Optical characteristics of red sprites produced by runaway air breakdown
Journal Article
·
· Journal of Geophysical Research
- Space and Atmospheric Sciences, Los Alamos National Laboratory, Los Alamos, New Mexico (United States)
- Computational Science Methods, Los Alamos National Laboratory, Los Alamos, New Mexico (United States)
The results of numerical calculations of intensity and spectra of optical emissions from red sprites produced by runaway air breakdown in the atmosphere are presented. It is shown that the optical emissions from red sprites consist of two components: (1) short-term (t{approx}0.3{endash}2thinspms) emissions produced as a result of dissipation of an energetic electron beam in air; (2) long-term (t{approx}2{endash}10thinspms) emissions produced by a population of low-energy electrons in an electric field. The long-term optical emissions are calculated for all low-energy electrons, including the secondary low-energy electrons produced by the relativistic electron beam, ambient background electrons, and electrons produced as a result of regular breakdown. The theoretical results are compared with observational data. {copyright} 1998 American Geophysical Union
- OSTI ID:
- 641012
- Journal Information:
- Journal of Geophysical Research, Journal Name: Journal of Geophysical Research Journal Issue: D10 Vol. 103; ISSN JGREA2; ISSN 0148-0227
- Country of Publication:
- United States
- Language:
- English
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