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Provedor de dados:  Repositório Alice
País:  Brazil
Título:  Land-use and land-cover mapping of the Brazilian cerrado based mainly on Landsat-8 satellite images.
Autores:  SCARAMUZZA, C. A. de M.
SANO, E. E.
ADAMI, M.
BOLFE, E. L.
COUTINHO, A. C.
ESQUERDO, J. C. D. M.
MAURANO, L. E. P.
NARVAES, I. da S.
OLIVEIRA FILHO, F. J. B. de
ROSA, R.
SILVA, E. B. da
VALERIANO, D. de M.
VICTORIA, D. de C.
BAYMA, A. P.
OLIVEIRA, G. H. de
SILVA, G. B. S. da
Data:  2018-04-27
Ano:  2017
Palavras-chave:  Savana tropical
Uso da cobertura
Ocupação da terra
Sensoriamento remoto
Uso da terra
Cerrado
Remote sensing
Land cover
Land use
Resumo:  The Brazilian Cerrado is one of the world´s biodiversity hotspot and hosts some of the most intensive agricultural activities for food production in the world. The objective of this study was to produce a land-use and land-cover (LULC) map of the Cerrado based on Landsat-8 Operational Land Imager (OLI) images. A set of 121 scenes from 2013 was processed using the image segmentation technique. The segments were exported in the shapefile format and interpreted visually in a geographical information system software using RGB/564 color composites. The following LULC classes were considered: annual croplands, perennial croplands, cultivated pasturelands, reforestation, mosaic of occupation, urban areas, mining areas, bare soil, forestlands, non-forestlands, water bodies, and non-identified (clouds and burned areas). The overall accuracy was estimated by an independent scientist with large experience in Cerrado´s image interpretation. The results showed that 43.4% of the study area (88.5 million hectares) were already converted into agricultural, urban and mining areas, 54.6% (111 million hectares) were still natural areas, and 1.9% (3.9 million hectares) was classified as non-identified. Cultivated pasturelands were the most representative land-use type (29.5%), followed by annual croplands (8.5%) and perennial croplands (3.1%). The overall accuracy of the final map was 80.2%.

bitstream/item/176085/1/Land-use-and-land-cover-mapping-of-the-brazilian.pdf

Título em português: Mapeamento de uso e cobertura de terras do cerrado com base principalmente em imagens do satélite Landsat-8.
Tipo:  Artigo em periódico indexado (ALICE)
Idioma:  Inglês
Identificador:  62557

http://www.alice.cnptia.embrapa.br/alice/handle/doc/1090969
Editor:  Revista Brasileira de Cartografia, Rio de Janeiro, v. 69, n. 6, p. 1041-1051, jun. 2017.
Relação:  Área de Informação da Sede - Artigo em periódico indexado (ALICE)
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