February 2025

Weathering

By |2025-02-12T09:10:34+02:00February 12th, 2025|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

A weathered boulder. Image credit earthlearningidea. A weathered boulder. Image credit earthlearningidea. ZIMSEC O Level Geography Notes: Weathering

  • Earth movements (plate tectonics) create and lead to the development of the earth’s major landforms for example block mountains, volcanic cones, lava plateaus and rift valleys.
  • As soon as they are formed denudation processes […]
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Factors affecting erosion, transportation and deposition

By |2025-02-12T09:28:32+02:00February 12th, 2025|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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