Beach-face slope dataset for Australia
[摘要] Sandy beaches are unique environments composed of unconsolidatedsediments that are constantly reshaped by the action of waves, tides,currents, and winds. The most seaward region of the dry beach, referred toas the beach face, is the primary interface between land and ocean and is offundamental importance to coastal processes, including the dissipation andreflection of wave energy at the coast and the exchange of sediment betweenthe land and sea. The slope of the beach face is a critical parameter incoastal geomorphology and coastal engineering, as it is needed to calculate thetotal elevation and excursion of wave run-up at the shoreline. However,datasets of the beach-face slopes along most of theworld's coastlines remain unavailable. This study presents a new dataset of beach-face slopesfor the Australian coastline derived from a novel remote sensing technique.The dataset covers 13 200 km of sandy coast and provides an estimate of thebeach-face slope every 100 m alongshore accompanied by an easy-to-applymeasure of the confidence of each slope estimate. The dataset offers aunique view of large-scale spatial variability in the beach-face slope andaddresses the growing need for this information to predict coastal hazardsaround Australia. The beach-face slope dataset and relevant metadata areavailable at https://doi.org/10.5281/zenodo.5606216 (Vos et al., 2021).
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