Open Polar Keyword
Antarc*
54
Antarctic
49
Greenland
35
Greenland ice core
28
North Greenland
28
ice core
28
Arctic
24
Greenland Ice core Project
17
NGRIP
17
North Greenland Ice Core Project
17
Antarctica
13
polar night
12
Ice Sheet
11
Berkner Island
10
Kiruna
6
North Atlantic
6
South Atlantic Ocean
6
Spitsbergen
6
Dronning Maud Land
5
EPICA
5
East Antarctica
5
Antarctic Peninsula
4