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.
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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