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气象:2014,40(2):196-205
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飞机积冰云微物理特征分析及监测技术研究
(1.北京大学物理学院,北京 100871;2.北京应用气象研究所,北京 100029)
Microphysical Property Analysis and Detection of Air Icing Clonds
(1.School of Physics Peking University, Beijing 100871;2.Beijing Institute of Applied Meteorology, Beijing 100029)
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投稿时间:2013-01-09    修订日期:2013-09-10
中文摘要: 利用7个架次有积冰报告的飞机探测资料,对积冰云的微物理特征进行了分析,详细描述了云中相态组成、液水含量、中值体积直径和过冷大滴浓度特征。介绍了基于卫星、数值模式输出和地面观测资料的飞机积冰潜势监测技术,在与20个飞机探测积冰报告对比中,积冰监测可识别率为90%,并应用飞机积冰潜势监测技术具体分析了2010年10月26日的积冰个例。最后介绍了基于积冰潜势监测技术的飞机积冰监测系统,该系统能够支持水平分辨率为20 km、垂直分辨率为25 hPa、时间分辨率为1 h的飞机积冰潜势产品的运算和显示,该系统可为实际业务提供参考。
Abstract:The cloud microphysical characteristics with aircraft icing during 7 flights are analyzed. The cloud phase, liquid water content, median volume diameter and the concentration of supercooled large droplets are described in detail. The aircraft icing potential monitoring technology which combines satellite, numerical model outputs and surface observations are introduced. In comparison with 20 icing reports during 2000-2010, it is found that it can detect 90% of icing correctly. The aircraft icing on 26 October 2010 is analyzed. Finally, the aircraft icing monitoring system based on aircraft icing potential detection technology is showed. The system determines the products of aircraft icing potential with horizontal resolution of 20 km, vertical resolution of 25 hPa, and temporal of 1 h. So, this system can be used in actual operations.
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基金项目:中国科学院战略性先导科技专项(XDA05040000)、公益性行业(气象)科研专项(GYHY201006047)、国家高技术研究发展计划(SQ2010AA1221583001)及国家自然科学基金项目(40775002、41075093和41175002)共同资助
引用文本:
王磊,李成才,赵增亮,姚志刚,2014.飞机积冰云微物理特征分析及监测技术研究[J].气象,40(2):196-205.
WANG Lei,LI Chengcai,ZHAO Zengliang,YAO Zhigang,2014.Microphysical Property Analysis and Detection of Air Icing Clonds[J].Meteor Mon,40(2):196-205.