Open Polar Keyword
Alaska
Arctic
542
permafrost
262
Siberia
109
Ice
108
north slope
81
Tundra
79
Thermokarst
75
glacier
63
Kodiak
62
glaciers
61
Greenland
60
Sea ice
59
Yukon
56
Climate change
51
Bering Sea
48
Barrow
43
wedge*
39
Thule culture
31
Antarc*
26
Arctic Ocean
26
Nunavut
25
inuit
24
Beaufort Sea
23
Beringia
23
Eureka
21
Kiruna
21
Subarctic
21
Thule
21
Iceland
19
Prudhoe Bay
19
Antarctica
18
Archipelago
17
Ice Sheet
16
laptev
16
Aleutian Islands
15
Mackenzie Delta
15
Seward Peninsula
15
Laptev Sea
14
Chukchi
13
Svalbard
13
Alaska North Slope
12
Arctic pollution
12
Chukotka
12
Antarctic
11
Global warming
11
Polar Science
11
polar night
11
国立極地研究所
11
North Atlantic
10
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