The Ebro River Delta, located along the eastern coast of Spain, is one of the largest wetland areas in the western Mediterranean region.
Published Jul 26, 2004
Canada’s Mackenzie River, the country’s longest, spills out of Great Slave Lake, just north of the border between Alberta and Northwest Territories.
Published Dec 20, 2007
In September 2010, water again flowed through this riverbed after several dry years.
Published Oct 8, 2010
In the past few centuries, a river in northwestern Canada stopped wandering and assumed a more direct route to the sea.
Published Sep 4, 2012
Chinese engineers changed the main channel through the delta, changing the shape of the land at the river’s mouth.
Published Jan 27, 2010
Between 1992 and 2009, a section of the lower Indus River changes course following the formation of an oxbow lake.
Published May 9, 2010
This astronaut photograph highlights a portion of the Saskatchewan River delta extending into Cedar Lake in the province of Manitoba, Canada. The Saskatchewan River watershed extends from the Rocky Mountains of Alberta through the plains of Saskatchewan and Manitoba to the east. Flooding of the Cedar Lake basin following the construction of the Grand Rapids Dam (to the southeast, not shown) in the 1960s created shallow, muddy lakes and bogs (dark green and blue irregular areas).
Published Oct 29, 2007
Spain's Ebro Delta has recently experienced tremendous shape-shifting.
Published Mar 13, 2018
The Colorado River is the largest watershed in the southwestern US, emptying into the Salton Trough before reaching the Sea of Cortez. Over the past 2-3 million years, river sediments built a delta that extends from the US-Mexico border for a distance of 87 miles (140 kilometers). However, today the Colorado River delta is undergoing significant erosion and diminishing in size due to the lack of sediment replenishment from upstream sources.
Published Jun 28, 2004
This wetland in the interior of Botswana is an oasis for biodiversity in the midst of the arid Kalahari Desert.
Published Jul 28, 2014
The Volga Delta has grown significantly over the past 130 years.
Published Nov 12, 2018
With so much of its water diverted, the Colorado River Delta has dried out and lost much of its vegetation and wildlife.
Published Jun 18, 2020
The largest lake on the Balkan Peninsula is colored by sediments eroded from the surrounding highlands.
Published May 31, 2020
A drought around South America’s second longest river has grounded ships and contributed to a rash of fire in the delta and floodplain.
Published Jul 29, 2020
One of Africa’s largest river systems reaches the Indian Ocean with less water and sediment today than in the past.
Published Dec 12, 2013
