Acoustic tsunami velocimeter

声学海啸测速仪

• 批准号: 24651201
• 负责人: KANEKO Arata
• 金额: $ 2.58万
• 依托单位: Hiroshima University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Challenging Exploratory Research
• 财政年份: 2012
• 资助国家: 日本
• 起止时间: 2012-04-01 至 2014-03-31
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-24651201/
• 关键词: 津波; 計測; 予測; 音響津波流速計; 海中音波伝播

The coastal acoustic tomography systems (CATSs) were set up at the edge of the breakwater on both the Honshu and Shikoku sides of Akinada, located at the central part of the Seto Inland Sea. Then the reciprocal sound transmission experiment was performed every 5-10 minutes between two CATSs and path-averaged currents were calculated with the accuracy of 1 cm/s from the differential travel time data. This method is applicable to the measurement of weak tidal waves because the current measurement accuracy of 1 cm/s corresponds to the sea surface height measurement accuracy of 2 cm. Tidal waves were measured instead of tsunamis since there were no tsunami generation during the project. It is concluded that this method is also applicable to tsunamis which is the same surface gravity waves as the tidal waves.

海岸声层析成像系统（cats）设置在位于濑户内海中部的秋田本州和四国两侧的防波堤边缘。然后，每隔5-10分钟在两个cats之间进行声波互传实验，并根据差分走时数据以1 cm/s的精度计算路径平均电流。该方法适用于弱潮汐波的测量，因为1 cm/s的海流测量精度对应于2 cm的海面高度测量精度。由于工程期间没有发生海啸，所以没有测量海啸，而是测量了潮汐波。结果表明，该方法同样适用于与潮汐波相同的表面重力波海啸。

项目成果

Measuring the Kuroshio Current with ocean acoustic tomography.

• DOI: 10.1121/1.4818842
• 发表时间: 2013-10
• 期刊: The Journal of the Acoustical Society of America
• 作者: N. Taniguchi;Chen-Fen Huang;A. Kaneko;Cho‐Teng Liu;B. Howe;Yu-Huai Wang;Yih Yang;Ju Lin

2013, Long-term sound transmission experiment for climate change study of the Seto Inland Sea, Japan, Proc. 1^<st> International Conference on Underwater coustics

2013，濑户内海气候变化研究的长期声音传输实验，日本，Proc.

• 发表时间: 2013
• 期刊: Corfu, Greece
• 作者: Arata Kaneko;Naokazu Taniguchi;Chuanzheng Zhang;Xiaohua Zhu;Masaya Yukihira;Hong Zheng and Noriaki Gohda
• 通讯作者: Hong Zheng and Noriaki Gohda

Mapping tidal currents, vortices and divergences in Zhitouyang Bay, China, using coastal acoustic tomography

利用海岸声学层析成像技术绘制中国直头洋湾的潮流、涡流和辐散图

• 发表时间: 2012
• 作者: Xiao-Hua. Zhu;Arata Kaneko;Qingsong Wu;Chuanzheng Zhang;Naokazu Taniguchi and Noriaki Gohda
• 通讯作者: Naokazu Taniguchi and Noriaki Gohda

Long-range acoustic monitoring of environmental variations in a semi-enclosed sea with application to tsunami monitoring

半封闭海域环境变化的远程声学监测及其在海啸监测中的应用

• 发表时间: 2012
• 作者: A. Kaneko.;C. Zhang;R. Takahashi;J. Lin;X. Guo;H. Zheng and N. Gohda,
• 通讯作者: H. Zheng and N. Gohda,

Long-term sound transmission experiment for climate change study of the Seto Inland Sea, Japan

日本濑户内海气候变化研究的长期声音传输实验

• 发表时间: 2013
• 期刊: Proc. 1st International Conference on Underwater Acoustics
• 作者: Arata Kaneko;Naokazu Taniguchi;Chuanzheng Zhang;Xiaohua Zhu
• 通讯作者: Xiaohua Zhu