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C $Header: /u/gcmpack/MITgcm/pkg/thsice/thsice_main.F,v 1.4 2005/01/31 19:37:06 jmc Exp $ |
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C $Name: $ |
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|
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#include "THSICE_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: THSICE_MAIN |
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C !INTERFACE: |
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SUBROUTINE THSICE_MAIN( |
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I myTime, myIter, myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | S/R THSICE_MAIN |
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C | o Therm_SeaIce main routine. |
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C | step forward Thermodynamic_SeaIce variables and modify |
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C | ocean surface forcing accordingly. |
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C *==========================================================* |
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|
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C !USES: |
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IMPLICIT NONE |
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|
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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 "SURFACE.h" |
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#include "DYNVARS.h" |
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#include "FFIELDS.h" |
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#include "THSICE_PARAMS.h" |
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#include "THSICE_VARS.h" |
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#ifdef ALLOW_BULK_FORCE |
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#include "BULKF.h" |
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#endif |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C === Routine arguments === |
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C myIter :: iteration counter for this thread |
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C myTime :: time counter for this thread |
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C myThid :: thread number for this instance of the routine. |
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_RL myTime |
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INTEGER myIter |
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INTEGER myThid |
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CEOP |
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|
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#ifdef ALLOW_THSICE |
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C !LOCAL VARIABLES: |
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C === Local variables === |
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INTEGER i,j |
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INTEGER bi,bj |
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INTEGER iMin, iMax |
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INTEGER jMin, jMax |
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_RL prcAtm(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL evpAtm(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL flxSW (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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|
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_RL tauFac |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
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IF ( stressReduction.GT. 0. _d 0 ) THEN |
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C- needs new Ice Fraction in halo region to apply wind-stress reduction |
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iMin = 1-Olx |
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iMax = sNx+Olx-1 |
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jMin = 1-Oly |
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jMax = sNy+Oly-1 |
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#ifdef ATMOSPHERIC_LOADING |
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ELSEIF ( useRealFreshWaterFlux ) THEN |
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C- needs sea-ice loading in part of the halo regions for grad.Phi0surf |
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C to be valid at the boundaries ( d/dx 1:sNx+1 ; d/dy 1:sNy+1 ) |
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iMin = 0 |
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iMax = sNx+1 |
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jMin = 0 |
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jMax = sNy+1 |
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#endif /* ATMOSPHERIC_LOADING */ |
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ELSE |
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iMin = 1 |
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iMax = sNx |
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jMin = 1 |
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jMax = sNy |
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ENDIF |
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|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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|
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C-- Mixed layer thickness: take the 1rst layer |
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#ifdef NONLIN_FRSURF |
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IF ( staggerTimeStep .AND. nonlinFreeSurf.GT.0 ) THEN |
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IF ( select_rStar.GT.0 ) THEN |
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DO j = jMin, jMax |
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DO i = iMin, iMax |
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hOceMxL(i,j,bi,bj) = drF(1)*h0FacC(i,j,1,bi,bj) |
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& *rStarFacC(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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ELSE |
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DO j = jMin, jMax |
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DO i = iMin, iMax |
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IF ( ksurfC(i,j,bi,bj).EQ.1 ) THEN |
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hOceMxL(i,j,bi,bj) = drF(1)*hFac_surfC(i,j,bi,bj) |
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ELSE |
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hOceMxL(i,j,bi,bj) = drF(1)*hfacC(i,j,1,bi,bj) |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDIF |
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ELSE |
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#else /* ndef NONLIN_FRSURF */ |
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IF (.TRUE.) THEN |
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#endif /* NONLIN_FRSURF */ |
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DO j = jMin, jMax |
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DO i = iMin, iMax |
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hOceMxL(i,j,bi,bj) = drF(1)*hfacC(i,j,1,bi,bj) |
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ENDDO |
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ENDDO |
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ENDIF |
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|
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DO j = jMin, jMax |
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DO i = iMin, iMax |
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tOceMxL(i,j,bi,bj) = theta(i,j,1,bi,bj) |
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sOceMxL(i,j,bi,bj) = salt (i,j,1,bi,bj) |
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v2ocMxL(i,j,bi,bj) = |
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& ( uvel(i,j,1,bi,bj)*uvel(i,j,1,bi,bj) |
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& + uvel(i+1,j,1,bi,bj)*uvel(i+1,j,1,bi,bj) |
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& + vvel(i,j+1,1,bi,bj)*vvel(i,j+1,1,bi,bj) |
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& + vvel(i,j,1,bi,bj)*vvel(i,j,1,bi,bj) |
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& )*0.5 _d 0 |
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prcAtm(i,j) = 0. |
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evpAtm(i,j) = 0. |
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flxSW (i,j) = 0. |
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snowPrc(i,j,bi,bj) = 0. _d 0 |
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siceAlb(i,j,bi,bj) = 0. _d 0 |
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#ifdef ALLOW_BULK_FORCE |
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prcAtm(i,j) = ( rain(i,j,bi,bj)+runoff(i,j,bi,bj) )*rhofw |
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flxSW (i,j) = solar(i,j,bi,bj) |
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IF ( iceMask(i,j,bi,bj).GT.0. _d 0 |
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& .AND. Tair(i,j,bi,bj).LE.Tf0kel ) THEN |
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snowPrc(i,j,bi,bj) = rain(i,j,bi,bj)*rhofw |
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ENDIF |
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#endif |
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ENDDO |
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ENDDO |
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|
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CALL THSICE_STEP_FWD( |
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I bi, bj, iMin, iMax, jMin, jMax, |
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I prcAtm, |
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U evpAtm, flxSW, |
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I myTime, myIter, myThid ) |
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|
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CALL THSICE_AVE( |
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I evpAtm, flxSW, |
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I bi,bj, myTime, myIter, myThid ) |
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|
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c ENDDO |
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c ENDDO |
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|
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c IF ( .FALSE. ) THEN |
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IF ( stressReduction.GT. 0. _d 0 ) THEN |
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DO j = jMin, jMax |
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DO i = iMin+1,iMax |
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tauFac = stressReduction |
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& *(iceMask(i-1,j,bi,bj)+iceMask(i,j,bi,bj))*0.5 _d 0 |
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fu(i,j,bi,bj) = (1. _d 0 - tauFac)*fu(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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DO j = jMin+1, jMax |
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DO i = iMin, iMax |
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tauFac = stressReduction |
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& *(iceMask(i,j-1,bi,bj)+iceMask(i,j,bi,bj))*0.5 _d 0 |
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fv(i,j,bi,bj) = (1. _d 0 - tauFac)*fv(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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ENDIF |
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|
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C-- end bi,bj loop |
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ENDDO |
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ENDDO |
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|
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#ifdef ATMOSPHERIC_LOADING |
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c IF (useRealFreshWaterFlux) _EXCH_XY_RS(sIceLoad, myThid) |
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#endif |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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#endif /*ALLOW_THSICE*/ |
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|
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RETURN |
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END |
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