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| Extreme global warming of Cretaceous period punctuated with http://www.epgeology.com/news-f37/extreme-global-warming-cretaceous-period-punctuated-with-t8628.html |
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| Author: | NewsPoster [ Sat May 30, 2015 1:42 pm ] |
| Post subject: | Extreme global warming of Cretaceous period punctuated with |
Science Daily Geology Scientists have reconstructed the climatic development of the Arctic Ocean during the Cretaceous period, 145 to 66 million years ago. At that time the poles were devoid of ice and average temperatures of up to 35 degrees Celsius prevailed in the oceans. Yet new research shows there was a severe cold snap during the geological age known for its extreme greenhouse climate. What sparked the abrupt global cooling? Read more |
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