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Giant flux ropes observed in the magnetized ionosphere at Venus

文献类型：期刊论文

作者Zhang, T. L.1,2; Baumjohann, W.1; Teh, W. L.1; Nakamura, R.1; Russell, C. T.3; Luhmann, J. G.4; Glassmeier, K. H.5; Dubinin, E.6; Wei, H. Y.3; Du, A. M.7
刊名GEOPHYSICAL RESEARCH LETTERS
出版日期2012-12-14
卷号39
ISSN号0094-8276
DOI10.1029/2012GL054236
文献子类Article
英文摘要The Venus ionospheric response to solar and solar wind variations is most evident in its magnetic field properties. Early Pioneer Venus observations during the solar maximum revealed that the Venus ionosphere exhibits two magnetic states depending on the solar wind dynamic pressure conditions: magnetized ionosphere with large-scale horizontal magnetic field; or unmagnetized ionosphere with numerous small-scale thin structures, so-called flux ropes. Here we report yet another magnetic state of Venus' ionosphere, giant flux ropes in the magnetized ionosphere, using Venus Express magnetic field measurements during solar minimum. These giant flux ropes all have strong core fields and diameters of hundreds of kilometers, which is about the vertical dimension of the ionosphere. This finding represents the first observation of these giant flux ropes at Venus. The cause of these giant flux ropes remains unknown and speculative. Citation: Zhang, T. L., et al. (2012), Giant flux ropes observed in the magnetized ionosphere at Venus, Geophys. Res. Lett., 39, L23103, doi: 10.1029/2012GL054236.
WOS关键词SOLAR-WIND INTERACTION ; EXPRESS ; ATMOSPHERE ; MINIMUM
WOS研究方向Geology
语种英语
WOS记录号WOS:000312391100004
出版者AMER GEOPHYSICAL UNION
资助机构NSFC grant(41174156 ; NSFC grant(41174156 ; CAS Key Research Program(KZZD-EW-01-4) ; CAS Key Research Program(KZZD-EW-01-4) ; Austrian Science Fund(FWF: I429-N16 ; Austrian Science Fund(FWF: I429-N16 ; National Aeronautics and Space Administration(NNX10AV29G) ; National Aeronautics and Space Administration(NNX10AV29G) ; 41121003) ; 41121003) ; P21051-N16) ; P21051-N16) ; NSFC grant(41174156 ; NSFC grant(41174156 ; CAS Key Research Program(KZZD-EW-01-4) ; CAS Key Research Program(KZZD-EW-01-4) ; Austrian Science Fund(FWF: I429-N16 ; Austrian Science Fund(FWF: I429-N16 ; National Aeronautics and Space Administration(NNX10AV29G) ; National Aeronautics and Space Administration(NNX10AV29G) ; 41121003) ; 41121003) ; P21051-N16) ; P21051-N16) ; NSFC grant(41174156 ; NSFC grant(41174156 ; CAS Key Research Program(KZZD-EW-01-4) ; CAS Key Research Program(KZZD-EW-01-4) ; Austrian Science Fund(FWF: I429-N16 ; Austrian Science Fund(FWF: I429-N16 ; National Aeronautics and Space Administration(NNX10AV29G) ; National Aeronautics and Space Administration(NNX10AV29G) ; 41121003) ; 41121003) ; P21051-N16) ; P21051-N16) ; NSFC grant(41174156 ; NSFC grant(41174156 ; CAS Key Research Program(KZZD-EW-01-4) ; CAS Key Research Program(KZZD-EW-01-4) ; Austrian Science Fund(FWF: I429-N16 ; Austrian Science Fund(FWF: I429-N16 ; National Aeronautics and Space Administration(NNX10AV29G) ; National Aeronautics and Space Administration(NNX10AV29G) ; 41121003) ; 41121003) ; P21051-N16) ; P21051-N16)
源URL[http://ir.iggcas.ac.cn/handle/132A11/84296]  
专题中国科学院地质与地球物理研究所
通讯作者Zhang, T. L.
作者单位1.Austrian Acad Sci, Space Res Inst, AT-8042 Graz, Austria
2.Univ Sci & Technol China, CAS Key Lab Geospace Environm, Hefei 230026, Peoples R China
3.Univ Calif Los Angeles, IGPP, Los Angeles, CA USA
4.Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA
5.Tech Univ Carolo Wilhelmina Braunschweig, IGEP, D-38106 Braunschweig, Germany
6.Max Planck Inst Solar Syst Res, Katlenburg Lindau, Germany
7.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China
8.Univ Sheffield, ACSE, Sheffield, S Yorkshire, England
推荐引用方式
GB/T 7714		 Zhang, T. L.,Baumjohann, W.,Teh, W. L.,et al. Giant flux ropes observed in the magnetized ionosphere at Venus[J]. GEOPHYSICAL RESEARCH LETTERS,2012,39.
APA Zhang, T. L..,Baumjohann, W..,Teh, W. L..,Nakamura, R..,Russell, C. T..,...&Balikhin, M..(2012).Giant flux ropes observed in the magnetized ionosphere at Venus.GEOPHYSICAL RESEARCH LETTERS,39.
MLA Zhang, T. L.,et al."Giant flux ropes observed in the magnetized ionosphere at Venus".GEOPHYSICAL RESEARCH LETTERS 39(2012).

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来源：地质与地球物理研究所

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