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TECHNICAL BRIEFS

Modeling the Effect of Shelter in the Modification of Waves From the Open Sea to Near-Shore

[+] Author and Article Information
H. Oliveira-Pires, F. Carvalho

Instituto de Meteorologia, Rua C ao Aeroporto, 1700 Lisboa, Portugal

T. Pontes

INETI, Estrada do Paço do Lumiar, 1699 Lisboa Codex, Portugal

J. Offshore Mech. Arct. Eng 119(1), 70-72 (Feb 01, 1997) (3 pages) doi:10.1115/1.2829048 History: Received July 01, 1996; Revised October 01, 1996; Online December 17, 2007

Abstract

An efficient method has been developed to compute the wave conditions in sheltered areas from the open sea directional spectrum using a reverse tracing wave ray model with weighted spectral filtering. The results were verified for Porto Cachorro—Azores, surrounded by several islands with an intricate geometry, and for Sines, at the west coast of Portugal. The range of applicability of this type of ray model seems to lie at the transition between the open sea, well represented through large-scale wind-wave models, and the zones close to shore where shallow water wave breaking (not represented in the model) begins to play a dominant and decisive role.

Copyright © 1997 by The American Society of Mechanical Engineers
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