Recent changes in a remote Arctic lake are unique within the past 200,000 years

• Published in: Proceedings of the National Academy of Sciences
• Main Authors: Axford, Yarrow, Briner, Jason P., Cooke, Colin A., Francis, Donna R., Michelutti, Neal, Miller, Gifford H., Smol, John P., Thomas, Elizabeth K., Wilson, Cheryl R., Wolfe, Alexander P.
• Format: Text
• Language: English
• Published: National Academy of Sciences 2009
• Subjects: Physical Sciences; Arctic; Arctic Lake; Greenland; ice core; Ice Sheet
• Online Access: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2773966; http://www.ncbi.nlm.nih.gov/pubmed/19841265; https://doi.org/10.1073/pnas.0907094106

The Arctic is currently undergoing dramatic environmental transformations, but it remains largely unknown how these changes compare with long-term natural variability. Here we present a lake sediment sequence from the Canadian Arctic that records warm periods of the past 200,000 years, including the...