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C $Header: /u/gcmpack/models/MITgcmUV/model/src/ini_cori.F,v 1.2 1998/04/24 02:05:41 cnh Exp $ |
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#include "CPP_EEOPTIONS.h" |
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CStartOfInterface |
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SUBROUTINE INI_CORI( myThid ) |
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C /==========================================================\ |
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C | SUBROUTINE INI_CORI | |
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C | o Initialise coriolis term. | |
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C \==========================================================/ |
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C === Global variables === |
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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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#include "DYNVARS.h" |
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C == Routine arguments == |
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C myThid - Number of this instance of INI_CORI |
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INTEGER myThid |
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CEndOfInterface |
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C == Local variables == |
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C iG, jG - Global coordinate index |
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C bi,bj - Loop counters |
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C I,J,K |
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C facGrid - Factor for grid to meter conversion |
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INTEGER iG, jG |
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INTEGER bi, bj |
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INTEGER I, J, K |
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_RL facGrid |
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C-- Initialise coriolis parameter |
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IF ( useConstantF ) THEN |
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C o Constant F case |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO K=1,Nz |
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DO J=1,sNy |
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DO I=1,sNx |
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fCori(i,j,bi,bj)=f0 |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ELSEIF ( useBetaPlaneF ) THEN |
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C o Beta plane case |
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facGrid = 1. _d 0 |
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IF ( usingSphericalPolarGrid ) facGrid = deg2rad*rSphere |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO K=1,Nz |
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DO J=1,sNy |
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DO I=1,sNx |
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fCori(i,j,bi,bj)=f0+beta*_yC(i,j,bi,bj)*facGrid |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ELSEIF ( useSphereF ) THEN |
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C o Spherical case |
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C Note in this case we assume yC is in degrees. |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO K=1,Nz |
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DO J=1,sNy |
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DO I=1,sNx |
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fCori(i,j,bi,bj)=2. _d 0*omega*sin(_yC(i,j,bi,bj)*deg2rad) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ELSE |
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C o Special custom form |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO K=1,Nz |
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DO J=1,sNy |
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DO I=1,sNx |
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fCori(i,j,bi,bj)=0. |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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C |
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_EXCH_XY_R4(fCori , myThid ) |
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RETURN |
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END |
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