第23至24周太阳质子事件的统计特征

白铁男; 乐贵明; 赵浩峰

doi:10.11728/cjss2017.06.649

第23至24周太阳质子事件的统计特征

doi: 10.11728/cjss2017.06.649

白铁男^1,2,3,
乐贵明^2,3,
赵浩峰¹

1. 南京信息工程大学数学与统计学院南京 210044;
2. 中国气象局空间天气重点开放实验室北京 100081;
3. 国家空间天气监测预警中心北京 100081

基金项目:

国家自然科学基金项目（41074132，41274193，41474166）和质检总局行业专项（200710123）共同资助

详细信息

作者简介:
乐贵明,legm@cma.gov.cn

中图分类号: P353
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出版历程
- 收稿日期: 2016-12-07
- 修回日期: 2017-05-21
- 刊出日期: 2017-11-15

Statistical Properties of Solar Proton Events during Solar Cycle 23 and 24

1. Department of Physics and Optoelectronic Technology, Nanjing University of InformationScience and Technology, Nanjing 210044;
2. Key Laboratory of Space Weather, China Meteorological Administration, Beijing 100081;
3. National Center for Space Weather, Beijing 100081

摘要

摘要: 第23至24太阳活动周（1997-2016年）期间太阳质子事件的强度统计分析表明，1997-2016年期间总共发生了128个太阳质子事件，其中峰值通量范围为10~99pfu，100~999pfu，1000~2999pfu及>3000pfu的事件分别占55.15%，27.94%，9.56%，7.35%.太阳质子事件的不对称性分析表明，不同强度太阳质子事件东西不对称性的程度不相同，其中1000~2999pfu事件的不对称性最强，而3000pfu以上事件的不对称性最弱.第23周期间，太阳质子事件主要发生在太阳活动周两个峰值之间和最大峰值之后的时段，而第24周太阳质子事件主要发生在太阳活动周最大峰值之前.
- 太阳黑子 /
- 质子事件 /
- 不对称性 /
- 太阳活动周
Abstract: There were totally 128 Solar Proton Events (SPEs) from 1997 to 2016. Their peak flux ranges are from 10pfu to 99pfu, 100 to 999pfu, 1000 to 2999pfu and greater than 3000pfu, and the percentage is 55.15%, 27.94%, 9.56% and 7.35% respectively. The results show that SPEs with different peak flux have different asymmetry. The SPEs with peak flux ranged from 1000pfu to 2999pfu have the largest asymmetry, while those with peak flux greater than 3000pfu have smallest asymmetry. In Solar Cycle 23, the SPEs mainly occurred during the period from the first peak to the second peak and after the second peak of the smoothed monthly mean sunspot numbers. In Solar Cycle 24, the SPEs mainly occurred during the period before maximum of smoothed monthly mean sunspot numbers.
- Sunspots /
- Proton events /
- Asymmetry /
- Solar activity cycle

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参考文献(18)

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