Comparison of Stormwater Lag Times for Low Impact and Traditional Residential Development
作者： Mark J. Hood , John C. Clausen , Glenn S. Warner
DOI: 10.1111/J.1752-1688.2007.00085.X
关键词: Environmental science 、 Lag 、 Stormwater 、 Surface runoff 、 Low-impact development 、 Hydrology 、 Kurtosis 、 Watershed 、 Antecedent moisture 、 Hydrograph
摘要: Abstract: This study compared lag time characteristics of low impact residential development with traditional development. Also were runoff volume, peak discharge, hydrograph kurtosis, coefficient, and threshold. Low (LID) had a significantly greater centroid lag-to-peak, lag, lag-to-peak times than Traditional depth discharge coefficient LID. The in from the was 1,100% threshold LID (6.0 mm) 100% (3.0 mm). shape for watershed negative value kurtosis indicating leptokurtic distribution, while positive platykurtic distribution. small (<25.4 mm) but not large (≥25.4 mm) storms; short duration (<4 h) long (≥4 h) antecedent moisture condition (AMC; <25.4 mm) storms high AMC storms. indicates that resulted lowered depth, volume increased
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