NSSC OpenIR
锡林浩特市火山地质公园平台山顶近地面大气电场变化特征
Alternative TitleCharacteristics of the Near-surface Atmospheric Electric Field over the Top of a Flat Mountain in Xilin Hot Volcano Geopark
吴晗; 陈涛; 李仁康; 何兆海; 张华伟; 罗静; 罗福山; 王迺权; 董伟
Source Publication空间科学学报
2020
Volume40Issue:3Pages:357-363; AR:0254-6124(2020)40:3<357:XLGTSH>2.0.TX;2-2
ISSN0254-6124
Language中文
Keyword晴天大气电场 气球测量系统 火山灰石地表 Fair-weather atmospheric electric field Balloon measurement system Volcanic limestone surface
Abstract大气电场强度是大气电学的重要参数.大气电场的准确测量对雷暴和地震的监测、预警等具有重要的意义.利用2015年8月27日气球搭载大气电场仪测量近地面大气电场实验得到的电场数据,分析在特殊地形表面近地面500 m高度内大气电场强度随高度的变化特征.结果表明:晴天条件下,火山喷发形成的熔岩平台山顶上空近地面大气电场强度随高度增加呈指数递减,大气电场的数值和变化范围均较大,尤其是近地面100 m高度内,大气电场值达到lkV·m~(-1)以上.此外,还通过经验公式得出了近火山灰石地表的大气电导率.受空气中重离子的影响,其电导率远小于全球大气电导率的平均值.实验结果丰富了在特殊地形下大气电场的测量结果,揭示了中国内蒙古锡林浩特地区火山山顶近地面大气电场强度随高度的变化特征.
Other AbstractThe intensity of the atmospheric electric field is an important parameter of atmospheric electricity. Accurate measurements of the atmospheric electric field are important for the monitoring and warning of thunderstorms and earthquakes. In this paper, the electric field data obtained by a balloon experiment of measuring the near-surface atmospheric electric field on 27 August 2015 is used to study the distribution of the atmospheric electric field with height within 500 m near the Earth surface. The results show that fair-weather atmospheric electric field value over the top of a flat mountain rises exponentially with height. Both the values and range of the atmospheric electric field are large, especially within the height of 100 m, and the value can reach lkV·m~(-1) or more. In addition, the empirical formula is used to derive the atmospheric conductivity near the surface of the Earth. Influenced by heavy ions in the air, the conductivity is much smaller than the average of global atmospheric conductivity. The results of this experiment not only enrich the observations of the atmospheric electric field under special terrain condition, but also reveal the distribution of electric field with height in the near-surface atmosphere of an extinct volcano in Xilin Hot, Inner Mongolia Area, China.
Indexed ByCSCD
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7414
Collection中国科学院国家空间科学中心
Affiliation1.吴晗, 中国科学院国家空间科学中心
2.中国科学院大学, 空间天气学国家重点实验室
3.北京
4.北京 100190
5.100049, 中国.
6.陈涛, 中国科学院国家空间科学中心, 空间天气学国家重点实验室, 北京 100190, 中国.
7.何兆海, 中国科学院国家空间科学中心, 空间天气学国家重点实验室, 北京 100190, 中国.
8.张华伟, 中国科学院国家空间科学中心, 空间天气学国家重点实验室, 北京 100190, 中国.
9.罗静, 中国科学院国家空间科学中心, 空间天气学国家重点实验室, 北京 100190, 中国.
10.罗福山, 中国科学院国家空间科学中心, 空间天气学国家重点实验室, 北京 100190, 中国.
11.王迺权, 中国科学院国家空间科学中心, 空间天气学国家重点实验室, 北京 100190, 中国.
12.董伟, 中国科学院国家空间科学中心, 空间天气学国家重点实验室, 北京 100190, 中国.
13.李仁康, 云南师范大学物理与电子信息学院, 昆明, 云南 650500, 中国.
14.Wu Han, National Space Science Center, Chinese Academy of Sciences
15.University of Chinese Academy of Sciences, State Key Laboratory of Space Weather
16.Beijing
17.Beijing 100190
18.100049.
19.Chen Tao, National Space Science Center, Chinese Academy of Sciences, State Key Laboratory of Space Weather, Beijing 100190, China.
20.He Zhaohai, National Space Science Center, Chinese Academy of Sciences, State Key Laboratory of Space Weather, Beijing 100190, China.
21.Zhang Huawei, National Space Science Center, Chinese Academy of Sciences, State Key Laboratory of Space Weather, Beijing 100190, China.
22.Luo Jing, National Space Science Center, Chinese Academy of Sciences, State Key Laboratory of Space Weather, Beijing 100190, China.
23.Luo Fushan, National Space Science Center, Chinese Academy of Sciences, State Key Laboratory of Space Weather, Beijing 100190, China.
24.Wang Naiquan, National Space Science Center, Chinese Academy of Sciences, State Key Laboratory of Space Weather, Beijing 100190, China.
25.Dong Wei, National Space Science Center, Chinese Academy of Sciences, State Key Laboratory of Space Weather, Beijing 100190, China.
26.Li Renkang, College of Physics and Electronic Information, Yunnan Normal University, Kunming, Yunnan 650500, China.
27.tchen@nssc.ac.cn
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GB/T 7714
吴晗,陈涛,李仁康,等. 锡林浩特市火山地质公园平台山顶近地面大气电场变化特征[J]. 空间科学学报,2020,40(3):357-363; AR:0254-6124(2020)40:3<357:XLGTSH>2.0.TX;2-2.
APA 吴晗.,陈涛.,李仁康.,何兆海.,张华伟.,...&董伟.(2020).锡林浩特市火山地质公园平台山顶近地面大气电场变化特征.空间科学学报,40(3),357-363; AR:0254-6124(2020)40:3<357:XLGTSH>2.0.TX;2-2.
MLA 吴晗,et al."锡林浩特市火山地质公园平台山顶近地面大气电场变化特征".空间科学学报 40.3(2020):357-363; AR:0254-6124(2020)40:3<357:XLGTSH>2.0.TX;2-2.
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