River Processes Archives - Page 3 of 3 - Free ZIMSEC & Cambridge Revision Notes

River transportation processes

By garikaib|2025-02-12T09:20:18+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes, River Processes|

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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Drainage Basin

By garikaib|2025-02-12T08:57:31+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes, River Processes|

The drainage basin. Image credit BBC. ZIMSEC O Level Geography Notes: Drainage Basin

The term drainage basin refers to an area of land drained by a river and its tributaries (river system).
It includes water found in the water table and surface run-off.
The drainage basin is also known […]

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River Deposition

By garikaib|2025-02-12T09:22:04+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes, River Processes|

River deposition (left bank). Image credit Panoramio. ZIMSEC O Level Geography Notes: River deposition

Deposition occurs when a river no longer as sufficient energy to transport its load.
When its velocity begins to fall and has less energy, a river’s competence (maximum size of material […]

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Surface Water flow and the origin of rivers

By garikaib|2025-02-12T08:58:40+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes, River Processes|

Natural Springs contribute their water to rivers and often form the source of rivers. Image credit paintballfun.com ZIMSEC O Level Geography Notes: Surface Water Flow and the Origin of rivers

Surface water flow and […]

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February 2025

River transportation processes

Drainage Basin

River Deposition

Surface Water flow and the origin of rivers