(a) The contribution from the different sources to the total deposition, averaged over the area north of 75°N from October 1990 to May 1994, (b) the calculated total monthly depositions of SOx averaged over the area north of 75°N, and (c) the

(a) The contribution from the different sources to the total deposition, averaged over the area north of 75°N from October 1990 to May 1994, (b) the calculated total monthly depositions of SOx [..]
(a) The contribution from the different sources to the total deposition, averaged over the area north of 75°N from October 1990 to May 1994, (b) the calculated total monthly depositions of SOx averaged over the area north of 75°N, and (c) the

Model calculations of total (wet and dry) deposition estimates of sulfur for 1988

Model calculations of total (wet and dry) deposition estimates of sulfur for 1988
Model calculations of total (wet and dry) deposition estimates of sulfur for 1988

Vertical distribution of Arctic haze in summer, winter, and the whole year Sulfur air concentrations and relative source-contribution (%) for different heights above the ground are shown The concentrations are averages over the Arctic area north of 70°N

Vertical distribution of Arctic haze in summer, winter, and the whole year Sulfur air concentrations and relative source-contribution (%) for different heights above the ground are shown The [..]
Vertical distribution of Arctic haze in summer, winter, and the whole year Sulfur air concentrations and relative source-contribution (%) for different heights above the ground are shown The concentrations are averages over the Arctic area north of 70°N

Annual average of alkalinity and pH as measured in rivers in northern Fennoscandia and the Kola Peninsula

Annual average of alkalinity and pH as measured in rivers in northern Fennoscandia and the Kola Peninsula
Annual average of alkalinity and pH as measured in rivers in northern Fennoscandia and the Kola Peninsula

Annual average of sulfate and base cation concentrations as measured in rivers in northern Fennoscandia and the Kola Peninsula Note: SO4 (non-seasalt) estimated for river Utsjoki from total sulfur

Annual average of sulfate and base cation concentrations as measured in rivers in northern Fennoscandia and the Kola Peninsula Note: SO4 (non-seasalt) estimated for river Utsjoki from total sulfur
Annual average of sulfate and base cation concentrations as measured in rivers in northern Fennoscandia and the Kola Peninsula Note: SO4 (non-seasalt) estimated for river Utsjoki from total sulfur

Median concentrations of sulfate, base cations, and nitrate in lakes of northern Fennoscandia and the Kola Peninsula

Median concentrations of sulfate, base cations, and nitrate in lakes of northern Fennoscandia and the Kola Peninsula
Median concentrations of sulfate, base cations, and nitrate in lakes of northern Fennoscandia and the Kola Peninsula

Mean arctic age of air in the lowest 100 m of the atmosphere (summer)

Mean arctic age of air in the lowest 100 m of the atmosphere in July (summer)
Mean arctic age of air in the lowest 100 m of the atmosphere (summer)

Black carbon potential source contributions

Black carbon potential source contributions from continents as a function of transport time to the Arctic, for the subset that also reaches a minimum arctic altitude below 1000 m, for winter and [..]
Black carbon potential source contributions

Trends in NOx and SO2 concentrations

Trends in NOx and SO2 concentrations in air in various cities in the Russian Arctic
Trends in NOx and SO2 concentrations

Mean arctic age of air in the lowest 100 m of the atmosphere (winter)

Mean arctic age of air in the lowest 100 m of the atmosphere in January (winter)
Mean arctic age of air in the lowest 100 m of the atmosphere (winter)

Shipping routes, oil and gas regions, and fishing grounds in the Arctic

Shipping routes, oil and gas regions, and fishing grounds in the Arctic
Shipping routes, oil and gas regions, and fishing grounds in the Arctic

Projected total emissions of SOx-S and NOx-N between 1990 and 2020

Projected total emissions of SOx-S and NOx-N between 1990 and 2020
Projected total emissions of SOx-S and NOx-N between 1990 and 2020

Projected SOx-S emissions in 2020 for the CLE and MFR emissions scenarios

Projected SOx-S emissions in 2020 for the CLE and MFR emissions scenarios
Projected SOx-S emissions in 2020 for the CLE and MFR emissions scenarios

Estimated emissions of SOx-S and NOx-N in 2000

Estimated emissions of SOx-S and NOx-N in 2000
Estimated emissions of SOx-S and NOx-N in 2000

Trends in summer and winter nitrate concentrations in air within the Arctic

Trends in summer and winter nitrate concentrations in air within the Arctic
Trends in summer and winter nitrate concentrations in air within the Arctic



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