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<p>Coastal erosion at wave-dominated beaches, primarily driven by nearshore wave dynamics, poses a substantial challenge for coastal management. While existing datasets from individual beaches have improved our understanding of site-specific coastal morphodynamics, there is a growing demand for regional-scale datasets to understand and predict regional shoreline responses to climate variability. To address this, we present a combined shoreline and nearshore wave dataset for the wave-dominated coast of southeast Australia, comprising over 8,000 cross-shore transects at 100 m spacing for over 300 beaches. For each transect, satellite-derived shoreline positions (1984–2024) and beach-face slopes are provided, alongside hourly nearshore wave parameters (1979–2024) extracted at the 10 m depth contour. Shoreline data have been validated using available field surveys, and wave data have been assessed against offshore and nearshore buoy observations. This dataset provides a valuable resource for developing regional-scale understanding of shoreline variability along wave-dominated and embayed coastlines.</p>

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A Forty-year regional-scale dataset of shoreline change and nearshore wave conditions in Southeast Australia

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月19日

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  • Yongjing Mao,
  • Kilian Vos,
  • Laura Cagigal,
  • Valentine Bodin,
  • Mitchell D. Harley,
  • Kristen D. Splinter

摘要

Coastal erosion at wave-dominated beaches, primarily driven by nearshore wave dynamics, poses a substantial challenge for coastal management. While existing datasets from individual beaches have improved our understanding of site-specific coastal morphodynamics, there is a growing demand for regional-scale datasets to understand and predict regional shoreline responses to climate variability. To address this, we present a combined shoreline and nearshore wave dataset for the wave-dominated coast of southeast Australia, comprising over 8,000 cross-shore transects at 100 m spacing for over 300 beaches. For each transect, satellite-derived shoreline positions (1984–2024) and beach-face slopes are provided, alongside hourly nearshore wave parameters (1979–2024) extracted at the 10 m depth contour. Shoreline data have been validated using available field surveys, and wave data have been assessed against offshore and nearshore buoy observations. This dataset provides a valuable resource for developing regional-scale understanding of shoreline variability along wave-dominated and embayed coastlines.