What is a drainage basin ?
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Define tributary
- a river or stream flowing into a larger river or lake
What type of system are drainage basins?
-Drainage basins are open systems ( and a sub-system of the GWC )
Define drainage basin
-Drainage basins/river catchments are the areas of land that surround a river and provide it with water
Define source
-The source is the start of a river
Define watershed
-Watersheds divide different drainage basins acting as boundaries. e.g. The Amazon river is incrediby big and the Andes is a watershed to it
Define confluence
-the point at which a tributary and larger river meet
Define mouth
-where the river ends ; a lake or sea
