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首页> 外文期刊>Nonlinear processes in geophysics >The turnstile mechanism across the Kuroshio current: analysis of dynamics in altimeter velocity fields
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The turnstile mechanism across the Kuroshio current: analysis of dynamics in altimeter velocity fields

机译：跨越黑潮的旋转闸门机制：高度计速度场的动力学分析

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摘要

In this article we explore the utility of dynamical systems tools for visualizing transport in oceanic flows described by data sets measured from satellites. In particular we have found the geometrical skeleton of some transport processes in the Kuroshio region. To this end we have computed the special hyperbolic trajectories, and identified them as distinguished hyperbolic trajectories, that act as organizing centres of the flow. We have computed their stable and unstable manifolds, and they reveal that the turnstile mechanism is at work during several spring months in the year 2003 across the Kuroshio current. We have found that near the hyperbolic trajectories takes place a filamentous transport front-cross the current that mixes waters from both sides.
机译：在本文中，我们探索了动力学系统工具的实用程序，该工具可用于可视化由卫星测得的数据集描述的海流中的运输。特别是我们发现了黑潮地区某些运输过程的几何骨架。为此，我们计算了特殊的双曲线轨迹，并将其识别为不同的双曲线轨迹，它们充当流的组织中心。我们已经计算出它们的稳定和不稳定歧管，并且他们揭示了在2003年春季的黑潮中，旋转门机制一直在起作用。我们已经发现，在双曲线轨迹附近发生了一条丝状的运输前沿，横穿水流将两侧的水混合在一起。

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