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doi:  10.12013/qxyjzyj2017-026
热带气旋外眼墙形成机制研究综述

A Review of the Mechanism of the Secondary Eyewall Formation and Maintenance in Tropical Cyclone
摘要点击 298  全文点击 223  投稿时间:2017-05-26  修订日期:2017-08-15
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基金:  国家自然科学基金项目(编号:41675058)
中文关键词:  热带气旋,外眼墙形成,物理机制,综述
英文关键词:  ropicalcyclone  secondaryeyewall  physicalmechanism  review
     
作者中文名作者英文名单位
杨雯Yang Wen国防科学技术大学 气象海洋学院
黄珊Huang Shan解放军94116部队
引用:杨雯,黄珊.2017,热带气旋外眼墙形成机制研究综述[J].气象与减灾研究,40(3):165-170
中文摘要:
      介绍了国内外关于热带气旋外眼墙形成和维持过程的相关研究进展,包括大尺度环境场和热带气旋涡旋内部动力学过程,如涡旋罗斯贝波理论、轴对称化过程、涡丝化作用、β-skirt轴对称化外眼墙形成假说和边界层非平衡动力过程等。随着对外眼墙形成机理研究的不断深入,当前存在多种外眼墙形成的机制理论,而这些机制均强调在外眼墙的形成阶段,热带气 旋外围有大量对流及位势涡度扰动的发生发展。因此,热带气旋外眼墙的形成很有可能是多种机制相互作用导致的。最后,提出研究多种机制相互作用导致外眼墙处的对流和位势涡度扰动的发生发展过程具有重大意义。
Abstract:
      The researches on the mechanism of the secondary eyewall formation and maintenance were introduced in this paper, including the large-scale environmental field and the vortex internal dynamics processes such as Vortex Rossby waves theory, axisymmetrization process, filamentation, β-skirt axisymmetrization hypothesis and boundary layer unbalanced dynamics process. With the development of secondary eyewall formation mechanism, it was suggested that the interactions of multiple mechanisms may lead to secondary eyewall formation. In addition, several mechanisms emphasized that a large number of outer convections and potential vorticity disturbances occurred during the secondary eyewall formation period. Therefore, it is of great significance to study the development process of the multiple mechanisms interactions, which can result in the outer convections and potential vorticity disturbances.
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