What is it about?
This publication examines the factors influencing the depth to which waves leave a sedimentary record in coastal environments. By reviewing the literature, studying modern and ancient depositional systems, and using numerical models, we explore the roles of sediment grade, bathymetric irregularities, and depositional gradient in determining the variable depths of wave action. Here we challenge the conventional notion of distinct "fair-weather" and "storm" wave bases and propose a more comprehensive understanding of wave-induced sediment movement and its connection to local conditions.
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Why is it important?
This research has significant implications for interpreting and understanding coastal deposits in the geologic record. By unraveling the complex interactions between waves, sediment, and geomorphology, it challenges conventional assumptions and provides a more nuanced framework for studying wave-dominated systems. The findings contribute to a more accurate characterization of sedimentary facies, help explain variations in depositional processes, and offer insights into the evolution of coastal environments over time.
Perspectives
As a coauthor, I am thrilled to collaborate with a geologist and apply my numerical modeling expertise to enhance the interpretation of geological processes. Our findings challenge existing paradigms and provide a more comprehensive understanding of wave dynamics, sediment transport, and their influence on coastal deposits.
Christian Appendini
Universidad Nacional Autonoma de Mexico
Read the Original
This page is a summary of: Unfathomable: The shifting sand of wave base, Journal of Sedimentary Research, February 2022, Society for Sedimentary Geology,
DOI: 10.2110/jsr.2021.077.
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