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Posted Tue Jan 18 2011: from PNAS, via EnvironmentalResearchWeb:
Gulf Stream edging northwards along Canadian coast
The Gulf Stream off eastern Canada appears to have advanced northward of its historical position in recent decades, possibly in response to anthropogenic climate change. That is according to researchers in North America and Switzerland who say that the changes could have some profound implications for marine life off the coast of Canada.... As these deep-sea corals grow new rings in their endoskeleton every year, Sherwood's team was able to determine annual variations in water composition stretching back 1800 years. According to Sherwood, one of the big challenges his team faced was collecting corals for analysis, but these were collected by remotely operated vehicles and others were supplied by the fishing industry, which accidentally scoops up corals in its nets.... Reporting their findings in Proceedings of the National Academy of Sciences, the researchers say that the dominance of the warm Gulf waters since the early 1970s appears to be largely unique within this bimillennial period. Although Sherwood's team links these changes with recent changes in global climate, it says that further analysis is need to investigate the effects on wider ocean circulation. "These water masses do appear to have changed significantly in recent years, though I must emphasize that we have only looked at a very specific region off the coast of Nova Scotia," says Sherwood.
[Read more stories about: arctic meltdown, ocean warming, holyshit]
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'Doc Michael says:
That's just the Gulf Stream wanting to check out the New Northwest Passage.

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