Research Article
Aug 1982
Parametric Approach to Wave Forecasting
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VIEW THE REPLYPublication: Journal of the Waterway, Port, Coastal and Ocean Division
Volume 108, Issue 3
Abstract
The prediction of wave characteristics generated by variable winds under fetch- and duration-limited conditions is considered using a parametric approach and a simplified form of the radiative transport equation. The wind-generated sea surface is characterized in terms of an equilibrium range spectrum with a well defined low wave number cut-off. By relating the local wind velocity to the rate of increase in wave energy and incorporating the refractive and frictional effects of transitional water depths into the formulation, governing equations are derived to predict the development of a wind-wave field in terms of integral properties of the spectrum such as mean period, direction, and significant wave height. Under deep water conditions, governing equations admit simple closed form solutions which are shown to compare very favorably with observational data as well as various wind-wave prediction formulae currently available. Consequently, they are numerically solved first for the case of wind-waves in uniform water depth and then for a circular basin with variable bathymetry as an illustrative general case.
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Published In
Journal of the Waterway, Port, Coastal and Ocean Division
Volume 108 • Issue 3 • August 1982
Pages: 361 - 375
Copyright
© 1982 American Society of Civil Engineers.
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Published in print: Aug 1982
Published online: Feb 12, 2021
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Authors
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M. Aziz Tayfun, AM.ASCE
Assoc. Prof., Dept. of Civ. Engrg., Coll. of Engrg. and Petroleum, Kuwait Univ., P.O. Box 5969, Kuwait
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.