January 2023

River transportation processes

By |2022-09-15T12:44:07+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes, River Processes|

River transportation processes. Image credit BBC. River transportation processes. Image credit BBC. ZIMSEC O Level Geography Notes: River Transportation Processes.

  • Any energy left after a river has overcome friction is used to transport sediment.
  • This energy varies directly with a river’s discharge, velocity and turbulence
  • That is if they increase the amount of […]
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Factors affecting erosion, transportation and deposition

By |2022-09-15T12:44:05+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes, River Processes|

Laminar Flow. Image credit gjhikes.com Laminar Flow. Image credit gjhikes.com ZIMSEC O Level Geography Notes

  • The following factors affect the river’s energy and ability to erode, transport and deposit its load.
  • Type of flow, gradient of channel, volume/discharge, cross-sectional channel shape, channel roughness.

Type of flow Laminar and Turbulent [...] </p srcset=

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