Chapter
Apr 26, 2012
Mesoscale Behaviour of Longshore Bars — Net Onshore or Net Offshore Migration
Publication: Coastal Sediments '07
Abstract
The aim of this study is to compare long-term (30 yr) bar migration characteristics at two field sites on the Danish North Sea coast. One site displays systematically onshore migrating bars (Skallingen) while the bar migration at the other site (Vejers) is systematically offshore. Using cross-shore profile data and a sediment transport model, the paper discusses the mechanisms that cause divergent longshore bar behaviour at the two sites. The main reason for the difference appears to be larger undertow speeds at Vejers, caused by a steeper outer shoreface and a larger bar relief, leading to breaking wave reformation between bars.
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Published In
Coastal Sediments '07
Pages: 2124 - 2136
Copyright
© 2007 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Department of Geography, University of Copenhagen, Oster Voldgade 10, DK-1350 Copenhagen K., Denmark. E-mail: [email protected]
Department of Geography, University of Copenhagen, Oster Voldgade 10, DK-1350 Copenhagen K., Denmark. E-mail: [email protected]
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