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- Title
BARDEX II: Bringing the beach to the laboratory - again!
- Authors
Masselink, Gerd; Turner, Ian; Conley, Daniel; Ruessink, Gerben; Matias, Ana; Thompson, Charlie; Castelle, Bruno; Wolters, Guido
- Abstract
Masselink, G, Turner, I.L., Conley, D.C., Ruessink, B.G., Matias, A., Thompson, C., Castelle, B. and Wolters, G., 2013. BARDEX II: Bringing the beach to the laboratory - again! Proto-type laboratory experiments are particularly useful in coastal research when forcing parameters are modified in a way that is impossible to achieve in the field, and where installation and maintenance of instrumentation requires absence of waves. In 2008, the Barrier Dynamics Experiment ( BARDEX) took place in the Delta Flume, the Netherlands. This project, funded by Hydralab III, focused on the effect of varying wave, sea level and beach groundwater conditions on a gravel beach ( D50 = 10 mm). In 2012, a similar project was carried out, referred to as BARDEX II, this time funded by Hydralab IV and on a sandy beach ( D50 = 0.42 mm). During the experiment, a 4.5-m high and 70-m wide sandy barrier was constructed in the flume with a lagoon situated to the landward. The barrier was instrumented with a very large number (> 200) of instruments and subjected to a range of wave conditions ( Hs = 0.8 m; Tp = 4-12 s) and varying sea and lagoon water levels. Five distinct test series were executed over a 20-day period: series A focused on beach response due to accretionary/erosive wave conditions and a high/low lagoon water level; series B investigated the effect of a lower sea level on nearshore bar dynamics; series C simulated tidal effects; series D addressed the swash/overtopping/overwash threshold; and during series E the beach-barrier system was subjected to an extended period of energetic overwash conditions. This paper will describe the experimental design and the test programme during BARDEX II.
- Subjects
BEACHES; COASTAL ecology; HYDRODYNAMICS; GROUNDWATER; SEA level; SAND bars
- Publication
Journal of Coastal Research, 2013, p1545
- ISSN
0749-0208
- Publication type
Article
- DOI
10.2112/SI65-261.1