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Variation of dependence of the cusp location at different altitude on the dipole tilt
GUO JianGuang; SHI JianKui; CHENG ZhengWei; ZHANG ZiYing; WANG Zheng; ZHANG TieLong; LIU ZhenXing; DUNLOP Malcolm; 北京8701信箱
Department空间天气学国家重点实验室
Source PublicationCHINESE SCIENCE Bulletin
2013
Volume58Issue:28-29Pages:3541-3545
ISSN1001-6538
Language英语
KeywordCusp Location Dependence Dipole Tilt Altitude Variation Different Satellite
AbstractUsing the Cluster cusp crossings data, dependence of the cusp location at the mid-altitude on the geomagnetic dipole tilt during northward IMF is studied. The results show that the cusp center moves 0.051° Invariant Latitude (ILAT) upon the increase of 1° in the dipole tilt angle at the average altitude of 5.8 RE (Earth radius). According to the present results obtained at the altitude of the Cluster orbit and previous results obtained at other altitudes of other satellite orbits, it is found that the higher the altitude in the cusp region is, the bigger the dependence of cusp location on the dipole tilt angle will be. If the altitude increases by 1 RE in the cusp region, the dependence will increase by 0.012° ILAT upon the increase of 1° in the dipole tilt angle. Some possible physical mechanisms are discussed and it shows that the cusp location will be more sensitive to the solar wind dynamic pressure if the altitude is high.
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1545
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
GUO JianGuang,SHI JianKui,CHENG ZhengWei,et al. Variation of dependence of the cusp location at different altitude on the dipole tilt[J]. CHINESE SCIENCE Bulletin,2013,58(28-29):3541-3545.
APA GUO JianGuang.,SHI JianKui.,CHENG ZhengWei.,ZHANG ZiYing.,WANG Zheng.,...&北京8701信箱.(2013).Variation of dependence of the cusp location at different altitude on the dipole tilt.CHINESE SCIENCE Bulletin,58(28-29),3541-3545.
MLA GUO JianGuang,et al."Variation of dependence of the cusp location at different altitude on the dipole tilt".CHINESE SCIENCE Bulletin 58.28-29(2013):3541-3545.
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