Question

Name the different types of sand dunes.

Answer 1

1. Barchans - crescent-shaped with two horns.
2. Parabolic dunes - reverse shape of barchans, with vegetation.
3. Seif dunes - resemble barchans but with one horn, formed in unstable wind.
4. Longitudinal dunes - long, low height, formed by constant wind.
5. Transverse dunes - perpendicular to the wind direction, formed by constant wind and abundant sand.