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adcroft |
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C $Header: /u/gcmpack/models/MITgcmUV/model/src/ini_psurf.F,v 1.3 2001/03/06 16:51:02 jmc Exp $ |
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C $Name: $ |
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#include "CPP_OPTIONS.h" |
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CStartOfInterface |
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SUBROUTINE INI_PSURF( myThid ) |
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C /==========================================================\ |
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C | SUBROUTINE INI_PSURF | |
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C | o Set model initial free-surface height/pressure. | |
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C |==========================================================| |
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C | There are several options for setting the initial | |
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C | surface displacement (r unit) field. | |
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C | 1. Inline code | |
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C | 2. Two-dimensional data from a file. | |
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C \==========================================================/ |
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IMPLICIT NONE |
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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_PSURF |
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INTEGER myThid |
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CEndOfInterface |
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C == Local variables == |
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C bi,bj - Loop counters |
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C I,J |
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INTEGER bi, bj |
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INTEGER I, J |
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_RL omegaprime,fac |
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C-- Initialise surface position anomaly to zero |
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omegaprime=38.60328935834681d0/rSphere |
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fac=-(rSphere**2)*omegaprime*(Omega+omegaprime)/(4.d0*(Omega**2)) |
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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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etaN(I,J,bi,bj) = 0. +fac*(fCori(i,j,bi,bj)**2) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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C Read an initial state |
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IF (pSurfInitFile .NE. ' ') THEN |
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_BEGIN_MASTER( myThid ) |
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CALL READ_FLD_XY_RL( pSurfInitFile, ' ', etaN, 0, myThid ) |
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_END_MASTER(myThid) |
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ENDIF |
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C |
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_EXCH_XY_R8(etaN, myThid) |
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#ifdef INCLUDE_CD_CODE |
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C-- By default, initialize etaNm1 with etaN : |
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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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etaNm1(I,J,bi,bj) = etaN(I,J,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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C _EXCH_XY_R8(etaNm1, myThid) |
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#endif |
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RETURN |
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END |
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