ArticleBody:Thawing permafrost may be turning clear water in some of Alaska’s remote watersheds into a dusty, murky orange. As the frozen layer of soil melts, minerals become exposed and seep into the water, according to a study published May 20 in the Nature journal Communications: Earth and Environment. “The more we flew around, we started noticing more and more orange rivers and streams,” study co-author and National Park Service ecologist Jon O’Donnel said in a statement.
Ken Hill/National Park Service. “There’s a lot of implications,” O’Donnell said. “As the climate continues to warm, we would expect permafrost to continue to thaw and so wherever there are these types of minerals, there’s potential for streams to be turning orange and becoming degraded in terms of water quality.” More detailed work is needed to better understand the problem and to see if rivers and streams can rebound after colder weather restores permafrost.
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