Chapter
Apr 26, 2012
Lag Times for Urban and Developing Watersheds in Kansas
Authors: Hongying Zhao and Bruce M. McEnroeAuthor Affiliations
Publication: Building Partnerships
Abstract
Lag time is an essential input to most flood hydrograph models. Lag times for sixteen urban and developing watersheds in the Kansas City area were determined from gaging data. Relevant physical characteristics of the streams and watersheds were computed from digital spatial data with GIS. Multiple-regression analyses were performed to identify significant explanatory variables and to develop regression equations for lag time. Two regression equations are recommended. Lag time appears to decrease exponentially with increasing road density and impervious area.
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Published In
Building Partnerships
Pages: 1 - 8
Copyright
© 2000 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Hongying Zhao
Graduate Research Assistant, Department of Civil and Environmental Engineering, Learned Hall, University of Kansas, Lawrence, KS 66045
Bruce M. McEnroe
Professor, Department of Civil and Environmental Engineering, Learned Hall University of Kansas, Lawrence, KS 66045
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.