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geography
Term | Definition |
---|---|
Source | The point where a river begins |
Course | The route taken by a river as it flows into the sea |
Tributary | A small river or stream that joins up with a larger one |
Confluence | The point at which a tributary joins the rivers |
Mouth | The point where a river enters the sea |
Estuary | The part of a river mouth that is tidal |
River basin | the area of land that is drained by a river and its tributaries |
Watershed | The high ground that separates one river basin form another |
Hydraulic action | The force of the moving water breaks off material from the banks and beds of the river |