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Flood Control

TermDefinition
flood An overflow of a large amount of water beyond its normal confines, especially over what is normally dry land.
watershed The entire land area where precipitation collects and drains into a common outlet.
floodplain An area of low-lying ground adjacent to a river, formed mainly of river sediments and subject to flooding.
levees Raised embankments or walls built alongside rivers to prevent flooding.
diversion canals Man-made channels designed to divert floodwaters to less vulnerable areas.
dams Barriers that stop or restrict the flow of water, creating reservoirs.
reservoirs Large natural or artificial lakes used for water storage.
overbanking When waters that exceed the capacity of the main river channel spill into the floodplain.
recharge The process by which groundwater stores are replenished or refilled, often through the infiltration of rainwater or other surface waters.
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