CSIR (Council of Scientific & Industrial Research) Earth Sciences Physical Geography-Geomorphology Study Material (Page 51 of 90)

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Aeolian Landforms: Types of Deserts

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Erosional or depositional features made by wind action are called aeolian landforms. They are also observed on Mars.

Aeolian Features: 13 Erosional and 3 Depositional Landforms

Types of Deserts

Origin of deserts occurs by many different mechanisms leading to various desert types.

  • Subtropical Deserts: These are dry areas with very less precipitation, responsible for bringing dry, subtropical air into mid-latitudes for example, Sahara in Northern Africa, Kalahari in Southern Africa, and Great Australian Desert.
  • Polar Deserts: Cold polar-regions with prevailing cold dry winds are deserts because moisture available remains frozen all year round. For example, No…

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Aeolian Landforms: Methods of Wind Erosion, Wind Transportation

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Methods of Wind Erosion

Wind erosion may be carried out by:

  • Deflation: This involves lifting and blowing away of loose materials from the ground. Such unconsolidated sands and pebbles may be carried in the air or rolled along ground based on grain size.
  • Abrasion: It is sand blas…

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