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Military Hydrology. Report 12. Case Study Evaluation of Alternative Dam-Breach Flood Wave Methods. Volume 2. Teton Case Study
The Teton Dam on the Teton River in Idaho failed on 5 June 1976. Eleven lives were lost and damages reportedly were about $400 million. The newly-constructed reservoir being filled for the first time during the spring of 1976, contained 251,700 acre-feet of water and was almost full when the 305-foot high earthfill dam failed. Approximately 173,000 acre-feet of waterdrained through the breached dam within 143 minutes, resulting i na peak discharge of 2.3 million cfs. A total of about 240,000 acre-feet drained from the reservoir within an 8-hour period. In the 100 miles between Teton Dam and the downstream American Falls Reservoir, the peak discharge and flood volume attenuated to 53,000 cfs and 160,000 acre-feet, respectively. This report provides a comparative evaluation of several leading state-of-the-art models for dam breach flood forecasting. Nine alternative mathematical models were applied using data sets from four case studies. Results obtained were compared between models and with available measured data. Model accuracy, versatility, and ease-of-use were evaluated, and complexities and weaknesses were identified. The sensitivity of model results to various input data parameters was also investigated. The documented quantitative results provides an empirical data base for analyzing the performance of the models under various conditions.
Military Hydrology. Report 12. Case Study Evaluation of Alternative Dam-Breach Flood Wave Methods. Volume 2. Teton Case Study
The Teton Dam on the Teton River in Idaho failed on 5 June 1976. Eleven lives were lost and damages reportedly were about $400 million. The newly-constructed reservoir being filled for the first time during the spring of 1976, contained 251,700 acre-feet of water and was almost full when the 305-foot high earthfill dam failed. Approximately 173,000 acre-feet of waterdrained through the breached dam within 143 minutes, resulting i na peak discharge of 2.3 million cfs. A total of about 240,000 acre-feet drained from the reservoir within an 8-hour period. In the 100 miles between Teton Dam and the downstream American Falls Reservoir, the peak discharge and flood volume attenuated to 53,000 cfs and 160,000 acre-feet, respectively. This report provides a comparative evaluation of several leading state-of-the-art models for dam breach flood forecasting. Nine alternative mathematical models were applied using data sets from four case studies. Results obtained were compared between models and with available measured data. Model accuracy, versatility, and ease-of-use were evaluated, and complexities and weaknesses were identified. The sensitivity of model results to various input data parameters was also investigated. The documented quantitative results provides an empirical data base for analyzing the performance of the models under various conditions.
Military Hydrology. Report 12. Case Study Evaluation of Alternative Dam-Breach Flood Wave Methods. Volume 2. Teton Case Study
R. A. Wurbs (Autor:in)
1986
222 pages
Report
Keine Angabe
Englisch
Hydrology & Limnology , Civil Engineering , Logistics Military Facilities & Supplies , Flooding , Hydrology , Dams , Mathematical prediction , Accuracy , Case studies , Data bases , Floods , Forecasting , Input , Military applications , Models , Parameters , Sensitivity , State of the art , Tables(Data) , Idaho
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