Sand Dunes and Ripples

By |2017-01-17T11:22:00+02:00June 13th, 2015|Hot Deserts, Notes, O Level Geography, Ordinary Level Notes|

Seif dunes. Image credit 7-themes.com

Seif dunes. Image credit 7-themes.com 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 […]

    Quick NetOne, Econet, And Telecel Airtime Recharge