Dunes

400px|thumbnail|The Maspalomas Dunes of [[Gran Canaria, Canary Islands, Spain]]

broad, flat area of desert

thumb thumb|Typical shape thumb|Barchan in the Namib Desert

phenomena of sand that produces sound

Dune made of ice

dune

thumb|right|250px|Nabkha around Prosopis glandulosa|honey mesquite (Prosopis glandulosa) in [[California]] thumb|Nabkha dune with tamarisk trees (Tamarix spec.) in the Algerian Sahara

dune with advanced soil development in the stage of an Ah/C soil (Regosol)