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Alternative TitleA time-dependent quasi-three-dimensional QEF model of red sprites
吴明亮; 徐寄遥; 北京8701信箱
Source Publication地球物理学报
Keyword红闪 准静电场 晴天大气电场 雷暴 时变模式
Abstract利用数值模拟的方法,研究了雷暴放电后,由雷暴电荷,感应电荷和晴天大气的背景电荷共同产生的准静电场(Quasi-electrostatic field,简称QEF)的时变过程,以及准静电场对中性大气的加热和电离.结果表明:在考虑电离层电势和晴天大气背景电场的影响后,时变的准三维的准静电场(QEF)模式能较好地解释"红闪"(Redsprites)的时空特征,特别是能模拟出"红闪"中的一种--"闪晕"(spritehalo)向上弯曲的空间结构.
Other AbstractA quasi-three-dimensional,time-dependent quasi-static electric field (QEF) model is developed and is applied to study the effects of QEF on the mesosphere and subionosphere.Using this model we simulate the evolution of QEF produced by thunderstorm source charges,induced charges and fair weather background charges,and investigate the heating and ionization of the neutral atmosphere by QEF.The results show that considering the influence of the ionosphere potential and fair weather background electric field,the quasi-three-dimensional,time-dependent QEF model is able to simulate the total temporal-space characteristics of Red sprites.Particularly , it can reproduce the upward concave shape of sprite halo.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
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Document Type期刊论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
吴明亮,徐寄遥,北京8701信箱. 时变的准三维"红闪"电场模式研究[J]. 地球物理学报,2005,48(3):480-486.
APA 吴明亮,徐寄遥,&北京8701信箱.(2005).时变的准三维"红闪"电场模式研究.地球物理学报,48(3),480-486.
MLA 吴明亮,et al."时变的准三维"红闪"电场模式研究".地球物理学报 48.3(2005):480-486.
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