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Types of river erosion

2015-03-23 00:25 | Author:gzzjd | Reading:amount |


Types of river erosion

According to the ways of action, river erosion can be divided into: washout (hydraulic washout), abrasion (evorsion) and dissolution.

According to the direction of action, river erosion can be divided into two types: down-cutting erosion and lateral erosion.

Down-cutting erosion is erosion where the water flow is downwardly perpendicular to the ground, and its effect is to deepen riverbed or gully bed.

Lateral erosion is a phenomenon where the river erodes laterally. Its effect is to make the river banks retreat, the valley widen or to form meanders.


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