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@Article{TakahashiWDPPCOSGIS:2016:IoTEWe,
               author = "Takahashi, Hisao and Wrasse, Cristiano Max and Denardini, Clezio 
                         Marcos and P{\'a}dua, Marcelo Banik de and Paula, Eurico 
                         Rodrigues de and Costa, S. M. A. and Otsuka, Y. and Shiokawa, K. 
                         and Galera Monico, J. F. and Ivo, Andr{\'e} Aparecido de Souza 
                         and Sant'Anna, Nilson",
          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 Brasileiro de Geografia e 
                         Estat{\'{\i}}stica (IBGE)} and {Nagoya University} and {Nagoya 
                         University} and {Universidade Estadual Paulista (UNESP)} and 
                         {Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)}",
                title = "Ionospheric TEC weather map over South America",
              journal = "Space Weather",
                 year = "2016",
               volume = "14",
               number = "9",
                pages = "2016SW001474",
                 note = "{Setores de Atividade: Pesquisa e desenvolvimento 
                         cient{\'{\i}}fico.}",
             keywords = "Total Electron Content, Space Weather, GNSS Data, Aeronomy.",
             abstract = "Ionospheric weather maps using the total electron content (TEC) 
                         monitored by ground-based Global Navigation Satellite Systems 
                         (GNSS) receivers over South American continent, TECMAP, have been 
                         operationally produced by Instituto Nacional de Pesquisas 
                         Espaciaiss Space Weather Study and Monitoring Program (Estudo e 
                         Monitoramento Brasileiro de Clima Especial) since 2013. In order 
                         to cover the whole continent, four GNSS receiver networks, (Rede 
                         Brasileiro de Monitoramento Cont{\'{\i}}nuo) RBMC/Brazilian 
                         Institute for Geography and Statistics, Low-latitude Ionospheric 
                         Sensor Network, International GNSS Service, and Red Argentina de 
                         Monitoreo Satelital Continuo, in total ~140 sites, have been used. 
                         TECMAPs with a time resolution of 10 min are produced in 12 h time 
                         delay. Spatial resolution of the map is rather low, varying 
                         between 50 and 500 km depending on the density of the observation 
                         points. Large day-to-day variabilities of the equatorial 
                         ionization anomaly have been observed. Spatial gradient of TEC 
                         from the anomaly trough (total electron content unit, 1 TECU = 
                         1016 el m2 (TECU) <10) to the crest region (TECU > 80) causes a 
                         large ionospheric range delay in the GNSS positioning system. 
                         Ionospheric plasma bubbles, their seeding and development, could 
                         be monitored. This plasma density (spatial and temporal) 
                         variability causes not only the GNSS-based positioning error but 
                         also radio wave scintillations. Monitoring of these phenomena by 
                         TEC mapping becomes an important issue for space weather concern 
                         for high-technology positioning system and telecommunication.",
                  doi = "10.1002/2016SW001474",
                  url = "http://dx.doi.org/10.1002/2016SW001474",
                 issn = "1542-7390",
                label = "lattes: 8030262077949409 3 TakahashiWNPPCOSMIS:2016:IoTEWe",
             language = "en",
           targetfile = "takahashi_ionospheric.pdf",
        urlaccessdate = "04 dez. 2020"
}


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