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Wind Effects on Runup and Overtopping of Coastal Structures

Ward, Donald L. / Zhang, Jun / Wibner, Christopher G. / Cinotto, Charles M.

Effects of strong onshore winds on runup and overtopping of coastal revetments were studied in a wave flume with wind-generating capabilities. Runup and overtopping were measured during tests with onshore wind blowing over mechanically-generated waves. The addition of a constant wind over monochromatic waves added substantial energy to the wave field but the energy spectrum remained single peaked if the generated wave period was short (one second). These single-peaked incident spectra of the combined wind/wave tests were then reproduced mechanically using just the mechanical wave generator, with runup or overtopping again being measured. Runup and overtopping were both found to be considerably higher with similar incident spectra under the influence of onshore winds. Results are presented for a range of structure slopes, wind speeds, wave periods, and wave heights. Both smooth and rough revetments were tested.

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Wind Effects on Runup and Overtopping of Coastal Structures

Ward, Donald L. / Zhang, Jun / Wibner, Christopher G. / Cinotto, Charles M.

Effects of strong onshore winds on runup and overtopping of coastal revetments were studied in a wave flume with wind-generating capabilities. Runup and overtopping were measured during tests with onshore wind blowing over mechanically-generated waves. The addition of a constant wind over monochromatic waves added substantial energy to the wave field but the energy spectrum remained single peaked if the generated wave period was short (one second). These single-peaked incident spectra of the combined wind/wave tests were then reproduced mechanically using just the mechanical wave generator, with runup or overtopping again being measured. Runup and overtopping were both found to be considerably higher with similar incident spectra under the influence of onshore winds. Results are presented for a range of structure slopes, wind speeds, wave periods, and wave heights. Both smooth and rough revetments were tested.

Wind Effects on Runup and Overtopping of Coastal Structures

Ward, Donald L. / Zhang, Jun / Wibner, Christopher G. / Cinotto, Charles M.

Effects of strong onshore winds on runup and overtopping of coastal revetments were studied in a wave flume with wind-generating capabilities. Runup and overtopping were measured during tests with onshore wind blowing over mechanically-generated waves. The addition of a constant wind over monochromatic waves added substantial energy to the wave field but the energy spectrum remained single peaked if the generated wave period was short (one second). These single-peaked incident spectra of the combined wind/wave tests were then reproduced mechanically using just the mechanical wave generator, with runup or overtopping again being measured. Runup and overtopping were both found to be considerably higher with similar incident spectra under the influence of onshore winds. Results are presented for a range of structure slopes, wind speeds, wave periods, and wave heights. Both smooth and rough revetments were tested.

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Title:

Wind Effects on Runup and Overtopping of Coastal Structures

Contributors:

Ward, Donald L. (author) / Zhang, Jun (author) / Wibner, Christopher G. (author) / Cinotto, Charles M. (author)

Conference:

25th International Conference on Coastal Engineering ; 1996 ; Orlando, Florida, United States

Published in:

Coastal Engineering 1996 ; 2206-2215

Publication date:

1997-08-05

ISBN:

978-0-7844-7951-3 , 9780784402429

DOI:

https://doi.org/10.1061/9780784402429.171

Type of media:

Conference paper

Type of material:

Electronic Resource

Language:

English

Keywords:

Shore protection , Coastal engineering , Sediment transport , Case studies , Revetments , Coastal structures , Long waves , Wind forces , Wave runup , Wave overtopping

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