Question

Which of the following characteristics is associated with deserts?

• A. Alluvial fan
• B. Moraines
• C. Tarn pools
• D. Barchans

Answer 1

Answer:

D. Barchans

• Barchans are crescent-shaped sand dunes found in deserts, characteristic of the wind-blown sandy landscape.

• A crescent-shaped dune is known as a barchan or barkhan dune.

• Barchans face the wind, appear convex, and are primarily formed by the wind from one direction.

• They are arc-shaped, significantly asymmetrical in cross-section, with a gradual slope facing the wind sand ridge, and made out of well-sorted sand.