| Deformation characteristics of the ‘7.20' heavy rainfall event in North China |
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| 基金项目： | supported by the Strategic Pilot Science and Technology Special Program of the Chinese Academy of Sciences(XDA17010105);the Special Scientific Research Fund of the Meteorological Public Welfare of the Ministry of Sciences and Technology(GYHY201406002);the Science and Technology Project of Guangzhou(201604020069);the National Natural Science Foundation of China(41505040,41575065,and 4177510);the Open Projects of the Plateau Atmosphere and Environment Key Laboratory of Sichuan Province(PAEKL-2015-K2) |
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| 摘 要： | 本文通过将变形引入到非均匀饱和湿大气动力框架下的非地转Q矢量中验证了变形对驱动与强降水有关的垂直运动中的重要性。进一步,为了将变形更好地应用于降水诊断,将变形与其他动热力因子结合,提出位势形变参数,并推导了其倾向方程。研究表明,位势形变与强降水有密切相关性,其包含与降水有关的关键动热力要素,从而使位势形变能够抓住强降水产生的动热力学要点,对降水有良好指示追踪意义。
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| 关 键 词： | 变形场 Q矢量 降水 上升运动 |
| 本文献已被 CNKI 维普 等数据库收录！ |
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