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Research Notes : ODOT and USGS join forces to ask, how low can you flow?
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2008-06-01
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Alternative Title:ODOT and USGS join forces to ask, how low can you flow?
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Abstract:Likewise in Oregon, hundreds of river reaches are home to endangered or threatened aquatic species. Water handling structures, such as culverts, need to be designed to accommodate aquatic life over most of the range of flows they experience.
Temporary water handling during construction or maintenance activities is also an important application of low-flow projections.
For the purposes of this study ODOT tapped the expertise of the United States Geological Survey (USGS) Water Resources Division. This Division was asked to develop regression equations for predicting flow-duration quantiles for the 5th, 10th, 25th, 50th, and 95th percent exceedances and for 7-day, 10-year (7Q10); and 7- day, 2-year (7Q2) low flows.
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