Expression for Shoreline Advancement of Initially Plane Beach
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 114, Issue 6
Abstract
A semiempirical model for the prediction of shoreline advancement/recession of an initially plane beach is developed by using a conservation of sand argument and extending the equilibrium profile concept of Bruun and Dean in the surf zone to the depth of closure. When the initial each slope is greater than 1.2 times of the equilibrium slope, , where is the depth of profile closure and is the offshore distance to , the shoreline recession occurs, or vice versa. Using regression analyses on some available laboratory data, the magnitude of shoreline advancement is expressed in terms of initial plane beach slope, deepwater wave height and the Dean number. This expression is shown to give a good agreement with some field measurement data when the nearshore storm wave height that is exceeded only 12 hr/yr is used in place of the deepwater wave height.
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Information & Authors
Information
Published In
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 114 • Issue 6 • November 1988
Pages: 770 - 777
Copyright
Copyright © 1988 ASCE.
History
Published online: Nov 1, 1988
Published in print: Nov 1988
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