Journal
MARINE GEOLOGY
Volume 251, Issue 1-2, Pages 75-84Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.margeo.2008.02.003
Keywords
climate change; sea level rise; shore profile; shore platform; cliff erosion; soft rock; coastal erosion
Categories
Funding
- NERC [tynd10001] Funding Source: UKRI
- Natural Environment Research Council [tynd10001] Funding Source: researchfish
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A process-based numerical model was used to explore the response of soft rock shores with low volume beaches to variable rates of sea level rise. Equilibrium recession rates were simulated for ranges of wave height and period, tidal amplitude, rock strength, beach volume and rate of sea level rise. Equilibrium shore profiles were found to be steeper with higher rates of sea level rise. Beaches were represented as protective, surfaces yet were found to cause no significant reduction in equilibrium recession rate when their volumes were below a critical threshold. Reduced equilibrium recession rates were found with beaches that extended sufficiently far below low tide level. The model results imply that, given several constraints, a very simple relationship exists between increased rates of sea level rise and the response of eroding composite soft rock/low volume beach shores. (C) 2008 Elsevier B.V. All rights reserved.
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