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@Article{JiaoYCLWYWBPAD:2018:SiLiOb,
               author = "Jiao, Jing and Yang, Guotao and Cheng, Xuewu and Liu, Zhengkuan 
                         and Wang, Jihong and Yan, Zhenzhong and Wang, Chi and Batista, 
                         Paulo Prado and Pimenta, Alexandre Alvares and Andrioli, 
                         V{\^a}nia F{\'a}tima and Denardin, Clezio Marcos",
          affiliation = "{Chinese Academy of Sciences} and {Chinese Academy of Sciences} 
                         and {Chinese Academy of Sciences} and {Chinese Academy of 
                         Sciences} and {Chinese Academy of Sciences} and {Chinese Academy 
                         of Sciences} and {Chinese Academy of Sciences} and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)} and {Instituto Nacional de 
                         Pesquisas Espaciais (INPE)} and {Instituto Nacional de Pesquisas 
                         Espaciais (INPE)} and {Instituto Nacional de Pesquisas Espaciais 
                         (INPE)}",
                title = "Simultaneous lidar observation of peculiar sporadic K and Na 
                         layers at S{\~a}o Jos{\'e} dos Campos (23.1°S, 45.9°W), Brazil",
              journal = "Advances in Space Research",
                 year = "2018",
               volume = "61",
               number = "7",
                pages = "1942--1951",
                month = "Apr.",
             keywords = "Low-latitude lidar, Sodium layer, Potassium layer, Es, Tide.",
             abstract = "We 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 JoseŽ dos Campos 
                         (23.1S, 45.9W). 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 100105 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.",
                  doi = "10.1016/j.asr.2017.12.002",
                  url = "http://dx.doi.org/10.1016/j.asr.2017.12.002",
                 issn = "0273-1177 and 1879-1948",
             language = "en",
           targetfile = "jiao_simultaneous.pdf",
        urlaccessdate = "04 dez. 2020"
}


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