Radiative emission and energy deposition in transient luminous events

C. L. Kuo, A. B. Chen, J. K. Chou, L. Y. Tsai, R. R. Hsu, H. T. Su, H. U. Frey, S. B. Mende, Y. Takahashi, L. C. Lee

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52 引文 斯高帕斯(Scopus)

摘要

The Imager of Sprites and Upper Atmospheric Lightning (ISUAL) experiment on the FORMOSAT-2 satellite has recently reported that an elve is the most dominant type of transient luminous events (TLEs) and deduced the global occurrence rates of sprites, halos and elves to be ∼1, ∼1 and 35 events/min, respectively (Chen et al 2008 J. Geophys. Res. 113 A08306). In this paper, we report the computed radiative emission and energy precipitation of the TLEs in the upper atmosphere. By analysing 1415 ISUAL TLEs, we found that for sprites, halos and elves the spatially averaged brightness are 1.5, 0.3 and 0.17 MR, and the energy deposition is 22, 14 and 19 MJ per event. After factoring in the global occurrence rates, the global energy deposition rates in the upper atmosphere are 22, 14 and 665 MJ min-1 from sprites, halos and elves.

原文English
文章編號234014
期刊Journal of Physics D: Applied Physics
41
發行號23
DOIs
出版狀態Published - 2008 十二月 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films

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