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首页> 外文期刊>Journal of Physical Oceanography >Near-Inertial Internal Wave Field in the Canada Basin from Ice-Tethered Profilers
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Near-Inertial Internal Wave Field in the Canada Basin from Ice-Tethered Profilers

机译：冰绳廓线仪在加拿大盆地的近惯性内波场

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摘要

Salinity and temperature profiles from drifting ice-tethered profilers in the Beaufort gyre region of the Canada Basin are used to characterize and quantify the regional near-inertial internal wave field over one year. Vertical displacements of potential density surfaces from the surface to 750-m depth are tracked from fall 2006 to fall 2007. Because of the time resolution and irregular sampling of the ice-tethered profilers, near-inertial frequency signals are marginally resolved. Complex demodulation is used to determine variations with a time scale of several days in the amplitude and phase of waves at a specified near-inertial frequency. Characteristics and variability of the wave field over the course of the year are investigated quantitatively and related to changes in surface wind forcing and sea ice cover.
机译：来自加拿大盆地Beaufort gyre地区的浮冰系留轮廓仪的盐度和温度剖面用于表征和量化一年内区域近惯性内波场。跟踪了从2006年秋季到2007年秋季从表面到750 m深度的潜在密度表面的垂直位移。由于时间分辨率和冰缆轮廓线的不规则采样，几乎惯性的频率信号得到了有限的分辨。复杂的解调用于确定在指定的近惯性频率下，波的振幅和相位具有几天时间尺度的变化。定量研究了一年中的波场特征和变化，并与地表风强迫和海冰覆盖的变化有关。

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  • 来源
    《Journal of Physical Oceanography》 |2014年第2期|413-426|共14页
  • 作者

    Hayley V. Dosser; Luc Rainville; John M. Toole;

  • 作者单位

    Applied Physics Laboratory, University of Washington, 1013 NE 40th Street, Seattle, WA 98105;

    Applied Physics Laboratory, University of Washington, Seattle, Washington;

    Department of Physical Oceanography, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts;

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