There was an eruption of assertions in recent days that the increasing summer retreats and thinning of Arctic Ocean sea ice might be a result not of atmospheric warming but instead all the heat from the recent discovered volcanoes peppering the Gakkel Ridge, one of the seams in the deep seabed at the top of the world.
Several experts said it was not plausible from the get-go, but for the sake of due diligence, I queried a heap of the Arctic oceanographers and climate and ice experts I've gotten to know since my North Pole journey in 2003. They uniformly reject the idea that heat from the bottom -- either from the general geothermal activity beneath the seabed or the occasional outbursts of lava or vents -- could have a significant impact on the veneer of floating, drifting ice on the surface.
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