Morphological developments after a beach and shoreface nourishment at Vlugtenburg beach

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Schipper, M.A. de and Vries, S. de and Ranasinghe, R. and Reniers, A.J.H.M. and Stive, M.J.F. (2012) Morphological developments after a beach and shoreface nourishment at Vlugtenburg beach. In: NCK-days 2012 : Crossing borders in coastal research., 13 March 2012 - 16 March 2012, Enschede, the Netherlands .

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Event: NCK-days 2012 : Crossing borders in coastal research., 13 March 2012 - 16 March 2012, Enschede, the Netherlands
Abstract:Typically a beach is out of equilibrium after a nourishment is installed. To observe how a nourished beach behaves on the timescale of storms a monitoring campaign was set up at Vlugtenburg beach after a nourishment in the spring of 2009. Here we show a sediment budget analysis of the first 2.5 years for a coastal domain spanning 1750 m alongshore from -9 to +5 m NAP. To investigate the redistribution of nourished sand different sections of the profile are examined. Observations show that the initial response (first 6 to 12 months after construction) is large where the sediment eroded from the beach is transported offshore to form a subtidal bar. In the following period (until present) the losses in the domain are on the order of 40 m3 per m alongshore per year. These losses are concentrated in the profile around the waterline.
Item Type:Conference or Workshop Item (Paper)
Link to this item:http://dx.doi.org/10.3990/2.180
Organisation URL:http://www.nck-web.org/
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