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Peak-Flow Characteristics of Virginia Streams
U. S. Department Of The Interior (Author)
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Createspace Independent Publishing Platform
· Paperback
Peak-Flow Characteristics of Virginia Streams - U. S. Department of the Interior
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Origin: U.S.A.
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Synopsis "Peak-Flow Characteristics of Virginia Streams"
Peak-flow annual exceedance probabilities, also called probability-percent chance flow estimates, and regional regression equations are provided describing the peak-flow characteristics of Virginia streams. Statistical methods are used to evaluate peak-flow data. Analysis of Virginia peak-flow data collected from 1895 through 2007 is summarized. Methods are provided for estimating unregulated peak flow of gaged and ungaged streams. Station peak-flow characteristics identified by fitting the logarithms of annual peak flows to a Log- Pearson Type III frequency distribution yield annual exceed-ance probabilities of 0.5, 0.4292, 0.2, 0.1, 0.04, 0.02, 0.01, 0.005, and 0.002 for 476 streamgaging stations. Stream basin characteristics computed using spatial data and a geographic information system are used as explanatory variables in regional regression model equations for six physiographic regions to estimate regional annual exceedance probabilities at gaged and ungaged sites.
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The book is written in English.
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