/[MITgcm]/MITgcm_contrib/dgoldberg/streamice/streamice_init_varia.F
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Contents of /MITgcm_contrib/dgoldberg/streamice/streamice_init_varia.F

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Revision 1.6 - (show annotations) (download)
Thu Sep 27 20:29:00 2012 UTC (12 years, 9 months ago) by dgoldberg
Branch: MAIN
Changes since 1.5: +37 -3 lines
various changes

1 C $Header: /u/gcmpack/MITgcm_contrib/dgoldberg/streamice/streamice_init_varia.F,v 1.5 2012/09/20 02:04:45 heimbach Exp $
2 C $Name: $
3
4 #include "COST_OPTIONS.h"
5 #include "STREAMICE_OPTIONS.h"
6
7 C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
8
9 CBOP
10 SUBROUTINE STREAMICE_INIT_VARIA( myThid )
11 C /============================================================\
12 C | SUBROUTINE STREAMICE_INIT_VARIA |
13 C | o Routine to initialize STREAMICE variables. |
14 C |============================================================|
15 C | Initialize STREAMICE parameters and variables. |
16 C \============================================================/
17 IMPLICIT NONE
18
19 C === Global variables ===
20 #include "SIZE.h"
21 #include "GRID.h"
22 #include "SET_GRID.h"
23 #include "EEPARAMS.h"
24 #include "PARAMS.h"
25 #include "STREAMICE.h"
26 #include "STREAMICE_CG.h"
27 #include "STREAMICE_ADV.h"
28
29 C === Routine arguments ===
30 C myThid - Number of this instance of STREAMICE_INIT_VARIA
31 INTEGER myThid
32 CEndOfInterface
33
34 #ifdef ALLOW_STREAMICE
35 C === Local variables ===
36 C I,J,bi,bj - Loop counters
37 INTEGER i, j, k, bi, bj, Gi, Gj
38 INTEGER col_y, col_x
39 _RL slope_pos, c1, x, y, lenx, leny
40 CHARACTER*(MAX_LEN_MBUF) msgBuf
41 CEOP
42
43 C ZERO OUT FLOATING POINT ARRAYS
44
45 DO bj = myByLo(myThid), myByHi(myThid)
46 DO bi = myBxLo(myThid), myBxHi(myThid)
47 DO j=1-Oly,sNy+Oly
48 DO i=1-Olx,sNx+Olx
49 H_streamIce(i,j,bi,bj) = 0. _d 0
50 U_streamice(i,j,bi,bj) = 0. _d 0
51 V_streamice(i,j,bi,bj) = 0. _d 0
52 visc_streamice(i,j,bi,bj) = 0. _d 0
53 tau_beta_eff_streamice(i,j,bi,bj) = 0. _d 0
54 float_frac_streamice(i,j,bi,bj) = 0. _d 0
55 base_el_streamice(i,j,bi,bj) = 0. _d 0
56 surf_el_streamice(i,j,bi,bj) = 0. _d 0
57 area_shelf_streamice(i,j,bi,bj) = 0. _d 0
58 mass_ice_streamice(i,j,bi,bj) = 0. _d 0
59 BDOT_streamice(i,j,bi,bj) = 0. _d 0
60 ! C_basal_friction(i,j,bi,bj) = C_basal_fric_const
61 A_glen(i,j,bi,bj) = A_glen_isothermal
62 #ifdef ALLOW_AUTODIFF_TAMC
63 ru_old_si(i,j,bi,bj) = 0. _d 0
64 rv_old_si(i,j,bi,bj) = 0. _d 0
65 zu_old_si(i,j,bi,bj) = 0. _d 0
66 zv_old_si(i,j,bi,bj) = 0. _d 0
67 h_after_uflux_SI(i,j,bi,bj) = 0. _d 0
68 #endif
69 #ifdef USE_ALT_RLOW
70 R_low_si(i,j,bi,bj) = 0. _d 0
71 #endif
72
73 #ifdef STREAMICE_HYBRID_STRESS
74 do k=1,Nr
75 visc_streamice_full(i,j,k,bi,bj) =
76 & eps_glen_min**((1-n_glen)/n_glen)
77 enddo
78 streamice_taubx (i,j,bi,bj) = 0. _d 0
79 streamice_tauby (i,j,bi,bj) = 0. _d 0
80 #endif
81 ENDDO
82 ENDDO
83
84 #ifdef ALLOW_COST_TEST
85 cost_func1_streamice (bi,bj) = 0.0
86 #endif
87
88 ENDDO
89 ENDDO
90
91 DO j = 1-oly, sNy+oly
92 DO i = 1-olx, sNx+olx
93 DO bj = myByLo(myThid), myByHi(myThid)
94 DO bi = myBxLo(myThid), myBxHi(myThid)
95 cc DO k=1,4
96 DO col_x=-1,1
97 DO col_y=-1,1
98 streamice_cg_A1(i,j,bi,bj,col_x,col_y)=0.0
99 streamice_cg_A2(i,j,bi,bj,col_x,col_y)=0.0
100 streamice_cg_A3(i,j,bi,bj,col_x,col_y)=0.0
101 streamice_cg_A4(i,j,bi,bj,col_x,col_y)=0.0
102 ENDDO
103 ENDDO
104 cc ENDDO
105 ENDDO
106 ENDDO
107 ENDDO
108 ENDDO
109
110 C INIT. INTEGER ARRAYS
111
112 DO bj = myByLo(myThid), myByHi(myThid)
113 DO bi = myBxLo(myThid), myBxHi(myThid)
114 DO j=1-Oly,sNy+Oly
115 DO i=1-Olx,sNx+Olx
116 STREAMICE_hmask(i,j,bi,bj) = -1.0
117 STREAMICE_umask(i,j,bi,bj) = 0.0
118 STREAMICE_vmask(i,j,bi,bj) = 0.0
119 STREAMICE_ufacemask(i,j,bi,bj) = 0.0
120 STREAMICE_vfacemask(i,j,bi,bj) = 0.0
121 STREAMICE_float_cond(i,j,bi,bj) = 0.0
122 ENDDO
123 ENDDO
124 ENDDO
125 ENDDO
126
127
128 #ifdef USE_ALT_RLOW
129 ! init alternate array for topog
130 IF ( bathyFile .NE. ' ' ) THEN
131 _BARRIER
132 C The 0 is the "iteration" argument. The ' ' is an empty suffix
133 CALL READ_FLD_XY_RS( bathyFile, '',
134 & R_low_si, 0, myThid )
135
136 ELSE
137 WRITE(msgBuf,'(A)') 'STREAMICE TOPOG - FILENAME MISSING'
138 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
139 & SQUEEZE_RIGHT , 1)
140 ENDIF
141 #endif
142
143 ! initialize thickness
144
145 IF ( STREAMICEthickInit.EQ.'PARAM' ) THEN
146
147 WRITE(msgBuf,'(A)') 'initializing analytic thickness'
148 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
149 & SQUEEZE_RIGHT , 1)
150
151 slope_pos = shelf_edge_pos - shelf_flat_width
152 c1 = 0.0
153 IF (shelf_slope_scale .GT. 0.0) THEN
154 c1 = 1.0 / shelf_slope_scale
155 ENDIF
156
157 DO bj = myByLo(myThid), myByHi(myThid)
158 DO bi = myBxLo(myThid), myBxHi(myThid)
159 DO j=1,sNy
160 DO i=1,sNx
161 Gi = (myXGlobalLo-1)+(bi-1)*sNx+i
162 Gj = (myYGlobalLo-1)+(bj-1)*sNy+j
163
164 IF ((Gi.lt.Nx).and.(Gj.lt.Ny)) THEN
165
166 C IF (flow_dir .EQ. 2.0) THEN
167 IF (.TRUE.) THEN
168 IF (xC(i-1,j,bi,bj).GE.shelf_edge_pos) THEN
169 area_shelf_streamice(i,j,bi,bj) = 0. _d 0
170 STREAMICE_hmask(i,j,bi,bj) = 0. _d 0
171 ELSE
172
173 IF (xC(i,j,bi,bj).GT.slope_pos) THEN
174 H_streamice (i,j,bi,bj) = shelf_min_draft
175 ELSE
176 H_streamice (i,j,bi,bj) = (shelf_min_draft +
177 & (shelf_max_draft - shelf_min_draft) *
178 & min (1.0, (c1*(slope_pos-xC(i,j,bi,bj)))**2))
179 ENDIF
180
181 IF (xC(i,j,bi,bj).GT.shelf_edge_pos) THEN
182 area_shelf_streamice(i,j,bi,bj) = rA(i,j,bi,bj) *
183 & (shelf_edge_pos-xG(i,j,bi,bj)) /
184 & (xG(i+1,j,bi,bj)-xG(i,j,bi,bj))
185 IF (area_shelf_streamice(i,j,bi,bj).gt. 0. _d 0) THEN
186 STREAMICE_hmask(i,j,bi,bj) = 2.0
187 ELSE
188 STREAMICE_hmask(i,j,bi,bj) = 0.0
189 H_streamice(i,j,bi,bj) = 0.0
190 ENDIF
191 ELSE
192 area_shelf_streamice(i,j,bi,bj) = rA(i,j,bi,bj)
193 STREAMICE_hmask(i,j,bi,bj) = 1.0
194 ENDIF
195
196
197 ENDIF
198 ENDIF
199 ENDIF
200 ENDDO
201 ENDDO
202 ENDDO
203 ENDDO
204
205 ELSE IF ( STREAMICEthickInit.EQ.'FILE' ) THEN
206
207 IF ( STREAMICEthickFile .NE. ' ' ) THEN
208 _BARRIER
209 C The 0 is the "iteration" argument. The ' ' is an empty suffix
210 CALL READ_FLD_XY_RS( STREAMICEthickFile, ' ', H_streamice,
211 & 0, myThid )
212 DO bj = myByLo(myThid), myByHi(myThid)
213 DO bi = myBxLo(myThid), myBxHi(myThid)
214 DO j=1,sNy
215 DO i=1,sNx
216 Gi = (myXGlobalLo-1)+(bi-1)*sNx+i
217 Gj = (myYGlobalLo-1)+(bj-1)*sNy+j
218 IF ((Gi.lt.Nx.OR.STREAMICE_EW_periodic).and.
219 & (Gj.lt.Ny.OR.STREAMICE_NS_periodic)) THEN
220 IF (H_streamice(i,j,bi,bj).GT.0. _d 0) THEN
221 area_shelf_streamice(i,j,bi,bj) = rA(i,j,bi,bj)
222 STREAMICE_hmask(i,j,bi,bj) = 1.0
223 ELSE
224 area_shelf_streamice(i,j,bi,bj) = 0. _d 0
225 STREAMICE_hmask(i,j,bi,bj) = 0. _d 0
226 ENDIF
227 ENDIF
228 ENDDO
229 ENDDO
230 ENDDO
231 ENDDO
232 ELSE
233 WRITE(msgBuf,'(A)') 'INIT THICKNESS - FILENAME MISSING'
234 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
235 & SQUEEZE_RIGHT , 1)
236 ENDIF
237
238 ELSE
239
240 WRITE(msgBuf,'(A)') 'INIT THICKNESS - NOT IMPLENTED'
241 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
242 & SQUEEZE_RIGHT , 1)
243 ENDIF
244
245 ! finish initialize thickness
246
247 ! initialize basal traction
248
249 IF ( STREAMICEbasalTracConfig.EQ.'FILE' ) THEN
250
251 IF ( STREAMICEbasalTracFile .NE. ' ' ) THEN
252 _BARRIER
253 C The 0 is the "iteration" argument. The ' ' is an empty suffix
254 CALL READ_FLD_XY_RS( STREAMICEbasalTracFile, ' ',
255 & C_basal_friction, 0, myThid )
256
257 ELSE
258 WRITE(msgBuf,'(A)') 'INIT THICKNESS - FILENAME MISSING'
259 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
260 & SQUEEZE_RIGHT , 1)
261 ENDIF
262
263 ELSE IF (STREAMICEbasalTracConfig.EQ.'UNIFORM' ) THEN
264
265 DO bj = myByLo(myThid), myByHi(myThid)
266 DO bi = myBxLo(myThid), myBxHi(myThid)
267 DO j=1,sNy
268 DO i=1,sNx
269 C_basal_friction(i,j,bi,bj) = C_basal_fric_const
270 ENDDO
271 ENDDO
272 ENDDO
273 ENDDO
274
275 ELSE IF (STREAMICEbasalTracConfig.EQ.'2DPERIODIC' ) THEN
276
277 lenx = sNx*nSx*nPx*delX(1)
278 leny = sNy*nSy*nPy*delY(1)
279 print *, 'lenx', lenx
280 print *, 'leny', leny
281 DO bj = myByLo(myThid), myByHi(myThid)
282 DO bi = myBxLo(myThid), myBxHi(myThid)
283 DO j=1,sNy
284 DO i=1,sNx
285 x = xC(i,j,bi,bj)
286 y = yC(i,j,bi,bj)
287 C_basal_friction(i,j,bi,bj) =
288 & sqrt(C_basal_fric_const**2*
289 & (1+sin(2*streamice_kx_b_init*PI*x/lenx)*
290 & sin(2*streamice_ky_b_init*PI*y/leny)))
291 ENDDO
292 ENDDO
293 ENDDO
294 ENDDO
295
296 ELSE IF (STREAMICEbasalTracConfig.EQ.'1DPERIODIC' ) THEN
297
298 lenx = sNx*nSx*nPx*delX(1)
299 print *, 'lenx', lenx
300 DO bj = myByLo(myThid), myByHi(myThid)
301 DO bi = myBxLo(myThid), myBxHi(myThid)
302 DO j=1,sNy
303 DO i=1,sNx
304 x = xC(i,j,bi,bj)
305 y = yC(i,j,bi,bj)
306 C_basal_friction(i,j,bi,bj) =
307 & sqrt(C_basal_fric_const**2*(1+
308 & sin(2*streamice_kx_b_init*PI*x/lenx)))
309 ENDDO
310 ENDDO
311 ENDDO
312 ENDDO
313
314 ELSE
315
316 WRITE(msgBuf,'(A)') 'INIT THICKNESS - NOT IMPLENTED'
317 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
318 & SQUEEZE_RIGHT , 1)
319 ENDIF
320
321 ! finish initialize basal traction
322
323 CALL STREAMICE_UPD_FFRAC_UNCOUPLED ( myThid )
324
325 _EXCH_XY_RL(H_streamice, myThid )
326 _EXCH_XY_RL(STREAMICE_hmask, myThid )
327 _EXCH_XY_RL(area_shelf_streamice, myThid )
328 _EXCH_XY_RL(C_basal_friction, myThid )
329 #ifdef USE_ALT_RLOW
330 _EXCH_XY_RL(R_low_si, myThid )
331 #endif
332
333 #ifdef STREAMICE_HYBRID_STRESS
334
335 CALL STREAMICE_VISC_BETA (myThid)
336
337 #endif
338
339 CALL WRITE_FLD_XY_RL ( "C_basal_fric", "",
340 & C_basal_friction, 0, myThid )
341 CALL WRITE_FLD_XY_RL ( "H_streamice", "init",
342 & H_streamIce, 0, myThid )
343 CALL WRITE_FLD_XY_RL ( "area_shelf_streamice", "init",
344 & area_shelf_streamice, 0, myThid )
345 CALL WRITE_FLD_XY_RL ( "STREAMICE_hmask", "init",
346 & STREAMICE_hmask, 0, myThid )
347
348 ! CALL STREAMICE_VELMASK_UPD (myThid)
349 ! CALL STREAMICE_UPD_FFRAC_UNCOUPLED ( myThid )
350 ! CALL STREAMICE_VEL_SOLVE( myThid )
351
352 CALL WRITE_FLD_XY_RL ( "U_init", "",
353 & C_basal_friction, 0, myThid )
354 CALL WRITE_FLD_XY_RL ( "V_init", "",
355 & V_streamice, 0, myThid )
356 #ifdef USE_ALT_RLOW
357 CALL WRITE_FLD_XY_RL ( "R_low_si", "init",
358 & R_low_si, 0, myThid )
359 #endif
360
361 ! CALL WRITE_FULLARRAY_RL ("H",H_streamice,1,0,0,1,0,myThid)
362 ! CALL WRITE_FULLARRAY_RL ("hmask",STREAMICE_hmask,1,0,0,1,0,myThid)
363 ! CALL WRITE_FULLARRAY_RL ("umask",STREAMICE_umask,1,0,0,1,0,myThid)
364
365 #endif /* ALLOW_STREAMICE */
366
367 RETURN
368 END
369

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