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A fully distributed implementation of mean annual streamflow regional regression equations

Journal of the American Water Resources Association

By:
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DOI: 10.1111/j.1752-1688.2008.00258.x

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Abstract

Estimates of mean annual streamflow are needed for a variety of hydrologic assessments. Away from gage locations, regional regression equations that are a function of upstream area, precipitation, and temperature are commonly used. Geographic information systems technology has facilitated their use for projects, but traditional approaches using the polygon overlay operator have been too inefficient for national scale applications. As an alternative, the Elevation Derivatives for National Applications (EDNA) database was used as a framework for a fully distributed implementation of mean annual streamflow regional regression equations. The raster "flow accumulation" operator was used to efficiently achieve spatially continuous parameterization of the equations for every 30 m grid cell of the conterminous United States (U.S.). Results were confirmed by comparing with measured flows at stations of the Hydro-Climatic Data Network, and their applications value demonstrated in the development of a national geospatial hydropower assessment. Interactive tools at the EDNA website make possible the fast and efficient query of mean annual streamflow for any location in the conterminous U.S., providing a valuable complement to other national initiatives (StreamStats and the National Hydrography Dataset Plus). ?? 2008 American Water Resources Association.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
A fully distributed implementation of mean annual streamflow regional regression equations
Series title:
Journal of the American Water Resources Association
DOI:
10.1111/j.1752-1688.2008.00258.x
Volume
44
Issue:
6
Year Published:
2008
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of the American Water Resources Association
First page:
1537
Last page:
1547
Number of Pages:
11