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An analytical model to predict dune and cliff notching due to wave impact
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- Larson, Magnus (author)
- Lund University,Lunds universitet,Avdelningen för Teknisk vattenresurslära,Institutionen för bygg- och miljöteknologi,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Water Resources Engineering,Department of Building and Environmental Technology,Departments at LTH,Faculty of Engineering, LTH
- Sunamura, Tsuguo (author)
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- Erikson, Li (author)
- United States Geological Survey, Reston
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- McKee Smith, Jane (editor)
- Lynett, Patrick (editor)
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- (creator_code:org_t)
- 2011-01-25
- 2010
- English 11 s.
- In: Proceedings of 32nd Conference on Coastal Engineering. - : Coastal Engineering Research Council. - 0161-3782. - 9781629931210 - 9780989661102
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- A model was developed to calculate the evolution of a notch in a dune or cliff due to wave impact. Analytical solutions were derived to the model for schematized conditions regarding forcing and dune/cliff properties. Comparisons were made with laboratory experiments where the time evolution of the notch was measured. Values of the transport coefficients in the analytical solutions were determined by least-square fitting the solutions to the laboratory data. Some of these coefficients could be related to the ratio between parameters describing the forcing and the dune/cliff strength. The evolution of the dune notch displayed a linear behavior at short times, whereas the cliff notch showed a more complex response for cases where a feedback between the notch and a beach formed seaward of the cliff occurred.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Vattenteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Water Engineering (hsv//eng)
Keyword
- Analytical model
- Cliff erosion
- Dune erosion
- Laboratory experiments
- Notching
- Storms
Publication and Content Type
- kon (subject category)
- ref (subject category)
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