C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/pkg/atm_compon_interf/atm_import_fields.F,v 1.6 2016/01/06 00:42:51 jmc Exp $
C $Name:  $

#include "ATM_CPL_OPTIONS.h"

CBOP
C     !ROUTINE: ATM_IMPORT_FIELDS
C     !INTERFACE:
      SUBROUTINE ATM_IMPORT_FIELDS( myIter, myThid )

C     !DESCRIPTION: \bv
C     *==========================================================*
C     | SUBROUTINE ATM_IMPORT_FIELDS
C     | o Routine for importing ocean surface coupling fields
C     |   from coupling layer.
C     *==========================================================*
C     | This version talks to the MIT Coupler. It uses the MIT
C     | Coupler "checkpoint1" library calls.
C     *==========================================================*
C     \ev

C     !USES:
      IMPLICIT NONE

C     == Global variables ==
#include "SIZE.h"
#include "EEPARAMS.h"
#include "CPL_PARAMS.h"
#include "ATMCPL.h"
#include "ATMIDS.h"

C     !INPUT/OUTPUT PARAMETERS:
C     == Routine arguments ==
C     myIter  :: Current timestep number.
C     myThid  :: my Thread Id number
      INTEGER myIter
      INTEGER myThid
CEOP

#ifdef COMPONENT_MODULE
C     !LOCAL VARIABLES:
C     == Local variables ==

C     Fetch data from coupling layer. Note MIT Coupler checkpoint1
C     does not allow asynchronous extraction of data, so ordering
C     has to be consistent with ordering coupling layer.

      _BARRIER
      _BEGIN_MASTER( myThid )

C-    Receive ocean mixed-layer thickness from coupling layer.
      CALL COMPRECV_R8TILES( atmMxlDName,
     I                       sNx, OLx, sNy, OLy, 1, nSx, nSy,
     O                       ocMxlD )

C-    Receive ocean surface temperatures from coupling layer.
      CALL COMPRECV_R8TILES( atmSSTName,
     I                       sNx, OLx, sNy, OLy, 1, nSx, nSy,
     O                       SSTocn )

C-    Receive ocean surface salinity from coupling layer.
      CALL COMPRECV_R8TILES( atmSSSName,
     I                       sNx, OLx, sNy, OLy, 1, nSx, nSy,
     O                       SSSocn )

C-    Receive ocean surface velocity square from coupling layer.
      CALL COMPRECV_R8TILES( atmSSVsqName,
     I                       sNx, OLx, sNy, OLy, 1, nSx, nSy,
     O                       vSqocn )

#ifdef ALLOW_AIM
C-    Receive air-sea flux of CO2
      IF ( atm_cplExch_DIC ) THEN
        CALL COMPRECV_R8TILES( atmCO2FluxName,
     I                         sNx, OLx, sNy, OLy, 1, nSx, nSy,
     O                         flxCO2ocn )
      ENDIF
#endif /* ALLOW_AIM */
#ifdef ALLOW_THSICE
      IF ( atm_cplExch2W_sIce ) THEN
C-    Receive seaice fraction:
        CALL COMPRECV_R8TILES( atmSIceFracName,
     I                         sNx, OLx, sNy, OLy, 1, nSx, nSy,
     O                         sIceFrac_cpl )
C-    Receive seaice thickness:
        CALL COMPRECV_R8TILES( atmSIceThickName,
     I                         sNx, OLx, sNy, OLy, 1, nSx, nSy,
     O                         sIceThick_cpl )
C-    Receive snow thickness:
        CALL COMPRECV_R8TILES( atmSIceSnowName,
     I                         sNx, OLx, sNy, OLy, 1, nSx, nSy,
     O                         sIceSnowH_cpl )
C-    Receive seaice enthalpy (layer 1):
        CALL COMPRECV_R8TILES( atmSIceQ1Name,
     I                         sNx, OLx, sNy, OLy, 1, nSx, nSy,
     O                         sIceQ1_cpl )
C-    Receive seaice enthalpy (layer 2):
        CALL COMPRECV_R8TILES( atmSIceQ2Name,
     I                         sNx, OLx, sNy, OLy, 1, nSx, nSy,
     O                         sIceQ2_cpl )
      ENDIF
#endif /* ALLOW_THSICE */

      _END_MASTER( myThid )
      _BARRIER

#endif /* COMPONENT_MODULE */

      RETURN
      END