在太陽風、磁層、高層大氣及地殼中的粒子加熱、無線電輻射及電耦合物理過程;A Study of Plasma Heating, Radiation and Electric Coupling Processes in the Solar Corona, Magnetosphere, Upper Atmosphere and Solid Earth.

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題名:	在太陽風、磁層、高層大氣及地殼中的粒子加熱、無線電輻射及電耦合物理過程;A Study of Plasma Heating, Radiation and Electric Coupling Processes in the Solar Corona, Magnetosphere, Upper Atmosphere and Solid Earth.
作者:	李羅權
貢獻者:	國立中央大學太空科學研究所
關鍵詞:	物理;大氣科學;太空科技
日期:	2012-12-01
上傳時間:	2014-03-17 11:32:42 (UTC+8)
出版者:	行政院國家科學委員會
摘要:	研究期間：10106~10207;The hot coronal plasma leads to the presence of high speed (400  800km/s) solar wind. The interaction of so1ar wind with Earth’s dipole magnetic field leads to the formation of the magnetosphere, which includes the bow shock, magnetosheath, magnetopause and magnetotail. Various solar disturbances may propagate through the solar wind and affect the Earth’s magnetosphere and ionosphere. The generation and disruption of magnetic arcades over the solar surface leads to coronal mass ejections (CMEs) with interplanetary shocks and magnetic clouds in the solar wind. Particle heating takes place at various types of shocks. In addition, various types of radio emissions can occur in the solar corona, interplanetary shocks and magnetosphere during solar disturbances. On the other hand, the thunderstorm activities may also affect the atmosphere and ionosphere, leading to the formation of various transient luminous events (sprites, blue jets, gigantic jets and elves). The stressed rock and/or the release of radiative radon gas may lead to ionosphere density variations. In this proposal, we plan to study several important problems related to plasma heating, radiation, and electric coupling processes in the solar corona, magnetosphere, upper atmosphere and solid earth. These include: (A) Numerical studies of ionospheric density variations by pre-earthquake charges from the crust under stress and by thunderstorm generated current; (B) Particle acceleration or heating by waves associated with cyclotron maser instability (CMI); (C) Magnetic reconnection: generation of fast shocks and double discontinuities; (D) A comprehensive study of the nonlinear mirror-mode structure in the Earth’s magnetosheath; (E) Generation mechanisms of gigantic jets. The proposed study will provide a much deeper understanding of the relevant processes in the solar corona, interplanetary space, and Earth’s magnetosphere, ionosphere and atmosphere.
關聯:	財團法人國家實驗研究院科技政策研究與資訊中心
顯示於類別:	[太空科學研究所 ] 研究計畫

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