Effects of Lightning M-components in the Middle Atmosphere

摘要：

The role of the M-component mode of charge transfer to ground in lightning discharges in initiating sprites and spite halos is examined. M-components serve to enhance the electric field at high altitudes and, as a result, may increase the probability of sprite (halo) initiation. It appears that occurrence of an M-component shifts electric field maximum from the axis of the vertical lightning channel and therefore increases the likelihood of initiation of sprites displaced from the channel axis. Since M-components follow return strokes after a time interval of a few milliseconds or more, they may be primary producers of so-called delayed sprites.

作者: S.A. Yashunin E. A. Mareev V.A. Rakov

作者单位: Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod, Russia Department of Electrical and Computer Engineering, University of Florida, Gainesville, Florida, USA

会议类型: 国际会议

会议名称: 第13届国际大气电学会议(The 13th International Conference on Atmospheric Electricity)

会议地点: 北京

会议语种:英文

在线出版日期: 2007-08-13（万方平台首次上网日期，不代表论文的发表时间）