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@InProceedings{MartinsPere:2003:EsCoTr,
               author = "Martins, Fernando Ramos and Pereira, Enio Bueno",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)}",
                title = "Estudo comparativo de tr{\^e}s algoritmos para 
                         obten{\c{c}}{\~a}o do coeficiente de cobertura efetiva de nuvens 
                         a partir de imagens de sat{\'e}lite GOES-8",
            booktitle = "Anais...",
                 year = "2003",
               editor = "Epiphanio, Jos{\'e} Carlos Neves and Fonseca, Leila Maria 
                         Garcia",
                pages = "2079--2081",
         organization = "Simp{\'o}sio Brasileiro de Sensoriamento Remoto, 11. (SBSR).",
            publisher = "INPE",
              address = "S{\~a}o Jos{\'e} dos Campos",
             keywords = "clouds, solar radiation, radiative transfer model, remote sensing, 
                         image processing.",
             abstract = "This short paper describes a comparative study among three 
                         techniques to obtain cloud cover index to be used as input data in 
                         radiative transfer model BRASIL-SR developed to derive all-sky 
                         surface global solar irradiation. The main goal is to establish 
                         the most reliable technique to prevent errors caused by permanent 
                         cloudy or clear sky conditions and cirrus contamination. The 
                         techniques produced almost identical results when applied to a 
                         ground-truth site in Florian{\'o}polis, as expected. This study 
                         will now proceed by using a new set of ground measurements from 
                         sites based in Caic{\'o} and Balbina to characterize extreme 
                         conditions of permanent clear and cloudy skies, respectively.",
  conference-location = "Belo Horizonte",
      conference-year = "5-10 abr. 2003",
           copyholder = "SID/SCD",
                 isbn = "85-17-00017-X",
             language = "Portuguese",
         organisation = "Instituto Nacional de Pesquisas Espaciais",
                  ibi = "ltid.inpe.br/sbsr/2002/11.11.17.17",
                  url = "http://urlib.net/rep/ltid.inpe.br/sbsr/2002/11.11.17.17",
           targetfile = "15_073.pdf",
                 type = "Processamento de Imagens Digitais / Digital Image Processing",
        urlaccessdate = "20 jan. 2021"
}


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