
1970	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,jl)
1971	ENDDO
1972	ELSE
1973	qns_tot(:,:) = qns_tot(:,:) + zicefr(:,:) * frcv(jpr_qnsice)%z3(:,:,1)
1974	DO jl=1,jpl
1975	zqns_tot(:,: ) = zqns_tot(:,:) + zicefr(:,:) * frcv(jpr_qnsice)%z3(:,:,1)
1976	zqns_ice(:,:,jl) = frcv(jpr_qnsice)%z3(:,:,1)
1977	ENDDO
1978	ENDIF
1979	CASE( 'mixed oce-ice' ) ! the ice flux is cumputed from the total flux, the SST and ice informations
1980	! NEED TO SORT OUT HOW THIS SHOULD WORK IN THE MULTI-CATEGORY CASE - CURRENTLY NOT ALLOWED WHEN INTERFACE INITIALISED
1981	zqns_tot(:,: ) = frcv(jpr_qnsmix)%z3(:,:,1)
1982	zqns_ice(:,:,1) = frcv(jpr_qnsmix)%z3(:,:,1) &
1983	& + frcv(jpr_dqnsdt)%z3(:,:,1) * ( pist(:,:,1) - ( (rt0 + psst(:,: ) ) * p_frld(:,:) &
1984	& + pist(:,:,1) * zicefr(:,:) ) )
1985	END SELECT
1986	!!gm
1987	!! currently it is taken into account in leads budget but not in the zqns_tot, and thus not in
1988	!! the flux that enter the ocean....
1989	!! moreover 1 - it is not diagnose anywhere....
1990	!! 2 - it is unclear for me whether this heat lost is taken into account in the atmosphere or not...
1991	!!
1992	!! similar job should be done for snow and precipitation temperature
1993	!
1994	IF( srcv(jpr_cal)%laction ) THEN ! Iceberg melting
1995	zqns_tot(:,:) = zqns_tot(:,:) - frcv(jpr_cal)%z3(:,:,1) * lfus ! add the latent heat of iceberg melting
1996	! we suppose it melts at 0deg, though it should be temp. of surrounding ocean
1997	IF( iom_use('hflx_cal_cea') ) CALL iom_put( 'hflx_cal_cea', - frcv(jpr_cal)%z3(:,:,1) * lfus ) ! heat flux from calving
1998	ENDIF
1999
2000	#if defined key_lim3
2001	! --- non solar flux over ocean --- !
2002	! note: p_frld cannot be = 0 since we limit the ice concentration to amax
2003	zqns_oce = 0._wp
2004	WHERE( p_frld /= 0._wp ) zqns_oce(:,:) = ( zqns_tot(:,:) - SUM( a_i * zqns_ice, dim=3 ) ) / p_frld(:,:)
2005
2006	! --- heat flux associated with emp (W/m2) --- !
2007	zqemp_oce(:,:) = - zevap_oce(:,:) * zcptn(:,:) & ! evap
2008	& + ( ztprecip(:,:) - zsprecip(:,:) ) * zcptn(:,:) & ! liquid precip
2009	& + zsprecip(:,:) * ( 1._wp - zsnw ) * ( zcptn(:,:) - lfus ) ! solid precip over ocean + snow melting
2010	! zqemp_ice(:,:) = - frcv(jpr_ievp)%z3(:,:,1) * zicefr(:,:) * zcptn(:,:) & ! ice evap
2011	! & + zsprecip(:,:) * zsnw * ( zcptn(:,:) - lfus ) ! solid precip over ice
2012	zqemp_ice(:,:) = zsprecip(:,:) * zsnw * ( zcptn(:,:) - lfus ) ! solid precip over ice (only)
2013	! qevap_ice=0 since we consider Tice=0degC
2014
2015	! --- enthalpy of snow precip over ice in J/m3 (to be used in 1D-thermo) --- !
2016	zqprec_ice(:,:) = rhosn * ( zcptn(:,:) - lfus )
2017
2018	! --- heat content of evap over ice in W/m2 (to be used in 1D-thermo) --- !
2019	DO jl = 1, jpl
2020	zqevap_ice(:,:,jl) = 0._wp ! should be -evap * ( ( Tice - rt0 ) * cpic ) but we do not have Tice, so we consider Tice=0degC
2021	END DO
2022
2023	! --- total non solar flux (including evap/precip) --- !
2024	zqns_tot(:,:) = zqns_tot(:,:) + zqemp_ice(:,:) + zqemp_oce(:,:)
2025
2026	! --- in case both coupled/forced are active, we must mix values --- !
2027	IF( ln_mixcpl ) THEN
2028	qns_tot(:,:) = qns_tot(:,:) * xcplmask(:,:,0) + zqns_tot(:,:)* zmsk(:,:)
2029	qns_oce(:,:) = qns_oce(:,:) * xcplmask(:,:,0) + zqns_oce(:,:)* zmsk(:,:)
2030	DO jl=1,jpl
2031	qns_ice (:,:,jl) = qns_ice (:,:,jl) * xcplmask(:,:,0) + zqns_ice (:,:,jl)* zmsk(:,:)
2032	qevap_ice(:,:,jl) = qevap_ice(:,:,jl) * xcplmask(:,:,0) + zqevap_ice(:,:,jl)* zmsk(:,:)
2033	ENDDO
2034	qprec_ice(:,:) = qprec_ice(:,:) * xcplmask(:,:,0) + zqprec_ice(:,:)* zmsk(:,:)
2035	qemp_oce (:,:) = qemp_oce(:,:) * xcplmask(:,:,0) + zqemp_oce(:,:)* zmsk(:,:)
2036	qemp_ice (:,:) = qemp_ice(:,:) * xcplmask(:,:,0) + zqemp_ice(:,:)* zmsk(:,:)
2037	ELSE
2038	qns_tot (:,: ) = zqns_tot (:,: )
2039	qns_oce (:,: ) = zqns_oce (:,: )
2040	qns_ice (:,:,:) = zqns_ice (:,:,:)
2041	qevap_ice(:,:,:) = zqevap_ice(:,:,:)
2042	qprec_ice(:,: ) = zqprec_ice(:,: )
2043	qemp_oce (:,: ) = zqemp_oce (:,: )
2044	qemp_ice (:,: ) = zqemp_ice (:,: )
2045	ENDIF
2046
2047	!! clem: we should output qemp_oce and qemp_ice (at least)
2048	IF( iom_use('hflx_snow_cea') ) CALL iom_put( 'hflx_snow_cea', sprecip(:,:) * ( zcptn(:,:) - Lfus ) ) ! heat flux from snow (cell average)
2049	!! these diags are not outputed yet
2050	!! IF( iom_use('hflx_rain_cea') ) CALL iom_put( 'hflx_rain_cea', ( tprecip(:,:) - sprecip(:,:) ) * zcptn(:,:) ) ! heat flux from rain (cell average)
2051	!! 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)
2052	!! IF( iom_use('hflx_snow_ai_cea') ) CALL iom_put( 'hflx_snow_ai_cea', sprecip(:,:) * ( zcptn(:,:) - Lfus ) * zsnw(:,:) ) ! heat flux from snow (cell average)
2053
2054	#else
2055	! clem: this formulation is certainly wrong... but better than it was...
2056
2057	zqns_tot(:,:) = zqns_tot(:,:) & ! zqns_tot update over free ocean with:
2058	& - (p_frld(:,:) * zsprecip(:,:) * lfus) & ! remove the latent heat flux of solid precip. melting
2059	& - ( zemp_tot(:,:) & ! remove the heat content of mass flux (assumed to be at SST)
2060	& - zemp_ice(:,:) ) * zcptn(:,:)
2061
2062	IF( ln_mixcpl ) THEN
2063	qns_tot(:,:) = qns(:,:) * p_frld(:,:) + SUM( qns_ice(:,:,:) * a_i(:,:,:), dim=3 ) ! total flux from blk
2064	qns_tot(:,:) = qns_tot(:,:) * xcplmask(:,:,0) + zqns_tot(:,:)* zmsk(:,:)
2065	DO jl=1,jpl
2066	qns_ice(:,:,jl) = qns_ice(:,:,jl) * xcplmask(:,:,0) + zqns_ice(:,:,jl)* zmsk(:,:)
2067	ENDDO
2068	ELSE
2069	qns_tot(:,: ) = zqns_tot(:,: )
2070	qns_ice(:,:,:) = zqns_ice(:,:,:)
2071	ENDIF
2072	#endif
2073
2074	! ! ========================= !
2075	SELECT CASE( TRIM( sn_rcv_qsr%cldes ) ) ! solar heat fluxes ! (qsr)
2076	! ! ========================= !
2077	CASE( 'oce only' )
2078	zqsr_tot(:,: ) = MAX( 0._wp , frcv(jpr_qsroce)%z3(:,:,1) )
2079	CASE( 'conservative' )
2080	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
2081	IF ( TRIM(sn_rcv_qsr%clcat) == 'yes' ) THEN
2082	zqsr_ice(:,:,1:jpl) = frcv(jpr_qsrice)%z3(:,:,1:jpl)
2083	ELSE
2084	! Set all category values equal for the moment
2085	DO jl=1,jpl
2086	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,1)
2087	ENDDO
2088	ENDIF
2089	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
2090	zqsr_ice(:,:,1) = frcv(jpr_qsrice)%z3(:,:,1)
2091	CASE( 'oce and ice' )
2092	zqsr_tot(:,: ) = p_frld(:,:) * frcv(jpr_qsroce)%z3(:,:,1)
2093	IF ( TRIM(sn_rcv_qsr%clcat) == 'yes' ) THEN
2094	DO jl=1,jpl
2095	zqsr_tot(:,: ) = zqsr_tot(:,:) + a_i(:,:,jl) * frcv(jpr_qsrice)%z3(:,:,jl)
2096	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,jl)
2097	ENDDO
2098	ELSE
2099	qsr_tot(:,: ) = qsr_tot(:,:) + zicefr(:,:) * frcv(jpr_qsrice)%z3(:,:,1)
2100	DO jl=1,jpl
2101	zqsr_tot(:,: ) = zqsr_tot(:,:) + zicefr(:,:) * frcv(jpr_qsrice)%z3(:,:,1)
2102	zqsr_ice(:,:,jl) = frcv(jpr_qsrice)%z3(:,:,1)
2103	ENDDO
2104	ENDIF
2105	CASE( 'mixed oce-ice' )
2106	zqsr_tot(:,: ) = frcv(jpr_qsrmix)%z3(:,:,1)
2107	! NEED TO SORT OUT HOW THIS SHOULD WORK IN THE MULTI-CATEGORY CASE - CURRENTLY NOT ALLOWED WHEN INTERFACE INITIALISED
2108	! Create solar heat flux over ice using incoming solar heat flux and albedos
2109	! ( see OASIS3 user guide, 5th edition, p39 )
2110	zqsr_ice(:,:,1) = frcv(jpr_qsrmix)%z3(:,:,1) * ( 1.- palbi(:,:,1) ) &
2111	& / ( 1.- ( albedo_oce_mix(:,: ) * p_frld(:,:) &
2112	& + palbi (:,:,1) * zicefr(:,:) ) )
2113	END SELECT
2114	IF( ln_dm2dc .AND. ln_cpl ) THEN ! modify qsr to include the diurnal cycle
2115	zqsr_tot(:,: ) = sbc_dcy( zqsr_tot(:,: ) )
2116	DO jl=1,jpl
2117	zqsr_ice(:,:,jl) = sbc_dcy( zqsr_ice(:,:,jl) )
2118	ENDDO
2119	ENDIF
2120
2121	#if defined key_lim3
2122	! --- solar flux over ocean --- !
2123	! note: p_frld cannot be = 0 since we limit the ice concentration to amax
2124	zqsr_oce = 0._wp
2125	WHERE( p_frld /= 0._wp ) zqsr_oce(:,:) = ( zqsr_tot(:,:) - SUM( a_i * zqsr_ice, dim=3 ) ) / p_frld(:,:)
2126
2127	IF( ln_mixcpl ) THEN ; qsr_oce(:,:) = qsr_oce(:,:) * xcplmask(:,:,0) + zqsr_oce(:,:)* zmsk(:,:)
2128	ELSE ; qsr_oce(:,:) = zqsr_oce(:,:) ; ENDIF
2129	#endif
2130
2131	IF( ln_mixcpl ) THEN
2132	qsr_tot(:,:) = qsr(:,:) * p_frld(:,:) + SUM( qsr_ice(:,:,:) * a_i(:,:,:), dim=3 ) ! total flux from blk
2133	qsr_tot(:,:) = qsr_tot(:,:) * xcplmask(:,:,0) + zqsr_tot(:,:)* zmsk(:,:)
2134	DO jl=1,jpl
2135	qsr_ice(:,:,jl) = qsr_ice(:,:,jl) * xcplmask(:,:,0) + zqsr_ice(:,:,jl)* zmsk(:,:)
2136	ENDDO
2137	ELSE
2138	qsr_tot(:,: ) = zqsr_tot(:,: )
2139	qsr_ice(:,:,:) = zqsr_ice(:,:,:)
2140	ENDIF
2141
2142	! ! ========================= !
2143	SELECT CASE( TRIM( sn_rcv_dqnsdt%cldes ) ) ! d(qns)/dt !
2144	! ! ========================= !
2145	CASE ('coupled')
2146	IF ( TRIM(sn_rcv_dqnsdt%clcat) == 'yes' ) THEN
2147	zdqns_ice(:,:,1:jpl) = frcv(jpr_dqnsdt)%z3(:,:,1:jpl)
2148	ELSE
2149	! Set all category values equal for the moment
2150	DO jl=1,jpl
2151	zdqns_ice(:,:,jl) = frcv(jpr_dqnsdt)%z3(:,:,1)
2152	ENDDO
2153	ENDIF
2154	END SELECT
2155
2156	IF( ln_mixcpl ) THEN
2157	DO jl=1,jpl
2158	dqns_ice(:,:,jl) = dqns_ice(:,:,jl) * xcplmask(:,:,0) + zdqns_ice(:,:,jl) * zmsk(:,:)
2159	ENDDO
2160	ELSE
2161	dqns_ice(:,:,:) = zdqns_ice(:,:,:)
2162	ENDIF
2163
2164	! ! ========================= !
2165	SELECT CASE( TRIM( sn_rcv_iceflx%cldes ) ) ! topmelt and botmelt !
2166	! ! ========================= !
2167	CASE ('coupled')
2168	topmelt(:,:,:)=frcv(jpr_topm)%z3(:,:,:)
2169	botmelt(:,:,:)=frcv(jpr_botm)%z3(:,:,:)
2170	END SELECT
2171
2172	! Surface transimission parameter io (Maykut Untersteiner , 1971 ; Ebert and Curry, 1993 )
2173	! Used for LIM2 and LIM3
2174	! Coupled case: since cloud cover is not received from atmosphere
2175	! ===> used prescribed cloud fraction representative for polar oceans in summer (0.81)
2176	fr1_i0(:,:) = ( 0.18 * ( 1.0 - cldf_ice ) + 0.35 * cldf_ice )
2177	fr2_i0(:,:) = ( 0.82 * ( 1.0 - cldf_ice ) + 0.65 * cldf_ice )
2178
2179	CALL wrk_dealloc( jpi,jpj, zcptn, ztmp, zicefr, zmsk, zsnw )
2180	CALL wrk_dealloc( jpi,jpj, zemp_tot, zemp_ice, zemp_oce, ztprecip, zsprecip, zevap_oce, zevap_ice, zdevap_ice )
2181	CALL wrk_dealloc( jpi,jpj, zqns_tot, zqns_oce, zqsr_tot, zqsr_oce, zqprec_ice, zqemp_oce, zqemp_ice )
2182	CALL wrk_dealloc( jpi,jpj,jpl, zqns_ice, zqsr_ice, zdqns_ice, zqevap_ice )
2183	!
2184	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_ice_flx')
2185	!
2186	END SUBROUTINE sbc_cpl_ice_flx
2187
2188
2189	SUBROUTINE sbc_cpl_snd( kt )
2190	!!----------------------------------------------------------------------
2191	!! * ROUTINE sbc_cpl_snd *
2192	!!
2193	!! ** Purpose : provide the ocean-ice informations to the atmosphere
2194	!!
2195	!! ** Method : send to the atmosphere through a call to cpl_snd
2196	!! all the needed fields (as defined in sbc_cpl_init)
2197	!!----------------------------------------------------------------------
2198	INTEGER, INTENT(in) :: kt
2199	!
2200	INTEGER :: ji, jj, jl ! dummy loop indices
2201	INTEGER :: ikchoix
2202	INTEGER :: isec, info ! local integer
2203	REAL(wp) :: zumax, zvmax
2204	REAL(wp), POINTER, DIMENSION(:,:) :: zfr_l, ztmp1, ztmp2, zotx1, zoty1, zotz1, zitx1, zity1, zitz1
2205	REAL(wp), POINTER, DIMENSION(:,:) :: zotx1_in, zoty1_in
2206	REAL(wp), POINTER, DIMENSION(:,:,:) :: ztmp3, ztmp4
2207	!!----------------------------------------------------------------------
2208	!
2209	IF( nn_timing == 1 ) CALL timing_start('sbc_cpl_snd')
2210	!
2211	CALL wrk_alloc( jpi,jpj, zfr_l, ztmp1, ztmp2, zotx1, zoty1, zotz1, zitx1, zity1, zitz1 )
2212	CALL wrk_alloc( jpi,jpj, zotx1_in, zoty1_in)
2213	CALL wrk_alloc( jpi,jpj,jpl, ztmp3, ztmp4 )
2214
2215	isec = ( kt - nit000 ) * NINT(rdttra(1)) ! date of exchanges
2216
2217	zfr_l(:,:) = 1.- fr_i(:,:)
2218	! ! ------------------------- !
2219	! ! Surface temperature ! in Kelvin
2220	! ! ------------------------- !
2221	IF( ssnd(jps_toce)%laction .OR. ssnd(jps_tice)%laction .OR. ssnd(jps_tmix)%laction ) THEN
2222
2223	IF ( nn_components == jp_iam_opa ) THEN
2224	ztmp1(:,:) = tsn(:,:,1,jp_tem) ! send temperature as it is (potential or conservative) -> use of ln_useCT on the received part
2225	ELSE
2226	! we must send the surface potential temperature
2227	IF( ln_useCT ) THEN ; ztmp1(:,:) = eos_pt_from_ct( tsn(:,:,1,jp_tem), tsn(:,:,1,jp_sal) )
2228	ELSE ; ztmp1(:,:) = tsn(:,:,1,jp_tem)
2229	ENDIF
2230	!
2231	SELECT CASE( sn_snd_temp%cldes)
2232	CASE( 'oce only' ) ; ztmp1(:,:) = ztmp1(:,:) + rt0
2233	CASE( 'oce and ice' ) ; ztmp1(:,:) = ztmp1(:,:) + rt0
2234	SELECT CASE( sn_snd_temp%clcat )
2235	CASE( 'yes' )
2236	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl)
2237	CASE( 'no' )
2238	WHERE( SUM( a_i, dim=3 ) /= 0. )
2239	ztmp3(:,:,1) = SUM( tn_ice * a_i, dim=3 ) / SUM( a_i, dim=3 )
2240	ELSEWHERE
2241	ztmp3(:,:,1) = rt0
2242	END WHERE
2243	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
2244	END SELECT
2245	CASE( 'weighted oce and ice' ) ; ztmp1(:,:) = ( ztmp1(:,:) + rt0 ) * zfr_l(:,:)
2246	SELECT CASE( sn_snd_temp%clcat )
2247	CASE( 'yes' )
2248	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2249	CASE( 'no' )
2250	ztmp3(:,:,:) = 0.0
2251	DO jl=1,jpl
2252	ztmp3(:,:,1) = ztmp3(:,:,1) + tn_ice(:,:,jl) * a_i(:,:,jl)
2253	ENDDO
2254	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
2255	END SELECT
2256	CASE( 'oce and weighted ice' ) ; ztmp1(:,:) = tsn(:,:,1,jp_tem) + rt0
2257	SELECT CASE( sn_snd_temp%clcat )
2258	CASE( 'yes' )
2259	ztmp3(:,:,1:jpl) = tn_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2260	CASE( 'no' )
2261	ztmp3(:,:,:) = 0.0
2262	DO jl=1,jpl
2263	ztmp3(:,:,1) = ztmp3(:,:,1) + tn_ice(:,:,jl) * a_i(:,:,jl)
2264	ENDDO
2265	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%clcat' )
2266	END SELECT
2267	CASE( 'mixed oce-ice' )
2268	ztmp1(:,:) = ( ztmp1(:,:) + rt0 ) * zfr_l(:,:)
2269	DO jl=1,jpl
2270	ztmp1(:,:) = ztmp1(:,:) + tn_ice(:,:,jl) * a_i(:,:,jl)
2271	ENDDO
2272	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_temp%cldes' )
2273	END SELECT
2274	ENDIF
2275	IF( ssnd(jps_toce)%laction ) CALL cpl_snd( jps_toce, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2276	IF( ssnd(jps_tice)%laction ) CALL cpl_snd( jps_tice, isec, ztmp3, info )
2277	IF( ssnd(jps_tmix)%laction ) CALL cpl_snd( jps_tmix, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2278	ENDIF
2279	! ! ------------------------- !
2280	! ! Albedo !
2281	! ! ------------------------- !
2282	IF( ssnd(jps_albice)%laction ) THEN ! ice
2283	SELECT CASE( sn_snd_alb%cldes )
2284	CASE( 'ice' )
2285	SELECT CASE( sn_snd_alb%clcat )
2286	CASE( 'yes' )
2287	ztmp3(:,:,1:jpl) = alb_ice(:,:,1:jpl)
2288	CASE( 'no' )
2289	WHERE( SUM( a_i, dim=3 ) /= 0. )
2290	ztmp1(:,:) = SUM( alb_ice (:,:,1:jpl) * a_i(:,:,1:jpl), dim=3 ) / SUM( a_i(:,:,1:jpl), dim=3 )
2291	ELSEWHERE
2292	ztmp1(:,:) = albedo_oce_mix(:,:)
2293	END WHERE
2294	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_alb%clcat' )
2295	END SELECT
2296	CASE( 'weighted ice' ) ;
2297	SELECT CASE( sn_snd_alb%clcat )
2298	CASE( 'yes' )
2299	ztmp3(:,:,1:jpl) = alb_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2300	CASE( 'no' )
2301	WHERE( fr_i (:,:) > 0. )
2302	ztmp1(:,:) = SUM ( alb_ice(:,:,1:jpl) * a_i(:,:,1:jpl), dim=3 )
2303	ELSEWHERE
2304	ztmp1(:,:) = 0.
2305	END WHERE
2306	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_ice%clcat' )
2307	END SELECT
2308	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_alb%cldes' )
2309	END SELECT
2310
2311	SELECT CASE( sn_snd_alb%clcat )
2312	CASE( 'yes' )
2313	CALL cpl_snd( jps_albice, isec, ztmp3, info ) !-> MV this has never been checked in coupled mode
2314	CASE( 'no' )
2315	CALL cpl_snd( jps_albice, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2316	END SELECT
2317	ENDIF
2318
2319	IF( ssnd(jps_albmix)%laction ) THEN ! mixed ice-ocean
2320	ztmp1(:,:) = albedo_oce_mix(:,:) * zfr_l(:,:)
2321	DO jl=1,jpl
2322	ztmp1(:,:) = ztmp1(:,:) + alb_ice(:,:,jl) * a_i(:,:,jl)
2323	ENDDO
2324	CALL cpl_snd( jps_albmix, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2325	ENDIF
2326	! ! ------------------------- !
2327	! ! Ice fraction & Thickness !
2328	! ! ------------------------- !
2329	! Send ice fraction field to atmosphere
2330	IF( ssnd(jps_fice)%laction ) THEN
2331	SELECT CASE( sn_snd_thick%clcat )
2332	CASE( 'yes' ) ; ztmp3(:,:,1:jpl) = a_i(:,:,1:jpl)
2333	CASE( 'no' ) ; ztmp3(:,:,1 ) = fr_i(:,: )
2334	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
2335	END SELECT
2336	IF( ssnd(jps_fice)%laction ) CALL cpl_snd( jps_fice, isec, ztmp3, info )
2337	ENDIF
2338
2339	! Send ice fraction field (first order interpolation), for weighting UM fluxes to be passed to NEMO
2340	IF (ssnd(jps_fice1)%laction) THEN
2341	SELECT CASE (sn_snd_thick1%clcat)
2342	CASE( 'yes' ) ; ztmp3(:,:,1:jpl) = a_i(:,:,1:jpl)
2343	CASE( 'no' ) ; ztmp3(:,:,1) = fr_i(:,:)
2344	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick1%clcat' )
2345	END SELECT
2346	CALL cpl_snd (jps_fice1, isec, ztmp3, info)
2347	ENDIF
2348
2349	! Send ice fraction field to OPA (sent by SAS in SAS-OPA coupling)
2350	IF( ssnd(jps_fice2)%laction ) THEN
2351	ztmp3(:,:,1) = fr_i(:,:)
2352	IF( ssnd(jps_fice2)%laction ) CALL cpl_snd( jps_fice2, isec, ztmp3, info )
2353	ENDIF
2354
2355	! Send ice and snow thickness field
2356	IF( ssnd(jps_hice)%laction .OR. ssnd(jps_hsnw)%laction ) THEN
2357	SELECT CASE( sn_snd_thick%cldes)
2358	CASE( 'none' ) ! nothing to do
2359	CASE( 'weighted ice and snow' )
2360	SELECT CASE( sn_snd_thick%clcat )
2361	CASE( 'yes' )
2362	ztmp3(:,:,1:jpl) = ht_i(:,:,1:jpl) * a_i(:,:,1:jpl)
2363	ztmp4(:,:,1:jpl) = ht_s(:,:,1:jpl) * a_i(:,:,1:jpl)
2364	CASE( 'no' )
2365	ztmp3(:,:,:) = 0.0 ; ztmp4(:,:,:) = 0.0
2366	DO jl=1,jpl
2367	ztmp3(:,:,1) = ztmp3(:,:,1) + ht_i(:,:,jl) * a_i(:,:,jl)
2368	ztmp4(:,:,1) = ztmp4(:,:,1) + ht_s(:,:,jl) * a_i(:,:,jl)
2369	ENDDO
2370	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
2371	END SELECT
2372	CASE( 'ice and snow' )
2373	SELECT CASE( sn_snd_thick%clcat )
2374	CASE( 'yes' )
2375	ztmp3(:,:,1:jpl) = ht_i(:,:,1:jpl)
2376	ztmp4(:,:,1:jpl) = ht_s(:,:,1:jpl)
2377	CASE( 'no' )
2378	WHERE( SUM( a_i, dim=3 ) /= 0. )
2379	ztmp3(:,:,1) = SUM( ht_i * a_i, dim=3 ) / SUM( a_i, dim=3 )
2380	ztmp4(:,:,1) = SUM( ht_s * a_i, dim=3 ) / SUM( a_i, dim=3 )
2381	ELSEWHERE
2382	ztmp3(:,:,1) = 0.
2383	ztmp4(:,:,1) = 0.
2384	END WHERE
2385	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%clcat' )
2386	END SELECT
2387	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_thick%cldes' )
2388	END SELECT
2389	IF( ssnd(jps_hice)%laction ) CALL cpl_snd( jps_hice, isec, ztmp3, info )
2390	IF( ssnd(jps_hsnw)%laction ) CALL cpl_snd( jps_hsnw, isec, ztmp4, info )
2391	ENDIF
2392	!
2393	#if defined key_cice && ! defined key_cice4
2394	! Send meltpond fields
2395	IF( ssnd(jps_a_p)%laction .OR. ssnd(jps_ht_p)%laction ) THEN
2396	SELECT CASE( sn_snd_mpnd%cldes)
2397	CASE( 'weighted ice' )
2398	SELECT CASE( sn_snd_mpnd%clcat )
2399	CASE( 'yes' )
2400	ztmp3(:,:,1:jpl) = a_p(:,:,1:jpl) * a_i(:,:,1:jpl)
2401	ztmp4(:,:,1:jpl) = ht_p(:,:,1:jpl) * a_i(:,:,1:jpl)
2402	CASE( 'no' )
2403	ztmp3(:,:,:) = 0.0
2404	ztmp4(:,:,:) = 0.0
2405	DO jl=1,jpl
2406	ztmp3(:,:,1) = ztmp3(:,:,1) + a_p(:,:,jpl) * a_i(:,:,jpl)
2407	ztmp4(:,:,1) = ztmp4(:,:,1) + ht_p(:,:,jpl) * a_i(:,:,jpl)
2408	ENDDO
2409	CASE default ; CALL ctl_stop( 'sbc_cpl_mpd: wrong definition of sn_snd_mpnd%clcat' )
2410	END SELECT
2411	CASE( 'ice only' )
2412	ztmp3(:,:,1:jpl) = a_p(:,:,1:jpl)
2413	ztmp4(:,:,1:jpl) = ht_p(:,:,1:jpl)
2414	END SELECT
2415	IF( ssnd(jps_a_p)%laction ) CALL cpl_snd( jps_a_p, isec, ztmp3, info )
2416	IF( ssnd(jps_ht_p)%laction ) CALL cpl_snd( jps_ht_p, isec, ztmp4, info )
2417	!
2418	! Send ice effective conductivity
2419	SELECT CASE( sn_snd_cond%cldes)
2420	CASE( 'weighted ice' )
2421	SELECT CASE( sn_snd_cond%clcat )
2422	CASE( 'yes' )
2423	ztmp3(:,:,1:jpl) = kn_ice(:,:,1:jpl) * a_i(:,:,1:jpl)
2424	CASE( 'no' )
2425	ztmp3(:,:,:) = 0.0
2426	DO jl=1,jpl
2427	ztmp3(:,:,1) = ztmp3(:,:,1) + kn_ice(:,:,jl) * a_i(:,:,jl)
2428	ENDDO
2429	CASE default ; CALL ctl_stop( 'sbc_cpl_snd: wrong definition of sn_snd_cond%clcat' )
2430	END SELECT
2431	CASE( 'ice only' )
2432	ztmp3(:,:,1:jpl) = kn_ice(:,:,1:jpl)
2433	END SELECT
2434	IF( ssnd(jps_kice)%laction ) CALL cpl_snd( jps_kice, isec, ztmp3, info )
2435	ENDIF
2436	#endif
2437	!
2438	!
2439	#if defined key_cpl_carbon_cycle
2440	! ! ------------------------- !
2441	! ! CO2 flux from PISCES !
2442	! ! ------------------------- !
2443	IF( ssnd(jps_co2)%laction ) CALL cpl_snd( jps_co2, isec, RESHAPE ( oce_co2, (/jpi,jpj,1/) ) , info )
2444	!
2445	#endif
2446
2447
2448
2449	IF (ln_medusa) THEN
2450	! ! ---------------------------------------------- !
2451	! ! CO2 flux, DMS and chlorophyll from MEDUSA !
2452	! ! ---------------------------------------------- !
2453	IF ( ssnd(jps_bio_co2)%laction ) THEN
2454	CALL cpl_snd( jps_bio_co2, isec, RESHAPE( CO2Flux_out_cpl, (/jpi,jpj,1/) ), info )
2455	ENDIF
2456
2457	IF ( ssnd(jps_bio_dms)%laction ) THEN
2458	CALL cpl_snd( jps_bio_dms, isec, RESHAPE( DMS_out_cpl, (/jpi,jpj,1/) ), info )
2459	ENDIF
2460
2461	IF ( ssnd(jps_bio_chloro)%laction ) THEN
2462	CALL cpl_snd( jps_bio_chloro, isec, RESHAPE( chloro_out_cpl, (/jpi,jpj,1/) ), info )
2463	ENDIF
2464	ENDIF
2465
2466	! ! ------------------------- !
2467	IF( ssnd(jps_ocx1)%laction ) THEN ! Surface current !
2468	! ! ------------------------- !
2469	!
2470	! j+1 j -----V---F
2471	! surface velocity always sent from T point ! \|
2472	! [except for HadGEM3] j \| T U
2473	! \| \|
2474	! j j-1 -I-------\|
2475	! (for I) \| \|
2476	! i-1 i i
2477	! i i+1 (for I)
2478	IF( nn_components == jp_iam_opa ) THEN
2479	zotx1(:,:) = un(:,:,1)
2480	zoty1(:,:) = vn(:,:,1)
2481	ELSE
2482	SELECT CASE( TRIM( sn_snd_crt%cldes ) )
2483	CASE( 'oce only' ) ! C-grid ==> T
2484	IF ( TRIM( sn_snd_crt%clvgrd ) == 'T' ) THEN
2485	DO jj = 2, jpjm1
2486	DO ji = fs_2, fs_jpim1 ! vector opt.
2487	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) )
2488	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) )
2489	END DO
2490	END DO
2491	ELSE
2492	! Temporarily Changed for UKV
2493	DO jj = 2, jpjm1
2494	DO ji = 2, jpim1
2495	zotx1(ji,jj) = un(ji,jj,1)
2496	zoty1(ji,jj) = vn(ji,jj,1)
2497	END DO
2498	END DO
2499	ENDIF
2500	CASE( 'weighted oce and ice' )
2501	SELECT CASE ( cp_ice_msh )
2502	CASE( 'C' ) ! Ocean and Ice on C-grid ==> T
2503	DO jj = 2, jpjm1
2504	DO ji = fs_2, fs_jpim1 ! vector opt.
2505	zotx1(ji,jj) = 0.5 * ( un (ji,jj,1) + un (ji-1,jj ,1) ) * zfr_l(ji,jj)
2506	zoty1(ji,jj) = 0.5 * ( vn (ji,jj,1) + vn (ji ,jj-1,1) ) * zfr_l(ji,jj)
2507	zitx1(ji,jj) = 0.5 * ( u_ice(ji,jj ) + u_ice(ji-1,jj ) ) * fr_i(ji,jj)
2508	zity1(ji,jj) = 0.5 * ( v_ice(ji,jj ) + v_ice(ji ,jj-1 ) ) * fr_i(ji,jj)
2509	END DO
2510	END DO
2511	CASE( 'I' ) ! Ocean on C grid, Ice on I-point (B-grid) ==> T
2512	DO jj = 2, jpjm1
2513	DO ji = 2, jpim1 ! NO vector opt.
2514	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) ) * zfr_l(ji,jj)
2515	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) ) * zfr_l(ji,jj)
2516	zitx1(ji,jj) = 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	zity1(ji,jj) = 0.25 * ( v_ice(ji+1,jj+1) + v_ice(ji,jj+1) &
2519	& + v_ice(ji+1,jj ) + v_ice(ji,jj ) ) * fr_i(ji,jj)
2520	END DO
2521	END DO
2522	CASE( 'F' ) ! Ocean on C grid, Ice on F-point (B-grid) ==> T
2523	DO jj = 2, jpjm1
2524	DO ji = 2, jpim1 ! NO vector opt.
2525	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) ) * zfr_l(ji,jj)
2526	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) ) * zfr_l(ji,jj)
2527	zitx1(ji,jj) = 0.25 * ( u_ice(ji-1,jj-1) + u_ice(ji,jj-1) &
2528	& + u_ice(ji-1,jj ) + u_ice(ji,jj ) ) * fr_i(ji,jj)
2529	zity1(ji,jj) = 0.25 * ( v_ice(ji-1,jj-1) + v_ice(ji,jj-1) &
2530	& + v_ice(ji-1,jj ) + v_ice(ji,jj ) ) * fr_i(ji,jj)
2531	END DO
2532	END DO
2533	END SELECT
2534	CALL lbc_lnk( zitx1, 'T', -1. ) ; CALL lbc_lnk( zity1, 'T', -1. )
2535	CASE( 'mixed oce-ice' )
2536	SELECT CASE ( cp_ice_msh )
2537	CASE( 'C' ) ! Ocean and Ice on C-grid ==> T
2538	DO jj = 2, jpjm1
2539	DO ji = fs_2, fs_jpim1 ! vector opt.
2540	zotx1(ji,jj) = 0.5 * ( un (ji,jj,1) + un (ji-1,jj ,1) ) * zfr_l(ji,jj) &
2541	& + 0.5 * ( u_ice(ji,jj ) + u_ice(ji-1,jj ) ) * fr_i(ji,jj)
2542	zoty1(ji,jj) = 0.5 * ( vn (ji,jj,1) + vn (ji ,jj-1,1) ) * zfr_l(ji,jj) &
2543	& + 0.5 * ( v_ice(ji,jj ) + v_ice(ji ,jj-1 ) ) * fr_i(ji,jj)
2544	END DO
2545	END DO
2546	CASE( 'I' ) ! Ocean on C grid, Ice on I-point (B-grid) ==> T
2547	DO jj = 2, jpjm1
2548	DO ji = 2, jpim1 ! NO vector opt.
2549	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj ,1) ) * zfr_l(ji,jj) &
2550	& + 0.25 * ( u_ice(ji+1,jj+1) + u_ice(ji,jj+1) &
2551	& + u_ice(ji+1,jj ) + u_ice(ji,jj ) ) * fr_i(ji,jj)
2552	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji ,jj-1,1) ) * zfr_l(ji,jj) &
2553	& + 0.25 * ( v_ice(ji+1,jj+1) + v_ice(ji,jj+1) &
2554	& + v_ice(ji+1,jj ) + v_ice(ji,jj ) ) * fr_i(ji,jj)
2555	END DO
2556	END DO
2557	CASE( 'F' ) ! Ocean on C grid, Ice on F-point (B-grid) ==> T
2558	IF ( TRIM( sn_snd_crt%clvgrd ) == 'T' ) THEN
2559	DO jj = 2, jpjm1
2560	DO ji = 2, jpim1 ! NO vector opt.
2561	zotx1(ji,jj) = 0.5 * ( un(ji,jj,1) + un(ji-1,jj,1) ) * zfr_l(ji,jj) &
2562	& + 0.25 * ( u_ice(ji-1,jj-1) + u_ice(ji,jj-1) &
2563	& + u_ice(ji-1,jj ) + u_ice(ji,jj ) ) * fr_i(ji,jj)
2564	zoty1(ji,jj) = 0.5 * ( vn(ji,jj,1) + vn(ji,jj-1,1) ) * zfr_l(ji,jj) &
2565	& + 0.25 * ( v_ice(ji-1,jj-1) + v_ice(ji,jj-1) &
2566	& + v_ice(ji-1,jj ) + v_ice(ji,jj ) ) * fr_i(ji,jj)
2567	END DO
2568	END DO
2569	#if defined key_cice
2570	ELSE
2571	! Temporarily Changed for HadGEM3
2572	DO jj = 2, jpjm1
2573	DO ji = 2, jpim1 ! NO vector opt.
2574	zotx1(ji,jj) = (1.0-fr_iu(ji,jj)) * un(ji,jj,1) &
2575	& + fr_iu(ji,jj) * 0.5 * ( u_ice(ji,jj-1) + u_ice(ji,jj) )
2576	zoty1(ji,jj) = (1.0-fr_iv(ji,jj)) * vn(ji,jj,1) &
2577	& + fr_iv(ji,jj) * 0.5 * ( v_ice(ji-1,jj) + v_ice(ji,jj) )
2578	END DO
2579	END DO
2580	#endif
2581	ENDIF
2582	END SELECT
2583	END SELECT
2584	CALL lbc_lnk( zotx1, ssnd(jps_ocx1)%clgrid, -1. ) ; CALL lbc_lnk( zoty1, ssnd(jps_ocy1)%clgrid, -1. )
2585	!
2586	ENDIF
2587	!
2588	!
2589	IF( TRIM( sn_snd_crt%clvor ) == 'eastward-northward' ) THEN ! Rotation of the components
2590	! ! Ocean component
2591	IF ( TRIM( sn_snd_crt%clvgrd ) == 'T' ) THEN
2592	CALL rot_rep( zotx1, zoty1, ssnd(jps_ocx1)%clgrid, 'ij->e', ztmp1 ) ! 1st component
2593	CALL rot_rep( zotx1, zoty1, ssnd(jps_ocx1)%clgrid, 'ij->n', ztmp2 ) ! 2nd component
2594	zotx1(:,:) = ztmp1(:,:) ! overwrite the components
2595	zoty1(:,:) = ztmp2(:,:)
2596	IF( ssnd(jps_ivx1)%laction ) THEN ! Ice component
2597	CALL rot_rep( zitx1, zity1, ssnd(jps_ivx1)%clgrid, 'ij->e', ztmp1 ) ! 1st component
2598	CALL rot_rep( zitx1, zity1, ssnd(jps_ivx1)%clgrid, 'ij->n', ztmp2 ) ! 2nd component
2599	zitx1(:,:) = ztmp1(:,:) ! overwrite the components
2600	zity1(:,:) = ztmp2(:,:)
2601	ENDIF
2602	ELSE
2603	! Temporary code for HadGEM3 - will be removed eventually.
2604	! Only applies when we want uvel on U grid and vvel on V grid
2605	! Rotate U and V onto geographic grid before sending.
2606
2607	DO jj=2,jpjm1
2608	DO ji=2,jpim1
2609	ztmp1(ji,jj)=0.25*vmask(ji,jj,1) &
2610	*(zotx1(ji,jj)+zotx1(ji-1,jj) &
2611	+zotx1(ji,jj+1)+zotx1(ji-1,jj+1))
2612	ztmp2(ji,jj)=0.25*umask(ji,jj,1) &
2613	*(zoty1(ji,jj)+zoty1(ji+1,jj) &
2614	+zoty1(ji,jj-1)+zoty1(ji+1,jj-1))
2615	ENDDO
2616	ENDDO
2617
2618	! Ensure any N fold and wrap columns are updated
2619	CALL lbc_lnk(ztmp1, 'V', -1.0)
2620	CALL lbc_lnk(ztmp2, 'U', -1.0)
2621
2622	ikchoix = -1
2623	! We need copies of zotx1 and zoty2 in order to avoid problems
2624	! caused by INTENTs used in the following subroutine.
2625	zotx1_in(:,:) = zotx1(:,:)
2626	zoty1_in(:,:) = zoty1(:,:)
2627	CALL repcmo (zotx1_in,ztmp2,ztmp1,zoty1_in,zotx1,zoty1,ikchoix)
2628	ENDIF
2629	ENDIF
2630	!
2631	! spherical coordinates to cartesian -> 2 components to 3 components
2632	IF( TRIM( sn_snd_crt%clvref ) == 'cartesian' ) THEN
2633	ztmp1(:,:) = zotx1(:,:) ! ocean currents
2634	ztmp2(:,:) = zoty1(:,:)
2635	CALL oce2geo ( ztmp1, ztmp2, 'T', zotx1, zoty1, zotz1 )
2636	!
2637	IF( ssnd(jps_ivx1)%laction ) THEN ! ice velocities
2638	ztmp1(:,:) = zitx1(:,:)
2639	ztmp1(:,:) = zity1(:,:)
2640	CALL oce2geo ( ztmp1, ztmp2, 'T', zitx1, zity1, zitz1 )
2641	ENDIF
2642	ENDIF
2643	!
2644	IF( ssnd(jps_ocx1)%laction ) CALL cpl_snd( jps_ocx1, isec, RESHAPE ( zotx1, (/jpi,jpj,1/) ), info ) ! ocean x current 1st grid
2645	IF( ssnd(jps_ocy1)%laction ) CALL cpl_snd( jps_ocy1, isec, RESHAPE ( zoty1, (/jpi,jpj,1/) ), info ) ! ocean y current 1st grid
2646	IF( ssnd(jps_ocz1)%laction ) CALL cpl_snd( jps_ocz1, isec, RESHAPE ( zotz1, (/jpi,jpj,1/) ), info ) ! ocean z current 1st grid
2647	!
2648	IF( ssnd(jps_ivx1)%laction ) CALL cpl_snd( jps_ivx1, isec, RESHAPE ( zitx1, (/jpi,jpj,1/) ), info ) ! ice x current 1st grid
2649	IF( ssnd(jps_ivy1)%laction ) CALL cpl_snd( jps_ivy1, isec, RESHAPE ( zity1, (/jpi,jpj,1/) ), info ) ! ice y current 1st grid
2650	IF( ssnd(jps_ivz1)%laction ) CALL cpl_snd( jps_ivz1, isec, RESHAPE ( zitz1, (/jpi,jpj,1/) ), info ) ! ice z current 1st grid
2651	!
2652	ENDIF
2653	!
2654	!
2655	! Fields sent by OPA to SAS when doing OPA<->SAS coupling
2656	! ! SSH
2657	IF( ssnd(jps_ssh )%laction ) THEN
2658	! ! removed inverse barometer ssh when Patm
2659	! forcing is used (for sea-ice dynamics)
2660	IF( ln_apr_dyn ) THEN ; ztmp1(:,:) = sshb(:,:) - 0.5 * ( ssh_ib(:,:) + ssh_ibb(:,:) )
2661	ELSE ; ztmp1(:,:) = sshn(:,:)
2662	ENDIF
2663	CALL cpl_snd( jps_ssh , isec, RESHAPE ( ztmp1 , (/jpi,jpj,1/) ), info )
2664
2665	ENDIF
2666	! ! SSS
2667	IF( ssnd(jps_soce )%laction ) THEN
2668	CALL cpl_snd( jps_soce , isec, RESHAPE ( tsn(:,:,1,jp_sal), (/jpi,jpj,1/) ), info )
2669	ENDIF
2670	! ! first T level thickness
2671	IF( ssnd(jps_e3t1st )%laction ) THEN
2672	CALL cpl_snd( jps_e3t1st, isec, RESHAPE ( fse3t_n(:,:,1) , (/jpi,jpj,1/) ), info )
2673	ENDIF
2674	! ! Qsr fraction
2675	IF( ssnd(jps_fraqsr)%laction ) THEN
2676	CALL cpl_snd( jps_fraqsr, isec, RESHAPE ( fraqsr_1lev(:,:) , (/jpi,jpj,1/) ), info )
2677	ENDIF
2678	!
2679	! Fields sent by SAS to OPA when OASIS coupling
2680	! ! Solar heat flux
2681	IF( ssnd(jps_qsroce)%laction ) CALL cpl_snd( jps_qsroce, isec, RESHAPE ( qsr , (/jpi,jpj,1/) ), info )
2682	IF( ssnd(jps_qnsoce)%laction ) CALL cpl_snd( jps_qnsoce, isec, RESHAPE ( qns , (/jpi,jpj,1/) ), info )
2683	IF( ssnd(jps_oemp )%laction ) CALL cpl_snd( jps_oemp , isec, RESHAPE ( emp , (/jpi,jpj,1/) ), info )
2684	IF( ssnd(jps_sflx )%laction ) CALL cpl_snd( jps_sflx , isec, RESHAPE ( sfx , (/jpi,jpj,1/) ), info )
2685	IF( ssnd(jps_otx1 )%laction ) CALL cpl_snd( jps_otx1 , isec, RESHAPE ( utau, (/jpi,jpj,1/) ), info )
2686	IF( ssnd(jps_oty1 )%laction ) CALL cpl_snd( jps_oty1 , isec, RESHAPE ( vtau, (/jpi,jpj,1/) ), info )
2687	IF( ssnd(jps_rnf )%laction ) CALL cpl_snd( jps_rnf , isec, RESHAPE ( rnf , (/jpi,jpj,1/) ), info )
2688	IF( ssnd(jps_taum )%laction ) CALL cpl_snd( jps_taum , isec, RESHAPE ( taum, (/jpi,jpj,1/) ), info )
2689
2690	#if defined key_cice
2691	ztmp1(:,:) = sstfrz(:,:) + rt0
2692	IF( ssnd(jps_sstfrz)%laction ) CALL cpl_snd( jps_sstfrz, isec, RESHAPE ( ztmp1, (/jpi,jpj,1/) ), info )
2693	#endif
2694	!
2695	CALL wrk_dealloc( jpi,jpj, zfr_l, ztmp1, ztmp2, zotx1, zoty1, zotz1, zitx1, zity1, zitz1 )
2696	CALL wrk_dealloc( jpi,jpj, zotx1_in, zoty1_in )
2697	CALL wrk_dealloc( jpi,jpj,jpl, ztmp3, ztmp4 )
2698	!
2699	IF( nn_timing == 1 ) CALL timing_stop('sbc_cpl_snd')
2700	!
2701	END SUBROUTINE sbc_cpl_snd
2702
2703	!!======================================================================
2704	END MODULE sbccpl

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source: branches/UKMO/dev_r5518_cleanup_1d_cpl/NEMOGCM/NEMO/OPA_SRC/SBC/sbccpl.F90 @ 10046

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