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C $Header: /u/gcmpack/models/MITgcmUV/model/src/ini_forcing.F,v 1.6 1998/06/09 18:57:38 cnh Exp $ |
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#include "CPP_EEOPTIONS.h" |
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CStartOfInterface |
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SUBROUTINE INI_FORCING( myThid ) |
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C /==========================================================\ |
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C | SUBROUTINE INI_FORCING | |
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C | o Set model initial forcing fields. | |
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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 "FFIELDS.h" |
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C == Routine arguments == |
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C myThid - Number of this instance of INI_FORCING |
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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 distY - Distance accross domain of point j |
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C lY - Width of the basin ( last point is land ) |
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C tauMax - Peak zonal wind stress ( N/m^2 ) |
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C tauX - Local zonal wind stress |
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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 distY |
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_RL lY |
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_RL tauX, tauMax |
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_BARRIER |
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C-- Initialise surface bc arrays |
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IF ( zonalWindFile .EQ. ' ' ) THEN |
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C In cartesian yc, delY and ly are meters. |
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C In spherical polar yc, delY and ly are degrees |
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tauMax = 0.1 _d 0 |
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lY = 0. _d 0 |
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DO j=1,nY-1 |
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lY = lY + delY(j) |
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ENDDO |
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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 j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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fu(i,j,bi,bj) = 0. _d 0 |
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fv(i,j,bi,bj) = 0. _d 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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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO j=1,sNy |
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DO i=1,sNx |
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distY = (yC(i,j,bi,bj)-yC0)/lY |
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tauX = -tauMax*cos(2. _d 0*PI*distY) |
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tauX = tauMax*sin(PI*distY) |
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fu(i,j,bi,bj) = tauX/(delZ(1)*rhonil) |
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C fu(i,j,bi,bj) = -tauMax |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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fu(4,4,1,1) = fu(4,4,1,1)*0.917d0 |
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ELSE |
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_BEGIN_MASTER(myThid) |
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CALL READ_FLD_XY_RS( zonalWindFile, ' ', fu, 0, myThid ) |
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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 j=1,sNy |
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DO i=1,sNx |
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fu(i,j,bi,bj) = fu(i,j,bi,bj)/(delZ(1)*rhonil) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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_END_MASTER(myThid) |
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ENDIF |
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C |
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_BARRIER |
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IF ( meridWindFile .EQ. ' ' ) THEN |
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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 j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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fv(i,j,bi,bj) = 0. _d 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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ELSE |
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_BEGIN_MASTER(myThid) |
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CALL READ_FLD_XY_RS( meridWindFile, ' ', fv, 0, myThid ) |
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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 j=1,sNy |
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DO i=1,sNx |
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fv(i,j,bi,bj) = fv(i,j,bi,bj)/(delZ(1)*rhonil) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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_END_MASTER(myThid) |
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ENDIF |
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C |
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_EXCH_XY_R4(fu , myThid ) |
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_EXCH_XY_R4(fv , myThid ) |
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CcnhDebugStarts |
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Cdbg WRITE(0,*) ' distY = ', distY |
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Cdbg WRITE(0,*) ' ly = ', lY |
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Cdbg WRITE(0,*) ' tauMax= ', tauMax |
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Cdbg CALL PLOT_FIELD_XYR8( fu, 'INI_FORCING FU',1,myThid) |
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Cdbg STOP 'INI_FORCING' |
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CcnhDebugEnds |
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RETURN |
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END |
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