      SUBROUTINE ana_sss (ng, tile, model)
!
!! svn $Id$
!!======================================================================
!! Copyright (c) 2002-2020 The ROMS/TOMS Group                         !
!!   Licensed under a MIT/X style license                              !
!!   See License_ROMS.txt                                              !
!=======================================================================
!                                                                      !
!  This subroutine sets sea surface salinity SST (PSU) which is        !
!  used for surface water flux correction.                             !
!                                                                      !
!=======================================================================
!
      USE mod_param
      USE mod_forces
      USE mod_ncparam
!
! Imported variable declarations.
!
      integer, intent(in) :: ng, tile, model

#include "tile.h"
!
      CALL ana_sss_tile (ng, tile, model,                               &
     &                   LBi, UBi, LBj, UBj,                            &
     &                   IminS, ImaxS, JminS, JmaxS,                    &
     &                   FORCES(ng) % sss)
!
! Set analytical header file name used.
!
#ifdef DISTRIBUTE
      IF (Lanafile) THEN
#else
      IF (Lanafile.and.(tile.eq.0)) THEN
#endif
        ANANAME(29)=__FILE__
      END IF

      RETURN
      END SUBROUTINE ana_sss
!
!***********************************************************************
      SUBROUTINE ana_sss_tile (ng, tile, model,                         &
     &                         LBi, UBi, LBj, UBj,                      &
     &                         IminS, ImaxS, JminS, JmaxS,              &
     &                         sss)
!***********************************************************************
!
      USE mod_param
      USE mod_ncparam
      USE mod_scalars
!
      USE exchange_2d_mod, ONLY : exchange_r2d_tile
#ifdef DISTRIBUTE
      USE mp_exchange_mod, ONLY : mp_exchange2d
#endif
!
!  Imported variable declarations.
!
      integer, intent(in) :: ng, tile, model
      integer, intent(in) :: LBi, UBi, LBj, UBj
      integer, intent(in) :: IminS, ImaxS, JminS, JmaxS
!
#ifdef ASSUMED_SHAPE
      real(r8), intent(out) :: sss(LBi:,LBj:)
#else
      real(r8), intent(out) :: sss(LBi:UBi,LBj:UBj)
#endif
!
!  Local variable declarations.
!
      integer :: i, j

#include "set_bounds.h"
!
!-----------------------------------------------------------------------
!  Set sea surface salinity (PSU).
!-----------------------------------------------------------------------
!
#if defined MY_APPLICATION
      DO j=JstrT,JendT
        DO i=IstrT,IendT
          sss(i,j)=???
        END DO
      END DO
#else
      ana_sst.h: no values provided for sss.
#endif
!
!  Exchange boundary data.
!
      IF (EWperiodic(ng).or.NSperiodic(ng)) THEN
        CALL exchange_r2d_tile (ng, tile,                               &
     &                          LBi, UBi, LBj, UBj,                     &
     &                          sss)
      END IF

#ifdef DISTRIBUTE
      CALL mp_exchange2d (ng, tile, model, 1,                           &
     &                    LBi, UBi, LBj, UBj,                           &
     &                    NghostPoints,                                 &
     &                    EWperiodic(ng), NSperiodic(ng),               &
     &                    sss)
#endif

      RETURN
      END SUBROUTINE ana_sss_tile
