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首页> 外文期刊>日本海洋学会誌 >Response of a two-layer ocean with a baroclinic current to a moving storm, part I
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Response of a two-layer ocean with a baroclinic current to a moving storm, part I

机译：双层海洋与倒核电流到移动风暴的反应，第一部分

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摘要

A storm moves with a constant speed parallel to a stationary geostrophic current which flows only in the upper layer of a two-layer, infinite ocean. It is assumed that the lower layer is motionless. The quasi-geostrophic approximation is valid for a moving speed less than 4 ms?1 for a storm radius of 100 km. The primary change of the upper layer thickness is caused by the wind stress divergence and the time integral of the wind stress curl. A cyclonic storm generates upwelling in its wake. The effect of the stationary flow similar to a western boundary current is minor by an order of magnitude and noticeable only on the left edge of the flow. Scaling of equations of motion and continuity for a more general upper geostrophic flow leads to expansion with a parametera2=gεHm(fL)?2, wheregε is reduced gravity,Hm is the maximum thickness of the upper layer,f is Coriolis' parameter andL is the storm radius. The zeroth order perturbations of transport and thickness do not include the stationary flow which appears only in the first order perturbations ina2. When there is a coast, the change of the interface near the coast is dependent on the time integral of the wind stress component parallel to the coast, thus leading to upwelling or downwelling according to the center being to the left or right of the coastline.
机译：暴风雨的恒定速度平行于平行于静止的热性电流，该电流仅流动在两层无限海洋的上层。假设下层是一动不动的。准绿疗法近似对于少于4毫秒的移动速度为100km的温度半径有效。上层厚度的主要变化是由风应力发散和风力应力卷曲的时间整体引起的。飓风风暴在唤醒时产生了上涨。类似于西边界电流的静止流的效果在幅度的左右上轻微，并且仅在流的左边缘上显着。运动的运动方程和更通用的上嗜热流动的连续性缩放导致使用ParaterA2 =G∈Hm（FL）α2的膨胀，其中重力减小，HM是上层的最大厚度，F是科里奥利'参数ANDL风暴半径。运输和厚度的零顺序扰动不包括仅在第一阶扰动INA2中出现的静止流量。当有海岸时，海岸附近的接口的变化取决于与海岸平行的风力应力分量的时间整体，因此导致根据中心的左侧或搁在海岸线的左或右侧。

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  • 来源
    《日本海洋学会誌》 |1977年第3期|共10页
  • 作者

    Takashi Ichiye;

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  • 收录信息 美国《科学引文索引》(SCI);
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