drainage basin(redirected from Total catchment management)
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(Physical Geography) another name for catchment area
the area drained by a river and all its tributaries. Also called catchment area , drain′age ar`ea. Compare watershed (def. 1).
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|Noun||1.||drainage basin - the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet; "flood control in the Missouri basin"|
detention basin - a storage site (such as a small reservoir) that delays the flow of water downstream
retention basin - a storage site similar to a detention basin but the water in storage is permanently obstructed from flowing downstream