Definitions for "SLIP FACE"
Keywords:  dune, repose, downwind, steep, lee
The steep downwind face of a dune on which sand is deposited in cross-beds at the angle of repose.
The steep, downwind SLOPE of a DUNE; formed from loose, cascading SAND that generally keeps the SLOPE at the ANGLE OF REPOSE (about 34 degrees).
The steep leeward slope of a dune.
Keywords:  surface
slip surface