地磁扰动期间热层大气N_2数密度异常增变
The abnormal variation of N_2 number density in thermosphere during geomagnetic disturbance
查看参考文献13篇
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文摘
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采用天宫一号轨道大气环境探测器的在轨探测数据,分析了2012年3月和10月地磁扰动期间的热层大气成分数据,对磁暴期间N——2异常增变的涨幅、时间、空间特性,低纬地区N_2异常增变特点,以及冬夏半球N_2异常增变的差异进行探讨,探讨认为:N_2数密度的异常增变与地磁扰动及其扰动程度密切相关,增变现象通常出现在夏半球高纬区域上空,磁扰期间所出现的N2数密度异常增变现象与地磁扰动对热层大气加热机理紧密相关. |
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其他语种文摘
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The response of N_2 number density in thermosohere during two geomagnetic disturbance on March and October 2012 is analysed in this paper, data taken by Atmospheric Environment Detector on board Tiangong-1 spacecraft are used. Discuss the abnormal increase range, time and space characteristics, low latitude distribution and features of summer and winter hemisphere of N_2 number density during the geomagnetic storms. These results are as follows: the abnormal increase of N_2 number density is closely related to geomagnetic disturbance and its intensity, abnormal increase phenomenon usually appears in the high latitudes region of summer hemisphere, N_2 number density increase during the geomagnetic disturbance is closely related to the mechanism of atmospheric heat. |
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来源
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中国科学. 技术科学
,2014,44(8):883-889 【核心库】
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DOI
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10.1360/092013-1117
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关键词
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热层大气
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大气成分
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地磁暴
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大气密度
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地址
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中国科学院空间科学与应用研究中心, 北京, 100190
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1674-7259 |
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学科
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机械、仪表工业 |
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基金
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国家921工程项目
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文献收藏号
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CSCD:5219126
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