Alluvial fan/Bajada/Bahada. Image credit MediaWiki ZIMSEC O Level Geography Notes: Wadis and Bahadas
- As already pointed out freak storms occur in deserts characterised by excessive precipitation over short periods of time.
- Due to infiltration excess flow and even saturation excess flow there is significant run off in the […]
Messa (left) and Butte (right). Image credit channingchurch.com ZIMSEC O Level Geography Notes: Mesa and Butte
- Mesas and buttes are flat topped uplands with steep sides and often capped by hard resistant rocks.
- Mesas and buttes are desert features created primarily by river erosion […]