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Interaction between an interplanetary magnetic cloud and the Earth's magnetosphere: Motions of the bow shock
Wu, DJ; Chao, JK; Lepping, RP
2000-06-01
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
ISSN0148-0227
Volume105Issue:A6Pages:12627-12638
AbstractAn interplanetary magnetic cloud (IMC) is an important solar-terrestrial connection event. It is an ideal object for the study of solar-terrestrial relations and space weather because the Earth's space environment can be affected considerably during an IMC passage. An IMC was observed to pass the Earth during October 18-20, 1995. Wind recorded its interplanetary characteristics at similar to 175 R-E upstream of the Earth's bow shock, and similar to 45 min later, Geotail, being near the nominal location of the dawn bow shock, detected IMC-related multiple bow shock crossing. Using simultaneous measurements from Wind and Geotail, we analyzed, with a semiempirical bow shock model with two parameters, the bow shock motion caused by the interaction of the IMC with the magnetosphere during the passage. We also compared the bow shock motion predicted by the model and hence the predicted Geotail bow shock crossings, with Geotail observations of the actual crossings. The results showed that the observed multiple bow shock crossings, which were obviously due to temporal variations of the upstream solar wind, can be well explained by the model-predicted bow shock motion.
KeywordOctober 18-20 Solar-wind Unusual Locations Field Magnetopause Imp-8 Shape Propagation Crossings Passage
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordOCTOBER 18-20 ; SOLAR-WIND ; UNUSUAL LOCATIONS ; FIELD ; MAGNETOPAUSE ; IMP-8 ; SHAPE ; PROPAGATION ; CROSSINGS ; PASSAGE
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000087351900007
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8263
Collection太阳和太阳系等离子体研究团组
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Natl Cent Univ, Inst Space Sci, Chungli 32054, Taiwan
3.NASA, Goddard Space Flight Ctr, Extraterr Phys Lab, Greenbelt, MD 20771 USA
4.Chinese Acad Sci, Natl Astron Observ, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Wu, DJ,Chao, JK,Lepping, RP. Interaction between an interplanetary magnetic cloud and the Earth's magnetosphere: Motions of the bow shock[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2000,105(A6):12627-12638.
APA Wu, DJ,Chao, JK,&Lepping, RP.(2000).Interaction between an interplanetary magnetic cloud and the Earth's magnetosphere: Motions of the bow shock.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,105(A6),12627-12638.
MLA Wu, DJ,et al."Interaction between an interplanetary magnetic cloud and the Earth's magnetosphere: Motions of the bow shock".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 105.A6(2000):12627-12638.
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