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AGE
5
Ammonium
5
Calcium
5
Chloride
GRIP/GISP/NGRIP
5
Greenland Ice Core Projects
5
Magnesium
5
Nitrate
5
Potassium
5
Sampling/drilling ice
5
ice/snow
5
DRILL
4
Depth
4
Drilling/drill rig
4
GISP
4
Sodium ion
4
Sulfate
4
bottom/max
4
maximum/old
4
minimum/young
4
top/min
4
GISP2-B
2
1997)
1
Acetate
1
Calculated
1
Calculated (De Angelis et al
1
Chloride/Sodium ratio
1
Chlorine
1
DEPTH
1
Fluoride
1
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