Earth and the Environment

What determines how much water reaches a catchment area?

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The amount of water reaching the river, reservoir, or lake from its catchment area depends on the size of the area, the amount of precipitation, and the loss through evaporation (determined by temperature, winds, and other factors and varying with the season) and through absorption by the earth or by vegetation; absorption is greater when the soil or rock is permeable than when it is impermeable.

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Get more facts and information about catchment area . Or, view the full encyclopedia entry from The Columbia Encyclopedia, Sixth Edition.

Similar questions: Does precipitation affect a catchment area? Does the size of an area affect how much water travels from the catchment area to a body of water? [ Hide these questions ]

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