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C $Header: /u/gcmpack/models/MITgcmUV/pkg/mom_fluxform/mom_v_metric_nh.F,v 1.2 2001/05/29 14:01:38 adcroft Exp $ |
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C $Name: $ |
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|
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#include "CPP_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: MOM_V_METRIC_NH |
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|
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C !INTERFACE: ========================================================== |
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SUBROUTINE MOM_V_METRIC_NH( |
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I bi,bj,k, |
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I vFld,wFld, |
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O vMetricTerms, |
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I myThid) |
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|
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C !DESCRIPTION: |
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C Calculates the zonal metric term due to non-hydrostaticity on the sphere: |
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C \begin{equation} |
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C -\frac{v}{a} \overline{w}^{jk} |
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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 vFld :: merdional flow |
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C wFld :: vertical flow |
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C myThid :: thread number |
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INTEGER bi,bj,k |
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_RL vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL wFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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INTEGER myThid |
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|
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C !OUTPUT PARAMETERS: ================================================== |
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C vMetricTerms :: metric term |
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_RL vMetricTerms(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,Kp1 |
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_RL wVelBottomOverride |
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CEOP |
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|
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Kp1=min(k+1,Nr) |
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wVelBottomOverride=1. |
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IF (k.EQ.Nr) wVelBottomOverride=0. |
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|
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DO j=1-Olx+1,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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vMetricTerms(i,j) = -vFld(i,j)*recip_RSphere |
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& *0.25*(wVelBottomOverride* |
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& (wFld(i,j,kp1,bi,bj)+wFld(i,j-1,kp1,bi,bj)) |
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& +wFld(i,j, k ,bi,bj)+wFld(i,j-1, k ,bi,bj) |
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& )*rkFac*recip_horiVertRatio |
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ENDDO |
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ENDDO |
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|
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RETURN |
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END |