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Simultaneous lidar observation of peculiar sporadic K and Na layers at Sao Jose dos Campos (23.1 degrees S, 45.9 degrees W), Brazil
Jiao, Jing; Yang, Guotao; Cheng, Xuewu; Liu, Zhengkuan; Wang, Jihong; Yan, Zhenzhong; Wang, Chi; Batista, Paulo; Pimenta, Alexandre; Andrioli, Vania; Denardini, C. M.
Department空间科学部
Source PublicationADVANCES IN SPACE RESEARCH
2018
Volume61Issue:7Pages:1942-1951
ISSN0273-1177
Language英语
KeywordLow-latitude Lidar Sodium Layer Potassium Layer Es Tide
AbstractWe present the first simultaneous observation of mesopause sodium (Na) and potassium (K) layer by a lidar which has Na and K channel simultaneously at the South Hemisphere site, Sao Jose dos Campos (23.1 degrees S, 45.9 degrees W). Measurements reported here were conducted on two nights with 3.5 and 8 h of observations in November 2016. On 20 November 2016, sporadic layers in both Na and K layer occurred above 100 km, and the higher layers corresponded well with sporadic E (Es) layer. And the density of Na at 100-105 km is higher than that at main layer around 90 km, but K density around 100 km is at least 3 times smaller compared with the K density around 90 km for the similar period. On 21 November 2016, both sporadic layers occurred in main layer height with obvious descending variations with time, which seems like tidal induced. Notably, the peak K/Na ratio slowly increased with time. And Na layer and K layer showed different processes along with time with K density reaching its maximum 1 h later than that of Na. Correlations of Na/K density, Es, and winds were also discussed. (C) 2017 COSPAR. Published by Elsevier Ltd. All rights reserved.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6234
Collection空间科学部
Corresponding AuthorJiao, Jing; Yang, Guotao; Cheng, Xuewu; Liu, Zhengkuan; Wang, Jihong; Yan, Zhenzhong; Wang, Chi; Batista, Paulo; Pimenta, Alexandre; Andrioli, Vania; Denardini, C. M.
Recommended Citation
GB/T 7714
Jiao, Jing,Yang, Guotao,Cheng, Xuewu,et al. Simultaneous lidar observation of peculiar sporadic K and Na layers at Sao Jose dos Campos (23.1 degrees S, 45.9 degrees W), Brazil[J]. ADVANCES IN SPACE RESEARCH,2018,61(7):1942-1951.
APA Jiao, Jing.,Yang, Guotao.,Cheng, Xuewu.,Liu, Zhengkuan.,Wang, Jihong.,...&Denardini, C. M..(2018).Simultaneous lidar observation of peculiar sporadic K and Na layers at Sao Jose dos Campos (23.1 degrees S, 45.9 degrees W), Brazil.ADVANCES IN SPACE RESEARCH,61(7),1942-1951.
MLA Jiao, Jing,et al."Simultaneous lidar observation of peculiar sporadic K and Na layers at Sao Jose dos Campos (23.1 degrees S, 45.9 degrees W), Brazil".ADVANCES IN SPACE RESEARCH 61.7(2018):1942-1951.
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