/[MITgcm]/MITgcm/pkg/generic_advdiff/gad_diff_r.F
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revision 1.2 by adcroft, Thu Sep 20 20:07:06 2001 UTC revision 1.3 by adcroft, Fri Sep 21 13:11:43 2001 UTC
# Line 15  C !INTERFACE: ========================== Line 15  C !INTERFACE: ==========================
15       I           myThid )       I           myThid )
16    
17  C !DESCRIPTION:  C !DESCRIPTION:
18  C Calculates the vertical flux due to down-gradient diffusion of a tracer:  C Calculates the area integrated vertical flux due to down-gradient
19    C diffusion of a tracer:
20  C \begin{equation*}  C \begin{equation*}
21  C F^r_{diff} = - \kappa_r \partial_r \theta  C F^r_{diff} = - A^r \kappa_r \frac{1}{\Delta r_c} \delta_k \theta
22  C \end{equation*}  C \end{equation*}
23    
24  C !USES: ===============================================================  C !USES: ===============================================================
# Line 46  C !LOCAL VARIABLES: ==================== Line 47  C !LOCAL VARIABLES: ====================
47  C  i,j                  :: loop indices  C  i,j                  :: loop indices
48  C  km1                  :: =k+1 for k<Nr, =Nr for k>-Nr  C  km1                  :: =k+1 for k<Nr, =Nr for k>-Nr
49        INTEGER i,j,km1        INTEGER i,j,km1
50    CEOP
51    
52        km1=max(1,k-1)        km1=max(1,k-1)
53    
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