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Added "gad" package. Needs generalizing to allow selection of advection schemes at run-time and different schemes for each tracer.
| 1 | C $Header: $ |
| 2 | C $Name: $ |
| 3 | |
| 4 | #include "GAD_OPTIONS.h" |
| 5 | |
| 6 | SUBROUTINE GAD_DIFF_Y( |
| 7 | I bi,bj,k, |
| 8 | I yA, diffKh, |
| 9 | I tracer, |
| 10 | O dfy, |
| 11 | I myThid ) |
| 12 | IMPLICIT NONE |
| 13 | |
| 14 | C == GLobal variables == |
| 15 | #include "SIZE.h" |
| 16 | #include "GRID.h" |
| 17 | |
| 18 | C == Routine arguments == |
| 19 | INTEGER bi,bj,k |
| 20 | _RS yA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 21 | _RL diffKh |
| 22 | _RL tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 23 | _RL dfy (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 24 | INTEGER myThid |
| 25 | |
| 26 | C == Local variables == |
| 27 | INTEGER i,j |
| 28 | |
| 29 | DO i=1-Olx,sNx+Olx |
| 30 | dfy(i,1-Oly)=0. |
| 31 | ENDDO |
| 32 | DO j=1-Oly+1,sNy+Oly |
| 33 | DO i=1-Olx,sNx+Olx |
| 34 | dfy(i,j) = -diffKh*yA(i,j) |
| 35 | & *_recip_dyC(i,j,bi,bj) |
| 36 | & *(Tracer(i,j)-Tracer(i,j-1)) |
| 37 | #ifdef ISOTROPIC_COS_SCALING |
| 38 | & *CosFacV(j,bi,bj) |
| 39 | #endif |
| 40 | ENDDO |
| 41 | ENDDO |
| 42 | |
| 43 | RETURN |
| 44 | END |
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