Antarctica’s Ice May Collapse Again - Scientists Just Found Proof
Scientists just drilled through about 1,700 feet of Antarctic ice and pulled up a record-breaking core. It’s a 750-foot tube that reaches back about 23 million years. When the drilling crew finally cracked open their giant tube of dirt, the mud was filled with marine fossils – the physical remains of ancient ocean bugs. The core showed that this part of West Antarctica had been an open ocean back then. That means the ice sheet had collapsed before. Watch now to see why this discovery is raising concerns worldwide.Credit:
ice core segment: By NASA's Goddard Space Flight Center/Ludovic Brucker - http://www.nasa.gov/content/goddard/enormous-aquifer-discovered-under-greenland-ice-sheet/index.html, https://commons.wikimedia.org/w/index.php?curid=30340880
Sovetskaya lake modis: By NASA - http://earthobservatory.nasa.gov/IOTD/view.php?id=6258, https://commons.wikimedia.org/w/index.php?curid=11040143
Antarctic Plumbing: NASA/Goddard Space Flight Center Scientific Visualization Studio
The Blue Marble Next Generation data is courtesy of Reto Stockli (NASA/GSFC) and NASA's Earth Observatory., https://svs.gsfc.nasa.gov/3403/
New Lakes Discovered: By NASA's Goddard Space Flight Center, https://svs.gsfc.nasa.gov/13877/
CC BY 3.0 https://creativecommons.org/licenses/by/3.0:
Sediment-core-description: By Hannes Grobe/AWI, https://commons.wikimedia.org/w/index.php?curid=9464425
sediment-core: By Hannes Grobe, https://commons.wikimedia.org/w/index.php?curid=6829604
CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/:
Hohlbohrkern: By --Nightflyer, https://commons.wikimedia.org/w/index.php?curid=55926007
CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0:
Ice core drill: By Kendrick15435, https://commons.wikimedia.org/w/index.php?curid=141750968
Ice core extracted: By Dargaud, https://commons.wikimedia.org/w/index.php?curid=87167115
CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0:
WAIS Divide Field Camp 10: By Eli Duke - https://flic.kr/p/fv7iGi, https://commons.wikimedia.org/w/index.php?curid=27770126
CC BY 4.0 https://creativecommons.org/licenses/by/4.0:
EastGRIP ice core: By Helle Astrid Kjær, https://commons.wikimedia.org/w/index.php?curid=64276283
Ice core researchers: By Helle Astrid Kjær, https://commons.wikimedia.org/w/index.php?curid=64276278
Ice core researchers 2: By Helle Astrid Kjær, https://commons.wikimedia.org/w/index.php?curid=64276280
The EastGRIP ice core: By Helle Astrid Kjær, https://commons.wikimedia.org/w/index.php?curid=64276281
d'une carotte sédimentaire: By Yevgeniya Korniyenko-Sheremet (Université Côte d'Azur, Laboratoire Géoazur), https://commons.wikimedia.org/w/index.php?curid=160580876
Antarctotrechus balli sp. n. (Carabidae, Trechini): the first ground beetle from Antarctica: By Ashworth AC, Erwin TL (2016) Antarctotrechus balli sp. n. (Carabidae, Trechini): therst ground beetle from Antarctica. ZooKeys 635: 109–122. https://doi.org/10.3897/zookeys.635.10535
SaunaIceTower: By Alasdair Turner, GOLF 4-3-9 Antarctica Expedition 2012 - https://earthref.org/content/ice-caves-mt-erebushttps://earthref.org/sites/earthref.org/files/imagecache/big/images/users/hstaudigel/SaunaIceTower.jpg, https://commons.wikimedia.org/w/index.php?curid=110323332
CC BY-SA 2.5 https://creativecommons.org/licenses/by-sa/2.5:
CRP-sediment-core-section: By Hannes Grobe, Alfred Wegener Institute for Polar and Marine Research, Hannes Grobe AWI/CRP, https://commons.wikimedia.org/w/index.php?curid=3612696
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