publication . Other literature type . Article . 2013

Ten-Year Landsat Classification of Deforestation and Forest Degradation in the Brazilian Amazon

Carlos Souza, Jr; João Siqueira; Marcio Sales; Antônio Fonseca; Júlia Ribeiro; Izaya Numata; Mark Cochrane; Christopher Barber; Dar Roberts; Jos Barlow;
  • Published: 28 Oct 2013
  • Publisher: MDPI AG
  • Country: United States
Abstract
Forest degradation in the Brazilian Amazon due to selective logging and forest fires may greatly increase the human footprint beyond outright deforestation. We demonstrate a method to quantify annual deforestation and degradation simultaneously across the entire region for the years 2000-2010 using high-resolution Landsat satellite imagery. Combining spectral mixture analysis, normalized difference fraction index, and knowledge-based decision tree classification, we mapped and assessed the accuracy to quantify forest (0.97), deforestation (0.85) and forest degradation (0.82) with an overall accuracy of 0.92. We show that 169,074 km2 of Amazonian forest was conve...
Subjects
free text keywords: Physical Geography and Environmental Geoscience, Geomatic Engineering, Classical Physics, deforestation, forest degradation, Amazon, decision tree, General Earth and Planetary Sciences, Land management, Amazon rainforest, Secondary forest, Agriculture, business.industry, business, Logging, Geology, Satellite imagery, Remote sensing, Forestry, Land use
Communities
Agricultural and Food Sciences
Socio-economic impact of digitalisation in rural areas
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publication . Other literature type . Article . 2013

Ten-Year Landsat Classification of Deforestation and Forest Degradation in the Brazilian Amazon

Carlos Souza, Jr; João Siqueira; Marcio Sales; Antônio Fonseca; Júlia Ribeiro; Izaya Numata; Mark Cochrane; Christopher Barber; Dar Roberts; Jos Barlow;