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气象:2005,31(1):45-49
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2002年秋季陕北地区一次锋面云系综合探测分析
(1.陕西省人工影响天气中心,西安 710015;2.陕西省延安市气象台)
An Observational Study of Cold Front Cloud System in the Northern Shaanxi Province in the Autumn 2002
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中文摘要: 使用载有粒子测量系统(PMS)、卫星全球定位系统(GPS)的飞机对2002年9月13日陕北地区一次降水性层状云系进行了有设计的催化、探测飞行。获取了云微物理背景值和影响值,分析发现:催化影响区内小冰晶数量产生了量级上的增加,雷达RHI融化层出现的局部凸起,可能是播撒液态二氧化碳催化后过冷云水消耗释放的溶解潜热导致融化层局部升温上抬形成。
Abstract:Precipitation stratiform cloud systems were detected and catalyzed by using airplane with airborne Particle Measuring Systems (PMS) and satellite Global Position System (GPS) in September 13, 2002 in the Northern Shaanxi Province. It shows that in the influenced areas by catalyzing the numbers of little ice crystals increased in order of magnitudes and partial melting layer's prominence in radar RHI was formed because of melting layer's increased local temperature. The cause may be the supercooled water consume melting latent thermal after LC catalysis.
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基金项目:国家科技部“西部开发科技行动”重大攻关项目 (2001BA901A41)课题资助
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引用文本:
陈保国,樊鹏,雷崇典,郭强,何军,2005.2002年秋季陕北地区一次锋面云系综合探测分析[J].气象,31(1):45-49.
,2005.An Observational Study of Cold Front Cloud System in the Northern Shaanxi Province in the Autumn 2002[J].Meteor Mon,31(1):45-49.