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T1  - Statistical Analysis of Magnetic Field Fluctuations in Coronal Mass Ejection-Driven Sheath Regions 
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UR  - http://hdl.handle.net/10138/328222 
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A1  - Kilpua, Emilia; Good, Simon; Ala-Lahti, Matti; Osmane, Adnane; Fontaine, D.; Hadid, L.; Janvier, M.; Yordanova, E. 
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PB  -  
Y1  - 2021 
LA  - eng 
AB  - We report a statistical analysis of magnetic field fluctuations in 79 coronal mass ejection(CME-) driven sheath regions that were observed in the near-Earth solar wind. Wind highresolution magnetic field data were used to investigate 2 h regions adjacent to the shock and ejecta leading edge (Near-Shock and Near-LE regions, respectively), and the results were compared with a 2 h region upstreamof the shock. The inertial-range spectral indices in the sheaths are found to be mostly steeper than the... 
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KW  - coronal mass ejections; interplanetary shock; magnetic field; solar wind; turbulence; 115 Astronomy, Space science 
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