Start Date: End Date: Published Date Data Date
Data acquired January 1 - December 31, 2002 720 x 360 PNG
Data acquired January 1 - December 31, 2002 3600 x 1800 6 MB - PNG
Data acquired January 1 - December 31, 2008 720 x 360 PNG
Data acquired January 1 - December 31, 2008 3600 x 1800 6 MB - PNG
The sum of Earth's plants, on land and in the ocean, changes slightly from year to year as weather patterns shift. This pair of images contrasts average plant growth in 2002 to growth in 2008, revealing small interannual changes.
NASA images created by Rob Simmon and Jesse Allen, using ocean chlorophyll data provided courtesy of the SeaWiFS Project and vegetation data courtesy of the Global Mapping and Modelling & Mapping Studies (GIMMS) project. Caption by Holli Riebeek.
Published June 6, 2009 Data acquired January 1 - December 31, 2008