Friday, October 23, 2009

Arctic Sediments Show That 20th Century Warming Is Unlike Natural Variation

PNAS paper indicates that changes since the middle of the 20th century are unprecedented

Since the mid-20th century, changes seen in Arctic sediments retrieved by UB geologist Jason Briner and his colleagues, are unprecedented in the last 200,000 years.

Contact

Ellen Goldbaum

goldbaum@buffalo.edu

716-645-4605

Release Date: October 19, 2009

Buffalo, N.Y. – The possibility that climate change might simply be a natural variation like others that have occurred throughout geologic time is dimming, according to evidence in a Proceedings of the National Academy of Sciences paper published today.

The research reveals that sediments retrieved by University at Buffalo geologists from a remote Arctic lake are unlike those seen during previous warming episodes.

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