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Apr
11
Aug
Dec
11
Feb
11
Jan
11
Jun
11
Mar
11
May
Nov
Oct
11
Infrared Gas Analyzer
8
Jul
8
Sep
8
annual
6
year
6
Alert, NWT, Canada
5
Annual
5
Annual-Fitted
5
Atmospheric CO2 Concentration
5
Atmospheric Carbon Dioxide
5
Baring Head
5
Barrow, Alaska
5
Cape Kumukahi
5
Cape Matatula, Samoa
5
Carbon Dioxide
5
Christmas Island
5
Flask Sampling
5
In-Situ Sampling
5
Keeling
5
Kermadec Island
5
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