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

Impact of soot deposited onto snow and ice surfaces in the Arctic

Impact of soot deposited onto snow and ice surfaces in the Arctic. Polar ice reflects light from the sun back to space (a). As the ice begins to melt, less light is reflected and more is absorbed by [..]
Impact of soot deposited onto snow and ice surfaces in the Arctic

Diatom-inferred Holocene pH histories of lakes in arctic Fennoscandia and the Kola Peninsula

Diatom-inferred Holocene pH histories of lakes in arctic Fennoscandia and the Kola Peninsula. Toskaljavri (a) is redrawn from Seppä et al. (2002), Tsuolbmajavri (b) from Seppä and Weckström (1999), [..]
Diatom-inferred Holocene pH histories of lakes in arctic Fennoscandia and the Kola Peninsula

Diatom-inferred recent pH-histories of 14 lakes and ponds in northern Fennoscandia

Diatom-inferred recent pH-histories of 14 lakes and ponds in northern Fennoscandia. Note the different scales for age and pH. Figures A-C are from Korhola et al. (1999), D-E from Erola (1999), F-G [..]
Diatom-inferred recent pH-histories of 14 lakes and ponds in northern Fennoscandia

Sulfur dioxide emissions from metallurgical industry sources

Sulfur dioxide emissions from metallurgical industry sources and major coal-fired power plants in Russia (there are no significant point sources north of 60º N in other Arctic countries; pale coloured [..]
Sulfur dioxide emissions from metallurgical industry sources



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