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Tuesday, March 29, 2011 4:45 PM EDT
International Business Times
http://www.ibtimes.com/articles/128257/20110329/nasa-global-warming-amazon-rainforest-de-greening.htm
A new study reveals a drought last year in the Amazon basin caused the forest to lose significant levels of vegetation, which in turn could accelerate the pace of global warming.
The study, conducted by an international team of scientists and funded by NASA, uses specific satellite imaging data provided by the agency to draw its conclusions. The Moderate Resolution Imaging Spectroradiometer (MODIS) and Tropical Rainfall Measuring Mission (TRMM) satellites provided more than a decade's worth of data for scientists who studied the de-vegetation of the Amazon rainforest.
The scientists say changing climates with warmer temperatures and altered rainfall could lead to the rainforests turning into grasslands or woody savannas. This causes carbon stored in the rotting wood to be released into the atmosphere, which would add to the greenhouse gases present.