Topic
ice/snow
Sampling/drilling ice
93
GRIP/GISP/NGRIP
85
Greenland Ice Core Projects
85
DEPTH
82
Greenland
59
AGE
45
GISP
45
ISTUK
44
ISTUK electromechanical drill
44
GRIP
42
DRILL
37
Drilling/drill rig
37
δ18O
29
water
28
GISP2
22
Age
15
Depth
12
bottom/max
12
top/min
12
reference
10
Calcium
9
Density
9
SNOWPIT
9
Snow pit
9
mass density
9
maximum/old
9
minimum/young
9
see comment
9
Ammonium
7
Calculated
7
GISP2-D
7
error
7
standard deviation
7
Age model
6
Conductivity
6
ICEDRILL
6
Ice drill
6
δ Deuterium
6
CFA
5
Chloride
5
Continuous Flow Analysis
5
GISP2-B
5
Magnesium
5
NGRIP
5
Nitrate
5
NorthGRIP
5
Potassium
5
electrical
5
Carbon dioxide
4
more ...