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Human activities linked to warming and loss of sea ice http://apocadocs.com/s.pl?1313455290
About half the recent record loss of Arctic sea ice can be blamed on global warming caused by human activity, according to a new study by scientists from the nation's leading climate research center. The peer-reviewed study, funded by the National Science Foundation, is the first to attribute a specific proportion of the ice melt to greenhouse gases and particulates from pollution.
The study used supercomputers named Bluefire and Franklin and one of the world's most sophisticated climate models to reach its conclusions, said lead author Jennifer Kay, a staff scientist at the National Center for Atmospheric Research. The paper was published last week in the scientific journal Geophysical Research Letters.
In a telephone interview from Boulder, Colo., where NCAR is headquartered, Kay said her study was an attempt to learn how much Arctic Ocean melting can be attributed to "natural variability" -- complex changes wrought by non-human forces -- and how much has been caused by greenhouse gases such as carbon dioxide and by atmospheric particulates.
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[Read more stories about:
anthropogenic change, arctic meltdown, climate impacts, holyshit, airborne pollutants]
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