Open Polar Keyword
GRIP
40
Greenland
40
ice core
Greenland ice core
37
NGRIP
36
GISP
35
Journal of Glaciology
4
Ice Sheet
3
Polar Research
3
Berichte zur Polarforschung
2
Polarforschung
2
Reports on polar research
2
Antarc*
1
Antarctic
1
Antarctica
1
Dye 3
1
Dye-3
1
Greenland Ice core Project
1
Greenland ice cores
1
IPY
1
International Polar Year
1
North Atlantic
1