Thursday, November 09, 2017

It ain't SUVs. It's a volcano!-----'Mantle plume' as hot as Yellowstone supervolcano melting Antarctic sheet

'Mantle plume' as hot as Yellowstone supervolcano melting Antarctic sheet
"Antarctica is getting a little hot under the collar.
Just under the frozen wasteland of the world's coldest continent are some seriously hot rocks, which are helping to melt its ice sheet and create lakes and rivers, a study found. 
How hot?
Try 1,800 degrees.
The heat produced by the scorching hot rocks — officially known as a mantle plume — was measured at 150 milliwatts per square meter.
That's not far from the heat produced under Yellowstone National Park, which is measured at about 200 milliwatts per square meter.
...Study lead author Helene Seroussi of NASA's Jet Propulsion Laboratory thought it was "crazy" that it would be there: "I didn't see how we could have that amount of heat and still have ice on top of it," she said..."
Read on!

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