@InProceedings{XaudEpipXaud:2013:AnDiMu,
               author = "Xaud, Maristela Ramalho and Epiphanio, Jos{\'e} Carlos Neves and 
                         Xaud, Haron Abrahim Magalh{\~a}es",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)} and {Instituto Nacional de 
                         Pesquisas Espaciais (INPE)}",
                title = "An{\'a}lise da din{\^a}mica das mudan{\c{c}}as de uso e 
                         cobertura da terra no sudeste de Roraima-Amaz{\^o}nia 
                         Setentrional, atrav{\'e}s da subtra{\c{c}}{\~a}o de 
                         imagens-fra{\c{c}}{\~a}o",
            booktitle = "Anais...",
                 year = "2013",
               editor = "Epiphanio, Jos{\'e} Carlos Neves and Galv{\~a}o, L{\^e}nio 
                         Soares",
                pages = "7523--7531",
         organization = "Simp{\'o}sio Brasileiro de Sensoriamento Remoto, 16. (SBSR)",
            publisher = "Instituto Nacional de Pesquisas Espaciais (INPE)",
              address = "S{\~a}o Jos{\'e} dos Campos",
             abstract = "This study approached land use and land cover change dynamics in 
                         altered areas, through the study of conversions presented in 
                         agricultural colonization areas in the southeastern region of 
                         Roraima, Brazil. We used TM/Landsat optical images, processed by 
                         linear spectral mixing modeling, generating fraction images (soil, 
                         vegetation and shade) and applied as change detection technique, 
                         subtraction of fraction images. The difference-images were 
                         classified by Bhattacharyya algorithm, mapping existing 
                         conversions, according to field survey. The clustering of 
                         conversions according to the characteristics of gain and loss of 
                         biomass provided better classification performance, observed by 
                         the significant increase of Kappa. Conversions were analyzed in 
                         relation of colonization projects and distance to roads (BR-210 
                         and vicinal roads). The results showed a predominance of opening 
                         conversions in newer colonization project areas (Entre Rios and 
                         S{\~a}o Luiz{\~a}o). S{\~a}o Jo{\~a}o da Baliza and Caroebe 
                         presented similar behavior in relation to the existing 
                         conversions, being the majority of them indicative of land use 
                         changes, which may explain the tendency of these regions to the 
                         livestock activity, as observed in the field survey. Entre Rios 
                         colonization project presented the highest total conversion area, 
                         with total of 28,408 ha in the studied period (2004-2010). 
                         Regarding the distance to roads, Entre Rios, Baliza and Caroebe 
                         presented new openings in more distant areas than S{\~a}o 
                         Luiz{\~a}o, featuring further advance in the forest area. 
                         Regarding the distance to BR-210, Baliza and Caroebe showed the 
                         concentration of opening conversions farther than Entre Rios, 
                         meaning greater penetration of vicinal roads in these two 
                         regions.",
  conference-location = "Foz do Igua{\c{c}}u",
      conference-year = "13-18 abr. 2013",
                 isbn = "{978-85-17-00066-9 (Internet)} and {978-85-17-00065-2 (DVD)}",
                label = "905",
             language = "pt",
         organisation = "Instituto Nacional de Pesquisas Espaciais (INPE)",
                  ibi = "3ERPFQRTRW34M/3E7GGPA",
                  url = "http://urlib.net/ibi/3ERPFQRTRW34M/3E7GGPA",
           targetfile = "p0905.pdf",
                 type = "Mudan{\c{c}}a de Uso e Cobertura da Terra",
        urlaccessdate = "03 maio 2024"
}