Acquired on March 17, 2010 (top), and August 5, 2009 (bottom), these false-color images show differences in vegetation and river levels at different times of year.
Acquired May 8, 2011, April 29, 2011, and May 3, 2010, these false-color images show water levels along the Mississippi River between Memphis and Vicksburg.
Acquired September 11, 2011, and September 10, 2010, these false-color images show the Indian state of Orissa, which experienced severe flooding in September 2011.