Historical profiles of PCBs (trichloro- and all other) in slices from dated sediment cores in Alaska, Canada, and Finland Median age of each slice is given on the vertical axis The green lines indicate the source function of PCBs

Historical profiles of PCBs (trichloro- and all other) in slices from dated sediment cores in Alaska, Canada, and Finland Median age of each slice is given on the vertical axis The green lines [..]
Historical profiles of PCBs (trichloro- and all other) in slices from dated sediment cores in Alaska, Canada, and Finland Median age of each slice is given on the vertical axis The green lines indicate the source function of PCBs

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)

Changes with time in European atmospheric emissions of Cd, Pb and Zn

Changes with time in European atmospheric emissions of Cd, Pb and Zn
Changes with time in European atmospheric emissions of Cd, Pb and Zn

Averaged upper (3000 m) air concentrations of Pb in winter (December-February) and summer (June-August) as modeled by the updated (1996) hemispheric EMEP transport model in a simulation for the reference year 1988

Averaged upper (3000 m) air concentrations of Pb in winter (December-February) and summer (June-August) as modeled by the updated (1996) hemispheric EMEP transport model in a simulation for the [..]
Averaged upper (3000 m) air concentrations of Pb in winter (December-February) and summer (June-August) as modeled by the updated (1996) hemispheric EMEP transport model in a simulation for the reference year 1988

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

Concentrations of As and V in aerosols measured during concurrent measurement campaigns on Svalbard and two locations in Alaska during April 1986

Concentrations of As and V in aerosols measured during concurrent measurement campaigns on Svalbard and two locations in Alaska during April 1986
Concentrations of As and V in aerosols measured during concurrent measurement campaigns on Svalbard and two locations in Alaska during April 1986

Winter concentrations of metals in air at remote locations in the Arctic at the beginning of the 1980s and 1990s, and European emissions of As, Pb and Zn during the same periods

Winter concentrations of metals in air at remote locations in the Arctic at the beginning of the 1980s and 1990s, and European emissions of As, Pb and Zn during the same periods
Winter concentrations of metals in air at remote locations in the Arctic at the beginning of the 1980s and 1990s, and European emissions of As, Pb and Zn during the same periods

Latitudinal gradient of deposition of Pb in Norway in different years, as reflected by Pb concentrations in moss

Latitudinal gradient of deposition of Pb in Norway in different years, as reflected by Pb concentrations in moss
Latitudinal gradient of deposition of Pb in Norway in different years, as reflected by Pb concentrations in moss

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

Nickel deposition to snow on the Kola Peninsula in April 1990

Nickel deposition to snow on the Kola Peninsula in April 1990
Nickel deposition to snow on the Kola Peninsula in April 1990

Changes with time in concentrations of Cd, Pb and Hg in liver and muscle tissue of reindeer (Rangifer tarandus) sampled in three districts in eastern Sweden

Changes with time in concentrations of Cd, Pb and Hg in liver and muscle tissue of reindeer (Rangifer tarandus) sampled in three districts in eastern Sweden
Changes with time in concentrations of Cd, Pb and Hg in liver and muscle tissue of reindeer (Rangifer tarandus) sampled in three districts in eastern Sweden



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