Chapter
Apr 26, 2012
Nearshore Bar Response to Time Varying Conditions
Authors: Marije W. J. Smit [email protected], Ad J. H. M. Reniers, and Marcel J. F. StiveAuthor Affiliations
Publication: Coastal Dynamics 2005: State of the Practice
Abstract
The variability of nearshore bar responses to hydrodynamic conditions is investigated using a 2DH process-based model. Two hydrodynamic conditions were consecutively applied to an initially longshore uniform double barred profile, mimicking an up-state transition with four different transition moments. The bathymetrical evolution is analysed on the extent of adapting towards a state that relates to the up-state condition. It was found that the earlier the transition moment, the better the bars adjust their length scales to the length scales related to the up-state condition. The computed results show merging behaviour and variations in length scales that compare well with field observations.
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© 2006 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Delft University of Technology, Faculty of Civil Engineering and Geosciences, Stevinweg 1, P.O. Box 5048, NL-2600 GA Delft, The Netherlands. E-mail: [email protected]
Ad J. H. M. Reniers
Delft University of Technology, Faculty of Civil Engineering and Geosciences, Stevinweg 1, P.O. Box 5048, NL-2600 GA Delft, The Netherlands
Marcel J. F. Stive
Delft University of Technology, Faculty of Civil Engineering and Geosciences, Stevinweg 1, P.O. Box 5048, NL-2600 GA Delft, The Netherlands
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