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The upper ocean response to tropical cyclones in the northwestern Pacific analyzed with Argo data

机译:利用Argo数据分析了西北太平洋上层海洋对热带气旋的响应

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摘要

A large number of autonomous profiling floats deployed in global oceans have provided abundant temperature and salinity profiles of the upper ocean. Many floats occasionally profile observations during the passage of tropical cyclones. These in-situ observations are valuable and useful in studying the ocean's response to tropical cyclones, which are rarely observed due to harsh weather conditions. In this paper, the upper ocean response to the tropical cyclones in the northwestern Pacific during 2000-2005 is analyzed and discussed based on the data from Argo profiling floats. Results suggest that the passage of tropical cyclones caused the deepening of mixed layer depth (MLD), cooling of mixed layer temperature (MLT), and freshening of mixed layer salinity (MLS). The change in MLT is negatively correlated to wind speed. The cooling of the MLT extended for 50-150 km on the right side of the cyclone track. The change of MLS is almost symmetrical in distribution on both sides of the track, and the change of MLD is negatively correlated to pre-cyclone initial MLD.
机译:部署在全球海洋中的大量自主剖面浮标提供了上层海洋丰富的温度和盐度分布。在热带气旋通过期间,许多浮标偶尔会剖析观测结果。这些原位观测对于研究海洋对热带气旋的反应是有价值的,并且很有用,由于恶劣的天气条件,这种现象很少被观察到。本文基于Argo剖面浮标的数据,对2000-2005年西北太平洋热带气旋的高空响应进行了分析和讨论。结果表明,热带气旋的通过导致混合层深度(MLD)的加深,混合层温度的降低(MLT)和混合层盐度(MLS)的新鲜化。 MLT的变化与风速负相关。 MLT的冷却在旋风轨道的右侧延伸了50-150公里。 MLS的变化在轨道的两侧几乎是对称分布的,并且MLD的变化与气旋前的初始MLD呈负相关。

著录项

  • 来源
    《中国海洋湖沼学报(英文版)》 |2007年第2期|123-131|共9页
  • 作者单位

    Second Institute of Oceanography,State Oceanic Administration,Hangzhou 310012,China;

    State Key Laboratory of Satellite Ocean Environment Dynamics,Second Institute of Oceanography,State Oceanic Administration,Hangzhou 310012,China;

    Second Institute of Oceanography,State Oceanic Administration,Hangzhou 310012,China;

    State Key Laboratory of Satellite Ocean Environment Dynamics,Second Institute of Oceanography,State Oceanic Administration,Hangzhou 310012,China;

    Second Institute of Oceanography,State Oceanic Administration,Hangzhou 310012,China;

    Second Institute of Oceanography,State Oceanic Administration,Hangzhou 310012,China;

    Hangzhou Meteorology Bureau,Hangzhou 310008,China;

  • 收录信息 中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 海洋学;
  • 关键词

    upper ocean; tropical cyclone; mixed layer; Argo data; northwestern Pacific;

    机译:上海洋;热带气旋;混合层;Argo资料;西北太平洋;
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