The Enhancement of Neutral Metal Na Layer Above Thunderstorms

Bingkun Yu, Xianghui Xue, Gaopeng Lu, Cheng Ling Kuo, Xiankang Dou, Qi Gao, Xiushu Qie, Jianfei Wu, Shican Qiu, Yutian Chi, Yihuan Tang

研究成果: 雜誌貢獻期刊論文同行評審

13 引文 斯高帕斯(Scopus)

摘要

Atomic sodium (Na) is one of the major meteoric species existing as layers of atoms in the mesosphere/lower thermosphere (MLT) at altitudes of 80–105 km and atomic ions at higher altitudes. As the boundary between neutral atmosphere and ionosphere, the MLT region is of particular interest because it is influenced by the mesoscale convective weather and thunderstorms from below and exposed to solar photons from above. There has been great interest on the atmosphere-ionosphere coupling, and numerous studies have been reported on the connection between thunderstorms and the ionosphere. However, the influence of thunderstorms on metallic species, which would significantly enhance our understanding of how Earth's atmosphere interacts with its ionosphere and studying the chemistry and physics of the MLT region, has rarely been studied. Here we present observational results on a statistical basis showing evidence that thunderstorm activities can affect the metal layer, by identifying a statistically significant enhancement of the neutral metal Na layer above thunderstorms at Haikou, China (20.0°N, 110.3°E). The thunderstorm-generated gravity waves and electric field effects could be the mechanisms responsible for the lightning-associated enhancement of Na layer.

原文???core.languages.en_GB???
頁(從 - 到)9555-9563
頁數9
期刊Geophysical Research Letters
44
發行號19
DOIs
出版狀態已出版 - 16 10月 2017

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