Research Article
Nov 1982
Effects of Uncertainties on Extreme Wave Heights
Authors: Marshall D. Earle and Ledolph BaerAuthor Affiliations
Publication: Journal of the Waterway, Port, Coastal and Ocean Division
Volume 108, Issue 4
Abstract
The relative effects of uncertainties due to record lengths, natural variability, and measurement or hindcast errors on estimated extreme significant wave heights has been assessed objectively through simulation. The probability distributions describing extreme heights at a given return period have confidence intervals broader than those computed from typically used techniques and show substantial positive biases. Both the widths of the confidence intervals and the biases increase with the size of the total uncertainty which represents the combined effects of measurement or hindcast errors and natural variability. Tables and nomograms are provided for practical assessment of record lengths, natural variability and errors on extreme wave estimates.
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Published In
Journal of the Waterway, Port, Coastal and Ocean Division
Volume 108 • Issue 4 • November 1982
Pages: 456 - 478
Copyright
© 1982 American Society of Civil Engineers.
History
Published in print: Nov 1982
Published online: Feb 12, 2021
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Authors
Affiliations
Marshall D. Earle
Sr. Oceanographer, Marine Environments Corp., 10629 Crestwood Drive, Manassas, Va.
Ledolph Baer
Mgr., Coastal Waves Program, Office of Oceanography, National Ocean Survey, National Oceanic and Atmospheric Administration, Rockville, Md. 20852
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