Average (15-month) and 24-h average maximum air concentrations of Ni, Cu and As measured at several stations in northern Norway near to major point sources on the Kola Peninsula

Average (15-month) and 24-h average maximum air concentrations of Ni, Cu and As measured at several stations in northern Norway near to major point sources on the Kola Peninsula
Average (15-month) and 24-h average maximum air concentrations of Ni, Cu and As measured at several stations in northern Norway near to major point sources on the Kola Peninsula

SMART model results for selected soil and lake output variables at Christmas lakes for the past 90 years and for three future scenarios assuming a 0%, 70% and 95% reduction of the present sulfur deposition levels

SMART model results for selected soil and lake output variables at Christmas lakes for the past 90 years and for three future scenarios assuming a 0%, 70% and 95% reduction of the present sulfur [..]
SMART model results for selected soil and lake output variables at Christmas lakes for the past 90 years and for three future scenarios assuming a 0%, 70% and 95% reduction of the present sulfur deposition levels

MAGIC model results for the streamwater at Dalelva for the past 90 years and for three future scenarios assuming a 0%, 70%, and 95% reduction of the present sulfur deposition levels

MAGIC model results for the streamwater at Dalelva for the past 90 years and for three future scenarios assuming a 0%, 70%, and 95% reduction of the present sulfur deposition levels
MAGIC model results for the streamwater at Dalelva for the past 90 years and for three future scenarios assuming a 0%, 70%, and 95% reduction of the present sulfur deposition levels

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

SO2 concentration at the Svanvik monitoring station

Annual SO2 concentration in air at ground level at the Svanvik monitoring station and SO2 emissions from the non-ferrous metal smelters at Nikel
SO2 concentration at the Svanvik monitoring station

Scatterplots for comparisons between the average concentrations of SO2 and SO4 in air from October 1990 to December 1993 as monitored by the European Monitoring and Evaluation Programme (EMEP) and calculated by Christensen (1996)

Scatterplots for comparisons between the average concentrations of SO2 and SO4 in air from October 1990 to December 1993 as monitored by the European Monitoring and Evaluation Programme (EMEP) and [..]
Scatterplots for comparisons between the average concentrations of SO2 and SO4 in air from October 1990 to December 1993 as monitored by the European Monitoring and Evaluation Programme (EMEP) and calculated by Christensen (1996)

Calculated concentrations of SO2 and SO42- compared with measurements at Station Nord in northeastern Greenland

Calculated concentrations of SO2 and SO42- compared with measurements at Station Nord in northeastern Greenland
Calculated concentrations of SO2 and SO42- compared with measurements at Station Nord in northeastern Greenland

The predicted (1988) average surface air sulfate concentrations in the Arctic

The predicted (1988) average surface air sulfate concentrations in the Arctic
The predicted (1988) average surface air sulfate concentrations in the Arctic

The predicted (1988) average surface air sulfur dioxide concentrations in the Arctic

The predicted (1988) average surface air sulfur dioxide concentrations in the Arctic
The predicted (1988) average surface air sulfur dioxide concentrations in the Arctic

(a) Vertical distribution of SOx (SO2 + SO42-) concentrations averaged over the area north of 75°N, and (b) contributions from the different sources

(a) Vertical distribution of SOx (SO2 + SO42-) concentrations averaged over the area north of 75°N, and (b) contributions from the different sources
(a) Vertical distribution of SOx (SO2 + SO42-) concentrations averaged over the area north of 75°N, and (b) contributions from the different sources

Model calculations of ground level yearly average sulfur dioxide air concentration on the Kola Peninsula

Model calculations of ground level yearly average sulfur dioxide air concentration on the Kola Peninsula
Model calculations of ground level yearly average sulfur dioxide air concentration on the Kola Peninsula

Summer and winter visibility observations (for relative humidities less than 80%) for the period 1951 to 1993 in North America

Summer and winter visibility observations (for relative humidities less than 80%) for the period 1951 to 1993 in North America
Summer and winter visibility observations (for relative humidities less than 80%) for the period 1951 to 1993 in North America

The time series of light scattering (?sp) and optical depth (?) at 500 nm at Barrow, Alaska

The time series of light scattering (?sp) and optical depth (?) at 500 nm at Barrow, Alaska
The time series of light scattering (?sp) and optical depth (?) at 500 nm at Barrow, Alaska



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