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@InProceedings{PaulinoPBFLBBB:2018:LuTiIo,
               author = "Paulino, Ana Roberta and Paulino, Igo and Brown, Vera and 
                         Fernades, Joyrles and Lima, Lourivaldo and Buriti, Ricardo and 
                         Batista, Paulo Prado and Batista, Inez Staciarini",
          affiliation = "{Universidade Estadual da Para{\'{\i}}ba (UEPB)} and 
                         {Universidade Federal de Campina Grande (UFCG)} and {Universidade 
                         Estadual da Para{\'{\i}}ba (UEPB)} and {Universidade Federal de 
                         Campina Grande (UFCG)} and {Universidade Estadual da 
                         Para{\'{\i}}ba (UEPB)} and {Universidade Federal de Campina 
                         Grande (UFCG)} and {Instituto Nacional de Pesquisas Espaciais 
                         (INPE)} and {Instituto Nacional de Pesquisas Espaciais (INPE)}",
                title = "The lunar tides in the ionosphere over brazil",
                 year = "2018",
         organization = "Cospar Scientific Assembly, 42.",
             abstract = "The atmospheric lunar tide is excited by gravitational action in 
                         the lower atmosphere and by the movement of the oceans and Earths 
                         surface. Due to the fact that the source of the lunar tide does 
                         not change, the determination of this oscillation in the 
                         ionosphere is an excellent tool for understanding the coupling 
                         mechanism between the neutral and ionized atmospheres. The lunar 
                         tide has been studied in the mesosphere-thermosphere-ionosphere in 
                         different longitudinal sectors and using different observational 
                         techniques and simulations. However, there are some aspects of 
                         lunar tide that still need explanation, for example, the temporal 
                         variability of this oscillation. So, in this work, the diurnal and 
                         semidiurnal lunar tides are investigated in the ionosphere using 
                         ionosonde data over Brazil. The ionosonde measurements were 
                         collected at Cachoeira Paulista (22.7 S; 45.0 W) and S{\~a}o 
                         Luis (2.6 S; 44 W) from 2001 to 2009 with a temporal resolution 
                         of 15 minutes. Using these data, it was possible to extract the 
                         characteristics of the lunar tide. Salient features of this 
                         oscillation are presented and discussed in this work. For 
                         instance, the semidiurnal lunar tide is dominant comparing to the 
                         diurnal tide and had amplitude of 0.6 MHz in foF2 and 7 km in 
                         hmF2.",
  conference-location = "Pasadena, California",
      conference-year = "14-22 July",
             language = "en",
        urlaccessdate = "28 nov. 2020"
}


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