Overbank flow depth prediction in alluvial compound channels

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dc.contributor.author Karamisheva, R. D.
dc.contributor.author Lyness, J. F.
dc.contributor.author Myers, W. R. C.
dc.contributor.author Cassells, J. B. C.
dc.contributor.author O'Sullivan, J. J.
dc.date.accessioned 2013-01-16T17:35:02Z
dc.date.available 2013-01-16T17:35:02Z
dc.date.copyright 2006, ICE Publishing Ltd en
dc.date.issued 2006-09-01
dc.identifier.citation Proceedings of the ICE - Water Management en
dc.identifier.issn 1741-7589
dc.identifier.issn 1751-7729
dc.identifier.uri http://hdl.handle.net/10197/4052
dc.description.abstract Algorithms based on simple one-dimensional stage–discharge models for compound channels have been developed and tested for overbank flow data from the UK Flood Channel Facility and the University of Ulster channel with straight and meandering planforms. The proposed divided resistance approach takes into account the grain resistance, the bed form resistance and the roughness characteristics of the floodplain but it was found to give unsatisfactory prediction of the flow depth for compound channels with rough floodplains. A simple algorithm for stage–discharge prediction based on a lumped resistance approach was then proposed. It requires calibration of the overbank Manning n for a relative depth zero and a coefficient of proportionality, and this is achievable if measurements of the flow depth and velocity are taken for at least three overbank flow discharges. The application of the lumped approach to various flume and field data showed good agreement between the measured and predicted flow depths. en
dc.language.iso en en
dc.publisher Institution of Civil Engineers en
dc.rights Permission is granted by ICE Publishing to print one copy for personal use. Any other use of these PDF files is subject to reprint fees. en
dc.subject Floods & floodworks en
dc.subject Hydraulics & hydrodynamics en
dc.subject River engineering en
dc.title Overbank flow depth prediction in alluvial compound channels en
dc.type Journal Article en
dc.internal.availability Full text available en
dc.status Peer reviewed en
dc.identifier.volume 159 en
dc.identifier.issue 3 en
dc.identifier.startpage 195 en
dc.identifier.endpage 205 en
dc.identifier.doi 10.1680/wama.2006.159.3.195
dc.neeo.contributor Karamisheva|R. D.|aut|
dc.neeo.contributor Lyness|J. F.|aut|
dc.neeo.contributor Myers|W. R. C.|aut|
dc.neeo.contributor Cassells|J. B. C.|aut|
dc.neeo.contributor O'Sullivan|J. J.|aut|
dc.description.admin Deposited by bulk import en
dc.date.updated 2012-08-15T10:34:46.352+01:00 en_US

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