Assessment of deforestation in near real time over the Brazilian Amazon using multitemporal fraction images derived from Terra MODIS

We present a methodology for rapidly assessing deforestation over the Amazon region needed for policy intervention. We use soil fraction images generated from Moderate Resolution Imaging Spectroradiometer (MODIS) data at 250-m spatial resolution. Results showed reasonable agreement with higher resol...

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Bibliographic Details
Published in:IEEE geoscience and remote sensing letters 2005-07, Vol.2 (3), p.315-318
Main Authors: Anderson, L.O., Shimabukuro, Y.E., Defries, R.S., Morton, D.
Format: Article
Language:English
Subjects:
Amazon region
Biodiversity
Biosensors
deforestation
Earth Observing System
fraction images
Image sensors
Moderate Resolution Imaging Spectroradiometer (MODIS) sensor
MODIS
Monitoring
Pixel
Remote sensing
Satellite broadcasting
Spatial resolution
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Summary:We present a methodology for rapidly assessing deforestation over the Amazon region needed for policy intervention. We use soil fraction images generated from Moderate Resolution Imaging Spectroradiometer (MODIS) data at 250-m spatial resolution. Results showed reasonable agreement with higher resolution Landsat data (r/sup 2/=0.73) for our study area. MODIS data are promising for near real-time deforestation monitoring, previously not practical with Landsat data.
ISSN:1545-598X
1558-0571
DOI:10.1109/LGRS.2005.850364