Wild patterns on the water's surface are evidence of the fluid dynamics that occur when fresh river water meets sea water.
Published Aug 20, 2018Flowing past the city of Vancouver, the Fraser River delivers a thick plume of sediment to the Strait of Georgia.
Published Mar 14, 2012Acquired February 27, 2011, this natural-color image shows pools of water extending from the Kuiseb River to Walvis Bay, Namibia.
Published Mar 22, 2011High tides in the funnel-shaped bay are anything but a bore when they collide with river water flowing in the opposite direction.
Published Oct 28, 2019A drop of water that falls in central New York takes a long ride to the sea. It flows past some extraordinary natural features that help tell the story of how the Chesapeake Bay came to be.
Published Jul 22, 2016Gullies in the highlands called lavakas are a major source of sediment.
Published Feb 10, 2018Dissolved organic matter from forests and wetlands stained the water dark brown near Rupert Bay. A similar process darkens tea.
Published Oct 1, 2016Snow and ice cover the landscape around this basin of Lake Michigan.
Published Mar 24, 2014Two storms—Tropical Storm Eric and Cyclone Fanele—swept across eastern Madagascar within days of each other in January 2009. Rain from the storms swelled the Betsiboka River with floodwater.
Published Mar 30, 2009Ships, airplanes, and satellites all play a role in monitoring Chesapeake water quality, algae blooms, and dead zones.
Published Nov 2, 2016Acquired March 23, 2010, this natural-color image shows an agricultural area immediately south of the Betsiboka River, roughly 40 kilometers from the coast. The beige-and-green area filling most of the image is flooded.
Published Mar 26, 2010The braided river carries iron-rich sediment from the high central plateau and mountains down through complex, woven channels and vegetated islands.
Published Nov 4, 2018Sediment-rich water flowed down the river after a string of strong thunderstorms hit central Pennsylvania.
Published Nov 7, 2019