@Article{GuharayBatiBuriSchu:2020:Si27Os,
               author = "Guharay, Amitava and Batista, Paulo Prado and Buriti, Ricardo 
                         Arlen and Schuch, Nelson Jorge",
          affiliation = "Physical Research Laboratory, Ahmedabad, GJ, India and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)} and {Universidade Federal 
                         de Campina Grande (UFCG)} and {Instituto Nacional de Pesquisas 
                         Espaciais (INPE)}",
                title = "Signature of the 27-day oscillation in the MLT tides and its 
                         relation with solar radiation at low latitudes",
              journal = "Earth, Planets and Space",
                 year = "2020",
               volume = "72",
               number = "1",
                pages = "e51",
                month = "Apr.",
             keywords = "27-day oscillation, Tides in the MLT, Meteor radar observations.",
             abstract = "The modulation of the dominant atmospheric tides (i.e. diurnal, 
                         semidiurnal and terdiurnal) in the mesosphere and lower 
                         thermosphere (MLT) is investigated using long-term meteor wind 
                         database from three Southern hemispheric low-latitude locations, 
                         Sao Joao do Cariri (7.4 degrees S, 36.5 degrees W), Cachoeira 
                         Paulista (22.7 degrees S, 45 degrees W) and Santa Maria (29.7 
                         degrees S, 53.7 degrees W). The spectral analysis reveals an 
                         evident and intermittent signature of a 27-day oscillation in the 
                         tidal amplitudes. Relationship between the 27-day tidal modulation 
                         in the MLT and solar rotation is looked into utilizing solar UV 
                         flux (Lyman-alpha) that indicates a conspicuous linkage of the 
                         tides with the solar short-term variability. The strong 
                         correlation between the solar variability and tidal modulation in 
                         the concerned period with positive lags at certain intervals may 
                         indicate predominate solar influence on the MLT tides. Potential 
                         involvement of the lower, middle and upper atmospheric dynamics 
                         and chemistry to support the observed oscillation feature is 
                         deemed plausible.",
                  doi = "10.1186/s40623-020-01149-7",
                  url = "http://dx.doi.org/10.1186/s40623-020-01149-7",
                 issn = "1880-5981",
             language = "en",
           targetfile = "guharay_signature.pdf",
        urlaccessdate = "27 abr. 2024"
}