/[MITgcm]/MITgcm_contrib/dgoldberg/streamice/streamice_init_fixed.F
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Revision 1.5 - (hide annotations) (download)
Thu Mar 7 15:23:19 2013 UTC (12 years, 4 months ago) by dgoldberg
Branch: MAIN
Changes since 1.4: +33 -2 lines
bug fixes, GL smoothing, changes for controlling bathym with const surf elev

1 dgoldberg 1.5 C $Header: /u/gcmpack/MITgcm_contrib/dgoldberg/streamice/streamice_init_fixed.F,v 1.4 2013/02/11 00:57:31 dgoldberg Exp $
2 heimbach 1.1 C $Name: $
3    
4     #include "STREAMICE_OPTIONS.h"
5    
6     C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
7     CBOP 0
8     C !ROUTINE: STREAMICE_INIT_FIXED
9    
10     C !INTERFACE:
11     SUBROUTINE STREAMICE_INIT_FIXED( myThid )
12    
13     C !DESCRIPTION:
14     C Initialize STREAMICE variables that are kept fixed during the run.
15    
16     C !USES:
17     IMPLICIT NONE
18     #include "EEPARAMS.h"
19     #include "SIZE.h"
20     #include "PARAMS.h"
21     #include "STREAMICE.h"
22     #include "STREAMICE_CG.h"
23     #include "STREAMICE_BDRY.h"
24     #include "GRID.h"
25    
26     C myThid :: my Thread Id number
27     INTEGER myThid
28     CEOP
29    
30     C !LOCAL VARIABLES:
31     C === Local variables ===
32 dgoldberg 1.4 INTEGER bi, bj, i, j, Gi, Gj, m, k
33 dgoldberg 1.3 INTEGER maskFlag, hmaskFlag
34 heimbach 1.1 _RL x, y
35 dgoldberg 1.4 _RS dummyRS
36 heimbach 1.1 CHARACTER*(MAX_LEN_MBUF) msgBuf
37    
38     #ifdef ALLOW_STREAMICE
39    
40 dgoldberg 1.3 #ifdef STREAMICE_GEOM_FILE_SETUP
41     _RS temp_ufacemask (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
42     _RS temp_vfacemask (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
43     _RS temp_hmask (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
44     #endif
45    
46 heimbach 1.1 #ifdef ALLOW_MNC
47    
48     IF ( useMNC .AND. (streamice_tave_mnc.OR.streamice_dump_mnc)
49     & ) THEN
50     C CALL STREAMICE_MNC_INIT( myThid )
51     ENDIF
52     #endif /* ALLOW_MNC */
53    
54     #ifdef ALLOW_DIAGNOSTICS
55     IF ( useDiagnostics ) THEN
56     CALL STREAMICE_INIT_DIAGNOSTICS( myThid )
57     ENDIF
58     #endif
59    
60 dgoldberg 1.3 ! CALVING MASK - LIMIT OF ICE SHELF FRONT ADVANCE
61    
62 heimbach 1.1 IF ( STREAMICE_calve_to_mask ) THEN
63     IF ( STREAMICEcalveMaskFile .NE. ' ') THEN
64     _BARRIER
65     C The 0 is the "iteration" argument. The ' ' is an empty suffix
66     CALL READ_FLD_XY_RL( STREAMICEcalveMaskFile, ' ',
67     & STREAMICE_calve_mask, 0, myThid )
68     ELSE
69     WRITE(msgBuf,'(A)') 'INIT CALVE MASK - NOT IMPLENTED'
70     CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
71     & SQUEEZE_RIGHT , 1)
72     ENDIF
73     ENDIF
74    
75 dgoldberg 1.2
76     ! INITIALIZE SIGMA COORD
77     IF (STREAMICEsigcoordInit.eq.'FILE') THEN
78     WRITE(msgBuf,'(A)') 'SIG FROM FILE - NOT IMPLENTED'
79     CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
80     & SQUEEZE_RIGHT , 1)
81     ELSEIF (STREAMICEsigcoordInit.eq.'UNIFORM') THEN
82     do m=1,Nr
83     streamice_sigma_coord (m) = 1./Nr * (m-0.5)
84     streamice_delsigma (m) = 1./Nr
85     enddo
86     ELSE
87     WRITE(msgBuf,'(A)') 'SIG COORD INIT - NOT IMPLENTED'
88     CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
89     & SQUEEZE_RIGHT , 1)
90     ENDIF
91 dgoldberg 1.3
92 dgoldberg 1.5
93     #ifdef ALLOW_COST
94     IF ( STREAMICEcostMaskFile .NE. ' ') THEN
95     _BARRIER
96     C The 0 is the "iteration" argument. The ' ' is an empty suffix
97     CALL READ_FLD_XY_RL( STREAMICEcostMaskFile, ' ',
98     & STREAMICE_cost_mask, 0, myThid )
99     ELSE
100     WRITE(msgBuf,'(A)') 'COST MASK - NOT IMPLENTED'
101     CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
102     & SQUEEZE_RIGHT , 1)
103    
104     DO bj = myByLo(myThid), myByHi(myThid)
105     DO bi = myBxLo(myThid), myBxHi(myThid)
106     DO j=1,sNy
107     DO i=1,sNx
108     STREAMICE_cost_mask (i,j,bi,bj) = 1.0
109     ENDDO
110     ENDDO
111     ENDDO
112     ENDDO
113    
114     ENDIF
115     #endif
116    
117    
118 dgoldberg 1.3 ! READ IN FILES FOR BOUNDARY MASKS AND DIRICH VALUES
119     #ifdef STREAMICE_GEOM_FILE_SETUP
120    
121     IF ( STREAMICEuFaceBdryFile .NE. ' ') THEN
122     _BARRIER
123     CALL READ_FLD_XY_RS ( STREAMICEuFaceBdryFile, ' ',
124     & temp_ufacemask, 0, myThid )
125     ELSE
126     WRITE(msgBuf,'(A)') 'U FACE MASK - NOT SET'
127     CALL PRINT_ERROR( msgBuf, myThid)
128     ENDIF
129    
130     IF ( STREAMICEvFaceBdryFile .NE. ' ') THEN
131     _BARRIER
132     CALL READ_FLD_XY_RS ( STREAMICEvFaceBdryFile, ' ',
133     & temp_vfacemask, 0, myThid )
134     ELSE
135     WRITE(msgBuf,'(A)') 'V FACE MASK - NOT SET'
136     CALL PRINT_ERROR( msgBuf, myThid)
137     ENDIF
138    
139 dgoldberg 1.4 _EXCH_XY_RS(temp_ufacemask,myThid)
140     _EXCH_XY_RS(temp_ufacemask,myThid)
141    
142 dgoldberg 1.3 IF ( STREAMICEuDirichValsFile .NE. ' ') THEN
143     _BARRIER
144     CALL READ_FLD_XY_RL ( STREAMICEuDirichValsFile, ' ',
145     & u_bdry_values_SI, 0, myThid )
146     ELSE
147     WRITE(msgBuf,'(A)') 'U DIRICH VALS - NOT SET'
148     CALL PRINT_ERROR( msgBuf, myThid)
149     ENDIF
150    
151     IF ( STREAMICEvDirichValsFile .NE. ' ') THEN
152     _BARRIER
153     CALL READ_FLD_XY_RL ( STREAMICEvDirichValsFile, ' ',
154     & v_bdry_values_SI, 0, myThid )
155     ELSE
156     WRITE(msgBuf,'(A)') 'V DIRICH VALS - NOT SET'
157     CALL PRINT_ERROR( msgBuf, myThid)
158     ENDIF
159    
160     ! with this setup hmask is initialized here rather than in init_varia,
161     ! because it is needed to set no-flow boundaries, even though the field
162     ! could potentially change due to ice shelf front advance and calving
163     ! (POTENTIAL PROBLEMS WITH TAF?????? USE TEMP FIELD HERE AND SET HMASK IN INIT_VARIA??)
164    
165     IF ( STREAMICEhMaskFile .NE. ' ') THEN
166     _BARRIER
167     CALL READ_FLD_XY_RS ( STREAMICEhMaskFile, ' ',
168     & temp_hmask, 0, myThid )
169     ELSE
170     WRITE(msgBuf,'(A)') 'H MASK FILE - NOT SET'
171     CALL PRINT_ERROR( msgBuf, myThid)
172     ENDIF
173 dgoldberg 1.4
174     _EXCH_XY_RS(temp_hmask,myThid)
175    
176    
177     #ifdef ALLOW_CTRL
178     DO bj = myByLo(myThid), myByHi(myThid)
179     DO bi = myBxLo(myThid), myBxHi(myThid)
180     DO j=1,sNy
181     DO i=1,sNx
182     IF (temp_hmask(i,j,bi,bj) .eq. 1.0) THEN
183     DO k=1,Nr
184     STREAMICE_ctrl_mask(i,j,k,bi,bj) = 1. _d 0
185     ENDDO
186     ENDIF
187     ENDDO
188     ENDDO
189     ENDDO
190     ENDDO
191     #endif
192 dgoldberg 1.3
193     #endif
194    
195    
196 dgoldberg 1.2 !!!!!!!!!!!!!!!!!!!!!!!!!
197    
198 heimbach 1.1 C- fill in the overlap (+ BARRIER):
199     _EXCH_XY_RL(STREAMICE_calve_mask, myThid )
200    
201     DO bj = myByLo(myThid), myByHi(myThid)
202     DO bi = myBxLo(myThid), myBxHi(myThid)
203     DO j=1,sNy
204     DO i=1,sNx
205    
206     C INIT VALUES FOR METRIC TERMS
207    
208     k1AtC_str(i,j,bi,bj) = recip_rA(i,j,bi,bj) *
209     & (dxG(i+1,j,bi,bj)-dxG(i,j,bi,bj))
210     k2AtC_str(i,j,bi,bj) = recip_rA(i,j,bi,bj) *
211     & (dyG(i,j+1,bi,bj)-dyG(i,j,bi,bj))
212    
213 dgoldberg 1.2 #ifdef STREAMICE_HYBRID_STRESS
214     streamice_basal_geom (i,j,bi,bj) = 1.0
215     #endif
216    
217 heimbach 1.1 C INIT BDRY CONDITIONS
218    
219 dgoldberg 1.3 #ifndef STREAMICE_GEOM_FILE_SETUP
220    
221 heimbach 1.1 Gi = (myXGlobalLo-1)+(bi-1)*sNx+i
222     Gj = (myYGlobalLo-1)+(bj-1)*sNy+j
223     x = xC(i,j,bi,bj)
224     y = yC(i,j,bi,bj)
225    
226     STREAMICE_ufacemask_bdry (i,j,bi,bj) = -1.0
227     STREAMICE_vfacemask_bdry (i,j,bi,bj) = -1.0
228    
229 dgoldberg 1.2 IF (Gi.EQ.1 .AND. .NOT. STREAMICE_EW_periodic) THEN
230 heimbach 1.1 C INITIALIZE BOUNDARY CONDS AT WEST
231     IF ((y .gt. min_y_noflow_WEST) .AND.
232     & (y .le. max_y_noflow_WEST)) THEN
233     STREAMICE_ufacemask_bdry (i,j,bi,bj) = 0.0
234     ENDIF
235     IF ((y .gt. min_y_noStress_WEST) .AND.
236     & (y .le. max_y_noStress_WEST)) THEN
237     STREAMICE_ufacemask_bdry (i,j,bi,bj) = 1.0
238     ENDIF
239     IF ((y .gt. min_y_FluxBdry_WEST) .AND.
240     & (y .le. max_y_FluxBdry_WEST)) THEN
241     STREAMICE_ufacemask_bdry (i,j,bi,bj) = 4.0
242     u_flux_bdry_SI (i,j,bi,bj) = flux_bdry_val_WEST
243     ENDIF
244     IF ((y .gt. min_y_Dirich_WEST) .AND.
245     & (y .le. max_y_Dirich_WEST)) THEN
246     STREAMICE_ufacemask_bdry (i,j,bi,bj) = 3.0
247     u_bdry_values_SI (i,j,bi,bj) = 0.0
248     ENDIF
249     IF ((y .gt. min_y_CFBC_WEST) .AND.
250     & (y .le. max_y_CFBC_WEST)) THEN
251     STREAMICE_ufacemask_bdry (i,j,bi,bj) = 2.0
252     ENDIF
253     ENDIF
254    
255 dgoldberg 1.2 IF (Gi.EQ.Nx .AND. .NOT. STREAMICE_EW_periodic) THEN
256 heimbach 1.1 C INITIALIZE BOUNDARY CONDS AT EAST
257     IF ((y .gt. min_y_noflow_EAST) .AND.
258     & (y .le. max_y_noflow_EAST)) THEN
259     STREAMICE_ufacemask_bdry (i,j,bi,bj) = 0.0
260     ENDIF
261     IF ((y .gt. min_y_noStress_EAST) .AND.
262     & (y .le. max_y_noStress_EAST)) THEN
263     STREAMICE_ufacemask_bdry (i,j,bi,bj) = 1.0
264     ENDIF
265     IF ((y .gt. min_y_FluxBdry_EAST) .AND.
266     & (y .le. max_y_FluxBdry_EAST)) THEN
267     STREAMICE_ufacemask_bdry (i,j,bi,bj) = 4.0
268     u_flux_bdry_SI (i,j,bi,bj) = flux_bdry_val_EAST
269     ENDIF
270     IF ((y .gt. min_y_Dirich_EAST) .AND.
271     & (y .le. max_y_Dirich_EAST)) THEN
272     STREAMICE_ufacemask_bdry (i,j,bi,bj) = 3.0
273     u_bdry_values_SI (i,j,bi,bj) = 0. _d 0
274     ENDIF
275     IF ((y .gt. min_y_CFBC_EAST) .AND.
276     & (y .le. max_y_CFBC_EAST)) THEN
277     STREAMICE_ufacemask_bdry (i,j,bi,bj) = 2.0
278     ENDIF
279     ENDIF
280    
281 dgoldberg 1.2 IF (Gj.EQ.1 .AND. .NOT. STREAMICE_NS_periodic) THEN
282 heimbach 1.1 C INITIALIZE BOUNDARY CONDS AT SOUTH
283     IF ((x .gt. min_x_noflow_SOUTH) .AND.
284     & (x .le. max_x_noflow_SOUTH)) THEN
285     STREAMICE_vfacemask_bdry (i,j,bi,bj) = 0.0
286     ENDIF
287     IF ((x .gt. min_x_noStress_SOUTH) .AND.
288     & (x .le. max_x_noStress_SOUTH)) THEN
289     STREAMICE_vfacemask_bdry (i,j,bi,bj) = 1.0
290     ENDIF
291     IF ((x .gt. min_x_FluxBdry_SOUTH) .AND.
292     & (x .le. max_x_FluxBdry_SOUTH)) THEN
293     STREAMICE_vfacemask_bdry (i,j,bi,bj) = 4.0
294     u_flux_bdry_SI (i,j,bi,bj) = flux_bdry_val_SOUTH
295     ENDIF
296     IF ((x .gt. min_x_Dirich_SOUTH) .AND.
297     & (x .le. max_x_Dirich_SOUTH)) THEN
298     STREAMICE_vfacemask_bdry (i,j,bi,bj) = 3.0
299     u_bdry_values_SI (i,j,bi,bj) = 0. _d 0
300     ENDIF
301     IF ((x .gt. min_x_CFBC_SOUTH) .AND.
302     & (x .le. max_x_CFBC_SOUTH)) THEN
303     STREAMICE_vfacemask_bdry (i,j,bi,bj) = 2.0
304     ENDIF
305     ENDIF
306    
307 dgoldberg 1.2 IF (Gj.EQ.Ny .AND. .NOT. STREAMICE_NS_periodic) THEN
308 heimbach 1.1 C INITIALIZE BOUNDARY CONDS AT NORTH
309     IF ((x .gt. min_x_noflow_NORTH) .AND.
310     & (x .le. max_x_noflow_NORTH)) THEN
311     STREAMICE_vfacemask_bdry (i,j,bi,bj) = 0. _d 0
312     ENDIF
313     IF ((x .gt. min_x_noStress_NORTH) .AND.
314     & (x .le. max_x_noStress_NORTH)) THEN
315     STREAMICE_vfacemask_bdry (i,j,bi,bj) = 1.0
316     ENDIF
317     IF ((x .gt. min_x_FluxBdry_NORTH) .AND.
318     & (x .le. max_x_FluxBdry_NORTH)) THEN
319     STREAMICE_vfacemask_bdry (i,j,bi,bj) = 4.0
320     v_flux_bdry_SI (i,j,bi,bj) = flux_bdry_val_NORTH
321     ENDIF
322     IF ((x .gt. min_x_Dirich_NORTH) .AND.
323     & (x .le. max_x_Dirich_NORTH)) THEN
324     STREAMICE_vfacemask_bdry (i,j,bi,bj) = 3.0
325     v_bdry_values_SI (i,j,bi,bj) = 0. _d 0
326     ENDIF
327     IF ((x .gt. min_x_CFBC_NORTH) .AND.
328     & (x .le. max_x_CFBC_NORTH)) THEN
329     STREAMICE_vfacemask_bdry (i,j,bi,bj) = 2.0
330     ENDIF
331     ENDIF
332 dgoldberg 1.3
333     #else
334     ! BOUNDARIES CONFIGURED FROM FILES
335    
336 dgoldberg 1.4
337 dgoldberg 1.3 IF (temp_hmask(i,j,bi,bj).eq.1.0 .or.
338 dgoldberg 1.4 & temp_hmask(i,j,bi,bj).eq.0.0 .or.
339     & temp_hmask(i-1,j,bi,bj).eq.1.0) THEN
340 dgoldberg 1.3
341     ! WEST FACE OF CELL
342     maskFlag=INT(temp_ufacemask(i,j,bi,bj))
343     IF (maskFlag.eq.2) THEN
344     STREAMICE_ufacemask_bdry (i,j,bi,bj) = 2.0
345     ELSEIF (maskFlag.eq.3) THEN
346     STREAMICE_ufacemask_bdry (i,j,bi,bj) = 3.0
347     ELSEIF (maskFlag.eq.1) THEN
348     STREAMICE_ufacemask_bdry (i,j,bi,bj) = 1.0
349     ELSEIF ((maskFlag.eq.0) .or.
350     & ((maskFlag.eq.-1) .and.
351     & (temp_hmask(i-1,j,bi,bj).eq.-1.0))) THEN
352     STREAMICE_ufacemask_bdry (i,j,bi,bj) = 0.0
353     ELSE
354     STREAMICE_ufacemask_bdry (i,j,bi,bj) = -1.0
355     ENDIF
356    
357 dgoldberg 1.4 ENDIF
358    
359     IF (temp_hmask(i,j,bi,bj).eq.1.0 .or.
360     & temp_hmask(i,j,bi,bj).eq.0.0) THEN
361    
362 dgoldberg 1.3 ! EAST FACE OF CELL
363     maskFlag=INT(temp_ufacemask(i+1,j,bi,bj))
364     IF (maskFlag.eq.2) THEN
365     STREAMICE_ufacemask_bdry (i+1,j,bi,bj) = 2.0
366     ELSEIF (maskFlag.eq.3) THEN
367     STREAMICE_ufacemask_bdry (i+1,j,bi,bj) = 3.0
368     ELSEIF (maskFlag.eq.1) THEN
369     STREAMICE_ufacemask_bdry (i+1,j,bi,bj) = 1.0
370     ELSEIF ((maskFlag.eq.0) .or.
371     & ((maskFlag.eq.-1) .and.
372     & (temp_hmask(i+1,j,bi,bj).eq.-1.0))) THEN
373     STREAMICE_ufacemask_bdry (i+1,j,bi,bj) = 0.0
374     ELSE
375     STREAMICE_ufacemask_bdry (i+1,j,bi,bj) = -1.0
376     ENDIF
377    
378 dgoldberg 1.4 ENDIF
379    
380     IF (temp_hmask(i,j,bi,bj).eq.1.0 .or.
381     & temp_hmask(i,j,bi,bj).eq.0.0 .or.
382     & temp_hmask(i,j-1,bi,bj).eq.1.0) THEN
383    
384 dgoldberg 1.3 ! SOUTH FACE OF CELL
385     maskFlag=INT(temp_vfacemask(i,j,bi,bj))
386     IF (maskFlag.eq.2) THEN
387     STREAMICE_vfacemask_bdry (i,j,bi,bj) = 2.0
388     ELSEIF (maskFlag.eq.3) THEN
389     STREAMICE_vfacemask_bdry (i,j,bi,bj) = 3.0
390     ELSEIF (maskFlag.eq.1) THEN
391     STREAMICE_vfacemask_bdry (i,j,bi,bj) = 1.0
392     ELSEIF ((maskFlag.eq.0) .or.
393     & ((maskFlag.eq.-1) .and.
394     & (temp_hmask(i,j-1,bi,bj).eq.-1.0))) THEN
395     STREAMICE_vfacemask_bdry (i,j,bi,bj) = 0.0
396     ELSE
397     STREAMICE_vfacemask_bdry (i,j,bi,bj) = -1.0
398     ENDIF
399    
400 dgoldberg 1.4 ENDIF
401    
402     IF (temp_hmask(i,j,bi,bj).eq.1.0 .or.
403     & temp_hmask(i,j,bi,bj).eq.0.0) THEN
404    
405    
406 dgoldberg 1.3 ! NORTH FACE OF CELL
407     maskFlag=INT(temp_vfacemask(i,j+1,bi,bj))
408     IF (maskFlag.eq.2) THEN
409     STREAMICE_vfacemask_bdry (i,j+1,bi,bj) = 2.0
410     ELSEIF (maskFlag.eq.3) THEN
411     STREAMICE_vfacemask_bdry (i,j+1,bi,bj) = 3.0
412     ELSEIF (maskFlag.eq.1) THEN
413     STREAMICE_vfacemask_bdry (i,j+1,bi,bj) = 1.0
414     ELSEIF ((maskFlag.eq.0) .or.
415     & ((maskFlag.eq.-1) .and.
416     & (temp_hmask(i,j+1,bi,bj).eq.-1.0))) THEN
417     STREAMICE_vfacemask_bdry (i,j+1,bi,bj) = 0.0
418     ELSE
419     STREAMICE_vfacemask_bdry (i,j+1,bi,bj) = -1.0
420     ENDIF
421    
422     ENDIF ! hmask==1 or hmask==0
423    
424     #endif
425 heimbach 1.1
426     ENDDO
427     ENDDO
428     ENDDO
429     ENDDO
430    
431 dgoldberg 1.4 #ifdef ALLOW_CTRL
432     ! _EXCH_XY_RL(STREAMICE_ctrl_mask, myThid )
433     CALL ACTIVE_WRITE_GEN_RS( 'maskCtrlL', STREAMICE_ctrl_mask,
434     & 'XY', Nr, 1, .FALSE., 0, mythid, dummyRS )
435     #endif
436    
437 dgoldberg 1.5 #ifdef ALLOW_COST
438     ! _EXCH_XY_RL(STREAMICE_ctrl_mask, myThid )
439     CALL WRITE_FLD_XY_RS ( 'maskCost', '',
440     & STREAMICE_cost_mask, 0, myThid )
441     #endif
442    
443 dgoldberg 1.4
444 heimbach 1.1 _EXCH_XY_RL(k1AtC_str, myThid )
445     _EXCH_XY_RL(k2AtC_str, myThid )
446     _EXCH_XY_RL(STREAMICE_ufacemask_bdry, myThid )
447     _EXCH_XY_RL(STREAMICE_vfacemask_bdry, myThid )
448     _EXCH_XY_RL(u_bdry_values_SI, myThid )
449     _EXCH_XY_RL(v_bdry_values_SI, myThid )
450     _EXCH_XY_RL(u_flux_bdry_SI, myThid )
451     _EXCH_XY_RL(v_flux_bdry_SI, myThid )
452    
453     Xquad (1) = .5 * (1.-1./sqrt(3.))
454     Xquad (2) = .5 * (1.+1./sqrt(3.))
455    
456     CALL STREAMICE_INIT_PHI( myThid )
457    
458    
459     #endif
460    
461     RETURN
462     END
463    

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