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#include "GAD_OPTIONS.h" |
#include "GAD_OPTIONS.h" |
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CBOP |
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C !ROUTINE: GAD_U3_ADV_R |
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C !INTERFACE: ========================================================== |
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SUBROUTINE GAD_U3_ADV_R( |
SUBROUTINE GAD_U3_ADV_R( |
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I bi,bj,k, |
I bi,bj,k, |
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I rTrans, |
I rTrans, |
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I tracer, |
I tracer, |
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O wT, |
O wT, |
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I myThid ) |
I myThid ) |
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C /==========================================================\ |
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C | SUBROUTINE GAD_U3_ADV_R | |
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C | o Compute vertical advective Flux of Tracer using | |
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C | 3rd Order Upwind Scheme | |
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C | o reduced to 2nd or 3rd Order near a boundary | |
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C |==========================================================| |
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IMPLICIT NONE |
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C == GLobal variables == |
C !DESCRIPTION: |
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C Calculates the area integrated vertical flux due to advection of a tracer |
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C using upwind biased third-order interpolation (or the $\kappa=1/3$ scheme): |
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C \begin{equation*} |
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C F^r_{adv} = W \overline{ \theta - \frac{1}{6} \delta_{kk} \theta }^k |
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C + \frac{1}{12} |W| \delta_{kkk} \theta |
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C \end{equation*} |
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C Near boundaries, reduces to second order when flow is away from boundary |
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C and third order when flow is towards boundary. |
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C !USES: =============================================================== |
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IMPLICIT NONE |
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#include "SIZE.h" |
#include "SIZE.h" |
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#include "GRID.h" |
#include "GRID.h" |
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#include "GAD.h" |
#include "GAD.h" |
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C == Routine arguments == |
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 rTrans :: vertical volume transport |
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C tracer :: tracer field |
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C myThid :: thread number |
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INTEGER bi,bj,k |
INTEGER bi,bj,k |
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_RL rTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL rTrans(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) |
_RL tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL wT (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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INTEGER myThid |
INTEGER myThid |
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C == Local variables == |
C !OUTPUT PARAMETERS: ================================================== |
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C wT :: vertical advective flux |
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_RL wT (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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C kp1 :: =min( k+1 , Nr ) |
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C km1 :: =max( k-1 , 1 ) |
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C km2 :: =max( k-2 , 1 ) |
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C Rjm,Rj,Rjp :: differences at i-1,i,i+1 |
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C Rjjm,Rjjp :: second differences at i-1,i |
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C maskP1 :: =1 for k<Nr, =0 for k>=Nr |
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INTEGER i,j,kp1,km1,km2 |
INTEGER i,j,kp1,km1,km2 |
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_RL Rjm,Rj,Rjp,Rjjm,Rjjp |
_RL Rjm,Rj,Rjp,Rjjm,Rjjp |
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_RL maskM2, maskP1 |
_RL maskM2, maskP1 |
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CEOP |
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km2=MAX(1,k-2) |
km2=MAX(1,k-2) |
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km1=MAX(1,k-1) |
km1=MAX(1,k-1) |