| 1 |
C $Header: /u/gcmpack/MITgcm/verification/tidal_basin_2d/code/external_forcing.F,v 1.5 2005/07/17 19:53:41 jmc Exp $ |
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C $Name: $ |
| 3 |
|
| 4 |
#include "PACKAGES_CONFIG.h" |
| 5 |
#include "CPP_OPTIONS.h" |
| 6 |
|
| 7 |
CBOP |
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C !ROUTINE: EXTERNAL_FORCING_U |
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C !INTERFACE: |
| 10 |
SUBROUTINE EXTERNAL_FORCING_U( |
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I iMin,iMax, jMin,jMax, bi,bj, kLev, |
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I myTime, myThid ) |
| 13 |
C !DESCRIPTION: \bv |
| 14 |
C *==========================================================* |
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C | S/R EXTERNAL_FORCING_U |
| 16 |
C | o Contains problem specific forcing for zonal velocity. |
| 17 |
C *==========================================================* |
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C | Adds terms to gU for forcing by external sources |
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C | e.g. wind stress, bottom friction etc ... |
| 20 |
C *==========================================================* |
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C \ev |
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|
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C !USES: |
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IMPLICIT NONE |
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C == Global data == |
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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 "GRID.h" |
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#include "DYNVARS.h" |
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#include "FFIELDS.h" |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C iMin,iMax :: Working range of x-index for applying forcing. |
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C jMin,jMax :: Working range of y-index for applying forcing. |
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C bi,bj :: Current tile indices |
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C kLev :: Current vertical level index |
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C myTime :: Current time in simulation |
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C myThid :: Thread Id number |
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INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj |
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_RL myTime |
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INTEGER myThid |
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|
| 45 |
C !LOCAL VARIABLES: |
| 46 |
C == Local variables == |
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C i,j :: Loop counters |
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C kSurface :: index of surface layer |
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INTEGER i, j |
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INTEGER kSurface |
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_RL tidal_freq,tidal_Hscale |
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_RL Coord2longitude,longitud1,longitud2 |
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CEOP |
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|
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IF ( fluidIsAir ) THEN |
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kSurface = 0 |
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ELSEIF ( usingPCoords ) THEN |
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kSurface = Nr |
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ELSE |
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kSurface = 1 |
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ENDIF |
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|
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C-- Forcing term |
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#ifdef ALLOW_AIM |
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IF ( useAIM ) CALL AIM_TENDENCY_APPLY_U( |
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& iMin,iMax, jMin,jMax, bi,bj, kLev, |
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& myTime, myThid ) |
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#endif /* ALLOW_AIM */ |
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|
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#ifdef ALLOW_FIZHI |
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IF ( useFIZHI ) CALL FIZHI_TENDENCY_APPLY_U( |
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& iMin,iMax, jMin,jMax, bi,bj, kLev, |
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& myTime, myThid ) |
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#endif /* ALLOW_FIZHI */ |
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|
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C Add windstress momentum impulse into the top-layer |
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IF ( kLev .EQ. kSurface ) THEN |
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c DO j=1,sNy |
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C-jmc: Without CD-scheme, this is OK ; but with CD-scheme, needs to cover [0:sNy+1] |
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DO j=0,sNy+1 |
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DO i=1,sNx+1 |
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gU(i,j,kLev,bi,bj) = gU(i,j,kLev,bi,bj) |
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& +foFacMom*surfaceForcingU(i,j,bi,bj) |
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& *recip_drF(kLev)*recip_hFacW(i,j,kLev,bi,bj) |
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ENDDO |
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ENDDO |
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ENDIF |
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|
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|
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C-- Tidal body force: written as gradient of geopotential |
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C True M2 frequency is |
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c tidal_freq=2.*pi/(43200.+25.*60.) |
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C But for convenience we are using 12 hour period |
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tidal_freq=2.*pi/(43200.) |
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C Make the tide relatively strong (about 1 m) |
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tidal_Hscale=10. |
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IF ( usingCartesianGrid ) THEN |
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Coord2longitude=1./rSphere |
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ELSEIF ( usingSphericalPolarGrid ) THEN |
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Coord2longitude=pi/180. |
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ELSE |
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STOP 'Be careful about 2D!' |
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ENDIF |
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DO j=0,sNy+1 |
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DO i=1,sNx+1 |
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longitud1=XC(i-1,j,bi,bj)*Coord2longitude |
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longitud2=XC(i,j,bi,bj)*Coord2longitude |
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gU(i,j,kLev,bi,bj) = gU(i,j,kLev,bi,bj) |
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& +gravity*tidal_Hscale* |
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& ( SIN( tidal_freq*myTime + 2.*longitud2 ) |
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& -SIN( tidal_freq*myTime + 2.*longitud1 ) |
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& )*recip_DXC(i,j,bi,bj) |
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& *_maskW(i,j,kLev,bi,bj) |
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c & *min( myTime/86400. , 1.) |
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ENDDO |
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ENDDO |
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|
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#if (defined (ALLOW_TAU_EDDY)) |
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CALL TAUEDDY_EXTERNAL_FORCING_U( |
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I iMin,iMax, jMin,jMax, bi,bj, kLev, |
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I myTime, myThid ) |
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#endif |
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|
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#ifdef ALLOW_OBCS |
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IF (useOBCS) THEN |
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CALL OBCS_SPONGE_U( |
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I iMin,iMax, jMin,jMax, bi,bj, kLev, |
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I myTime, myThid ) |
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ENDIF |
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#endif |
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|
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RETURN |
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END |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: EXTERNAL_FORCING_V |
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C !INTERFACE: |
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SUBROUTINE EXTERNAL_FORCING_V( |
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I iMin,iMax, jMin,jMax, bi,bj, kLev, |
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I myTime, myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | S/R EXTERNAL_FORCING_V |
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C | o Contains problem specific forcing for merid velocity. |
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C *==========================================================* |
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C | Adds terms to gV for forcing by external sources |
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C | e.g. wind stress, bottom friction etc ... |
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C *==========================================================* |
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C \ev |
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|
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C !USES: |
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IMPLICIT NONE |
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C == Global data == |
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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 "GRID.h" |
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#include "DYNVARS.h" |
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#include "FFIELDS.h" |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C iMin,iMax :: Working range of x-index for applying forcing. |
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C jMin,jMax :: Working range of y-index for applying forcing. |
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C bi,bj :: Current tile indices |
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C kLev :: Current vertical level index |
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C myTime :: Current time in simulation |
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C myThid :: Thread Id number |
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INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj |
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_RL myTime |
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INTEGER myThid |
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|
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C !LOCAL VARIABLES: |
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C == Local variables == |
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C i,j :: Loop counters |
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C kSurface :: index of surface layer |
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INTEGER i, j |
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INTEGER kSurface |
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CEOP |
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|
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IF ( fluidIsAir ) THEN |
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kSurface = 0 |
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ELSEIF ( usingPCoords ) THEN |
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kSurface = Nr |
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ELSE |
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kSurface = 1 |
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ENDIF |
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|
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C-- Forcing term |
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#ifdef ALLOW_AIM |
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IF ( useAIM ) CALL AIM_TENDENCY_APPLY_V( |
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& iMin,iMax, jMin,jMax, bi,bj, kLev, |
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& myTime, myThid ) |
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#endif /* ALLOW_AIM */ |
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|
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#ifdef ALLOW_FIZHI |
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IF ( useFIZHI ) CALL FIZHI_TENDENCY_APPLY_V( |
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& iMin,iMax, jMin,jMax, bi,bj, kLev, |
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& myTime, myThid ) |
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#endif /* ALLOW_FIZHI */ |
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|
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C Add windstress momentum impulse into the top-layer |
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IF ( kLev .EQ. kSurface ) THEN |
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DO j=1,sNy+1 |
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c DO i=1,sNx |
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C-jmc: Without CD-scheme, this is OK ; but with CD-scheme, needs to cover [0:sNx+1] |
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DO i=0,sNx+1 |
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gV(i,j,kLev,bi,bj) = gV(i,j,kLev,bi,bj) |
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& +foFacMom*surfaceForcingV(i,j,bi,bj) |
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& *recip_drF(kLev)*recip_hFacS(i,j,kLev,bi,bj) |
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ENDDO |
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ENDDO |
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ENDIF |
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|
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#if (defined (ALLOW_TAU_EDDY)) |
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CALL TAUEDDY_EXTERNAL_FORCING_V( |
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I iMin,iMax, jMin,jMax, bi,bj, kLev, |
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I myTime, myThid ) |
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#endif |
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|
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#ifdef ALLOW_OBCS |
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IF (useOBCS) THEN |
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CALL OBCS_SPONGE_V( |
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I iMin,iMax, jMin,jMax, bi,bj, kLev, |
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I myTime, myThid ) |
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ENDIF |
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#endif |
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|
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RETURN |
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END |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: EXTERNAL_FORCING_T |
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C !INTERFACE: |
| 237 |
SUBROUTINE EXTERNAL_FORCING_T( |
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I iMin,iMax, jMin,jMax, bi,bj, kLev, |
| 239 |
I myTime, myThid ) |
| 240 |
C !DESCRIPTION: \bv |
| 241 |
C *==========================================================* |
| 242 |
C | S/R EXTERNAL_FORCING_T |
| 243 |
C | o Contains problem specific forcing for temperature. |
| 244 |
C *==========================================================* |
| 245 |
C | Adds terms to gT for forcing by external sources |
| 246 |
C | e.g. heat flux, climatalogical relaxation, etc ... |
| 247 |
C *==========================================================* |
| 248 |
C \ev |
| 249 |
|
| 250 |
C !USES: |
| 251 |
IMPLICIT NONE |
| 252 |
C == Global data == |
| 253 |
#include "SIZE.h" |
| 254 |
#include "EEPARAMS.h" |
| 255 |
#include "PARAMS.h" |
| 256 |
#include "GRID.h" |
| 257 |
#include "DYNVARS.h" |
| 258 |
#include "FFIELDS.h" |
| 259 |
|
| 260 |
C !INPUT/OUTPUT PARAMETERS: |
| 261 |
C == Routine arguments == |
| 262 |
C iMin,iMax :: Working range of x-index for applying forcing. |
| 263 |
C jMin,jMax :: Working range of y-index for applying forcing. |
| 264 |
C bi,bj :: Current tile indices |
| 265 |
C kLev :: Current vertical level index |
| 266 |
C myTime :: Current time in simulation |
| 267 |
C myThid :: Thread Id number |
| 268 |
INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj |
| 269 |
_RL myTime |
| 270 |
INTEGER myThid |
| 271 |
|
| 272 |
C !LOCAL VARIABLES: |
| 273 |
C == Local variables == |
| 274 |
C i,j :: Loop counters |
| 275 |
C kSurface :: index of surface layer |
| 276 |
INTEGER i, j |
| 277 |
INTEGER kSurface |
| 278 |
CEOP |
| 279 |
#ifdef SHORTWAVE_HEATING |
| 280 |
integer two |
| 281 |
_RL minusone |
| 282 |
parameter (two=2,minusone=-1.) |
| 283 |
_RL swfracb(two) |
| 284 |
INTEGER kp1 |
| 285 |
#endif |
| 286 |
|
| 287 |
IF ( fluidIsAir ) THEN |
| 288 |
kSurface = 0 |
| 289 |
ELSEIF ( usingPCoords ) THEN |
| 290 |
kSurface = Nr |
| 291 |
ELSE |
| 292 |
kSurface = 1 |
| 293 |
ENDIF |
| 294 |
|
| 295 |
C-- Forcing term |
| 296 |
#ifdef ALLOW_AIM |
| 297 |
IF ( useAIM ) CALL AIM_TENDENCY_APPLY_T( |
| 298 |
& iMin,iMax, jMin,jMax, bi,bj, kLev, |
| 299 |
& myTime, myThid ) |
| 300 |
#endif /* ALLOW_AIM */ |
| 301 |
|
| 302 |
#ifdef ALLOW_FIZHI |
| 303 |
IF ( useFIZHI ) CALL FIZHI_TENDENCY_APPLY_T( |
| 304 |
& iMin,iMax, jMin,jMax, bi,bj, kLev, |
| 305 |
& myTime, myThid ) |
| 306 |
#endif /* ALLOW_FIZHI */ |
| 307 |
|
| 308 |
C Add heat in top-layer |
| 309 |
IF ( kLev .EQ. kSurface ) THEN |
| 310 |
DO j=1,sNy |
| 311 |
DO i=1,sNx |
| 312 |
gT(i,j,kLev,bi,bj)=gT(i,j,kLev,bi,bj) |
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& +surfaceForcingT(i,j,bi,bj) |
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& *recip_drF(kLev)*recip_hFacC(i,j,kLev,bi,bj) |
| 315 |
ENDDO |
| 316 |
ENDDO |
| 317 |
ENDIF |
| 318 |
|
| 319 |
#ifdef SHORTWAVE_HEATING |
| 320 |
C Penetrating SW radiation |
| 321 |
c IF ( usePenetratingSW ) THEN |
| 322 |
swfracb(1)=abs(rF(klev)) |
| 323 |
swfracb(2)=abs(rF(klev+1)) |
| 324 |
CALL SWFRAC( |
| 325 |
I two, minusone, |
| 326 |
U swfracb, |
| 327 |
I myTime, 1, myThid ) |
| 328 |
kp1 = klev+1 |
| 329 |
IF (klev.EQ.Nr) THEN |
| 330 |
kp1 = klev |
| 331 |
swfracb(2)=0. _d 0 |
| 332 |
ENDIF |
| 333 |
DO j=1,sNy |
| 334 |
DO i=1,sNx |
| 335 |
gT(i,j,klev,bi,bj) = gT(i,j,klev,bi,bj) |
| 336 |
& -Qsw(i,j,bi,bj)*(swfracb(1)*maskC(i,j,klev,bi,bj) |
| 337 |
& -swfracb(2)*maskC(i,j,kp1, bi,bj)) |
| 338 |
& *recip_Cp*recip_rhoConst |
| 339 |
& *recip_drF(klev)*recip_hFacC(i,j,kLev,bi,bj) |
| 340 |
ENDDO |
| 341 |
ENDDO |
| 342 |
c ENDIF |
| 343 |
#endif |
| 344 |
|
| 345 |
#ifdef ALLOW_OBCS |
| 346 |
IF (useOBCS) THEN |
| 347 |
CALL OBCS_SPONGE_T( |
| 348 |
I iMin,iMax, jMin,jMax, bi,bj, kLev, |
| 349 |
I myTime, myThid ) |
| 350 |
ENDIF |
| 351 |
#endif |
| 352 |
|
| 353 |
RETURN |
| 354 |
END |
| 355 |
|
| 356 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 357 |
CBOP |
| 358 |
C !ROUTINE: EXTERNAL_FORCING_S |
| 359 |
C !INTERFACE: |
| 360 |
SUBROUTINE EXTERNAL_FORCING_S( |
| 361 |
I iMin,iMax, jMin,jMax, bi,bj, kLev, |
| 362 |
I myTime, myThid ) |
| 363 |
|
| 364 |
C !DESCRIPTION: \bv |
| 365 |
C *==========================================================* |
| 366 |
C | S/R EXTERNAL_FORCING_S |
| 367 |
C | o Contains problem specific forcing for merid velocity. |
| 368 |
C *==========================================================* |
| 369 |
C | Adds terms to gS for forcing by external sources |
| 370 |
C | e.g. fresh-water flux, climatalogical relaxation, etc ... |
| 371 |
C *==========================================================* |
| 372 |
C \ev |
| 373 |
|
| 374 |
C !USES: |
| 375 |
IMPLICIT NONE |
| 376 |
C == Global data == |
| 377 |
#include "SIZE.h" |
| 378 |
#include "EEPARAMS.h" |
| 379 |
#include "PARAMS.h" |
| 380 |
#include "GRID.h" |
| 381 |
#include "DYNVARS.h" |
| 382 |
#include "FFIELDS.h" |
| 383 |
|
| 384 |
C !INPUT/OUTPUT PARAMETERS: |
| 385 |
C == Routine arguments == |
| 386 |
C iMin,iMax :: Working range of x-index for applying forcing. |
| 387 |
C jMin,jMax :: Working range of y-index for applying forcing. |
| 388 |
C bi,bj :: Current tile indices |
| 389 |
C kLev :: Current vertical level index |
| 390 |
C myTime :: Current time in simulation |
| 391 |
C myThid :: Thread Id number |
| 392 |
INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj |
| 393 |
_RL myTime |
| 394 |
INTEGER myThid |
| 395 |
|
| 396 |
C !LOCAL VARIABLES: |
| 397 |
C == Local variables == |
| 398 |
C i,j :: Loop counters |
| 399 |
C kSurface :: index of surface layer |
| 400 |
INTEGER i, j |
| 401 |
INTEGER kSurface |
| 402 |
CEOP |
| 403 |
|
| 404 |
IF ( fluidIsAir ) THEN |
| 405 |
kSurface = 0 |
| 406 |
ELSEIF ( usingPCoords ) THEN |
| 407 |
kSurface = Nr |
| 408 |
ELSE |
| 409 |
kSurface = 1 |
| 410 |
ENDIF |
| 411 |
|
| 412 |
C-- Forcing term |
| 413 |
#ifdef ALLOW_AIM |
| 414 |
IF ( useAIM ) CALL AIM_TENDENCY_APPLY_S( |
| 415 |
& iMin,iMax, jMin,jMax, bi,bj, kLev, |
| 416 |
& myTime, myThid ) |
| 417 |
#endif /* ALLOW_AIM */ |
| 418 |
|
| 419 |
#ifdef ALLOW_FIZHI |
| 420 |
IF ( useFIZHI ) CALL FIZHI_TENDENCY_APPLY_S( |
| 421 |
& iMin,iMax, jMin,jMax, bi,bj, kLev, |
| 422 |
& myTime, myThid ) |
| 423 |
#endif /* ALLOW_FIZHI */ |
| 424 |
|
| 425 |
C Add fresh-water in top-layer |
| 426 |
IF ( kLev .EQ. kSurface ) THEN |
| 427 |
DO j=1,sNy |
| 428 |
DO i=1,sNx |
| 429 |
gS(i,j,kLev,bi,bj)=gS(i,j,kLev,bi,bj) |
| 430 |
& +surfaceForcingS(i,j,bi,bj) |
| 431 |
& *recip_drF(kLev)*recip_hFacC(i,j,kLev,bi,bj) |
| 432 |
ENDDO |
| 433 |
ENDDO |
| 434 |
ENDIF |
| 435 |
|
| 436 |
#ifdef ALLOW_OBCS |
| 437 |
IF (useOBCS) THEN |
| 438 |
CALL OBCS_SPONGE_S( |
| 439 |
I iMin,iMax, jMin,jMax, bi,bj, kLev, |
| 440 |
I myTime, myThid ) |
| 441 |
ENDIF |
| 442 |
#endif |
| 443 |
|
| 444 |
RETURN |
| 445 |
END |
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