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Title: A two-dimensional hydro-morphological model for river hydraulics and morphology with vegetation
Authors: Guan, Mingfu
Liang, Qiuhua
Keywords: Vegetation effects
Non-equilibrium sediment transport model
River hydraulics
Morphological changes
Shallow water equations
Issue Date: 2016
Publisher: © Elsevier
Citation: GUAN, M. and LIANG, Q., 2016. A two-dimensional hydro-morphological model for river hydraulics and morphology with vegetation. Environmental Modelling and Software, 88, pp. 10-21.
Abstract: This work develops a two-dimensional hydro-morphological model which can be used to simulate river hydraulics and morphology with various vegetation covers. The model system consists of five modules, including a hydrodynamic model, a sediment transport model, a vegetation model, a bank failure model and a bed deformation model. The secondary flow effects are incorporated through additional dispersion terms. The core components of the model system solve the full shallow water equations; this is coupled with a non-equilibrium sediment transport model. The new integrated model system is validated against a number of laboratory-scale test cases and then applied to a natural river. The satisfactory simulation results confirm the model's capability in reproducing both stream hydraulics and channel morphological changes with vegetation. Several hypothetical simulations indicate that the model can be used not only to predict flooding and morphological evolution with vegetation, but also to assess river restoration involving vegetation.
Description: This paper was accepted for publication in the journal Environmental Modelling and Software and the definitive published version is available at http://dx.doi.org/10.1016/j.envsoft.2016.11.008.
Version: Accepted for publication
DOI: 10.1016/j.envsoft.2016.11.008
URI: https://dspace.lboro.ac.uk/2134/23292
Publisher Link: http://dx.doi.org/10.1016/j.envsoft.2016.11.008
ISSN: 1364-8152
Appears in Collections:Published Articles (Geography and Environment)

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