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Alternative TitleRelation between the variation of geomagnetospheric relativistic electron flux and storm/substorm
李柳元; 曹晋滨; 周国成; 北京8701信箱
Source Publication地球物理学报
Keyword磁暴 亚暴 地球同步轨道 相对论电子
Other AbstractThis paper studies the variations of the interplanetary field (IMF), solar wind, Kp index, D_(st) index, AE index and flux of relativistic electrons (E≥1 MeV). The analysis shows that geomagnetic storms/substorms can occur when the component B_z of the IMF is southward and the velocity of the solar wind increases to above 500 km/s. The flux of the relativistic electrons decreases during the main phase of storms, and then increases during the recovery phase of storms. However, the flux of relativistic electrons can increase and exceed the prestorm level just during the recovery phase of storms including many prolonged substorm activities. Furthermore , the larger the flux of electrons with energy being less than 300 keV is , the larger the flux of relativistic electrons is , which shows the substorm2injection electrons with energy being less than 300 keV may be an important source of relativistic electrons.
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
李柳元,曹晋滨,周国成,等. 磁层相对论电子通量变化与磁暴/亚暴的关系[J]. 地球物理学报,2006,49(1):9-15.
APA 李柳元,曹晋滨,周国成,&北京8701信箱.(2006).磁层相对论电子通量变化与磁暴/亚暴的关系.地球物理学报,49(1),9-15.
MLA 李柳元,et al."磁层相对论电子通量变化与磁暴/亚暴的关系".地球物理学报 49.1(2006):9-15.
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