NDLI: Classificação Digital do Uso e Cobertura da Terra na Amazônia com Base em Dados Orbitais ASTER

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Classificação Digital do Uso e Cobertura da Terra na Amazônia com Base em Dados Orbitais ASTER

Content Provider	Semantic Scholar
Author	Oliveira, Gabriel De Moraes, Elisabete Caria
Copyright Year	2013
Abstract	current and historical information about a large environment and of difficult access. Studies and projects have been developed to map land use and land cover in the region, using different methods and orbital sensors. The aim of this study was to analyse the temporal dynamics of land use and land cover for an area located in the central-eastern part of Rondônia state, using ASTER/Terra images and supervisioned digital classification using Bhattacharya algorithm. For that, two ASTER images of the days 07/29/2002 and 08/01/2003 referring to the product of surface reflectance (AST07XT) were used. The classification was processed in the software SPRING 5.0.6 and involved steps of image segmentation and collection of test and training samples. The results showed intense degradation due to deforestation in the region. It was verified that in the study area primary rainforest and pasture land represent 9% and 70%, respectively. Moreover, during the study period, there was suppression of 501.0 ha (≈6%) of the primary rainforest areas. The ASTER images have potential for land use and land cover studies in the Amazon region due especially to its finer minimum spatial resolution (15 m) than those sensors commonly used in the region.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://periodicos.ufpe.br/revistas/rbgfe/article/download/232953/26922
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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