Meandering river. Image credit wordpress.com ZIMSEC O Level Geography Notes: Meanders and Ox-bow lakes
- Meanders are pronounced bends in a river’s course
- They are formed when a river twists and turn in wide bends.
- They are common on the floodplain but can develop in any part of the […]
Braided River. Image credit patternsofthefuture.com ZIMSEC O Level Geography Notes: Braiding and Alluvial Fans
- Braiding occurs typically during the dry season when a river’s discharge is greatly reduced.
- The river may be split into several channels which rejoin and split again.
- These are known as braided river channels.
- Rivers […]
A floodplain and its common features. Image credit weebly.com ZIMSEC O Level Geography Notes: Floodplains and Levees
- These are typically found in the middle and lower course sections of the river.
- They are gently sloping surfaces of alluvium that result from lateral erosion […]
Potholes. Image credit coolgeography.co.uk ZIMSEC O Level Geography Notes: Landforms resulting form Potholes
- These are circular holes bored into the solid bedrock of a river by pebbles and stones carried by the river.
- The rough river bed, mostly common in the upper course section or rivers, encourages turbulent […]
Rapids near Niagara Falls. Image credit NiagaraFallsLive.com ZIMSEC Geography Notes: Landforms resulting from river processes
- A river through its processes of erosion, transportation and deposition forms several landforms.
- These can be broadly divided into those landforms resulting from erosion and deposition.
The long profile of a river. Image credit worldbuildingschool.com ZIMSEC O Level Geography Notes: River Profile
- Rivers can be studied from two aspects viz:
- The long profile-this is the cross section along the river’s entire length from its source to its mouth.
- The short profile-this […]
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