| 一次暴雨过程的重力波特征分析 |
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| 引用本文： | 刘佳,王文.一次暴雨过程的重力波特征分析[J].甘肃气象,2010,28(1):65-70,75. |
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| 作者姓名： | 刘佳 王文 |
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| 作者单位： | 南京信息工程大学大气科学学院江苏省气象灾害重点实验室; |
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| 基金项目： | 高原气象开放实验室基金(LPM2009003);;灾害天气国家重点实验室开放课题(2009LASW-B09)资助 |
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| 摘 要： | 选取四川省的一次暴雨个例分析研究大气中对流活动和重力波的相互内在联系。针对这次暴雨过程,采用MICAPS探空资料和天气雷达资料,并且结合天气学分析以及重力波指数的分析方法对暴雨的形成原因和重力波的机制进行了研究。结果表明:重力波与暴雨有一定的内在联系,重力波引导了暴雨的发展;非线性平衡方程对于诊断大幅度的重力波有很好的指示作用。
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| 关 键 词： | 暴雨 重力波 理查逊数 非线性平衡方程 |
Characteristics of Gravity Wave During a Rainstorm Process |
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| LIU Jia,WANG Wen.Characteristics of Gravity Wave During a Rainstorm Process[J].Gansu Meteorology,2010,28(1):65-70,75. |
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| Authors: | LIU Jia WANG Wen |
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| Institution: | Department of Atmospheric Sciences;Nanjing University of Information Science & Technology;Jiangsu Key Laboratory of Meteorological Disaster;Nanjing 210044;China |
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| Abstract: | This paper selected a rainstorm case occurred in Sichuan Province to study the relationship between gravity wave and the convection movement of atmosphere.Focused on the triggering mechanism and formation reason of the rainstorm,the case is studied by using Micaps data and weather radar images,combined with the synoptic analysis and gravity wave index methods.The result demonstrated that there was close relationship between gravity wave and the rainstorm,and gravity wave led to the development of the rainst... |
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| Keywords: | rainstorm gravity wave Ri NBE |
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