*  COMMON containing GFDL model mask arrays
* Linux Port *kob* 1/97 - added ifdef check for byte vs. integer
	COMMON /XGFDL_MASKS/
     .				umask,		! velocity, wind mask
     .				tmask,		! temperature, salinity mask
     .				kmt,		! bottom topography on t grid
     .				kmu		! bottom topography on u grid
#ifdef NEED_BYTE
	 BYTE      umask(im,jm), tmask(im,jm), kmt(im,jm), kmu(im,jm)
#else
	 INTEGER*1 umask(im,jm), tmask(im,jm), kmt(im,jm), kmu(im,jm)
#endif
