Acoustic tomography measurement of tidal currents and throughflow in the Kurushima Strait

来岛海峡潮汐流和通流的声学层析成像测量

• 批准号: 20540425
• 负责人: KANEKO Arata
• 金额: $ 2.83万
• 依托单位: Hiroshima University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2008
• 资助国家: 日本
• 起止时间: 2008 至 2010
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20540425/
• 关键词: 海洋計測法; 海洋音響トモグラフィー; 来島海峡; 潮流; 残差流; 海峡通過流量; 沿岸音響トモグラフィー

The coastal acoustic tomography experiment by three 4-kHz systems were conducted during July to August, 2009 in the Kurushima Strait where ship accidents frequently occur. The amplitude of volume transport for tidal currents through the strait varied in the range of 50,000～50,000m^3/s, following the fortnightly period of 14 days. The transport averaged over the fortnightly period (14 days) was 7,200m^3/s eastward over the error bar of 4,700m^3/s. The temperature variation of 5-day period was found in the Kurushima Strait and propagated eastward through the strait with the phase velocity of 0.45m/s.

2009年7月至8月，在船舶事故多发的来岛海峡，利用3台4kHz系统进行了海岸声层析成像实验。海峡潮流输送量的幅度在50,000～50,000m^3/s范围内变化，每两周一次，周期为14天。每两周（14 天）期间向东的平均输送速度为 7,200m^3/s，误差线为 4,700m^3/s。在来岛海峡发现了5天周期的气温变化，并以0.45m/s的相速度通过海峡向东传播。

项目成果

Reciprocal sound transmission measurement of mean current and temperature variations in the central part (Aki-nada) of the Seto Inland Sea, Japan

• DOI: 10.1007/s10872-011-0016-5
• 发表时间: 2011-04
• 期刊: Journal of Oceanography
• 影响因子: 2.3
• 作者: Yudi Adityawarman;A. Kaneko;K. Nakano;N. Taniguchi;K. Komai;Xinyu Guo;N. Gohda

Reciprocal sound transmission measurement of mean current and temperature variations in the central part(Aki-nada)of the Seto Inland Sea

濑户内海中部（秋滩）平均海流和温度变化的相互声传输测量

• 发表时间: 2011
• 期刊: Journal of Oceanography
• 影响因子: 2.3
• 作者: Y.Adityawarman;A.Kaneko;K.Nakano;N.Taniguchi;K.Komai;X.Guo;N.Gohda
• 通讯作者: N.Gohda

来島海峡音響トモグラフィー実験

来岛海峡声学断层扫描实验

• 发表时间: 2010
• 作者: 大島慶一郎;深町康;青木茂;清水大輔;田村岳史;北出裕二郎;平野大輔;牛尾収輝;橋田元;吉川久幸;中岡慎一郎;金子新
• 通讯作者: 金子新

Acoustic Measurement of Multisubtidal Internal Modes Generated in Hiroshima Bay, Japan

• DOI: 10.1109/joe.2009.2014933
• 发表时间: 2009-05
• 期刊: IEEE Journal of Oceanic Engineering
• 影响因子: 4.1
• 作者: H. Nguyen;A. Kaneko;Ju Lin;Keisuke Yamaguchi;N. Gohda;Yoshio Takasugi

Measurement of transport variations in the Kurushima Strait by the reciprocal sound transmission method

利用相互声传输法测量来岛海峡的输运变化

• 发表时间: 2011
• 期刊: Acoustical Science and Technology (submitted).
• 作者: Y.Adityawarman;A.Kaneko;N.Taniguchi;H.Mutsuda;K.Komai;X.Guo;N.Gohda
• 通讯作者: N.Gohda