NEWTS1.0: Numerical model of coastal Erosion by Waves and Transgressive Scarps

Geoscientific Model Development
By: , and 



Models of rocky-coast erosion help us understand the physical phenomena that control coastal morphology and evolution, infer the processes shaping coasts in remote environments, and evaluate risk from natural hazards and future climate change. Existing models, however, are highly complex, are computationally expensive, and depend on many input parameters; this limits our ability to explore planform erosion of rocky coasts over long timescales (thousands to millions of years) and over a range of conditions. In this paper, we present a simplified cellular model of coastline evolution in closed basins through uniform erosion and wave-driven erosion. Uniform erosion is modeled as a constant rate of retreat. Wave erosion is modeled as a function of fetch, the distance over which the wind blows to generate waves, and the angle between the incident wave and the shoreline. This reduced-complexity model can be used to evaluate how a detachment-limited coastal landscape reflects climate, sea-level history, material properties, and the relative influence of different erosional processes.

Publication type Article
Publication Subtype Journal Article
Title NEWTS1.0: Numerical model of coastal Erosion by Waves and Transgressive Scarps
Series title Geoscientific Model Development
DOI 10.5194/gmd-17-3433-2024
Volume 17
Issue 8
Year Published 2024
Language English
Publisher Copernicus
Contributing office(s) St. Petersburg Coastal and Marine Science Center
Description 13 p.
First page 3433
Last page 3445
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