59 |
kSurface = 1 |
kSurface = 1 |
60 |
ENDIF |
ENDIF |
61 |
|
|
62 |
|
C-- Initialize grid info |
63 |
|
DO bj=myByLo(myThid),myByHi(myThid) |
64 |
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
65 |
|
DO j=1-OLy,sNy+OLy |
66 |
|
DO i=1-OLx,sNx+OLx |
67 |
|
HEFFM(i,j,bi,bj) = 0. _d 0 |
68 |
|
ENDDO |
69 |
|
ENDDO |
70 |
|
DO j=1-OLy,sNy+OLy |
71 |
|
DO i=1-OLx,sNx+OLx |
72 |
|
HEFFM(i,j,bi,bj)= 1. _d 0 |
73 |
|
IF (_hFacC(i,j,kSurface,bi,bj).eq.0.) |
74 |
|
& HEFFM(i,j,bi,bj)= 0. _d 0 |
75 |
|
ENDDO |
76 |
|
ENDDO |
77 |
|
#ifndef SEAICE_CGRID |
78 |
|
DO j=1-OLy+1,sNy+OLy |
79 |
|
DO i=1-OLx+1,sNx+OLx |
80 |
|
UVM(i,j,bi,bj)=0. _d 0 |
81 |
|
mask_uice=HEFFM(i,j, bi,bj)+HEFFM(i-1,j-1,bi,bj) |
82 |
|
& +HEFFM(i,j-1,bi,bj)+HEFFM(i-1,j, bi,bj) |
83 |
|
IF(mask_uice.GT.3.5 _d 0) UVM(i,j,bi,bj)=1. _d 0 |
84 |
|
ENDDO |
85 |
|
ENDDO |
86 |
|
#endif /* SEAICE_CGRID */ |
87 |
|
ENDDO |
88 |
|
ENDDO |
89 |
|
|
90 |
|
C coefficients for metric terms |
91 |
|
DO bj=myByLo(myThid),myByHi(myThid) |
92 |
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
93 |
|
#ifdef SEAICE_CGRID |
94 |
|
DO j=1-OLy,sNy+OLy |
95 |
|
DO i=1-OLx,sNx+OLx |
96 |
|
k1AtC(I,J,bi,bj) = 0.0 _d 0 |
97 |
|
k1AtZ(I,J,bi,bj) = 0.0 _d 0 |
98 |
|
k2AtC(I,J,bi,bj) = 0.0 _d 0 |
99 |
|
k2AtZ(I,J,bi,bj) = 0.0 _d 0 |
100 |
|
ENDDO |
101 |
|
ENDDO |
102 |
|
IF ( usingSphericalPolarGrid .AND. SEAICEuseMetricTerms ) THEN |
103 |
|
C This is the only case where tan(phi) is not zero. In this case |
104 |
|
C C and U points, and Z and V points have the same phi, so that we |
105 |
|
C only need a copy here. Do not use tan(YC) and tan(YG), because |
106 |
|
C these |
107 |
|
C can be the geographical coordinates and not the correct grid |
108 |
|
C coordinates when the grid is rotated (phi/theta/psiEuler .NE. 0) |
109 |
|
DO j=1-OLy,sNy+OLy |
110 |
|
DO i=1-OLx,sNx+OLx |
111 |
|
k2AtC(I,J,bi,bj) = - _tanPhiAtU(I,J,bi,bj)*recip_rSphere |
112 |
|
k2AtZ(I,J,bi,bj) = - _tanPhiAtV(I,J,bi,bj)*recip_rSphere |
113 |
|
ENDDO |
114 |
|
ENDDO |
115 |
|
ELSEIF ( usingCurvilinearGrid .AND. SEAICEuseMetricTerms ) THEN |
116 |
|
C compute metric term coefficients from finite difference |
117 |
|
C approximation |
118 |
|
DO j=1-OLy,sNy+OLy |
119 |
|
DO i=1-OLx,sNx+OLx-1 |
120 |
|
k1AtC(I,J,bi,bj) = _recip_dyF(I,J,bi,bj) |
121 |
|
& * ( _dyG(I+1,J,bi,bj) - _dyG(I,J,bi,bj) ) |
122 |
|
& * _recip_dxF(I,J,bi,bj) |
123 |
|
ENDDO |
124 |
|
ENDDO |
125 |
|
DO j=1-OLy,sNy+OLy |
126 |
|
DO i=1-OLx+1,sNx+OLx |
127 |
|
k1AtZ(I,J,bi,bj) = _recip_dyU(I,J,bi,bj) |
128 |
|
& * ( _dyC(I,J,bi,bj) - _dyC(I-1,J,bi,bj) ) |
129 |
|
& * _recip_dxV(I,J,bi,bj) |
130 |
|
ENDDO |
131 |
|
ENDDO |
132 |
|
DO j=1-OLy,sNy+OLy-1 |
133 |
|
DO i=1-OLx,sNx+OLx |
134 |
|
k2AtC(I,J,bi,bj) = _recip_dxF(I,J,bi,bj) |
135 |
|
& * ( _dxG(I,J+1,bi,bj) - _dxG(I,J,bi,bj) ) |
136 |
|
& * _recip_dyF(I,J,bi,bj) |
137 |
|
ENDDO |
138 |
|
ENDDO |
139 |
|
DO j=1-OLy+1,sNy+OLy |
140 |
|
DO i=1-OLx,sNx+OLx |
141 |
|
k2AtZ(I,J,bi,bj) = _recip_dxV(I,J,bi,bj) |
142 |
|
& * ( _dxC(I,J,bi,bj) - _dxC(I,J-1,bi,bj) ) |
143 |
|
& * _recip_dyU(I,J,bi,bj) |
144 |
|
ENDDO |
145 |
|
ENDDO |
146 |
|
ENDIF |
147 |
|
#else /* not SEAICE_CGRID */ |
148 |
|
DO j=1-OLy,sNy+OLy |
149 |
|
DO i=1-OLx,sNx+OLx |
150 |
|
k1AtC(I,J,bi,bj) = 0.0 _d 0 |
151 |
|
k1AtU(I,J,bi,bj) = 0.0 _d 0 |
152 |
|
k1AtV(I,J,bi,bj) = 0.0 _d 0 |
153 |
|
k2AtC(I,J,bi,bj) = 0.0 _d 0 |
154 |
|
k2AtU(I,J,bi,bj) = 0.0 _d 0 |
155 |
|
k2AtV(I,J,bi,bj) = 0.0 _d 0 |
156 |
|
ENDDO |
157 |
|
ENDDO |
158 |
|
IF ( usingSphericalPolarGrid .AND. SEAICEuseMetricTerms ) THEN |
159 |
|
C This is the only case where tan(phi) is not zero. In this case |
160 |
|
C C and U points, and Z and V points have the same phi, so that we |
161 |
|
C only need a copy here. Do not use tan(YC) and tan(YG), because |
162 |
|
C these |
163 |
|
C can be the geographical coordinates and not the correct grid |
164 |
|
C coordinates when the grid is rotated (phi/theta/psiEuler .NE. 0) |
165 |
|
DO j=1-OLy,sNy+OLy |
166 |
|
DO i=1-OLx,sNx+OLx |
167 |
|
k2AtC(I,J,bi,bj) = - _tanPhiAtU(I,J,bi,bj)*recip_rSphere |
168 |
|
k2AtU(I,J,bi,bj) = - _tanPhiAtU(I,J,bi,bj)*recip_rSphere |
169 |
|
k2AtV(I,J,bi,bj) = - _tanPhiAtV(I,J,bi,bj)*recip_rSphere |
170 |
|
ENDDO |
171 |
|
ENDDO |
172 |
|
ELSEIF ( usingCurvilinearGrid .AND. SEAICEuseMetricTerms ) THEN |
173 |
|
C compute metric term coefficients from finite difference |
174 |
|
C approximation |
175 |
|
DO j=1-OLy,sNy+OLy |
176 |
|
DO i=1-OLx,sNx+OLx-1 |
177 |
|
k1AtC(I,J,bi,bj) = _recip_dyF(I,J,bi,bj) |
178 |
|
& * ( _dyG(I+1,J,bi,bj) - _dyG(I,J,bi,bj) ) |
179 |
|
& * _recip_dxF(I,J,bi,bj) |
180 |
|
ENDDO |
181 |
|
ENDDO |
182 |
|
DO j=1-OLy,sNy+OLy |
183 |
|
DO i=1-OLx+1,sNx+OLx |
184 |
|
k1AtU(I,J,bi,bj) = _recip_dyG(I,J,bi,bj) |
185 |
|
& * ( _dyF(I,J,bi,bj) - _dyF(I-1,J,bi,bj) ) |
186 |
|
& * _recip_dxC(I,J,bi,bj) |
187 |
|
ENDDO |
188 |
|
ENDDO |
189 |
|
DO j=1-OLy,sNy+OLy |
190 |
|
DO i=1-OLx,sNx+OLx-1 |
191 |
|
k1AtV(I,J,bi,bj) = _recip_dyC(I,J,bi,bj) |
192 |
|
& * ( _dyU(I+1,J,bi,bj) - _dyU(I,J,bi,bj) ) |
193 |
|
& * _recip_dxG(I,J,bi,bj) |
194 |
|
ENDDO |
195 |
|
ENDDO |
196 |
|
DO j=1-OLy,sNy+OLy-1 |
197 |
|
DO i=1-OLx,sNx+OLx |
198 |
|
k2AtC(I,J,bi,bj) = _recip_dxF(I,J,bi,bj) |
199 |
|
& * ( _dxG(I,J+1,bi,bj) - _dxG(I,J,bi,bj) ) |
200 |
|
& * _recip_dyF(I,J,bi,bj) |
201 |
|
ENDDO |
202 |
|
ENDDO |
203 |
|
DO j=1-OLy,sNy+OLy-1 |
204 |
|
DO i=1-OLx,sNx+OLx |
205 |
|
k2AtU(I,J,bi,bj) = _recip_dxC(I,J,bi,bj) |
206 |
|
& * ( _dxV(I,J+1,bi,bj) - _dxV(I,J,bi,bj) ) |
207 |
|
& * _recip_dyG(I,J,bi,bj) |
208 |
|
ENDDO |
209 |
|
ENDDO |
210 |
|
DO j=1-OLy+1,sNy+OLy |
211 |
|
DO i=1-OLx,sNx+OLx |
212 |
|
k2AtV(I,J,bi,bj) = _recip_dxG(I,J,bi,bj) |
213 |
|
& * ( _dxF(I,J,bi,bj) - _dxF(I,J-1,bi,bj) ) |
214 |
|
& * _recip_dyC(I,J,bi,bj) |
215 |
|
ENDDO |
216 |
|
ENDDO |
217 |
|
ENDIF |
218 |
|
#endif /* not SEAICE_CGRID */ |
219 |
|
ENDDO |
220 |
|
ENDDO |
221 |
|
|
222 |
|
#ifndef SEAICE_CGRID |
223 |
|
C-- Choose a proxy level for geostrophic velocity, |
224 |
|
DO bj=myByLo(myThid),myByHi(myThid) |
225 |
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
226 |
|
DO j=1-OLy,sNy+OLy |
227 |
|
DO i=1-OLx,sNx+OLx |
228 |
|
KGEO(i,j,bi,bj) = 0 |
229 |
|
ENDDO |
230 |
|
ENDDO |
231 |
|
DO j=1-OLy,sNy+OLy |
232 |
|
DO i=1-OLx,sNx+OLx |
233 |
|
#ifdef SEAICE_BICE_STRESS |
234 |
|
KGEO(i,j,bi,bj) = 1 |
235 |
|
#else /* SEAICE_BICE_STRESS */ |
236 |
|
IF (klowc(i,j,bi,bj) .LT. 2) THEN |
237 |
|
KGEO(i,j,bi,bj) = 1 |
238 |
|
ELSE |
239 |
|
KGEO(i,j,bi,bj) = 2 |
240 |
|
DO WHILE ( abs(rC(KGEO(i,j,bi,bj))) .LT. 50.0 _d 0 .AND. |
241 |
|
& KGEO(i,j,bi,bj) .LT. (klowc(i,j,bi,bj)-1) ) |
242 |
|
KGEO(i,j,bi,bj) = KGEO(i,j,bi,bj) + 1 |
243 |
|
ENDDO |
244 |
|
ENDIF |
245 |
|
#endif /* SEAICE_BICE_STRESS */ |
246 |
|
ENDDO |
247 |
|
ENDDO |
248 |
|
ENDDO |
249 |
|
ENDDO |
250 |
|
#endif /* SEAICE_CGRID */ |
251 |
|
|
252 |
|
|
253 |
C-- Initialise all variables in common blocks: |
C-- Initialise all variables in common blocks: |
254 |
DO bj=myByLo(myThid),myByHi(myThid) |
DO bj=myByLo(myThid),myByHi(myThid) |
255 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
DO bi=myBxLo(myThid),myBxHi(myThid) |