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C $Header: /u/gcmpack/MITgcm/model/src/convectively_mixtracer.F,v 1.2 2002/02/26 20:34:14 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: CONVECTIVELY_MIXTRACER |
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C !INTERFACE: |
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SUBROUTINE CONVECTIVELY_MIXTRACER( |
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I bi, bj, k, weightA, weightB, |
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U Tracer, |
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I myThid ) |
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C !DESCRIPTION: |
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C Mixes a tracer over two layers according to the weights pre-calculated |
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C as a function of stability. |
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C |
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C Mixing is represented by: |
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C T(k-1) = T(k-1) + A * ( T(k) - T(k-1) ) |
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C T(k) = T(k) + B * ( T(k-1) - T(k) ) |
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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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|
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C !INPUT/OUTPUT PARAMETERS: |
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C bi,bj,k :: indices |
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C weightA :: weight for level k-1 |
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C weightB :: weight for level k |
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C myThid :: my Thread Id number |
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INTEGER bi,bj,k |
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_RL weightA(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL weightB(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL Tracer (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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#ifdef INCLUDE_CONVECT_CALL |
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|
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C !LOCAL VARIABLES: |
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C i,j :: Loop counter |
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C delTrac :: Difference between tracer in each layer |
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INTEGER i,j |
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_RL delTrac |
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CEOP |
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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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|
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delTrac=Tracer(i,j,k,bi,bj)-Tracer(i,j,k-1,bi,bj) |
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Tracer(i,j,k-1,bi,bj)=Tracer(i,j,k-1,bi,bj) |
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& +weightA(i,j)*delTrac |
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Tracer(i,j,k,bi,bj)=Tracer(i,j,k,bi,bj) |
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& -weightB(i,j)*delTrac |
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|
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ENDDO |
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ENDDO |
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|
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#endif /* INCLUDE_CONVECT_CALL */ |
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|
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RETURN |
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END |
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