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@InProceedings{BrumSantPere:2023:LaVaAt,
               author = "Brum, Christiano Garnett Marques and Santos, Angela Machado dos 
                         and Perez, Giana",
          affiliation = "{Arecibo Observatory} and {Instituto Nacional de Pesquisas 
                         Espaciais (INPE)} and {Stanford University}",
                title = "Latitudinal variation of atmospheric solar tides modes of the 
                         ionospheric peak parameters over the American sector during the 
                         deep solar minimum of the transition between solar cycles #23 and 
                         #24",
            booktitle = "Proceedings...",
                 year = "2023",
         organization = "AGU FAll Meeting",
            publisher = "AGU",
             abstract = "This work will present the contribution of solar atmospheric tides 
                         (amplitude, diurnal, semidiurnal, and terdiurnal modes) on the 
                         variability of the parameters of critical frequency (foF2) and 
                         peak height of the F2-layer (hmF2) in the American sector during 
                         the transition of solar cycles #23 and #24, a period considered 
                         one of the lowest solar activities of the modern era. For that, 
                         the digisonde data available in the GIRO data center were analyzed 
                         (12 stations), and the solar modes were evaluated regarding their 
                         amplitude, latitude, and seasonal dependence. The results 
                         preliminary showed that the amplitude of foF2 and hmF2, and the 
                         different components of tides seem to be strongly dependent on 
                         latitude. In general, the amplitude and tides modes are higher for 
                         the regions near the equator, except for hmF2 diurnal tide, which 
                         is more intense at latitudes further distant from the equator. 
                         However, for this same mode, it was possible to note that there is 
                         a decrease in the intensity of hmF2 for latitudes higher than 60o, 
                         which is the opposite of what is observed in the amplitude of the 
                         peak height parameter. Moreover, the seasonal variability of the 
                         amplitude of hmF2 in most of the cases presented an annual and 
                         semiannual component. Likewise, what was observed in foF2, the 
                         variability in the amplitude and different modes of tides of hmF2 
                         are higher over the sectors located in the southern hemisphere. 
                         Similar to foF2, the terannual behavior also was observed in some 
                         localities both in the northern and the southern hemispheres.",
  conference-location = "San Francisco, CA",
      conference-year = "11-15 Dec. 2023",
                label = "self-archiving-INPE-MCTIC-GOV-BR",
             language = "en",
        urlaccessdate = "27 abr. 2024"
}


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