Rainfall-Runoff Modeling in a Small Urban Watershed

by R. Yücel Tokuz, Univ of New Haven, West Haven, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


Knights Branch watershed is located in Dallas, Texas, and it covers an area of about 5 mi2 (13 km2). Due to absence of streamflow data for this watershed the flood flows had to be generated by runoff models. Two computer programs were available for this purpose. These programs were originally developed for rural watersheds. The presence of large and long storm sewers in the drainage area caused a major problem when backwater curve was calculated. Special techniques were used to simulate the runoff under such conditions.

Subject Headings: Watersheds | Rainfall-runoff relationships | Urban areas | Municipal water | Runoff | Storm sewers | Sewers | Computer models | United States | Texas

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