夏季积层混合云降水的宏微观特征及人工增雨可播性研究

doi:10.11924/j.issn.1000-6850.casb16030185

中国农学通报 ›› 2017, Vol. 33 ›› Issue (3): 126-134.doi: 10.11924/j.issn.1000-6850.casb16030185

所属专题：农业气象

• 资源环境生态土壤气象 • 上一篇下一篇

夏季积层混合云降水的宏微观特征及人工增雨可播性研究

孙鸿娉,李培仁,申东东,李义宇,封秋娟

山西省人工降雨防雹办公室,山西省人工降雨防雹办公室,山西省人工降雨防雹办公室,山西省人工降雨防雹办公室,山西省人工降雨防雹办公室

收稿日期:2016-03-25 修回日期:2017-01-05 接受日期:2016-06-15 出版日期:2017-02-10 发布日期:2017-02-10
通讯作者: 孙鸿娉
基金资助:
2007年山西省科技攻关项目(编号2007031106-2)、2010年中国气象局云雾物理环境重点开放实验室重点开放科研项目(编号2009Z0033)、2011年山西省气象局邻军人才项目《FY-2D/E 卫星综合观测资料反演云宏微观物理特性产品在人工影响天气中的应用研究》共同资助。

Evolution of Microphysical Characteristic Parameters of Stratiform Mixed Clouds in Summer and Artificial Precipitation Enhancement

Received:2016-03-25 Revised:2017-01-05 Accepted:2016-06-15 Online:2017-02-10 Published:2017-02-10

摘要/Abstract

摘要： 为了使FY-2C/D 卫星资料反演云系微物理特征参数更好地应用于人工影响天气作业中，利用2010 年8 月17—19 日山西夏季积层混合云降水过程的雷达、卫星、机载云物理探测平台的综合探测资料，对云系演变特征、人工增雨的可播性以及催化效果进行分析。结果表明：云系维持时间达35 h，17日白天到夜间云层不断增厚，云粒子有效半径(Re)稳定变化较小，降水少，云系的自然降水过程较弱，具有较好的增雨作业潜力。8 月17 日白天云顶温度-10℃，云滴有效半径小于12 μm，云系密实，云中过冷水含量丰沛，大粒子与冰晶含量较少；夜晚在高云的播种效应之下，产生较大降水；持续稳定的中低层状云系存在较好的增雨作业机会。综合分析可知，适宜于这次夏季积层混合云降水人工催化条件的卫星判据为：云系厚度大于2 km，云顶温度-10~-20℃，云顶云粒子有效半径小于15 μm。

关键词: 新生代农民工, 新生代农民工, 二元Logistic模型, 创业行为, 影响因素

Abstract: The paper aims to make better use of microphysical characteristic parameters inversed by FY-2C/D satellite data in weather modification operation, the characteristics of cloud system evolution, artificial precipitation enhancement and cloud seeding effect were analyzed by using the data of radar, satellite, airborne cloud physical detection platform at mixed convective stratiform cloud precipitation process in August 17-19, 2010, in Shanxi. The results showed that: the cloud maintain time was 35 hours, the clouds continued thickening, the cloud particle effective radius (Re) was stable and had little change, the precipitation was less, the natural precipitation of cloud system was weaker, with good potential for precipitation enhancement during the day and into the night of August 17. In the daytime, the cloud top temperature was -10℃, the cloud droplet effective radius was less than 12 μm, the clouds were dense, the cloud water content was abundant, and the large particles and ice content were fewer. In night, under the high cloud seeding effect, there was heavy precipitation; sustained and stable low stratiform clouds were better for precipitation enhancement operation. Comprehensive analysis showed that the satellite criterion which was suitable for artificial precipitation enhancement of laminated hybrid cloud precipitation in summer was: cloud thickness greater than 2 km, cloud top temperature of -10- -20℃, and genting cloud effective particle radius less than 15 μm.

孙鸿娉,李培仁,申东东,李义宇,封秋娟. 夏季积层混合云降水的宏微观特征及人工增雨可播性研究[J]. 中国农学通报, 2017, 33(3): 126-134.

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夏季积层混合云降水的宏微观特征及人工增雨可播性研究

Evolution of Microphysical Characteristic Parameters of Stratiform Mixed Clouds in Summer and Artificial Precipitation Enhancement

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