• synonyms

barchan dune

[ bär-kän ]

A large, crescent-shaped dune lying at right angles to the prevailing wind and having a steep, concave leeward side with the crescent tips pointing downwind. Barchan dunes form on flat, hard surfaces where the sand supply is limited. They can reach heights of up to 30 m (98 ft) and widths of 350 m (1,148 ft). See illustration at dune.


Alaskan Bull WormRead more in this article about some frequently asked questions and fun facts related to our definitions.

Nearby words

barce, barcelona, barcelona chair, barch, barchan, barchan dune, barchester towers, barclay, barclay de tolly, barcode, barcoo river
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