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A platform for research: civil engineering, architecture and urbanism
Estimating Probability of Extreme Events
The Corps of Engineers is currently evaluating its portfolio of dams with regard to risk and related maintenance. A draft Engineer Technical Letter "Risk Analysis and Assessment for Dam Safety" is under review. This ETL describes processes that will be used for screening projects for planning of corrective actions. One of the contributing factors that must be uniformly evaluated across all projects is the development of inflow frequency curves (peak flow and volume frequency) that define the frequency curve in the mid-range events (1 in 500 to 1 in 3000) and then extend out to the probable maximum flood level. Currently, no extension method is uniformly accepted. multiple methods exist to facilitate extension. The current effort being undertaken by the Hydrologic Engineering Center is to present the variety of methods and provide general guidance for curve extension that can be applied. A consistent method of curve extension allows for a uniform comparison of dams. This paper will provide an overview of the current status of the extension methodology.
Estimating Probability of Extreme Events
The Corps of Engineers is currently evaluating its portfolio of dams with regard to risk and related maintenance. A draft Engineer Technical Letter "Risk Analysis and Assessment for Dam Safety" is under review. This ETL describes processes that will be used for screening projects for planning of corrective actions. One of the contributing factors that must be uniformly evaluated across all projects is the development of inflow frequency curves (peak flow and volume frequency) that define the frequency curve in the mid-range events (1 in 500 to 1 in 3000) and then extend out to the probable maximum flood level. Currently, no extension method is uniformly accepted. multiple methods exist to facilitate extension. The current effort being undertaken by the Hydrologic Engineering Center is to present the variety of methods and provide general guidance for curve extension that can be applied. A consistent method of curve extension allows for a uniform comparison of dams. This paper will provide an overview of the current status of the extension methodology.
Estimating Probability of Extreme Events
Harris, Jeff (author) / Brunner, Gary (author) / Gee, D. Michael (author)
World Environmental and Water Resources Congress 2009 ; 2009 ; Kansas City, Missouri, United States
2009-05-12
Conference paper
Electronic Resource
English
Environmental issues , Hydrology , Estimation , Ecosystems , Wetlands , Drainage , Water treatment , Water management , Water supply , Floods , Rivers and streams , Dam safety , Stormwater management , Hydrodynamics , Irrigation , Wastewater management , Sediment , Water distribution systems , Groundwater management , Water resources , Water rights , Land use , Drinking water , Watersheds , Hydraulic structures , Water quality
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