黄河上游地区大气冰核浓度的观测研究  

Analysis of Observational Results of Content of Ice Nuclei in the Atmosphere in the Upper Reaches of Huanghe River

作　　者：李娟[1] 黄庚[1] 

机构地区：[1]中国气象科学研究院人工影响天气研究中心,北京100081

出　　处：《气象》2001年第11期8-12,共5页Meteorological Monthly

摘　　要：20 0 0年 8月在甘肃省玛曲县 ,利用Bigg型混合云室进行了四个温度下的大气冰核浓度的测量 ,分析了冰核浓度日变化的特点 ,以及随天气状况、气压等要素变化的关系。通过与北京、兰州、西宁等一些地区的观测结果的比较 ,可以看出在人为活动较少的玛曲 ,自然冰核和我国北方其他地区相比 ,接近于西宁、西安、北京 (1 963 )和大连等地的浓度值 ,而比甸子山及北京In August 2000, the content of ice nuclei in the atmosphere in Maqu area of Gansu Province was observed with mixing chamber. Then the feature of content′ variation in the days different, weather conditions and pressures is analyzed. By comparation with the results of Beijing , Lanzhou City,Xining City and some other regions , the content of ice nuclei in Maqu area is less than those of some other regions, such as Beijing in the 90s and Lanzhou City.Moreover, the content in Maqu area is close to the result of Beijing in 1963.

关 键 词：大气冰核浓度 云室 观测 气压 黄河上游地区 物理机制 人工增雨 降水 

分 类 号：P481[天文地球—大气科学及气象学]