Open Polar Keyword
Alaska
2
Antarc*
22
Antarctic
15
Antarctica
14
Arctic
7
Barrow
2
British Antarctic Survey
1
Brunt Ice Shelf
1
Dronning Maud Land
2
East Antarctica
2
GRIP
2
Greenland
3
Ice Sheet
9
Ice Shelf
1
Iceberg*
1
National Institute of Polar Research
4
North Pole
2
Norwegian Sea
2
Queen Maud Land
7
Sea ice
2
Shirase Glacier
1
Spitsbergen
3
Svalbard
4
glacier
3
ice core
11
国立極地研究所
2