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Alaska
2
Ice
2
Siberia
Yukon
2
permafrost
Arctic
1
Bering Sea
1
Beringia
1
Cherskiy
1
Climate change
1
Greenland
1
Greenland ice cores
1
Herschel
1
Herschel Island
1
Ice Sheet
1
Kamchatka
1
Kamchatka Peninsula
1
North Atlantic
1
Subarctic
1
Thermokarst
1
Yakutia
1
Yukon river
1
glacier
1
glacier*
glaciers
1
laptev
1
wedge*
1
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