Characteristics and applications of near-infrared emissions from lightning
作者： Jincui Zhao , Ping Yuan , Jianyong Cen , Jianguo Liu , Jie Wang
DOI: 10.1063/1.4827182
关键词: Amplitude 、 Remote sensing 、 Waveform 、 Environmental science 、 Thunderstorm 、 Upper-atmospheric lightning 、 Intensity (physics) 、 Lightning 、 Phase (waves) 、 Electric field
摘要: Using the lightning spectra captured by a slitless spectrograph, characteristics of near-infrared emissions from are investigated. The results show that atomic lines in range consistently strong and can be almost recorded during whole luminous phase leader to return stroke. OI 777.4 nm is persistently one strongest spectra. Moreover, combining synchronous electric field information, intensity found correlate well with amplitude change, its waveform consistent change. It concluded information thunderstorm activities used locate discharge processes, including counting flashes, identifying intensity, displaying spatial temporal evolution channel, even presenting more details processes.
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