Topic
Greenland
12
Sampling/drilling ice
12
ice/snow
11
DEPTH
10
AGE
8
ICEDRILL
8
Ice drill
8
NGRIP
8
GRIP/GISP/NGRIP
7
Greenland Ice Core Projects
7
North Greenland Ice Core Project
7
NorthGRIP
7
error
7
water
6
δ18O
6
ISTUK
4
ISTUK electromechanical drill
4
CFA
3
Calcium
3
Conductivity
3
Continuous Flow Analysis
3
GRIP
3
Ice core
3
aerosol
3
ammonium
3
calcium
3
electrical
3
nitrate
3
sodium
3
DRILL
2
Depth
2
Drilling/drill rig
2
reference
2
Age
1
Age model
1
Annual layer thickness
1
Antarctica
1
Calculated
1
Comment
1
Comment 2 (continued)
1
Comment 3 (continued)
1
DF
1
DYE
1
DYE-3
1
Deuterium excess
1
Dome_Fuji
1
Dust particles
1
Error
1
GISP
1
GISP2
1
more ...