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Arctic
2
Climate change
Global warming
2
Greenland
2
Ice
2
Ice Sheet
permafrost
Alaska
1
Barrow
1
Bering Sea
1
Bering Strait
1
Beringia
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GRIP
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Greenland ice core
1
Greenland ice cores
1
Iceberg*
1
Kamchatka
1
Kamchatka Peninsula
1
North Atlantic
1
Subarctic
1
glacier
1
ice core
1
wedge*
1
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