Dense green vegetation gives way to pale fields in these satellite images of deforestation in Brazil's Amazon rainforest. This image is from NASA's Terra satellite.
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Mato Grosso, Brazil

Click here to view the high resolution Landsat image    Click here to view the high resolution ASTER image
Landsat image
High resolution TIFF
   ASTER image
High resolution TIFF

Dense green vegetation gives way to pale fields in these satellite images of deforestation in Brazil's Amazon rainforest.

The image on the left, from the Landsat Thematic Mapper in 1992, shows the beginning of agricultural development in a region of the southwestern state of Mato Grosso. On the right is an image of the same area in 2006 from the Advanced Spaceborne Thermal Emission Radiometer (ASTER) instrument flying on NASA's Terra satellite.

In 1992, about 25 percent of the region shown had been clear-cut for pastures and farms, mostly in the southern part of the area. Less than two decades later, more than 80 percent of the rainforest had been cut down.

Figures released by Brazil's National Institute of Space Research, which uses satellite observations to monitor the country's rainforest, show that since 1988, when 21,000 square kilometers of rainforest were cleared, the average deforestation rate has been about 19,000 square kilometers per year.

In 2006, the Brazilian government announced that the annual rate of deforestation in the country had dramatically declined. But, earlier this year, it reported an unprecedented sharp rise in forest destruction, naming Mato Grosso as one of the regions hardest hit. Rising prices for commodities such as soybeans, of which Mato Grosso is already a major producer, may be helping spur the land clearing.

The ASTER image was acquired July 28, 2006, and covers an area about 15 by 45 kilometers (about 9 by 28 miles) located near 9.7 degrees south latitude and 55.2 west longitude.

The ASTER instrument, provided by Japan's Ministry of Economy Trade and Industry, is designed to obtain high-resolution global, regional and local images of Earth in 14 color bands.

The U.S. science team is located at NASA's Jet Propulsion Laboratory, Pasadena, Calif. The Terra mission is part of NASA's Science Mission Directorate.

More information about ASTER is available at

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Earth Observing System (EOS)


Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER)



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