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Beach ridges are common landforms found al … Beach ridges are common landforms found along coasts undergoing isostatic rebound or other forms of relative sea-level fall. The development of individual ridges has been attributed to storms, tidal cycles, and even the change in the rate of relative sea-level. However, few studies have investigated the role of autogenic processes in the development of individual ridges. In this study, we modify the existing code for modeling beach/foredune-ridge and swale morphology to examine the development of beach ridges during conditions of falling relative sea-level and constant sediment supply. We show that individual beach ridges can form in the absence of changes in the rate of sea-level change, tidal cycle, sediment supply, and storms. New beach ridges form as the shoreline moves seaward due to relative sea level fall, removing older beach ridges from their source of sediment, thus nucleating new beach ridges. Furthermore, we find that beach ridges grow higher and more frequent with increased rates of sediment supply. This study highlights the importance autogenic processes play in beach ridge development and has significant implications for the ability to decipher between environmental signals using beach ridges as historical archives.using beach ridges as historical archives. +
Modeling the environmental controls of uplifted beach ridge geomorphology +
Santa Barbara +
United States +
emilyhuffman@ucsb.edu +
Emily +
University of California, Santa Barbara +
Huffman +
6195921751 +
Image: +
4) Get lazy with LLMs +
2) From Exploration to Publication: Geospatial Research in the Jupyter Ecosystem +
2) Accelerating Glacier and Surface Processes Modeling with Machine Learning and New Python Libraries +
California +
United States +
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22:02:36, 22 February 2025 +
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22:02:36, 22 February 2025 +
{{{OtherCountry}}} +
Coastal Working Group +
