Features of a River Basin
Source:- Where the river begins
Mouth:- Where the river flows into the sea
Channel:- Where the river flows
Tributary:- A stream flowing into a main river
Confluence:- Where two tributaries meet
Watershed:- The edge of the river basin
Erosion is the wearing away of the rivers banks
Types of Erosion
Hydraulic Action:- water crashes into gaps in the rocks, compressing the air, and forcing particles apart
Abrasion:- flowing water picks up rocks from the bed that smash against the river bank.
Attrition:- rocks carried by the river smash into one another, so they become smaller and rounder.
Corrosion:- Chemicals in the water dissolve and break down material carried in the river.
Transportation is the river carrying debris by a river. The river must have lots of energy to do this.