ISSN 1006-9895

CN 11-1768/O4

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Observational Analysis of Red Sprites by ISUAL Instrument over the Southern Tibetan Plateau
Author:
Affiliation:

1.Chengdu University of Information Technology, Chengdu 610225;2.Key Laboratory for Atmosphere and Global Environment Observation, Institute of Atmospheric Physics, Chinese Academy of Science, Beijing 100029;3.Key Laboratory of Geospace Environment, Chinese Academy of Sciences/School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026;4.University of Chinese Academy of Sciences, Beijing 100049

Fund Project:

National Key Research and Development Program of China 2017YFC1501501 ; One Hundred Talent Program of Chinese Academy of Sciences 2013068 ; National Natural Science Foundation of China (Grants 41305005 ; 41622501, 41875006), Opening Fund of Key Laboratory of Geospace Environment, Chinese Academy of Sciences GE2015-01 Funded by National Key Research and Development Program of China (Grant 2017YFC1501501), One Hundred Talent Program of Chinese Academy of Sciences (Grant 2013068), National Natural Science Foundation of China (Grants 41305005, 41622501, 41875006), Opening Fund of Key Laboratory of Geospace Environment, Chinese Academy of Sciences (Grant GE2015-01)

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    Abstract:

    In this paper, the authors examined the sprite phenomenon over the southern Tibetan Plateau (22°-30°N, 86°-98°E) by comparing the lightning detection data from the World-Wide Lightning Location Network (WWLLN) and observations from the Imager of Sprites and Upper Atmospheric Lightning (ISUAL) instrument aboard the FORMOSAT-2 satellite during 2004-2015. It was found that most of the location accuracy of ISUAL was sound after analysis of 17 samples, and the deviations from WWLLN were < 50 km. It was consistent with the results obtained in North America and its vicinity. Based on these results, the authors analyzed the characteristics of the parent lightning strokes of the sprites combined with the cloud-top brightness temperature data from the FY 2 satellite. The authors found that sprites over the southern Tibetan Plateau formed not only from mesoscale convective systems, but also from smaller-scale convective systems.

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History
  • Received:September 16,2018
  • Revised:
  • Adopted:
  • Online: January 22,2020
  • Published: