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Vlaams Instituut voor de Zee

Platform voor marien onderzoek

Open Marien Archief

Het Open Marien Archief van België (OMA) biedt vrije toegang tot de digitale publicaties over de Vlaamse kust en het Belgisch deel van de Noordzee, en alle andere mariene, estuariene en kustgebonden publicaties van Belgische auteurs en wetenschappers en van buitenlandse wetenschappers geaffilieerd aan een Belgische instelling.

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Monitoring aeolian activity during a storm event using a video system
Montreuil, A.-L.; Chen, M.; Brand, E.; Dan, S. (2017). Monitoring aeolian activity during a storm event using a video system, in: Proceedings of Coastal Dynamics 2017, 12-16 June 2017, Helsingør, Denmark. pp. 461-470
In: (2017). Proceedings of Coastal Dynamics 2017, 12-16 June 2017, Helsingør, Denmark. Danish Coastal Authorities/University of Copenhagen/Technical University of Denmark/Geological Survey of Denmark and Greenland/DHI Water & Environment: [s.l.]. , meer

Beschikbaar in  Auteurs 
Documenttype: Congresbijdrage

Trefwoord
Author keywords
    beach morphology, erosion/deposition, potential sand supply, macro-tidal

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Abstract
    Aeolian sand transport was assessed from an Argus camera system located on a macro-tidal beach along the Belgian coast over a period of 4 days covering a storm surge. Over the study period, observed sand transport event occurred for 9.5% of the time when strong high oblique onshore wind (9.8m/s) combined with a water level below 3.75m TAW moved sand to the beach. Measured post-storm topographic profiles indicated an accretion on the total beach upper beach of 0.70m3/m, which was in agreement with the estimated potential sand supply of 0.91m3/m for the observed sand transport event and expected night transport events. Thus, there was a narrow temporal window in which sediment can be supplied to the beach before and after the storm surge. Also, the study highlights that the presence of berm with a relative height of 3m segments sediment transfer to the backshore.

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