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Gas Bubbles as Oceanographic Tracers

机译:气泡作为海洋示踪剂

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摘要

Air bubbles can be used as oceanographic tracers that indicate the strength of a downwelling current by which they are subducted. In a tidal front in the Fraser Estuary, British Columbia, Canada, vertical currents of up to 0.70 m s~(-1) subduct bubbles to depths of more than 160 m. Echo sounder measurements are compared with simultaneous ADCP current measurements and are interpreted with a bubble model by S. A. Thorpe, yielding an estimate of the vertical current that carries the bubbles to the depth of measurement.
机译:气泡可以用作海洋示踪剂,指示气泡被俯冲的下降流的强度。在加拿大不列颠哥伦比亚省的弗雷泽河口的潮汐带,垂直流高达0.70 m s〜(-1)的俯冲带气泡深度超过160 m。将回声测深仪的测量结果与同时进行的ADCP电流测量结果进行比较,并由S. A. Thorpe用气泡模型进行解释,从而得出将气泡带到测量深度的垂直电流的估计值。

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  • 来源
    《Journal of atmospheric and oceanic technology》 |2010年第1期|241-245|共5页
  • 作者单位

    Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, Los Angeles, CA 90095;

    Graduate School of Oceanography, University of Rhode Island, Narragansett, Rhode Island;

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  • 正文语种 eng
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