Issues in development of a langrangian transport model

Mason, Luciano B., Hardy, Thomas A., and Bailey, Wesley G. (2003) Issues in development of a langrangian transport model. In: Proceedings of the Coasts & Ports Australasian Conference 2003. pp. 1-9. From: Coasts & Ports Australasian Conference 2003, 9-12 September, 2003, Auckland, New Zealand.

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The ongoing development of a Lagrangian sediment transport model intended for large scale use in the marine environment is presented. Since Lagrangian sediment models are uncommon, several issues in Lagrangian sediment transport modelling have not been fully investigated. Among these issues discussed are techniques to: incorporate turbulent diffusion; avoid placing particles above the free surface during long time steps; calculate erosion masses; and position and time the deposition of suspended particles. Comparison of model results to empirical transport rate formulae indicate that the model over-predicts fine sediment and under-predicts for coarser sediment.

Item ID: 7599
Item Type: Conference Item (Research - E1)
ISBN: 978-0-473-09832-2
Keywords: lagrangian modelling; numerical model; sediment entrainment; sediment transport; turbulent diffusion
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Date Deposited: 19 May 2010 23:18
FoR Codes: 09 ENGINEERING > 0911 Maritime Engineering > 091103 Ocean Engineering @ 100%
SEO Codes: 96 ENVIRONMENT > 9603 Climate and Climate Change > 960301 Climate Change Adaptation Measures @ 100%
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