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AGE
DRILL
3
Drilling/drill rig
EPICA
3
European Project for Ice Coring in Antarctica
3
DEPTH
2
DomeC
2
ice/snow
2
AICC2012
1
Antarctic ice core chronology
1
Antarctica
1
Biosphere productivity
1
Calculated
1
Dome C
1
EDC
1
EPICA Dome C
1
GISP
1
GISP2
1
ICEDRILL
1
Ice drill
1
Ice_core_diverse
1
Sampling/drilling ice
1
Vostok
1
atmospheric
1
global oxygen biosphere productivity
1
maximum
1
minimum
1
Δ17O of O2
1
δ Oxygen/Nitrogen ratio
1
δ18O
1
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