Suspended and bedload transport in the surf zone: implications for sand transport models

Joep van der Zanden, Dominic A. van der A, Tom O'Donoghue, David Hurther, Iván Cáceres, Peter D. Thorne, Jebbe J. van der Werf, Suzanne J.M.H. Hulscher, Jan S. Ribberink

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Abstract

This paper presents results obtained during a large-scale wave flume experiment focused at measuring hydrodynamics and sediment transport processes in the wave breaking region. The experiment involved monochromatic plunging breaking waves over a mobile bed barred profile consisting of D50 = 0.24 mm sand. Vertical profiles of velocity, turbulence, sand concentration and sand fluxes were measured at 12 cross-shore locations, covering the shoaling region up to the inner surf zone. Particularly high-resolution profiles were obtained near the bed within the wave bottom boundary layer, using an acoustic sediment concentration and velocity profiler (ACVP). Sheet flow concentration and
particle velocities were measured at two locations near the bar crest using two conductivity-based concentration measurement tanks (CCM+). Total transport rates, obtained from the evolving bed profile measurements, were
decomposed into suspended and bedload transport contributions across the bar. The present paper presents a summary of the key findings of the experiment, which are used to discuss existing approaches for modeling suspended and bed
load transport in the surf zone.
Original languageEnglish
Title of host publicationProceedings of 35th Conference on Coastal Engineering, Antalya, Turkey, 2016
EditorsPatrick Lynett
PublisherCoastal Engineering Research Council
Pages1-14
Number of pages14
ISBN (Print)978-0-9896611-3-3
DOIs
Publication statusPublished - 2017
Event35th International Conference on Coastal Engineering, ICCE 2016 - Mardan Palace, Antalya, Turkey
Duration: 17 Nov 201620 Nov 2016
Conference number: 35
http://icce2016.com/en/

Conference

Conference35th International Conference on Coastal Engineering, ICCE 2016
Abbreviated titleICCE 2016
CountryTurkey
CityAntalya
Period17/11/1620/11/16
Internet address

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    van der Zanden, J., van der A, D. A., O'Donoghue, T., Hurther, D., Cáceres, I., Thorne, P. D., ... Ribberink, J. S. (2017). Suspended and bedload transport in the surf zone: implications for sand transport models. In P. Lynett (Ed.), Proceedings of 35th Conference on Coastal Engineering, Antalya, Turkey, 2016 (pp. 1-14). Coastal Engineering Research Council. https://doi.org/10.9753/icce.v35.sediment.30