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Overbank sediment deposition patterns for straight and meandering flume channels

Lookup NU author(s): Dr James Bathurst, Professor Eric Valentine


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Experiments with the 10 m Flood Channel Facility at HR Wallingford. UK. indicate a fundamental dependency of the overbank deposition pattern of channel suspended sediments on channel planform. Two experiments (100 and 140 1 s 1) in a 1.95 m wide straight channel showed deposition concentrated in a berm along the channel bank. Little sediment was transferred further onto the floodplain. For the larger flow, the berm formed further from the channel. A single experiment (103 1 s-1) with a 1.31 m wide meandering channel showed deposition across the entire floodplain tongue between successive meanders. Maximum deposition occurred on the downstream side of the meander, just past the bend apex. These generalized flume results complement the real-world but site-specific data of field studies. Copyright © 2002 John Wiley & Sons. Ltd.

Publication metadata

Author(s): Bathurst JC, Benson I, Valentine EM, Nalluri C

Publication type: Article

Publication status: Published

Journal: Earth Surface Processes and Landforms

Year: 2002

Volume: 27

Issue: 6

Pages: 659-665

ISSN (print): 0197-9337

ISSN (electronic): 1096-9837


DOI: 10.1002/esp.346


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