Quiz* 1. In a water budget for a basin, what terms constitute the input? Runoff Precipitation and Overland flow Overland flow and Runoff Precipitation 2. In a water budget for a basin, what terms constitute the output? Evapotranspiration Evapotranspiration, Baseflow, Runoff Evapotranspiration, Subsea outflow, Runoff Evapotranspiration, Runoff 3. In a water budget for streams, what terms constitute the input? Baseflow Overland flow and Baseflow Runoff and Baseflow Overland flow and Evapotranspiration 4. In a water budget for groundwater, what equation equals the input? Input = Precipitation - Baseflow Input = Precipitation - Runoff Input = Overland flow - Precipitation Input = Precipitation - Overland flow 5. According to the parameters below, what is the recharge delivered to the groundwater system beneath the watertable in inches per year? Watershed Parameters: A ground-water basin in a coastal area has a total area of 200 mi2. The land area is 195 mi2 and the area of the streams is 5 mi2. A water budget for the basin has the following long-term average annual values: precipitation, 35 in/y; evapotranspiration, 23 in/y; overland flow, 3 in/y; baseflow, 6 in/y; runoff, 9 in/y; subsea outflow, 3 in/yr. There is no streamflow or ground-water flow into the basin. 9 in/yr 12 in/yr 18 in/yr 35 in/yr  * Footnote: With editorial changes by J. F. Hermance. Home  |  Basic Concepts  |  Water Budget  |  Quiz  |  Facts  |  Sources

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Environmental Geophysics/Hydrology
Brown University
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