Evaluation of Streambank Erosion Control Demonstration Projectsby Lyle W. Zevenbergen, Water Engineering & tech. Inc, Fort Collins, United States,
William J. Spitz, Water Engineering & tech. Inc, Fort Collins, United States,
Chester C. Watson, Water Engineering & tech. Inc, Fort Collins, United States,
David S. Biedenharn, Water Engineering & tech. Inc, Fort Collins, United States,
Abstract: The Streambank Erosion Control Evaluation and Demonstration (SECED) Act of 1974 (Section 32 of Public Law 93-251) was enacted by Congress to obtain information on costs and performance of several streambank erosion control methods. The majority of program funds were used for demonstration projects which were completed by 1981, and over 67 miles of stream bank were protected in the Yazoo Basin, Mississippi. Legislation enacted in 1984 established the Demonstration Erosion Control Project (DEC), a program designed to demonstrate erosion and flood control in six Yazoo Basin watersheds. As part of DEC, detailed field investigations were conducted at the Yazoo Basin SECED project sites to assess the performance of each structure. Geomorphic analyses were conducted to assess the stream response to the bank stabilization measures. Hydrologic and hydraulic analyses were conducted to determine how these factors contribute to the success or failure of these structures. Study results are discussed.
Subject Headings: Project management | Erosion | River bank stabilization | Basins | Site investigation | Field tests | Watersheds | Failure analysis | Hydrology | Mississippi
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