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C $Header: /u/gcmpack/MITgcm/pkg/mom_fluxform/mom_u_adv_wu.F,v 1.7 2003/10/09 04:19:20 edhill Exp $ |
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C $Name: $ |
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|
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#include "MOM_FLUXFORM_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: MOM_U_ADV_WU |
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|
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C !INTERFACE: ========================================================== |
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SUBROUTINE MOM_U_ADV_WU( |
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I bi,bj,k, |
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I uFld,wFld,rTrans, |
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O advectiveFluxWU, |
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I myThid) |
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|
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C !DESCRIPTION: |
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C Calculates the vertical advective flux of zonal momentum: |
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C \begin{equation*} |
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C F^r = \overline{W}^i \overline{u}^{k} |
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C \end{equation*} |
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|
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C !USES: =============================================================== |
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IMPLICIT NONE |
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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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|
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C !INPUT PARAMETERS: =================================================== |
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C bi,bj :: tile indices |
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C k :: vertical level |
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C uFld :: zonal velocity |
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C wFld :: vertical velocity |
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C rTrans :: vertical transport (above U point) |
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C myThid :: thread number |
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INTEGER bi,bj,k |
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_RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL wFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL rTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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INTEGER myThid |
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|
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C !OUTPUT PARAMETERS: ================================================== |
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C advectiveFluxWU :: advective flux |
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_RL advectiveFluxWU(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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|
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C !LOCAL VARIABLES: ==================================================== |
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C i,j :: loop indices |
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INTEGER I,J |
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CEOP |
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_RL tmpFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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|
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IF ( k.EQ.Nr+1 .AND. |
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& useRealFreshWaterFlux .AND. usingPCoords ) THEN |
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DO j=1-Oly+1,sNy+Oly |
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DO i=1-Olx+1,sNx+Olx |
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advectiveFluxWU(i,j) = rTrans(i,j)*uFld(i,j,k-1,bi,bj) |
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ENDDO |
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ENDDO |
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|
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ELSEIF ( k.GT.Nr .OR. (k.EQ.1.AND.rigidLid) ) THEN |
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C Advective flux = 0 at k=Nr+1 ; = 0 at k=1 if rigid-lid |
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|
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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advectiveFluxWU(i,j) = 0. |
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ENDDO |
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ENDDO |
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|
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ELSEIF (k.EQ.1) THEN |
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C (linear) Free-surface correction at k=1 |
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|
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DO j=1-Oly+1,sNy+Oly |
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DO i=1-Olx+1,sNx+Olx |
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advectiveFluxWU(i,j) = rTrans(i,j)*uFld(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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|
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ELSE |
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|
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C Vertical advection - interior ; assume uFld & wFld are masked |
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DO j=1-Oly+1,sNy+Oly |
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DO i=1-Olx+1,sNx+Olx |
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advectiveFluxWU(i,j) = rTrans(i,j)* |
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& 0.5 _d 0*( uFld(i,j,k,bi,bj)+uFld(i,j,k-1,bi,bj) ) |
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ENDDO |
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ENDDO |
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|
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IF ( select_rStar.EQ.0 .AND. .NOT.rigidLid ) THEN |
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C (linear) Free-surface correction at k>1 |
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DO j=1-Oly+1,sNy+Oly |
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DO i=1-Olx+1,sNx+Olx |
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advectiveFluxWU(i,j) = advectiveFluxWU(i,j) |
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& +0.25*( |
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& wFld(i, j ,k,bi,bj)*rA(i, j ,bi,bj)* |
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& (maskC(i,j,k,bi,bj) - maskC(i,j,k-1,bi,bj)) |
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& +wFld(i-1,j,k,bi,bj)*rA(i-1,j,bi,bj)* |
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& (maskC(i-1,j,k,bi,bj)-maskC(i-1,j,k-1,bi,bj)) |
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& )*uFld(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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C- endif NOT rigidLid |
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ENDIF |
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|
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ENDIF |
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|
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RETURN |
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END |
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