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Canada
Spitsbergen
Svalbard
3
530
2
550
2
Alaska
2
Alert
2
Arctic
2
Barrow
2
Ellesmere Island
2
Greenland
2
Nunavut
2
Ny-Alesund
2
Queen Elizabeth Islands
2
Svalbard and Jan Mayen
2
United States
2
annual variation
2
concentration (composition)
2
filter
2
ground-based measurement
2
ice
2
nucleation
2
particulate matter
2
Antarctique
1
Arctique
1
Arctique canadien
1
Inuit
1
Nord Québec
1
Noël
1
Nunavik
1
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