C $Header: /u/gcmpack/MITgcm/verification/fizhi-gridalt-hs/code/update_ocean_exports.F,v 1.5 2010/03/16 00:27:00 jmc Exp $
C $Name:  $

#include "FIZHI_OPTIONS.h"
       subroutine UPDATE_OCEAN_EXPORTS (myTime, myIter, myThid)
c----------------------------------------------------------------------
c  Subroutine update_ocean_exports - 'Wrapper' routine to update
c        the fields related to the ocean surface that are needed
c        by fizhi (sst and sea ice extent).
c
c Call:  getsst  (Return the current sst field-read dataset if needed)
c        getsice (Return the current sea ice field-read data if needed)
c-----------------------------------------------------------------------
       implicit none
#include "SIZE.h"
#include "GRID.h"
#include "fizhi_ocean_coms.h"
#include "EEPARAMS.h"
#include "chronos.h"

       integer myIter, myThid
       _RL myTime

       integer i, j, bi, bj, biglobal, bjglobal
       integer im1, im2, jm1, jm2, idim1, idim2, jdim1, jdim2
       integer nSxglobal, nSyglobal
       _RL        sstmin 
       parameter ( sstmin = 273.16 )

       idim1 = 1-OLx
       idim2 = sNx+OLx
       jdim1 = 1-OLy
       jdim2 = sNy+OLy
       im1 = 1
       im2 = sNx
       jm1 = 1
       jm2 = sNy
       nSxglobal = nSx*nPx
       nSyglobal = nSy*nPy

C***********************************************************************

       DO BJ = myByLo(myThid),myByHi(myThid)
       DO BI = myBxLo(myThid),myBxHi(myThid)

       biglobal=bi+(myXGlobalLo-1)/im2
       bjglobal=bj+(myYGlobalLo-1)/jm2

       call GETSST(ksst,idim1,idim2,jdim1,jdim2,im1,im2,jm1,jm2,nSx,
     .  nSy,nSxglobal,nSyglobal,bi,bj,biglobal,bjglobal,nymd,nhms,sst)
       call GETSICE(kice,idim1,idim2,jdim1,jdim2,im1,im2,jm1,jm2,nSx,
     .  nSy,nSxglobal,nSyglobal,bi,bj,biglobal,bjglobal,nymd,nhms,sice)

c Check for Minimum Open-Water SST
c --------------------------------
       do j=jm1,jm2
       do i=im1,im2
       if(sice(i,j,bi,bj).eq.0.0 .and. sst(i,j,bi,bj).lt.sstmin)
     .                                          sst(i,j,bi,bj) = sstmin
       enddo
       enddo

       ENDDO
       ENDDO

       return
       end


subroutine GETSICE(iunit,idim1,idim2,jdim1,jdim2,im1,im2,jm1,jm2, . nSumx,nSumy,nPgx,nPgy,bi,bj,biglobal,bjglobal,nymd,nhms,sice) C************************************************************************ C C!ROUTINE: GETSICE C!DESCRIPTION: GETSICE returns the sea ice depth. C! This routine is adaptable for any frequency C! data upto a daily frequency. C! note: for diurnal data ndmax should be increased. C C!INPUT PARAMETERS: C! iunit Unit number assigned to the sice data file C! idim1 Start dimension in x-direction C! idim2 End dimension in x-direction C! jdim1 Start dimension in y-direction C! jdim2 End dimension in y-direction C! im1 Begin of x-direction span for filling sice C! im2 End of x-direction span for filling sice C! jm1 Begin of y-direction span for filling sice C! jm2 End of y-direction span for filling sice C! nSumx Number of processors in x-direction (local processor) C! nSumy Number of processors in y-direction (local processor) C! nPgx Number of processors in x-direction (global) C! nPgx Number of processors in y-direction (global) C! bi Processor number in x-direction (local to processor) C! bj Processor number in y-direction (local to processor) C! biglobal Processor number in x-direction (global) C! bjglobal Processor number in y-direction (global) C! nymd YYMMDD of the current model timestep C! nhms HHMMSS of the model time C C!OUTPUT PARAMETERS: C! sice(idim1:idim2,jdim1:jdim2,nSumx,nSumy) Sea ice depth in meters C C!ROUTINES CALLED: C C! bcdata Reads the data for a given unit number C! bcheader Reads the header info for a given unit number C! interp_time Returns weights for linear interpolation C C-------------------------------------------------------------------------- implicit none #include "SIZE.h" integer iunit,idim1,idim2,jdim1,jdim2,im1,im2,jm1,jm2,nSumx,nSumy integer nPgx,nPgy,bi,bj,biglobal,bjglobal,nymd,nhms _RL sice(idim1:idim2,jdim1:jdim2,nSumx,nSumy) integer i,j do j = jm1,jm2 do i = im1,im2 sice(i,j,bi,bj) = 0. enddo enddo return end


subroutine GETSST(iunit,idim1,idim2,jdim1,jdim2,im1,im2,jm1,jm2, . nSumx,nSumy,nPgx,nPgy,bi,bj,biglobal,bjglobal,nymd,nhms,sst) C************************************************************************ C C!ROUTINE: GETSST C!DESCRIPTION: GETSST gets the SST data. C! This routine is adaptable for any frequency C! data upto a daily frequency. C! note: for diurnal data ndmax should be increased. C C!INPUT PARAMETERS: C! iunit Unit number assigned to the sice data file C! idim1 Start dimension in x-direction C! idim2 End dimension in x-direction C! jdim1 Start dimension in y-direction C! jdim2 End dimension in y-direction C! im1 Begin of x-direction span for filling sice C! im2 End of x-direction span for filling sice C! jm1 Begin of y-direction span for filling sice C! jm2 End of y-direction span for filling sice C! nSumx Number of processors in x-direction (local processor) C! nSumy Number of processors in y-direction (local processor) C! nPgx Number of processors in x-direction (global) C! nPgy Number of processors in y-direction (global) C! bi Processor number in x-direction (local to processor) C! bj Processor number in y-direction (local to processor) C! biglobal Processor number in x-direction (global) C! bjglobal Processor number in y-direction (global) C! nymd YYMMDD of the current model timestep C! nhms HHMMSS of the model time C C!OUTPUT PARAMETERS: C! sst(idim1:idim2,jdim1:jdim2,nSumx,nSumy) Sea surface temperature (K) C C!ROUTINES CALLED: C C! bcdata Reads the data for a given unit number C! bcheader Reads the header info for a given unit number C! interp_time Returns weights for linear interpolation C C-------------------------------------------------------------------------- implicit none #include "SIZE.h" integer iunit,idim1,idim2,jdim1,jdim2,im1,im2,jm1,jm2,nSumx,nSumy integer nPgx,nPgy,bi,bj,biglobal,bjglobal,nymd,nhms _RL sst(idim1:idim2,jdim1:jdim2,nSumx,nSumy) integer i,j do j = jm1,jm2 do i = im1,im2 sst(i,j,bi,bj) = 280. enddo enddo return end