[syriacus]

We Freepers have known for 5 years that thermal vents and volcanoes could affect polar ice.

Hotbed of Volcanic Activity Found Beneath Arctic Ocean; Posted on 07/01/2003

That thread, from 2003, has these links, and several others.

Hydrothermal vents: Arctic hotspots
Behavior of Arctic Ocean Ridge Confounds Predictions; May Lead to New Insights into Crust Formation

[syriacus]

Under Ocean Volcanoes Warming Water

From FR in 2005 -- lots of links.

Freepers certainly are ahead of the curve.