Sand Dunes and Ripples

By |2022-09-15T12:44:15+02:00January 24th, 2023|Hot Deserts, Notes, O Level Geography, Ordinary Level Notes|

Seif dunes. Image credit Seif dunes. Image credit ZIMSEC O Level Geography Notes: Sand Dunes

  • As soon as wind velocity drops wind deposition occurs.
  • The heaviest material is deposited first while the finer material and dust is carried further before being dropped.
  • As a result loess (which consists of fine particles) is sometimes […]