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Rivers
Term | Definition |
---|---|
Load | The material that a river transports |
Deposition | When a river depsosits its load |
Transportation | How a river transports material |
Old stage | The last stage of a river where it becomes vey slow and wide |
Mature Stage | The middle stage of a river where it begins to slow down. |
Youthful Stage | The first stage of a river high up, small and fast |
Course | The journey that a river takes |
Tributaries | Smaller streams that branch off from a river |
Confluence | The point where two rivers join |
Hydraulic action | The fast moving water wears away material from the bed and banks of the river |
Abrasion | The load is thrown against the bed and banks of the river and wears them down. |
Attrition | As particles bounce off one another the load becomes smooth and round |
Solution | Rocks such as limestone can be dissolved in water |
Traction | Large pebbles and stones are rolled and dragged along the bed by the force of the water |
Saltation | Small pebbles are bounced along the river bed. |
Suspension | Small particles are held in suspension in the water and the fast movement of the water keeps them from falling |