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The Distributions of Iron Average Charge States in Small Flux Ropes in Interplanetary Space: Clues to Their Twisted Structures
Huang, Jia; Liu, Yong C-M; Peng, Jun; Qi, Zhaohui; Li, Hui; Klecker, Berndt; Song, Hongqiang; Zheng, Jinlei; Hu, Qiang
作者部门空间科学部
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
2018
卷号123期号:9页码:7167-7180
DOI10.1029/2018JA025660
ISSN2169-9380
语种英语
关键词small flux rope average iron charge states distribution twist structures formation solar wind
摘要Small flux ropes (SFRs) have been studied for decades, but their source regions and formation mechanisms are still under debate. In this study, we focus on the formation mechanism of the twisted structures of SFRs. Current research on magnetic clouds suggests five-type distributions of the time structure of iron average charge states (Q()), which imply different formation mechanisms of twisted structures. We use a similar method to identify the Q() types of 25 SFRs. However, only four of these five types of distributions are found among these SFRs. Because different origins of SFRs are characteristically affecting the formation of Q() types, the possible source regions of these SFRs are distinguished. With additional compositional parameters, SFRs are reconfirmed to originate from two types of source regions: the solar corona and the interplanetary medium. Based on these results, our analysis indicates that the twisted structures of SFRs originating from the solar corona may be formed predominately during eruptions. SFRs originating from interplanetary space are related to complex magnetic reconnection processes, which may result in intricate Q() distributions due to the reconstruction of magnetic field topology.
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文献类型期刊论文
条目标识符http://ir.nssc.ac.cn/handle/122/6571
专题空间科学部
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GB/T 7714
Huang, Jia,Liu, Yong C-M,Peng, Jun,et al. The Distributions of Iron Average Charge States in Small Flux Ropes in Interplanetary Space: Clues to Their Twisted Structures[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2018,123(9):7167-7180.
APA Huang, Jia.,Liu, Yong C-M.,Peng, Jun.,Qi, Zhaohui.,Li, Hui.,...&Hu, Qiang.(2018).The Distributions of Iron Average Charge States in Small Flux Ropes in Interplanetary Space: Clues to Their Twisted Structures.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,123(9),7167-7180.
MLA Huang, Jia,et al."The Distributions of Iron Average Charge States in Small Flux Ropes in Interplanetary Space: Clues to Their Twisted Structures".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 123.9(2018):7167-7180.
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