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Significant ionosphere response to thunderstorm during various times of the day in a low latitude region.
Louis Osei-Poku - The Hong Kong Polytechnic University; Long Tang - School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou, China; Wu Chen - The Hong Kong Polytechnic University, Hong Kong; Mingli Chen - The Hong Kong Polytechnic University, Hong Kong
The ionosphere is disturbed by various natural phenomena. Of interest is thunderstorm/lightning as it produces very low frequency (VLF) discharges which can be used to study the ionosphere behaviour. Thunderstorm is dominant in the equatorial low latitude regions and coastal areas. By using differential total electron content (DTEC) derived from Global Navigational Satellite Systems (GNSS), thunderstorm effects on the ionosphere have been studied. In this study, we deploy a similar GNSS approach to observe ionosphere response at different times of the day during thunderstorm in the Southern China coastal area. The results show that DTEC of about ±1.5TECU was observed during both daytime and nighttime. The daytime ionosphere response which is similar to that of other areas is deemed as significant. In contrast, the nighttime response is about twice as large as that of other areas. This indicates that the nighttime response to thunderstorm is quite significant in the Southern China coastal area as compared to other regions.
16 July 2020
Abstract submission opens:
16 July 2020
European Space Weather Medals:
6 September 2020
25 September 2020
Registration deadline: [extended]
10 October 2020
Abstract submission deadline:
4 September 2020