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Age
Greenland
5
ICEDRILL
5
Ice core
5
Ice drill
5
sulfate
5
Iceland
4
Sulfur
4
NEEM-2011-S1
3
NGRIP1
3
NorthGRIP
3
TUNU2013
3
Tunu13
3
Volcanic aerosol
3
medieval climate anomaly
3
volcanic
3
volcanic activity
3
B19
2
Deposition of sulfate
2
NorthGreenlandTraverse
2
Sampling/drilling from ice
2
ngt19C93.2
2
non-sea-salt
2
33S
1
34S
1
D4
1
DEPTH
1
Day
1
EGRIP
1
EastGRIP
1
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