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| Magnetic Field Fluctuations in the Solar Wind, Foreshock and Magnetosheath： Cluster Data Analysis | |
| 引用本文： | N.N.Shevyre,G.N.Zastenker. Magnetic Field Fluctuations in the Solar Wind, Foreshock and Magnetosheath： Cluster Data Analysis[J]. 空间科学学报, 2005, 25(5): 368-373 |
| 作者姓名： | N.N.Shevyre G.N.Zastenker |
| 作者单位： | Space Research Institute，Russian Academy of Sciences，Moscow，Russia，Space Research Institute，Russian Academy of Sciences，Moscow，Russia |
| 基金项目： | Supported by NNSFC (No. 40325010)RFBR-NSFC (2005-2006)the China-Russia Joint Research Center on Space Weather,Chinese Academy of Sciences |
| 摘 要： | 46 magnetosheath crossing events from the two years (2001.2-2003.1) of Cluster magnetic field measurements are identified and used to investigate the characters of the magnetic field fluctuations in the regions of undisturbed solar wind, foreshock, magnetosheath. The preliminary results indicate the properties of the plasma turbulence in the magnetosheath are strongly controlled by IMF orientation with respect to the bow shock normal. The amplitude of the magnetic field magnitude and direction variations behind quasi-parallel bow shock are larger than those behind quasi-perpendicular bow shock. Almost purely compressional waves are found in quasi-perpendicular magnetosheath. |
| 关 键 词： | 太阳风 磁场 磁鞘 行星 |
Magnetic Field Fluctuations in the Solar Wind, Foreshock and Magnetosheath: Cluster Data Analysis |
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| J. Du,C. Wang,X.X. Zhang,N.N. Shevyre,G.N. Zastenker. Magnetic Field Fluctuations in the Solar Wind, Foreshock and Magnetosheath: Cluster Data Analysis[J]. Chinese Journal of Space Science, 2005, 25(5): 368-373 | |
| Authors: | J. Du C. Wang X.X. Zhang N.N. Shevyre G.N. Zastenker |
| Affiliation: | 1. Key Laboratory of Space Weather, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100080, China;Graduate School, Chinese Academy of Sciences 2. Key Laboratory of Space Weather, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100080, China 3. Space Research Institute, Russian Academy of Sciences, Moscow, Russia |
| Abstract: | 46 magnetosheath crossing events from the two years (2001.2-2003.1) of Cluster magnetic field measurements are identified and used to investigate the characters of the magnetic field fluctuations in the regions of undisturbed solar wind, foreshock, magnetosheath. The preliminary results indicate the properties of the plasma turbulence in the magnetosheath are strongly controlled by IMF orientation with respect to the bow shock normal. The amplitude of the magnetic field magnitude and direction variations behind quasi-parallel bow shock are larger than those behind quasi-perpendicular bow shock. Almost purely compressional waves are found in quasi-perpendicular magnetosheath. |
| Keywords: | Magnetic field fluctuation Solar Wind Magnetosheath |
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