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Pacific Hot Spells Shifting as Predicted in Human-Heated World http://apocadocs.com/s.pl?1283022985
Federal researchers have published work concluding that a particular variant of the periodic El Niņo warmups of the tropical Pacific Ocean is becoming more frequent and stronger. The pattern appears to fit what is expected from human-driven warming of the global climate, said the researchers, Tong Lee of NASA's Jet Propulsion Laboratory and Michael McPhaden of the Pacific Marine Environmental Laboratory, part of the National Oceanic and Atmospheric Administration....
"The two threads of evidence together-from data and from computer models--suggest that climate change is affecting El Nino, rather than a natural variation in El Nino causing trends that may appear as if they are the result of man-made climate change. We can't be 100 percent certain that this interpretation is correct because the data are limited and the models are imperfect. But it provides us a plausible working hypothesis for further investigation into the nature and impacts of a changing face to El Nino."... "To add to that, some folks have suggested the possibility of natural variability in causing the warming (for example, we just happen to capture the rising part of a 60-year natural cycle). While that is possible, the so-called Pacific Decadal Oscillation (PDO) index that is used to characterize decadal and multi-decadal variability of the Pacific Ocean has not shown a significant increasing or decreasing three-decade trend from the 1980's to the 2000's (it's dominated by quasi-decadal fluctuation since 1980). So it's difficult to blame the El Niņo change to PDO."
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[Read more stories about:
anthropogenic change, ocean warming, global warming]
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Can't blame El Nino, can't blame PDO. Why isn't science doing its job?
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