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Two-dimensional reduced-physics model to describe historic morphodynamic behaviour of an estuary inlet

Harshinie Karunarathna Orcid Logo, Jose Horrillo-Caraballo, Helene Burningham, Shunqi Pan, Dominic Reeve Orcid Logo

Marine Geology, Volume: 382, Pages: 200 - 209

Swansea University Authors: Harshinie Karunarathna Orcid Logo, Dominic Reeve Orcid Logo

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Abstract

Understanding medium to long term morphodynamic change is important for sustainable coastal and estuary management. This paper analyses morphodynamic change of a complex estuary inletwhich is subjected tomultiple environmental drivers and proposes a reduced physics model to explain the historic medi...

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Published in: Marine Geology
ISSN: 0025-3227
Published: 2016
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa31328
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Abstract: Understanding medium to long term morphodynamic change is important for sustainable coastal and estuary management. This paper analyses morphodynamic change of a complex estuary inletwhich is subjected tomultiple environmental drivers and proposes a reduced physics model to explain the historic medium term morphodynamic change of the inlet. The analysis shows that even though the estuary inlet undergoes multiscale morphological change, the changes that take place over a timescale of several years are more significant and important. The reduced physics model suggests that this simplified modelling approach is able to recognise principal historic morphodynamic trends in the estuary. However, the length and quality of the inlet bathymetry data set limits the applicability of the models and the quality of model outputs.
Keywords: Reduced-physics model, Diffusion coefficient, Deben estuary, Estuary morphodynamics
College: College of Engineering
Start Page: 200
End Page: 209