An orange tributary of the Kugororuk River in Alaska.Joshua Koch, US Geological SurveyScientists say that dozens of waterways in Alaska are "rusting," or turning into a dirty orange.They said permafrost thawing in the summer is now exposing minerals to the surface, releasing metals and acid.Some brooks and streams are turning so acidic that they're comparable to lemon or orange juice.At least 75 of Alaska's brooks and streams have been turning a dirty orange likely due to thawing permafrost, with some rivers so impacted that the discoloration can be seen via satellite, a new study says.This phenomenon, which researchers say comes amid unusually rapid warming in the region, was first observed in the northwestern state in 2018, scientists told Business Insider's Jenny McGrath in January.The researchers have been stumped by it for years.
Alaska's Pristine Rivers Are Turning A Rusty Orange Even When Seen From Space, Likely Because Of Melting Permafrost: Study
mloh@businessinsider.com (Matthew Loh), Business Insider
Wed, 05/22/2024 - 9:38pm
Topics: donnell/national park service kugororuk river business insider's jenny mcgrath january communications earth environment july august rivers akillik river kobuk valley national park dolly varden slimy sculpin agashashok river anaktok creek salmon river biden november business insider alaska joshua koch us geological surveyscientists the kuguroruk river turning rusty orange permafrost study tributary ph researchers region due water minerals streams acidic lemon brooks acidity implications waterways acid administration tourism satellite typically thawing metals dirty rusting summer state years observed findings warming color billion fishing miles fish turned risk
BING NEWS:
- Alaska’s Orange Rivers
As permafrost melt accelerates in the Brooks Range region, minerals and metals locked away beneath the tundra are leaking into waterways.
06/13/2024 - 8:05 pm | View Link - Melting Permafrost Is Dumping Toxic Metal Into Alaska's Rivers
The metal doesn't just turn the water highly acidic—it also colors it bright orange, making them visible from space.
06/13/2024 - 7:14 am | View Link - Alaska's rivers are turning bright orange and as acidic as vinegar as toxic metal escapes from melting permafrost
Alaska's melting permafrost is dumping toxic metals into the state's rivers, turning them bright orange and making the water highly acidic. The contaminated rivers are so vibrant they can be seen from ...
06/12/2024 - 4:00 am | View Link - Why Melting Permafrost Is Turning Alaskan Streams Orange
A troubling sign of climate change are the nearly 600 miles of rivers in Alaska's Brooks Range that have been stained orange.
06/6/2024 - 9:52 pm | View Link - Alaska’s Arctic rivers turn rusty orange as permafrost thaws
By Liz Kimbrough Dozens of once-pristine rivers and streams in Alaska’s Brooks Range are turning an alarming shade of orange. The discoloration, according to a new study published in the journal ...
05/31/2024 - 10:09 am | View Link - More
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