@Article{VieiraCuAlCaNeSe:2013:LaUsLa,
               author = "Vieira, Rita Marcia da Silva Pinto and Cunha, Ana Paula Martins do 
                         Amaral and Alval{\'a}, Regina C{\'e}lia dos Santos and Carvalho, 
                         Vitor Celso and Neto, Sebasti{\~a}o Ferraz and Sestini, Marcelo 
                         Francisco",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)} and {Instituto Nacional de 
                         Pesquisas Espaciais (INPE)} and {} and {} and {Instituto Nacional 
                         de Pesquisas Espaciais (INPE)}",
                title = "Land use and land cover map of a semiarid region of Brazil for 
                         meteorological and climatic models / Mapa de uso e cobertura da 
                         terra do semi{\'a}rido do Brasil para modelos clim{\'a}ticos e 
                         meteorol{\'o}gicos",
              journal = "Revista Brasileira de Meteorologia",
                 year = "2013",
               volume = "28",
               number = "2",
                pages = "129--138",
                month = "June",
             keywords = "mudan{\c{c}}a de uso da terra, modelos biof{\'{\i}}sicos, 
                         sensoriamento remoto, semi{\'a}rido, land use change, 
                         biogeophysical model, remote sensing, semiarid.",
             abstract = "Atrav{\'e}s da utiliza{\c{c}}{\~a}o de imagens digitais e 
                         t{\'e}cnicas de sensoriamento remoto, foi produzido um mapa de 
                         uso e cobertura da terra da regi{\~a}o do semi{\'a}rido do 
                         Brasil para aplica{\c{c}}{\~a}o em modelagem clim{\'a}tica. O 
                         mapa apresenta a localiza{\c{c}}{\~a}o e 
                         distribui{\c{c}}{\~a}o dos principais tipos de 
                         vegeta{\c{c}}{\~a}o e de forma{\c{c}}{\~o}es n{\~a}o 
                         vegetacionais da superf{\'{\i}}cie da terra para a regi{\~a}o 
                         Nordeste do Brasil. Neste estudo foram utilizadas mapas de 
                         vegeta{\c{c}}{\~a}o do Radambrasil e IBGE, mosaico digital de 
                         imagens Landsat 7 ETM+ e Landsat 5 TM do per{\'{\i}}odo de 
                         1999-2000. Para atualizar o mapa foram aplicadas t{\'e}cnicas de 
                         segmenta{\c{c}}{\~a}o e classifica{\c{c}}{\~a}o n{\~a}o 
                         supervisionada (ISOSEG). Foram mapeadas um total de sete classes 
                         de uso e cobertura da terra, que foram compatibilizadas com a 
                         legenda do modelo de superf{\'{\i}}cie Simplified Simple 
                         Biosphere SSiB para o uso em modelos clim{\'a}ticos e 
                         meteorol{\'o}gicos. A vegeta{\c{c}}{\~a}o nesta regi{\~a}o 
                         {\'e} caracterizada por diversos padr{\~o}es morfol{\'o}gicos, 
                         que dependem da localiza{\c{c}}{\~a}o geogr{\'a}fica e das 
                         condi{\c{c}}{\~o}es clim{\'a}ticas. Os resultados obtidos pelo 
                         mapeamento indicam um aumento consider{\'a}vel nas atividades 
                         agr{\'{\i}}colas e nas pastagens, e consequentemente, a 
                         redu{\c{c}}{\~a}o da vegeta{\c{c}}{\~a}o natural. Considerando 
                         que a regi{\~a}o {\'e} suscept{\'{\i}}vel a 
                         desertifica{\c{c}}{\~a}o, devido as suas condi{\c{c}}{\~o}es 
                         clim{\'a}ticas e ambientais, o mapa atualizado {\'e} de extrema 
                         import{\^a}ncia para estudos que envolvam os impactos das 
                         mudan{\c{c}}as dos usos e cobertura da terra no clima. ABSTRACT: 
                         An updated vegetation cover and land use map over a semiarid 
                         region of Brazil has been produced at a 1 km spatial resolution, 
                         using satellite data and remote sensing techniques, for 
                         application in climate modeling. The map presents the location and 
                         distribution of major vegetation types and non-vegetated land 
                         surface formations for the Northeast Brazil Region, which includes 
                         the semiarid region. In this study, Radambrasil and IBGE 
                         vegetation maps, a digital mosaic of ETM+ Landsat 7, and TM 
                         Landsat 5 images from the period 1999-2000 were used. To update 
                         the map, the techniques of segmentation and unsupervised 
                         classification (ISOSEG) were applied. A total of 7 land cover and 
                         land use categories were mapped according to the {"} Simplified 
                         Simple Biosphere {"} (SSiB) model legend. This map shows that 
                         there has been a considerable increase in agricultural activities 
                         and pasture area. The vegetation in this region is an intricate 
                         combination of different life forms (e.g., trees and shrubs 
                         forming a closed cover) in this region. The semiarid region of 
                         Brazil is susceptible to desertification due to climatic and 
                         environmental conditions. This updated map should provide 
                         important input for regional stratification in climate studies.",
                  doi = "10.1590/S0102-77862013000200002",
                  url = "http://dx.doi.org/10.1590/S0102-77862013000200002",
                 issn = "0102-7786",
                label = "scopus 2013-11",
             language = "en",
           targetfile = "v28n2a02.pdf",
        urlaccessdate = "02 maio 2024"
}