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首页> 外文期刊>Journal of Physical Oceanography >Eddy-Induced Diapycnal Fluxes and Their Role in the Maintenance of the Thermocline
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Eddy-Induced Diapycnal Fluxes and Their Role in the Maintenance of the Thermocline

机译：涡流引起的双渗透通量及其在维持温跃层中的作用

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摘要

High-resolution numerical experiments are diagnosed to study the integral effects of geostrophic eddy fluxes on the large-scale ocean circulation. Three characteristic large-scale flows are considered: 1) an anticyclonic single gyre, 2) a double gyre, and 3) an unblocked zonal flow, a simple analog of the Antarctic Circumpolar Current. It is found that buoyancy and potential vorticity budgets in the presence of eddies are dominated by a balance between vertical advection into the control volume by Ekman pumping and eddy transfer across the density surfaces achieved by diapycnal eddy fluxes, with small-scale mixing making only a minor contribution. Possible oceanographic implications of the results are discussed.
机译：诊断高分辨率数值实验以研究地转涡流对大规模海洋环流的积分作用。考虑了三个特征性的大规模流：1）反气旋单回旋管，2）双回旋管，和3）无阻塞的纬向流，这是南极绕极流的简单模拟。发现在存在涡流的情况下，浮力和潜在涡度的预算主要由通过埃克曼泵抽入控制体积的垂直对流和由二面通涡流在密度表面上进行的涡流转移之间的平衡所决定，小规模混合仅使较小的贡献。讨论了结果可能对海洋产生的影响。

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