C $Header: /u/gcmpack/MITgcm/pkg/kpp/kpp_transport_t.F,v 1.20 2014/05/06 15:50:14 jmc Exp $ C $Name: $ #include "KPP_OPTIONS.h" #ifdef ALLOW_GMREDI #include "GMREDI_OPTIONS.h" #endif SUBROUTINE KPP_TRANSPORT_T ( I iMin,iMax,jMin,jMax,bi,bj,k,km1, O df, I myTime, myIter, myThid ) C *==========================================================* C | o SUBROUTINE KPP_TRANSPORT_T C | Add non local KPP transport term (ghat) to diffusive C | temperature flux. C *==========================================================* C | The nonlocal transport term is nonzero only for scalars C | in unstable (convective) forcing conditions. C | Note: [surfaceForcingT + Qsw * (1-KPPfrac)] C | is the total heat flux penetrating the mixed layer C | from the surface in deg C / s referenced to the C | top layer. C | Note: KPPdiffKzT(-,k) is defined at the top of grid cell C | k while KPPghat(i,j,k,bi,bj) is defined at the C | bottom of grid cell k. C | For K=1, KPPdiffKzT(-,k) = 0 which insures no flux C | through the surface. C *==========================================================* IMPLICIT NONE C == GLobal variables == #include "SIZE.h" #include "EEPARAMS.h" #include "PARAMS.h" #include "GRID.h" #include "FFIELDS.h" #include "KPP.h" #include "KPP_PARAMS.h" #ifdef ALLOW_GMREDI #include "GMREDI.h" #endif C == Routine arguments == C iMin,iMax,jMin, :: Range of points for which calculation C jMax,bi,bj,k,km1 results will be set. C df :: Diffusive flux component work array. C myTime :: Current time in simulation C myIter :: Current iteration number in simulation C myThid :: My Thread Id. number INTEGER iMin,iMax,jMin,jMax,bi,bj,k,km1 _RL df (1-OLx:sNx+OLx,1-OLy:sNy+OLy) _RL myTime INTEGER myIter INTEGER myThid #if defined(ALLOW_KPP) defined(KPP_GHAT) C == Local variables == C i, j :: Loop counters INTEGER i, j _RL recip_Cp #ifdef ALLOW_GMREDI _RL tmpFac #endif C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| recip_Cp = 1. _d 0 / HeatCapacity_Cp #ifdef ALLOW_GMREDI IF ( useGMRedi .AND. KPP_ghatUseTotalDiffus ) THEN tmpFac = 1. _d 0 ELSE tmpFac = 0. _d 0 ENDIF DO j=jMin,jMax DO i=iMin,iMax df(i,j) = - _rA(i,j,bi,bj) & *( KPPdiffKzT(i,j,k,bi,bj) + tmpFac*Kwz(i,j,k,bi,bj) ) & *KPPghat(i,j,km1,bi,bj) & *( surfaceForcingT(i,j,bi,bj) & +surfaceForcingTice(i,j,bi,bj) & -Qsw(i,j,bi,bj)*recip_Cp*recip_rhoConst & *(1.-KPPfrac(i,j,bi,bj)) & ) ENDDO ENDDO #else /* ALLOW_GMREDI */ DO j=jMin,jMax DO i=iMin,iMax df(i,j) = - _rA(i,j,bi,bj) & *KPPdiffKzT(i,j,k,bi,bj) & *KPPghat(i,j,km1,bi,bj) & *( surfaceForcingT(i,j,bi,bj) & +surfaceForcingTice(i,j,bi,bj) & -Qsw(i,j,bi,bj)*recip_Cp*recip_rhoConst & *(1.-KPPfrac(i,j,bi,bj)) & ) ENDDO ENDDO #endif /* ALLOW_GMREDI */ #endif /* ALLOW_KPP and KPP_GHAT */ RETURN END