Glossary D
see also:
Deutsch: Düne / Español: Duna / Português: Duna / Français: Dune / Italiano: Duna
A dune is a natural landform consisting of a hill or ridge of sand built up by wind processes. Dunes typically form in coastal, desert, and other sandy environments where loose sand is transported and deposited by wind. The shape, size, and movement of dunes are influenced by wind direction, wind speed, sand availability, and vegetation.