The northern Great Lakes are praised for being clean, but these aquatic systems don't exist in a vacuum. Contaminants still find their way into lake water and sediments. Mercury is of particular interest because of its toxicity ...
Environment
Mar 18, 2016
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Scientists say the longest period on record of abnormally low Great Lakes water levels has ended, but it's uncertain whether the recovery is temporary or the beginning of a new long-term trend.
Environment
Dec 10, 2014
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An international team of geologists has a new explanation for how the Midwest's biggest geological feature—an ancient and giant 2,000-mile-long underground crack that starts in Lake Superior and runs south to Oklahoma and ...
Earth Sciences
Oct 16, 2014
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After years of parched shorelines, water levels in the Great Lakes have come rushing back. The crowds that flock to the Superior shoreline this summer are finding harbors deeper and beaches narrower than they've been in 15 ...
Environment
Jul 8, 2014
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(Phys.org) —Surface-water temperatures above the deepest parts of Lake Superior are expected to be at least 6 degrees Fahrenheit colder than normal by August, delaying the onset of the evaporation season and raising water ...
Environment
Jun 3, 2014
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A scientific report says the wolf population of Isle Royale National Park in Lake Superior is dangerously low for the third consecutive year, while moose numbers are steadily rising.
Ecology
Apr 30, 2014
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(Phys.org) —Geologists from Northwestern University, the University of Illinois at Chicago, the University of Oklahoma and Purdue University have a new explanation for the Midwest's biggest geologic mystery: What caused ...
Earth Sciences
Mar 11, 2014
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At night, as cold settles in, lake ice creaks and groans. It's been excessively cold, and I camped exposed on the snow-swept surface. Other than the lack of vegetation and the sounds at night, you'd never know you were on ...
Earth Sciences
Feb 28, 2014
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From the bridge of the Coast Guard cutter Mackinaw, northern Lake Huron looks like a vast, snow-covered field dotted with ice slabs as big as boulders—a battleground for the icebreaker's 58-member crew during one of the ...
Environment
Feb 15, 2014
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This winter's frigid temperatures have produced the largest amount of ice cover on the Great Lakes in at least 25 years.
Environment
Jan 29, 2014
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