NSSC OpenIR  > 空间环境部
Determining the mechanism of cusp proton aurora
Xiao, Fuliang; Zong, Qiugang; Su, Zhenpeng; Yang, Chang; He, Zhaoguo; Wang, Yongfu; Gao, Zhonglei; Xiao, FL (reprint author), Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha 410004, Hunan, Peoples R China.
Department空间环境部
Source PublicationSCIENTIFIC REPORTS
2013
Volume3Pages:1654
ISSN2045-2322
Language英语
AbstractEarth's cusp proton aurora occurs near the prenoon and is primarily produced by the precipitation of solar energetic (2-10 keV) protons. Cusp auroral precipitation provides a direct source of energy for the high-latitude dayside upper atmosphere, contributing to chemical composition change and global climate variability. Previous studies have indicated that magnetic reconnection allows solar energetic protons to cross the magnetopause and enter the cusp region, producing cusp auroral precipitation. However, energetic protons are easily trapped in the cusp region due to a minimum magnetic field existing there. Hence, the mechanism of cusp proton aurora has remained a significant challenge for tens of years. Based on the satellite data and calculations of diffusion equation, we demonstrate that EMIC waves can yield the trapped proton scattering that causes cusp proton aurora. This moves forward a step toward identifying the generation mechanism of cusp proton aurora.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4976
Collection空间环境部
Corresponding AuthorXiao, FL (reprint author), Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha 410004, Hunan, Peoples R China.
Recommended Citation
GB/T 7714
Xiao, Fuliang,Zong, Qiugang,Su, Zhenpeng,et al. Determining the mechanism of cusp proton aurora[J]. SCIENTIFIC REPORTS,2013,3:1654.
APA Xiao, Fuliang.,Zong, Qiugang.,Su, Zhenpeng.,Yang, Chang.,He, Zhaoguo.,...&Xiao, FL .(2013).Determining the mechanism of cusp proton aurora.SCIENTIFIC REPORTS,3,1654.
MLA Xiao, Fuliang,et al."Determining the mechanism of cusp proton aurora".SCIENTIFIC REPORTS 3(2013):1654.
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