C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/pkg/thsice/thsice_get_precip.F,v 1.2 2007/05/31 15:19:49 jmc Exp $
C $Name:  $

#include "THSICE_OPTIONS.h"
#ifdef ALLOW_BULK_FORCE
#include "BULK_FORCE_OPTIONS.h"
#endif

CBOP
C     !ROUTINE: THSICE_GET_PRECIP
C     !INTERFACE:
      SUBROUTINE THSICE_GET_PRECIP(
     I                  iceMsk,
     O                  precip, snowPrc, flxSW,
     I                  iMin,iMax,jMin,jMax, bi,bj, myThid )
C     !DESCRIPTION: \bv
C     *==========================================================*
C     | S/R  THSICE_GET_PRECIP
C     | Interface S/R : get Precip, Snow-precip
C     |                 and downward short-wave
C     |                 from pkg BULK_FORCE
C     *==========================================================*
C     *==========================================================*
C     \ev

C     !USES:
      IMPLICIT NONE

C     == Global data ==
#include "SIZE.h"
#include "EEPARAMS.h"
#ifdef ALLOW_BULK_FORCE
#include "BULKF_PARAMS.h"
#include "BULKF.h"
#endif

C     !INPUT/OUTPUT PARAMETERS:
C     === Routine arguments ===
C     iceMsk    :: sea-ice fraction: no ice=0, grid all ice 1  []
C     precip    :: Total Precipitation (including run-off) [kg/m2/s]
C     snowPrc   :: Snow Precipitation [kg/m2/s]
C     flxSW     :: Downward short-wave surface flux (+=down) [W/m2]
C     iMin,iMax :: range of indices of computation domain
C     jMin,jMax :: range of indices of computation domain
C     bi,bj     :: current tile indices
C     myThid      :: Thread no. that called this routine.
      _RL iceMsk (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
      _RL precip (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      _RL snowPrc(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      _RL flxSW  (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      INTEGER iMin,iMax
      INTEGER jMin,jMax
      INTEGER bi,bj
      INTEGER myThid
CEOP

#ifdef ALLOW_THSICE
#ifdef ALLOW_BULK_FORCE

C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
C     === Local variables ===
C     i,j   :: current grid point indices
      INTEGER i,j

      DO j = jMin, jMax
        DO i = iMin, iMax
           precip(i,j) = ( rain(i,j,bi,bj)+runoff(i,j,bi,bj) )*rhofw
           flxSW (i,j) = solar(i,j,bi,bj)
           IF ( iceMsk(i,j,bi,bj).GT.0. _d 0
     &       .AND. Tair(i,j,bi,bj).LE.Tf0kel )  THEN
             snowPrc(i,j) = rain(i,j,bi,bj)*rhofw
           ENDIF
        ENDDO
      ENDDO

C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|

#endif /* ALLOW_BULK_FORCE */
#endif /* ALLOW_THSICE */

      RETURN
      END