Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Vol 4 No 1 (2014): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)

Transformation of Directional Wave Spreading in the Surf Zone Using Video Image Data

Zikra, Muhammad (Unknown)
Hashimoto, Noriaki (Unknown)
Yamashiro, Masaru (Unknown)
Suzuki, Kojiro (Unknown)

Article Info

Publish Date
20 Feb 2014

Abstract

In present study, video images technique is used to investigate the transformation of the directional wave spreading in shallow water. The technique is based on time series of the pixel brightness on video images. The Bayesian Directional Method is conducted in estimating the directional wave spectrum for evaluating the change of the directional wave spreading in the surf zone area. Video image data recorded at Hasaki beach in Japan are used in the analysis. Estimation of principle direction and spreading parameter in the surf zone regions indicated that principle directions at peak frequency are not strongly affected by wave breaking process. In contrast, the broadenings of directional spreading were observed when the waves start breaking on the sand bar and toward the shore area.

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Journal Info
Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Website

Abbrev

jomase

Publisher

Universitas Riau

Subject

Aerospace Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mechanical Engineering

Description

The mission of the JOMAse is to foster free and extremely rapid scientific communication across the world wide community. The JOMAse is an original and peer review article that advance the understanding of both science and engineering and its application to the solution of challenges and complex ...