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A numerical model to simulate the formation and subsequent evolution of tidal channel networks

A numerical model to simulate the formation and subsequent evolution of tidal channel networks
A numerical model to simulate the formation and subsequent evolution of tidal channel networks
We present a numerical model that simulates morphological change as a result of the interactions between hydrodynamics, sediment transport and bed elevation change. Numerical simulations indicate that these morphodynamic interactions can lead to the initiation of tidal channels and potentially give rise to large-scale channel networks. We perform a sensitivity analysis to show how model outcome is sensitive to the numerical scheme adopted, hydrodynamic and morphological time-steps, and initial bathymetry. Furthermore, the formation of tidal channels and intertidal areas affects both the large-scale flow patterns, as well as the asymmetry between flood- and ebb-tidal currents
1448-8353
61-71
van Maanen, B.
47cb6ae2-9baf-4f37-a138-067d72966597
Coco, G.
2fd53078-aedb-4f12-bb28-d69b74d8ad64
Bryan, K.R.
02d42071-7100-4ef5-9bba-4b14bdbd9277
van Maanen, B.
47cb6ae2-9baf-4f37-a138-067d72966597
Coco, G.
2fd53078-aedb-4f12-bb28-d69b74d8ad64
Bryan, K.R.
02d42071-7100-4ef5-9bba-4b14bdbd9277

van Maanen, B., Coco, G. and Bryan, K.R. (2011) A numerical model to simulate the formation and subsequent evolution of tidal channel networks. Australian Journal of Civil Engineering, 9 (1), 61-71.

Record type: Article

Abstract

We present a numerical model that simulates morphological change as a result of the interactions between hydrodynamics, sediment transport and bed elevation change. Numerical simulations indicate that these morphodynamic interactions can lead to the initiation of tidal channels and potentially give rise to large-scale channel networks. We perform a sensitivity analysis to show how model outcome is sensitive to the numerical scheme adopted, hydrodynamic and morphological time-steps, and initial bathymetry. Furthermore, the formation of tidal channels and intertidal areas affects both the large-scale flow patterns, as well as the asymmetry between flood- and ebb-tidal currents

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More information

Published date: 2011
Organisations: Energy & Climate Change Group

Identifiers

Local EPrints ID: 354889
URI: http://eprints.soton.ac.uk/id/eprint/354889
ISSN: 1448-8353
PURE UUID: fd105d25-d6ac-4a0e-9327-9cb39e3df4a7

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Date deposited: 08 Aug 2013 15:39
Last modified: 16 Jul 2019 21:27

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