Total mean concentrations and total depositions of sulfur oxides, reduced nitrogen and airborne oxidized nitrogen

Total mean concentrations and total depositions of sulfur oxides, reduced nitrogen (NHX) and airborne oxidized nitrogen (NOy) for the area north of Arctic Circle for six emissions scenarios
Total mean concentrations and total depositions of sulfur oxides, reduced nitrogen and airborne oxidized nitrogen

Annual average sulfate sulfur concentrations and pH in precipitation within the Russian Arctic

Annual average sulfate sulfur concentrations and pH in precipitation within the Russian Arctic at a heavily impacted site (Murmansk) and a background site (Padun) since 1991, and the correlation [..]
Annual average sulfate sulfur concentrations and pH in precipitation within the Russian Arctic

Time series of monthly averaged particulate sulfate and nitrate concentrations at Alert and Barrow

Time series of monthly averaged particulate sulfate and nitrate concentrations at Alert (Canada) and Barrow (Alaska)
Time series of monthly averaged particulate sulfate and nitrate concentrations at Alert and Barrow

Time series of monthly averaged particulate sulfate concentrations at eight arctic monitoring sites

Time series of monthly averaged particulate sulfate concentrations at eight arctic monitoring sites
Time series of monthly averaged particulate sulfate concentrations at eight arctic monitoring sites

Monthly averaged light scattering and absorption at 550 nm by <10 μm aerosol at Barrow and black carbon concentrations at Alert

Monthly averaged light scattering and absorption at 550 nm by <10 μm aerosol at Barrow (Alaska) and black carbon concentrations at Alert (Canada)
Monthly averaged light scattering and absorption at 550 nm by <10 μm aerosol at Barrow and black carbon concentrations at Alert

Monthly averaged sulfate concentrations for March and April at eight arctic monitoring sites

Monthly averaged sulfate concentrations for March and April at eight arctic monitoring sites and Sen’s slope estimates for the long term (approximately 1980 through the available data) and short term [..]
Monthly averaged sulfate concentrations for March and April at eight arctic monitoring sites

Monthly averaged aerosol optical depth anomalies at Barrow for March and April

Monthly averaged aerosol optical depth anomalies at Barrow (Alaska) for March and April. The anomalies are relative to a base of non-volcanic years. Data from 1992 and 1993 were removed due to [..]
Monthly averaged aerosol optical depth anomalies at Barrow for March and April

The Kola Ecoregion survey area and major industrial centers

The Kola Ecoregion survey area and major industrial centers
The Kola Ecoregion survey area and major industrial centers

Transect west–east across the survey area and through the industrial zone centered on Monchegorsk and Apatity in 1995

Transect west–east across the survey area and through the industrial zone centered on Monchegorsk and Apatity in 1995, showing: (a) pH in a water extract of the O-horizon of podzol soils; (b) [..]
Transect west–east across the survey area and through the industrial zone centered on Monchegorsk and Apatity in 1995

Transect west–east across the survey area and through the industrial zone centered on Nikel and Zapolyarnyy in 1995

Transect west–east across the survey area and through the industrial zone centered on Nikel and Zapolyarnyy in 1995, showing (a) pH in a water extract of the O-horizon of podzol soils; (b) [..]
Transect west–east across the survey area and through the industrial zone centered on Nikel and Zapolyarnyy in 1995

Historical records of a) NO3- and b) SO42- concentrations from the Greenland icecap at Dye 3 c) A comparison of trends in the average SO42- and SO42- plus NO3- concentrations at Dye 3 in Greenland and in the annual mean H+ concentration from Agassiz ice

Historical records of a) NO3- and b) SO42- concentrations from the Greenland icecap at Dye 3 c) A comparison of trends in the average SO42- and SO42- plus NO3- concentrations at Dye 3 in Greenland [..]
Historical records of a) NO3- and b) SO42- concentrations from the Greenland icecap at Dye 3 c) A comparison of trends in the average SO42- and SO42- plus NO3- concentrations at Dye 3 in Greenland and in the annual mean H+ concentration from Agassiz ice

Contaminant emissions, transport and deposition in the Arctic

An illustration of the interplay between a) contaminant emissions distribution for sulfur dioxide and b) frequency of atmospheric south-to-north transport, yielding c) a net annual input of sulfur to [..]
Contaminant emissions, transport and deposition in the Arctic

Atmospheric sulphur cycle

Atmospheric sulphur cycle
Atmospheric sulphur cycle

Critical loads of acidity for soils

Critical loads of acidity for terrestrial ecosystems in northern Europe and Canada north of 60 degrees N.
Critical loads of acidity for soils

Sulphur dioxide concentrations in air and emissions from the smelter at Nikel

Annual SO2 concentrations in air at ground level at the Svanvik monitoring station, and SO2 emissions from the non-ferrous metal smelters at Nikel
Sulphur dioxide concentrations in air and emissions from the smelter at Nikel



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