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jmc |
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C $Header: /u/gcmpack/MITgcm/pkg/seaice/ostres.F,v 1.21 2009/06/24 08:23:00 mlosch Exp $ |
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edhill |
1.8 |
C $Name: $ |
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heimbach |
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#include "SEAICE_OPTIONS.h" |
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CStartOfInterface |
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mlosch |
1.17 |
SUBROUTINE ostres( COR_ICE, myThid ) |
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jmc |
1.22 |
C *==========================================================* |
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heimbach |
1.2 |
C | SUBROUTINE ostres | |
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C | o Calculate ocean surface stress | |
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jmc |
1.22 |
C *==========================================================* |
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C *==========================================================* |
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heimbach |
1.2 |
IMPLICIT NONE |
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C === Global variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "FFIELDS.h" |
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#include "SEAICE.h" |
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#include "SEAICE_PARAMS.h" |
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C === Routine arguments === |
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C myThid - Thread no. that called this routine. |
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_RL COR_ICE (1-OLx:sNx+OLx,1-OLy:sNy+OLy, nSx,nSy) |
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INTEGER myThid |
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CEndOfInterface |
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mlosch |
1.17 |
#ifndef SEAICE_CGRID |
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heimbach |
1.2 |
C === Local variables === |
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dimitri |
1.4 |
C i,j,bi,bj - Loop counters |
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heimbach |
1.2 |
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dimitri |
1.4 |
INTEGER i, j, bi, bj |
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heimbach |
1.2 |
_RL SINWIN, COSWIN, SINWAT, COSWAT |
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mlosch |
1.19 |
#ifdef SEAICE_BICE_STRESS |
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mlosch |
1.14 |
_RL fuIce, fvIce |
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#endif |
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heimbach |
1.2 |
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mlosch |
1.15 |
c introduce turning angle (default is zero) |
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mlosch |
1.16 |
SINWIN=SIN(SEAICE_airTurnAngle*deg2rad) |
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COSWIN=COS(SEAICE_airTurnAngle*deg2rad) |
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SINWAT=SIN(SEAICE_waterTurnAngle*deg2rad) |
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COSWAT=COS(SEAICE_waterTurnAngle*deg2rad) |
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heimbach |
1.2 |
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dimitri |
1.11 |
#ifdef SEAICE_ORIGINAL_BAD_ICE_STRESS |
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jmc |
1.22 |
These lines are put here on purpose to cause the compilation |
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mlosch |
1.20 |
to fail because the following code is retired and can no longer |
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be used. It was probably never used anyway. |
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CMLC-- Following formulation is problematic and is no longer used. |
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CML#ifdef SEAICE_ALLOW_DYNAMICS |
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CML IF ( SEAICEuseDYNAMICS ) THEN |
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CMLC-- Compute ice-affected wind stress |
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CML DO bj=myByLo(myThid),myByHi(myThid) |
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CML DO bi=myBxLo(myThid),myBxHi(myThid) |
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CML DO j=1,sNy |
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CML DO i=1,sNx |
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CML WINDX(I,J,bi,bj)=DWATN(I,J,bi,bj) |
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mlosch |
1.21 |
CML & *(COSWAT*(GWATX(I,J,bi,bj)-UICE(I,J,bi,bj)) |
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mlosch |
1.20 |
CML & -SIGN(SINWAT,COR_ICE(I,J,bi,bj)) |
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CML & *(GWATY(I,J,bi,bj)-VICEC(I,J,bi,bj))) |
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CML WINDY(I,J,bi,bj)=DWATN(I,J,bi,bj) |
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CML & *(SIGN(SINWAT,COR_ICE(I,J,bi,bj)) |
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CML & *(GWATX(I,J,bi,bj)-UICEC(I,J,bi,bj)) |
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mlosch |
1.21 |
CML & +COSWAT*(GWATY(I,J,bi,bj)-VICE(I,J,bi,bj))) |
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mlosch |
1.20 |
CML WINDX(I,J,bi,bj)=WINDX(I,J,bi,bj)-( COR_ICE(I,J,bi,bj) |
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CML & *GWATY(I,J,bi,bj)-COR_ICE(I,J,bi,bj)*VICEC(I,J,bi,bj)) |
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CML WINDY(I,J,bi,bj)=WINDY(I,J,bi,bj)-(-COR_ICE(I,J,bi,bj) |
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CML & *GWATX(I,J,bi,bj)+COR_ICE(I,J,bi,bj)*UICEC(I,J,bi,bj)) |
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mlosch |
1.21 |
CML WINDX(I,J,bi,bj)=WINDX(I,J,bi,bj)-(UICE(I,J,bi,bj) |
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mlosch |
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CML & -UICE(I,J,3,bi,bj))*AMASS(I,J,bi,bj)/SEAICE_DT*TWO |
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mlosch |
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CML WINDY(I,J,bi,bj)=WINDY(I,J,bi,bj)-(VICE(I,J,bi,bj) |
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mlosch |
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CML & -VICE(I,J,3,bi,bj))*AMASS(I,J,bi,bj)/SEAICE_DT*TWO |
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CML ENDDO |
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CML ENDDO |
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CML ENDDO |
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CML ENDDO |
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CML DO bj=myByLo(myThid),myByHi(myThid) |
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CML DO bi=myBxLo(myThid),myBxHi(myThid) |
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CML DO j=1,sNy |
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CML DO i=1,sNx |
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CML WINDX(I,J,bi,bj)=-WINDX(I,J,bi,bj) |
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CML WINDY(I,J,bi,bj)=-WINDY(I,J,bi,bj) |
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CML ENDDO |
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CML ENDDO |
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CML ENDDO |
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CML ENDDO |
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CML ENDIF |
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CML#endif /* SEAICE_ALLOW_DYNAMICS */ |
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dimitri |
1.11 |
#endif /* SEAICE_ORIGINAL_BAD_ICE_STRESS */ |
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dimitri |
1.3 |
C-- Update overlap regions |
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dimitri |
1.9 |
CALL EXCH_UV_XY_RL(WINDX, WINDY, .TRUE., myThid) |
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heimbach |
1.2 |
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dimitri |
1.10 |
#ifndef SEAICE_EXTERNAL_FLUXES |
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C-- Interpolate wind stress (N/m^2) from South-West B-grid |
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C to South-West C-grid for forcing ocean model. |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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DO j=1,sNy |
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DO i=1,sNx |
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dimitri |
1.7 |
fu(I,J,bi,bj)=HALF |
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& *(WINDX(I,J+1,bi,bj)+WINDX(I,J,bi,bj)) |
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fv(I,J,bi,bj)=HALF |
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& *(WINDY(I+1,J,bi,bj)+WINDY(I,J,bi,bj)) |
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heimbach |
1.2 |
ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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dimitri |
1.9 |
CALL EXCH_UV_XY_RS(fu, fv, .TRUE., myThid) |
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dimitri |
1.10 |
#endif /* ifndef SEAICE_EXTERNAL_FLUXES */ |
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heimbach |
1.2 |
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mlosch |
1.19 |
#ifdef SEAICE_BICE_STRESS |
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dimitri |
1.11 |
C-- Compute ice-affected wind stress |
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dimitri |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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DO j=1,sNy |
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DO i=1,sNx |
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mlosch |
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fuIce=QUART*( DWATN(I,J,bi,bj)+DWATN(I,J+1,bi,bj) )*( |
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jmc |
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& COSWAT * |
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mlosch |
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& ( UICE(I,J, bi,bj)-GWATX(I,J, bi,bj) |
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& + UICE(I,J+1,bi,bj)-GWATX(I,J+1,bi,bj) ) |
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mlosch |
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& -SIGN(SINWAT,COR_ICE(I,J,bi,bj)) * |
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mlosch |
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& ( VICE(I, J,bi,bj)-GWATY(I, J,bi,bj) |
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& + VICE(I+1,J,bi,bj)-GWATY(I+1,J,bi,bj) ) |
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mlosch |
1.16 |
& ) |
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fvIce=QUART*( DWATN(I,J,bi,bj)+DWATN(I+1,J,bi,bj) )*( |
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jmc |
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& SIGN(SINWAT,COR_ICE(I,J,bi,bj)) * |
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mlosch |
1.21 |
& ( UICE(I,J, bi,bj)-GWATX(I,J, bi,bj) |
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& + UICE(I,J+1,bi,bj)-GWATX(I,J+1,bi,bj) ) |
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jmc |
1.22 |
& + COSWAT * |
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& ( VICE(I, J,bi,bj)-GWATY(I, J,bi,bj) |
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mlosch |
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& + VICE(I+1,J,bi,bj)-GWATY(I+1,J,bi,bj) ) |
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mlosch |
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& ) |
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mlosch |
1.21 |
fu(I,J,bi,bj)=(ONE-AREA(I,J,bi,bj))*fu(I,J,bi,bj)+ |
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& AREA(I,J,bi,bj)*fuIce |
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fv(I,J,bi,bj)=(ONE-AREA(I,J,bi,bj))*fv(I,J,bi,bj)+ |
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& AREA(I,J,bi,bj)*fvIce |
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dimitri |
1.11 |
ENDDO |
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ENDDO |
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ENDDO |
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dimitri |
1.12 |
ENDDO |
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dimitri |
1.11 |
CALL EXCH_UV_XY_RS(fu, fv, .TRUE., myThid) |
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mlosch |
1.19 |
#endif /* SEAICE_BICE_STRESS */ |
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mlosch |
1.17 |
#endif /* not SEAICE_CGRID */ |
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dimitri |
1.11 |
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heimbach |
1.2 |
RETURN |
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END |
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