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Rob H.
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Per above article, "Fresh water flowing into or out of the Arctic Ocean plays an important role in ocean circulation and may be a factor in the response of the world ocean to climate change." It makes sense that if Arctic sea ice is diminishing then there is a good chance of more fresh water circulating in the ocean (assuming the ice doesn't simply evaporate off the surface first). What I'm unclear about in the above excerpt is exactly what "important role in ocean circulation" does fresh water play, or specifically fresh water melting off from Arctic sea ice? Thanks! Rob