NASA says a mantle plume below West Antarctica's Marie Byrd Land is the cause for some of the glacial melting beneath the ice sheet.
Mantle plumes are areas of hot, upwelling mantle and are thought to be the cause of volcanic centers known as hotspots.
"Although the heat source isn't a new or increasing threat to the West Antarctic ice sheet, it may help explain why the ice sheet collapsed rapidly in an earlier era of rapid climate change, and why it is so unstable today," the study says.
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9 comments:
It must due to climate change!
It's obvious I don't need to comment on the obvious.
12:35 your name is all too appropriate. I can see the gears turning in your head.."volcano below a continent (WHO WOULD HAVE THUNK IT) is melting Antarctica. Climate change MUST be a liberal conspracy despite my elected administration releasing a report weeks ago claiming that it wasn't."
So it is not just the people!
It must be the work of white, cisgender males.
Isn't that the opposite of global warming ? Kind of shoots a hole into the theory.
Just to be on the safe side keep a boat handy,big enough for your whole family.And some life jackets would be nice.
It's the farmers' fault! I'm starting on that Ark...
Yes actually it is climate change.
Plus volcanic activity under the continent.
Duh.
If you haven't noticed the change in our climate and weather then you aren't paying attention (unless you are young).
Our weather is different on orders of magnitude.
It is being artificially manipulated in dangerous methods.
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