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Statistical propert...
Statistical properties of the distribution and generation of kinetic-scale flux ropes in the terrestrial dayside magnetosheath
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- Xiao, Y.C. (författare)
- Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai, China; State Key Laboratory of Lunar and Planetary Sciences, Macau University of Science and Technology, Macao
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- Yao, S.T. (författare)
- Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai, China
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- Guo, R.L. (författare)
- Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai, China
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- Shi, Q.Q. (författare)
- Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai, China
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- Zong, Q.G. (författare)
- School of Earth and Space Sciences, Peking University, Beijing, China
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- Zhang, H. (författare)
- Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai, China
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- Bai, S.C. (författare)
- Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai, China; School of Mathematics and Statistics, Shandong University, Weihai, China
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- Hamrin, Maria, 1972- (författare)
- Umeå universitet,Institutionen för fysik
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- Pitkänen, Timo, 1979- (författare)
- Umeå universitet,Institutionen för fysik,Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai, China
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- Tian, A.M. (författare)
- Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai, China
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- Degeling, A.W. (författare)
- Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai, China
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- Liu, J. (författare)
- Department of Physics, University of Alberta, AB, Edmonton, Canada
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(creator_code:org_t)
- American Geophysical Union (AGU), 2023
- 2023
- Engelska.
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Ingår i: Geophysical Research Letters. - : American Geophysical Union (AGU). - 0094-8276 .- 1944-8007. ; 50:23
- Relaterad länk:
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https://doi.org/10.1...
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https://umu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The generation of kinetic-scale flux ropes (KSFRs) is closely related to magnetic reconnection. Both flux ropes and reconnection sites are detected in the magnetosheath and can impact the dynamics upstream of the magnetopause. In this study, using the Magnetospheric Multiscale satellite, 12,623 KSFRs with a scale <20 RCi are statistically studied in the Earth's dayside magnetosheath. It is found that they are mostly generated near the bow shock (BS), and propagate downstream in the magnetosheath. Their quantity significantly increases as the scale decreases, consistent with a flux rope coalescence model. Moreover, the solar wind parameters can control the occurrence rate of KSFRs. They are more easily generated at high Mach number, large proton density, and weak magnetic field strength of the solar wind, similar to the conditions that favor BS reconnection. Our study shows a close connection between KSFR generation and BS reconnection.
Ämnesord
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- bow shock
- flux rope
- ion scale flux rope
- kinetic-scale flux rope
- magnetic reconnection
- magnetosheath
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Xiao, Y.C.
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Yao, S.T.
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Guo, R.L.
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Shi, Q.Q.
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Zong, Q.G.
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Zhang, H.
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visa fler...
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Bai, S.C.
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Hamrin, Maria, 1 ...
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Pitkänen, Timo, ...
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Tian, A.M.
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Degeling, A.W.
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Liu, J.
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