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obcdta.F90 in branches/dev_r2586_dynamic_mem/NEMOGCM/NEMO/OPA_SRC/OBC – NEMO

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source: branches/dev_r2586_dynamic_mem/NEMOGCM/NEMO/OPA_SRC/OBC/obcdta.F90 @ 2647

Last change on this file since 2647 was 2647, checked in by gm, 13 years ago
dynamic mem: #785 ; OPA_SRC/OBC: move dyn allocation from nemogcm to obcini... (hopefully end)
Property svn:keywords set to `Id`
File size: 60.0 KB

Line
1	MODULE obcdta
2	!!==============================================================================
3	!! * MODULE obcdta *
4	!! Open boundary data : read the data for the open boundaries.
5	!!==============================================================================
6	!! History : OPA ! 1998-05 (J.M. Molines) Original code
7	!! 8.5 ! 2002-10 (C. Talandier, A-M. Treguier) Free surface, F90
8	!! NEMO 1.0 ! 2004-06 (F. Durand, A-M. Treguier) Netcdf BC files on input
9	!! 3.0 ! 2007-2008 (C. Langlais, P. Mathiot, J.M. Molines) high frequency boundaries data
10	!!------------------------------------------------------------------------------
11	#if defined key_obc
12	!!------------------------------------------------------------------------------
13	!! 'key_obc' : Open Boundary Conditions
14	!!------------------------------------------------------------------------------
15	!! obc_dta : read u, v, t, s data along each open boundary
16	!!------------------------------------------------------------------------------
17	USE oce ! ocean dynamics and tracers
18	USE dom_oce ! ocean space and time domain
19	USE lbclnk ! ocean lateral boundary conditions (or mpp link)
20	USE phycst ! physical constants
21	USE obc_par ! ocean open boundary conditions
22	USE obc_oce ! ocean open boundary conditions
23	USE in_out_manager ! I/O logical units
24	USE lib_mpp ! distributed memory computing
25	USE dynspg_oce ! ocean: surface pressure gradient
26	USE ioipsl ! now only for ymds2ju function
27	USE iom !
28
29	IMPLICIT NONE
30	PRIVATE
31
32	PUBLIC obc_dta ! routine called by step.F90
33	PUBLIC obc_dta_bt ! routine called by dynspg_ts.F90
34	PUBLIC obc_dta_alloc ! function called by obcini.F90
35
36	REAL(wp), DIMENSION(2) :: zjcnes_obc !
37	REAL(wp), DIMENSION(:), ALLOCATABLE :: ztcobc
38	REAL(wp) :: rdt_obc
39	REAL(wp) :: zjcnes
40	INTEGER :: imm0, iyy0, idd0, iyy, imm, idd
41	INTEGER :: nt_a=2, nt_b=1, itobc, ndate0_cnes, nday_year0
42	INTEGER :: itobce, itobcw, itobcs, itobcn, itobc_b ! number of time steps in OBC files
43
44	INTEGER :: ntobc ! where we are in the obc file
45	INTEGER :: ntobc_b ! first record used
46	INTEGER :: ntobc_a ! second record used
47
48	CHARACTER (len=40) :: cl_obc_eTS, cl_obc_eU ! name of data files
49	CHARACTER (len=40) :: cl_obc_wTS, cl_obc_wU ! - -
50	CHARACTER (len=40) :: cl_obc_nTS, cl_obc_nV ! - -
51	CHARACTER (len=40) :: cl_obc_sTS, cl_obc_sV ! - -
52
53	! bt arrays for interpolating time dependent data on the boundaries
54	INTEGER :: nt_m=0, ntobc_m
55	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ubtedta, vbtedta, sshedta ! East
56	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ubtwdta, vbtwdta, sshwdta ! West
57	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ubtndta, vbtndta, sshndta ! North
58	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ubtsdta, vbtsdta, sshsdta ! South
59	! arrays used for interpolating time dependent data on the boundaries
60	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: uedta, vedta, tedta, sedta ! East
61	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: uwdta, vwdta, twdta, swdta ! West
62	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: undta, vndta, tndta, sndta ! North
63	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: usdta, vsdta, tsdta, ssdta ! South
64
65	! Masks set to .TRUE. after successful allocation below
66	LOGICAL , ALLOCATABLE, SAVE, DIMENSION(:,:) :: ltemsk, luemsk, lvemsk ! boolean msks
67	LOGICAL , ALLOCATABLE, SAVE, DIMENSION(:,:) :: ltwmsk, luwmsk, lvwmsk ! used for outliers
68	LOGICAL , ALLOCATABLE, SAVE, DIMENSION(:,:) :: ltnmsk, lunmsk, lvnmsk ! checks
69	LOGICAL , ALLOCATABLE, SAVE, DIMENSION(:,:) :: ltsmsk, lusmsk, lvsmsk
70
71	!! * Substitutions
72	# include "obc_vectopt_loop_substitute.h90"
73	# include "domzgr_substitute.h90"
74	!!----------------------------------------------------------------------
75	!! NEMO/OPA 3.3 , NEMO Consortium (2010)
76	!! $Id$
77	!! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)
78	!!----------------------------------------------------------------------
79	CONTAINS
80
81	INTEGER FUNCTION obc_dta_alloc()
82	!!-------------------------------------------------------------------
83	!! * ROUTINE obc_dta_alloc *
84	!!-------------------------------------------------------------------
85	INTEGER :: ierr(2)
86	!!-------------------------------------------------------------------
87	# if defined key_dynspg_ts
88	ALLOCATE( & ! time-splitting : 0:jptobc
89	! bt arrays for interpolating time dependent data on the boundaries
90	& ubtedta (jpj,0:jptobc) , vbtedta (jpj,0:jptobc) , sshedta (jpj,0:jptobc) , &
91	& ubtwdta (jpj,0:jptobc) , vbtwdta (jpj,0:jptobc) , sshwdta (jpj,0:jptobc) , &
92	& ubtndta (jpi,0:jptobc) , vbtndta (jpi,0:jptobc) , sshndta (jpi,0:jptobc) , &
93	& ubtsdta (jpi,0:jptobc) , vbtsdta (jpi,0:jptobc) , sshsdta (jpi,0:jptobc) , &
94	! arrays used for interpolating time dependent data on the boundaries
95	& uedta(jpj,jpk,0:jptobc) , vedta(jpj,jpk,0:jptobc) , &
96	& tedta(jpj,jpk,0:jptobc) , sedta(jpj,jpk,0:jptobc) , &
97	& uwdta(jpj,jpk,0:jptobc) , vwdta(jpj,jpk,0:jptobc) , &
98	& twdta(jpj,jpk,0:jptobc) , swdta(jpj,jpk,0:jptobc) , &
99	& undta(jpi,jpk,0:jptobc) , vndta(jpi,jpk,0:jptobc) , &
100	& tndta(jpi,jpk,0:jptobc) , sndta(jpi,jpk,0:jptobc) , &
101	& usdta(jpi,jpk,0:jptobc) , vsdta(jpi,jpk,0:jptobc) , &
102	& tsdta(jpi,jpk,0:jptobc) , ssdta(jpi,jpk,0:jptobc) , STAT=ierr(1) )
103	# else
104	ALLOCATE( & ! no time splitting : 1:jptobc
105	! bt arrays for interpolating time dependent data on the boundaries
106	& ubtedta (jpj,jptobc) , vbtedta (jpj,jptobc) , sshedta (jpj,jptobc) , &
107	& ubtwdta (jpj,jptobc) , vbtwdta (jpj,jptobc) , sshwdta (jpj,jptobc) , &
108	& ubtndta (jpi,jptobc) , vbtndta (jpi,jptobc) , sshndta (jpi,jptobc) , &
109	& ubtsdta (jpi,jptobc) , vbtsdta (jpi,jptobc) , sshsdta (jpi,jptobc) , &
110	! arrays used for interpolating time dependent data on the boundaries
111	& uedta(jpj,jpk,jptobc) , vedta(jpj,jpk,jptobc) , &
112	& tedta(jpj,jpk,jptobc) , sedta(jpj,jpk,jptobc) , &
113	& uwdta(jpj,jpk,jptobc) , vwdta(jpj,jpk,jptobc) , &
114	& twdta(jpj,jpk,jptobc) , swdta(jpj,jpk,jptobc) , &
115	& undta(jpi,jpk,jptobc) , vndta(jpi,jpk,jptobc) , &
116	& tndta(jpi,jpk,jptobc) , sndta(jpi,jpk,jptobc) , &
117	& usdta(jpi,jpk,jptobc) , vsdta(jpi,jpk,jptobc) , &
118	& tsdta(jpi,jpk,jptobc) , ssdta(jpi,jpk,jptobc) , STAT=ierr(1) )
119	# endif
120
121	ALLOCATE( uedta(jpj,jpk,jptobc) , vedta(jpj,jpk,jptobc) , &
122	& tedta(jpj,jpk,jptobc) , sedta(jpj,jpk,jptobc) , &
123	& uwdta(jpj,jpk,jptobc) , vwdta(jpj,jpk,jptobc) , &
124	& twdta(jpj,jpk,jptobc) , swdta(jpj,jpk,jptobc) , &
125	& undta(jpj,jpk,jptobc) , vndta(jpj,jpk,jptobc) , &
126	& tndta(jpj,jpk,jptobc) , sndta(jpj,jpk,jptobc) , &
127	& usdta(jpj,jpk,jptobc) , vsdta(jpj,jpk,jptobc) , &
128	& tsdta(jpj,jpk,jptobc) , ssdta(jpj,jpk,jptobc) , &
129	& ltemsk(jpj,jpk) , luemsk(jpj,jpk) , lvemsk(jpj,jpk) , &
130	& ltwmsk(jpj,jpk) , luwmsk(jpj,jpk) , lvwmsk(jpj,jpk) , &
131	& ltnmsk(jpj,jpk) , lunmsk(jpj,jpk) , lvnmsk(jpj,jpk) , &
132	& ltsmsk(jpj,jpk) , lusmsk(jpj,jpk) , lvsmsk(jpj,jpk) , STAT=ierr(2) )
133
134	obc_dta_alloc = MAXVAL( ierr )
135	IF( lk_mpp ) CALL mpp_sum( obc_dta_alloc )
136
137	IF( obc_dta_alloc == 0 ) THEN ! Initialise mask values following successful allocation
138	! east ! west ! north ! south !
139	ltemsk(:,:) = .TRUE. ; ltwmsk(:,:) = .TRUE. ; ltnmsk(:,:) = .TRUE. ; ltsmsk(:,:) = .TRUE.
140	luemsk(:,:) = .TRUE. ; luwmsk(:,:) = .TRUE. ; lunmsk(:,:) = .TRUE. ; lusmsk(:,:) = .TRUE.
141	lvemsk(:,:) = .TRUE. ; lvwmsk(:,:) = .TRUE. ; lvnmsk(:,:) = .TRUE. ; lvsmsk(:,:) = .TRUE.
142	END IF
143	!
144	END FUNCTION obc_dta_alloc
145
146
147	SUBROUTINE obc_dta( kt )
148	!!---------------------------------------------------------------------------
149	!! * SUBROUTINE obc_dta *
150	!!
151	!! ** Purpose : Find the climatological boundary arrays for the specified date,
152	!! The boundary arrays are netcdf files. Three possible cases:
153	!! - one time frame only in the file (time dimension = 1).
154	!! in that case the boundary data does not change in time.
155	!! - many time frames. In that case, if we have 12 frames
156	!! we assume monthly fields.
157	!! Else, we assume that time_counter is in seconds
158	!! since the beginning of either the current year or a reference
159	!! year given in the namelist.
160	!! (no check is done so far but one would have to check the "unit"
161	!! attribute of variable time_counter).
162	!!
163	!!---------------------------------------------------------------------------
164	INTEGER, INTENT( in ) :: kt ! ocean time-step index
165	!
166	INTEGER, SAVE :: immfile, iyyfile !
167	INTEGER :: nt ! record indices (incrementation)
168	REAL(wp) :: zsec, zxy, znum, zden ! time interpolation weight
169	!!---------------------------------------------------------------------------
170
171	! 0. initialisation :
172	! --------------------
173	IF ( kt == nit000 ) CALL obc_dta_ini ( kt )
174	IF ( nobc_dta == 0 ) RETURN ! already done in obc_dta_ini
175	IF ( itobc == 1 ) RETURN ! case of only one time frame in file done in obc_dta_ini
176
177	! in the following code, we assume that obc data are read from files, with more than 1 time frame in it
178
179	iyyfile=iyy ; immfile = 00 ! set component of the current file name
180	IF ( cffile /= 'annual') immfile = imm !
181	IF ( ln_obc_clim ) iyyfile = 0000 ! assume that climatological files are labeled y0000
182
183	! 1. Synchronize time of run with time of data files
184	!---------------------------------------------------
185	! nday_year is the day number in the current year ( 1 for 01/01 )
186	zsec=MOD( (kt-nit000)rdt - (nday_year - nday_year0 )rday, rday ) ! number of seconds in the current day
187	IF (ln_obc_clim) THEN
188	zjcnes = nday_year - 1 + zsec/rday
189	ELSE
190	zjcnes = zjcnes + rdt/rday
191	ENDIF
192
193	! look for 'before' record number in the current file
194	ntobc = nrecbef () ! this function return the record number for 'before', relative to zjcnes
195
196	IF (MOD(kt-1,10)==0) THEN
197	IF (lwp) WRITE(numout,*) 'kt= ',kt,' zjcnes =', zjcnes,' ndastp =',ndastp, 'mm =',imm
198	END IF
199
200	! 2. read a new data if necessary
201	!--------------------------------
202	IF ( ntobc /= ntobc_b ) THEN
203	! we need to read the 'after' record
204	! swap working index:
205	# if defined key_dynspg_ts
206	nt=nt_m ; nt_m=nt_b ; nt_b=nt
207	# endif
208	nt=nt_b ; nt_b=nt_a ; nt_a=nt
209	ntobc_b = ntobc
210
211	! new record number :
212	ntobc_a = ntobc_a + 1
213
214	! all tricky things related to record number, changing files etc... are managed by obc_read
215
216	CALL obc_read (kt, nt_a, ntobc_a, iyyfile, immfile )
217
218	! update zjcnes_obc
219	# if defined key_dynspg_ts
220	ntobc_m=mod(ntobc_b-2+itobc,itobc)+1
221	zjcnes_obc(nt_m)= ztcobc(ntobc_m)
222	# endif
223	zjcnes_obc(nt_b)= ztcobc(ntobc_b)
224	zjcnes_obc(nt_a)= ztcobc(ntobc_a)
225	ENDIF
226
227	! 3. interpolation at each time step
228	! ------------------------------------
229	IF( ln_obc_clim) THEN
230	znum= MOD(zjcnes - zjcnes_obc(nt_b), REAL(nyear_len(1),wp) )
231	IF( znum < 0 ) znum = znum + REAL(nyear_len(1),wp)
232	zden= MOD(zjcnes_obc(nt_a) - zjcnes_obc(nt_b), REAL(nyear_len(1),wp) )
233	IF( zden < 0 ) zden = zden + REAL(nyear_len(1),wp)
234	ELSE
235	znum= zjcnes - zjcnes_obc(nt_b)
236	zden= zjcnes_obc(nt_a) - zjcnes_obc(nt_b)
237	ENDIF
238	zxy = znum / zden
239
240	IF( lp_obc_east ) THEN
241	! fills sfoe, tfoe, ufoe ,vfoe
242	sfoe(:,:) = zxy * sedta (:,:,nt_a) + (1. - zxy)*sedta(:,:,nt_b)
243	tfoe(:,:) = zxy * tedta (:,:,nt_a) + (1. - zxy)*tedta(:,:,nt_b)
244	ufoe(:,:) = zxy * uedta (:,:,nt_a) + (1. - zxy)*uedta(:,:,nt_b)
245	vfoe(:,:) = zxy * vedta (:,:,nt_a) + (1. - zxy)*vedta(:,:,nt_b)
246	ENDIF
247
248	IF( lp_obc_west) THEN
249	! fills sfow, tfow, ufow ,vfow
250	sfow(:,:) = zxy * swdta (:,:,nt_a) + (1. - zxy)*swdta(:,:,nt_b)
251	tfow(:,:) = zxy * twdta (:,:,nt_a) + (1. - zxy)*twdta(:,:,nt_b)
252	ufow(:,:) = zxy * uwdta (:,:,nt_a) + (1. - zxy)*uwdta(:,:,nt_b)
253	vfow(:,:) = zxy * vwdta (:,:,nt_a) + (1. - zxy)*vwdta(:,:,nt_b)
254	ENDIF
255
256	IF( lp_obc_north) THEN
257	! fills sfon, tfon, ufon ,vfon
258	sfon(:,:) = zxy * sndta (:,:,nt_a) + (1. - zxy)*sndta(:,:,nt_b)
259	tfon(:,:) = zxy * tndta (:,:,nt_a) + (1. - zxy)*tndta(:,:,nt_b)
260	ufon(:,:) = zxy * undta (:,:,nt_a) + (1. - zxy)*undta(:,:,nt_b)
261	vfon(:,:) = zxy * vndta (:,:,nt_a) + (1. - zxy)*vndta(:,:,nt_b)
262	ENDIF
263
264	IF( lp_obc_south) THEN
265	! fills sfos, tfos, ufos ,vfos
266	sfos(:,:) = zxy * ssdta (:,:,nt_a) + (1. - zxy)*ssdta(:,:,nt_b)
267	tfos(:,:) = zxy * tsdta (:,:,nt_a) + (1. - zxy)*tsdta(:,:,nt_b)
268	ufos(:,:) = zxy * usdta (:,:,nt_a) + (1. - zxy)*usdta(:,:,nt_b)
269	vfos(:,:) = zxy * vsdta (:,:,nt_a) + (1. - zxy)*vsdta(:,:,nt_b)
270	ENDIF
271	END SUBROUTINE obc_dta
272
273
274	SUBROUTINE obc_dta_ini( kt )
275	!!-----------------------------------------------------------------------------
276	!! * SUBROUTINE obc_dta_ini *
277	!!
278	!! ** Purpose : When obc_dta first call, realize some data initialization
279	!!----------------------------------------------------------------------------
280	INTEGER, INTENT(in) :: kt ! ocean time-step index
281	!
282	INTEGER :: ji, jj ! dummy loop indices
283	INTEGER, SAVE :: immfile, iyyfile !
284
285	! variables for the julian day calculation
286	INTEGER :: iyear, imonth, iday
287	REAL(wp) :: zsec , zjulian, zjuliancnes
288
289	IF(lwp) WRITE(numout,*)
290	IF(lwp) WRITE(numout,*) 'obc_dta : find boundary data'
291	IF(lwp) WRITE(numout,*) '~~~~~~~'
292	IF (lwp) THEN
293	IF ( nobc_dta == 0 ) THEN
294	WRITE(numout,*) ' OBC data taken from initial conditions.'
295	ELSE
296	WRITE(numout,*) ' OBC data taken from netcdf files.'
297	ENDIF
298	ENDIF
299	nday_year0 = nday_year ! to remember the day when kt=nit000
300
301	sedta(:,:,:) = 0.e0 ; tedta(:,:,:) = 0.e0 ; uedta(:,:,:) = 0.e0 ; vedta(:,:,:) = 0.e0 ! East
302	swdta(:,:,:) = 0.e0 ; twdta(:,:,:) = 0.e0 ; uwdta(:,:,:) = 0.e0 ; vwdta(:,:,:) = 0.e0 ! West
303	sndta(:,:,:) = 0.e0 ; tndta(:,:,:) = 0.e0 ; undta(:,:,:) = 0.e0 ; vndta(:,:,:) = 0.e0 ! North
304	ssdta(:,:,:) = 0.e0 ; tsdta(:,:,:) = 0.e0 ; usdta(:,:,:) = 0.e0 ; vsdta(:,:,:) = 0.e0 ! South
305
306	sfoe(:,:) = 0.e0 ; tfoe(:,:) = 0.e0 ; ufoe(:,:) = 0.e0 ; vfoe(:,:) = 0.e0 ! East
307	sfow(:,:) = 0.e0 ; tfow(:,:) = 0.e0 ; ufow(:,:) = 0.e0 ; vfow(:,:) = 0.e0 ! West
308	sfon(:,:) = 0.e0 ; tfon(:,:) = 0.e0 ; ufon(:,:) = 0.e0 ; vfon(:,:) = 0.e0 ! North
309	sfos(:,:) = 0.e0 ; tfos(:,:) = 0.e0 ; ufos(:,:) = 0.e0 ; vfos(:,:) = 0.e0 ! South
310
311	IF (nobc_dta == 0 ) THEN ! boundary data are the initial data of this run (set only at nit000)
312	IF (lp_obc_east) THEN ! East
313	DO ji = nie0 , nie1
314	sfoe(nje0:nje1,:) = temsk(nje0:nje1,:) * sn (ji+1 , nje0:nje1 , :) * tmask(ji+1,nje0:nje1 , :)
315	tfoe(nje0:nje1,:) = temsk(nje0:nje1,:) * tn (ji+1 , nje0:nje1 , :) * tmask(ji+1,nje0:nje1 , :)
316	ufoe(nje0:nje1,:) = uemsk(nje0:nje1,:) * un (ji , nje0:nje1 , :) * umask(ji, nje0:nje1 , :)
317	vfoe(nje0:nje1,:) = vemsk(nje0:nje1,:) * vn (ji+1 , nje0:nje1 , :) * vmask(ji+1,nje0:nje1 , :)
318	END DO
319	ENDIF
320
321	IF (lp_obc_west) THEN ! West
322	DO ji = niw0 , niw1
323	sfow(njw0:njw1,:) = twmsk(njw0:njw1,:) * sn (ji , njw0:njw1 , :) * tmask(ji , njw0:njw1 , :)
324	tfow(njw0:njw1,:) = twmsk(njw0:njw1,:) * tn (ji , njw0:njw1 , :) * tmask(ji , njw0:njw1 , :)
325	ufow(njw0:njw1,:) = uwmsk(njw0:njw1,:) * un (ji , njw0:njw1 , :) * umask(ji , njw0:njw1 , :)
326	vfow(njw0:njw1,:) = vwmsk(njw0:njw1,:) * vn (ji , njw0:njw1 , :) * vmask(ji , njw0:njw1 , :)
327	END DO
328	ENDIF
329
330	IF (lp_obc_north) THEN ! North
331	DO jj = njn0 , njn1
332	sfon(nin0:nin1,:) = tnmsk(nin0:nin1,:) * sn (nin0:nin1 , jj+1 , :) * tmask(nin0:nin1 , jj+1 , :)
333	tfon(nin0:nin1,:) = tnmsk(nin0:nin1,:) * tn (nin0:nin1 , jj+1 , :) * tmask(nin0:nin1 , jj+1 , :)
334	ufon(nin0:nin1,:) = unmsk(nin0:nin1,:) * un (nin0:nin1 , jj+1 , :) * umask(nin0:nin1 , jj+1 , :)
335	vfon(nin0:nin1,:) = vnmsk(nin0:nin1,:) * vn (nin0:nin1 , jj , :) * vmask(nin0:nin1 , jj , :)
336	END DO
337	ENDIF
338
339	IF (lp_obc_south) THEN ! South
340	DO jj = njs0 , njs1
341	sfos(nis0:nis1,:) = tsmsk(nis0:nis1,:) * sn (nis0:nis1 , jj , :) * tmask(nis0:nis1 , jj , :)
342	tfos(nis0:nis1,:) = tsmsk(nis0:nis1,:) * tn (nis0:nis1 , jj , :) * tmask(nis0:nis1 , jj , :)
343	ufos(nis0:nis1,:) = usmsk(nis0:nis1,:) * un (nis0:nis1 , jj , :) * umask(nis0:nis1 , jj , :)
344	vfos(nis0:nis1,:) = vsmsk(nis0:nis1,:) * vn (nis0:nis1 , jj , :) * vmask(nis0:nis1 , jj , :)
345	END DO
346	ENDIF
347	RETURN ! exit the routine all is done
348	ENDIF ! nobc_dta = 0
349
350	!!!! In the following OBC data are read from files.
351	! all logical-mask are initialzed to true when declared
352	WHERE ( temsk == 0 ) ltemsk=.FALSE.
353	WHERE ( uemsk == 0 ) luemsk=.FALSE.
354	WHERE ( vemsk == 0 ) lvemsk=.FALSE.
355
356	WHERE ( twmsk == 0 ) ltwmsk=.FALSE.
357	WHERE ( uwmsk == 0 ) luwmsk=.FALSE.
358	WHERE ( vwmsk == 0 ) lvwmsk=.FALSE.
359
360	WHERE ( tnmsk == 0 ) ltnmsk=.FALSE.
361	WHERE ( unmsk == 0 ) lunmsk=.FALSE.
362	WHERE ( vnmsk == 0 ) lvnmsk=.FALSE.
363
364	WHERE ( tsmsk == 0 ) ltsmsk=.FALSE.
365	WHERE ( usmsk == 0 ) lusmsk=.FALSE.
366	WHERE ( vsmsk == 0 ) lvsmsk=.FALSE.
367
368	iyear=1950; imonth=01; iday=01; zsec=0.
369	! zjuliancnes : julian day corresonding to 01/01/1950
370	CALL ymds2ju(iyear, imonth, iday,zsec , zjuliancnes)
371
372	!current year and curent month
373	iyy=INT(ndastp/10000) ; imm=INT((ndastp -iyy10000)/100) ; idd=(ndastp-iyy10000-imm*100)
374	IF (iyy < 1900) iyy = iyy+1900 ! always assume that years are on 4 digits.
375	CALL ymds2ju(iyy, imm, idd ,zsec , zjulian)
376	ndate0_cnes = zjulian - zjuliancnes ! jcnes day when call to obc_dta_ini
377
378	iyyfile=iyy ; immfile=0 ! set component of the current file name
379	IF ( cffile /= 'annual') immfile=imm
380	IF ( ln_obc_clim) iyyfile = 0 ! assume that climatological files are labeled y0000
381
382	CALL obc_dta_chktime ( iyyfile, immfile )
383
384	IF ( itobc == 1 ) THEN
385	! in this case we will provide boundary data only once.
386	nt_a=1 ; ntobc_a=1
387	CALL obc_read (nit000, nt_a, ntobc_a, iyyfile, immfile)
388	IF( lp_obc_east ) THEN
389	! fills sfoe, tfoe, ufoe ,vfoe
390	sfoe(:,:) = sedta (:,:,1) ; tfoe(:,:) = tedta (:,:,1)
391	ufoe(:,:) = uedta (:,:,1) ; vfoe(:,:) = vedta (:,:,1)
392	ENDIF
393
394	IF( lp_obc_west) THEN
395	! fills sfow, tfow, ufow ,vfow
396	sfow(:,:) = swdta (:,:,1) ; tfow(:,:) = twdta (:,:,1)
397	ufow(:,:) = uwdta (:,:,1) ; vfow(:,:) = vwdta (:,:,1)
398	ENDIF
399
400	IF( lp_obc_north) THEN
401	! fills sfon, tfon, ufon ,vfon
402	sfon(:,:) = sndta (:,:,1) ; tfon(:,:) = tndta (:,:,1)
403	ufon(:,:) = undta (:,:,1) ; vfon(:,:) = vndta (:,:,1)
404	ENDIF
405
406	IF( lp_obc_south) THEN
407	! fills sfos, tfos, ufos ,vfos
408	sfos(:,:) = ssdta (:,:,1) ; tfos(:,:) = tsdta (:,:,1)
409	ufos(:,:) = usdta (:,:,1) ; vfos(:,:) = vsdta (:,:,1)
410	ENDIF
411	RETURN ! we go out of obc_dta_ini -------------------------------------->>>>>
412	ENDIF
413
414	! nday_year is the day number in the current year ( 1 for 01/01 )
415	! we suppose that we always start from the begining of a day
416	! zsec=MOD( (kt-nit000)rdt - (nday_year - nday_year0 )rday, rday ) ! number of seconds in the current day
417	zsec=0.e0 ! here, kt=nit000, nday_year = ndat_year0
418
419	IF (ln_obc_clim) THEN
420	zjcnes = nday_year - 1 + zsec/rday ! for clim file time is in days in a year
421	ELSE
422	zjcnes = ndate0_cnes + (nday_year - nday_year0 ) + zsec/rday
423	ENDIF
424
425	! look for 'before' record number in the current file
426	ntobc = nrecbef ()
427
428	IF (lwp) WRITE(numout,*) 'obc files frequency :',cffile
429	IF (lwp) WRITE(numout,*) ' zjcnes0 =',zjcnes,' ndastp0 =',ndastp
430	IF (lwp) WRITE(numout,*) ' annee0 ',iyy,' month0 ', imm,' day0 ', idd
431	IF (lwp) WRITE(numout,*) 'first file open :',cl_obc_nTS
432
433	! record initialisation
434	!--------------------
435	nt_b = 1 ; nt_a = 2
436
437	ntobc_a = ntobc + 1
438	ntobc_b = ntobc
439
440	CALL obc_read (kt, nt_b, ntobc_b, iyyfile, immfile) ! read 'before' fields
441	CALL obc_read (kt, nt_a, ntobc_a, iyyfile, immfile) ! read 'after' fields
442
443	! additional frame in case of time-splitting
444	# if defined key_dynspg_ts
445	nt_m = 0
446	ntobc_m=mod(ntobc_b-2+itobc,itobc)+1
447	zjcnes_obc(nt_m)= ztcobc(ntobc_m) ! FDbug has not checked that this is correct!!
448	IF (ln_rstart) THEN
449	CALL obc_read (kt, nt_m, ntobc_m, iyyfile, immfile) ! read 'after' fields
450	ENDIF
451	# endif
452
453	zjcnes_obc(nt_b)= ztcobc(ntobc_b)
454	zjcnes_obc(nt_a)= ztcobc(ntobc_a)
455	!
456	END SUBROUTINE obc_dta_ini
457
458
459	SUBROUTINE obc_dta_chktime (kyyfile, kmmfile)
460	!
461	! check the number of time steps in the files and read ztcobc
462	!
463	! * Arguments
464	INTEGER, INTENT(in) :: kyyfile, kmmfile
465	! * local variables
466	INTEGER :: istop ! error control
467	INTEGER :: ji ! dummy loop index
468
469	INTEGER :: idvar, id_e, id_w, id_n, id_s ! file identifiers
470	INTEGER, DIMENSION(1) :: itmp
471	CHARACTER(LEN=25) :: cl_vname
472
473	ntobc_a = 0; itobce =0 ; itobcw = 0; itobcn = 0; itobcs = 0
474	! build file name
475	IF(ln_obc_clim) THEN ! revert to old convention for climatological OBC forcing
476	cl_obc_eTS='obceast_TS.nc'
477	cl_obc_wTS='obcwest_TS.nc'
478	cl_obc_nTS='obcnorth_TS.nc'
479	cl_obc_sTS='obcsouth_TS.nc'
480	ELSE ! convention for climatological OBC
481	WRITE(cl_obc_eTS ,'("obc_east_TS_y",i4.4,"m",i2.2,".nc")' ) kyyfile,kmmfile
482	WRITE(cl_obc_wTS ,'("obc_west_TS_y",i4.4,"m",i2.2,".nc")' ) kyyfile,kmmfile
483	WRITE(cl_obc_nTS ,'("obc_north_TS_y",i4.4,"m",i2.2,".nc")' ) kyyfile,kmmfile
484	WRITE(cl_obc_sTS ,'("obc_south_TS_y",i4.4,"m",i2.2,".nc")' ) kyyfile,kmmfile
485	ENDIF
486
487	cl_vname = 'time_counter'
488	IF ( lp_obc_east ) THEN
489	CALL iom_open ( cl_obc_eTS , id_e )
490	idvar = iom_varid( id_e, cl_vname, kdimsz = itmp ); itobce=itmp(1)
491	ENDIF
492	IF ( lp_obc_west ) THEN
493	CALL iom_open ( cl_obc_wTS , id_w )
494	idvar = iom_varid( id_w, cl_vname, kdimsz = itmp ) ; itobcw=itmp(1)
495	ENDIF
496	IF ( lp_obc_north ) THEN
497	CALL iom_open ( cl_obc_nTS , id_n )
498	idvar = iom_varid( id_n, cl_vname, kdimsz = itmp ) ; itobcn=itmp(1)
499	ENDIF
500	IF ( lp_obc_south ) THEN
501	CALL iom_open ( cl_obc_sTS , id_s )
502	idvar = iom_varid( id_s, cl_vname, kdimsz = itmp ) ; itobcs=itmp(1)
503	ENDIF
504
505	itobc = MAX( itobce, itobcw, itobcn, itobcs )
506	istop = 0
507	IF ( lp_obc_east .AND. itobce /= itobc ) istop = istop+1
508	IF ( lp_obc_west .AND. itobcw /= itobc ) istop = istop+1
509	IF ( lp_obc_north .AND. itobcn /= itobc ) istop = istop+1
510	IF ( lp_obc_south .AND. itobcs /= itobc ) istop = istop+1
511	nstop = nstop + istop
512
513	IF ( istop /= 0 ) THEN
514	WRITE(ctmp1,*) ' east, west, north, south: ', itobce, itobcw, itobcn, itobcs
515	CALL ctl_stop( 'obcdta : all files must have the same number of time steps', ctmp1 )
516	ENDIF
517
518	IF ( itobc == 1 ) THEN
519	IF (lwp) THEN
520	WRITE(numout,*) ' obcdta found one time step only in the OBC files'
521	IF (ln_obc_clim) THEN
522	! OK no problem
523	ELSE
524	ln_obc_clim=.true.
525	WRITE(numout,*) ' we force ln_obc_clim to T'
526	ENDIF
527	ENDIF
528	ELSE
529	IF ( ALLOCATED(ztcobc) ) DEALLOCATE ( ztcobc )
530	ALLOCATE (ztcobc(itobc))
531	DO ji=1,1 ! use a dummy loop to read ztcobc only once
532	IF ( lp_obc_east ) THEN
533	CALL iom_gettime ( id_e, ztcobc, cl_vname ) ; CALL iom_close (id_e) ; EXIT
534	ENDIF
535	IF ( lp_obc_west ) THEN
536	CALL iom_gettime ( id_w, ztcobc, cl_vname ) ; CALL iom_close (id_w) ; EXIT
537	ENDIF
538	IF ( lp_obc_north ) THEN
539	CALL iom_gettime ( id_n, ztcobc, cl_vname ) ; CALL iom_close (id_n) ; EXIT
540	ENDIF
541	IF ( lp_obc_south ) THEN
542	CALL iom_gettime ( id_s, ztcobc, cl_vname ) ; CALL iom_close (id_s) ; EXIT
543	ENDIF
544	END DO
545	rdt_obc = ztcobc(2)-ztcobc(1) ! just an information, not used for any computation
546	IF (lwp) WRITE(numout,*) ' obcdta found', itobc,' time steps in the OBC files'
547	IF (lwp) WRITE(numout,*) ' time step of obc data :', rdt_obc,' days'
548	ENDIF
549	zjcnes = zjcnes - rdt/rday ! trick : zcnes is always incremented by rdt/rday in obc_dta!
550	END SUBROUTINE obc_dta_chktime
551
552	# if defined key_dynspg_ts \|\| defined key_dynspg_exp
553	SUBROUTINE obc_dta_bt( kt, kbt )
554	!!---------------------------------------------------------------------------
555	!! * SUBROUTINE obc_dta *
556	!!
557	!! ** Purpose : time interpolation of barotropic data for time-splitting scheme
558	!! Data at the boundary must be in m2/s
559	!!
560	!! History : 9.0 ! 05-11 (V. garnier) Original code
561	!!---------------------------------------------------------------------------
562	INTEGER, INTENT( in ) :: kt ! ocean time-step index
563	INTEGER, INTENT( in ) :: kbt ! barotropic ocean time-step index
564	!
565	INTEGER :: ji, jj ! dummy loop indices
566	INTEGER :: i15
567	INTEGER :: itobcm, itobcp
568	REAL(wp) :: zxy
569	INTEGER :: isrel ! number of seconds since 1/1/1992
570	!!---------------------------------------------------------------------------
571
572	! 1. First call: check time frames available in files.
573	! -------------------------------------------------------
574
575	IF( kt == nit000 ) THEN
576
577	! 1.1 Barotropic tangential velocities set to zero
578	! -------------------------------------------------
579	IF( lp_obc_east ) vbtfoe(:) = 0.e0
580	IF( lp_obc_west ) vbtfow(:) = 0.e0
581	IF( lp_obc_south ) ubtfos(:) = 0.e0
582	IF( lp_obc_north ) ubtfon(:) = 0.e0
583
584	! 1.2 Sea surface height and normal barotropic velocities set to zero
585	! or initial conditions if nobc_dta == 0
586	! --------------------------------------------------------------------
587
588	IF( lp_obc_east ) THEN
589	! initialisation to zero
590	sshedta(:,:) = 0.e0
591	ubtedta(:,:) = 0.e0
592	vbtedta(:,:) = 0.e0 ! tangential component
593	! ! ================== !
594	IF( nobc_dta == 0 ) THEN ! initial state used !
595	! ! ================== !
596	! Fills sedta, tedta, uedta (global arrays)
597	! Remark: this works for njzoom = 1. Should the definition of ij include njzoom?
598	DO ji = nie0, nie1
599	DO jj = 1, jpj
600	sshedta(jj,1) = sshn(ji+1,jj) * tmask(ji+1,jj,1)
601	END DO
602	END DO
603	ENDIF
604	ENDIF
605
606	IF( lp_obc_west) THEN
607	! initialisation to zero
608	sshwdta(:,:) = 0.e0
609	ubtwdta(:,:) = 0.e0
610	vbtwdta(:,:) = 0.e0 ! tangential component
611	! ! ================== !
612	IF( nobc_dta == 0 ) THEN ! initial state used !
613	! ! ================== !
614	! Fills swdta, twdta, uwdta (global arrays)
615	! Remark: this works for njzoom = 1. Should the definition of ij include njzoom?
616	DO ji = niw0, niw1
617	DO jj = 1, jpj
618	sshwdta(jj,1) = sshn(ji,jj) * tmask(ji,jj,1)
619	END DO
620	END DO
621	ENDIF
622	ENDIF
623
624	IF( lp_obc_north) THEN
625	! initialisation to zero
626	sshndta(:,:) = 0.e0
627	ubtndta(:,:) = 0.e0 ! tangential component
628	vbtndta(:,:) = 0.e0
629	! ! ================== !
630	IF( nobc_dta == 0 ) THEN ! initial state used !
631	! ! ================== !
632	! Fills sndta, tndta, vndta (global arrays)
633	! Remark: this works for njzoom = 1. Should the definition of ij include njzoom?
634	DO jj = njn0, njn1
635	DO ji = 1, jpi
636	sshndta(ji,1) = sshn(ji,jj+1) * tmask(ji,jj+1,1)
637	END DO
638	END DO
639	ENDIF
640	ENDIF
641
642	IF( lp_obc_south) THEN
643	! initialisation to zero
644	sshsdta(:,:) = 0.e0
645	ubtsdta(:,:) = 0.e0 ! tangential component
646	vbtsdta(:,:) = 0.e0
647	! ! ================== !
648	IF( nobc_dta == 0 ) THEN ! initial state used !
649	! ! ================== !
650	! Fills ssdta, tsdta, vsdta (global arrays)
651	! Remark: this works for njzoom = 1. Should the definition of ij include njzoom?
652	DO jj = njs0, njs1
653	DO ji = 1, jpi
654	sshsdta(ji,1) = sshn(ji,jj) * tmask(ji,jj,1)
655	END DO
656	END DO
657	ENDIF
658	ENDIF
659
660	IF( nobc_dta == 0 ) CALL obc_depth_average(1) ! depth averaged velocity from the OBC depth-dependent frames
661
662	ENDIF ! END kt == nit000
663
664	!!------------------------------------------------------------------------------------
665	! 2. Initialize the time we are at. Does this every time the routine is called,
666	! excepted when nobc_dta = 0
667	!
668
669	! 3. Call at every time step : Linear interpolation of BCs to current time step
670	! ----------------------------------------------------------------------
671
672	IF( lk_dynspg_ts ) THEN
673	isrel = (kt-1)rdt + kbt(rdt/REAL(nn_baro,wp))
674	ELSE IF( lk_dynspg_exp ) THEN
675	isrel=kt*rdt
676	ENDIF
677
678	itobcm = nt_b
679	itobcp = nt_a
680	IF( itobc == 1 .OR. nobc_dta == 0 ) THEN
681	zxy = 0.e0
682	itobcm = 1
683	itobcp = 1
684	ELSE IF( itobc == 12 ) THEN
685	i15 = nday / 16
686	zxy = FLOAT( nday + 15 - 30 * i15 ) / 30.
687	ELSE
688	zxy = (zjcnes_obc(nt_a)-FLOAT(isrel)) / (zjcnes_obc(nt_a)-zjcnes_obc(nt_b))
689	IF( zxy < 0. ) THEN ! case of extrapolation, switch to old time frames
690	itobcm = nt_m
691	itobcp = nt_b
692	zxy = (zjcnes_obc(nt_b)-FLOAT(isrel)) / (zjcnes_obc(nt_b)-zjcnes_obc(nt_m))
693	ENDIF
694	ENDIF
695
696	IF( lp_obc_east ) THEN ! fills sshfoe, ubtfoe (local to each processor)
697	DO jj = 1, jpj
698	sshfoe(jj) = zxy * sshedta(jj,itobcp) + (1.-zxy) * sshedta(jj,itobcm)
699	ubtfoe(jj) = zxy * ubtedta(jj,itobcp) + (1.-zxy) * ubtedta(jj,itobcm)
700	vbtfoe(jj) = zxy * vbtedta(jj,itobcp) + (1.-zxy) * vbtedta(jj,itobcm)
701	END DO
702	ENDIF
703
704	IF( lp_obc_west) THEN ! fills sshfow, ubtfow (local to each processor)
705	DO jj = 1, jpj
706	sshfow(jj) = zxy * sshwdta(jj,itobcp) + (1.-zxy) * sshwdta(jj,itobcm)
707	ubtfow(jj) = zxy * ubtwdta(jj,itobcp) + (1.-zxy) * ubtwdta(jj,itobcm)
708	vbtfow(jj) = zxy * vbtwdta(jj,itobcp) + (1.-zxy) * vbtwdta(jj,itobcm)
709	END DO
710	ENDIF
711
712	IF( lp_obc_north) THEN ! fills sshfon, vbtfon (local to each processor)
713	DO ji = 1, jpi
714	sshfon(ji) = zxy * sshndta(ji,itobcp) + (1.-zxy) * sshndta(ji,itobcm)
715	ubtfon(ji) = zxy * ubtndta(ji,itobcp) + (1.-zxy) * ubtndta(ji,itobcm)
716	vbtfon(ji) = zxy * vbtndta(ji,itobcp) + (1.-zxy) * vbtndta(ji,itobcm)
717	END DO
718	ENDIF
719
720	IF( lp_obc_south) THEN ! fills sshfos, vbtfos (local to each processor)
721	DO ji = 1, jpi
722	sshfos(ji) = zxy * sshsdta(ji,itobcp) + (1.-zxy) * sshsdta(ji,itobcm)
723	ubtfos(ji) = zxy * ubtsdta(ji,itobcp) + (1.-zxy) * ubtsdta(ji,itobcm)
724	vbtfos(ji) = zxy * vbtsdta(ji,itobcp) + (1.-zxy) * vbtsdta(ji,itobcm)
725	END DO
726	ENDIF
727
728	END SUBROUTINE obc_dta_bt
729
730	# else
731	!!-----------------------------------------------------------------------------
732	!! Default option
733	!!-----------------------------------------------------------------------------
734	SUBROUTINE obc_dta_bt ( kt, kbt ) ! Empty routine
735	!! * Arguments
736	INTEGER,INTENT(in) :: kt
737	INTEGER, INTENT( in ) :: kbt ! barotropic ocean time-step index
738	WRITE(,) 'obc_dta_bt: You should not have seen this print! error?', kt
739	WRITE(,) 'obc_dta_bt: You should not have seen this print! error?', kbt
740	END SUBROUTINE obc_dta_bt
741	# endif
742
743	SUBROUTINE obc_read (kt, nt_x, ntobc_x, iyy, imm)
744	!!-------------------------------------------------------------------------
745	!! * ROUTINE obc_read *
746	!!
747	!! ** Purpose : Read the boundary data in files identified by iyy and imm
748	!! According to the validated open boundaries, return the
749	!! following arrays :
750	!! sedta, tedta : East OBC salinity and temperature
751	!! uedta, vedta : " " u and v velocity component
752	!!
753	!! swdta, twdta : West OBC salinity and temperature
754	!! uwdta, vwdta : " " u and v velocity component
755	!!
756	!! sndta, tndta : North OBC salinity and temperature
757	!! undta, vndta : " " u and v velocity component
758	!!
759	!! ssdta, tsdta : South OBC salinity and temperature
760	!! usdta, vsdta : " " u and v velocity component
761	!!
762	!! ** Method : These fields are read in the record ntobc_x of the files.
763	!! The number of records is already known. If ntobc_x is greater
764	!! than the number of record, this routine will look for next file,
765	!! updating the indices (case of inter-annual obcs) or loop at the
766	!! begining in case of climatological file (ln_obc_clim = true ).
767	!! -------------------------------------------------------------------------
768	!! History: ! 2005 ( P. Mathiot, C. Langlais ) Original code
769	!! ! 2008 ( J,M, Molines ) Use IOM and cleaning
770	!!--------------------------------------------------------------------------
771
772	! * Arguments
773	INTEGER, INTENT( in ) :: kt, nt_x
774	INTEGER, INTENT( inout ) :: ntobc_x , iyy, imm ! yes ! inout !
775
776	! * Local variables
777	CHARACTER (len=40) :: & ! file names
778	cl_obc_eTS , cl_obc_eU, cl_obc_eV,&
779	cl_obc_wTS , cl_obc_wU, cl_obc_wV,&
780	cl_obc_nTS , cl_obc_nU, cl_obc_nV,&
781	cl_obc_sTS , cl_obc_sU, cl_obc_sV
782
783	INTEGER :: ikprint
784	REAL(wp) :: zmin, zmax ! control of boundary values
785
786	!IOM stuff
787	INTEGER :: id_e, id_w, id_n, id_s
788	INTEGER, DIMENSION(2) :: istart, icount
789
790	!--------------------------------------------------------------------------
791	IF ( ntobc_x > itobc ) THEN
792	IF (ln_obc_clim) THEN ! just loop on the same file
793	ntobc_x = 1
794	ELSE
795	! need to change file : it is always for an 'after' data
796	IF ( cffile == 'annual' ) THEN ! go to next year file
797	iyy = iyy + 1
798	ELSE IF ( cffile =='monthly' ) THEN ! go to next month file
799	imm = imm + 1
800	IF ( imm == 13 ) THEN
801	imm = 1 ; iyy = iyy + 1
802	ENDIF
803	ELSE
804	ctmp1='obcread : this type of obc file is not supported :( '
805	ctmp2=TRIM(cffile)
806	CALL ctl_stop (ctmp1, ctmp2)
807	! cffile should be either annual or monthly ...
808	ENDIF
809	! as the file is changed, need to update itobc etc ...
810	CALL obc_dta_chktime (iyy,imm)
811	ntobc_x = nrecbef() + 1 ! remember : this case occur for an after data
812	ENDIF
813	ENDIF
814
815	IF( lp_obc_east ) THEN
816	! ... Read datafile and set temperature, salinity and normal velocity
817	! ... initialise the sedta, tedta, uedta arrays
818	IF(ln_obc_clim) THEN ! revert to old convention for climatological OBC forcing
819	cl_obc_eTS='obceast_TS.nc'
820	cl_obc_eU ='obceast_U.nc'
821	cl_obc_eV ='obceast_V.nc'
822	ELSE ! convention for climatological OBC
823	WRITE(cl_obc_eTS ,'("obc_east_TS_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
824	WRITE(cl_obc_eU ,'("obc_east_U_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
825	WRITE(cl_obc_eV ,'("obc_east_V_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
826	ENDIF
827	! JMM this may change depending on the obc data format ...
828	istart(:)=(/nje0+njmpp-1,1/) ; icount(:)=(/nje1-nje0 +1,jpk/)
829	IF (lwp) WRITE(numout,*) 'read data in :', TRIM(cl_obc_eTS)
830	IF (nje1 >= nje0 ) THEN
831	CALL iom_open ( cl_obc_eTS , id_e )
832	CALL iom_get ( id_e, jpdom_unknown, 'votemper', tedta(nje0:nje1,:,nt_x), &
833	& ktime=ntobc_x , kstart=istart, kcount= icount )
834	CALL iom_get ( id_e, jpdom_unknown, 'vosaline', sedta(nje0:nje1,:,nt_x), &
835	& ktime=ntobc_x , kstart=istart, kcount= icount )
836	# if defined key_dynspg_ts \|\| defined key_dynspg_exp
837	CALL iom_get ( id_e, jpdom_unknown, 'vossurfh', sshedta(nje0:nje1,nt_x), &
838	& ktime=ntobc_x , kstart=istart, kcount= icount )
839	# endif
840	CALL iom_close (id_e)
841	!
842	CALL iom_open ( cl_obc_eU , id_e )
843	CALL iom_get ( id_e, jpdom_unknown, 'vozocrtx', uedta(nje0:nje1,:,nt_x), &
844	& ktime=ntobc_x , kstart=istart, kcount= icount )
845	CALL iom_close ( id_e )
846	!
847	CALL iom_open ( cl_obc_eV , id_e )
848	CALL iom_get ( id_e, jpdom_unknown, 'vomecrty', vedta(nje0:nje1,:,nt_x), &
849	& ktime=ntobc_x , kstart=istart, kcount= icount )
850	CALL iom_close ( id_e )
851
852	! mask the boundary values
853	tedta(:,:,nt_x) = tedta(:,:,nt_x)temsk(:,:) ; sedta(:,:,nt_x) = sedta(:,:,nt_x)temsk(:,:)
854	uedta(:,:,nt_x) = uedta(:,:,nt_x)uemsk(:,:) ; vedta(:,:,nt_x) = vedta(:,:,nt_x)vemsk(:,:)
855
856	! check any outliers
857	zmin=MINVAL( sedta(:,:,nt_x), mask=ltemsk ) ; zmax=MAXVAL(sedta(:,:,nt_x), mask=ltemsk)
858	IF ( zmin < 5 .OR. zmax > 50) THEN
859	CALL ctl_stop('Error in sedta',' routine obcdta')
860	ENDIF
861	zmin=MINVAL( tedta(:,:,nt_x), mask=ltemsk ) ; zmax=MAXVAL(tedta(:,:,nt_x), mask=ltemsk)
862	IF ( zmin < -10. .OR. zmax > 40) THEN
863	CALL ctl_stop('Error in tedta',' routine obcdta')
864	ENDIF
865	zmin=MINVAL( uedta(:,:,nt_x), mask=luemsk ) ; zmax=MAXVAL(uedta(:,:,nt_x), mask=luemsk)
866	IF ( zmin < -5. .OR. zmax > 5.) THEN
867	CALL ctl_stop('Error in uedta',' routine obcdta')
868	ENDIF
869	zmin=MINVAL( vedta(:,:,nt_x), mask=lvemsk ) ; zmax=MAXVAL(vedta(:,:,nt_x), mask=lvemsk)
870	IF ( zmin < -5. .OR. zmax > 5.) THEN
871	CALL ctl_stop('Error in vedta',' routine obcdta')
872	ENDIF
873
874	! Usually printout is done only once at kt = nit000, unless nprint (namelist) > 1
875	IF ( lwp .AND. ( kt == nit000 .OR. nprint /= 0 ) ) THEN
876	WRITE(numout,*)
877	WRITE(numout,*) ' Read East OBC data records ', ntobc_x
878	ikprint = jpj/20 +1
879	WRITE(numout,*) ' Temperature record 1 - printout every 3 level'
880	CALL prihre( tedta(:,:,nt_x), jpj, jpk, 1, jpj, ikprint, jpk, 1, -3, 1., numout )
881	WRITE(numout,*)
882	WRITE(numout,*) ' Salinity record 1 - printout every 3 level'
883	CALL prihre( sedta(:,:,nt_x), jpj, jpk, 1, jpj, ikprint, jpk, 1, -3, 1., numout )
884	WRITE(numout,*)
885	WRITE(numout,*) ' Normal velocity U record 1 - printout every 3 level'
886	CALL prihre( uedta(:,:,nt_x), jpj, jpk, 1, jpj, ikprint, jpk, 1, -3, 1., numout )
887	WRITE(numout,*)
888	WRITE(numout,*) ' Tangential velocity V record 1 - printout every 3 level'
889	CALL prihre( vedta(:,:,nt_x), jpj, jpk, 1, jpj, ikprint, jpk, 1, -3, 1., numout )
890	ENDIF
891	ENDIF
892	ENDIF
893	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
894	IF ( lp_obc_west ) THEN
895	! ... Read datafile and set temperature, salinity and normal velocity
896	! ... initialise the swdta, twdta, uwdta arrays
897	IF (ln_obc_clim) THEN ! revert to old convention for climatological OBC forcing
898	cl_obc_wTS='obcwest_TS.nc'
899	cl_obc_wU ='obcwest_U.nc'
900	cl_obc_wV ='obcwest_V.nc'
901	ELSE ! convention for climatological OBC
902	WRITE(cl_obc_wTS ,'("obc_west_TS_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
903	WRITE(cl_obc_wU ,'("obc_west_U_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
904	WRITE(cl_obc_wV ,'("obc_west_V_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
905	ENDIF
906	istart(:)=(/njw0+njmpp-1,1/) ; icount(:)=(/njw1-njw0 +1,jpk/)
907	IF (lwp) WRITE(numout,*) 'read data in :', TRIM(cl_obc_wTS)
908
909	IF ( njw1 >= njw0 ) THEN
910	CALL iom_open ( cl_obc_wTS , id_w )
911	CALL iom_get ( id_w, jpdom_unknown, 'votemper', twdta(njw0:njw1,:,nt_x), &
912	& ktime=ntobc_x , kstart=istart, kcount= icount )
913
914	CALL iom_get ( id_w, jpdom_unknown, 'vosaline', swdta(njw0:njw1,:,nt_x), &
915	& ktime=ntobc_x , kstart=istart, kcount= icount)
916	# if defined key_dynspg_ts \|\| defined key_dynspg_exp
917	CALL iom_get ( id_w, jpdom_unknown, 'vossurfh', sshwdta(njw0:njw1,nt_x), &
918	& ktime=ntobc_x , kstart=istart, kcount= icount )
919	# endif
920	CALL iom_close (id_w)
921	!
922	CALL iom_open ( cl_obc_wU , id_w )
923	CALL iom_get ( id_w, jpdom_unknown, 'vozocrtx', uwdta(njw0:njw1,:,nt_x),&
924	& ktime=ntobc_x , kstart=istart, kcount= icount )
925	CALL iom_close ( id_w )
926	!
927	CALL iom_open ( cl_obc_wV , id_w )
928	CALL iom_get ( id_w, jpdom_unknown, 'vomecrty', vwdta(njw0:njw1,:,nt_x), &
929	& ktime=ntobc_x , kstart=istart, kcount= icount )
930	CALL iom_close ( id_w )
931
932	! mask the boundary values
933	twdta(:,:,nt_x) = twdta(:,:,nt_x)twmsk(:,:) ; swdta(:,:,nt_x) = swdta(:,:,nt_x)twmsk(:,:)
934	uwdta(:,:,nt_x) = uwdta(:,:,nt_x)uwmsk(:,:) ; vwdta(:,:,nt_x) = vwdta(:,:,nt_x)vwmsk(:,:)
935
936	! check any outliers
937	zmin=MINVAL( swdta(:,:,nt_x), mask=ltwmsk ) ; zmax=MAXVAL(swdta(:,:,nt_x), mask=ltwmsk)
938	IF ( zmin < 5 .OR. zmax > 50) THEN
939	CALL ctl_stop('Error in swdta',' routine obcdta')
940	ENDIF
941	zmin=MINVAL( twdta(:,:,nt_x), mask=ltwmsk ) ; zmax=MAXVAL(twdta(:,:,nt_x), mask=ltwmsk)
942	IF ( zmin < -10. .OR. zmax > 40) THEN
943	CALL ctl_stop('Error in twdta',' routine obcdta')
944	ENDIF
945	zmin=MINVAL( uwdta(:,:,nt_x), mask=luwmsk ) ; zmax=MAXVAL(uwdta(:,:,nt_x), mask=luwmsk)
946	IF ( zmin < -5. .OR. zmax > 5.) THEN
947	CALL ctl_stop('Error in uwdta',' routine obcdta')
948	ENDIF
949	zmin=MINVAL( vwdta(:,:,nt_x), mask=lvwmsk ) ; zmax=MAXVAL(vwdta(:,:,nt_x), mask=lvwmsk)
950	IF ( zmin < -5. .OR. zmax > 5.) THEN
951	CALL ctl_stop('Error in vwdta',' routine obcdta')
952	ENDIF
953
954
955	IF ( lwp .AND. ( kt == nit000 .OR. nprint /= 0 ) ) THEN
956	WRITE(numout,*)
957	WRITE(numout,*) ' Read West OBC data records ', ntobc_x
958	ikprint = jpj/20 +1
959	WRITE(numout,*) ' Temperature record 1 - printout every 3 level'
960	CALL prihre( twdta(:,:,nt_x), jpj, jpk, 1, jpj, ikprint, jpk, 1, -3, 1., numout )
961	WRITE(numout,*)
962	WRITE(numout,*) ' Salinity record 1 - printout every 3 level'
963	CALL prihre( swdta(:,:,nt_x),jpj,jpk, 1, jpj, ikprint, jpk, 1, -3, 1., numout )
964	WRITE(numout,*)
965	WRITE(numout,*) ' Normal velocity U record 1 - printout every 3 level'
966	CALL prihre( uwdta(:,:,nt_x), jpj, jpk, 1, jpj, ikprint, jpk, 1, -3, 1., numout )
967	WRITE(numout,*)
968	WRITE(numout,*) ' Tangential velocity V record 1 - printout every 3 level'
969	CALL prihre( vwdta(:,:,nt_x), jpj, jpk, 1, jpj, ikprint, jpk, 1, -3, 1., numout )
970	ENDIF
971	END IF
972	ENDIF
973	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
974	IF( lp_obc_north) THEN
975	IF(ln_obc_clim) THEN ! revert to old convention for climatological OBC forcing
976	cl_obc_nTS='obcnorth_TS.nc'
977	cl_obc_nU ='obcnorth_U.nc'
978	cl_obc_nV ='obcnorth_V.nc'
979	ELSE ! convention for climatological OBC
980	WRITE(cl_obc_nTS ,'("obc_north_TS_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
981	WRITE(cl_obc_nV ,'("obc_north_V_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
982	WRITE(cl_obc_nU ,'("obc_north_U_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
983	ENDIF
984	istart(:)=(/nin0+nimpp-1,1/) ; icount(:)=(/nin1-nin0 +1,jpk/)
985	IF (lwp) WRITE(numout,*) 'read data in :', TRIM(cl_obc_nTS)
986	IF ( nin1 >= nin0 ) THEN
987	CALL iom_open ( cl_obc_nTS , id_n )
988	CALL iom_get ( id_n, jpdom_unknown, 'votemper', tndta(nin0:nin1,:,nt_x), &
989	& ktime=ntobc_x , kstart=istart, kcount= icount )
990	CALL iom_get ( id_n, jpdom_unknown, 'vosaline', sndta(nin0:nin1,:,nt_x), &
991	& ktime=ntobc_x , kstart=istart, kcount= icount )
992	# if defined key_dynspg_ts \|\| defined key_dynspg_exp
993	CALL iom_get ( id_n, jpdom_unknown, 'vossurfh', sshndta(nin0:nin1,nt_x), &
994	& ktime=ntobc_x , kstart=istart, kcount= icount )
995	# endif
996	CALL iom_close (id_n)
997	!
998	CALL iom_open ( cl_obc_nU , id_n )
999	CALL iom_get ( id_n, jpdom_unknown, 'vozocrtx', undta(nin0:nin1,:,nt_x), &
1000	& ktime=ntobc_x , kstart=istart, kcount= icount )
1001	CALL iom_close ( id_n )
1002	!
1003	CALL iom_open ( cl_obc_nV , id_n )
1004	CALL iom_get ( id_n, jpdom_unknown, 'vomecrty', vndta(nin0:nin1,:,nt_x), &
1005	& ktime=ntobc_x , kstart=istart, kcount= icount )
1006	CALL iom_close ( id_n )
1007
1008	! mask the boundary values
1009	tndta(:,:,nt_x) = tndta(:,:,nt_x)tnmsk(:,:) ; sndta(:,:,nt_x) = sndta(:,:,nt_x)tnmsk(:,:)
1010	undta(:,:,nt_x) = undta(:,:,nt_x)unmsk(:,:) ; vndta(:,:,nt_x) = vndta(:,:,nt_x)vnmsk(:,:)
1011
1012	! check any outliers
1013	zmin=MINVAL( sndta(:,:,nt_x), mask=ltnmsk ) ; zmax=MAXVAL(sndta(:,:,nt_x), mask=ltnmsk)
1014	IF ( zmin < 5 .OR. zmax > 50) THEN
1015	CALL ctl_stop('Error in sndta',' routine obcdta')
1016	ENDIF
1017	zmin=MINVAL( tndta(:,:,nt_x), mask=ltnmsk ) ; zmax=MAXVAL(tndta(:,:,nt_x), mask=ltnmsk)
1018	IF ( zmin < -10. .OR. zmax > 40) THEN
1019	CALL ctl_stop('Error in tndta',' routine obcdta')
1020	ENDIF
1021	zmin=MINVAL( undta(:,:,nt_x), mask=lunmsk ) ; zmax=MAXVAL(undta(:,:,nt_x), mask=lunmsk)
1022	IF ( zmin < -5. .OR. zmax > 5.) THEN
1023	CALL ctl_stop('Error in undta',' routine obcdta')
1024	ENDIF
1025	zmin=MINVAL( vndta(:,:,nt_x), mask=lvnmsk ) ; zmax=MAXVAL(vndta(:,:,nt_x), mask=lvnmsk)
1026	IF ( zmin < -5. .OR. zmax > 5.) THEN
1027	CALL ctl_stop('Error in vndta',' routine obcdta')
1028	ENDIF
1029
1030	IF ( lwp .AND. ( kt == nit000 .OR. nprint /= 0 ) ) THEN
1031	WRITE(numout,*)
1032	WRITE(numout,*) ' Read North OBC data records ', ntobc_x
1033	ikprint = jpi/20 +1
1034	WRITE(numout,*) ' Temperature record 1 - printout every 3 level'
1035	CALL prihre( tndta(:,:,nt_x), jpi, jpk, 1, jpi, ikprint, jpk, 1, -3, 1., numout )
1036	WRITE(numout,*)
1037	WRITE(numout,*) ' Salinity record 1 - printout every 3 level'
1038	CALL prihre( sndta(:,:,nt_x), jpi, jpk, 1, jpi, ikprint, jpk, 1, -3, 1., numout )
1039	WRITE(numout,*)
1040	WRITE(numout,*) ' Normal velocity V record 1 - printout every 3 level'
1041	CALL prihre( vndta(:,:,nt_x), jpi, jpk, 1, jpi, ikprint, jpk, 1, -3, 1., numout )
1042	WRITE(numout,*)
1043	WRITE(numout,*) ' Tangential velocity U record 1 - printout every 3 level'
1044	CALL prihre( undta(:,:,nt_x), jpi, jpk, 1, jpi, ikprint, jpk, 1, -3, 1., numout )
1045	ENDIF
1046	ENDIF
1047	ENDIF
1048	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1049	IF( lp_obc_south) THEN
1050	IF(ln_obc_clim) THEN ! revert to old convention for climatological OBC forcing
1051	cl_obc_sTS='obcsouth_TS.nc'
1052	cl_obc_sU ='obcsouth_U.nc'
1053	cl_obc_sV ='obcsouth_V.nc'
1054	ELSE ! convention for climatological OBC
1055	WRITE(cl_obc_sTS ,'("obc_south_TS_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
1056	WRITE(cl_obc_sV ,'("obc_south_V_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
1057	WRITE(cl_obc_sU ,'("obc_south_U_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
1058	ENDIF
1059	istart(:)=(/nis0+nimpp-1,1/) ; icount(:)=(/nis1-nis0 +1,jpk/)
1060	IF (lwp) WRITE(numout,*) 'read data in :', TRIM(cl_obc_sTS)
1061	IF ( nis1 >= nis0 ) THEN
1062	CALL iom_open ( cl_obc_sTS , id_s )
1063	CALL iom_get ( id_s, jpdom_unknown, 'votemper', tsdta(nis0:nis1,:,nt_x), &
1064	& ktime=ntobc_x , kstart=istart, kcount= icount )
1065	CALL iom_get ( id_s, jpdom_unknown, 'vosaline', ssdta(nis0:nis1,:,nt_x), &
1066	& ktime=ntobc_x , kstart=istart, kcount= icount )
1067	# if defined key_dynspg_ts \|\| defined key_dynspg_exp
1068	CALL iom_get ( id_s, jpdom_unknown, 'vossurfh', sshsdta(nis0:nis1,nt_x), &
1069	& ktime=ntobc_x , kstart=istart, kcount= icount )
1070	# endif
1071	CALL iom_close (id_s)
1072	!
1073	CALL iom_open ( cl_obc_sU , id_s )
1074	CALL iom_get ( id_s, jpdom_unknown, 'vozocrtx', usdta(nis0:nis1,:,nt_x), &
1075	& ktime=ntobc_x , kstart=istart, kcount= icount )
1076	CALL iom_close ( id_s )
1077	!
1078	CALL iom_open ( cl_obc_sV , id_s )
1079	CALL iom_get ( id_s, jpdom_unknown, 'vomecrty', vsdta(nis0:nis1,:,nt_x), &
1080	& ktime=ntobc_x , kstart=istart, kcount= icount )
1081	CALL iom_close ( id_s )
1082
1083	! mask the boundary values
1084	tsdta(:,:,nt_x) = tsdta(:,:,nt_x)tsmsk(:,:) ; ssdta(:,:,nt_x) = ssdta(:,:,nt_x)tsmsk(:,:)
1085	usdta(:,:,nt_x) = usdta(:,:,nt_x)usmsk(:,:) ; vsdta(:,:,nt_x) = vsdta(:,:,nt_x)vsmsk(:,:)
1086
1087	! check any outliers
1088	zmin=MINVAL( ssdta(:,:,nt_x), mask=ltsmsk ) ; zmax=MAXVAL(ssdta(:,:,nt_x), mask=ltsmsk)
1089	IF ( zmin < 5 .OR. zmax > 50) THEN
1090	CALL ctl_stop('Error in ssdta',' routine obcdta')
1091	ENDIF
1092	zmin=MINVAL( tsdta(:,:,nt_x), mask=ltsmsk ) ; zmax=MAXVAL(tsdta(:,:,nt_x), mask=ltsmsk)
1093	IF ( zmin < -10. .OR. zmax > 40) THEN
1094	CALL ctl_stop('Error in tsdta',' routine obcdta')
1095	ENDIF
1096	zmin=MINVAL( usdta(:,:,nt_x), mask=lusmsk ) ; zmax=MAXVAL(usdta(:,:,nt_x), mask=lusmsk)
1097	IF ( zmin < -5. .OR. zmax > 5.) THEN
1098	CALL ctl_stop('Error in usdta',' routine obcdta')
1099	ENDIF
1100	zmin=MINVAL( vsdta(:,:,nt_x), mask=lvsmsk ) ; zmax=MAXVAL(vsdta(:,:,nt_x), mask=lvsmsk)
1101	IF ( zmin < -5. .OR. zmax > 5.) THEN
1102	CALL ctl_stop('Error in vsdta',' routine obcdta')
1103	ENDIF
1104
1105	IF ( lwp .AND. ( kt == nit000 .OR. nprint /= 0 ) ) THEN
1106	WRITE(numout,*)
1107	WRITE(numout,*) ' Read South OBC data records ', ntobc_x
1108	ikprint = jpi/20 +1
1109	WRITE(numout,*) ' Temperature record 1 - printout every 3 level'
1110	CALL prihre( tsdta(:,:,nt_x), jpi, jpk, 1, jpi, ikprint, jpk, 1, -3, 1., numout )
1111	WRITE(numout,*)
1112	WRITE(numout,*) ' Salinity record 1 - printout every 3 level'
1113	CALL prihre( ssdta(:,:,nt_x), jpi, jpk, 1, jpi, ikprint, jpk, 1, -3, 1., numout )
1114	WRITE(numout,*)
1115	WRITE(numout,*) ' Normal velocity V record 1 - printout every 3 level'
1116	CALL prihre( vsdta(:,:,nt_x), jpi, jpk, 1, jpi, ikprint, jpk, 1, -3, 1., numout )
1117	WRITE(numout,*)
1118	WRITE(numout,*) ' Tangential velocity U record 1 - printout every 3 level'
1119	CALL prihre( usdta(:,:,nt_x), jpi, jpk, 1, jpi, ikprint, jpk, 1, -3, 1., numout )
1120	ENDIF
1121	ENDIF
1122	ENDIF
1123
1124	# if defined key_dynspg_ts \|\| defined key_dynspg_exp
1125	CALL obc_depth_average(nt_x) ! computation of depth-averaged velocity
1126	# endif
1127
1128	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1129	END SUBROUTINE obc_read
1130
1131
1132	INTEGER FUNCTION nrecbef()
1133	!!-----------------------------------------------------------------------
1134	!! * FUNCTION nrecbef *
1135	!!
1136	!! Purpose : - provide the before record number in files, with respect to zjcnes
1137	!!
1138	!! History : 2008-04 : ( J.M. Molines ) Original code
1139	!!-----------------------------------------------------------------------
1140
1141	INTEGER :: it , idum
1142
1143	idum = itobc
1144	DO it =1, itobc
1145	IF ( ztcobc(it) > zjcnes ) THEN ; idum = it - 1 ; EXIT ; ENDIF
1146	ENDDO
1147	! idum can be 0 (climato, before first record)
1148	IF ( idum == 0 ) THEN
1149	IF ( ln_obc_clim ) THEN
1150	idum = itobc
1151	ELSE
1152	ctmp1='obc_dta: find ntobc == 0 for non climatological file '
1153	ctmp2='consider adding a first record in your data file '
1154	CALL ctl_stop(ctmp1, ctmp2)
1155	ENDIF
1156	ENDIF
1157	! idum can be itobc ( zjcnes > ztcobc (itobc) )
1158	! This is not a problem ...
1159	nrecbef = idum
1160
1161	END FUNCTION nrecbef
1162
1163
1164	SUBROUTINE obc_depth_average(nt_x)
1165	!!-----------------------------------------------------------------------
1166	!! * ROUTINE obc_depth_average *
1167	!!
1168	!! Purpose : - compute the depth-averaged velocity from depth-dependent OBC frames
1169	!!
1170	!! History : 2009-01 : ( Fred Dupont ) Original code
1171	!!-----------------------------------------------------------------------
1172
1173	! * Arguments
1174	INTEGER, INTENT( in ) :: nt_x
1175
1176	! * Local variables
1177	INTEGER :: ji, jj, jk
1178
1179
1180	IF( lp_obc_east ) THEN
1181	! initialisation to zero
1182	ubtedta(:,nt_x) = 0.e0
1183	vbtedta(:,nt_x) = 0.e0
1184	DO ji = nie0, nie1
1185	DO jj = 1, jpj
1186	DO jk = 1, jpkm1
1187	ubtedta(jj,nt_x) = ubtedta(jj,nt_x) + uedta(jj,jk,nt_x)*fse3u(ji,jj,jk)
1188	vbtedta(jj,nt_x) = vbtedta(jj,nt_x) + vedta(jj,jk,nt_x)*fse3v(ji+1,jj,jk)
1189	END DO
1190	END DO
1191	END DO
1192	ENDIF
1193
1194	IF( lp_obc_west) THEN
1195	! initialisation to zero
1196	ubtwdta(:,nt_x) = 0.e0
1197	vbtwdta(:,nt_x) = 0.e0
1198	DO ji = niw0, niw1
1199	DO jj = 1, jpj
1200	DO jk = 1, jpkm1
1201	ubtwdta(jj,nt_x) = ubtwdta(jj,nt_x) + uwdta(jj,jk,1)*fse3u(ji,jj,jk)
1202	vbtwdta(jj,nt_x) = vbtwdta(jj,nt_x) + vwdta(jj,jk,1)*fse3v(ji,jj,jk)
1203	END DO
1204	END DO
1205	END DO
1206	ENDIF
1207
1208	IF( lp_obc_north) THEN
1209	! initialisation to zero
1210	ubtndta(:,nt_x) = 0.e0
1211	vbtndta(:,nt_x) = 0.e0
1212	DO jj = njn0, njn1
1213	DO ji = 1, jpi
1214	DO jk = 1, jpkm1
1215	ubtndta(ji,nt_x) = ubtndta(ji,nt_x) + undta(ji,jk,nt_x)*fse3u(ji,jj+1,jk)
1216	vbtndta(ji,nt_x) = vbtndta(ji,nt_x) + vndta(ji,jk,nt_x)*fse3v(ji,jj,jk)
1217	END DO
1218	END DO
1219	END DO
1220	ENDIF
1221
1222	IF( lp_obc_south) THEN
1223	! initialisation to zero
1224	ubtsdta(:,nt_x) = 0.e0
1225	vbtsdta(:,nt_x) = 0.e0
1226	DO jj = njs0, njs1
1227	DO ji = nis0, nis1
1228	DO jk = 1, jpkm1
1229	ubtsdta(ji,nt_x) = ubtsdta(ji,nt_x) + usdta(ji,jk,nt_x)*fse3u(ji,jj,jk)
1230	vbtsdta(ji,nt_x) = vbtsdta(ji,nt_x) + vsdta(ji,jk,nt_x)*fse3v(ji,jj,jk)
1231	END DO
1232	END DO
1233	END DO
1234	ENDIF
1235
1236	END SUBROUTINE obc_depth_average
1237
1238	#else
1239	!!------------------------------------------------------------------------------
1240	!! default option: Dummy module NO Open Boundary Conditions
1241	!!------------------------------------------------------------------------------
1242	CONTAINS
1243	SUBROUTINE obc_dta( kt ) ! Dummy routine
1244	INTEGER, INTENT (in) :: kt
1245	WRITE(,) 'obc_dta: You should not have seen this print! error?', kt
1246	END SUBROUTINE obc_dta
1247	#endif
1248	!!==============================================================================
1249	END MODULE obcdta

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