River Landforms -Erosion

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  • Created by: Djoumana
  • Created on: 15-11-17 20:00

Waterfalls and Gorges are found in the Upper Course of a River:

  • Waterfalls form where a river flows over an area of hard rock followed by an area of softer rock.
  • The softer rock is eroded by hydraulic action and abrasion more than the hard rock, creating a 'step' in the river.
  • As water goes over the step it erodes more and more of the softer rock.
  • A steep drop is eventually created, which is called a waterfall.
  • The

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