Barchan Dune
A barchan dune is an arc-shaped sand ridge, comprising well sorted sand. A barchan dune possesses two "horns" that face downwind, with the downwind sloping slip face at the angle of repose of sand, approximately 32 degrees.
A barchan dune is an arc-shaped sand ridge, comprising well sorted sand. A barchan dune possesses two "horns" that face downwind, with the downwind sloping slip face at the angle of repose of sand, approximately 32 degrees.
