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Geomagnetic and solar cycle dependence of the ring current ions
Fu, SY ; Zong, QG ; Pu, ZY ; Xie, L
2002
关键词AMPTE CCE STORM WIND
英文摘要Observations obtained from CRRES/MICS in the solar maximum show that both the ring current composition and the location of the maximum ion flux can be influenced by geomagnetic activity and solar cycle. Both the number and the energy density ratio of O+, He++ and He+ ions increase during geomagnetic active times, whereas that of H+ exhibits an obvious decrease. It is also interesting to compare with AMPTE observations which were made in the solar minimum. The abundance of the ring current H+ is apparently lower in the solar maximum than in the solar minimum. In contrast, the abundance of both O+ and He++ ion is higher in the solar maximum. In addition, the average location of the maximum number density of the energetic ions is about 0.5 R-E lower in solar maximum than that in solar minimum.; Astronomy & Astrophysics; CPCI-S(ISTP); 0
语种英语
内容类型其他
源URL[http://ir.pku.edu.cn/handle/20.500.11897/312181]  
专题地球与空间科学学院
推荐引用方式
GB/T 7714
Fu, SY,Zong, QG,Pu, ZY,et al. Geomagnetic and solar cycle dependence of the ring current ions. 2002-01-01.
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