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Age
2
Deposition of sulfate
Greenland
2
ICEDRILL
2
Ice core
2
Ice drill
2
Iceland
2
NEEM-2011-S1
2
NGRIP1
2
NorthGRIP
2
Sulfur
2
Volcanic aerosol
2
medieval climate anomaly
2
sulfate
2
volcanic
2
volcanic activity
2
B19
1
EGRIP
1
EastGRIP
1
NGRIP2
1
NorthGreenlandTraverse
1
Sampling/drilling from ice
1
TUNU2013
1
Tunu13
1
ngt19C93.2
1
non-sea-salt
1
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