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首页> 外文期刊>Journal of Geophysical Research, D. Atmospheres: JGR >Types of lightning discharges that abruptly terminate enhanced fluxes of energetic radiation and particles observed at ground level
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Types of lightning discharges that abruptly terminate enhanced fluxes of energetic radiation and particles observed at ground level

机译:闪电的类型突然终止于在地面观察到的能量辐射和粒子的增强势次

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摘要

We present ground-based measurements of thunderstorm-related enhancements of fluxes of energetic radiation and particles that are abruptly terminated by lightning discharges. All measurements were performed at an altitude of 3200 m above sea level on Mount Aragats (Armenia). Lightning signatures were recorded using a wideband electric field measuring system with a useful frequency bandwidth of 50 Hz to 12 MHz and network of five electric field mills, three of which were installed at the Aragats station, one at the Nor Amberd station (12.8 km from Aragats), and one at the Yerevan station (39 km from Aragats). We observed that the flux-enhancement termination was associated only with close (within 10 km or so of the particle detector) negative CGs and normal-polarity ICs; that is, with lightning types which reduce the upward directed electric field below the cloud and hence suppress the acceleration of electrons toward the ground.
机译:我们呈现基于基于雷暴相关增强的基于雷暴相关的能量辐射和通过雷击突然终止的颗粒的测量。 在阿拉克山(亚美尼亚)的海拔3200米的海拔高度的海拔地区进行所有测量。 使用具有50 Hz的有用频率带宽的宽带电场测量系统记录闪电签名和五个电场铣刀网络,其中三个在Aragats Station酒店,一个在Nor Amberd Station(12.8公里) Aragats),距离Arervan Station(距离Aragats)有39公里)。 我们观察到,助焊剂增强终止仅与近(颗粒检测器10公里内)负相关,负CGS和正常极性IC; 也就是说,通过减小云下方的向上定向电场的闪电类型,因此抑制了电子的加速度朝向地面。

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