An analytical model to predict dune and cliff notching due to wave impact
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Abstract
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.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | An analytical model to predict dune and cliff notching due to wave impact |
| DOI | 10.9753/icce.v32.sediment.35 |
| Year Published | 2011 |
| Language | English |
| Publisher | American Society of Civil Engineers |
| Description | 11 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | Proceedings of 32nd Conference on Coastal Engineering |
| Conference Title | Coastal Engineering 2010 |
| Conference Location | Shanghai, China |
| Conference Date | 2010 |
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