globalchange  > 科学计划与规划
DOI: 10.1002/2016GL070068
论文题名:
Response of magnetotail twisting to variations in IMF By: A THEMIS case study 1–2 January 2009
作者: Pitkänen T.; Hamrin M.; Kullen A.; Maggiolo R.; Karlsson T.; Nilsson H.; Norqvist P.
刊名: Geophysical Research Letters
ISSN: 0094-8829
EISSN: 1944-8560
出版年: 2016
卷: 43, 期:15
起始页码: 7822
结束页码: 7830
语种: 英语
英文关键词: magnetotail twisting ; solar wind-magnetosphere interaction ; tail twisting spatial response ; tail twisting temporal response
Scopus关键词: Earth sciences ; Geophysics ; Inner magnetosphere ; Interplanetary magnetic fields ; Magnetotails ; Multi-point observation ; Solar wind-magnetosphere interactions ; Spatial response ; Temporal and spatial ; Temporal response ; Magnetosphere
英文摘要: Theoretical considerations, observations, and simulations have shown that the By component of the interplanetary magnetic field (IMF) may cause twisting of the magnetotail. However, the fundamental issues, the temporal and spatial responses of the magnetotail in the twisting process, are still unresolved. We report unique multipoint observations of the response of the magnetotail to the variations in IMF By on 1–2 January 2009. For the first time, estimates of the tail twisting response time at different (Time History of Events and Macroscale Interactions during Substorms, THEMIS) distances in the same event are inferred. Using cross-correlation and timing analyses, we find that the tail twisting propagates from farther out toward the Earth and the response time increases significantly to the inner magnetosphere. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84983509350&doi=10.1002%2f2016GL070068&partnerID=40&md5=4e925ac650c278a896395773cf3b16f4
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9792
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Department of Physics, Umeå University, Umeå, Sweden

Recommended Citation:
Pitkänen T.,Hamrin M.,Kullen A.,et al. Response of magnetotail twisting to variations in IMF By: A THEMIS case study 1–2 January 2009[J]. Geophysical Research Letters,2016-01-01,43(15).
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