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气象:2010,36(9):74-80
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河南春季一次层状冷云的微物理结构特征分析
(1.河南省人工影响天气中心, 郑州 450003 ;2.中国科学院大气物理研究所云降水物理与强风暴实验室, 北京 100029)
Microphysical Characteristics of a Precipitation Process in Henan Province
(1.Henan Weather Modi f icat ion Center, Zhengzhou 450003;2.Laboratory of Cloud Precipitation Physics and Severe Storms, Institute of  Atmosphere Physics, Chinese Academy of Sciences, Beijing 100029)
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投稿时间:2009-07-03    修订日期:2010-05-10
中文摘要: 利用2007年3月3日PMS粒子测量系统对河南层状云的探测资料,分析了云的微物理结构特征。结果表明, 云垂直和水平分布不均匀特性很明显。在云的中上部,FSSP 100测量的小云粒子(云滴、冰晶) 最大浓度为125个·cm-3,平均值为21.3个·cm-3, 平均直径多在6~20 μm。2D C观测大云粒子(50
Abstract:The cloud microphysical data sampled with probes of Particles Measuring System ( PMS) on 3 March 2007 in Henan Province are analyzed. The results show that the maximum number concentration of small particles sampled with FSSP 100 probe is 125 cm-3 at altitudes of 2875 m to 4600 m. The mean concentration is 21.3 cm-3. The mean diameter is around 6-20 μm. The data of 2D C probe show that the maximum number concentration of large particles changes from 5. 24 L-1 to 192 L-1. The maximum water content explored with King LWC probe is 0.035-0.118 g·m-3. The inversion is detected by aircraft ascending and descending on 3 March 2007. There is a peak value of liquid water content (LWC) below the top of the inversion layer. The cloud droplet spectra are analyzed. Both vertical and horizontal distributions in stratiform clouds show obviously inhomogeneous features.
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基金项目:河南省重大科技攻关项目(0522030400)、河南省气象科学技术研究项目(Z200407)共同资助
引用文本:
李铁林,雷恒池,刘艳华,张晓庆,2010.河南春季一次层状冷云的微物理结构特征分析[J].气象,36(9):74-80.
LI Tielin,LEI Hengchi,LIU Yanhua,ZHANG Xiaoqing,2010.Microphysical Characteristics of a Precipitation Process in Henan Province[J].Meteor Mon,36(9):74-80.