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首页> 外文期刊>Journal of Physical Oceanography >Structure of the Baroclinic Tide Generated at Kaena Ridge, Hawaii
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Structure of the Baroclinic Tide Generated at Kaena Ridge, Hawaii

机译：在夏威夷的凯恩岭产生的斜压潮的结构

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摘要

Repeat transects of full-depth density and velocity are used to quantify generation and radiation of the semidiurnal internal tide from Kaena Ridge, Hawaii. A 20-km-long transect was sampled every 3 h using expendable current profilers and the absolute velocity profiler. Phase and amplitude of the baroclinic velocity, pressure, and vertical displacement were computed, as was the energy flux. Large barotropically induced isopycnal heaving and strong baroclinic energy-flux divergence are observed on the steep flanks of the ridge where upward and downward beams radiate off ridge. Directly above Kaena Ridge, strong kinetic energy density and weak net energy flux are argued to be a horizontally standing wave. The phasing of velocity and vertical displacements is consistent with this interpretation. Results compare favorably with the Merrifield and Holloway model.
机译：使用全深度密度和速度的重复样条来量化夏威夷Kaena Ridge的半日内潮的产生和辐射。每3小时使用消耗性电流剖面仪和绝对速度剖面仪对20公里长的样线进行采样。计算出斜压速度，压力和垂直位移的相位和振幅，以及能量通量。在山脊的陡峭侧翼上观察到了大的正压诱发的等腰隆起和强烈的斜压能量通量发散，在该处的上，下光束从山脊辐射出来。在Kaena山脊正上方，强动能密度和弱净能量通量被认为是水平驻波。速度和垂直位移的相位与此解释一致。结果与Merrifield和Holloway模型相比具有优势。

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