Significant Wave Height for Shallow Water Design
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 111, Issue 5
Abstract
Wave height parameters used in coastal and ocean engineering are grouped into three classes according to their definition bases: height statistics, energy, and monochromatic. Parameters within each class are easily interrelated lor most engineering purposes. However, parameters from different classes are difficult to interrelate, particularly for shallow water applications where waves are near breaking. The often‐used parameter “significant wave height” has traditionally been based on height statistics but many modern estimates are based on wave energy. A simple empirical method is developed to relate statistical and energy based significant height estimates. The method is developed with CERC laboratory flume data from a 1:30 plane slope, two samples of field data, and stream function wave theory. Since the two significant height estimates differ by over 40% in some laboratory cases, engineers should clearly recognize the distinction between them.
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Information & Authors
Information
Published In
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 111 • Issue 5 • September 1985
Pages: 828 - 842
Copyright
Copyright © 1985 ASCE.
History
Published online: Sep 1, 1985
Published in print: Sep 1985
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