Detention Storage for Urban Flood Control

by David P. Smith, Jr., Staff Engr.; Espey Huston & Assoc., Inc., Dalas, Tex.,
Philip B. Bedient, (A.M.ASCE), Asst. Prof.; Dept. of Environmental Sci. & Engrg., Rice Univ., Houston, Tex.,

Serial Information: Journal of the Water Resources Planning and Management Division, 1980, Vol. 106, Issue 2, Pg. 413-425

Document Type: Journal Paper


A method for evaluating effects of detention storage in urban watersheds is presented. Effects of rainfall frequency, land use condition, and storage policy are directly considered as they alter downstream flows. The U.S. Army Corps of Engineers HEC-1 model formed the basic tool for calibration of flood flows on two recent storms on Brays Bayou in Houston, Tex. A storage detention model was used along with empirical unit hydrographs in HEC-1 to predict design flows for both existing land use and projected future developments.

Subject Headings: Water storage | Urban areas | Floods | Land use | Hydrologic models | Municipal water | Watersheds | Rainfall frequency | Texas | United States

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