| 1 |
jmc |
1.16 |
C $Header: /u/gcmpack/MITgcm/pkg/seaice/seaice_dynsolver.F,v 1.15 2007/03/08 11:21:34 mlosch Exp $ |
| 2 |
mlosch |
1.1 |
C $Name: $ |
| 3 |
|
|
|
| 4 |
|
|
#include "SEAICE_OPTIONS.h" |
| 5 |
|
|
|
| 6 |
|
|
CStartOfInterface |
| 7 |
|
|
SUBROUTINE SEAICE_DYNSOLVER( myTime, myIter, myThid ) |
| 8 |
|
|
C /==========================================================\ |
| 9 |
|
|
C | SUBROUTINE SEAICE_DYNSOLVER | |
| 10 |
|
|
C | o Ice dynamics using LSR solver | |
| 11 |
|
|
C | Zhang and Hibler, JGR, 102, 8691-8702, 1997 | |
| 12 |
mlosch |
1.8 |
C | or EVP explicit solver by Hunke and Dukowicz, JPO 27, | |
| 13 |
|
|
C | 1849-1867 (1997) | |
| 14 |
mlosch |
1.1 |
C |==========================================================| |
| 15 |
mlosch |
1.8 |
C | written by Martin Losch, March 2006 | |
| 16 |
mlosch |
1.1 |
C \==========================================================/ |
| 17 |
|
|
IMPLICIT NONE |
| 18 |
|
|
|
| 19 |
|
|
C === Global variables === |
| 20 |
|
|
#include "SIZE.h" |
| 21 |
|
|
#include "EEPARAMS.h" |
| 22 |
|
|
#include "PARAMS.h" |
| 23 |
|
|
#include "GRID.h" |
| 24 |
jmc |
1.11 |
#include "SURFACE.h" |
| 25 |
mlosch |
1.1 |
#include "DYNVARS.h" |
| 26 |
|
|
#include "FFIELDS.h" |
| 27 |
|
|
#include "SEAICE.h" |
| 28 |
|
|
#include "SEAICE_PARAMS.h" |
| 29 |
|
|
#include "SEAICE_FFIELDS.h" |
| 30 |
|
|
|
| 31 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 32 |
|
|
# include "tamc.h" |
| 33 |
|
|
#endif |
| 34 |
|
|
|
| 35 |
|
|
C === Routine arguments === |
| 36 |
|
|
C myTime - Simulation time |
| 37 |
|
|
C myIter - Simulation timestep number |
| 38 |
|
|
C myThid - Thread no. that called this routine. |
| 39 |
|
|
_RL myTime |
| 40 |
|
|
INTEGER myIter |
| 41 |
|
|
INTEGER myThid |
| 42 |
|
|
CEndOfInterface |
| 43 |
|
|
|
| 44 |
|
|
#ifdef SEAICE_CGRID |
| 45 |
|
|
C === Local variables === |
| 46 |
|
|
C i,j,bi,bj - Loop counters |
| 47 |
|
|
|
| 48 |
mlosch |
1.6 |
INTEGER i, j, bi, bj |
| 49 |
mlosch |
1.1 |
_RL RHOICE, RHOAIR, SINWIN, COSWIN |
| 50 |
|
|
_RL PSTAR, AAA |
| 51 |
mlosch |
1.6 |
_RL U1, V1 |
| 52 |
jmc |
1.11 |
_RL phiSurf(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 53 |
mlosch |
1.1 |
|
| 54 |
|
|
C-- FIRST SET UP BASIC CONSTANTS |
| 55 |
|
|
RHOICE = SEAICE_rhoIce |
| 56 |
|
|
RHOAIR = SEAICE_rhoAir |
| 57 |
|
|
PSTAR = SEAICE_strength |
| 58 |
|
|
|
| 59 |
|
|
C-- introduce turning angle (default is zero) |
| 60 |
|
|
SINWIN=SIN(SEAICE_airTurnAngle*deg2rad) |
| 61 |
|
|
COSWIN=COS(SEAICE_airTurnAngle*deg2rad) |
| 62 |
|
|
|
| 63 |
|
|
C-- Compute proxy for geostrophic velocity, |
| 64 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 65 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 66 |
mlosch |
1.4 |
DO j=1-Oly,sNy+Oly |
| 67 |
|
|
DO i=1-Oly,sNx+Olx |
| 68 |
mlosch |
1.3 |
CML GWATX(I,J,bi,bj)=uVel(i,j,KGEO(I,J,bi,bj),bi,bj) |
| 69 |
|
|
CML GWATY(I,J,bi,bj)=vVel(i,j,KGEO(I,J,bi,bj),bi,bj) |
| 70 |
|
|
GWATX(I,J,bi,bj)=uVel(i,j,1,bi,bj) |
| 71 |
|
|
GWATY(I,J,bi,bj)=vVel(i,j,1,bi,bj) |
| 72 |
mlosch |
1.1 |
ENDDO |
| 73 |
|
|
ENDDO |
| 74 |
|
|
ENDDO |
| 75 |
|
|
ENDDO |
| 76 |
|
|
|
| 77 |
|
|
C-- NOW SET UP MASS PER UNIT AREA AND CORIOLIS TERM |
| 78 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 79 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 80 |
|
|
DO j=1-Oly+1,sNy+Oly |
| 81 |
|
|
DO i=1-Olx+1,sNx+Olx |
| 82 |
|
|
seaiceMassC(I,J,bi,bj)=RHOICE*HEFF(i,j,1,bi,bj) |
| 83 |
|
|
seaiceMassU(I,J,bi,bj)=RHOICE*HALF*( |
| 84 |
|
|
& HEFF(i,j,1,bi,bj) + HEFF(i-1,j ,1,bi,bj) ) |
| 85 |
|
|
seaiceMassV(I,J,bi,bj)=RHOICE*HALF*( |
| 86 |
|
|
& HEFF(i,j,1,bi,bj) + HEFF(i ,j-1,1,bi,bj) ) |
| 87 |
mlosch |
1.5 |
ENDDO |
| 88 |
|
|
ENDDO |
| 89 |
mlosch |
1.6 |
ENDDO |
| 90 |
|
|
ENDDO |
| 91 |
|
|
|
| 92 |
|
|
IF ( SEAICE_maskRHS ) THEN |
| 93 |
mlosch |
1.3 |
C dynamic masking of areas with no ice |
| 94 |
mlosch |
1.6 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 95 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 96 |
|
|
DO j=1-Oly+1,sNy+Oly |
| 97 |
|
|
DO i=1-Olx+1,sNx+Olx |
| 98 |
|
|
seaiceMaskU(I,J,bi,bj)=AREA(I,J,1,bi,bj)+AREA(I-1,J,1,bi,bj) |
| 99 |
|
|
IF ( seaiceMaskU(I,J,bi,bj) .GT. 0. _d 0 ) THEN |
| 100 |
|
|
seaiceMaskU(I,J,bi,bj) = 1. _d 0 |
| 101 |
|
|
ELSE |
| 102 |
|
|
seaiceMaskU(I,J,bi,bj) = 0. _d 0 |
| 103 |
|
|
ENDIF |
| 104 |
|
|
seaiceMaskV(I,J,bi,bj)=AREA(I,J,1,bi,bj)+AREA(I,J-1,1,bi,bj) |
| 105 |
|
|
IF ( seaiceMaskV(I,J,bi,bj) .GT. 0. _d 0 ) THEN |
| 106 |
|
|
seaiceMaskV(I,J,bi,bj) = 1. _d 0 |
| 107 |
|
|
ELSE |
| 108 |
|
|
seaiceMaskV(I,J,bi,bj) = 0. _d 0 |
| 109 |
|
|
ENDIF |
| 110 |
|
|
ENDDO |
| 111 |
|
|
ENDDO |
| 112 |
|
|
ENDDO |
| 113 |
mlosch |
1.1 |
ENDDO |
| 114 |
jmc |
1.12 |
CALL EXCH_UV_XY_RL( seaiceMaskU, seaiceMaskV, .FALSE., myThid ) |
| 115 |
mlosch |
1.6 |
ENDIF |
| 116 |
mlosch |
1.1 |
|
| 117 |
|
|
C-- NOW SET UP FORCING FIELDS |
| 118 |
|
|
|
| 119 |
mlosch |
1.15 |
#ifdef ALLOW_ATM_WIND |
| 120 |
jmc |
1.12 |
C-- Wind stress is computed on center of C-grid cell and interpolated |
| 121 |
mlosch |
1.1 |
C to U and V points later |
| 122 |
|
|
C locations from wind on tracer locations |
| 123 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 124 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 125 |
|
|
DO j=1-Oly,sNy+Oly |
| 126 |
|
|
DO i=1-Olx,sNx+Olx |
| 127 |
|
|
U1=UWIND(I,J,bi,bj) |
| 128 |
|
|
V1=VWIND(I,J,bi,bj) |
| 129 |
|
|
AAA=U1**2+V1**2 |
| 130 |
|
|
IF ( AAA .LE. SEAICE_EPS_SQ ) THEN |
| 131 |
|
|
AAA=SEAICE_EPS |
| 132 |
|
|
ELSE |
| 133 |
|
|
AAA=SQRT(AAA) |
| 134 |
|
|
ENDIF |
| 135 |
|
|
C first ocean surface stress |
| 136 |
|
|
DAIRN(I,J,bi,bj)=RHOAIR*OCEAN_drag |
| 137 |
|
|
& *(2.70 _d 0+0.142 _d 0*AAA+0.0764 _d 0*AAA*AAA) |
| 138 |
mlosch |
1.7 |
WINDX(I,J,bi,bj)=DAIRN(I,J,bi,bj)* |
| 139 |
|
|
& (COSWIN*U1-SIGN(SINWIN, _fCori(I,J,bi,bj))*V1) |
| 140 |
|
|
WINDY(I,J,bi,bj)=DAIRN(I,J,bi,bj)* |
| 141 |
|
|
& (SIGN(SINWIN, _fCori(I,J,bi,bj))*U1+COSWIN*V1) |
| 142 |
mlosch |
1.1 |
C now ice surface stress |
| 143 |
mlosch |
1.3 |
DAIRN(I,J,bi,bj) = RHOAIR*SEAICE_drag*AAA |
| 144 |
mlosch |
1.1 |
ENDDO |
| 145 |
|
|
ENDDO |
| 146 |
|
|
C now interpolate to U and V points respectively |
| 147 |
mlosch |
1.4 |
DO j=1-Oly+1,sNy+Oly |
| 148 |
|
|
DO i=1-Olx+1,sNx+Olx |
| 149 |
mlosch |
1.3 |
FORCEX0(I,J,bi,bj)=0.5 _d 0 * |
| 150 |
mlosch |
1.1 |
& ( DAIRN(I ,J,bi,bj)*( |
| 151 |
mlosch |
1.7 |
& COSWIN*uWind(I ,J,bi,bj) |
| 152 |
|
|
& -SIGN(SINWIN, _fCori(I ,J,bi,bj))*vWind(I ,J,bi,bj) ) |
| 153 |
mlosch |
1.1 |
& + DAIRN(I-1,J,bi,bj)*( |
| 154 |
mlosch |
1.7 |
& COSWIN*uWind(I-1,J,bi,bj) |
| 155 |
|
|
& -SIGN(SINWIN, _fCori(I-1,J,bi,bj))*vWind(I-1,J,bi,bj) ) |
| 156 |
mlosch |
1.1 |
& ) |
| 157 |
|
|
C interpolate to V point |
| 158 |
mlosch |
1.3 |
FORCEY0(I,J,bi,bj)=0.5 _d 0 * |
| 159 |
mlosch |
1.1 |
& ( DAIRN(I,J ,bi,bj)*( |
| 160 |
mlosch |
1.7 |
& SIGN(SINWIN, _fCori(I,J ,bi,bj))*uWind(I,J ,bi,bj) |
| 161 |
|
|
& +COSWIN*vWind(I,J ,bi,bj) ) |
| 162 |
mlosch |
1.1 |
& + DAIRN(I,J-1,bi,bj)*( |
| 163 |
mlosch |
1.7 |
& SIGN(SINWIN, _fCori(I,J-1,bi,bj))*uWind(I,J-1,bi,bj) |
| 164 |
|
|
& +COSWIN*vWind(I,J-1,bi,bj) ) |
| 165 |
mlosch |
1.1 |
& ) |
| 166 |
|
|
ENDDO |
| 167 |
|
|
ENDDO |
| 168 |
|
|
ENDDO |
| 169 |
|
|
ENDDO |
| 170 |
mlosch |
1.15 |
#else |
| 171 |
|
|
C-- Wind stress is available on U and V points, copy it to seaice variables. |
| 172 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 173 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 174 |
jmc |
1.16 |
DO j=1-Oly,sNy+Oly-1 |
| 175 |
|
|
DO i=1-Olx,sNx+Olx-1 |
| 176 |
mlosch |
1.15 |
U1=.5*(FU(I,J,bi,bj)+FU(I+1,J,bi,bj)) |
| 177 |
|
|
V1=.5*(FV(I,J,bi,bj)+FV(I,J+1,bi,bj)) |
| 178 |
|
|
C first ocean surface stress |
| 179 |
|
|
WINDX(I,J,bi,bj)= |
| 180 |
|
|
& (COSWIN*U1 |
| 181 |
|
|
& -SIGN(SINWIN, _fCori(I,J,bi,bj))*V1) |
| 182 |
|
|
WINDY(I,J,bi,bj)= |
| 183 |
|
|
& (SIGN(SINWIN, _fCori(I,J,bi,bj))*U1+COSWIN*V1) |
| 184 |
|
|
ENDDO |
| 185 |
|
|
ENDDO |
| 186 |
|
|
C now interpolate to U and V points respectively |
| 187 |
|
|
DO j=1-Oly+1,sNy+Oly-1 |
| 188 |
|
|
DO i=1-Olx+1,sNx+Olx-1 |
| 189 |
|
|
C now ice surface stress |
| 190 |
|
|
DAIRN(I,J,bi,bj) = SEAICE_drag/OCEAN_drag |
| 191 |
|
|
FORCEX0(I,J,bi,bj)=DAIRN(I,J,bi,bj)*( |
| 192 |
|
|
& COSWIN*FU(I,J,bi,bj) |
| 193 |
|
|
& -SIGN(SINWIN, _fCori(I ,J,bi,bj))*0.25 |
| 194 |
|
|
& *(FV(I,J, bi,bj)+FV(I-1,J, bi,bj) |
| 195 |
|
|
& +FV(I,J+1,bi,bj)+FV(I-1,J+1,bi,bj)) |
| 196 |
|
|
& ) |
| 197 |
|
|
C interpolate to V point |
| 198 |
|
|
FORCEY0(I,J,bi,bj)=DAIRN(I,J,bi,bj)*( |
| 199 |
|
|
& SIGN(SINWIN, _fCori(I,J ,bi,bj))*0.25 |
| 200 |
|
|
& *(FU(I,J ,bi,bj)+FU(I+1,J, bi,bj) |
| 201 |
|
|
& +FU(I,J-1,bi,bj)+FU(I+1,J-1,bi,bj)) |
| 202 |
|
|
& +COSWIN*FV(I,J,bi,bj) |
| 203 |
|
|
& ) |
| 204 |
|
|
ENDDO |
| 205 |
|
|
ENDDO |
| 206 |
|
|
ENDDO |
| 207 |
|
|
ENDDO |
| 208 |
|
|
#endif /* ALLOW_ATM_WIND */ |
| 209 |
mlosch |
1.1 |
|
| 210 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 211 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 212 |
jmc |
1.11 |
C-- Compute surface pressure at z==0: |
| 213 |
|
|
C- use actual sea surface height for tilt computations |
| 214 |
|
|
DO j=1-Oly,sNy+Oly |
| 215 |
|
|
DO i=1-Olx,sNx+Olx |
| 216 |
|
|
phiSurf(i,j) = Bo_surf(i,j,bi,bj)*etaN(i,j,bi,bj) |
| 217 |
|
|
ENDDO |
| 218 |
|
|
ENDDO |
| 219 |
|
|
#ifdef ATMOSPHERIC_LOADING |
| 220 |
|
|
C- add atmospheric loading and Sea-Ice loading |
| 221 |
|
|
IF ( useRealFreshWaterFlux ) THEN |
| 222 |
|
|
DO j=1-Oly,sNy+Oly |
| 223 |
|
|
DO i=1-Olx,sNx+Olx |
| 224 |
|
|
phiSurf(i,j) = phiSurf(i,j) |
| 225 |
|
|
& + ( pload(i,j,bi,bj) |
| 226 |
|
|
& +sIceLoad(i,j,bi,bj)*gravity |
| 227 |
|
|
& )*recip_rhoConst |
| 228 |
|
|
ENDDO |
| 229 |
|
|
ENDDO |
| 230 |
|
|
ELSE |
| 231 |
|
|
DO j=1-Oly,sNy+Oly |
| 232 |
|
|
DO i=1-Olx,sNx+Olx |
| 233 |
|
|
phiSurf(i,j) = phiSurf(i,j) |
| 234 |
|
|
& + pload(i,j,bi,bj)*recip_rhoConst |
| 235 |
|
|
ENDDO |
| 236 |
|
|
ENDDO |
| 237 |
|
|
ENDIF |
| 238 |
|
|
#endif /* ATMOSPHERIC_LOADING */ |
| 239 |
mlosch |
1.4 |
DO j=1-Oly+1,sNy+Oly |
| 240 |
|
|
DO i=1-Olx+1,sNx+Olx |
| 241 |
mlosch |
1.1 |
C-- NOW ADD IN TILT |
| 242 |
mlosch |
1.3 |
FORCEX0(I,J,bi,bj)=FORCEX0(I,J,bi,bj) |
| 243 |
jmc |
1.11 |
& -seaiceMassU(I,J,bi,bj)*_recip_dxC(I,J,bi,bj) |
| 244 |
|
|
& *( phiSurf(i,j)-phiSurf(i-1,j) ) |
| 245 |
mlosch |
1.3 |
FORCEY0(I,J,bi,bj)=FORCEY0(I,J,bi,bj) |
| 246 |
jmc |
1.11 |
& -seaiceMassV(I,J,bi,bj)* _recip_dyC(I,J,bi,bj) |
| 247 |
|
|
& *( phiSurf(i,j)-phiSurf(i,j-1) ) |
| 248 |
mlosch |
1.1 |
C-- NOW SET UP ICE PRESSURE AND VISCOSITIES |
| 249 |
|
|
PRESS0(I,J,bi,bj)=PSTAR*HEFF(I,J,1,bi,bj) |
| 250 |
|
|
& *EXP(-20.0 _d 0*(ONE-AREA(I,J,1,bi,bj))) |
| 251 |
|
|
ZMAX(I,J,bi,bj)=(5.0 _d +12/(2.0 _d +04))*PRESS0(I,J,bi,bj) |
| 252 |
|
|
ZMIN(I,J,bi,bj)=4.0 _d +08 |
| 253 |
|
|
PRESS0(I,J,bi,bj)=PRESS0(I,J,bi,bj)*HEFFM(I,J,bi,bj) |
| 254 |
|
|
ENDDO |
| 255 |
|
|
ENDDO |
| 256 |
|
|
ENDDO |
| 257 |
|
|
ENDDO |
| 258 |
|
|
|
| 259 |
|
|
#ifdef SEAICE_ALLOW_DYNAMICS |
| 260 |
|
|
|
| 261 |
|
|
IF ( SEAICEuseDYNAMICS ) THEN |
| 262 |
|
|
|
| 263 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 264 |
heimbach |
1.14 |
CADJ STORE uice = comlev1, key=ikey_dynamics |
| 265 |
|
|
CADJ STORE vice = comlev1, key=ikey_dynamics |
| 266 |
mlosch |
1.1 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 267 |
|
|
|
| 268 |
mlosch |
1.8 |
#ifdef SEAICE_ALLOW_EVP |
| 269 |
|
|
IF ( SEAICEuseEVP ) THEN |
| 270 |
|
|
CALL SEAICE_EVP( myTime, myIter, myThid ) |
| 271 |
|
|
ELSE |
| 272 |
|
|
C do the original VP solver of Zhang and Hibler (1997), ported to |
| 273 |
|
|
C a C-grid |
| 274 |
|
|
#endif /* SEAICE_ALLOW_EVP */ |
| 275 |
mlosch |
1.1 |
C NOW DO PREDICTOR TIME STEP |
| 276 |
mlosch |
1.6 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 277 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 278 |
|
|
DO j=1-OLy,sNy+OLy |
| 279 |
|
|
DO i=1-OLx,sNx+OLx |
| 280 |
|
|
uIce(I,J,2,bi,bj)=uIce(I,J,1,bi,bj) |
| 281 |
|
|
vIce(I,J,2,bi,bj)=vIce(I,J,1,bi,bj) |
| 282 |
|
|
uIceC(I,J,bi,bj)=uIce(I,J,1,bi,bj) |
| 283 |
|
|
vIceC(I,J,bi,bj)=vIce(I,J,1,bi,bj) |
| 284 |
|
|
ENDDO |
| 285 |
mlosch |
1.1 |
ENDDO |
| 286 |
|
|
ENDDO |
| 287 |
|
|
ENDDO |
| 288 |
|
|
|
| 289 |
heimbach |
1.13 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 290 |
|
|
# ifdef SEAICE_ALLOW_EVP |
| 291 |
|
|
cphCADJ STORE uice = comlev1, key=ikey_dynamics |
| 292 |
|
|
cphCADJ STORE vice = comlev1, key=ikey_dynamics |
| 293 |
|
|
CADJ STORE uicec = comlev1, key=ikey_dynamics |
| 294 |
|
|
CADJ STORE vicec = comlev1, key=ikey_dynamics |
| 295 |
|
|
# endif |
| 296 |
|
|
#endif |
| 297 |
mlosch |
1.1 |
C NOW LSR SCHEME (ZHANG-J/HIBLER 1997) |
| 298 |
mlosch |
1.6 |
CALL SEAICE_LSR( 1, myThid ) |
| 299 |
heimbach |
1.10 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 300 |
mlosch |
1.1 |
CADJ STORE uice = comlev1, key=ikey_dynamics |
| 301 |
|
|
CADJ STORE vice = comlev1, key=ikey_dynamics |
| 302 |
heimbach |
1.13 |
cphCADJ STORE uicec = comlev1, key=ikey_dynamics |
| 303 |
|
|
cphCADJ STORE vicec = comlev1, key=ikey_dynamics |
| 304 |
heimbach |
1.10 |
#endif |
| 305 |
mlosch |
1.1 |
|
| 306 |
|
|
C NOW DO MODIFIED EULER STEP |
| 307 |
mlosch |
1.6 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 308 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 309 |
|
|
DO j=1-OLy,sNy+OLy |
| 310 |
|
|
DO i=1-OLx,sNx+OLx |
| 311 |
|
|
uIce(I,J,1,bi,bj)=HALF*(uIce(I,J,1,bi,bj)+uIce(I,J,2,bi,bj)) |
| 312 |
|
|
vIce(I,J,1,bi,bj)=HALF*(vIce(I,J,1,bi,bj)+vIce(I,J,2,bi,bj)) |
| 313 |
|
|
uIceC(I,J,bi,bj)=uIce(I,J,1,bi,bj) |
| 314 |
|
|
vIceC(I,J,bi,bj)=vIce(I,J,1,bi,bj) |
| 315 |
|
|
ENDDO |
| 316 |
mlosch |
1.1 |
ENDDO |
| 317 |
|
|
ENDDO |
| 318 |
|
|
ENDDO |
| 319 |
jmc |
1.11 |
|
| 320 |
mlosch |
1.1 |
C NOW LSR SCHEME (ZHANG-J/HIBLER 1997) |
| 321 |
mlosch |
1.6 |
CALL SEAICE_LSR( 2, myThid ) |
| 322 |
mlosch |
1.8 |
#ifdef SEAICE_ALLOW_EVP |
| 323 |
|
|
ENDIF |
| 324 |
|
|
#endif /* SEAICE_ALLOW_EVP */ |
| 325 |
mlosch |
1.1 |
|
| 326 |
|
|
ENDIF |
| 327 |
|
|
#endif /* SEAICE_ALLOW_DYNAMICS */ |
| 328 |
|
|
|
| 329 |
heimbach |
1.9 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 330 |
|
|
CADJ STORE dwatn = comlev1, key=ikey_dynamics |
| 331 |
|
|
CADJ STORE uice = comlev1, key=ikey_dynamics |
| 332 |
|
|
CADJ STORE vice = comlev1, key=ikey_dynamics |
| 333 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 334 |
|
|
|
| 335 |
mlosch |
1.1 |
C Calculate ocean surface stress |
| 336 |
|
|
CALL SEAICE_OCEAN_STRESS ( myTime, myIter, myThid ) |
| 337 |
mlosch |
1.6 |
|
| 338 |
|
|
#ifdef SEAICE_ALLOW_DYNAMICS |
| 339 |
|
|
IF ( SEAICEuseDYNAMICS .AND. SEAICE_clipVelocities) THEN |
| 340 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 341 |
|
|
CADJ STORE uice = comlev1, key=ikey_dynamics |
| 342 |
|
|
CADJ STORE vice = comlev1, key=ikey_dynamics |
| 343 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 344 |
|
|
c Put a cap on ice velocity |
| 345 |
|
|
c limit velocity to 0.40 m s-1 to avoid potential CFL violations |
| 346 |
|
|
c in open water areas (drift of zero thickness ice) |
| 347 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 348 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 349 |
|
|
DO j=1-OLy,sNy+OLy |
| 350 |
|
|
DO i=1-OLx,sNx+OLx |
| 351 |
|
|
uIce(i,j,1,bi,bj)= |
| 352 |
|
|
& MAX(MIN(uIce(i,j,1,bi,bj),0.40 _d +00),-0.40 _d +00) |
| 353 |
|
|
vIce(i,j,1,bi,bj)= |
| 354 |
|
|
& MAX(MIN(vIce(i,j,1,bi,bj),0.40 _d +00),-0.40 _d +00) |
| 355 |
|
|
ENDDO |
| 356 |
|
|
ENDDO |
| 357 |
|
|
ENDDO |
| 358 |
|
|
ENDDO |
| 359 |
|
|
ENDIF |
| 360 |
|
|
#endif /* SEAICE_ALLOW_DYNAMICS */ |
| 361 |
jmc |
1.12 |
|
| 362 |
mlosch |
1.1 |
#endif /* SEAICE_CGRID */ |
| 363 |
|
|
RETURN |
| 364 |
|
|
END |
Parent Directory
| 
Revision Log
| 
Revision Graph