The Storage Matching Technique of Detention Basin Design

by Thomas H. Price, Donohue & Associates Inc, Itasca, IL, USA,



Document Type: Proceeding Paper

Part of: Engineering Hydrology

Abstract:

In recent years, use of continuous rainfall - runoff simulation with historic rainfall data has become much more popular for the design of detention basins and reservoirs. While it may be common for detention facilities to be designed to preserve the peak flow of a few historic events, it is the distribution of floods that should be preserved. Unlike using design rainfall events of critical duration to develop design hydrographs, continuous simulation of historic data does not result in hydrographs with the same frequency as the rainfall (or runoff) that produced them. To avoid the complexities of continuous simulation, the Storage Matching Technique of detention basin design has been developed.

Subject Headings: Rainfall-runoff relationships | Hydraulic design | Detention basins | Water storage | Waste storage | Runoff | Hydrographs

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