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一次特强沙尘暴的微气象要素及PM10观测分析 预览 被引量:12

Observation and analysis of micro meteorology parameters and PMIO for an ultra strong dust-storm
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摘要 利用相关监测资料,对2006年3月9日特强沙尘暴过程近地层微气象要素变化特征及其与沙尘暴强度之间的关系进行了分析;同时分析了特强沙尘暴过程中PM10的变化特征。结果表明,地面蒙古气旋是形成这次特强沙尘暴的主要原因,沙尘暴过程中近地层微气象要素的变化特征与气旋的位置和强度有关;温、压、湿和风速变化均与沙尘暴的强度密切相关;PM10与沙尘暴的强度之间有很好的对应关系,特强沙尘暴时段PM10最大值超过140mg/m^3。 Using automatic weather station and China and South Korea's cooperative sandstorm monitoring system in Zhurihe weather station in the middle region of Inner Mongolia, meteorological parameters and other data were observed in this region. The relationship between the micro meteorological parameters near earth and the intensity of dust-storm on March 9, 2006 were analyzed. At the same time, the characteristic of PM10 were also analyzed for the dust storm by utilizing China and South Korea's cooperative sandstorm monitoring system data. The results show that the Mongolian cyclone is the main reason to form the ultra strong storm ; the variations of the micro meteorological parameters of near earth during the ultra strong storm relate to position and intensity of the cyclone ; Temperature , pressure , humidity and the wind speed are closely related to intensity of the sandstorm; PM10 and intensity of sandstorm have good corresponding relation each other, and the highest PM10 value exceed 140 mg/m3 when the storm is in its most violent interval.
作者 岳平 牛生杰 沈建国 葛增平 YUE Ping, NIU Sheng-jie,SHEN Jian-guo, GE Zeng-ping ( 1. Key Laboratory of Arid Climatic Changing and Reducing Disaster of Gansu Province/Opening Key Laboratory of Arid Climatic Changing and Reducing Disaster of CMA, Institute of Arid Meteorology, China Meteorological Administration, Lanzhou 730020, China; 2. Nanjing University of Information Science & Technology,Nanjing 210044, China; 3. Zhangye National Climatological Observatory, Zhangye 735000,China;4. Meteorology Research Institute of the Inner Mongolia, Hohhot 010051, China. )
出处 《自然灾害学报》 CSCD 北大核心 2009年第1期 118-123,共6页 Journal of Natural Disasters
基金 科技部公益专项资助项目(2005DIB3J108),国家自然基金(40765001,40705005)及甘肃省气象局科技处项目共同资助.
关键词 沙尘暴 气象要素 气溶胶 dust-storm meteorological parameters airosol
作者简介 岳平(1974-),男,工程师,博士生,主要从事沙尘天气与沙尘气溶胶研究,E—mail:jqyueping@126.com
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