Locations of upper-air meteorological monitoring stations in the Arctic Meteorological station density for surface observations is greater for inland areas of the Arctic, while observations of any kind are sparse over the Arctic Ocean

Locations of upper-air meteorological monitoring stations in the Arctic Meteorological station density for surface observations is greater for inland areas of the Arctic, while observations of any [..]
Locations of upper-air meteorological monitoring stations in the Arctic Meteorological station density for surface observations is greater for inland areas of the Arctic, while observations of any kind are sparse over the Arctic Ocean

Lower tropospheric temperatures since 1979, from satellite monitoring High variability is characteristic of the Arctic region due to its isolation from the moderating influences of warm, lower latitude, ocean currents

Lower tropospheric temperatures since 1979, from satellite monitoring High variability is characteristic of the Arctic region due to its isolation from the moderating influences of warm, lower [..]
Lower tropospheric temperatures since 1979, from satellite monitoring High variability is characteristic of the Arctic region due to its isolation from the moderating influences of warm, lower latitude, ocean currents

Lower stratospheric (ca 120-40 hPa) Arctic temperature trends (°C per decade, January 1979 to February 1996), as monitored by MSUs on polar orbiting satellites

Lower stratospheric (ca 120-40 hPa) Arctic temperature trends (°C per decade, January 1979 to February 1996), as monitored by MSUs on polar orbiting satellites
Lower stratospheric (ca 120-40 hPa) Arctic temperature trends (°C per decade, January 1979 to February 1996), as monitored by MSUs on polar orbiting satellites

Lower tropospheric Arctic temperature trends (°C per decade, January 1979 to February 1996), as monitored by MSUs on polar orbiting satellites

Lower tropospheric Arctic temperature trends (°C per decade, January 1979 to February 1996), as monitored by MSUs on polar orbiting satellites
Lower tropospheric Arctic temperature trends (°C per decade, January 1979 to February 1996), as monitored by MSUs on polar orbiting satellites

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

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

Arctic sea-level atmospheric pressure (July)

Mean atmospheric sea-level pressure (mb) in the Arctic in July
Arctic sea-level atmospheric pressure (July)

Precipitation in the Arctic

Distribution of precipitation (mm/y) in the Arctic
Precipitation in the Arctic



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