/[MITgcm]/MITgcm/pkg/obcs/obcs_external_fields_load.F
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Revision 1.9 - (hide annotations) (download)
Mon Nov 5 19:19:05 2007 UTC (16 years, 7 months ago) by jmc
Branch: MAIN
Changes since 1.8: +3 -2 lines
split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h

1 jmc 1.9 C $Header: /u/gcmpack/MITgcm/pkg/obcs/obcs_external_fields_load.F,v 1.8 2007/11/04 03:51:30 jmc Exp $
2 mlosch 1.1 C $Name: $
3     #include "OBCS_OPTIONS.h"
4 jmc 1.8
5 mlosch 1.1 CBOP
6     C !ROUTINE: OBCS_EXTERNAL_FIELDS_LOAD
7     C !INTERFACE:
8     SUBROUTINE OBCS_EXTERNAL_FIELDS_LOAD( myTime, myIter, myThid )
9     C !DESCRIPTION: \bv
10     C *==========================================================*
11 jmc 1.8 C | SUBROUTINE OBCS_EXTERNAL_FIELDS_LOAD
12     C | o Control reading of fields from external source.
13 mlosch 1.1 C *==========================================================*
14 mlosch 1.5 C | External source field loading routine for open boundaries.
15 jmc 1.8 C | This routine is called every time we want to
16     C | load a a set of external open boundary fields.
17 mlosch 1.5 C | Only if there are fields available (file names are not empty)
18     C | the open boundary fields are overwritten.
19     C | The routine decides which fields to load and then reads them in.
20 jmc 1.8 C | This routine needs to be customised for particular
21     C | experiments.
22     C | Notes
23     C | =====
24     C | Two-dimensional and three-dimensional I/O are handled in
25     C | the following way under MITgcmUV. A master thread
26     C | performs I/O using system calls. This threads reads data
27     C | into a temporary buffer. At present the buffer is loaded
28     C | with the entire model domain. This is probably OK for now
29     C | Each thread then copies data from the buffer to the
30     C | region of the proper array it is responsible for.
31 mlosch 1.1 C | =====
32     C | This routine is the complete analogue to external_fields_load,
33     C | except for exchanges of forcing fields. These are done in
34     C | obcs_precribe_exchanges, which is called from dynamics.
35     C | - Forcing period and cycle are the same as for other fields
36     C | in external forcing.
37     C | - constant boundary values are also read here and not
38 jmc 1.8 C | directly in obcs_init_variables (which calls obcs_calc
39 mlosch 1.5 C | which in turn calls this routine)
40 mlosch 1.1 C *==========================================================*
41     C \ev
42    
43     C !USES:
44     IMPLICIT NONE
45     C === Global variables ===
46     #include "SIZE.h"
47     #include "EEPARAMS.h"
48     #include "PARAMS.h"
49     #include "GRID.h"
50 jmc 1.8
51 mlosch 1.1 C !INPUT/OUTPUT PARAMETERS:
52     C === Routine arguments ===
53     C myThid - Thread no. that called this routine.
54     C myTime - Simulation time
55     C myIter - Simulation timestep number
56     INTEGER myThid
57     _RL myTime
58     INTEGER myIter
59 jmc 1.8
60 mlosch 1.1 C if external forcing (exf) package is enabled, all loading of external
61     C fields is done by exf
62 mlosch 1.5 #if (defined ALLOW_OBCS && defined ALLOW_OBCS_PRESCRIBE && !defined ALLOW_EXF)
63     C
64 mlosch 1.1 #include "OBCS.h"
65 jmc 1.8 #ifdef ALLOW_PTRACERS
66 mlosch 1.5 #include "PTRACERS_SIZE.h"
67     #include "OBCS_PTRACERS.h"
68 jmc 1.9 #include "PTRACERS_PARAMS.h"
69     c#include "PTRACERS_FIELDS.h"
70 mlosch 1.5 #endif /* ALLOW_PTRACERS */
71 mlosch 1.1
72     C !LOCAL VARIABLES:
73     C === Local arrays ===
74     C aWght, bWght :: Interpolation weights
75 mlosch 1.5 C msgBuf :: Informational/error meesage buffer
76     INTEGER intime0,intime1,iTracer
77 mlosch 1.1 _RL aWght,bWght,rdt
78     INTEGER nForcingPeriods,Imytm,Ifprd,Ifcyc,Iftm
79 mlosch 1.5 CHARACTER*(MAX_LEN_MBUF) msgBuf
80 mlosch 1.1 CEOP
81    
82     IF ( periodicExternalForcing ) THEN
83    
84     C Now calculate whether it is time to update the forcing arrays
85     rdt=1. _d 0 / deltaTclock
86     nForcingPeriods=int(externForcingCycle/externForcingPeriod+0.5)
87     Imytm=int(myTime*rdt+0.5)
88     Ifprd=int(externForcingPeriod*rdt+0.5)
89     Ifcyc=int(externForcingCycle*rdt+0.5)
90     Iftm=mod( Imytm+Ifcyc-Ifprd/2 ,Ifcyc)
91    
92     intime0=int(Iftm/Ifprd)
93     intime1=mod(intime0+1,nForcingPeriods)
94     aWght=float( Iftm-Ifprd*intime0 )/float( Ifprd )
95     bWght=1.-aWght
96    
97     intime0=intime0+1
98     intime1=intime1+1
99    
100     IF (
101     & Iftm-Ifprd*(intime0-1) .EQ. 0
102     & .OR. myIter .EQ. nIter0
103     & ) THEN
104    
105 jmc 1.7 _BARRIER
106 mlosch 1.1 _BEGIN_MASTER(myThid)
107    
108     C If the above condition is met then we need to read in
109     C data for the period ahead and the period behind myTime.
110 mlosch 1.5 WRITE(msgBuf,'(1X,A,2I5,I10,1P1E20.12)')
111     & 'OBCS_EXTERNAL_FIELDS_LOAD: Reading new data:',
112 mlosch 1.4 & intime0, intime1, myIter, myTime
113 mlosch 1.5 CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,
114     & SQUEEZE_RIGHT,myThid)
115 mlosch 1.1
116 jmc 1.8 #ifdef ALLOW_MDSIO
117 mlosch 1.2 #ifdef ALLOW_OBCS_EAST
118 mlosch 1.1 C Eastern boundary
119     IF ( OBEuFile .NE. ' ' ) THEN
120     CALL MDSREADFIELDYZ ( OBEuFile, readBinaryPrec,
121     & 'RL', Nr, OBEu0, intime0, myThid )
122 mlosch 1.5 CALL MDSREADFIELDYZ ( OBEuFile, readBinaryPrec,
123 mlosch 1.4 & 'RL', Nr, OBEu1, intime1, myThid )
124 mlosch 1.1 ENDIF
125     IF ( OBEvFile .NE. ' ' ) THEN
126     CALL MDSREADFIELDYZ ( OBEvFile, readBinaryPrec,
127     & 'RL', Nr, OBEv0, intime0, myThid )
128     CALL MDSREADFIELDYZ ( OBEvFile, readBinaryPrec,
129 mlosch 1.4 & 'RL', Nr, OBEv1, intime1, myThid )
130 mlosch 1.1 ENDIF
131 mlosch 1.2 IF ( OBEtFile .NE. ' ' ) THEN
132 mlosch 1.1 CALL MDSREADFIELDYZ ( OBEtFile, readBinaryPrec,
133     & 'RL', Nr, OBEt0, intime0, myThid )
134     CALL MDSREADFIELDYZ ( OBEtFile, readBinaryPrec,
135 mlosch 1.4 & 'RL', Nr, OBEt1, intime1, myThid )
136 mlosch 1.1 ENDIF
137 mlosch 1.2 IF ( OBEsFile .NE. ' ' ) THEN
138 mlosch 1.1 CALL MDSREADFIELDYZ ( OBEsFile, readBinaryPrec,
139     & 'RL', Nr, OBEs0, intime0, myThid )
140     CALL MDSREADFIELDYZ ( OBEsFile, readBinaryPrec,
141 mlosch 1.4 & 'RL', Nr, OBEs1, intime1, myThid )
142 mlosch 1.1 ENDIF
143     #endif /* ALLOW_OBCS_WEST */
144     #ifdef ALLOW_OBCS_WEST
145     C Western boundary
146     IF ( OBWuFile .NE. ' ' ) THEN
147     CALL MDSREADFIELDYZ ( OBWuFile, readBinaryPrec,
148     & 'RL', Nr, OBWu0, intime0, myThid )
149 mlosch 1.5 CALL MDSREADFIELDYZ ( OBWuFile, readBinaryPrec,
150 mlosch 1.4 & 'RL', Nr, OBWu1, intime1, myThid )
151 mlosch 1.1 ENDIF
152     IF ( OBWvFile .NE. ' ' ) THEN
153     CALL MDSREADFIELDYZ ( OBWvFile, readBinaryPrec,
154     & 'RL', Nr, OBWv0, intime0, myThid )
155     CALL MDSREADFIELDYZ ( OBWvFile, readBinaryPrec,
156 mlosch 1.4 & 'RL', Nr, OBWv1, intime1, myThid )
157 mlosch 1.1 ENDIF
158 mlosch 1.2 IF ( OBWtFile .NE. ' ' ) THEN
159 mlosch 1.1 CALL MDSREADFIELDYZ ( OBWtFile, readBinaryPrec,
160     & 'RL', Nr, OBWt0, intime0, myThid )
161     CALL MDSREADFIELDYZ ( OBWtFile, readBinaryPrec,
162 mlosch 1.4 & 'RL', Nr, OBWt1, intime1, myThid )
163 mlosch 1.1 ENDIF
164 mlosch 1.2 IF ( OBWsFile .NE. ' ' ) THEN
165 mlosch 1.1 CALL MDSREADFIELDYZ ( OBWsFile, readBinaryPrec,
166     & 'RL', Nr, OBWs0, intime0, myThid )
167     CALL MDSREADFIELDYZ ( OBWsFile, readBinaryPrec,
168 mlosch 1.4 & 'RL', Nr, OBWs1, intime1, myThid )
169 mlosch 1.1 ENDIF
170     #endif /* ALLOW_OBCS_WEST */
171     #ifdef ALLOW_OBCS_NORTH
172     C Northern boundary
173     IF ( OBNuFile .NE. ' ' ) THEN
174     CALL MDSREADFIELDXZ ( OBNuFile, readBinaryPrec,
175     & 'RL', Nr, OBNu0, intime0, myThid )
176 mlosch 1.5 CALL MDSREADFIELDXZ ( OBNuFile, readBinaryPrec,
177 mlosch 1.4 & 'RL', Nr, OBNu1, intime1, myThid )
178 mlosch 1.1 ENDIF
179     IF ( OBNvFile .NE. ' ' ) THEN
180     CALL MDSREADFIELDXZ ( OBNvFile, readBinaryPrec,
181     & 'RL', Nr, OBNv0, intime0, myThid )
182     CALL MDSREADFIELDXZ ( OBNvFile, readBinaryPrec,
183 mlosch 1.4 & 'RL', Nr, OBNv1, intime1, myThid )
184 mlosch 1.1 ENDIF
185 mlosch 1.2 IF ( OBNtFile .NE. ' ' ) THEN
186 mlosch 1.1 CALL MDSREADFIELDXZ ( OBNtFile, readBinaryPrec,
187     & 'RL', Nr, OBNt0, intime0, myThid )
188     CALL MDSREADFIELDXZ ( OBNtFile, readBinaryPrec,
189 mlosch 1.4 & 'RL', Nr, OBNt1, intime1, myThid )
190 mlosch 1.1 ENDIF
191 mlosch 1.2 IF ( OBNsFile .NE. ' ' ) THEN
192 mlosch 1.1 CALL MDSREADFIELDXZ ( OBNsFile, readBinaryPrec,
193     & 'RL', Nr, OBNs0, intime0, myThid )
194     CALL MDSREADFIELDXZ ( OBNsFile, readBinaryPrec,
195 mlosch 1.4 & 'RL', Nr, OBNs1, intime1, myThid )
196 mlosch 1.1 ENDIF
197     #endif /* ALLOW_OBCS_NORTH */
198     #ifdef ALLOW_OBCS_SOUTH
199     C Southern boundary
200     IF ( OBSuFile .NE. ' ' ) THEN
201     CALL MDSREADFIELDXZ ( OBSuFile, readBinaryPrec,
202     & 'RL', Nr, OBSu0, intime0, myThid )
203 mlosch 1.5 CALL MDSREADFIELDXZ ( OBSuFile, readBinaryPrec,
204 mlosch 1.4 & 'RL', Nr, OBSu1, intime1, myThid )
205 mlosch 1.1 ENDIF
206     IF ( OBSvFile .NE. ' ' ) THEN
207     CALL MDSREADFIELDXZ ( OBSvFile, readBinaryPrec,
208     & 'RL', Nr, OBSv0, intime0, myThid )
209     CALL MDSREADFIELDXZ ( OBSvFile, readBinaryPrec,
210 mlosch 1.4 & 'RL', Nr, OBSv1, intime1, myThid )
211 mlosch 1.1 ENDIF
212 mlosch 1.2 IF ( OBStFile .NE. ' ' ) THEN
213 mlosch 1.1 CALL MDSREADFIELDXZ ( OBStFile, readBinaryPrec,
214     & 'RL', Nr, OBSt0, intime0, myThid )
215     CALL MDSREADFIELDXZ ( OBStFile, readBinaryPrec,
216 mlosch 1.4 & 'RL', Nr, OBSt1, intime1, myThid )
217 mlosch 1.1 ENDIF
218 mlosch 1.2 IF ( OBSsFile .NE. ' ' ) THEN
219 mlosch 1.1 CALL MDSREADFIELDXZ ( OBSsFile, readBinaryPrec,
220     & 'RL', Nr, OBSs0, intime0, myThid )
221     CALL MDSREADFIELDXZ ( OBSsFile, readBinaryPrec,
222 mlosch 1.4 & 'RL', Nr, OBSs1, intime1, myThid )
223 mlosch 1.1 ENDIF
224     #endif /* ALLOW_OBCS_SOUTH */
225 mlosch 1.5 #ifdef ALLOW_PTRACERS
226     IF (usePTRACERS) THEN
227     C read boundary values for passive tracers
228     DO iTracer = 1, PTRACERS_numInUse
229     # ifdef ALLOW_OBCS_EAST
230     C Eastern boundary
231     IF ( OBEptrFile(iTracer) .NE. ' ' ) THEN
232     CALL MDSREADFIELDYZ ( OBEptrFile(itracer), readBinaryPrec,
233 jmc 1.8 & 'RL', Nr, OBEptr0(1-Oly,1,1,1,iTracer),
234 mlosch 1.5 & intime0, myThid )
235     CALL MDSREADFIELDYZ ( OBEptrFile(itracer), readBinaryPrec,
236 jmc 1.8 & 'RL', Nr, OBEptr1(1-Oly,1,1,1,iTracer),
237 mlosch 1.5 & intime1, myThid )
238     ENDIF
239     # endif /* ALLOW_OBCS_WEST */
240     # ifdef ALLOW_OBCS_WEST
241     C Western boundary
242     IF ( OBWptrFile(iTracer) .NE. ' ' ) THEN
243     CALL MDSREADFIELDYZ ( OBWptrFile(itracer), readBinaryPrec,
244 jmc 1.8 & 'RL', Nr, OBWptr0(1-Oly,1,1,1,iTracer),
245 mlosch 1.5 & intime0, myThid )
246     CALL MDSREADFIELDYZ ( OBWptrFile(itracer), readBinaryPrec,
247 jmc 1.8 & 'RL', Nr, OBWptr1(1-Oly,1,1,1,iTracer),
248 mlosch 1.5 & intime1, myThid )
249     ENDIF
250     # endif /* ALLOW_OBCS_WEST */
251     # ifdef ALLOW_OBCS_NORTH
252     C Northern boundary
253     IF ( OBNptrFile(iTracer) .NE. ' ' ) THEN
254     CALL MDSREADFIELDXZ ( OBNptrFile(itracer), readBinaryPrec,
255 jmc 1.8 & 'RL', Nr, OBNptr0(1-Olx,1,1,1,iTracer),
256 mlosch 1.5 & intime0, myThid )
257     CALL MDSREADFIELDXZ ( OBNptrFile(itracer), readBinaryPrec,
258 jmc 1.8 & 'RL', Nr, OBNptr1(1-Olx,1,1,1,iTracer),
259 mlosch 1.5 & intime1, myThid )
260     ENDIF
261     # endif /* ALLOW_OBCS_NORTH */
262     # ifdef ALLOW_OBCS_SOUTH
263     C Southern boundary
264     IF ( OBSptrFile(iTracer) .NE. ' ' ) THEN
265     CALL MDSREADFIELDXZ ( OBSptrFile(itracer), readBinaryPrec,
266 jmc 1.8 & 'RL', Nr, OBSptr0(1-Olx,1,1,1,iTracer),
267 mlosch 1.5 & intime0, myThid )
268     CALL MDSREADFIELDXZ ( OBSptrFile(itracer), readBinaryPrec,
269 jmc 1.8 & 'RL', Nr, OBSptr1(1-Olx,1,1,1,iTracer),
270 mlosch 1.5 & intime1, myThid )
271     ENDIF
272     # endif /* ALLOW_OBCS_SOUTH */
273     C end do iTracer
274     ENDDO
275     C end if (usePTRACERS)
276     ENDIF
277     #endif /* ALLOW_PTRACERS */
278 jmc 1.8 #else /* ALLOW_MDSIO */
279     STOP 'ABNORMAL END: OBCS_EXTERNAL_FIELDS_LOAD: NEEDS MSDIO PKG'
280     #endif /* ALLOW_MDSIO */
281    
282 mlosch 1.1 _END_MASTER(myThid)
283     C
284     C At this point in external_fields_load the input fields are exchanged.
285 jmc 1.8 C However, we do not have exchange routines for vertical
286 mlosch 1.1 C slices and they are not planned, either, so the approriate fields
287 jmc 1.8 C are exchanged after the open boundary conditions have been
288 mlosch 1.1 C applied. (in DYNAMICS and DO_FIELDS_BLOCKING_EXCHANGES)
289 jmc 1.7 _BARRIER
290    
291     C end if time to read new data
292 mlosch 1.1 ENDIF
293    
294     C if not periodicForcing
295     ELSE
296 mlosch 1.5 aWght = 0. _d 0
297     bWght = 1. _d 0
298 mlosch 1.1 C read boundary values once and for all
299     IF ( myIter .EQ. nIter0 ) THEN
300 jmc 1.7 _BARRIER
301 mlosch 1.1 _BEGIN_MASTER(myThid)
302 mlosch 1.2 C Read constant boundary conditions only for myIter = nIter0
303 mlosch 1.5 WRITE(msgBuf,'(1X,A,I10,1P1E20.12)')
304 jmc 1.7 & 'OBCS_EXTERNAL_FIELDS_LOAD: Reading initial data:',
305 mlosch 1.5 & myIter, myTime
306     CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,
307     & SQUEEZE_RIGHT,myThid)
308     inTime0 = 1
309 jmc 1.8 #ifdef ALLOW_MDSIO
310 mlosch 1.2 #ifdef ALLOW_OBCS_EAST
311 mlosch 1.1 C Eastern boundary
312     IF ( OBEuFile .NE. ' ' ) THEN
313     CALL MDSREADFIELDYZ ( OBEuFile, readBinaryPrec,
314 mlosch 1.2 & 'RL', Nr, OBEu0, inTime0, myThid )
315 mlosch 1.1 ENDIF
316     IF ( OBEvFile .NE. ' ' ) THEN
317     CALL MDSREADFIELDYZ ( OBEvFile, readBinaryPrec,
318 mlosch 1.2 & 'RL', Nr, OBEv0, inTime0, myThid )
319 mlosch 1.1 ENDIF
320 mlosch 1.2 IF ( OBEtFile .NE. ' ' ) THEN
321 mlosch 1.1 CALL MDSREADFIELDYZ ( OBEtFile, readBinaryPrec,
322 mlosch 1.2 & 'RL', Nr, OBEt0, inTime0, myThid )
323 mlosch 1.1 ENDIF
324 mlosch 1.2 IF ( OBEsFile .NE. ' ' ) THEN
325 mlosch 1.1 CALL MDSREADFIELDYZ ( OBEsFile, readBinaryPrec,
326 mlosch 1.2 & 'RL', Nr, OBEs0, inTime0, myThid )
327 mlosch 1.1 ENDIF
328     #endif /* ALLOW_OBCS_WEST */
329     #ifdef ALLOW_OBCS_WEST
330     C Western boundary
331     IF ( OBWuFile .NE. ' ' ) THEN
332     CALL MDSREADFIELDYZ ( OBWuFile, readBinaryPrec,
333 mlosch 1.2 & 'RL', Nr, OBWu0, inTime0, myThid )
334 mlosch 1.1 ENDIF
335     IF ( OBWvFile .NE. ' ' ) THEN
336     CALL MDSREADFIELDYZ ( OBWvFile, readBinaryPrec,
337 mlosch 1.2 & 'RL', Nr, OBWv0, inTime0, myThid )
338 mlosch 1.1 ENDIF
339 mlosch 1.2 IF ( OBWtFile .NE. ' ' ) THEN
340 mlosch 1.1 CALL MDSREADFIELDYZ ( OBWtFile, readBinaryPrec,
341 mlosch 1.2 & 'RL', Nr, OBWt0, inTime0, myThid )
342 mlosch 1.1 ENDIF
343 mlosch 1.2 IF ( OBWsFile .NE. ' ' ) THEN
344 mlosch 1.1 CALL MDSREADFIELDYZ ( OBWsFile, readBinaryPrec,
345 mlosch 1.2 & 'RL', Nr, OBWs0, inTime0, myThid )
346 mlosch 1.1 ENDIF
347     #endif /* ALLOW_OBCS_WEST */
348     #ifdef ALLOW_OBCS_NORTH
349     C Northern boundary
350     IF ( OBNuFile .NE. ' ' ) THEN
351     CALL MDSREADFIELDXz ( OBNuFile, readBinaryPrec,
352 mlosch 1.2 & 'RL', Nr, OBNu0, inTime0, myThid )
353 mlosch 1.1 ENDIF
354     IF ( OBNvFile .NE. ' ' ) THEN
355     CALL MDSREADFIELDXZ ( OBNvFile, readBinaryPrec,
356 mlosch 1.2 & 'RL', Nr, OBNv0, inTime0, myThid )
357 mlosch 1.1 ENDIF
358 mlosch 1.2 IF ( OBNtFile .NE. ' ' ) THEN
359 mlosch 1.1 CALL MDSREADFIELDXZ ( OBNtFile, readBinaryPrec,
360 mlosch 1.2 & 'RL', Nr, OBNt0, inTime0, myThid )
361 mlosch 1.1 ENDIF
362 mlosch 1.2 IF ( OBNsFile .NE. ' ' ) THEN
363 mlosch 1.1 CALL MDSREADFIELDXZ ( OBNsFile, readBinaryPrec,
364 mlosch 1.2 & 'RL', Nr, OBNs0, inTime0, myThid )
365 mlosch 1.1 ENDIF
366     #endif /* ALLOW_OBCS_NORTH */
367     #ifdef ALLOW_OBCS_SOUTH
368     C Southern boundary
369     IF ( OBSuFile .NE. ' ' ) THEN
370     CALL MDSREADFIELDXz ( OBSuFile, readBinaryPrec,
371 mlosch 1.2 & 'RL', Nr, OBSu0, inTime0, myThid )
372 mlosch 1.1 ENDIF
373     IF ( OBSvFile .NE. ' ' ) THEN
374     CALL MDSREADFIELDXZ ( OBSvFile, readBinaryPrec,
375 mlosch 1.2 & 'RL', Nr, OBSv0, inTime0, myThid )
376 mlosch 1.1 ENDIF
377 mlosch 1.2 IF ( OBStFile .NE. ' ' ) THEN
378 mlosch 1.1 CALL MDSREADFIELDXZ ( OBStFile, readBinaryPrec,
379 mlosch 1.2 & 'RL', Nr, OBSt0, inTime0, myThid )
380 mlosch 1.1 ENDIF
381 mlosch 1.2 IF ( OBSsFile .NE. ' ' ) THEN
382 mlosch 1.1 CALL MDSREADFIELDXZ ( OBSsFile, readBinaryPrec,
383 mlosch 1.2 & 'RL', Nr, OBSs0, inTime0, myThid )
384 mlosch 1.1 ENDIF
385     #endif /* ALLOW_OBCS_SOUTH */
386 mlosch 1.5 #ifdef ALLOW_PTRACERS
387     IF (usePTRACERS) THEN
388     C read passive tracer boundary values
389     DO iTracer = 1, PTRACERS_numInUse
390     # ifdef ALLOW_OBCS_EAST
391     C Eastern boundary
392     IF ( OBEptrFile(iTracer) .NE. ' ' ) THEN
393     CALL MDSREADFIELDYZ ( OBEptrFile(iTracer), readBinaryPrec,
394     & 'RL', Nr, OBEptr0(1-Oly,1,1,1,iTracer),
395     & inTime0, myThid )
396     ENDIF
397     # endif /* ALLOW_OBCS_WEST */
398     # ifdef ALLOW_OBCS_WEST
399     C Western boundary
400     IF ( OBWptrFile(iTracer) .NE. ' ' ) THEN
401     CALL MDSREADFIELDYZ ( OBWptrFile(iTracer), readBinaryPrec,
402     & 'RL', Nr, OBWptr0(1-Oly,1,1,1,iTracer),
403     & inTime0, myThid )
404     ENDIF
405     # endif /* ALLOW_OBCS_WEST */
406     # ifdef ALLOW_OBCS_NORTH
407     C Northern boundary
408     IF ( OBNptrFile(iTracer) .NE. ' ' ) THEN
409     CALL MDSREADFIELDXZ ( OBNptrFile(iTracer), readBinaryPrec,
410     & 'RL', Nr, OBNptr0(1-Olx,1,1,1,iTracer),
411     & inTime0, myThid )
412     ENDIF
413     # endif /* ALLOW_OBCS_NORTH */
414     # ifdef ALLOW_OBCS_SOUTH
415     C Southern boundary
416     IF ( OBSptrFile(iTracer) .NE. ' ' ) THEN
417     CALL MDSREADFIELDXZ ( OBSptrFile(iTracer), readBinaryPrec,
418     & 'RL', Nr, OBSptr0(1-Olx,1,1,1,iTracer),
419     & inTime0, myThid )
420     ENDIF
421     # endif /* ALLOW_OBCS_SOUTH */
422     C end do iTracer
423     ENDDO
424     C end if (usePTRACERS)
425     ENDIF
426     #endif /* ALLOW_PTRACERS */
427 jmc 1.8 #else /* ALLOW_MDSIO */
428     STOP 'ABNORMAL END: OBCS_EXTERNAL_FIELDS_LOAD: NEEDS MSDIO PKG'
429     #endif /* ALLOW_MDSIO */
430 mlosch 1.1 _END_MASTER(myThid)
431 jmc 1.7 _BARRIER
432 mlosch 1.1 C endif myIter .EQ. nIter0
433     ENDIF
434 mlosch 1.5 C endif for periodicForcing
435     ENDIF
436    
437     C-- Now interpolate OBSu, OBSv, OBSt, OBSs, OBSptr, etc.
438 jmc 1.8 C-- For periodicForcing, aWght = 0. and bWght = 1. so that the
439     C-- interpolation boilds down to copying the time-independent
440 mlosch 1.5 C-- forcing field OBSu0 to OBSu
441 mlosch 1.2 #ifdef ALLOW_OBCS_EAST
442 jmc 1.8 IF ( OBEuFile .NE. ' ' ) CALL OBCS_EXTERNAL_FIELDS_INTERP_YZ(
443 mlosch 1.5 & OBEu, OBEu0, OBEu1, aWght, bWght, myThid )
444 jmc 1.8 IF ( OBEvFile .NE. ' ' ) CALL OBCS_EXTERNAL_FIELDS_INTERP_YZ(
445 mlosch 1.5 & OBEv, OBEv0, OBEv1, aWght, bWght, myThid )
446     IF ( OBEtFile .NE. ' ' ) CALL OBCS_EXTERNAL_FIELDS_INTERP_YZ(
447     & OBEt, OBEt0, OBEt1, aWght, bWght, myThid )
448 jmc 1.8 IF ( OBEsFile .NE. ' ' ) CALL OBCS_EXTERNAL_FIELDS_INTERP_YZ(
449 mlosch 1.5 & OBEs, OBEs0, OBEs1, aWght, bWght, myThid )
450 mlosch 1.2 #endif /* ALLOW_OBCS_EAST */
451     #ifdef ALLOW_OBCS_WEST
452 jmc 1.8 IF ( OBWuFile .NE. ' ' ) CALL OBCS_EXTERNAL_FIELDS_INTERP_YZ(
453 mlosch 1.5 & OBWu, OBWu0, OBWu1, aWght, bWght, myThid )
454 jmc 1.8 IF ( OBWvFile .NE. ' ' ) CALL OBCS_EXTERNAL_FIELDS_INTERP_YZ(
455 mlosch 1.5 & OBWv, OBWv0, OBWv1, aWght, bWght, myThid )
456     IF ( OBWtFile .NE. ' ' ) CALL OBCS_EXTERNAL_FIELDS_INTERP_YZ(
457     & OBWt, OBWt0, OBWt1, aWght, bWght, myThid )
458 jmc 1.8 IF ( OBWsFile .NE. ' ' ) CALL OBCS_EXTERNAL_FIELDS_INTERP_YZ(
459 mlosch 1.5 & OBWs, OBWs0, OBWs1, aWght, bWght, myThid )
460 mlosch 1.2 #endif /* ALLOW_OBCS_WEST */
461     #ifdef ALLOW_OBCS_NORTH
462 jmc 1.8 IF ( OBNuFile .NE. ' ' ) CALL OBCS_EXTERNAL_FIELDS_INTERP_XZ(
463 mlosch 1.5 & OBNu, OBNu0, OBNu1, aWght, bWght, myThid )
464 jmc 1.8 IF ( OBNvFile .NE. ' ' ) CALL OBCS_EXTERNAL_FIELDS_INTERP_XZ(
465 mlosch 1.5 & OBNv, OBNv0, OBNv1, aWght, bWght, myThid )
466     IF ( OBNtFile .NE. ' ' ) CALL OBCS_EXTERNAL_FIELDS_INTERP_XZ(
467     & OBNt, OBNt0, OBNt1, aWght, bWght, myThid )
468 jmc 1.8 IF ( OBNsFile .NE. ' ' ) CALL OBCS_EXTERNAL_FIELDS_INTERP_XZ(
469 mlosch 1.5 & OBNs, OBNs0, OBNs1, aWght, bWght, myThid )
470 mlosch 1.2 #endif /* ALLOW_OBCS_NORTH */
471     #ifdef ALLOW_OBCS_SOUTH
472 jmc 1.8 IF ( OBSuFile .NE. ' ' ) CALL OBCS_EXTERNAL_FIELDS_INTERP_XZ(
473 mlosch 1.5 & OBSu, OBSu0, OBSu1, aWght, bWght, myThid )
474 jmc 1.8 IF ( OBSvFile .NE. ' ' ) CALL OBCS_EXTERNAL_FIELDS_INTERP_XZ(
475 mlosch 1.5 & OBSv, OBSv0, OBSv1, aWght, bWght, myThid )
476     IF ( OBStFile .NE. ' ' ) CALL OBCS_EXTERNAL_FIELDS_INTERP_XZ(
477     & OBSt, OBSt0, OBSt1, aWght, bWght, myThid )
478 jmc 1.8 IF ( OBSsFile .NE. ' ' ) CALL OBCS_EXTERNAL_FIELDS_INTERP_XZ(
479 mlosch 1.5 & OBSs, OBSs0, OBSs1, aWght, bWght, myThid )
480 mlosch 1.2 #endif /* ALLOW_OBCS_SOUTH */
481 mlosch 1.5 #ifdef ALLOW_PTRACERS
482     IF (usePTRACERS) THEN
483     C "interpolate" passive tracer boundary values
484     DO iTracer = 1, PTRACERS_numInUse
485     # ifdef ALLOW_OBCS_EAST
486     IF ( OBEptrFile(iTracer) .NE. ' ' )
487 jmc 1.8 & CALL OBCS_EXTERNAL_FIELDS_INTERP_YZ(
488     O OBEptr (1-Oly,1,1,1,iTracer),
489     I OBEptr0(1-Oly,1,1,1,iTracer),
490 mlosch 1.6 I OBEptr1(1-Oly,1,1,1,iTracer), aWght, bWght, myThid )
491 mlosch 1.5 # endif /* ALLOW_OBCS_EAST */
492     # ifdef ALLOW_OBCS_WEST
493     IF ( OBWptrFile(iTracer) .NE. ' ' )
494 jmc 1.8 & CALL OBCS_EXTERNAL_FIELDS_INTERP_YZ(
495     O OBWptr (1-Oly,1,1,1,iTracer),
496     I OBWptr0(1-Oly,1,1,1,iTracer),
497 mlosch 1.5 I OBWptr1(1-Oly,1,1,1,iTracer), aWght, bWght, myThid )
498     # endif /* ALLOW_OBCS_WEST */
499     # ifdef ALLOW_OBCS_NORTH
500     IF ( OBNptrFile(iTracer) .NE. ' ' )
501 jmc 1.8 & CALL OBCS_EXTERNAL_FIELDS_INTERP_XZ(
502     O OBNptr (1-Olx,1,1,1,iTracer),
503     I OBNptr0(1-Olx,1,1,1,iTracer),
504 mlosch 1.5 I OBNptr1(1-Olx,1,1,1,iTracer), aWght, bWght, myThid )
505     # endif /* ALLOW_OBCS_NORTH */
506     # ifdef ALLOW_OBCS_SOUTH
507     IF ( OBSptrFile(iTracer) .NE. ' ' )
508 jmc 1.8 & CALL OBCS_EXTERNAL_FIELDS_INTERP_XZ(
509     O OBSptr (1-Olx,1,1,1,iTracer),
510     I OBSptr0(1-Olx,1,1,1,iTracer),
511 mlosch 1.5 I OBSptr1(1-Olx,1,1,1,iTracer), aWght, bWght, myThid )
512     # endif /* ALLOW_OBCS_SOUTH */
513     C end do iTracer
514     ENDDO
515     C end if (usePTRACERS)
516     ENDIF
517     #endif /* ALLOW_PTRACERS */
518     CMLC endif for periodicForcing
519     CML ENDIF
520    
521     RETURN
522     END
523    
524     CBOP
525     C !ROUTINE: OBCS_EXTERNAL_FIELDS_INTERP_XZ
526     C !INTERFACE:
527 jmc 1.8 SUBROUTINE OBCS_EXTERNAL_FIELDS_INTERP_XZ(
528     O fld,
529 mlosch 1.5 I fld0, fld1, aWght, bWght, myThid )
530     C !DESCRIPTION: \bv
531     C *==========================================================*
532 jmc 1.8 C | SUBROUTINE OBCS_EXTERNAL_FIELDS_INTERP_XZ
533 mlosch 1.5 C | o Interpolate between to records
534     C *==========================================================*
535     C \ev
536    
537     C !USES:
538     IMPLICIT NONE
539     C === Global variables ===
540     #include "SIZE.h"
541     #include "EEPARAMS.h"
542     #include "PARAMS.h"
543 jmc 1.8
544 mlosch 1.5 C !INPUT/OUTPUT PARAMETERS:
545     C === Routine arguments ===
546     C myThid - Thread no. that called this routine.
547     C aWght, bWght :: Interpolation weights
548     INTEGER myThid
549     _RL aWght,bWght
550     _RL fld (1-Olx:sNx+Olx,Nr,nSx,nSy)
551     _RL fld0(1-Olx:sNx+Olx,Nr,nSx,nSy)
552     _RL fld1(1-Olx:sNx+Olx,Nr,nSx,nSy)
553    
554     C !LOCAL VARIABLES:
555     C === Local arrays ===
556     C bi,bj,i,j :: loop counters
557     INTEGER bi,bj,i,k
558     CEOP
559     DO bj = myByLo(myThid), myByHi(myThid)
560     DO bi = myBxLo(myThid), myBxHi(myThid)
561     DO K = 1, Nr
562     DO i=1-Olx,sNx+Olx
563 jmc 1.8 fld(i,k,bi,bj) = bWght*fld0(i,k,bi,bj)
564 mlosch 1.5 & +aWght*fld1(i,k,bi,bj)
565 mlosch 1.2 ENDDO
566     ENDDO
567     ENDDO
568 jmc 1.7 ENDDO
569 mlosch 1.1
570     RETURN
571     END
572 mlosch 1.5 CBOP
573     C !ROUTINE: OBCS_EXTERNAL_FIELDS_INTERP_YZ
574     C !INTERFACE:
575 jmc 1.8 SUBROUTINE OBCS_EXTERNAL_FIELDS_INTERP_YZ(
576     O fld,
577 mlosch 1.5 I fld0, fld1, aWght, bWght, myThid )
578     C !DESCRIPTION: \bv
579     C *==========================================================*
580 jmc 1.8 C | SUBROUTINE OBCS_EXTERNAL_FIELDS_INTERP_YZ
581 mlosch 1.5 C | o Interpolate between to records
582     C *==========================================================*
583     C \ev
584    
585     C !USES:
586     IMPLICIT NONE
587     C === Global variables ===
588     #include "SIZE.h"
589     #include "EEPARAMS.h"
590     #include "PARAMS.h"
591 jmc 1.8
592 mlosch 1.5 C !INPUT/OUTPUT PARAMETERS:
593     C === Routine arguments ===
594     C myThid - Thread no. that called this routine.
595     C aWght, bWght :: Interpolation weights
596     INTEGER myThid
597     _RL aWght,bWght
598     _RL fld (1-Oly:sNy+Oly,Nr,nSx,nSy)
599     _RL fld0(1-Oly:sNy+Oly,Nr,nSx,nSy)
600     _RL fld1(1-Oly:sNy+Oly,Nr,nSx,nSy)
601    
602     C !LOCAL VARIABLES:
603     C === Local arrays ===
604     C bi,bj,i,j :: loop counters
605     INTEGER bi,bj,j,k
606     CEOP
607     DO bj = myByLo(myThid), myByHi(myThid)
608     DO bi = myBxLo(myThid), myBxHi(myThid)
609     DO K = 1, Nr
610     DO j=1-Oly,sNy+Oly
611 jmc 1.8 fld(j,k,bi,bj) = bWght*fld0(j,k,bi,bj)
612 mlosch 1.5 & +aWght*fld1(j,k,bi,bj)
613     ENDDO
614     ENDDO
615     ENDDO
616     ENDDO
617    
618     #endif /* ALLOW_OBCS AND ALLOW_OBCS_PRESCRIBE AND .NOT. ALLOW_EXF */
619 mlosch 1.1
620 mlosch 1.5 RETURN
621     END

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