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C $Header: /u/gcmpack/MITgcm/pkg/mom_common/mom_v_coriolis_nh.F,v 1.1 2006/03/30 19:44:19 jmc Exp $ |
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jmc |
1.1 |
C $Name: $ |
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#include "MOM_COMMON_OPTIONS.h" |
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CBOP |
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C !ROUTINE: MOM_V_CORIOLIS_NH |
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C !INTERFACE: ========================================================== |
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SUBROUTINE MOM_V_CORIOLIS_NH( |
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I bi,bj,k,wFld, |
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O vCoriolisTerm, |
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I myThid ) |
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C !DESCRIPTION: |
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C Calculates the 3.D Coriolis term in the meridional momentum equation: |
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C \begin{equation*} |
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C - \overline{ f' \overline{w}^{k} }^{i} |
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C \end{equation*} |
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C consistent with Non-Hydrostatic (or quasi-hydrostatic) formulation |
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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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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 wFld :: vertical flow |
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C myThid :: thread number |
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jmc |
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INTEGER bi,bj,k |
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jmc |
1.1 |
_RL wFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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INTEGER myThid |
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C !OUTPUT PARAMETERS: ================================================== |
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C vCoriolisTerm :: Coriolis term |
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_RL vCoriolisTerm(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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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 wMsk |
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CEOP |
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kp1=min(k+1,Nr) |
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wMsk=1. |
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IF (k.EQ.Nr) wMsk=0. |
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C Energy conserving discretization of 2*Omega*cos(phi)*w |
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DO j=2-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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vCoriolisTerm(i,j) = |
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& -0.5*( fCoriCos( i ,j,bi,bj)*angleSinC(i, j ,bi,bj) |
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& *0.5*( wFld( i ,j, k ,bi,bj)*rVel2wUnit( k ) |
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& +wFld( i ,j,kp1,bi,bj)*rVel2wUnit(kp1)*wMsk ) |
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& + fCoriCos(i,j-1,bi,bj)*angleSinC(i,j-1,bi,bj) |
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& *0.5*( wFld(i,j-1, k ,bi,bj)*rVel2wUnit( k ) |
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& +wFld(i,j-1,kp1,bi,bj)*rVel2wUnit(kp1)*wMsk ) |
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& )*gravitySign |
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1.1 |
ENDDO |
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ENDDO |
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RETURN |
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END |
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