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obcdta.F90 in tags/nemo_v3_2/nemo_v3_2/NEMO/OPA_SRC/OBC – NEMO

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source: tags/nemo_v3_2/nemo_v3_2/NEMO/OPA_SRC/OBC/obcdta.F90 @ 1878

Last change on this file since 1878 was 1878, checked in by flavoni, 14 years ago
initial test for nemogcm
File size: 57.8 KB

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1	MODULE obcdta
2	!!==============================================================================
3	!! * MODULE obcdta *
4	!! Open boundary data : read the data for the open boundaries.
5	!!==============================================================================
6	#if defined key_obc
7	!!------------------------------------------------------------------------------
8	!! 'key_obc' : Open Boundary Conditions
9	!!------------------------------------------------------------------------------
10	!! obc_dta : read u, v, t, s data along each open boundary
11	!!------------------------------------------------------------------------------
12	!! * Modules used
13	USE oce ! ocean dynamics and tracers
14	USE dom_oce ! ocean space and time domain
15	USE lbclnk ! ocean lateral boundary conditions (or mpp link)
16	USE phycst ! physical constants
17	USE obc_oce ! ocean open boundary conditions
18	USE in_out_manager ! I/O logical units
19	USE lib_mpp ! distributed memory computing
20	USE dynspg_oce
21	USE ioipsl ! now only for ymds2ju function
22	USE iom !
23
24	IMPLICIT NONE
25	PRIVATE
26
27	!! * Accessibility
28	PUBLIC obc_dta ! routines called by step.F90
29	PUBLIC obc_dta_bt ! routines called by dynspg_ts.F90
30
31	!! * Shared module variables
32	REAL(wp), DIMENSION(2) :: zjcnes_obc !
33	REAL(wp), DIMENSION(:), ALLOCATABLE :: ztcobc
34	REAL(wp) :: rdt_obc
35	REAL(wp) :: zjcnes
36	INTEGER :: imm0, iyy0, idd0, iyy, imm, idd
37	INTEGER :: nt_a=2, nt_b=1, itobc, ndate0_cnes, nday_year0
38	INTEGER :: itobce, itobcw, itobcs, itobcn, itobc_b ! number of time steps in OBC files
39
40	INTEGER :: &
41	ntobc , & !: where we are in the obc file
42	ntobc_b , & !: first record used
43	ntobc_a !: second record used
44
45	CHARACTER (len=40) :: & ! name of data files
46	cl_obc_eTS , cl_obc_eU, &
47	cl_obc_wTS , cl_obc_wU, &
48	cl_obc_nTS , cl_obc_nV, &
49	cl_obc_sTS , cl_obc_sV
50
51	! arrays used for interpolating time dependent data on the boundaries
52	REAL(wp), DIMENSION(jpj,jpk,jptobc) :: uedta, vedta, tedta, sedta ! East
53	REAL(wp), DIMENSION(jpj,jpk,jptobc) :: uwdta, vwdta, twdta, swdta ! West
54	REAL(wp), DIMENSION(jpi,jpk,jptobc) :: undta, vndta, tndta, sndta ! North
55	REAL(wp), DIMENSION(jpi,jpk,jptobc) :: usdta, vsdta, tsdta, ssdta ! South
56
57	LOGICAL, DIMENSION (jpj,jpk ) :: ltemsk=.TRUE., luemsk=.TRUE., lvemsk=.TRUE. ! boolean msks
58	LOGICAL, DIMENSION (jpj,jpk ) :: ltwmsk=.TRUE., luwmsk=.TRUE., lvwmsk=.TRUE. ! used for outliers
59	LOGICAL, DIMENSION (jpi,jpk ) :: ltnmsk=.TRUE., lunmsk=.TRUE., lvnmsk=.TRUE. ! checks
60	LOGICAL, DIMENSION (jpi,jpk ) :: ltsmsk=.TRUE., lusmsk=.TRUE., lvsmsk=.TRUE.
61
62	!! * Substitutions
63	# include "obc_vectopt_loop_substitute.h90"
64	!!----------------------------------------------------------------------
65	!! OPA 9.0 , LOCEAN-IPSL (2006)
66	!! $Id: obcdta.F90 1732 2009-11-16 15:15:24Z smasson $
67	!! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt)
68	!!----------------------------------------------------------------------
69
70	CONTAINS
71
72	SUBROUTINE obc_dta( kt )
73	!!---------------------------------------------------------------------------
74	!! * SUBROUTINE obc_dta *
75	!!
76	!! ** Purpose : Find the climatological boundary arrays for the specified date,
77	!! The boundary arrays are netcdf files. Three possible cases:
78	!! - one time frame only in the file (time dimension = 1).
79	!! in that case the boundary data does not change in time.
80	!! - many time frames. In that case, if we have 12 frames
81	!! we assume monthly fields.
82	!! Else, we assume that time_counter is in seconds
83	!! since the beginning of either the current year or a reference
84	!! year given in the namelist.
85	!! (no check is done so far but one would have to check the "unit"
86	!! attribute of variable time_counter).
87	!!
88	!!
89	!! History :
90	!! ! 98-05 (J.M. Molines) Original code
91	!! 8.5 ! 02-10 (C. Talandier, A-M. Treguier) Free surface, F90
92	!!
93	!! 9.0 ! 04-06 (F. Durand, A-M. Treguier) Netcdf BC files on input
94	!! ! 2007-2008 (C. Langlais, P. Mathiot, J.M. Molines) high frequency boundaries data
95	!!---------------------------------------------------------------------------
96	!! * Arguments
97	INTEGER, INTENT( in ) :: kt ! ocean time-step index
98
99	!! * Local declarations
100	INTEGER :: ji, jj, jk, ii, ij ,it ! dummy loop indices
101	INTEGER :: ikprint ! frequency for printouts.
102	INTEGER, SAVE :: immfile, iyyfile !
103	INTEGER :: nt ! record indices (incrementation)
104	INTEGER :: istop ! local error check
105
106	REAL(wp) :: zxy, znum, zden ! time interpolation weight
107
108	! variables for the julian day calculation
109	INTEGER :: iyear, imonth, iday
110	REAL(wp) :: zsec , zjulian, zjuliancnes
111
112	! IOM STUFF
113	INTEGER :: idvar, id_e, id_w, id_n, id_s, id_x ! file identifiers
114	INTEGER, DIMENSION(1) :: itmp
115	CHARACTER(LEN=25) :: cl_vname
116
117	!!---------------------------------------------------------------------------
118
119	! 0. initialisation :
120	! --------------------
121	IF ( kt == nit000 ) CALL obc_dta_ini ( kt )
122	IF ( nobc_dta == 0 ) RETURN ! already done in obc_dta_ini
123	IF ( itobc == 1 ) RETURN ! case of only one time frame in file done in obc_dta_ini
124
125	! in the following code, we assume that obc data are read from files, with more than 1 time frame in it
126
127	iyyfile=iyy ; immfile = 00 ! set component of the current file name
128	IF ( cffile /= 'annual') immfile = imm !
129	IF ( ln_obc_clim ) iyyfile = 0000 ! assume that climatological files are labeled y0000
130
131	! 1. Synchronize time of run with time of data files
132	!---------------------------------------------------
133	! nday_year is the day number in the current year ( 1 for 01/01 )
134	zsec=MOD( (kt-nit000)rdt - (nday_year - nday_year0 )rday, rday ) ! number of seconds in the current day
135	IF (ln_obc_clim) THEN
136	zjcnes = nday_year - 1 + zsec/rday
137	ELSE
138	zjcnes = zjcnes + rdt/rday
139	ENDIF
140
141	! look for 'before' record number in the current file
142	ntobc = nrecbef () ! this function return the record number for 'before', relative to zjcnes
143
144	IF (MOD(kt-1,10)==0) THEN
145	IF (lwp) WRITE(numout,*) 'kt= ',kt,' zjcnes =', zjcnes,' ndastp =',ndastp, 'mm =',imm
146	END IF
147
148	! 2. read a new data if necessary
149	!--------------------------------
150	IF ( ntobc /= ntobc_b ) THEN
151	! we need to read the 'after' record
152	! swap working index:
153	nt=nt_b ; nt_b=nt_a ; nt_a=nt
154	ntobc_b = ntobc
155
156	! new record number :
157	ntobc_a = ntobc_a + 1
158
159	! all tricky things related to record number, changing files etc... are managed by obc_read
160
161	CALL obc_read (kt, nt_a, ntobc_a, iyyfile, immfile )
162
163	! update zjcnes_obc
164	zjcnes_obc(nt_b)= ztcobc(ntobc_b)
165	zjcnes_obc(nt_a)= ztcobc(ntobc_a)
166	ENDIF
167
168	! 3. interpolation at each time step
169	! ------------------------------------
170	IF ( ln_obc_clim) THEN
171	znum= MOD(zjcnes - zjcnes_obc(nt_b), REAL(nyear_len(1),wp) ) ; IF ( znum < 0 ) znum = znum + REAL(nyear_len(1),wp)
172	zden= MOD(zjcnes_obc(nt_a) - zjcnes_obc(nt_b), REAL(nyear_len(1),wp) ) ; IF ( zden < 0 ) zden = zden + REAL(nyear_len(1),wp)
173	ELSE
174	znum= zjcnes - zjcnes_obc(nt_b)
175	zden= zjcnes_obc(nt_a) - zjcnes_obc(nt_b)
176	ENDIF
177	zxy = znum / zden
178
179	IF( lp_obc_east ) THEN
180	! fills sfoe, tfoe, ufoe ,vfoe
181	sfoe(:,:) = zxy * sedta (:,:,nt_a) + (1. - zxy)*sedta(:,:,nt_b)
182	tfoe(:,:) = zxy * tedta (:,:,nt_a) + (1. - zxy)*tedta(:,:,nt_b)
183	ufoe(:,:) = zxy * uedta (:,:,nt_a) + (1. - zxy)*uedta(:,:,nt_b)
184	vfoe(:,:) = zxy * vedta (:,:,nt_a) + (1. - zxy)*vedta(:,:,nt_b)
185	ENDIF
186
187	IF( lp_obc_west) THEN
188	! fills sfow, tfow, ufow ,vfow
189	sfow(:,:) = zxy * swdta (:,:,nt_a) + (1. - zxy)*swdta(:,:,nt_b)
190	tfow(:,:) = zxy * twdta (:,:,nt_a) + (1. - zxy)*twdta(:,:,nt_b)
191	ufow(:,:) = zxy * uwdta (:,:,nt_a) + (1. - zxy)*uwdta(:,:,nt_b)
192	vfow(:,:) = zxy * vwdta (:,:,nt_a) + (1. - zxy)*vwdta(:,:,nt_b)
193	ENDIF
194
195	IF( lp_obc_north) THEN
196	! fills sfon, tfon, ufon ,vfon
197	sfon(:,:) = zxy * sndta (:,:,nt_a) + (1. - zxy)*sndta(:,:,nt_b)
198	tfon(:,:) = zxy * tndta (:,:,nt_a) + (1. - zxy)*tndta(:,:,nt_b)
199	ufon(:,:) = zxy * undta (:,:,nt_a) + (1. - zxy)*undta(:,:,nt_b)
200	vfon(:,:) = zxy * vndta (:,:,nt_a) + (1. - zxy)*vndta(:,:,nt_b)
201	ENDIF
202
203	IF( lp_obc_south) THEN
204	! fills sfos, tfos, ufos ,vfos
205	sfos(:,:) = zxy * ssdta (:,:,nt_a) + (1. - zxy)*ssdta(:,:,nt_b)
206	tfos(:,:) = zxy * tsdta (:,:,nt_a) + (1. - zxy)*tsdta(:,:,nt_b)
207	ufos(:,:) = zxy * usdta (:,:,nt_a) + (1. - zxy)*usdta(:,:,nt_b)
208	vfos(:,:) = zxy * vsdta (:,:,nt_a) + (1. - zxy)*vsdta(:,:,nt_b)
209	ENDIF
210	END SUBROUTINE obc_dta
211
212
213	SUBROUTINE obc_dta_ini (kt)
214	!!-----------------------------------------------------------------------------
215	!! * SUBROUTINE obc_dta_ini *
216	!!
217	!! ** Purpose :
218	!! When obc_dta first call, realize some data initialization
219	!!
220	!! ** Method :
221	!!
222	!! History :
223	!! 9.0 ! 07-10 (J.M. Molines )
224	!!----------------------------------------------------------------------------
225	!! * Argument
226	INTEGER, INTENT(in) :: kt ! ocean time-step index
227
228	!! * Local declarations
229	INTEGER :: ji,jj, it ! dummy loop indices
230
231	REAL(wp) :: zxy ! time interpolation weight
232
233	INTEGER :: ikprint ! frequency for printouts.
234
235	INTEGER, SAVE :: immfile, iyyfile !
236	INTEGER :: nt ! record indices (incrementation)
237	INTEGER :: istop ! local error check
238
239	! variables for the julian day calculation
240	INTEGER :: iyear, imonth, iday
241	REAL(wp) :: zsec , zjulian, zjuliancnes
242
243	! IOM STUFF
244	INTEGER :: idvar, id_e, id_w, id_n, id_s, id_x ! file identifiers
245	INTEGER, DIMENSION(1) :: itmp
246	CHARACTER(LEN=25) :: cl_vname
247
248	IF(lwp) WRITE(numout,*)
249	IF(lwp) WRITE(numout,*) 'obc_dta : find boundary data'
250	IF(lwp) WRITE(numout,*) '~~~~~~~'
251	IF (lwp) THEN
252	IF ( nobc_dta == 0 ) THEN
253	WRITE(numout,*) ' OBC data taken from initial conditions.'
254	ELSE
255	WRITE(numout,*) ' OBC data taken from netcdf files.'
256	ENDIF
257	ENDIF
258	nday_year0 = nday_year ! to remember the day when kt=nit000
259
260	sedta(:,:,:) = 0.e0 ; tedta(:,:,:) = 0.e0 ; uedta(:,:,:) = 0.e0 ; vedta(:,:,:) = 0.e0 ! East
261	swdta(:,:,:) = 0.e0 ; twdta(:,:,:) = 0.e0 ; uwdta(:,:,:) = 0.e0 ; vwdta(:,:,:) = 0.e0 ! West
262	sndta(:,:,:) = 0.e0 ; tndta(:,:,:) = 0.e0 ; undta(:,:,:) = 0.e0 ; vndta(:,:,:) = 0.e0 ! North
263	ssdta(:,:,:) = 0.e0 ; tsdta(:,:,:) = 0.e0 ; usdta(:,:,:) = 0.e0 ; vsdta(:,:,:) = 0.e0 ! South
264
265	sfoe(:,:) = 0.e0 ; tfoe(:,:) = 0.e0 ; ufoe(:,:) = 0.e0 ; vfoe(:,:) = 0.e0 ! East
266	sfow(:,:) = 0.e0 ; tfow(:,:) = 0.e0 ; ufow(:,:) = 0.e0 ; vfow(:,:) = 0.e0 ! West
267	sfon(:,:) = 0.e0 ; tfon(:,:) = 0.e0 ; ufon(:,:) = 0.e0 ; vfon(:,:) = 0.e0 ! North
268	sfos(:,:) = 0.e0 ; tfos(:,:) = 0.e0 ; ufos(:,:) = 0.e0 ; vfos(:,:) = 0.e0 ! South
269
270	IF (nobc_dta == 0 ) THEN ! boundary data are the initial data of this run (set only at nit000)
271	IF (lp_obc_east) THEN ! East
272	DO ji = nie0 , nie1
273	sfoe(nje0p1:nje1m1,:) = temsk(nje0p1:nje1m1,:) * sn (ji+1 , nje0p1:nje1m1 , :)
274	tfoe(nje0p1:nje1m1,:) = temsk(nje0p1:nje1m1,:) * tn (ji+1 , nje0p1:nje1m1 , :)
275	ufoe(nje0p1:nje1m1,:) = uemsk(nje0p1:nje1m1,:) * un (ji , nje0p1:nje1m1 , :)
276	vfoe(nje0p1:nje1m1,:) = vemsk(nje0p1:nje1m1,:) * vn (ji+1 , nje0p1:nje1m1 , :)
277	END DO
278	ENDIF
279
280	IF (lp_obc_west) THEN ! West
281	DO ji = niw0 , niw1
282	sfow(njw0p1:njw1m1,:) = twmsk(njw0p1:njw1m1,:) * sn (ji , njw0p1:njw1m1 , :)
283	tfow(njw0p1:njw1m1,:) = twmsk(njw0p1:njw1m1,:) * tn (ji , njw0p1:njw1m1 , :)
284	ufow(njw0p1:njw1m1,:) = uwmsk(njw0p1:njw1m1,:) * un (ji , njw0p1:njw1m1 , :)
285	vfow(njw0p1:njw1m1,:) = vwmsk(njw0p1:njw1m1,:) * vn (ji , njw0p1:njw1m1 , :)
286	END DO
287	ENDIF
288
289	IF (lp_obc_north) THEN ! North
290	DO jj = njn0 , njn1
291	sfon(nin0p1:nin1m1,:) = tnmsk(nin0p1:nin1m1,:) * sn (nin0p1:nin1m1 , jj+1 , :)
292	tfon(nin0p1:nin1m1,:) = tnmsk(nin0p1:nin1m1,:) * tn (nin0p1:nin1m1 , jj+1 , :)
293	ufon(nin0p1:nin1m1,:) = unmsk(nin0p1:nin1m1,:) * un (nin0p1:nin1m1 , jj+1 , :)
294	vfon(nin0p1:nin1m1,:) = vnmsk(nin0p1:nin1m1,:) * vn (nin0p1:nin1m1 , jj , :)
295	END DO
296	ENDIF
297
298	IF (lp_obc_south) THEN ! South
299	DO jj = njs0 , njs1
300	sfos(nis0p1:nis1m1,:) = tsmsk(nis0p1:nis1m1,:) * sn (nis0p1:nis1m1 , jj , :)
301	tfos(nis0p1:nis1m1,:) = tsmsk(nis0p1:nis1m1,:) * tn (nis0p1:nis1m1 , jj , :)
302	ufos(nis0p1:nis1m1,:) = usmsk(nis0p1:nis1m1,:) * un (nis0p1:nis1m1 , jj , :)
303	vfos(nis0p1:nis1m1,:) = vsmsk(nis0p1:nis1m1,:) * vn (nis0p1:nis1m1 , jj , :)
304	END DO
305	ENDIF
306	RETURN ! exit the routine all is done
307	ENDIF ! nobc_dta = 0
308
309	!!!! In the following OBC data are read from files.
310	! all logical-mask are initialzed to true when declared
311	WHERE ( temsk == 0 ) ltemsk=.FALSE.
312	WHERE ( uemsk == 0 ) luemsk=.FALSE.
313	WHERE ( vemsk == 0 ) lvemsk=.FALSE.
314
315	WHERE ( twmsk == 0 ) ltwmsk=.FALSE.
316	WHERE ( uwmsk == 0 ) luwmsk=.FALSE.
317	WHERE ( vwmsk == 0 ) lvwmsk=.FALSE.
318
319	WHERE ( tnmsk == 0 ) ltnmsk=.FALSE.
320	WHERE ( unmsk == 0 ) lunmsk=.FALSE.
321	WHERE ( vnmsk == 0 ) lvnmsk=.FALSE.
322
323	WHERE ( tsmsk == 0 ) ltsmsk=.FALSE.
324	WHERE ( usmsk == 0 ) lusmsk=.FALSE.
325	WHERE ( vsmsk == 0 ) lvsmsk=.FALSE.
326
327	iyear=1950; imonth=01; iday=01; zsec=0.
328	! zjuliancnes : julian day corresonding to 01/01/1950
329	CALL ymds2ju(iyear, imonth, iday,zsec , zjuliancnes)
330
331	!current year and curent month
332	iyy=INT(ndastp/10000) ; imm=INT((ndastp -iyy10000)/100) ; idd=(ndastp-iyy10000-imm*100)
333	IF (iyy < 1900) iyy = iyy+1900 ! always assume that years are on 4 digits.
334	CALL ymds2ju(iyy, imm, idd ,zsec , zjulian)
335	ndate0_cnes = zjulian - zjuliancnes ! jcnes day when call to obc_dta_ini
336
337	iyyfile=iyy ; immfile=0 ! set component of the current file name
338	IF ( cffile /= 'annual') immfile=imm
339	IF ( ln_obc_clim) iyyfile = 0 ! assume that climatological files are labeled y0000
340
341	CALL obc_dta_chktime ( iyyfile, immfile )
342
343	IF ( itobc == 1 ) THEN
344	! in this case we will provide boundary data only once.
345	nt_a=1 ; ntobc_a=1
346	CALL obc_read (nit000, nt_a, ntobc_a, iyyfile, immfile)
347	IF( lp_obc_east ) THEN
348	! fills sfoe, tfoe, ufoe ,vfoe
349	sfoe(:,:) = sedta (:,:,1) ; tfoe(:,:) = tedta (:,:,1)
350	ufoe(:,:) = uedta (:,:,1) ; vfoe(:,:) = vedta (:,:,1)
351	ENDIF
352
353	IF( lp_obc_west) THEN
354	! fills sfow, tfow, ufow ,vfow
355	sfow(:,:) = swdta (:,:,1) ; tfow(:,:) = twdta (:,:,1)
356	ufow(:,:) = uwdta (:,:,1) ; vfow(:,:) = vwdta (:,:,1)
357	ENDIF
358
359	IF( lp_obc_north) THEN
360	! fills sfon, tfon, ufon ,vfon
361	sfon(:,:) = sndta (:,:,1) ; tfon(:,:) = tndta (:,:,1)
362	ufon(:,:) = undta (:,:,1) ; vfon(:,:) = vndta (:,:,1)
363	ENDIF
364
365	IF( lp_obc_south) THEN
366	! fills sfos, tfos, ufos ,vfos
367	sfos(:,:) = ssdta (:,:,1) ; tfos(:,:) = tsdta (:,:,1)
368	ufos(:,:) = usdta (:,:,1) ; vfos(:,:) = vsdta (:,:,1)
369	ENDIF
370	RETURN ! we go out of obc_dta_ini -------------------------------------->>>>>
371	ENDIF
372
373	! nday_year is the day number in the current year ( 1 for 01/01 )
374	! we suppose that we always start from the begining of a day
375	! zsec=MOD( (kt-nit000)rdt - (nday_year - nday_year0 )rday, rday ) ! number of seconds in the current day
376	zsec=0.e0 ! here, kt=nit000, nday_year = ndat_year0
377
378	IF (ln_obc_clim) THEN
379	zjcnes = nday_year - 1 + zsec/rday ! for clim file time is in days in a year
380	ELSE
381	zjcnes = ndate0_cnes + (nday_year - nday_year0 ) + zsec/rday
382	ENDIF
383
384	! look for 'before' record number in the current file
385	ntobc = nrecbef ()
386
387	IF (lwp) WRITE(numout,*) 'obc files frequency :',cffile
388	IF (lwp) WRITE(numout,*) ' zjcnes0 =',zjcnes,' ndastp0 =',ndastp
389	IF (lwp) WRITE(numout,*) ' annee0 ',iyy,' month0 ', imm,' day0 ', idd
390	IF (lwp) WRITE(numout,*) 'first file open :',cl_obc_nTS
391
392	! record initialisation
393	!--------------------
394	nt_b = 1 ; nt_a = 2
395
396	ntobc_a = ntobc + 1
397	ntobc_b = ntobc
398
399	CALL obc_read (kt, nt_b, ntobc_b, iyyfile, immfile) ! read 'before' fields
400	CALL obc_read (kt, nt_a, ntobc_a, iyyfile, immfile) ! read 'after' fields
401
402	zjcnes_obc(nt_b)= ztcobc(ntobc_b)
403	zjcnes_obc(nt_a)= ztcobc(ntobc_a)
404	!
405	END SUBROUTINE obc_dta_ini
406
407
408	SUBROUTINE obc_dta_chktime (kyyfile, kmmfile)
409	!
410	! check the number of time steps in the files and read ztcobc
411	!
412	! * Arguments
413	INTEGER, INTENT(in) :: kyyfile, kmmfile
414	! * local variables
415	INTEGER :: istop ! error control
416	INTEGER :: ji ! dummy loop index
417
418	INTEGER :: idvar, id_e, id_w, id_n, id_s, id_x ! file identifiers
419	INTEGER, DIMENSION(1) :: itmp
420	CHARACTER(LEN=25) :: cl_vname
421
422	ntobc_a = 0; itobce =0 ; itobcw = 0; itobcn = 0; itobcs = 0
423	! build file name
424	WRITE(cl_obc_eTS ,'("obc_east_TS_y",i4.4,"m",i2.2,".nc")' ) kyyfile,kmmfile
425	WRITE(cl_obc_wTS ,'("obc_west_TS_y",i4.4,"m",i2.2,".nc")' ) kyyfile,kmmfile
426	WRITE(cl_obc_nTS ,'("obc_north_TS_y",i4.4,"m",i2.2,".nc")' ) kyyfile,kmmfile
427	WRITE(cl_obc_sTS ,'("obc_south_TS_y",i4.4,"m",i2.2,".nc")' ) kyyfile,kmmfile
428
429	cl_vname = 'time_counter'
430	IF ( lp_obc_east ) THEN
431	CALL iom_open ( cl_obc_eTS , id_e )
432	idvar = iom_varid( id_e, cl_vname, kdimsz = itmp ); itobce=itmp(1)
433	ENDIF
434	IF ( lp_obc_west ) THEN
435	CALL iom_open ( cl_obc_wTS , id_w )
436	idvar = iom_varid( id_w, cl_vname, kdimsz = itmp ) ; itobcw=itmp(1)
437	ENDIF
438	IF ( lp_obc_north ) THEN
439	CALL iom_open ( cl_obc_nTS , id_n )
440	idvar = iom_varid( id_n, cl_vname, kdimsz = itmp ) ; itobcn=itmp(1)
441	ENDIF
442	IF ( lp_obc_south ) THEN
443	CALL iom_open ( cl_obc_sTS , id_s )
444	idvar = iom_varid( id_s, cl_vname, kdimsz = itmp ) ; itobcs=itmp(1)
445	ENDIF
446
447	itobc = MAX( itobce, itobcw, itobcn, itobcs )
448	istop = 0
449	IF ( lp_obc_east .AND. itobce /= itobc ) istop = istop+1
450	IF ( lp_obc_west .AND. itobcw /= itobc ) istop = istop+1
451	IF ( lp_obc_north .AND. itobcn /= itobc ) istop = istop+1
452	IF ( lp_obc_south .AND. itobcs /= itobc ) istop = istop+1
453	nstop = nstop + istop
454
455	IF ( istop /= 0 ) THEN
456	WRITE(ctmp1,*) ' east, west, north, south: ', itobce, itobcw, itobcn, itobcs
457	CALL ctl_stop( 'obcdta : all files must have the same number of time steps', ctmp1 )
458	ENDIF
459
460	IF ( itobc == 1 ) THEN
461	IF (lwp) THEN
462	WRITE(numout,*) ' obcdta found one time step only in the OBC files'
463	IF (ln_obc_clim) THEN
464	! OK no problem
465	ELSE
466	ln_obc_clim=.true.
467	WRITE(numout,*) ' we force ln_obc_clim to T'
468	ENDIF
469	ENDIF
470	ELSE
471	IF ( ALLOCATED(ztcobc) ) DEALLOCATE ( ztcobc )
472	ALLOCATE (ztcobc(itobc))
473	DO ji=1,1 ! use a dummy loop to read ztcobc only once
474	IF ( lp_obc_east ) THEN
475	CALL iom_gettime ( id_e, ztcobc, cl_vname ) ; CALL iom_close (id_e) ; EXIT
476	ENDIF
477	IF ( lp_obc_west ) THEN
478	CALL iom_gettime ( id_w, ztcobc, cl_vname ) ; CALL iom_close (id_w) ; EXIT
479	ENDIF
480	IF ( lp_obc_north ) THEN
481	CALL iom_gettime ( id_n, ztcobc, cl_vname ) ; CALL iom_close (id_n) ; EXIT
482	ENDIF
483	IF ( lp_obc_south ) THEN
484	CALL iom_gettime ( id_s, ztcobc, cl_vname ) ; CALL iom_close (id_s) ; EXIT
485	ENDIF
486	END DO
487	rdt_obc = ztcobc(2)-ztcobc(1) ! just an information, not used for any computation
488	IF (lwp) WRITE(numout,*) ' obcdta found', itobc,' time steps in the OBC files'
489	IF (lwp) WRITE(numout,*) ' time step of obc data :', rdt_obc,' days'
490	ENDIF
491	zjcnes = zjcnes - rdt/rday ! trick : zcnes is always incremented by rdt/rday in obc_dta!
492	END SUBROUTINE obc_dta_chktime
493
494
495	#if defined key_dynspg_ts \|\| defined key_dynspg_exp
496	SUBROUTINE obc_dta_bt( kt, kbt )
497	!!---------------------------------------------------------------------------
498	!! * SUBROUTINE obc_dta *
499	!!
500	!! ** Purpose : time interpolation of barotropic data for time-splitting scheme
501	!! Data at the boundary must be in m2/s
502	!!
503	!! History :
504	!! 9.0 ! 05-11 (V. garnier) Original code
505	!!---------------------------------------------------------------------------
506	!! * Arguments
507	INTEGER, INTENT( in ) :: kt ! ocean time-step index
508	INTEGER, INTENT( in ) :: kbt ! barotropic ocean time-step index
509
510	!! * Local declarations
511	INTEGER :: ji, jj, jk, ii, ij ! dummy loop indices
512	INTEGER :: id_e, id_w, id_n, id_s, fid ! file identifiers
513	INTEGER :: itimo, iman, imois, i15
514	INTEGER :: itobcm, itobcp, itimom, itimop
515	REAL(wp) :: zxy
516	INTEGER :: isrel, ikt ! number of seconds since 1/1/1992
517	INTEGER :: iprint ! frequency for printouts.
518
519	!!---------------------------------------------------------------------------
520
521	! 1. First call: check time frames available in files.
522	! -------------------------------------------------------
523
524	IF( kt == nit000 ) THEN
525
526	! 1.1 Barotropic tangential velocities set to zero
527	! -------------------------------------------------
528	IF( lp_obc_east ) vbtfoe(:) = 0.e0
529	IF( lp_obc_west ) vbtfow(:) = 0.e0
530	IF( lp_obc_south ) ubtfos(:) = 0.e0
531	IF( lp_obc_north ) ubtfon(:) = 0.e0
532
533	! 1.2 Sea surface height and normal barotropic velocities set to zero
534	! or initial conditions if nobc_dta == 0
535	! --------------------------------------------------------------------
536
537	IF( lp_obc_east ) THEN
538	! initialisation to zero
539	sshedta(:,:) = 0.e0
540	ubtedta(:,:) = 0.e0
541	! ! ================== !
542	IF( nobc_dta == 0 ) THEN ! initial state used !
543	! ! ================== !
544	! Fills sedta, tedta, uedta (global arrays)
545	! Remark: this works for njzoom = 1. Should the definition of ij include njzoom?
546	DO ji = nie0, nie1
547	DO jj = nje0p1, nje1m1
548	ij = jj -1 + njmpp
549	sshedta(ij,1) = sshn(ji+1,jj) * tmask(ji+1,jj,1)
550	END DO
551	END DO
552	ENDIF
553	ENDIF
554
555	IF( lp_obc_west) THEN
556	! initialisation to zero
557	sshwdta(:,:) = 0.e0
558	ubtwdta(:,:) = 0.e0
559	! ! ================== !
560	IF( nobc_dta == 0 ) THEN ! initial state used !
561	! ! ================== !
562	! Fills swdta, twdta, uwdta (global arrays)
563	! Remark: this works for njzoom = 1. Should the definition of ij include njzoom?
564	DO ji = niw0, niw1
565	DO jj = njw0p1, njw1m1
566	ij = jj -1 + njmpp
567	sshwdta(ij,1) = sshn(ji,jj) * tmask(ji,jj,1)
568	END DO
569	END DO
570	ENDIF
571	ENDIF
572
573	IF( lp_obc_north) THEN
574	! initialisation to zero
575	sshndta(:,:) = 0.e0
576	vbtndta(:,:) = 0.e0
577	! ! ================== !
578	IF( nobc_dta == 0 ) THEN ! initial state used !
579	! ! ================== !
580	! Fills sndta, tndta, vndta (global arrays)
581	! Remark: this works for njzoom = 1. Should the definition of ij include njzoom?
582	DO jj = njn0, njn1
583	DO ji = nin0p1, nin1m1
584	DO jk = 1, jpkm1
585	ii = ji -1 + nimpp
586	vbtndta(ii,1) = vbtndta(ii,1) + vndta(ii,jk,1)*fse3v(ji,jj,jk)
587	END DO
588	sshndta(ii,1) = sshn(ii,jj+1) * tmask(ji,jj+1,1)
589	END DO
590	END DO
591	ENDIF
592	ENDIF
593
594	IF( lp_obc_south) THEN
595	! initialisation to zero
596	ssdta(:,:,:) = 0.e0
597	tsdta(:,:,:) = 0.e0
598	vsdta(:,:,:) = 0.e0
599	sshsdta(:,:) = 0.e0
600	vbtsdta(:,:) = 0.e0
601	! ! ================== !
602	IF( nobc_dta == 0 ) THEN ! initial state used !
603	! ! ================== !
604	! Fills ssdta, tsdta, vsdta (global arrays)
605	! Remark: this works for njzoom = 1. Should the definition of ij include njzoom?
606	DO jj = njs0, njs1
607	DO ji = nis0p1, nis1m1
608	DO jk = 1, jpkm1
609	ii = ji -1 + nimpp
610	vbtsdta(ii,1) = vbtsdta(ii,1) + vsdta(ii,jk,1)*fse3v(ji,jj,jk)
611	END DO
612	sshsdta(ii,1) = sshn(ji,jj) * tmask(ii,jj,1)
613	END DO
614	END DO
615	ENDIF
616	ENDIF
617
618	ENDIF ! END IF kt == nit000
619
620	!!------------------------------------------------------------------------------------
621	! 2. Initialize the time we are at. Does this every time the routine is called,
622	! excepted when nobc_dta = 0
623	!
624	IF( nobc_dta == 0) THEN
625	itimo = 1
626	zxy = 0
627	ELSE
628	IF(ntobc == 1) THEN
629	itimo = 1
630	ELSE IF (ntobc == 12) THEN ! BC are monthly
631	! we assume we have climatology in that case
632	iman = 12
633	i15 = nday / 16
634	imois = nmonth + i15 - 1
635	IF( imois == 0 ) imois = iman
636	itimo = imois
637	ELSE
638	IF(lwp) WRITE(numout,*) 'data other than constant or monthly',kt
639	iman = ntobc
640	itimo = FLOOR( kt*rdt / tcobc(1))
641	isrel=kt*rdt
642	ENDIF
643	ENDIF
644
645	! 2. Read two records in the file if necessary
646	! ---------------------------------------------
647
648	IF( nobc_dta == 1 .AND. nlecto == 1 ) THEN
649
650	IF( lp_obc_east ) THEN
651	! ... Read datafile and set sea surface height and barotropic velocity
652	! ... initialise the sshedta, ubtedta arrays
653	sshedta(:,0) = sshedta(:,1)
654	ubtedta(:,0) = ubtedta(:,1)
655	CALL iom_open ( 'obceast_TS.nc', id_e )
656	CALL iom_get ( id_e, jpdom_unknown, 'vossurfh', sshedta(:,1), ktime=ntobc1 )
657	CALL iom_get ( id_e, jpdom_unknown, 'vossurfh', sshedta(:,2), ktime=ntobc2 )
658	IF( lk_dynspg_ts ) THEN
659	CALL iom_get (id_e, jpdom_unknown, 'vossurfh', sshedta(:,3), ktime=ntobc2+1 )
660	ENDIF
661	CALL iom_close ( id_e )
662	!
663	CALL iom_open ( 'obceast_U.nc', id_e )
664	CALL iom_get ( id_e, jpdom_unknown, 'vozoubt', ubtedta(:,1), ktime=ntobc1 )
665	CALL iom_get ( id_e, jpdom_unknown, 'vozoubt', ubtedta(:,2), ktime=ntobc2 )
666	IF( lk_dynspg_ts ) THEN
667	CALL iom_get ( id_e, jpdom_unknown, 'vozoubt', ubtedta(:,3), ktime=ntobc2+1 )
668	ENDIF
669	CALL iom_close ( id_e )
670	! ... Usually printout is done only once at kt = nit000, unless nprint (namelist) > 1
671	IF( lwp .AND. ( kt == nit000 .OR. nprint /= 0 ) ) THEN
672	WRITE(numout,*)
673	WRITE(numout,*) ' Read East OBC barotropic data records ', ntobc1, ntobc2
674	iprint = (jpjef-jpjed+1)/20 +1
675	WRITE(numout,*)
676	WRITE(numout,*) ' Sea surface height record 1'
677	CALL prihre( sshedta(:,1), jpjef-jpjed+1, 1, 1, jpjef-jpjed+1, iprint, 1, 1, -3, 1., numout )
678	WRITE(numout,*)
679	WRITE(numout,*) ' Normal transport (m2/s) record 1',iprint
680	CALL prihre( ubtedta(:,1), jpjef-jpjed+1, 1, 1, jpjef-jpjed+1, iprint, 1, 1, -3, 1., numout )
681	ENDIF
682	ENDIF
683
684	IF( lp_obc_west ) THEN
685	! ... Read datafile and set temperature, salinity and normal velocity
686	! ... initialise the swdta, twdta, uwdta arrays
687	sshwdta(:,0) = sshwdta(:,1)
688	ubtwdta(:,0) = ubtwdta(:,1)
689	CALL iom_open ( 'obcwest_TS.nc', id_w )
690	CALL iom_get ( id_w, jpdom_unknown, 'vossurfh', sshwdta(:,1), ktime=ntobc1 )
691	CALL iom_get ( id_w, jpdom_unknown, 'vossurfh', sshwdta(:,2), ktime=ntobc2 )
692	IF( lk_dynspg_ts ) THEN
693	CALL ( id_w, jpdom_unknown, 'vossurfh', sshwdta(:,3), ktime=ntobc2+1 )
694	ENDIF
695	CALL iom_close ( id_w )
696	!
697	CALL iom_open ( 'obcwest_U.nc', id_w )
698	CALL iom_get ( id_w, jpdom_unknown, 'vozoubt', ubtwdta(:,1), ktime=ntobc1 )
699	CALL iom_get ( id_w, jpdom_unknown, 'vozoubt', ubtwdta(:,2), ktime=ntobc2 )
700	IF( lk_dynspg_ts ) THEN
701	CALL iom_get ( id_w, jpdom_unknown, 'vozoubt', ubtwdta(:,3), ktime=ntobc2+1 )
702	ENDIF
703	CALL iom_close ( id_w )
704	! ... Usually printout is done only once at kt = nit000, unless nprint (namelist) > 1
705	IF( lwp .AND. ( kt == nit000 .OR. nprint /= 0 ) ) THEN
706	WRITE(numout,*)
707	WRITE(numout,*) ' Read West OBC barotropic data records ', ntobc1, ntobc2
708	iprint = (jpjwf-jpjwd+1)/20 +1
709	WRITE(numout,*)
710	WRITE(numout,*) ' Sea surface height record 1 - printout surface level'
711	CALL prihre( sshwdta(:,1), jpjwf-jpjwd+1, 1, 1, jpjwf-jpjwd+1, iprint, 1, 1, -3, 1., numout )
712	WRITE(numout,*)
713	WRITE(numout,*) ' Normal transport (m2/s) record 1'
714	CALL prihre( ubtwdta(:,1), jpjwf-jpjwd+1, 1, 1, jpjwf-jpjwd+1, iprint, 1, 1, -3, 1., numout )
715	ENDIF
716	ENDIF
717
718	IF( lp_obc_north) THEN
719	! ... Read datafile and set sea surface height and barotropic velocity
720	! ... initialise the sshndta, ubtndta arrays
721	sshndta(:,0) = sshndta(:,1)
722	vbtndta(:,0) = vbtndta(:,1)
723	CALL iom_open ( 'obcnorth_TS.nc', id_n )
724	CALL iom_get (id_n, jpdom_unknown, 'vossurfh', sshndta(:,1), ktime=ntobc1 )
725	CALL iom_get (id_n, jpdom_unknown, 'vossurfh', sshndta(:,2), ktime=ntobc2 )
726	IF( lk_dynspg_ts ) THEN
727	CALL iom_get (id_n, jpdom_unknown, 'vossurfh', sshndta(:,3), ktime=ntobc2+1 )
728	ENDIF
729	CALL iom_close ( id_n )
730
731	CALL iom_open ( 'obcnorth_V.nc', id_n )
732	CALL iom_get (id_n, jpdom_unknown, 'vomevbt', vbtndta(:,1), ktime=ntobc1 )
733	CALL iom_get (id_n, jpdom_unknown, 'vomevbt', vbtndta(:,2), ktime=ntobc2 )
734	IF( lk_dynspg_ts ) THEN
735	CALL iom_get (id_n, jpdom_unknown, 'vomevbt', vbtndta(:,3), ktime=ntobc2+1 )
736	ENDIF
737	CALL iom_close ( id_n )
738
739	! ... Usually printout is done only once at kt = nit000, unless nprint (namelist) > 1
740	IF( lwp .AND. ( kt == nit000 .OR. nprint /= 0 ) ) THEN
741	WRITE(numout,*)
742	WRITE(numout,*) ' Read North OBC barotropic data records ', ntobc1, ntobc2
743	iprint = (jpinf-jpind+1)/20 +1
744	WRITE(numout,*)
745	WRITE(numout,*) ' Sea surface height record 1 - printout surface level'
746	CALL prihre( sshndta(:,1), jpinf-jpind+1, 1, 1, jpinf-jpind+1, iprint, 1, 1, -3, 1., numout )
747	WRITE(numout,*)
748	WRITE(numout,*) ' Normal transport (m2/s) record 1'
749	CALL prihre( vbtndta(:,1), jpinf-jpind+1, 1, 1, jpinf-jpind+1, iprint, 1, 1, -3, 1., numout )
750	ENDIF
751	ENDIF
752
753	IF( lp_obc_south) THEN
754	! ... Read datafile and set sea surface height and barotropic velocity
755	! ... initialise the sshsdta, ubtsdta arrays
756	sshsdta(:,0) = sshsdta(:,1)
757	vbtsdta(:,0) = vbtsdta(:,1)
758	CALL iom_open ( 'obcsouth_TS.nc', id_s )
759	CALL iom_get ( id_s, jpdom_unknown, 'vossurfh', sshsdta(:,1), ktime=ntobc1 )
760	CALL iom_get ( id_s, jpdom_unknown, 'vossurfh', sshsdta(:,2), ktime=ntobc2 )
761	IF( lk_dynspg_ts ) THEN
762	CALL iom_get ( id_s, jpdom_unknown, 'vossurfh', sshsdta(:,3), ktime=ntobc2+1 )
763	ENDIF
764	CALL iom_close ( id_s )
765
766	CALL iom_open ( 'obcsouth_V.nc', id_s )
767	CALL iom_get ( id_s, jpdom_unknown, 'vomevbt', vbtsdta(:,1), ktime=ntobc1 )
768	CALL iom_get ( id_s, jpdom_unknown, 'vomevbt', vbtsdta(:,2), ktime=ntobc2 )
769	IF( lk_dynspg_ts ) THEN
770	CALL iom_get ( id_s, jpdom_unknown, 'vomevbt', vbtsdta(:,3), ktime=ntobc2+1 )
771	ENDIF
772	CALL iom_close ( id_s )
773
774	! ... Usually printout is done only once at kt = nit000, unless nprint (namelist) > 1
775	IF( lwp .AND. ( kt == nit000 .OR. nprint /= 0 ) ) THEN
776	WRITE(numout,*)
777	WRITE(numout,*) ' Read South OBC barotropic data records ', ntobc1, ntobc2
778	iprint = (jpisf-jpisd+1)/20 +1
779	WRITE(numout,*)
780	WRITE(numout,*) ' Sea surface height record 1 - printout surface level'
781	CALL prihre( sshsdta(:,1), jpisf-jpisd+1, 1, 1, jpisf-jpisd+1, iprint, 1, 1, -3, 1., numout )
782	WRITE(numout,*)
783	WRITE(numout,*) ' Normal transport (m2/s) record 1'
784	CALL prihre( vbtsdta(:,1), jpisf-jpisd+1, 1, 1, jpisf-jpisd+1, iprint, 1, 1, -3, 1., numout )
785	ENDIF
786	ENDIF
787
788	ENDIF ! end of the test on the condition to read or not the files
789
790	! 3. Call at every time step : Linear interpolation of BCs to current time step
791	! ----------------------------------------------------------------------
792
793	IF( lk_dynspg_ts ) THEN
794	isrel = (kt-1)rdt + kbt(rdt/REAL(nn_baro,wp))
795
796	IF( nobc_dta == 1 ) THEN
797	isrel = (kt-1)rdt + kbt(rdt/REAL(nn_baro,wp))
798	itimo = FLOOR( kt*rdt / (tcobc(2)-tcobc(1)) )
799	itimom = FLOOR( (kt-1)*rdt / (tcobc(2)-tcobc(1)) )
800	itimop = FLOOR( (kt+1)*rdt / (tcobc(2)-tcobc(1)) )
801	IF( itimom == itimo .AND. itimop == itimo ) THEN
802	itobcm = ntobc1
803	itobcp = ntobc2
804
805	ELSEIF ( itimom <= itimo .AND. itimop == itimo ) THEN
806	IF( FLOOR( isrel / (tcobc(2)-tcobc(1)) ) < itimo ) THEN
807	itobcm = ntobc1-1
808	itobcp = ntobc2-1
809	ELSE
810	itobcm = ntobc1
811	itobcp = ntobc2
812	ENDIF
813
814	ELSEIF ( itimom == itimo .AND. itimop >= itimo ) THEN
815	IF( FLOOR( isrel / (tcobc(2)-tcobc(1)) ) < itimop ) THEN
816	itobcm = ntobc1
817	itobcp = ntobc2
818	ELSE
819	itobcm = ntobc1+1
820	itobcp = ntobc2+1
821	ENDIF
822
823	ELSEIF ( itimom == itimo-1 .AND. itimop == itimo+1 ) THEN
824	IF( FLOOR( isrel / (tcobc(2)-tcobc(1)) ) < itimo ) THEN
825	itobcm = ntobc1-1
826	itobcp = ntobc2-1
827	ELSEIF ( FLOOR( isrel / (tcobc(2)-tcobc(1)) ) < itimop ) THEN
828	itobcm = ntobc1
829	itobcp = ntobc2
830	ELSEIF ( FLOOR( isrel / (tcobc(2)-tcobc(1)) ) == itimop ) THEN
831	itobcm = ntobc1+1
832	itobcp = ntobc2+2
833	ELSE
834	IF(lwp) WRITE(numout, *) 'obc_dta_bt: You should not have seen this print! error 1?'
835	ENDIF
836	ELSE
837	IF(lwp) WRITE(numout, *) 'obc_dta_bt: You should not have seen this print! error 2?'
838	ENDIF
839
840	ENDIF
841
842	ELSE IF( lk_dynspg_exp ) THEN
843	isrel=kt*rdt
844	itobcm = ntobc1
845	itobcp = ntobc2
846	ENDIF
847
848	IF( ntobc == 1 .OR. nobc_dta == 0 ) THEN
849	zxy = 0.e0
850	ELSE IF( ntobc == 12 ) THEN
851	zxy = FLOAT( nday + 15 - 30 * i15 ) / 30.
852	ELSE
853	zxy = (tcobc(itobcm)-FLOAT(isrel)) / (tcobc(itobcm)-tcobc(itobcp))
854	ENDIF
855
856	IF( lp_obc_east ) THEN ! fills sshfoe, ubtfoe (local to each processor)
857	DO jj = nje0p1, nje1m1
858	ij = jj -1 + njmpp
859	sshfoe(jj) = ( zxy * sshedta(ij,2) + (1.-zxy) * sshedta(ij,1) ) * temsk(jj,1)
860	ubtfoe(jj) = ( zxy * ubtedta(ij,2) + (1.-zxy) * ubtedta(ij,1) ) * uemsk(jj,1)
861	END DO
862	ENDIF
863
864	IF( lp_obc_west) THEN ! fills sshfow, ubtfow (local to each processor)
865	DO jj = njw0p1, njw1m1
866	ij = jj -1 + njmpp
867	sshfow(jj) = ( zxy * sshwdta(ij,2) + (1.-zxy) * sshwdta(ij,1) ) * twmsk(jj,1)
868	ubtfow(jj) = ( zxy * ubtwdta(ij,2) + (1.-zxy) * ubtwdta(ij,1) ) * uwmsk(jj,1)
869	END DO
870	ENDIF
871
872	IF( lp_obc_north) THEN ! fills sshfon, vbtfon (local to each processor)
873	DO ji = nin0p1, nin1m1
874	ii = ji -1 + nimpp
875	sshfon(ji) = ( zxy * sshndta(ii,2) + (1.-zxy) * sshndta(ii,1) ) * tnmsk(ji,1)
876	vbtfon(ji) = ( zxy * vbtndta(ii,2) + (1.-zxy) * vbtndta(ii,1) ) * vnmsk(ji,1)
877	END DO
878	ENDIF
879
880	IF( lp_obc_south) THEN ! fills sshfos, vbtfos (local to each processor)
881	DO ji = nis0p1, nis1m1
882	ii = ji -1 + nimpp
883	sshfos(ji) = ( zxy * sshsdta(ii,2) + (1.-zxy) * sshsdta(ii,1) ) * tsmsk(ji,1)
884	vbtfos(ji) = ( zxy * vbtsdta(ii,2) + (1.-zxy) * vbtsdta(ii,1) ) * vsmsk(ji,1)
885	END DO
886	ENDIF
887
888	END SUBROUTINE obc_dta_bt
889
890	#else
891	!!-----------------------------------------------------------------------------
892	!! Default option
893	!!-----------------------------------------------------------------------------
894	SUBROUTINE obc_dta_bt ( kt, kbt ) ! Empty routine
895	!! * Arguments
896	INTEGER,INTENT(in) :: kt
897	INTEGER, INTENT( in ) :: kbt ! barotropic ocean time-step index
898	WRITE(,) 'obc_dta_bt: You should not have seen this print! error?', kt
899	WRITE(,) 'obc_dta_bt: You should not have seen this print! error?', kbt
900	END SUBROUTINE obc_dta_bt
901	#endif
902
903
904	!!==============================================================================
905	SUBROUTINE obc_read (kt, nt_x, ntobc_x, iyy, imm)
906	!!-------------------------------------------------------------------------
907	!! * ROUTINE obc_read *
908	!!
909	!! ** Purpose : Read the boundary data in files identified by iyy and imm
910	!! According to the validated open boundaries, return the
911	!! following arrays :
912	!! sedta, tedta : East OBC salinity and temperature
913	!! uedta, vedta : " " u and v velocity component
914	!!
915	!! swdta, twdta : West OBC salinity and temperature
916	!! uwdta, vwdta : " " u and v velocity component
917	!!
918	!! sndta, tndta : North OBC salinity and temperature
919	!! undta, vndta : " " u and v velocity component
920	!!
921	!! ssdta, tsdta : South OBC salinity and temperature
922	!! usdta, vsdta : " " u and v velocity component
923	!!
924	!! ** Method : These fields are read in the record ntobc_x of the files.
925	!! The number of records is already known. If ntobc_x is greater
926	!! than the number of record, this routine will look for next file,
927	!! updating the indices (case of inter-annual obcs) or loop at the
928	!! begining in case of climatological file (ln_obc_clim = true ).
929	!! -------------------------------------------------------------------------
930	!! History: ! 2005 ( P. Mathiot, C. Langlais ) Original code
931	!! ! 2008 ( J,M, Molines ) Use IOM and cleaning
932	!!--------------------------------------------------------------------------
933
934	! * Arguments
935	INTEGER, INTENT( in ) :: kt, nt_x
936	INTEGER, INTENT( inout ) :: ntobc_x , iyy, imm ! yes ! inout !
937
938	! * Local variables
939	CHARACTER (len=40) :: & ! file names
940	cl_obc_eTS , cl_obc_eU, cl_obc_eV,&
941	cl_obc_wTS , cl_obc_wU, cl_obc_wV,&
942	cl_obc_nTS , cl_obc_nU, cl_obc_nV,&
943	cl_obc_sTS , cl_obc_sU, cl_obc_sV
944
945	INTEGER :: ikprint
946	REAL(wp) :: zmin, zmax ! control of boundary values
947
948	!IOM stuff
949	INTEGER :: id_e, id_w, id_n, id_s, ji, jj
950	INTEGER, DIMENSION(2) :: istart, icount
951
952	!--------------------------------------------------------------------------
953	IF ( ntobc_x > itobc ) THEN
954	IF (ln_obc_clim) THEN ! just loop on the same file
955	ntobc_x = 1
956	ELSE
957	! need to change file : it is always for an 'after' data
958	IF ( cffile == 'annual' ) THEN ! go to next year file
959	iyy = iyy + 1
960	ELSE IF ( cffile =='monthly' ) THEN ! go to next month file
961	imm = imm + 1
962	IF ( imm == 13 ) THEN
963	imm = 1 ; iyy = iyy + 1
964	ENDIF
965	ELSE
966	ctmp1='obcread : this type of obc file is not supported :( '
967	ctmp2=TRIM(cffile)
968	CALL ctl_stop (ctmp1, ctmp2)
969	! cffile should be either annual or monthly ...
970	ENDIF
971	! as the file is changed, need to update itobc etc ...
972	CALL obc_dta_chktime (iyy,imm)
973	ntobc_x = nrecbef() + 1 ! remember : this case occur for an after data
974	ENDIF
975	ENDIF
976
977	IF ( lp_obc_east ) THEN
978	! ... Read datafile and set temperature, salinity and normal velocity
979	! ... initialise the sedta, tedta, uedta arrays
980	WRITE(cl_obc_eTS ,'("obc_east_TS_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
981	WRITE(cl_obc_eU ,'("obc_east_U_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
982	WRITE(cl_obc_eV ,'("obc_east_V_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
983	! JMM this may change depending on the obc data format ...
984	istart(:)=(/nje0+njmpp-1,1/) ; icount(:)=(/nje1-nje0 +1,jpk/)
985	IF (lwp) WRITE(numout,*) 'read data in :', TRIM(cl_obc_eTS)
986	IF (nje1 >= nje0 ) THEN
987	CALL iom_open ( cl_obc_eTS , id_e )
988	CALL iom_get ( id_e, jpdom_unknown, 'votemper', tedta(nje0:nje1,:,nt_x), &
989	& ktime=ntobc_x , kstart=istart, kcount= icount )
990	CALL iom_get ( id_e, jpdom_unknown, 'vosaline', sedta(nje0:nje1,:,nt_x), &
991	& ktime=ntobc_x , kstart=istart, kcount= icount )
992	CALL iom_close (id_e)
993	!
994	CALL iom_open ( cl_obc_eU , id_e )
995	CALL iom_get ( id_e, jpdom_unknown, 'vozocrtx', uedta(nje0:nje1,:,nt_x), &
996	& ktime=ntobc_x , kstart=istart, kcount= icount )
997	CALL iom_close ( id_e )
998	!
999	CALL iom_open ( cl_obc_eV , id_e )
1000	CALL iom_get ( id_e, jpdom_unknown, 'vomecrty', vedta(nje0:nje1,:,nt_x), &
1001	& ktime=ntobc_x , kstart=istart, kcount= icount )
1002	CALL iom_close ( id_e )
1003
1004	! mask the boundary values
1005	tedta(:,:,nt_x) = tedta(:,:,nt_x)temsk(:,:) ; sedta(:,:,nt_x) = sedta(:,:,nt_x)temsk(:,:)
1006	uedta(:,:,nt_x) = uedta(:,:,nt_x)uemsk(:,:) ; vedta(:,:,nt_x) = vedta(:,:,nt_x)vemsk(:,:)
1007
1008	! check any outliers
1009	zmin=MINVAL( sedta(:,:,nt_x), mask=ltemsk ) ; zmax=MAXVAL(sedta(:,:,nt_x), mask=ltemsk)
1010	IF ( zmin < 5 .OR. zmax > 50) THEN
1011	CALL ctl_stop('Error in sedta',' routine obcdta')
1012	ENDIF
1013	zmin=MINVAL( tedta(:,:,nt_x), mask=ltemsk ) ; zmax=MAXVAL(tedta(:,:,nt_x), mask=ltemsk)
1014	IF ( zmin < -10. .OR. zmax > 40) THEN
1015	CALL ctl_stop('Error in tedta',' routine obcdta')
1016	ENDIF
1017	zmin=MINVAL( uedta(:,:,nt_x), mask=luemsk ) ; zmax=MAXVAL(uedta(:,:,nt_x), mask=luemsk)
1018	IF ( zmin < -5. .OR. zmax > 5.) THEN
1019	CALL ctl_stop('Error in uedta',' routine obcdta')
1020	ENDIF
1021	zmin=MINVAL( vedta(:,:,nt_x), mask=lvemsk ) ; zmax=MAXVAL(vedta(:,:,nt_x), mask=lvemsk)
1022	IF ( zmin < -5. .OR. zmax > 5.) THEN
1023	CALL ctl_stop('Error in vedta',' routine obcdta')
1024	ENDIF
1025
1026	! Usually printout is done only once at kt = nit000, unless nprint (namelist) > 1
1027	IF ( lwp .AND. ( kt == nit000 .OR. nprint /= 0 ) ) THEN
1028	WRITE(numout,*)
1029	WRITE(numout,*) ' Read East OBC data records ', ntobc_x
1030	ikprint = jpj/20 +1
1031	WRITE(numout,*) ' Temperature record 1 - printout every 3 level'
1032	CALL prihre( tedta(:,:,nt_x), jpj, jpk, 1, jpj, ikprint, jpk, 1, -3, 1., numout )
1033	WRITE(numout,*)
1034	WRITE(numout,*) ' Salinity record 1 - printout every 3 level'
1035	CALL prihre( sedta(:,:,nt_x), jpj, jpk, 1, jpj, ikprint, jpk, 1, -3, 1., numout )
1036	WRITE(numout,*)
1037	WRITE(numout,*) ' Normal velocity U record 1 - printout every 3 level'
1038	CALL prihre( uedta(:,:,nt_x), jpj, jpk, 1, jpj, ikprint, jpk, 1, -3, 1., numout )
1039	WRITE(numout,*)
1040	WRITE(numout,*) ' Tangential velocity V record 1 - printout every 3 level'
1041	CALL prihre( vedta(:,:,nt_x), jpj, jpk, 1, jpj, ikprint, jpk, 1, -3, 1., numout )
1042	ENDIF
1043	ENDIF
1044	ENDIF
1045	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1046	IF ( lp_obc_west ) THEN
1047	! ... Read datafile and set temperature, salinity and normal velocity
1048	! ... initialise the swdta, twdta, uwdta arrays
1049	WRITE(cl_obc_wTS ,'("obc_west_TS_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
1050	WRITE(cl_obc_wU ,'("obc_west_U_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
1051	WRITE(cl_obc_wV ,'("obc_west_V_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
1052	istart(:)=(/njw0+njmpp-1,1/) ; icount(:)=(/njw1-njw0 +1,jpk/)
1053	IF (lwp) WRITE(numout,*) 'read data in :', TRIM(cl_obc_wTS)
1054
1055	IF ( njw1 >= njw0 ) THEN
1056	CALL iom_open ( cl_obc_wTS , id_w )
1057	CALL iom_get ( id_w, jpdom_unknown, 'votemper', twdta(njw0:njw1,:,nt_x), &
1058	& ktime=ntobc_x , kstart=istart, kcount= icount )
1059
1060	CALL iom_get ( id_w, jpdom_unknown, 'vosaline', swdta(njw0:njw1,:,nt_x), &
1061	& ktime=ntobc_x , kstart=istart, kcount= icount)
1062	CALL iom_close (id_w)
1063	!
1064	CALL iom_open ( cl_obc_wU , id_w )
1065	CALL iom_get ( id_w, jpdom_unknown, 'vozocrtx', uwdta(njw0:njw1,:,nt_x),&
1066	& ktime=ntobc_x , kstart=istart, kcount= icount )
1067	CALL iom_close ( id_w )
1068	!
1069	CALL iom_open ( cl_obc_wV , id_w )
1070	CALL iom_get ( id_w, jpdom_unknown, 'vomecrty', vwdta(njw0:njw1,:,nt_x), &
1071	& ktime=ntobc_x , kstart=istart, kcount= icount )
1072	CALL iom_close ( id_w )
1073
1074	! mask the boundary values
1075	twdta(:,:,nt_x) = twdta(:,:,nt_x)twmsk(:,:) ; swdta(:,:,nt_x) = swdta(:,:,nt_x)twmsk(:,:)
1076	uwdta(:,:,nt_x) = uwdta(:,:,nt_x)uwmsk(:,:) ; vwdta(:,:,nt_x) = vwdta(:,:,nt_x)vwmsk(:,:)
1077
1078	! check any outliers
1079	zmin=MINVAL( swdta(:,:,nt_x), mask=ltwmsk ) ; zmax=MAXVAL(swdta(:,:,nt_x), mask=ltwmsk)
1080	IF ( zmin < 5 .OR. zmax > 50) THEN
1081	CALL ctl_stop('Error in swdta',' routine obcdta')
1082	ENDIF
1083	zmin=MINVAL( twdta(:,:,nt_x), mask=ltwmsk ) ; zmax=MAXVAL(twdta(:,:,nt_x), mask=ltwmsk)
1084	IF ( zmin < -10. .OR. zmax > 40) THEN
1085	CALL ctl_stop('Error in twdta',' routine obcdta')
1086	ENDIF
1087	zmin=MINVAL( uwdta(:,:,nt_x), mask=luwmsk ) ; zmax=MAXVAL(uwdta(:,:,nt_x), mask=luwmsk)
1088	IF ( zmin < -5. .OR. zmax > 5.) THEN
1089	CALL ctl_stop('Error in uwdta',' routine obcdta')
1090	ENDIF
1091	zmin=MINVAL( vwdta(:,:,nt_x), mask=lvwmsk ) ; zmax=MAXVAL(vwdta(:,:,nt_x), mask=lvwmsk)
1092	IF ( zmin < -5. .OR. zmax > 5.) THEN
1093	CALL ctl_stop('Error in vwdta',' routine obcdta')
1094	ENDIF
1095
1096
1097	IF ( lwp .AND. ( kt == nit000 .OR. nprint /= 0 ) ) THEN
1098	WRITE(numout,*)
1099	WRITE(numout,*) ' Read West OBC data records ', ntobc_x
1100	ikprint = jpj/20 +1
1101	WRITE(numout,*) ' Temperature record 1 - printout every 3 level'
1102	CALL prihre( twdta(:,:,nt_x), jpj, jpk, 1, jpj, ikprint, jpk, 1, -3, 1., numout )
1103	WRITE(numout,*)
1104	WRITE(numout,*) ' Salinity record 1 - printout every 3 level'
1105	CALL prihre( swdta(:,:,nt_x),jpj,jpk, 1, jpj, ikprint, jpk, 1, -3, 1., numout )
1106	WRITE(numout,*)
1107	WRITE(numout,*) ' Normal velocity U record 1 - printout every 3 level'
1108	CALL prihre( uwdta(:,:,nt_x), jpj, jpk, 1, jpj, ikprint, jpk, 1, -3, 1., numout )
1109	WRITE(numout,*)
1110	WRITE(numout,*) ' Tangential velocity V record 1 - printout every 3 level'
1111	CALL prihre( vwdta(:,:,nt_x), jpj, jpk, 1, jpj, ikprint, jpk, 1, -3, 1., numout )
1112	ENDIF
1113	END IF
1114	ENDIF
1115	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1116	IF( lp_obc_north) THEN
1117	WRITE(cl_obc_nTS ,'("obc_north_TS_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
1118	WRITE(cl_obc_nV ,'("obc_north_V_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
1119	WRITE(cl_obc_nU ,'("obc_north_U_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
1120	istart(:)=(/nin0+nimpp-1,1/) ; icount(:)=(/nin1-nin0 +1,jpk/)
1121	IF (lwp) WRITE(numout,*) 'read data in :', TRIM(cl_obc_nTS)
1122	IF ( nin1 >= nin0 ) THEN
1123	CALL iom_open ( cl_obc_nTS , id_n )
1124	CALL iom_get ( id_n, jpdom_unknown, 'votemper', tndta(nin0:nin1,:,nt_x), &
1125	& ktime=ntobc_x , kstart=istart, kcount= icount )
1126	CALL iom_get ( id_n, jpdom_unknown, 'vosaline', sndta(nin0:nin1,:,nt_x), &
1127	& ktime=ntobc_x , kstart=istart, kcount= icount )
1128	CALL iom_close (id_n)
1129	!
1130	CALL iom_open ( cl_obc_nU , id_n )
1131	CALL iom_get ( id_n, jpdom_unknown, 'vozocrtx', undta(nin0:nin1,:,nt_x), &
1132	& ktime=ntobc_x , kstart=istart, kcount= icount )
1133	CALL iom_close ( id_n )
1134	!
1135	CALL iom_open ( cl_obc_nV , id_n )
1136	CALL iom_get ( id_n, jpdom_unknown, 'vomecrty', vndta(nin0:nin1,:,nt_x), &
1137	& ktime=ntobc_x , kstart=istart, kcount= icount )
1138	CALL iom_close ( id_n )
1139
1140	! mask the boundary values
1141	tndta(:,:,nt_x) = tndta(:,:,nt_x)tnmsk(:,:) ; sndta(:,:,nt_x) = sndta(:,:,nt_x)tnmsk(:,:)
1142	undta(:,:,nt_x) = undta(:,:,nt_x)unmsk(:,:) ; vndta(:,:,nt_x) = vndta(:,:,nt_x)vnmsk(:,:)
1143
1144	! check any outliers
1145	zmin=MINVAL( sndta(:,:,nt_x), mask=ltnmsk ) ; zmax=MAXVAL(sndta(:,:,nt_x), mask=ltnmsk)
1146	IF ( zmin < 5 .OR. zmax > 50) THEN
1147	CALL ctl_stop('Error in sndta',' routine obcdta')
1148	ENDIF
1149	zmin=MINVAL( tndta(:,:,nt_x), mask=ltnmsk ) ; zmax=MAXVAL(tndta(:,:,nt_x), mask=ltnmsk)
1150	IF ( zmin < -10. .OR. zmax > 40) THEN
1151	CALL ctl_stop('Error in tndta',' routine obcdta')
1152	ENDIF
1153	zmin=MINVAL( undta(:,:,nt_x), mask=lunmsk ) ; zmax=MAXVAL(undta(:,:,nt_x), mask=lunmsk)
1154	IF ( zmin < -5. .OR. zmax > 5.) THEN
1155	CALL ctl_stop('Error in undta',' routine obcdta')
1156	ENDIF
1157	zmin=MINVAL( vndta(:,:,nt_x), mask=lvnmsk ) ; zmax=MAXVAL(vndta(:,:,nt_x), mask=lvnmsk)
1158	IF ( zmin < -5. .OR. zmax > 5.) THEN
1159	CALL ctl_stop('Error in vndta',' routine obcdta')
1160	ENDIF
1161
1162	IF ( lwp .AND. ( kt == nit000 .OR. nprint /= 0 ) ) THEN
1163	WRITE(numout,*)
1164	WRITE(numout,*) ' Read North OBC data records ', ntobc_x
1165	ikprint = jpi/20 +1
1166	WRITE(numout,*) ' Temperature record 1 - printout every 3 level'
1167	CALL prihre( tndta(:,:,nt_x), jpi, jpk, 1, jpi, ikprint, jpk, 1, -3, 1., numout )
1168	WRITE(numout,*)
1169	WRITE(numout,*) ' Salinity record 1 - printout every 3 level'
1170	CALL prihre( sndta(:,:,nt_x), jpi, jpk, 1, jpi, ikprint, jpk, 1, -3, 1., numout )
1171	WRITE(numout,*)
1172	WRITE(numout,*) ' Normal velocity V record 1 - printout every 3 level'
1173	CALL prihre( vndta(:,:,nt_x), jpi, jpk, 1, jpi, ikprint, jpk, 1, -3, 1., numout )
1174	WRITE(numout,*)
1175	WRITE(numout,*) ' Tangential velocity U record 1 - printout every 3 level'
1176	CALL prihre( undta(:,:,nt_x), jpi, jpk, 1, jpi, ikprint, jpk, 1, -3, 1., numout )
1177	ENDIF
1178	ENDIF
1179	ENDIF
1180	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1181	IF( lp_obc_south) THEN
1182	WRITE(cl_obc_sTS ,'("obc_south_TS_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
1183	WRITE(cl_obc_sV ,'("obc_south_V_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
1184	WRITE(cl_obc_sU ,'("obc_south_U_y" ,i4.4,"m",i2.2,".nc")' ) iyy,imm
1185	istart(:)=(/nis0+nimpp-1,1/) ; icount(:)=(/nis1-nis0 +1,jpk/)
1186	IF (lwp) WRITE(numout,*) 'read data in :', TRIM(cl_obc_sTS)
1187	IF ( nis1 >= nis0 ) THEN
1188	CALL iom_open ( cl_obc_sTS , id_s )
1189	CALL iom_get ( id_s, jpdom_unknown, 'votemper', tsdta(nis0:nis1,:,nt_x), &
1190	& ktime=ntobc_x , kstart=istart, kcount= icount )
1191	CALL iom_get ( id_s, jpdom_unknown, 'vosaline', ssdta(nis0:nis1,:,nt_x), &
1192	& ktime=ntobc_x , kstart=istart, kcount= icount )
1193	CALL iom_close (id_s)
1194	!
1195	CALL iom_open ( cl_obc_sU , id_s )
1196	CALL iom_get ( id_s, jpdom_unknown, 'vozocrtx', usdta(nis0:nis1,:,nt_x), &
1197	& ktime=ntobc_x , kstart=istart, kcount= icount )
1198	CALL iom_close ( id_s )
1199	!
1200	CALL iom_open ( cl_obc_sV , id_s )
1201	CALL iom_get ( id_s, jpdom_unknown, 'vomecrty', vsdta(nis0:nis1,:,nt_x), &
1202	& ktime=ntobc_x , kstart=istart, kcount= icount )
1203	CALL iom_close ( id_s )
1204
1205	! mask the boundary values
1206	tsdta(:,:,nt_x) = tsdta(:,:,nt_x)tsmsk(:,:) ; ssdta(:,:,nt_x) = ssdta(:,:,nt_x)tsmsk(:,:)
1207	usdta(:,:,nt_x) = usdta(:,:,nt_x)usmsk(:,:) ; vsdta(:,:,nt_x) = vsdta(:,:,nt_x)vsmsk(:,:)
1208
1209	! check any outliers
1210	zmin=MINVAL( ssdta(:,:,nt_x), mask=ltsmsk ) ; zmax=MAXVAL(ssdta(:,:,nt_x), mask=ltsmsk)
1211	IF ( zmin < 5 .OR. zmax > 50) THEN
1212	CALL ctl_stop('Error in ssdta',' routine obcdta')
1213	ENDIF
1214	zmin=MINVAL( tsdta(:,:,nt_x), mask=ltsmsk ) ; zmax=MAXVAL(tsdta(:,:,nt_x), mask=ltsmsk)
1215	IF ( zmin < -10. .OR. zmax > 40) THEN
1216	CALL ctl_stop('Error in tsdta',' routine obcdta')
1217	ENDIF
1218	zmin=MINVAL( usdta(:,:,nt_x), mask=lusmsk ) ; zmax=MAXVAL(usdta(:,:,nt_x), mask=lusmsk)
1219	IF ( zmin < -5. .OR. zmax > 5.) THEN
1220	CALL ctl_stop('Error in usdta',' routine obcdta')
1221	ENDIF
1222	zmin=MINVAL( vsdta(:,:,nt_x), mask=lvsmsk ) ; zmax=MAXVAL(vsdta(:,:,nt_x), mask=lvsmsk)
1223	IF ( zmin < -5. .OR. zmax > 5.) THEN
1224	CALL ctl_stop('Error in vsdta',' routine obcdta')
1225	ENDIF
1226
1227	IF ( lwp .AND. ( kt == nit000 .OR. nprint /= 0 ) ) THEN
1228	WRITE(numout,*)
1229	WRITE(numout,*) ' Read South OBC data records ', ntobc_x
1230	ikprint = jpi/20 +1
1231	WRITE(numout,*) ' Temperature record 1 - printout every 3 level'
1232	CALL prihre( tsdta(:,:,nt_x), jpi, jpk, 1, jpi, ikprint, jpk, 1, -3, 1., numout )
1233	WRITE(numout,*)
1234	WRITE(numout,*) ' Salinity record 1 - printout every 3 level'
1235	CALL prihre( ssdta(:,:,nt_x), jpi, jpk, 1, jpi, ikprint, jpk, 1, -3, 1., numout )
1236	WRITE(numout,*)
1237	WRITE(numout,*) ' Normal velocity V record 1 - printout every 3 level'
1238	CALL prihre( vsdta(:,:,nt_x), jpi, jpk, 1, jpi, ikprint, jpk, 1, -3, 1., numout )
1239	WRITE(numout,*)
1240	WRITE(numout,*) ' Tangential velocity U record 1 - printout every 3 level'
1241	CALL prihre( usdta(:,:,nt_x), jpi, jpk, 1, jpi, ikprint, jpk, 1, -3, 1., numout )
1242	ENDIF
1243	ENDIF
1244	ENDIF
1245	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1246	END SUBROUTINE obc_read
1247
1248	INTEGER FUNCTION nrecbef()
1249	!!-----------------------------------------------------------------------
1250	!! * FUNCTION nrecbef *
1251	!!
1252	!! Purpose : - provide the before record number in files, with respect to zjcnes
1253	!!
1254	!! History : 2008-04 : ( J.M. Molines ) Original code
1255	!!-----------------------------------------------------------------------
1256
1257	INTEGER :: it , idum
1258
1259	idum = itobc
1260	DO it =1, itobc
1261	IF ( ztcobc(it) > zjcnes ) THEN ; idum = it - 1 ; EXIT ; ENDIF
1262	ENDDO
1263	! idum can be 0 (climato, before first record)
1264	IF ( idum == 0 ) THEN
1265	IF ( ln_obc_clim ) THEN
1266	idum = itobc
1267	ELSE
1268	ctmp1='obc_dta: find ntobc == 0 for non climatological file '
1269	ctmp2='consider adding a first record in your data file '
1270	CALL ctl_stop(ctmp1, ctmp2)
1271	ENDIF
1272	ENDIF
1273	! idum can be itobc ( zjcnes > ztcobc (itobc) )
1274	! This is not a problem ...
1275	nrecbef = idum
1276
1277	END FUNCTION nrecbef
1278
1279	#else
1280	!!------------------------------------------------------------------------------
1281	!! default option: Dummy module NO Open Boundary Conditions
1282	!!------------------------------------------------------------------------------
1283	CONTAINS
1284	SUBROUTINE obc_dta( kt ) ! Dummy routine
1285	INTEGER, INTENT (in) :: kt
1286	WRITE(,) 'obc_dta: You should not have seen this print! error?', kt
1287	END SUBROUTINE obc_dta
1288	#endif
1289	END MODULE obcdta

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