Barchan dune

Barchan dune

A crescent-shaped dune that forms around a small patch of vegetation, lies perpendicular to the prevailing wind direction, and has a gentle, convex windward slope and a steep, concave leeward slope. Barchan dunes typically form in arid, inland deserts with stable wind direction and relatively little sand.

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Industry/Domain: Earth science
Category: Geology
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barchan dune

Geography; Physical geography

Crescent shaped sand dune that has its long axis transverse to the wind and its crescent tips pointed downwind.

barchan dune

Earth science; Geology

A crescent-shaped dune that forms around a small patch of vegetation, lies perpendicular to the prevailing wind direction, and has a gentle, convex windward slope and a steep, ...

dune

Weather; Atmospheric chemistry

A hill or ridge of sand that is heaped up by the wind is called as dune.

dune

Water bodies; Rivers

In physical geography, a dune is a hill of sand built by aeolian processes. Dunes occur in different forms and sizes, formed by interaction with the wind.

dune

Earth science; Soil science

A low mound, ridge, bank or hill of loose, windblown, granular material (generally sand), either bare or covered with vegetation, capable of movement from place to place but ...