Features formed in Lower Course

Flood Plain

Flood Plain is wide, nearly flat or gently undulating plains alluviums in the lower courses of rivers. They are made up of sediments deposited on the lowland areas (boundary) of the river valley. They are usually very fertile agricultural land. Flood plain occurs when a river overflows its banks.

Ox-Bow Lakes or Cut-off or Mort Lake:

This occurs at the lower course of a river where the action is mainly depositional. Ox-bow lakes are crescent-shaped lakes formed by running water flowing through the narrow neck of a meander.

Braided River:

This is a network of interconnected shallow channels in a river course. It can be wide or shallow.


This is mainly found at the lower course of a river. It is a fan-shaped alluvial area, usually at the mouth of a river when it deposits the load it is carrying.

These loads or materials deposited gradually builds up, thus forming a low-lying swampy plain called Delta. Delta is grouped or classified into three types namely:

a. Arcuate

b. Bird’s foot

c. Estuarine.

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