| 基于CloudSat探测的西南低涡对流云垂直结构特征 |
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| 引用本文： | 向朔育,李跃清,闵文彬,等.基于CloudSat探测的西南低涡对流云垂直结构特征[J].高原山地气象研究,2019,39(3):1-6. |
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| 作者姓名： | 向朔育 李跃清 闵文彬 等 |
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| 作者单位： | 1. 中国气象局成都高原气象研究所/高原与盆地暴雨旱涝灾害四川省重点实验室, 成都 610072; |
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| 基金项目： | 四川省气象局科学技术研究开发课题青年基金(川气课题2015-青年-04)国家自然科学基金重点项目(91337215) |
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| 摘 要： | 基于CloudSat卫星数据,结合多源常规和遥感等气象资料,研究分析了2013年8月6~7日的一次受西南低涡向西北方向移动发展影响的强降水天气过程中,对流云发展的三维结构和演变特征,结果表明:西南低涡发展有利于受其影响的对流云团发展为深厚对流云。西南低涡发展和成熟阶段低涡中心与强对流中心均不一致,强对流中心位于低涡中心以南。西南低涡不同发展阶段对流云团发展均符合“撒播-供水”机制。低涡发展成熟阶段对流云内部存在高温高湿中心。
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| 关 键 词： | 西南低涡 CloudSat 对流云垂直结构 |
| 收稿时间： | 2019-07-08 |
Vertical Structure of Convective Clouds in a Southwest Vortex Based on CloudSat Detection |
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| Affiliation: | 1. Chengdu Institute of Plateau Meteorological, China Meteorology Administration/Heavy Rain and Drought-Flood Disaster in Plateau and Basin Key Laboratory of Sichuan Province, Chengdu 610072, China;2. Meishan Municipal Meteorological Bureau, Meishan 620000, China |
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| Abstract: | Mainly based on CloudSat satellite data and combined with other multi-source meteorological data,the three-dimensional structure of convective clouds in a Southwest vortex which is moving towards the Northwest during August 6 to 7 in 2013 is analyzed in this paper.The main results are as follows,the development of Southwest vortex is conductive to the occurrence of deep convective cloud.The low vortex center and the strong convection center are not consistent both in the development and mature stage.The strong convection center lies to the south of low vortex center.The evolution of convective cloud conforms to the mechanism of “sowing and supplying water” in different stages of Southwest vortex.There is a high temperature and humidity center inside the convective cloud in the mature stage of Southwest vortex. |
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