In July 2019, a severe toxic algal bloom began spreading over the western basin of Lake Erie.
Published Aug 14, 2019Image of the Day Water Human Presence Remote Sensing Water Color
A bloom of freshwater cyanobacteria is the source of the vivid green color in western Lake Erie.
Published Sep 27, 2017
The 2015 season could be severe in Lake Erie and surrounding waters.
Published Aug 4, 2015
Algae covers much of Lake Erie’s western basin in these images, taken in early October 2011, when one the the largest blooms in recent decades spread across the lake.
Published Oct 14, 2011
Cyanobacteria have become a regular summer phenomenon in Lake Okeechobee and Lake Erie.
Published Jul 18, 2018
A massive algal bloom and storm-churned sediment color the Great Lakes in this image from October 9, 2011.
Published Oct 13, 2011
While leaves and crops on land took on typical fall colors of orange and brown, the lake displayed vivid shades of green.
Published Sep 26, 2017
Microcystis blooms have become a regular occurrence on the lake. In 2014, the bloom was especially intense around the water intake for Toledo, Ohio, causing managers to warn residents not to consume public drinking water for several days.
Published Aug 5, 2014Image of the Day Life Water Human Presence Remote Sensing Water Color
An early summer algae bloom in Florida’s Lake Okeechobee has been blamed for affecting water quality downstream all the way to the Atlantic Ocean.
Published Jul 6, 2016
Sediments and algae swirled across the lake surface on the first day of spring.
Published Mar 24, 2012
Algae blooms, whiting events, and wind-stirred sediments are part of a dynamic yearly pattern in the surface waters of this Great Lake.
Published Jun 16, 2016
Late August 2010 provided a rare satellite view of a cloudless summer day over the entire Great Lakes region of North America.
Published Sep 7, 2010
Filaments of green scum swirl across the surface of Guatemala’s Lake Atitlán in this photo-like image taken by NASA’s EO-1 satellite on November 27, 2009.
Published Dec 3, 2009
Lake Erie’s shallowness not only makes it more prone to fluctuating water levels, but also enables this lake to freeze and thaw more readily than its neighbors.
Published Mar 16, 2007
Warm temperatures followed by an influx of nutrients sparked a series of phytoplankton blooms in the Louisiana lake.
Published Apr 10, 2018
A large bloom of cyanobacteria, more commonly known as blue-green algae, spread across Guatemala’s Lake Atitlán in green filaments and strands that are clearly visible in this simulated-natural-color image from November 22, 2009.
Published Nov 28, 2009
These images of the five Great Lakes show ice beginning to build up around the shores of each of the lakes, with snow on the ground across virtually the entire scene.
Published Jan 28, 2005
