Amazon Forest Greens Up (IMAGE) University of Arizona Caption This image shows how the Amazon forest canopy's 'greenness' differs from normal for the months of July-September 2005 (drought peak). The greenness data is derived from NASA-EOS MODerate Imaging Spectroradiometer (MODIS) sensor aboard Terra Satellite. Green indicates above normal vegetation productivity compared to the 2000-2006 average, red indicates below normal, and yellow corresponds to normal . The study area is highlighted over a true color image background from NASA-EOS MODIS sensor for South America. Credit Kamel Didan, Terrestrial Biophysics and Remote Sensing Lab, The University of Arizona. Usage Restrictions This image may only be used to accompany a story about the research described in this news release. Credit for the image must be given as listed. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.