Dozens of Alaska’s most remote streams and rivers are turning from a crystal clear blue into a cloudy orange, and the staining could be the result of minerals exposed by thawing permafrost, new ...
A section of Nome Creek in the White Mountains National Recreation Area, seen in June, shows how historic placer mining, which dredged much of the waterway, molded the bank into a scalloped rock wall.
During these late winter days, researchers who are studying the rusty discoloration of northern Alaska streams are prepping for summer field trips. Jon O’Donnell of the National Park Service is one of ...
Rivers and streams in Alaska are changing color – from a clean, clear blue to a rusty orange – because of the toxic metals released by thawing permafrost, according to a new study. The finding ...
The Mendenhall Glacier Visitor Center in Juneau (Claire Stremple/KTOO) A new study shows retreating glaciers are likely to open up thousands of miles of salmon spawning habitat by the year 2100. While ...
During a good year in Bristol Bay, a surge of more than 100 million pounds of sockeye salmon fights its way upstream, spawns, and dies. In Bristol Bay and elsewhere in Alaska, this incredible pulse of ...
An aerial view of the rust-colored Kutuk River in Gates of the Arctic National Park in Alaska. Thawing permafrost is exposing minerals to weathering, increasing the acidity of the water, which ...
During these late winter days, researchers who are studying the rusty discoloration of northern Alaska streams are prepping for summer field trips. Jon O’Donnell of the National Park Service is one of ...
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