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C $Header: /u/gcmpack/MITgcm/pkg/mom_common/mom_w_metric_nh.F,v 1.1 2006/03/20 14:40:31 jmc Exp $ |
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C $Name: $ |
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|
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#include "MOM_COMMON_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: MOM_W_METRIC_NH |
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|
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C !INTERFACE: ========================================================== |
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SUBROUTINE MOM_W_METRIC_NH( |
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I bi,bj,k, |
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I uFld, vFld, |
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O wMetricTerms, |
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I myThid ) |
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|
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C !DESCRIPTION: |
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C Calculates the vertical metric term due to non-hydrostaticity on the sphere: |
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C \begin{equation} |
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C + \frac{1}{a} \overline{ \overline{u^2}^{i} + \overline{v^2}^{j} }^{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 flow |
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C vFld :: meridional flow |
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C myThid :: my Thread Id 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 vFld(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 wMetricTerms :: metric term |
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_RL wMetricTerms(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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|
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#ifdef ALLOW_NONHYDROSTATIC |
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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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|
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IF ( k.GT.1 .AND. K.LE.Nr ) THEN |
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DO j=1-Olx,sNy+Oly-1 |
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DO i=1-Olx,sNx+Olx-1 |
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wMetricTerms(i,j) = -gravitySign*horiVertRatio |
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& *recip_rSphere*recip_deepFacF(k)*( |
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& ( (uFld( i ,j,k-1,bi,bj)*uFld( i ,j,k-1,bi,bj) |
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& +uFld(i+1,j,k-1,bi,bj)*uFld(i+1,j,k-1,bi,bj)) |
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& + (vFld(i, j ,k-1,bi,bj)*vFld(i, j ,k-1,bi,bj) |
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& +vFld(i,j+1,k-1,bi,bj)*vFld(i,j+1,k-1,bi,bj)) |
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& ) |
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& + ( (uFld( i ,j, k ,bi,bj)*uFld( i ,j, k ,bi,bj) |
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& +uFld(i+1,j, k ,bi,bj)*uFld(i+1,j, k ,bi,bj)) |
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& + (vFld(i, j , k ,bi,bj)*vFld(i, j , k ,bi,bj) |
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& +vFld(i,j+1, k ,bi,bj)*vFld(i,j+1, k ,bi,bj)) |
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& ) )*0.25 _d 0 |
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ENDDO |
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ENDDO |
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ELSE |
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DO j=1-Olx,sNy+Oly-1 |
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DO i=1-Olx,sNx+Olx-1 |
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wMetricTerms(i,j) = 0. _d 0 |
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ENDDO |
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ENDDO |
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ENDIF |
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|
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#endif /* ALLOW_NONHYDROSTATIC */ |
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|
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RETURN |
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END |
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