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Geometric Characteristics of Step-Pool Streams
The scouring process which forms step-pool systems in high-gradient gravel bed streams is examined. To quantify a relationship between streambed morphology and hydraulic parameters, a hydraulic model was constructed in a flume. Several sediment gradations were utilized over a range of slopes and flowrates, and the change in the streambed elevation was surveyed after each test run. Degradation of the bed is shown empirically to be related to flowrate, flow depth, and sediment size. The results of this hydraulic model study are used to develop a predictive formula which allows computation of bed-height change due to a flow event. This formula can be used in design of culvert structures and stream restoration in steep-sloped areas.
Geometric Characteristics of Step-Pool Streams
The scouring process which forms step-pool systems in high-gradient gravel bed streams is examined. To quantify a relationship between streambed morphology and hydraulic parameters, a hydraulic model was constructed in a flume. Several sediment gradations were utilized over a range of slopes and flowrates, and the change in the streambed elevation was surveyed after each test run. Degradation of the bed is shown empirically to be related to flowrate, flow depth, and sediment size. The results of this hydraulic model study are used to develop a predictive formula which allows computation of bed-height change due to a flow event. This formula can be used in design of culvert structures and stream restoration in steep-sloped areas.
Geometric Characteristics of Step-Pool Streams
Maxwell, A. R. (author) / Papanicolaou, A. N. (author)
Joint Conference on Water Resource Engineering and Water Resources Planning and Management 2000 ; 2000 ; Minneapolis, Minnesota, United States
Building Partnerships ; 1-10
2000-09-11
Conference paper
Electronic Resource
English
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