1 |
mlosch |
1.2 |
C $Header: /u/gcmpack/MITgcm/pkg/seaice/seaice_init_varia.F,v 1.1 2006/10/22 01:11:02 heimbach Exp $ |
2 |
heimbach |
1.1 |
C $Name: $ |
3 |
|
|
|
4 |
|
|
#include "SEAICE_OPTIONS.h" |
5 |
|
|
|
6 |
|
|
CStartOfInterface |
7 |
|
|
SUBROUTINE SEAICE_INIT_VARIA( myThid ) |
8 |
|
|
C /==========================================================\ |
9 |
|
|
C | SUBROUTINE SEAICE_INIT_VARIA | |
10 |
|
|
C | o Initialization of sea ice model. | |
11 |
|
|
C |==========================================================| |
12 |
|
|
C \==========================================================/ |
13 |
|
|
IMPLICIT NONE |
14 |
|
|
|
15 |
|
|
C === Global variables === |
16 |
|
|
#include "SIZE.h" |
17 |
|
|
#include "EEPARAMS.h" |
18 |
|
|
#include "PARAMS.h" |
19 |
|
|
#include "GRID.h" |
20 |
|
|
#include "SEAICE.h" |
21 |
|
|
CML#include "SEAICE_GRID.h" |
22 |
|
|
#include "SEAICE_DIAGS.h" |
23 |
|
|
#include "SEAICE_PARAMS.h" |
24 |
|
|
#include "FFIELDS.h" |
25 |
|
|
#ifdef ALLOW_EXCH2 |
26 |
|
|
#include "W2_EXCH2_TOPOLOGY.h" |
27 |
|
|
#include "W2_EXCH2_PARAMS.h" |
28 |
|
|
#endif /* ALLOW_EXCH2 */ |
29 |
|
|
|
30 |
|
|
C === Routine arguments === |
31 |
|
|
C myThid - Thread no. that called this routine. |
32 |
|
|
INTEGER myThid |
33 |
|
|
CEndOfInterface |
34 |
|
|
|
35 |
|
|
C === Local variables === |
36 |
|
|
C i,j,k,bi,bj - Loop counters |
37 |
|
|
|
38 |
|
|
INTEGER i, j, k, bi, bj |
39 |
|
|
_RS mask_uice |
40 |
|
|
INTEGER myIter, myTile |
41 |
|
|
|
42 |
|
|
cph( |
43 |
|
|
cph make sure TAF sees proper initialisation |
44 |
|
|
cph to avoid partial recomputation issues |
45 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
46 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
47 |
|
|
c |
48 |
|
|
DO K=1,3 |
49 |
|
|
DO J=1-OLy,sNy+OLy |
50 |
|
|
DO I=1-OLx,sNx+OLx |
51 |
|
|
HEFF(I,J,k,bi,bj)=ZERO |
52 |
|
|
AREA(I,J,k,bi,bj)=ZERO |
53 |
|
|
UICE(I,J,k,bi,bj)=ZERO |
54 |
|
|
VICE(I,J,k,bi,bj)=ZERO |
55 |
|
|
ENDDO |
56 |
|
|
ENDDO |
57 |
|
|
ENDDO |
58 |
|
|
c |
59 |
|
|
DO J=1-OLy,sNy+OLy |
60 |
|
|
DO I=1-OLx,sNx+OLx |
61 |
|
|
HSNOW(I,J,bi,bj)=ZERO |
62 |
|
|
ZETA(I,J,bi,bj)=ZERO |
63 |
|
|
ENDDO |
64 |
|
|
ENDDO |
65 |
|
|
c |
66 |
|
|
ENDDO |
67 |
|
|
ENDDO |
68 |
|
|
cph) |
69 |
|
|
|
70 |
|
|
C-- Initialize grid info |
71 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
72 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
73 |
|
|
DO j=1-OLy,sNy+OLy |
74 |
|
|
DO i=1-OLx,sNx+OLx |
75 |
|
|
HEFFM(i,j,bi,bj)=ONE |
76 |
|
|
IF (_hFacC(i,j,1,bi,bj).eq.0.) HEFFM(i,j,bi,bj)=ZERO |
77 |
|
|
ENDDO |
78 |
|
|
ENDDO |
79 |
|
|
DO J=1-OLy+1,sNy+OLy |
80 |
|
|
DO I=1-OLx+1,sNx+OLx |
81 |
|
|
#ifndef SEAICE_CGRID |
82 |
|
|
UVM(i,j,bi,bj)=ZERO |
83 |
|
|
mask_uice=HEFFM(I,J, bi,bj)+HEFFM(I-1,J-1,bi,bj) |
84 |
|
|
& +HEFFM(I,J-1,bi,bj)+HEFFM(I-1,J, bi,bj) |
85 |
|
|
IF(mask_uice.GT.3.5) UVM(I,J,bi,bj)=ONE |
86 |
|
|
#else |
87 |
|
|
seaiceMaskU(I,J,bi,bj)= 0.0 _d 0 |
88 |
|
|
seaiceMaskV(I,J,bi,bj)= 0.0 _d 0 |
89 |
|
|
mask_uice=HEFFM(I,J,bi,bj)+HEFFM(I-1,J ,bi,bj) |
90 |
|
|
IF(mask_uice.GT.1.5) seaiceMaskU(I,J,bi,bj)=ONE |
91 |
|
|
mask_uice=HEFFM(I,J,bi,bj)+HEFFM(I ,J-1,bi,bj) |
92 |
|
|
IF(mask_uice.GT.1.5) seaiceMaskV(I,J,bi,bj)=ONE |
93 |
|
|
#endif /* not SEAICE_CGRID */ |
94 |
|
|
ENDDO |
95 |
|
|
ENDDO |
96 |
|
|
|
97 |
|
|
#ifdef ALLOW_EXCH2 |
98 |
|
|
#ifdef SEAICE_CGRID |
99 |
|
|
#else |
100 |
|
|
C-- Special stuff for cubed sphere: assume grid is rectangular and |
101 |
|
|
C set UV mask to zero except for Arctic and Antarctic cube faces. |
102 |
|
|
IF (useCubedSphereExchange) THEN |
103 |
|
|
myTile = W2_myTileList(bi) |
104 |
|
|
IF ( exch2_myFace(myTile) .EQ. 1 .OR. |
105 |
|
|
& exch2_myFace(myTile) .EQ. 2 .OR. |
106 |
|
|
& exch2_myFace(myTile) .EQ. 4 .OR. |
107 |
|
|
& exch2_myFace(myTile) .EQ. 5 ) THEN |
108 |
|
|
DO J=1-OLy,sNy+OLy |
109 |
|
|
DO I=1-OLx,sNx+OLx |
110 |
|
|
UVM(i,j,bi,bj)=ZERO |
111 |
|
|
ENDDO |
112 |
|
|
ENDDO |
113 |
|
|
ELSEIF ( exch2_isWedge(myTile) .EQ. 1 ) THEN |
114 |
|
|
I=1 |
115 |
|
|
DO J=1-OLy,sNy+OLy |
116 |
|
|
UVM(i,j,bi,bj)=ZERO |
117 |
|
|
ENDDO |
118 |
|
|
ELSEIF ( exch2_isSedge(myTile) .EQ. 1 ) THEN |
119 |
|
|
J=1 |
120 |
|
|
DO I=1-OLx,sNx+OLx |
121 |
|
|
UVM(i,j,bi,bj)=ZERO |
122 |
|
|
ENDDO |
123 |
|
|
ENDIF |
124 |
|
|
ENDIF |
125 |
|
|
#endif |
126 |
|
|
#endif /* ALLOW_EXCH2 */ |
127 |
|
|
|
128 |
|
|
DO j=1-OLy,sNy+OLy |
129 |
|
|
DO i=1-OLx,sNx+OLx |
130 |
|
|
TICE(I,J,bi,bj)=273.0 _d 0 |
131 |
mlosch |
1.2 |
#ifdef SEAICE_MULTICATEGORY |
132 |
heimbach |
1.1 |
DO k=1,MULTDIM |
133 |
|
|
TICES(I,J,k,bi,bj)=273.0 _d 0 |
134 |
|
|
ENDDO |
135 |
mlosch |
1.2 |
#endif /* SEAICE_MULTICATEGORY */ |
136 |
heimbach |
1.1 |
UICEC (I,J,bi,bj)=ZERO |
137 |
|
|
VICEC (I,J,bi,bj)=ZERO |
138 |
|
|
DAIRN (I,J,bi,bj)=ZERO |
139 |
|
|
DWATN (I,J,bi,bj)=ZERO |
140 |
|
|
#ifndef SEAICE_CGRID |
141 |
|
|
AMASS (I,J,bi,bj)=1000.0 _d 0 |
142 |
|
|
#else |
143 |
|
|
seaiceMassC(I,J,bi,bj)=1000.0 _d 0 |
144 |
|
|
seaiceMassU(I,J,bi,bj)=1000.0 _d 0 |
145 |
|
|
seaiceMassV(I,J,bi,bj)=1000.0 _d 0 |
146 |
|
|
#endif |
147 |
|
|
GWATX (I,J,bi,bj)=ZERO |
148 |
|
|
GWATY (I,J,bi,bj)=ZERO |
149 |
|
|
ENDDO |
150 |
|
|
ENDDO |
151 |
|
|
|
152 |
|
|
C-- Choose a proxy level for geostrophic velocity, |
153 |
|
|
DO j=1-OLy,sNy+OLy |
154 |
|
|
DO i=1-OLx,sNx+OLx |
155 |
|
|
#ifdef SEAICE_TEST_ICE_STRESS_1 |
156 |
|
|
KGEO(I,J,bi,bj) = 1 |
157 |
|
|
#else /* SEAICE_TEST_ICE_STRESS_1 */ |
158 |
|
|
IF (klowc(i,j,bi,bj) .LT. 2) THEN |
159 |
|
|
KGEO(I,J,bi,bj) = 1 |
160 |
|
|
ELSE |
161 |
|
|
KGEO(I,J,bi,bj) = 2 |
162 |
|
|
DO WHILE ( abs(rC(KGEO(I,J,bi,bj))) .LT. 50.0 .AND. |
163 |
|
|
& KGEO(I,J,bi,bj) .LT. (klowc(i,j,bi,bj)-1) ) |
164 |
|
|
KGEO(I,J,bi,bj) = KGEO(I,J,bi,bj) + 1 |
165 |
|
|
ENDDO |
166 |
|
|
ENDIF |
167 |
|
|
#endif /* SEAICE_TEST_ICE_STRESS_1 */ |
168 |
|
|
ENDDO |
169 |
|
|
ENDDO |
170 |
|
|
|
171 |
|
|
ENDDO |
172 |
|
|
ENDDO |
173 |
|
|
|
174 |
|
|
C-- Update overlap regions |
175 |
|
|
#ifdef SEAICE_CGRID |
176 |
|
|
CALL EXCH_UV_XY_RL(seaiceMaskU,seaiceMaskV,.FALSE.,myThid) |
177 |
|
|
#else |
178 |
|
|
_EXCH_XY_R8(UVM, myThid) |
179 |
|
|
#endif |
180 |
|
|
|
181 |
|
|
C-- Now lets look at all these beasts |
182 |
|
|
IF ( debugLevel .GE. debLevB ) THEN |
183 |
|
|
myIter=0 |
184 |
|
|
CALL PLOT_FIELD_XYRL( HEFFM , 'Current HEFFM ' , |
185 |
|
|
& myIter, myThid ) |
186 |
|
|
#ifdef SEAICE_CGRID |
187 |
|
|
CALL PLOT_FIELD_XYRL( seaiceMaskU, 'Current seaiceMaskU', |
188 |
|
|
& myIter, myThid ) |
189 |
|
|
CALL PLOT_FIELD_XYRL( seaiceMaskV, 'Current seaiceMaskV', |
190 |
|
|
& myIter, myThid ) |
191 |
|
|
#else |
192 |
|
|
CALL PLOT_FIELD_XYRL( UVM , 'Current UVM ' , |
193 |
|
|
& myIter, myThid ) |
194 |
|
|
#endif |
195 |
|
|
ENDIF |
196 |
|
|
|
197 |
|
|
#if (defined (SEAICE_CGRID) && defined (SEAICE_ALLOW_EVP)) |
198 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
199 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
200 |
|
|
DO j=1-OLy,sNy+OLy |
201 |
|
|
DO i=1-OLx,sNx+OLx |
202 |
|
|
seaice_sigma1 (I,J,bi,bj) = 0. _d 0 |
203 |
|
|
seaice_sigma2 (I,J,bi,bj) = 0. _d 0 |
204 |
|
|
seaice_sigma12(I,J,bi,bj) = 0. _d 0 |
205 |
|
|
seaice_div (I,J,bi,bj) = 0. _d 0 |
206 |
|
|
seaice_tension(I,J,bi,bj) = 0. _d 0 |
207 |
|
|
seaice_shear (I,J,bi,bj) = 0. _d 0 |
208 |
|
|
ENDDO |
209 |
|
|
ENDDO |
210 |
|
|
ENDDO |
211 |
|
|
ENDDO |
212 |
|
|
#endif /* SEAICE_ALLOW_EVP and SEAICE_CGRID */ |
213 |
|
|
|
214 |
|
|
C-- Set model variables to initial/restart conditions |
215 |
|
|
IF ( nIter0 .NE. 0 ) THEN |
216 |
|
|
|
217 |
|
|
CALL SEAICE_READ_PICKUP ( myThid ) |
218 |
|
|
|
219 |
|
|
ELSE |
220 |
|
|
|
221 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
222 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
223 |
|
|
DO j=1-OLy,sNy+OLy |
224 |
|
|
DO i=1-OLx,sNx+OLx |
225 |
|
|
HSNOW(I,J,bi,bj)=0.2*HEFFM(i,j,bi,bj) |
226 |
|
|
YNEG(I,J,bi,bj)=ZERO |
227 |
|
|
TMIX(I,J,bi,bj)=TICE(I,J,bi,bj) |
228 |
|
|
DO k=1,3 |
229 |
|
|
HEFF(I,J,k,bi,bj)=SEAICE_initialHEFF*HEFFM(i,j,bi,bj) |
230 |
|
|
UICE(I,J,k,bi,bj)=ZERO |
231 |
|
|
VICE(I,J,k,bi,bj)=ZERO |
232 |
|
|
ENDDO |
233 |
|
|
ENDDO |
234 |
|
|
ENDDO |
235 |
|
|
ENDDO |
236 |
|
|
ENDDO |
237 |
|
|
|
238 |
|
|
C-- Read initial sea-ice thickness from file if available. |
239 |
|
|
IF ( HeffFile .NE. ' ' ) THEN |
240 |
|
|
_BEGIN_MASTER( myThid ) |
241 |
|
|
CALL READ_FLD_XY_RL( HeffFile, ' ', ZETA, 0, myThid ) |
242 |
|
|
_END_MASTER(myThid) |
243 |
|
|
_EXCH_XY_R8(ZETA,myThid) |
244 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
245 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
246 |
|
|
DO j=1-OLy,sNy+OLy |
247 |
|
|
DO i=1-OLx,sNx+OLx |
248 |
|
|
DO k=1,3 |
249 |
|
|
HEFF(I,J,k,bi,bj) = MAX(ZETA(i,j,bi,bj),ZERO) |
250 |
|
|
ENDDO |
251 |
|
|
ENDDO |
252 |
|
|
ENDDO |
253 |
|
|
ENDDO |
254 |
|
|
ENDDO |
255 |
|
|
ENDIF |
256 |
|
|
|
257 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
258 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
259 |
|
|
DO j=1-OLy,sNy+OLy |
260 |
|
|
DO i=1-OLx,sNx+OLx |
261 |
|
|
DO k=1,3 |
262 |
|
|
IF(HEFF(I,J,k,bi,bj).GT.ZERO) AREA(I,J,k,bi,bj)=ONE |
263 |
|
|
ENDDO |
264 |
|
|
ENDDO |
265 |
|
|
ENDDO |
266 |
|
|
ENDDO |
267 |
|
|
ENDDO |
268 |
|
|
|
269 |
|
|
ENDIF |
270 |
|
|
|
271 |
|
|
C--- Complete initialization |
272 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
273 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
274 |
|
|
DO j=1-OLy,sNy+OLy |
275 |
|
|
DO i=1-OLx,sNx+OLx |
276 |
|
|
ZETA(I,J,bi,bj)=HEFF(I,J,1,bi,bj)*(1.0 _d 11) |
277 |
|
|
ETA(I,J,bi,bj)=ZETA(I,J,bi,bj)/4.0 _d 0 |
278 |
|
|
ENDDO |
279 |
|
|
ENDDO |
280 |
|
|
#ifdef ATMOSPHERIC_LOADING |
281 |
|
|
IF ( useRealFreshWaterFlux .AND. .NOT.useThSIce ) THEN |
282 |
|
|
DO j=1-OLy,sNy+OLy |
283 |
|
|
DO i=1-OLx,sNx+OLx |
284 |
|
|
sIceLoad(i,j,bi,bj) = HEFF(I,J,1,bi,bj)*SEAICE_rhoIce |
285 |
|
|
& + HSNOW(I,J,bi,bj)* 330. _d 0 |
286 |
|
|
|
287 |
|
|
ENDDO |
288 |
|
|
ENDDO |
289 |
|
|
ENDIF |
290 |
|
|
#endif |
291 |
|
|
ENDDO |
292 |
|
|
ENDDO |
293 |
|
|
|
294 |
|
|
RETURN |
295 |
|
|
END |