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C $Header: /u/gcmpack/MITgcm/pkg/streamice/streamice_invert_surf_forthick.F,v 1.3 2013/06/21 20:49:50 jmc Exp $ |
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C $Name: $ |
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dgoldberg |
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#include "CPP_OPTIONS.h" |
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#include "STREAMICE_OPTIONS.h" |
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SUBROUTINE STREAMICE_INVERT_SURF_FORTHICK ( |
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O H, |
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I S, |
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I R, |
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I delta, |
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I myThid) |
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! This S/R finds a thickness (H) that gives surf elev S with bed R |
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#include "SIZE.h" |
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#include "GRID.h" |
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#include "SET_GRID.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "STREAMICE.h" |
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_RL H(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL S(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL R(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL DELTA |
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INTEGER myThid |
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#ifdef ALLOW_STREAMICE |
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_RL resid, f, fp, hf, htmp |
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INTEGER i, j, bi, bj, ITER |
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_RL ETA_GL_STREAMICE |
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EXTERNAL ETA_GL_STREAMICE |
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_RL ETA_GL_STREAMICE_PRIME |
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! EXTERNAL PHI_GL_STREAMICE_PRIME |
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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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IF (STREAMICE_hmask(i,j,bi,bj).eq.1.0) THEN |
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hf = (-1. _d 0) * R(i,j,bi,bj) / |
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& (1. _d 0 - delta) |
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IF (S(i,j,bi,bj) .gt. delta*HF) THEN |
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htmp = S(i,j,bi,bj)-R(i,j,bi,bj) |
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ELSE |
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htmp = S(i,j,bi,bj)/delta |
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ENDIF |
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IF (streamice_smooth_gl_width.gt.0.) THEN |
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RESID=1. _d 0 |
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DO ITER=1,20 |
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IF ((RESID .gt. .005) .and. |
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& ( STREAMICE_hmask(i,j,bi,bj).eq.1.0)) THEN |
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hf = (-1. _d 0) * R(i,j,bi,bj) / |
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& (1. _d 0 - delta) |
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IF (S(i,j,bi,bj) .gt. delta*HF) THEN |
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htmp = S(i,j,bi,bj)-R(i,j,bi,bj) |
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ELSE |
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htmp = S(i,j,bi,bj)/delta |
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ENDIF |
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RESID = ETA_GL_STREAMICE ( |
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& htmp-HF, |
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& delta, |
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& 1. _d 0, |
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& delta*HF, |
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& streamice_smooth_gl_width) |
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RESID = RESID - S(i,j,bi,bj) |
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FP = ETA_GL_STREAMICE_PRIME ( |
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& htmp-HF, |
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& delta, |
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& 1. _d 0, |
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& delta*HF, |
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& streamice_smooth_gl_width) |
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Htmp = HTMP-RESID/FP |
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ENDIF |
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ENDDO |
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ENDIF |
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H(i,j,bi,bj) = Htmp |
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ENDIF |
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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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RETURN |
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END |
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