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Age
DRILL
21
Drilling/drill rig
21
GISP
21
GISP2
21
Greenland
21
Holocene
21
Ice core
21
Sampling/drilling ice
accumulation rate
21
argon isotope
21
nitrogen isotope
summit
temperature reconstruction
21
Firn temperature gradient
14
Gas age
14
Ice age
14
Lock-in depth in ice equivalent
14
difference
14
modelled
14
δ15N
14
δ15N excess
14
δ40Ar/4
14
Temperature anomaly
5
Accumulation rate in ice equivalent per year
1
High-frequency temperature signal
1
Low-Frequency temperature signal
1
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