Desert Processes (Chapter 19) Flashcards
1
Q
What causes deserts to form?
A
Factors include high-pressure zones, rain shadows, cold ocean currents, and distance from moisture sources.
2
Q
Define eolian processes.
A
Erosion, transport, and deposition by wind, including saltation, suspension, and traction.
3
Q
What is a sand dune?
A
A hill or ridge formed by the accumulation of windblown sand, migrating with prevailing winds.
4
Q
What happened to the Aral Sea?
A
Extensive water diversion for agriculture caused its drastic shrinkage, leaving behind dry lake beds and stranded ships.
