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A Hole as Large as Lake Superior or the State of Maine has Opened up in Antarctic
LoP Guest
lop guest
User ID: 389303
10-12-2017 06:11 PM

 



Post: #1
A Hole as Large as Lake Superior or the State of Maine has Opened up in Antarctic
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A Hole as Large as Lake Superior or the State of Maine has Opened up in Antarctica, and Scientists aren't Sure Why it's There


A hole as large as Lake Superior or the state of Maine has opened up in Antarctica, and scientists aren't sure why it's there.

The gigantic, mysterious hole "is quite remarkable," atmospheric physicist Kent Moore, a professor at the University of Toronto's Mississauga campus, told me over the phone. "It looks like you just punched a hole in the ice."


n image of the hole in the sea ice. Image: MODIS-Aqua via NASA Worldview; sea ice contours from AMSR2 ASI via University of Bremen

Areas of open water surrounded by sea ice, such as this one, are known as polynias. They form in coastal regions of Antarctica, Moore told me. What's strange here, though, is that this polynia is "deep in the ice pack," he said, and must have formed through other processes that aren't understood.

"This is hundreds of kilometres from the ice edge. If we didn't have a satellite, we wouldn't know it was there." (It measured 80,000 k㎡ at its peak.)

It's tempting to blame this strange hole on climate change, which is reshaping so much of the world, including Antarctica. But Moore said that's "premature." Scientists can say with certainty, though, that the polynia will have a wider impact on the oceans.

"Once the sea ice melts back, you have this huge temperature contrast between the ocean and the atmosphere," Moore explained. "It can start driving convection." Denser, colder water sinks to the bottom of the ocean, while warmer water comes to the surface, "which can keep the polynia open once it starts," he said.

Using observations from satellites and deep sea robots, Moore and his collaborators are working on as-yet-unpublished research that aims to answer some of these questions. "Compared to 40 years ago, the amount of data we have is amazing," he said.

Antarctica is undergoing massive changes right now, and figuring out why a gaping hole could suddenly open up will be key to understanding larger systems at play.


Read More:

https://motherboard.vice.com/en_us/artic...antarctica
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Weasel Keeper
WW? YGBSM!
User ID: 408971
10-12-2017 06:18 PM

Posts: 3,643



Post: #2
RE: A Hole as Large as Lake Superior or the State of Maine has Opened up in Antarctic
deep sea volcanoes will do that, it's not rocket science. Jhikpghf

[Image: tumblr_o0llq9In6L1v0p9c8o1_r1_500.gif]
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Damrod
Seeker of knowledge
User ID: 410205
10-12-2017 06:21 PM

Posts: 13,081



Post: #3
RE: A Hole as Large as Lake Superior or the State of Maine has Opened up in Antarctic
Weasel Keeper  Wrote: (10-12-2017 06:18 PM)
deep sea volcanoes will do that, it's not rocket science. Jhikpghf

This was a thread yesterday as well

and it's not global warming either...

funny how the self proclaimed "intellectuals" jump to the globalist created, freedom crushing religion of anthropomorphic global warming as their first explanation when it is almost assuredly a volcano...

"I would rather be exposed to the inconveniences attending too much liberty than to those attending too small a degree of it." Thomas Jefferson

"Liberty means responsibility, which is why most men dread it." George Bernard Shaw

"Republics decline into democracies and democracies degenerate into despotism"...Aristotle
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Skippy
Keep the Yule in Yuletide
User ID: 432595
10-12-2017 06:27 PM

Posts: 36,783



Post: #4
RE: A Hole as Large as Lake Superior or the State of Maine has Opened up in Antarctic
There are a lot of A-Holes here but you don't have to make fun of their size.

[Image: celebrity-frown-doctor-who.jpg]
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LoP Guest
lop guest
User ID: 433302
10-12-2017 06:28 PM

 



Post: #5
RE: A Hole as Large as Lake Superior or the State of Maine has Opened up in Antarctic
They keep ignoring the recent discovery of the worlds #1 LARGEST volcano bed ... underneath Antartica.
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Blue Dude
Registered User
User ID: 412341
10-12-2017 06:35 PM

Posts: 2,576



Post: #6
RE: A Hole as Large as Lake Superior or the State of Maine has Opened up in Antarctic
I have one in my soul. No big deal.
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