@InProceedings{BatistaSASCRJA:2018:OvF3La,
               author = "Batista, Inez Staciarini and Souza, Jonas Rodrigues de and Abdu, 
                         Mangalathayil Ali and Santos, A. M. and Candido, Cl{\'a}udia 
                         Maria Nicoli and Resende, Laysa Cristina Ara{\'u}jo and Jesus, 
                         Rodolfo de and Araujo, R. C. de",
          affiliation = "{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)} and {Instituto Nacional de Pesquisas Espaciais 
                         (INPE)} and {Instituto Nacional de Pesquisas Espaciais (INPE)} and 
                         {Instituto Nacional de Pesquisas Espaciais (INPE)} and 
                         {Universidade Federal de Roraima (UFRR)}",
                title = "An overview of F3 layer occurrence during quiet and disturbed 
                         periods",
            booktitle = "Resumos...",
                 year = "2018",
         organization = "Latin American Conference on Space Geophysics, 11. (COLAGE)",
             abstract = "The F3 layer is a low-latitude phenomenon that occurs under the 
                         combined effect of three factors: (1) upward vertical drift 
                         (eastward electric field), (2) equatorward meridional wind and (3) 
                         the usual photochemical and dynamical processes that form the 
                         regular F layer. The F3 layer will be formed at the region where 
                         the flux vectors are vertically upward or, in other words, at the 
                         region where the combined effect of vertical ExB drift, diffusion 
                         along the magnetic field lines and magnetic meridional component 
                         of the wind produces a net upward vertical component. Modelling 
                         results and satellite observations show that region of occurrence 
                         of the layer extends to ±15o dip latitude with the highest 
                         occurrences centered at around 7-8 degrees north or south of the 
                         magnetic equator, mainly in the summer hemisphere. Ground based 
                         measurements using ionosondes have been extensively used to study 
                         the occurrence of the F3 layer and its time evolution in different 
                         longitude sectors. Simultaneous measurements at conjugate 
                         locations in Brazilian as well as in Asian regions have been used 
                         in order to test the various theories about the F3 layer 
                         formation. In the present study we review the various theories and 
                         measurements and complement them with new observations of the 
                         latitudinal variation of the F3 layer in the Brazilian region.",
  conference-location = "Buenos Aires, Argentina",
      conference-year = "16-20 abr.",
             language = "en",
        urlaccessdate = "13 maio 2024"
}