Held in place by reinforced levees, the swollen Red River snakes through Fargo, North Dakota, and Moorhead, Minnesota, in this image captured by the Advanced Land Imager on the EO-1 satellite on March 28, 2009.
As they prepare for a satellite that will measure the height and areal extent of rivers in unprecedented detail, hydrologists have released a better map of North American river widths.
Acquired April 2, 2011, and February 27, 2011, these natural-color images show rising waters on the Kuiseb River, which flowed all the way to the Atlantic Ocean for the first time in decades.
Acquired April 6, 2011, March 18, 2011, and March 7, 2011, these false-color images show melting snow and rising water levels in North Dakota, South Dakota, and Minnesota.
An ancient collision between continents left a series of fractures in the bedrock around Virginia’s Massanutten Mountains. The event spawned some unusual zig-zagging stretches on the Shenandoah River.