Imaging measurement of whitecaps at sea observation tower

Y. Sugihara, H. Tsumori, H. Yoshioka, S. Serizawa, A. Masuda

    研究成果: Chapter in Book/Report/Conference proceedingConference contribution

    3 被引用数 (Scopus)

    抄録

    Whitecap coverage was estimated from imaging measurements at a sea observation tower. High-resolution images of whitecaps were taken using a digital camera system located at 14 m above the mean sea level, and they were stored automatically in steps of 1 s. The present results indicate that the 1/3 power of whitecap coverage increases linearly with increasing the wind speed at an elevation of 10 m, and that whitecapping is influenced significantly by the near-water air stability and the state of development of surface waves. Whitecaps are produced most activity under the condition of pure windsea, and they tend to be suppressed by the presence of swell. It is difficult to find the dependence of whitecap coverage on the deflection angle between propagating directions of wind waves and swell.

    本文言語英語
    ホスト出版物のタイトルProceedings of the 29th International Conference on Coastal Engineering 2004, ICCE 2004
    編集者Jane McKee Smith, Jane McKee Smith
    出版社American Society of Civil Engineers (ASCE)
    ページ1082-1092
    ページ数11
    ISBN(電子版)9789812562982, 9789812562982
    DOI
    出版ステータス出版済み - 4 1 2005
    イベント29th International Conference on Coastal Engineering, ICCE 2004 - Lisbon, ポルトガル
    継続期間: 9 19 20049 24 2004

    出版物シリーズ

    名前Proceedings of the Coastal Engineering Conference
    2005-January
    ISSN(印刷版)0161-3782

    その他

    その他29th International Conference on Coastal Engineering, ICCE 2004
    国/地域ポルトガル
    CityLisbon
    Period9/19/049/24/04

    All Science Journal Classification (ASJC) codes

    • 土木構造工学
    • 海洋工学
    • 海洋学

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