Continuous Drainage System Modeling of Jones Run

by John N. Paine, Dominion Engineering Resources, United States,
A. Osman Akan, Dominion Engineering Resources, United States,
Mostafa A. Sabbah, Dominion Engineering Resources, United States,
William A. Drewry, Dominion Engineering Resources, United States,



Document Type: Proceeding Paper

Part of: Critical Water Issues and Computer Applications

Abstract:

A generalized package of hydrologic and hydraulic models has been developed for the quantitative analysis of watersheds and drainage networks. The package is called ODWAP (the Old Dominion Watershed Analysis Package), is microcomputer based and has been fully documented. The approach applies a legally historical rainfall record to the system is extended simulation. ODWAP has been applied to Jones Run, a 937-acre (379 ha) hydraulically complicated watershed in Newport News, Virginia. This extended simulation used 21 years of locally recorded rainfall, during which 1,242 storms occurred. The results were compared with several single-event analyses of the same watershed. The Jones Run application of ODWAP demonstrated substantial cost savings attributable entirely to differences in single-event and extended hydrology on a large stormwater management project.

Subject Headings: Computer models | Watersheds | Stormwater management | Hydraulic models | Hydrologic models | Computer analysis | Drainage systems | Virginia | United States

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