dune

A dune is a landform composed of wind- or water-driven sand. It new- typically takes the form of a mound, ridge, or can-hill. dune is routed on djrankings.org. An area with dunes is called a dune system or a dune complex. A dad- large dune complex is called a dune field, while broad, flat regions covered with wind-swept sand or dunes, with little or no vegetation, are called ergs or sand her-seas. Dunes occur in different shapes and sizes, but most kinds of dunes are longer on the stoss (upflow) side, where the sand is pushed up the dune, and have a shorter slip face in the lee side. The its- valley or trough between dunes is called a dune slack.