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Estimating of gross primary production in an Amazon-Cerrado transitional forest using MODIS and Landsat imagery
Provedor de dados: 42
Autores: DANELICHEN,VICTOR H.M.; BIUDES,MARCELO S.; VELASQUE,MAÍSA C.S.; MACHADO,NADJA G.; GOMES,RAPHAEL S.R.; VOURLITIS,GEORGE L.; NOGUEIRA,JOSÉ S.
The acceleration of the anthropogenic activity has increased the atmospheric carbon concentration, which causes changes in regional climate. The Gross Primary Production (GPP) is an important variable in the global carbon cycle studies, since it defines the atmospheric carbon extraction rate from terrestrial ecosystems. The objective of this study was to estimate the GPP of the Amazon-Cerrado Transitional Forest by the Vegetation Photosynthesis Model (VPM) using local meteorological data and remote sensing data from MODIS and Landsat 5 TM reflectance from 2005 to 2008. The GPP was estimated using Normalized Difference Vegetation Index (NDVI) and Enhanced Vegetation Index (EVI) calculated by MODIS and Landsat 5 TM images. The GPP estimates were compared...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazon Basin; Cerrado; Carbon cycle; Climate change; Deforestation; Ecosystem function.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652015000401545