PAH contamination in bottom sediments from harbours in northern Norway and Russia

PAH contamination (mg/kg dry weight) in bottom sediments from harbours in northern Norway and Russia, showing the contributions from various sources
PAH contamination in bottom sediments from harbours in northern Norway and Russia

Echo sounder crosssection of the Kopanoar mud volcano with methane venting from crest

Echo sounder crosssection of the Kopanoar mud volcano with methane venting from crest, central Canadian Beaufort Shelf
Echo sounder crosssection of the Kopanoar mud volcano with methane venting from crest

Diatom-inferred Holocene pH histories of lakes in arctic Fennoscandia and the Kola Peninsula

Diatom-inferred Holocene pH histories of lakes in arctic Fennoscandia and the Kola Peninsula. Toskaljavri (a) is redrawn from Seppä et al. (2002), Tsuolbmajavri (b) from Seppä and Weckström (1999), [..]
Diatom-inferred Holocene pH histories of lakes in arctic Fennoscandia and the Kola Peninsula

Impact of soot deposited onto snow and ice surfaces in the Arctic

Impact of soot deposited onto snow and ice surfaces in the Arctic. Polar ice reflects light from the sun back to space (a). As the ice begins to melt, less light is reflected and more is absorbed by [..]
Impact of soot deposited onto snow and ice surfaces in the Arctic

Annual and seasonal variations in average background levels of sulfate sulfur and total nitrogen in precipitation across the Atlantic

Annual and seasonal variations in average background levels of sulfate sulfur and total nitrogen in precipitation across the Atlantic, Siberian, and Pacific sectors of the Russian Arctic
Annual and seasonal variations in average background levels of sulfate sulfur and total nitrogen in precipitation across the Atlantic

Annual and seasonal variations in sulfate sulfur concentrations

Annual and seasonal variations in sulfate sulfur concentrations in an industrial area (Norilsk) and a background area (Turukhansk) of the Siberian sector of the Russian Arctic
Annual and seasonal variations in sulfate sulfur concentrations

Total mean concentrations and total depositions of sulfur oxides, reduced nitrogen and airborne oxidized nitrogen

Total mean concentrations and total depositions of sulfur oxides, reduced nitrogen (NHX) and airborne oxidized nitrogen (NOy) for the area north of Arctic Circle for six emissions scenarios
Total mean concentrations and total depositions of sulfur oxides, reduced nitrogen and airborne oxidized nitrogen

Locations of background monitoring stations for air and precipitation chemistry

Locations of background monitoring stations for air and precipitation chemistry, and arctic haze and the Russian precipitation chemistry stations
Locations of background monitoring stations for air and precipitation chemistry

Trends in non-marine sulfate, non-marine base cations, alkalinity, acid neutralizing capacity, and pH

Trends in non-marine sulfate, non-marine base cations (Ca+Mg), alkalinity, acid neutralizing capacity, and pH across the Euro-Arctic Barents region for 1990 to 2004. Large circles denote the three [..]
Trends in non-marine sulfate, non-marine base cations, alkalinity, acid neutralizing capacity, and pH

Exceedance of blood guideline values for mercury and lead in mothers and women of child-bearing age (a)

Exceedance of blood guideline values for (total) mercury and lead in mothers and women of child-bearing age in different populations around the Arctic (comparable data were not available from Norway, [..]
Exceedance of blood guideline values for mercury and lead in mothers and women of child-bearing age (a)

Exceedance of blood guideline values for mercury and lead in mothers and women of child-bearing age (b)

Exceedance of blood guideline values for (total) mercury and lead in mothers and women of child-bearing age in different populations around the Arctic (comparable data were not available from Norway, [..]
Exceedance of blood guideline values for mercury and lead in mothers and women of child-bearing age (b)

Scatterplots comparing measured and modeled annual average concentrations of sulfur dioxide, sulfate, nitrate and ammonium

Scatterplots comparing measured and modeled annual average concentrations of sulfur dioxide, sulfate, nitrate and ammonium at arctic monitoring stations for 1991 to 2000. Labels on graphs refer to [..]
Scatterplots comparing measured and modeled annual average concentrations of sulfur dioxide, sulfate, nitrate and ammonium

Total mean concentrations and total depositions of sulfur oxides, reduced nitrogen and airborne oxidized nitrogen

Total mean concentrations and total depositions of sulfur oxides, reduced nitrogen (NHX) and airborne oxidized nitrogen (NOy) for the area north of Arctic Circle for six emissions scenarios
Total mean concentrations and total depositions of sulfur oxides, reduced nitrogen and airborne oxidized nitrogen

PCB congener profiles in cord blood of Canadian and Greenlandic population groups, and in cord and maternal blood from Greenland

PCB congener profiles in cord blood of Canadian and Greenlandic population groups, and in cord and maternal blood from Greenland
PCB congener profiles in cord blood of Canadian and Greenlandic population groups, and in cord and maternal blood from Greenland

Concentrations of PCB congeners in cord plasma from Nunavik and southern Quebec newborns

Concentrations of PCB congeners in cord plasma from Nunavik and southern Quebec newborns
Concentrations of PCB congeners in cord plasma from Nunavik and southern Quebec newborns



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