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dgoldberg |
1.1 |
C $Header: /u/gcmpack/MITgcm/pkg/shelfice/shelfice_thermodynamics.F,v 1.44 2015/02/15 15:46:24 jmc Exp $ |
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C $Name: $ |
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#include "SHELFICE_OPTIONS.h" |
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#ifdef ALLOW_AUTODIFF |
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# include "AUTODIFF_OPTIONS.h" |
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#endif |
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#ifdef ALLOW_CTRL |
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# include "CTRL_OPTIONS.h" |
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#endif |
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CBOP |
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C !ROUTINE: SHELFICE_THERMODYNAMICS |
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C !INTERFACE: |
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SUBROUTINE SHELFICE_REMESHING( |
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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 SHELFICE_THERMODYNAMICS |
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C | o shelf-ice main routine. |
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C | compute temperature and (virtual) salt flux at the |
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C | shelf-ice ocean interface |
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C | |
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C | stresses at the ice/water interface are computed in separate |
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C | routines that are called from mom_fluxform/mom_vecinv |
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C *=============================================================* |
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C \ev |
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C !USES: |
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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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#include "FFIELDS.h" |
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#include "SHELFICE.h" |
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#include "SHELFICE_COST.h" |
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#ifdef ALLOW_AUTODIFF |
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# include "CTRL_SIZE.h" |
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# include "ctrl.h" |
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# include "ctrl_dummy.h" |
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#endif /* ALLOW_AUTODIFF */ |
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#ifdef ALLOW_AUTODIFF_TAMC |
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# ifdef SHI_ALLOW_GAMMAFRICT |
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# include "tamc.h" |
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# include "tamc_keys.h" |
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# endif /* SHI_ALLOW_GAMMAFRICT */ |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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C === Functions ==== |
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LOGICAL DIFFERENT_MULTIPLE |
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EXTERNAL DIFFERENT_MULTIPLE |
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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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_RL hFacCtmp |
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_RL hFacMnSz |
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_RS tmpfld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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C === Local variables === |
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C I,J,K,Kp1,bi,bj :: loop counters |
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C tLoc, sLoc, pLoc :: local in-situ temperature, salinity, pressure |
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C theta/saltFreeze :: temperature and salinity of water at the |
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C ice-ocean interface (at the freezing point) |
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C freshWaterFlux :: local variable for fresh water melt flux due |
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C to melting in kg/m^2/s |
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C (negative density x melt rate) |
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C convertFW2SaltLoc:: local copy of convertFW2Salt |
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C cFac :: 1 for conservative form, 0, otherwise |
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C rFac :: realFreshWaterFlux factor |
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C dFac :: 0 for diffusive heat flux (Holland and Jenkins, 1999, |
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C eq21) |
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C 1 for advective and diffusive heat flux (eq22, 26, 31) |
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C fwflxFac :: only effective for dFac=1, 1 if we expect a melting |
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C fresh water flux, 0 otherwise |
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C auxiliary variables and abbreviations: |
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C a0, a1, a2, b, c0 |
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C eps1, eps2, eps3, eps3a, eps4, eps5, eps6, eps7, eps8 |
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C aqe, bqe, cqe, discrim, recip_aqe |
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C drKp1, recip_drLoc |
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INTEGER I,J,K,Kp1 |
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INTEGER bi,bj |
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_RL tLoc(1:sNx,1:sNy) |
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_RL sLoc(1:sNx,1:sNy) |
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_RL pLoc(1:sNx,1:sNy) |
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_RL uLoc(1:sNx,1:sNy) |
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_RL vLoc(1:sNx,1:sNy) |
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_RL u_topdr(1:sNx+1,1:sNy+1,nSx,nSy) |
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_RL v_topdr(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL thetaFreeze, saltFreeze, recip_Cp |
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_RL freshWaterFlux, convertFW2SaltLoc |
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_RL a0, a1, a2, b, c0 |
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_RL eps1, eps2, eps3, eps3a, eps4, eps5, eps6, eps7, eps8 |
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_RL cFac, rFac, dFac, fwflxFac |
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_RL aqe, bqe, cqe, discrim, recip_aqe |
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_RL drKp1, recip_drLoc |
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_RL recip_latentHeat |
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_RL tmpFac |
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_RL shiPr, shiSc, shiLo, recip_shiKarman, shiTwoThirds |
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_RL gammaTmoleT, gammaTmoleS, gammaTurb, gammaTurbConst |
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_RL ustar, ustarSq, etastar |
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CEOP |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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IF ( SHELFICERemeshFrequency .EQ. myTime) THEN |
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print *, 'JJ WOZ HERE',R_shelfIce |
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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+1 |
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DO I = 1, sNx+1 |
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IF (etaN(I,J,bi,bj) .GT. 4.4 ) THEN |
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K = MAX(1,kTopC(I,J,bi,bj)) |
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c salt(I,J,bi,bj,K-1)=salt(I,J,bi,bj,K) |
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c theta(I,J,bi,bj,K-1)=theta(I,J,bi,bj,K) |
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c uVel(I,J,bi,bj,K-1)=uVel(I,J,bi,bj,K) |
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c uVel(I+1,J,bi,bj,K-1)=uVel(I+1,J,bi,bj,K) |
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c vVel(I,J,bi,bj,K-1)=uVel(I,J,bi,bj,K) |
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c vVel(I,J+1,bi,bj,K-1)=uVel(I,J+1,bi,bj,K) |
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etaN(I,J,bi,bj) = etaN(I,J,bi,bj) - 10.0 |
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R_shelfIce(I,J,bi,bj) = R_shelfIce(I,J,bi,bj) + 10.0 |
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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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DO K=1, Nr |
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hFacMnSz=max( hFacMin, min(hFacMinDr*recip_drF(k),1. _d 0) ) |
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DO J=1-OLy,sNy+OLy |
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DO I=1-OLx,sNx+OLx |
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c o Non-dimensional distance between grid boundary and model surface |
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hFacCtmp = (rF(k)-R_shelfIce(I,J,bi,bj))*recip_drF(K) |
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C o Reduce the previous fraction : substract the outside part. |
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hFacCtmp = hFacC(I,J,K,bi,bj) - max( hFacCtmp, 0. _d 0) |
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c o set to zero if empty Column : |
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hFacCtmp = max( hFacCtmp, 0. _d 0) |
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C o Impose minimum fraction and/or size (dimensional) |
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IF (hFacCtmp.LT.hFacMnSz) THEN |
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IF (hFacCtmp.LT.hFacMnSz*0.5) THEN |
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hFacC(I,J,K,bi,bj)=0. |
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ELSE |
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hFacC(I,J,K,bi,bj)=hFacMnSz |
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ENDIF |
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ELSE |
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hFacC(I,J,K,bi,bj)=hFacCtmp |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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c |
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cC- Re-calculate Reference surface position, taking into account hFacC |
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cC initialize Total column fluid thickness and surface k index |
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cC Note: if no fluid (continent) ==> kSurf = Nr+1 |
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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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tmpfld(i,j,bi,bj) = 0. |
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kSurfC(i,j,bi,bj) = Nr+1 |
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c maskH(i,j,bi,bj) = 0. |
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Ro_surf(i,j,bi,bj) = R_low(i,j,bi,bj) |
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DO k=Nr,1,-1 |
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Ro_surf(i,j,bi,bj)=Ro_surf(i,j,bi,bj) |
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& +drF(k)*hFacC(i,j,k,bi,bj) |
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IF (hFacC(i,j,k,bi,bj).NE.0.) THEN |
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kSurfC(i,j,bi,bj) = k |
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c maskH(i,j,bi,bj) = 1. |
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tmpfld(i,j,bi,bj) = tmpfld(i,j,bi,bj) + 1. |
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ENDIF |
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ENDDO |
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kLowC(i,j,bi,bj) = 0 |
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DO k= 1, Nr |
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IF (hFacC(i,j,k,bi,bj).NE.0) THEN |
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kLowC(i,j,bi,bj) = k |
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ENDIF |
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ENDDO |
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maskInC(i,j,bi,bj)= 0. |
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C Weird IF loop here JJ |
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IF ( kSurfC(i,j,bi,bj).LE.Nr ) THEN |
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maskInC(i,j,bi,bj)= 1. |
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ENDIF |
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ENDDO |
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ENDDO |
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C- end bi,bj loops. |
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ENDDO |
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ENDDO |
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c |
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c IF ( printDomain ) THEN |
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cc CALL PLOT_FIELD_XYRS( tmpfld, |
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c & 'Model Depths K Index' , -1, myThid ) |
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c CALL PLOT_FIELD_XYRS(R_low, |
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c & 'Model R_low (ini_masks_etc)', -1, myThid ) |
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c CALL PLOT_FIELD_XYRS(Ro_surf, |
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c & 'Model Ro_surf (ini_masks_etc)', -1, myThid ) |
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c ENDIF |
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c |
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cC-- Calculate quantities derived from XY depth map |
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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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C Total fluid column thickness (r_unit) : |
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c Rcolumn(i,j,bi,bj)= Ro_surf(i,j,bi,bj) - R_low(i,j,bi,bj) |
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tmpfld(i,j,bi,bj) = Ro_surf(i,j,bi,bj) - R_low(i,j,bi,bj) |
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C Inverse of fluid column thickness (1/r_unit) |
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IF ( tmpfld(i,j,bi,bj) .LE. 0. ) THEN |
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recip_Rcol(i,j,bi,bj) = 0. |
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ELSE |
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recip_Rcol(i,j,bi,bj) = 1. _d 0 / tmpfld(i,j,bi,bj) |
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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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c |
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cC-- hFacW and hFacS (at U and V points) |
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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, Nr |
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DO j=1-OLy,sNy+OLy |
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hFacW(1-OLx,j,k,bi,bj)= 0. |
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DO i=2-OLx,sNx+OLx |
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hFacW(i,j,k,bi,bj)= |
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& MIN(hFacC(i,j,k,bi,bj),hFacC(i-1,j,k,bi,bj)) |
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ENDDO |
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ENDDO |
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DO i=1-OLx,sNx+OLx |
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hFacS(i,1-OLy,k,bi,bj)= 0. |
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ENDDO |
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DO j=2-OLy,sNy+oly |
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DO i=1-OLx,sNx+OLx |
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hFacS(i,j,k,bi,bj)= |
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& MIN(hFacC(i,j,k,bi,bj),hFacC(i,j-1,k,bi,bj)) |
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ENDDO |
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ENDDO |
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ENDDO |
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c |
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cC rLow & reference rSurf at Western & Southern edges (U and V points) |
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i = 1-OLx |
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DO j=1-OLy,sNy+OLy |
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rLowW (i,j,bi,bj) = 0. |
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rSurfW(i,j,bi,bj) = 0. |
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ENDDO |
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j = 1-OLy |
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DO i=1-OLx,sNx+OLx |
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rLowS (i,j,bi,bj) = 0. |
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rSurfS(i,j,bi,bj) = 0. |
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ENDDO |
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DO j=1-OLy,sNy+OLy |
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DO i=2-OLx,sNx+OLx |
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rLowW(i,j,bi,bj) = |
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& MAX( R_low(i-1,j,bi,bj), R_low(i,j,bi,bj) ) |
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rSurfW(i,j,bi,bj) = |
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& MIN( Ro_surf(i-1,j,bi,bj), Ro_surf(i,j,bi,bj) ) |
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rSurfW(i,j,bi,bj) = |
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& MAX( rSurfW(i,j,bi,bj), rLowW(i,j,bi,bj) ) |
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ENDDO |
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ENDDO |
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DO j=2-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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rLowS(i,j,bi,bj) = |
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& MAX( R_low(i,j-1,bi,bj), R_low(i,j,bi,bj) ) |
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rSurfS(i,j,bi,bj) = |
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& MIN( Ro_surf(i,j-1,bi,bj), Ro_surf(i,j,bi,bj) ) |
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rSurfS(i,j,bi,bj) = |
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& MAX( rSurfS(i,j,bi,bj), rLowS(i,j,bi,bj) ) |
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ENDDO |
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ENDDO |
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C- end bi,bj loops. |
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ENDDO |
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ENDDO |
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CALL EXCH_UV_XYZ_RS(hFacW,hFacS,.FALSE.,myThid) |
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CALL EXCH_UV_XY_RS( rSurfW, rSurfS, .FALSE., myThid ) |
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CALL EXCH_UV_XY_RS( rLowW, rLowS, .FALSE., myThid ) |
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c |
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cC-- Addtional closing of Western and Southern grid-cell edges: for example, |
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cC a) might add some "thin walls" in specific location |
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cC-- b) close non-periodic N & S boundaries of lat-lon grid at the N/S poles. |
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CALL ADD_WALLS2MASKS( myThid ) |
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cC-- Calculate surface k index for interface W & S (U & V points) |
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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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kSurfW(i,j,bi,bj) = Nr+1 |
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kSurfS(i,j,bi,bj) = Nr+1 |
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DO k=Nr,1,-1 |
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IF (hFacW(i,j,k,bi,bj).NE.0.) kSurfW(i,j,bi,bj) = k |
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IF (hFacS(i,j,k,bi,bj).NE.0.) kSurfS(i,j,bi,bj) = k |
| 306 |
|
|
ENDDO |
| 307 |
|
|
maskInW(i,j,bi,bj)= 0. |
| 308 |
|
|
cC Wierd if statements JJ |
| 309 |
|
|
c |
| 310 |
|
|
IF ( kSurfW(i,j,bi,bj).LE.Nr ) THEN |
| 311 |
|
|
maskInW(i,j,bi,bj)= 1. |
| 312 |
|
|
maskInS(i,j,bi,bj)= 0. |
| 313 |
|
|
ENDIF |
| 314 |
|
|
IF ( kSurfS(i,j,bi,bj).LE.Nr ) THEN |
| 315 |
|
|
maskInS(i,j,bi,bj)= 1. |
| 316 |
|
|
ENDIF |
| 317 |
|
|
ENDDO |
| 318 |
|
|
ENDDO |
| 319 |
|
|
ENDDO |
| 320 |
|
|
ENDDO |
| 321 |
|
|
|
| 322 |
|
|
c ELSE |
| 323 |
|
|
#ifndef DISABLE_SIGMA_CODE |
| 324 |
|
|
C--- Sigma and Hybrid-Sigma set-up: |
| 325 |
|
|
CALL INI_SIGMA_HFAC( myThid ) |
| 326 |
|
|
c#endif /* DISABLE_SIGMA_CODE */ |
| 327 |
|
|
cc ENDIF |
| 328 |
|
|
cC---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 329 |
|
|
|
| 330 |
|
|
C-- Write to disk: Total Column Thickness & hFac(C,W,S): |
| 331 |
|
|
C This I/O is now done in write_grid.F |
| 332 |
|
|
c CALL WRITE_FLD_XY_RS( 'Depth',' ',tmpfld,0,myThid) |
| 333 |
|
|
c CALL WRITE_FLD_XYZ_RS( 'hFacC',' ',hFacC,0,myThid) |
| 334 |
|
|
c CALL WRITE_FLD_XYZ_RS( 'hFacW',' ',hFacW,0,myThid) |
| 335 |
|
|
c CALL WRITE_FLD_XYZ_RS( 'hFacS',' ',hFacS,0,myThid) |
| 336 |
|
|
c |
| 337 |
|
|
IF ( printDomain ) THEN |
| 338 |
|
|
CALL PLOT_FIELD_XYZRS( hFacC, 'hFacC' , Nr, 0, myThid ) |
| 339 |
|
|
CALL PLOT_FIELD_XYZRS( hFacW, 'hFacW' , Nr, 0, myThid ) |
| 340 |
|
|
CALL PLOT_FIELD_XYZRS( hFacS, 'hFacS' , Nr, 0, myThid ) |
| 341 |
|
|
ENDIF |
| 342 |
|
|
C-- Masks and reciprocals of hFac[CWS] |
| 343 |
|
|
DO bj = myByLo(myThid), myByHi(myThid) |
| 344 |
|
|
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 345 |
|
|
DO k=1,Nr |
| 346 |
|
|
DO j=1-OLy,sNy+OLy |
| 347 |
|
|
DO i=1-OLx,sNx+OLx |
| 348 |
|
|
IF (hFacC(i,j,k,bi,bj) .NE. 0. ) THEN |
| 349 |
|
|
c recip_hFacC(i,j,k,bi,bj) = 1. _d 0 / hFacC(i,j,k,bi,bj) |
| 350 |
|
|
c maskC(i,j,k,bi,bj) = 1. |
| 351 |
|
|
ELSE |
| 352 |
|
|
c recip_hFacC(i,j,k,bi,bj) = 0. |
| 353 |
|
|
c maskC(i,j,k,bi,bj) = 0. |
| 354 |
|
|
ENDIF |
| 355 |
|
|
IF (hFacW(i,j,k,bi,bj) .NE. 0. ) THEN |
| 356 |
|
|
c recip_hFacW(i,j,k,bi,bj) = 1. _d 0 / hFacW(i,j,k,bi,bj) |
| 357 |
|
|
c maskW(i,j,k,bi,bj) = 1. |
| 358 |
|
|
ELSE |
| 359 |
|
|
c recip_hFacW(i,j,k,bi,bj) = 0. |
| 360 |
|
|
c maskW(i,j,k,bi,bj) = 0. |
| 361 |
|
|
ENDIF |
| 362 |
|
|
IF (hFacS(i,j,k,bi,bj) .NE. 0. ) THEN |
| 363 |
|
|
c recip_hFacS(i,j,k,bi,bj) = 1. _d 0 / hFacS(i,j,k,bi,bj) |
| 364 |
|
|
c maskS(i,j,k,bi,bj) = 1. |
| 365 |
|
|
ELSE |
| 366 |
|
|
c recip_hFacS(i,j,k,bi,bj) = 0. |
| 367 |
|
|
c maskS(i,j,k,bi,bj) = 0. |
| 368 |
|
|
ENDIF |
| 369 |
|
|
ENDDO |
| 370 |
|
|
ENDDO |
| 371 |
|
|
ENDDO |
| 372 |
|
|
|
| 373 |
|
|
c#ifdef NONLIN_FRSURF |
| 374 |
|
|
C-- Save initial geometrical hFac factor into h0Fac (fixed in time): |
| 375 |
|
|
C Note: In case 1 pkg modifies hFac (from packages_init_fixed, called |
| 376 |
|
|
C later in sequence of calls) this pkg would need also to update h0Fac. |
| 377 |
|
|
c DO k=1,Nr |
| 378 |
|
|
c DO j=1-OLy,sNy+OLy |
| 379 |
|
|
c DO i=1-OLx,sNx+OLx |
| 380 |
|
|
c h0FacC(i,j,k,bi,bj) = _hFacC(i,j,k,bi,bj) |
| 381 |
|
|
c h0FacW(i,j,k,bi,bj) = _hFacW(i,j,k,bi,bj) |
| 382 |
|
|
c h0FacS(i,j,k,bi,bj) = _hFacS(i,j,k,bi,bj) |
| 383 |
|
|
c ENDDO |
| 384 |
|
|
c ENDDO |
| 385 |
|
|
c ENDDO |
| 386 |
|
|
#endif /* NONLIN_FRSURF */ |
| 387 |
|
|
C- end bi,bj loops. |
| 388 |
|
|
ENDDO |
| 389 |
|
|
ENDDO |
| 390 |
|
|
|
| 391 |
|
|
|
| 392 |
|
|
ENDIF |
| 393 |
|
|
RETURN |
| 394 |
|
|
END |
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