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Coupling bank stability and bed deformation models to predict equilibrium bed topography in river bends

Amiri-Tokaldany, Ebrahim, Darby, Stephen E. and Tosswell, Paul (1970) Coupling bank stability and bed deformation models to predict equilibrium bed topography in river bends Journal of Hydraulic Engineering, 133, (10), pp. 1167-1170.

Record type: Article

Abstract

Attempts to include river bank erosion predictors within morphological models are becoming increasingly common, but uncertainty surrounds the procedures used to couple bed deformation and bank erosion submodels in a way that maintains the mass continuity of eroded bank sediment. Herein we present a coupling procedure that comprises two discrete elements. First, immediately following bank failure, the slumped debris comes to rest at the bank toe as a planar surface inclined at an “angle of repose.” Second, we use a fractional transport model to simulate the subsequent erosion and deposition of the failed bank material debris. The method is demonstrated with an example in which an equilibrium bed topography model is combined with a river bank erosion model to predict the morphological response of a river bend to a large flow event.

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More information

Published date: 1 January 1970

Identifiers

Local EPrints ID: 55523
URI: http://eprints.soton.ac.uk/id/eprint/55523
PURE UUID: 40e57537-cebb-4d79-b690-702028276a9f
ORCID for Stephen E. Darby: ORCID iD orcid.org/0000-0001-8778-4394

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Date deposited: 01 Aug 2008
Last modified: 25 Sep 2017 21:06

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Contributors

Author: Ebrahim Amiri-Tokaldany
Author: Paul Tosswell

University divisions

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