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Energy Losses in Steep Tributary Streams at Flows Near The Threshold of Bedload Entrainment

by Matthew D. O'Connor, Univ of Washington, Seattle, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

The flow patterns in mountain tributary streams that depends on the channel morphology, cobbles, boulders and debris that protrude along the channel and bank height cause energy losses in the stream flow. To analyze the losses, estimation by partitioning the shear stress and calculating theoretical threshold of bedload entrainment were performed. The theoretical results were correlated with the velocity based method which agreed well upon comparison.

Subject Headings: Flow patterns | Stream channels | Shear stress | River bank stabilization | Channels (waterway) | Streamflow | Flow measurement

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