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Statistical analysis of substorms with different time durations
Earth and Planetary PhysicsGeomagnetic substorms release plasma and energy from the magnetotail to the inner magnetosphere and high latitude ionosphere. In this study, we investigate substorms of different time duration, observed during the years 1982 to 2012.
Chao Yue, Qiu-Gang Zong, Xu-Zhi Zhou
exaly +3 more sources
Some Statistical Characteristics of Substorms Under Northward IMF Conditions [PDF]
Journal of Astronomy and Space Sciences, 2009 While substorms are known to generally occur under southward IMF conditions, they can sometimes occur even under northward IMF conditions. In this paper, we studied the substorms that occurred in May, 2000 to 2002 to examine some statistical ...
Ji-Hee Lee +3 more
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Statistical analysis of ionospheric potential patterns for isolated substorms and sawtooth events [PDF]
Annales Geophysicae, 2006 We present here results which contrast isolated substorms with individual sawtooth events. Sawtooth events are defined as quasi-periodic, large-amplitude oscillations in the energetic particle flux with a periodicity of 2–4 h observed at the ...
X. Cai, C. R. Clauer, A. J. Ridley
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Quantitative Evaluation of Energy Coupling between Quasi-Periodic Substorms and High-Speed Coronal Streams [PDF]
Journal of Astronomy and Space Sciences, 2008 It has been known that high-speed solar wind streams associated with coronal holes lead to quasi-periodic substorms that occur approximately every 2˜4 hours.
M. Y. Park +4 more
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The Predictive Capabilities of the Auroral Electrojet Index for Medium Energy Electron Precipitation
Frontiers in Astronomy and Space Sciences, 2021 The chemical imprint of the energetic electron precipitation on the atmosphere is now acknowledged as a part of the natural forcing of the climate system.
H. Nesse Tyssøy +5 more
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ECMI resonance in AKR revisited: Hyperbolic resonance, harmonics, and wave–wave interaction
Frontiers in Physics, 2023 Recapitulation of the resonance condition for the fundamental and higher electron cyclotron harmonics in the electron cyclotron maser instability (ECMI) enables radiation below and confirms the possibility of radiation in a narrow band above harmonics n &
W. Baumjohann, R. A. Treumann
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Are there optical differences between storm-time substorms and isolated substorms? [PDF]
Annales Geophysicae, 2010 We have performed an extensive analysis of auroral optical events (substorms) that occurred during the development of the main phase of magnetic storms.
R. A. Hoffman +3 more
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Frontiers in Astronomy and Space Sciences, 2022 The By component of the magnetic field inside the magnetosphere is positively correlated with the By component of the Interplanetary Magnetic Field (IMF).
Anders Ohma +3 more
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Relationship Between Geomagnetic Storms and Auroral/Magnetospheric Substorms: Early Studies
Frontiers in Astronomy and Space Sciences, 2020 This paper describes a short story of how I learned in early days in space physics (1960–1970) that there are the direct and feed-back relationships between geomagnetic storms and auroral/magnetospheric substorms.
Syun-Ichi Akasofu
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Frontiers in Astronomy and Space Sciences, 2021 The progress of space physics is reviewed from my personal point of view, particularly how I have reached my present understanding of auroral substorms and geomagnetic storms from the time of the earliest days of space physics.
Syun-Ichi Akasofu
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