Study Suggests Climate Models Underestimate Future Warming
Scientists have found evidence that tropical Atlantic Ocean temperatures may have once reached 107°F (42°C)—about 25°F (14°C) higher than ocean temperatures today and warmer than a hot tub. The surprisingly high ocean temperatures, the warmest estimates to date for any place on Earth, occurred millions of year ago when carbon dioxide levels in Earth’s atmosphere were also high, but researchers say they may be an indication that greenhouse gases could heat the oceans in the future much more than currently anticipated. The study suggests that climate models underestimate future warming.
“These temperatures are off the charts from what we’ve seen before,” said Karen Bice, a paleoclimatologist at Woods Hole Oceanographic Institution (WHOI). Bice reported the findings Feb. 17 at the annual meeting of the American Association for the Advancement of Science (AAAS) in St. Louis and is also lead author of a study to be published in an upcoming issue of the journal Paleoceanography, published by the American Geophysical Union.
Shelley Dawicki | EurekAlert!
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