MasteryExams
Geography • Physical GeographyMedium

What is the term for a crescent-shaped sand dune with horns pointing downwind, formed in areas with sparse vegetation and unidirectional winds?

A. Parabolic dune
B. Seif dune
C. Barchan✓ Correct Answer
D. Transverse dune

💡 Solution & Explanation

A barchan is a classic crescent-shaped sand dune whose tips or horns point in the downwind direction, typically developing in desert landscapes characterized by limited sand availability and constant unidirectional winds. Parabolic dunes have horns pointing upwind and usually form where vegetation anchors parts of the sand ridge.

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