Mechanisms for observed total electron content pulsations at mid latitudes |
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| Affiliation: | 1. School of Mechatronics Engineering, University of Electronic Science and Technology of China, Chengdu 611731, PR China;2. Department of Mechanical Engineering, University of Alberta, Edmonton T6G2G8, Canada;3. School of Mechatronics Engineering, University of Science and Technology Beijing, Beijing 100083, PR China;1. UniSQ College, University of Southern Queensland, QLD 4350, Australia;2. School of Climate Change and Adaptation, University of Prince Edward Island, Canada;3. Department of Science, School of Science and Technology, The University of Fiji, Saweni, Lautoka, Fiji;4. School of Information Technology, Deakin University, VIC 3125, Australia;5. Faculty of Engineering, Shohadaye Hoveizeh Campus of Technology, Shahid Chamran University of Ahvaz, Dashte Azadegan, Iran;6. Civil and Environmental Engineering Department, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia;1. State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha 410082, PR China;2. Laboratory of Science and Technology on Integrated Logistics Support, National University of Defense Technology, Changsha 410082, PR China;1. College of Mechanical and Transportation Engineering, China University of Petroleum (Beijing), Beijing 102249, China;2. Chengde Petroleum College, Hebei 067000, China;1. School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China;2. Centre for Efficiency and Performance Engineering, University of Huddersfield, Huddersfield HD1 3DH, UK |
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| Abstract: | Total electron content variations in the Pc3–Pc4 range of frequencies of the order of 4 parts in 104 have been reported in apparent correlation with simultaneous ground based magnetic pulsation observations. By means of a term-by-term analysis of the continuity equation for electrons, the plausibility of various mechanisms is investigated. The most likely explanation is in terms of localized increases in the electron density at F-region heights caused by the field-aligned (compressional) component of the pulsation magnetic field. The analysis predicts a tendency for the amplitude of the TEC pulsations to vary in antiphase with ground-based measurements of the north-south component of the pulsation field. |
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