Agricultural land use and cover change in the Cerrado/Amazon ecotone: A case study of the upper Teles Pires River basin
Autor: | Ana Paula Sousa Rodrigues Zaiatz, Cornélio Alberto Zolin, Tarcio Rocha Lopes, Laurimar Gonçalves Vendrusculo, Janaina Paulino |
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Přispěvatelé: | ANA PAULA SOUSA RODRIGUES ZAIATZ, UFMT, CORNELIO ALBERTO ZOLIN, CPAMT, LAURIMAR GONCALVES VENDRUSCULO, CNPTIA, TARCIO ROCHA LOPES, Esalq/USP, JANAINA PAULINO, UFMT. |
Rok vydání: | 2018 |
Předmět: |
territorial management
Science (General) 010504 meteorology & atmospheric sciences Biome Bacia hidrográfica do alto Teles Pires Drainage basin Gestão territorial Structural basin 01 natural sciences Q1-390 remote sensing Agricultural land Amazon Basin 0105 earth and related environmental sciences geography.geographical_feature_category Land use Amazon rainforest Sistema de Informação Geográfica 04 agricultural and veterinary sciences Ecotone Geographic information systems Bacia Amazônica GIS Geography Thematic Mapper 040103 agronomy & agriculture 0401 agriculture forestry and fisheries Physical geography General Agricultural and Biological Sciences Sensoriamento Remoto |
Zdroj: | Acta Amazonica v.48 n.2 2018 Acta Amazonica Instituto Nacional de Pesquisas da Amazônia (INPA) instacron:INPA Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice) Empresa Brasileira de Pesquisa Agropecuária (Embrapa) instacron:EMBRAPA Acta Amazonica, Vol 48, Iss 2, Pp 168-177 (2018) |
ISSN: | 1809-4392 0044-5967 |
DOI: | 10.1590/1809-4392201701930 |
Popis: | The upper Teles Pires River basin is a key hydrological resource for the state of Mato Grosso, but has suffered rapid land use and cover change. The basin includes areas of Cerrado biome, as well as transitional areas between the Amazon and Cerrado vegetation types, with intensive large-scale agriculture widely-spread throughout the region. The objective of this study was to explore the spatial and temporal dynamics of land use and cover change from 1986 to 2014 in the upper Teles Pires basin using remote sensing and GIS techniques. TM (Thematic Mapper) and TIRS (Thermal Infrared Sensor) sensor images aboard the Landsat 5 and Landsat 8, respectively, were employed for supervised classification using the "Classification Workflow" in ENVI 5.0. To evaluate classification accuracy, an error matrix was generated, and the Kappa, overall accuracy, errors of omission and commission, user accuracy and producer accuracy indexes calculated. The classes showing greatest variation across the study period were "Agriculture" and "Rainforest". Results indicated that deforested areas are often replaced by pasture and then by agriculture, while direct conversion of forest to agriculture occured less frequently. The indices with satisfactory accuracy levels included the Kappa and Global indices, which showed accuracy levels above 80% for all study years. In addition, the producer and user accuracy indices ranged from 59-100% and 68-100%, while the errors of omission and commission ranged from 0-32% and 0-40.6%, respectively. Made available in DSpace on 2018-05-15T00:39:50Z (GMT). No. of bitstreams: 1 2018cpamtzolinagriculturallandcovercerradocasestudytelespires.pdf: 2869393 bytes, checksum: bfe83f0d583dc2ef20ecccbc935d615d (MD5) Previous issue date: 2018-05-14 |
Databáze: | OpenAIRE |
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