Geography • Physical GeographyMedium
Which of the following describes a 'Barkhan' dune?
A. Longitudinal ridge-like sand dunes parallel to the wind direction
B. Crescent-shaped sand dunes with horns pointing downwind✓ Correct Answer
C. Star-shaped sand dunes formed in multi-directional wind regimes
D. Transverse sand dunes perpendicular to the wind direction
💡 Solution & Explanation
Barkhan dunes are crescent-shaped sand dunes formed in areas with unidirectional winds, characterized by their horns pointing downwind. Longitudinal dunes run parallel to the prevailing wind direction, whereas transverse dunes form perpendicular to it. Geomorphology and desert landforms are staple topics in physical geography syllabi.
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