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首页> 外文会议>10th Western Pacific Acoustics Conference. >Influence of Warm Mesoscale Eddy on Sound Propagation in the Region of Kuroshio
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Influence of Warm Mesoscale Eddy on Sound Propagation in the Region of Kuroshio

机译：中尺度热涡对黑潮地区声音传播的影响

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摘要

The results of sound propagation through the warm mesoscale eddy in the region of Kuroshio in the Northwest Pacific are presented. This eddy was located inside the frontal zone separating cold subarctic and warm subtropical waters. The eddy core lied at a point about 39°N, 149°E. Horizontal size of the eddy was about 350 km, vertical size was about 600 m. Such eddies are called synoptic or mesoscale eddies. Continuous acoustic signals at the frequencies of 232 Hz and 696 Hz were emitted by the sources towed at the depth of 100 m along different traces in accordance with removal from the receiver point to the maximum distance of about 430 km. Signals were received using the drifting system fitted with hydrophones at different depth from 100 m to 1000 m. One of the receiving systems was located in the core of the eddy, another out of the core. In addition, the measurements of acoustic signals were obtained at different received points at the distance of about 430 km when the power acoustic source changed its depth from 100 m to 800 m. The influence of such eddies on sound propagation was shown. The results of experimental measurements were compared with the calculations of the acoustic field.
机译：给出了在西北太平洋黑潮地区通过暖中尺度涡旋传播声音的结果。该涡流位于分隔北极亚寒水和亚热带暖水的额叶区域内。涡流核心位于约39°N，149°E的一点。涡流的水平尺寸约为350 km，垂直尺寸约为600 m。这种涡流称为天气涡流或中尺度涡流。根据从接收器点移至约430 km的最大距离，在100 m深度处被拖曳的源沿着232 Hz和696 Hz的频率发出连续的声信号。使用装有水听器的漂移系统在100 m至1000 m的不同深度接收信号。一个接收系统位于涡流的核心，另一个位于核心之外。另外，当功率声源的深度从100 m更改为800 m时，在大约430 km距离的不同接收点处获得了声信号的测量结果。显示了这种涡流对声音传播的影响。实验测量的结果与声场的计算结果进行了比较。

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  • 来源
  • 会议地点 Beijing(CN);Beijing(CN)
  • 作者

    V.A.Akulichev; L.K.Bugaeva; Yu.N.Morgunov; Yu.A.Polovinka; A.A.Solovjev;

  • 作者单位

    V.I.Il’ichev Pacific Oceanological Institute,Far Eastern Branch of the Russian Academy of Sciences,Vladivostok 690041,Russia;

    V.I.Il’ichev Pacific Oceanological Institute,Far Eastern Branch of the Russian Academy of Sciences,Vladivostok 690041,Russia;

    V.I.Il’ichev Pacific Oceanological Institute,Far Eastern Branch of the Russian Academy of Sciences,Vladivostok 690041,Russia;

    V.I.Il’ichev Pacific Oceanological Institute,Far Eastern Branch of the Russian Academy of Sciences,Vladivostok 690041,Russia;

    V.I.Il’ichev Pacific Oceanological Institute,Far Eastern Branch of the Russian Academy of Sciences,Vladivostok 690041,Russia;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 声学;声学;
  • 关键词

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