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Introduction of a new friction routine into the SWAN model that evaluates roughness due to bedform and sediment size changes
- Source :
-
Coastal Engineering . Apr2011, Vol. 58 Issue 4, p317-326. 10p. - Publication Year :
- 2011
-
Abstract
- Abstract: The significant loss of wave energy due to seabed interaction in finite depths is a known effect and bottom friction terms are used in the wave models to account for this dissipation. In this paper, a new bottom-interaction function is tested by means of the SWAN model, based on measurements at two field sites, Lake George and Lakes Entrance, both in Australia. The function accounts for dependence of the friction on the formation process of bottom ripples and on the grain size of the sediment. The overall improvement of the model prediction both for the wave height and wave period is demonstrated. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 03783839
- Volume :
- 58
- Issue :
- 4
- Database :
- Academic Search Index
- Journal :
- Coastal Engineering
- Publication Type :
- Academic Journal
- Accession number :
- 58096656
- Full Text :
- https://doi.org/10.1016/j.coastaleng.2010.11.006