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题名: Model of Energy Spectrum Parameters of Ground Level Enhancement Events in Solar Cycle 23
作者: Wu, S. -S.; Qin, G.
作者部门: 空间科学部
通讯作者: Qin, G (reprint author), Harbin Inst Technol, Sch Sci, Shenzhen, Peoples R China.
刊名: JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
ISSN号: 2169-9380
出版日期: 2018
卷号: 123, 期号:1, 页码:76-92
收录类别: SCI
项目资助者: NNSFC [41574172, 41374177, 41125016]
英文摘要: Mewaldt et al. (2012) fitted the observations of the ground level enhancement (GLE) events during solar cycle 23 to the double power law equation to obtain the four spectral parameters, the normalization constant C, low-energy power law slope gamma(1), high-energy power law slope gamma(2), and break energy E-0. There are 16 GLEs from which we select 13 for study by excluding some events with complicated situation. We analyze the four parameters with conditions of the corresponding solar events. According to solar event conditions, we divide the GLEs into two groups, one with strong acceleration by interplanetary shocks and another one without strong acceleration. By fitting the four parameters with solar event conditions we obtain models of the parameters for the two groups of GLEs separately. Therefore, we establish a model of energy spectrum of solar cycle 23 GLEs, which may be used in prediction in the future.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.nssc.ac.cn/handle/122/6200
Appears in Collections:空间科学部_期刊论文

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