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@InProceedings{AbaldeSaFaFrPiBi:2009:ObDeEq,
               author = "Abalde, Jos{\'e} Ricardo and Sahai, Yogeshwar and Fagundes, Paulo 
                         Roberto and Freitas, Tomas Ferreira de and Pillat, Valdir Gil and 
                         Bittencourt, Jos{\'e} Augusto",
          affiliation = "{Universidade do Vale do Para{\'{\i}}ba} and {Universidade do 
                         Vale do Para{\'{\i}}ba} and {Universidade do Vale do 
                         Para{\'{\i}}ba} and {Universidade do Vale do Para{\'{\i}}ba} 
                         and {Universidade do Vale do Para{\'{\i}}ba} and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)}",
                title = "Observations of detached equatorial ionospheric plasma 
                         depletions",
            booktitle = "Proceedings...",
                 year = "2009",
         organization = "Iaga, 2009.",
             keywords = "ionospheric plasma irregularities, plasma bubbles, Brasilian 
                         sector.",
             abstract = "Near-simultaneous all-sky (180o field of view) observations of the 
                         OI 630.0 nm and OI 777.4 nm nightglow emissions are being carried 
                         out on a routine basis at Lab oratorio Nacional de Astrofisica - 
                         LNA, Brazopolis (22.5o S, 45.6o W; dip latitude 17.5o S; altitude 
                         1860 m), Brazil, since September 2002. The all-sky imaging 
                         observations of the OI 630.0 nm and OI 777.4 nm emissions, which 
                         arise from the dissociative recombination of O2+ ions and 
                         radiative recombination of O+ ions (mainly), respectively, are 
                         used to monitor the morphology and dynamics of equatorial F-region 
                         at the respective emission heights. In this paper we present and 
                         discuss the first observations showing detached equatorial 
                         F-region plasma depletions or bubbles. Three cases are presented 
                         from observations during the years 2002 and 2003. We suggest a 
                         possible mechanism for their generation.",
  conference-location = "Sopron, Hungary",
      conference-year = "23-30 Aug.",
             language = "en",
        urlaccessdate = "24 jan. 2021"
}


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