Topic
Aeolian processes
2 questions tagged Aeolian processes — spanning every one of the seven Ws.
how
How do deserts build sand dunes?
Wind moves sand grains by bouncing, rolling, and short hops called saltation. When wind slows or meets an obstacle, the grains pile up into dunes that can migrate over time.
GeologyAeolian processes
how
How do dune fields migrate across a desert?
Wind moves sand grains up the gentle windward side and down the steeper leeward slip face. Repeating this process makes dunes slowly shift position.
Earth ScienceAeolian Processes