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Age
GRIP/GISP/NGRIP
Greenland
Greenland Ice Core Projects
18
Sampling/drilling ice
18
water
17
δ18O
17
GISP
12
DEPTH
10
Density
10
ice/snow
10
reference
10
SNOWPIT
9
Snow pit
9
mass density
9
see comment
8
GRIP
7
DRILL
6
Drilling/drill rig
6
ISTUK
2
ISTUK electromechanical drill
2
ADG
1
Automatic depth gauges
1
Calculated
1
Calculated from conductivity
1
Correction
1
Depth
1
Dummy
1
Event label
1
Factor
1
see all ...