An Application of EPA EXTRAN Model to a Flood Management Study in South Florida

by Steve Lin, South Florida Water Management, District, Water Use Div, West Palm, Beach, FL, USA,
Richard S. Tomasello, South Florida Water Management, District, Water Use Div, West Palm, Beach, FL, USA,



Document Type: Proceeding Paper

Part of: Engineering Hydrology

Abstract: In performing the flood management studies, somewhat unique concerns in South Florida are the backwater conditions due to tidal or non-tidal tailwater, flow reversals from project canal to low flat lands, and flow diversion by weir, culvert, and pumping facilities. The use of storage in the EPA EXTRAN model minimizes these concerns. This model can also handle several culvert flows at each subbasin and provide hydraulic routing under automatic gate operations of the coastal structures. A case study was performed for the C-18 canal basin, which discharges into the tidewaters of the Loxahatchee River near Jupiter, Palm Beach County. The results are compared with the 1981 U. S. Army Corps of Engineers study for the same basin.

Subject Headings: Model analysis | Floods | Environmental Protection Agency | Tides | Hydrologic models | Case studies | Culverts | Canals | Backwater | North America | Florida | United States

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