GAW serves as an early warning system to detect further changes in atmospheric concentrations of greenhouse gases and changes in the ozone layer, and in the long-range transport of pollutants, including acidity and toxicity of rain as well as the atmospheric burden of aerosols.
Pallas: Continuous monitoring of CO2, SO2, O3, condensation nuclei, black carbon, 222Rn Sampling of VOCs, N2O, CH4: 2/week Meteorology at 3 sites Sodankylä: Continuous monitoring of O3, 222Rn, total column ozone and NO2, UV-B, CIE-weighted total UV-dose, solar radiation: global, diffuse, reflected, radiation balance, sunshine hours, meteorology 7Be and 210Pb: daily Upper air soundings: 2/day Ozone soundings: 1/week Backscatter soundings: 5/winter
Pallas/Sammaltunturi 67 deg. 58 min. N, 24 deg. 07 min. E, 566 m a.s.l. Sodankylä 67 deg. 22 min. N, 26 deg. 39 min. E, 180 m a.s.l.
The laboratory of FMI is accredited for analysis of heavy metals and major ions.
GAW
Pallas, AMAP station, Northern Finland Oulanka, EMEP station, Northern Finland National deposition monitoring, Northern Finland