Liberal Dictionary English Dictionary
noun
- a crescent-shaped sand dune with the convex side in the direction of the wind.
noun
- a crescent-shaped shifting sand dune, convex on the windward side and steeper and concave on the leeward
Barchan – Wikipedia
Breakups maintain barchan dune fields, somehow | Science News
Barchan Lanforms – Crescentic Dune | Type of Sand Dune
Barchan – Wikipedia
2: Barchan dunes developed by wind action predominately from one
Breakups maintain barchan dune fields, somehow | Science News
Barchan Lanforms – Crescentic Dune | Type of Sand Dune