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

Anthropogenic SO2 emissions for 1985 north of 30°N

Anthropogenic SO2 emissions for 1985 north of 30°N
Anthropogenic SO2 emissions for 1985 north of 30°N

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

Changes with time in 131I activity concentration in Finnish air samples

Changes with time in 131I activity concentration in Finnish air samples
Changes with time in 131I activity concentration in Finnish air samples

Changes with time in 137Cs activity concentration in air in Norway, Finland and Russia

Changes with time in 137Cs activity concentration in air in Norway, Finland and Russia
Changes with time in 137Cs activity concentration in air in Norway, Finland and Russia

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

Arctic surface air temperature

Mean January and July surface air temperatures (°C) in the Arctic
Arctic surface air temperature

Arctic sea-level atmospheric pressure (January)

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

Average contributions from various sources to the atmospheric concentrations of elements in winter air samples at Ny-Ålesund, Svalbard

Average contributions from various sources to the atmospheric concentrations of elements in winter air samples at Ny-Ålesund, Svalbard
Average contributions from various sources to the atmospheric concentrations of elements in winter air samples at Ny-Ålesund, Svalbard

Average regional source apportionment of metals in winter aerosol at Ny-Ålesund, Svalbard from Europe and the central part of the former Soviet Union (including the Urals and Norilsk)

Average regional source apportionment of metals in winter aerosol at Ny-Ålesund, Svalbard from Europe and the central part of the former Soviet Union (including the Urals and Norilsk)
Average regional source apportionment of metals in winter aerosol at Ny-Ålesund, Svalbard from Europe and the central part of the former Soviet Union (including the Urals and Norilsk)

Atmospheric winter concentrations (median values) of metals measured in different years in the <25 µm aerosol fraction at Ny-Ålesund, Svalbard

Atmospheric winter concentrations (median values) of metals measured in different years in the <25 µm aerosol fraction at Ny-Ålesund, Svalbard
Atmospheric winter concentrations (median values) of metals measured in different years in the <25 µm aerosol fraction at Ny-Ålesund, Svalbard

Composition of particles measured at different altitudes during winter flights in the Norwegian Arctic

Composition of particles measured at different altitudes during winter flights in the Norwegian Arctic
Composition of particles measured at different altitudes during winter flights in the Norwegian Arctic



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