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heimbach |
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C $Header: /u/gcmpack/MITgcm/model/src/external_forcing.F,v 1.28 2004/10/19 02:39:58 jmc Exp $ |
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C $Name: $ |
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#include "PACKAGES_CONFIG.h" |
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#include "CPP_OPTIONS.h" |
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#ifdef ALLOW_GMREDI |
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# include "GMREDI_OPTIONS.h" |
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#endif |
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CBOP |
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C !ROUTINE: TAUEDDY_EXTERNAL_FORCING_U |
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C !INTERFACE: |
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SUBROUTINE TAUEDDY_EXTERNAL_FORCING_U( |
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I iMin, iMax, jMin, jMax,bi,bj,kLev, |
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I myCurrentTime,myThid) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | S/R TAUEDDY_EXTERNAL_FORCING_U |
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C | o Contains problem specific forcing for zonal velocity. |
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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.................. |
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C *==========================================================* |
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C \ev |
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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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#ifdef ALLOW_GMREDI |
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# ifdef GM_BOLUS_ADVEC |
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# include "GMREDI.h" |
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# endif |
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#endif |
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C iMin - Working range of tile for applying forcing. |
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C iMax |
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C jMin |
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C jMax |
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C kLev |
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INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj |
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_RL myCurrentTime |
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INTEGER myThid |
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C !LOCAL VARIABLES: |
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C == Local variables == |
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C Loop counters |
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INTEGER I, J |
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C number of surface interface layer |
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INTEGER kSurface, Kp1 |
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_RL maskm1, maskp1 |
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CEOP |
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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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#if (defined (ALLOW_TAU_EDDY)) |
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C Add zonal eddy momentum impulse into the layer |
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Kp1=min(klev+1,Nr) |
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maskp1=1. |
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maskm1=1. |
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IF (klev.EQ.Nr) maskp1=0. |
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IF (klev.EQ.1) maskm1=0. |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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gU(i,j,kLev,bi,bj) = gU(i,j,kLev,bi,bj) |
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& +foFacMom* |
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& (maskm1*_maskW(i,j,klev,bi,bj)*eddyTauX(i,j,klev,bi,bj) |
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& -maskp1*_maskW(i,j,kp1,bi,bj)*eddyTauX(i,j,kp1,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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RETURN |
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END |
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CBOP |
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C !ROUTINE: TAUEDDY_EXTERNAL_FORCING_V |
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C !INTERFACE: |
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SUBROUTINE TAUEDDY_EXTERNAL_FORCING_V( |
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I iMin, iMax, jMin, jMax,bi,bj,kLev, |
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I myCurrentTime,myThid) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | S/R TAUEDDY_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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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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#ifdef ALLOW_GMREDI |
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# ifdef GM_BOLUS_ADVEC |
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# include "GMREDI.h" |
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# endif |
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#endif |
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C iMin - Working range of tile for applying forcing. |
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C iMax |
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C jMin |
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C jMax |
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C kLev |
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INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj |
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_RL myCurrentTime |
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INTEGER myThid |
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C !LOCAL VARIABLES: |
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C == Local variables == |
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C Loop counters |
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INTEGER I, J |
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C number of surface interface layer |
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INTEGER kSurface, Kp1 |
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_RL maskm1, maskp1 |
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CEOP |
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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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#ifdef ALLOW_TAU_EDDY |
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C Add meridional eddy momentum impulse into the layer |
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Kp1=min(klev+1,Nr) |
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maskp1=1. |
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maskm1=1. |
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IF (klev.EQ.Nr) maskp1=0. |
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IF (klev.EQ.1) maskm1=0. |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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gV(i,j,kLev,bi,bj) = gV(i,j,kLev,bi,bj) |
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& +foFacMom* |
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& (maskm1*_maskS(i,j,klev,bi,bj)*eddyTauY(i,j,klev,bi,bj) |
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& -maskp1*_maskS(i,j,kp1,bi,bj)*eddyTauY(i,j,kp1,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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RETURN |
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END |
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