A barchan or barkhan dune (from Kazakh бархан [bɑɾˈχɑn]) is a crescent -shaped dune. Russian naturalist Alexander von Middendorf introduced the term in 1881, [1] working from the …

Barchan, crescent-shaped sand dune produced by the action of wind predominately from one direction. One of the commonest types of dunes, it occurs in sandy deserts all over the world.

Barchan refers to crescentic sand dunes characterized by a slipface and two horns that point downwind, typically found in areas with a dominant wind direction and limited sand supply.

Oct 1, 2024 · Discover nine mind-blowing facts about Barchan dunes, from their unique shape and formation to their ecological significance and global distribution.

For the village, see Barchan, Iran. For the military operation, see Barkhane. A barchan or barkhan dune (from Kazakh бархан [bɑɾˈχɑn]) is a crescent -shaped dune.

Barchan definition: a crescent-shaped sand dune with the convex side in the direction of the wind.. See examples of BARCHAN used in a sentence.

Aug 8, 2024 · Barchans are crescent-shape dunes ubiquitous on Earth and other celestial bodies, which are organized in barchan fields where they interact with each other.