文献类型：期刊文献

中文题名：Some properties of field-aligned electron events in high-altitude polar regions

英文题名：Some properties of field-aligned electron events in high-altitude polar regions

作者：Zhang ZiYing[1];Shi JianKui[2];Zhou MingQuan[1];Cheng ZhengWei[2];Zhou Hua[3]

第一作者：Zhang ZiYing

通讯作者：Zhang, ZY[1]

机构：[1]Beijing Normal Univ, Coll Informat Sci & Technol, Beijing 100875, Peoples R China;[2]Natl Space Sci Ctr, State Key Lab Space Weather, Beijing 100190, Peoples R China;[3]Beijing Union Univ, Coll Appl Arts & Sci, Beijing 100191, Peoples R China

第一机构：Beijing Normal Univ, Coll Informat Sci & Technol, Beijing 100875, Peoples R China

通讯机构：[1]corresponding author), Beijing Normal Univ, Coll Informat Sci & Technol, Beijing 100875, Peoples R China.

年份：2016

卷号：0

期号：2

起止页码：436-444

中文期刊名：中国科学：地球科学英文版

外文期刊名：SCIENCE CHINA-EARTH SCIENCES

收录：;EI(收录号：20153201109288);Scopus(收录号：2-s2.0-84955758274);WOS:【SCI-EXPANDED(收录号:WOS:000371281100020)】；CSCD:【CSCD2015_2016】；

基金：We thank the PEACE and FGM instrument teams and the CAA for providing the data. This work was supported by the National Natural Science Foundation of China (Grant Nos. 41274146, 41474137 and 41374169) and the Specialized Research Fund for State Key Laboratory in China.

语种：英文

中文关键词：子事件;电子性质;高海拔地区;国际货币基金组织;流动观测;时间分布;行星际磁场;短寿命

外文关键词：Field-aligned electron; IMF By; High-altitude polar region

摘要：Using data from the Cluster spacecraft from January 2003 to December 2004, we perform a statistical study on some properties of the field-aligned electron(FAE) events and interplanetary magnetic field(IMF) By dependence of FAE events with different durations in high-altitude polar regions. A total of 1335 FAE events were observed by the C3 spacecraft. More down-flowing events were observed in the Southern Hemisphere, and more up-flowing events were observed in the Northern Hemisphere. It proves that down-flowing events mainly originate from magnetosphere or solar wind and up-flowing events are mainly derived from ionosphere. Short-lifetime events showed a morning concentration in the magnetic local time distribution, and long-lifetime events were concentrated both before and after noon. For the IMF By dependence of the FAE events, short-lifetime events were much affected by IMF By and resulted in a morning concentration, while the long-lifetime events were almost unaffected by IMF By. With further analysis, we determined that the short-lifetime and long-lifetime events had different sources.
Using data from the Cluster spacecraft from January 2003 to December 2004, we perform a statistical study on some properties of the field-aligned electron (FAE) events and interplanetary magnetic field (IMF) B-y dependence of FAE events with different durations in high-altitude polar regions. A total of 1335 FAE events were observed by the C3 spacecraft. More down-flowing events were observed in the Southern Hemisphere, and more up-flowing events were observed in the Northern Hemisphere. It proves that down-flowing events mainly originate from magnetosphere or solar wind and up-flowing events are mainly derived from ionosphere. Short-lifetime events showed a morning concentration in the magnetic local time distribution, and long-lifetime events were concentrated both before and after noon. For the IMF B-y dependence of the FAE events, short-lifetime events were much affected by IMF B-y and resulted in a morning concentration, while the long-lifetime events were almost unaffected by IMF B-y. With further analysis, we determined that the short-lifetime and long-lifetime events had different sources.