Runoff

Definition (http://ga.water.usgs.gov/edu/runoff.html)

That part of the precipitation, snow melt, or irrigation water that appears in uncontrolled (not regulated by a dam upstream) surface streams, rivers, drains or sewers. Runoff may be classified according to speed of appearance after rainfall or melting snow as direct runoff or base runoff, and according to source as surface runoff, storm interflow, or groundwater runoff. (USGS)

Preferred Units: N/A

Scope Note:
N/A

This term is used for the following terms: 
Water runoff

Approved Date
06-Nov-2012

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