Preprints
https://doi.org/10.5194/essd-2021-388
https://doi.org/10.5194/essd-2021-388

  18 Nov 2021

18 Nov 2021

Review status: this preprint is currently under review for the journal ESSD.

Beach-face slope dataset for Australia

Kilian Vos, Wen Deng, Mitchell D. Harley, Ian L. Turner, and Kristen D. Splinter Kilian Vos et al.
  • Water Research Laboratory, School of Civil and Environmental Engineering, UNSW Sydney, 110 King Street, Manly Vale, NSW 2093, Australia

Abstract. Sandy beaches are unique environments composed of unconsolidated sediments that are constantly reshaped by the action of waves, tides, currents, and winds. The most seaward region of the dry beach, referred to as the beach face, is the primary interface between land and ocean and is of fundamental importance to coastal processes, including the dissipation and reflection of wave energy at the coast, and the exchange of sediment between the land and sea. The slope of the beach-face is a critical parameter in coastal geomorphology and coastal engineering, necessary to calculate the total elevation and excursion of wave run-up at the shoreline. However, datasets of the beach-face slope remain unavailable along most of the world’s coastlines. This study presents a new dataset of beach-face slopes for the Australian coastline derived from a novel remote sensing technique. The dataset covers 13,200 km of sandy coast and provides an estimate of the beach-face slope at every 100 m alongshore, accompanied by an easy to apply measure of the confidence of each slope estimate. The dataset offers a unique view of large-scale spatial variability in beach-face slope and addresses the growing need for this information to predict coastal hazards around Australia. The beach-face slope dataset and relevant metadata are available at https://doi.org/10.5281/zenodo.5606217 (Vos et al., 2021)

Kilian Vos et al.

Status: open (until 13 Jan 2022)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse

Kilian Vos et al.

Data sets

Beach-face slope dataset for Australia Vos, Kilian UNSW, Water Research Laboratory; Harley, Mitchell D.; Splinter, Kristen D.; Turner, Ian L.; Wen, Deng https://doi.org/10.5281/zenodo.5606217

Model code and software

CoastSat.slope toolbox Vos, Kilian https://doi.org/10.5281/zenodo.3872442

CoastSat toolbox Vos, Kilian https://doi.org/10.5281/zenodo.2779293

Kilian Vos et al.

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Short summary
Along world's coastlines, we find sandy beaches that are constantly reshaped by ocean waves and tides. The way the incoming waves interact with the beach is dictated by the slope of beach-face, the most seaward region of the beach. Yet, despite its importance in coastal sciences, beach-face slope data remains unavailable along most of the world’s coastlines. Here we present a new dataset of beach-face slopes for the Australian continent covering 13,200 km of sandy coast.