Open Polar Keyword
Methane hydrate
93
Arctic
41
Alaska
40
permafrost
35
north slope
34
Ice
18
Climate change
10
Barrow
7
Carbonic acid
5
Tundra
5
Alaska North Slope
4
Mackenzie Delta
4
Prudhoe Bay
4
Arctic Ocean
3
Global warming
3
Greenland
3
Northwest Territories
3
ice core
3
Antarc*
2
Arctic Basin
2
Siberia
2
arctic methane
2
black carbon
2
AMAP
1
Antarctic
1
Antarctica
1
Bering Sea
1
Bering Strait
1
Chukchi
1
Chukchi Sea
1
Lomonosov Ridge
1
Mackenzie river
1
Nunavut
1
Planktonic foraminifera
1
South Atlantic Ocean
1
Svalbard
1
Yukon
1