Sensoriamento remoto da vegetação: evolução e estado-da-arte
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Data
2008
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Resumo
Systematic surveys of the vegetative cover in Brazil include the semi-detailed mappings
conducted within the scope of the Radam and Radambrasil projects, between 1971 and
1977, based on side-looking airborne radar images, and more recently, the assessments,
based on Landsat 7 ETM+ imagery, of the remnant vegetation cover of the Brazilian biomes
(MMA/PROBIO), finished in 2006. In a little more than 30 years, many changes have
occurred, both in vegetation cover as well as in orbital remote sensing. In this review article,
we discuss, from a conceptual and technological perspective, the evolution and the state of
the art of imager sensors, as well as some of the enhancement techniques utilized for
decoding (e.g., in biophysical parameters, etc.) and classifying the spectral response of
vegetation. Likewise, we present the main current (pioneering) initiatives for land cover
monitoring of the Brazilian biomes.
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Palavras-chave
Remote sensing vegetation, Monitoring brazilian biomes, Sensor systems, Sensoriamento remoto da vegetação, Sistemas sensores, Monitoramento dos biomas brasileiros
Citação
FERREIRA, Laerte Guimarães; FERREIRA, Nilson Clementino; FERREIRA, Manuel Eduardo. Sensoriamento remoto da vegetacao: evolucao e estado-da-arte. Acta Scientiarum. Biological Sciences, Maringá, v. 30, n. 4, p. 379-390, 2008.