Project Description

UWA Fringing Reef Experiment.

How sediment is transported and the shoreline develops in a fringing reef.

This laboratory study investigated the processes that transport sediment and affect the development of a shoreline adjacent to a fringing reef. A reef model was constructed that consisted of a horizontal approach, a 1:5 forereef slope from the bottom of the flume to a height of 0.7 m, a horizontal reef flat of 14m length (7m was a fixed bed and 7m was a movable sediment bed) and a 1:12 sandy beach slope from the reef flat to the top of the flume. The forereef slope and fixed (solid) reef flat were constructed from marine plywood, while the movable bed consisted of a very well-sorted and very fine quartz sand with a median diameter D50 = 110 μm. To assess the impact of bottom roughness on the hydrodynamics and sediment transport across the reef, an idealized bottom roughness was used. Synchronized hydrodynamic and suspended sediment measurements were obtained at 18 locations along the flume along with imagery and bed surface profile measurements.

Mark Buckley, William Bodde, Ryan Lowe, Dano Roelvink, Ap van Dongeren

Project Funding
Deltares Strategic Research in the Event-driven Hydro- and Morphodynamics program (1209342), ARC Centre of Excellence for Coral Reef Studies (CE140100020), UWA Research Collaboration Award, ARC Discovery Project grant (DP140102026), ARC Future Fellowship grant (FT110100201), The Gowrie Trust Fund, Robert and Maude Gledden Postgraduate Research Award.

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