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Storm influence on the burial of objects in a shallow sandy shelf environment
Papili, S.; Wever, T.; Dupont, Y.; Van Lancker, V. (2014). Storm influence on the burial of objects in a shallow sandy shelf environment. Mar. Geol. 349: 61-72.
In: Marine Geology. Elsevier: Amsterdam. ISSN 0025-3227, more
Peer reviewed article  

Available in  Authors 
    VLIZ: Open Repository 254251 [ OMA ]

Author keywords
    Short intense storm; Burial recording mine; Small-scale sediment dynamics; Man-made objects

Authors  Top 
  • Papili, S., more
  • Wever, T.
  • Dupont, Y., more
  • Van Lancker, V., more

    For rapid assessments of occurrences of sea mines or objects, and probability modelling of object burial mechanisms, knowledge is needed on sediment processes under a variety of hydro meteorological conditions. One approach is to use test mines that record burial mechanisms over longer time periods.A Burial Recording Mine (BRM) was deployed in the Belgian part of the North Sea, in water depths of 7 to 12 m. The area is predominantly sandy, with a continuous spectrum of small- to medium and large dunes. Three months of data were recorded and allowed monitoring of small-scale seabed variation; this was correlated to ruling current and wave conditions.During the recording period, two short intense storms affected the area. The burial behaviour of the cylindrical object revealed that the depth-related wave energy decay rate, immediately after the storm, was the main factor causing sedimentation. Moreover, sequential storms caused a “cascade effect” with the object being vertically relocated in a deeper position.The results gave insight into the processes and the timing of erosion and sedimentation during and post-storm, providing more efficient strategies for the detection of missing objects. Results are relevant to assess storm impact on any man-made object at sea.

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