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首页> 外文期刊>Journal of Physical Oceanography >Roles of Mesoscale Eddies in the Kuroshio Paths
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Roles of Mesoscale Eddies in the Kuroshio Paths

机译：中尺度涡旋在黑潮路径中的作用

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摘要

A high-resolution ocean general circulation model is developed to simulate connections between the Kuroshio path variations and mesoscale eddy activities as realistically as possible. The climatological mean of the modeled Kuroshio takes a nearshore nonlarge meander path. It is found that the model is capable of simulating two types of nonlarge meander state and a possible version of the large meander state. The offshore nonlarge meander is generated through interaction between the Kuroshio and an anticyclonic eddy. The large meander occurs just after significant intensification of the anticyclonic Kuroshio recirculation; successive intrusion of anticyclonic eddies from the upstream region is responsible for this process. Those anticyclonic eddies are advected by the Kuroshio from the region northeast of Luzon Island and increase the upstream Kuroshio volume transport on an interannual time scale. The cyclonic eddies propagating from the Kuroshio Extension region, on the other hand, weaken the Kuroshio meander after the merger, The Kuroshio path variations south of Japan thus seem to be closely related to eddy activities in the subtropical gyre system.
机译：开发了高分辨率的海洋总环流模型，以尽可能实际地模拟黑潮路径变化与中尺度涡旋活动之间的联系。模拟的黑潮的气候平均值采用近岸非大曲折路径。发现该模型能够模拟两种类型的非大曲折状态和大曲折状态的可能版本。离岸非大曲折是通过黑潮与反气旋涡之间的相互作用产生的。大的曲折发生在反气旋黑潮循环明显加剧之后。逆流旋涡从上游区域的连续入侵是造成这一过程的原因。这些反气旋涡被吕宋岛东北地区的黑潮吹走，并在每年的时间尺度上增加了黑潮的上游运输量。另一方面，从黑潮延伸区传播的气旋涡减弱了合并后的黑潮曲折，因此日本南部的黑潮路径变化似乎与亚热带回旋系统中的涡旋活动密切相关。

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