Flow structures in a two-stage channel with a mobile bed

Flow structures in a two-stage channel with a mobile bed

A large scale model hydraulic study of inbank and overbank river flow, using a regular sinuous river channel with a mobile bed, was carried out in the UK Flood Channel Facility at Hydraulics Research, Wallingford. The sediment chosen for this investigation had a wide range of particle sizes present,...

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Bibliographic Details
Published in:Journal of hydraulic research Vol. 42; no. 2; pp. 145 - 162
Main Authors: Wormleaton, P. R., Sellin, R.H.J., Bryant, T., Loveless, J.H., Hey, R.D., Catmur, S.E.
Format: Journal Article
Language:English
Published: Delft Taylor & Francis Group 01-01-2004
International Association for Hydraulic Research
Subjects:
channel morphology
Earth sciences
Earth, ocean, space
Exact sciences and technology
floodplain flow
Freshwater
Hydrology. Hydrogeology
meandering streams
primary and secondary velocities
River channel flow
British Isles
British Isles, England, Oxford, Wallingford
rivers
floods
models
canals
sampling
velocity
flow structures
sand
hydraulics
channels
plains
particles
meanders
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Summary:A large scale model hydraulic study of inbank and overbank river flow, using a regular sinuous river channel with a mobile bed, was carried out in the UK Flood Channel Facility at Hydraulics Research, Wallingford. The sediment chosen for this investigation had a wide range of particle sizes present, covering the fine sand to coarse sand range. Measurements were made of three-dimensional velocity distributions and bed profiles at cross-sections around the meander. These measurements were used to determine the structure of the flows around the meander and the interaction between main channel and floodplain flows. These flow structures were related to changes in the bed profiles and to bed material sorting.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0022-1686
1814-2079
DOI:10.1080/00221686.2004.9728378