Acquired August 1, 2011, and August 6, 2010, these false-color images compare conditions along the James River, a Missouri River tributary, in South Dakota.
In June 2008, intense spring rains pushed the Iowa River over its banks in Iowa City. Though the flood had started to recede when the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite captured the top image on June 22, the river was still swollen.