Snow cover over northern hemisphere lands between 1972 and 1996 for different seasons Values are determined from analyses of NOAA snow charts created using visible satellite imagery

Snow cover over northern hemisphere lands between 1972 and 1996 for different seasons Values are determined from analyses of NOAA snow charts created using visible satellite imagery
Snow cover over northern hemisphere lands between 1972 and 1996 for different seasons Values are determined from analyses of NOAA snow charts created using visible satellite imagery

History of temperature changes in central Greenland over the last 40 000 years, from the GISP2 core, showing very large and probably abrupt changes

History of temperature changes in central Greenland over the last 40 000 years, from the GISP2 core, showing very large and probably abrupt changes
History of temperature changes in central Greenland over the last 40 000 years, from the GISP2 core, showing very large and probably abrupt changes

History of snow accumulation in central Greenland during the most recent glaciation, as measured in the GISP2 core The 25-year running mean, represented in all panels, shows very large and rapid climate changes

History of snow accumulation in central Greenland during the most recent glaciation, as measured in the GISP2 core The 25-year running mean, represented in all panels, shows very large and rapid [..]
History of snow accumulation in central Greenland during the most recent glaciation, as measured in the GISP2 core The 25-year running mean, represented in all panels, shows very large and rapid climate changes

Trends in (annual average) ozone mixing ratio over Canada from 1980 to 1993

Trends in (annual average) ozone mixing ratio over Canada from 1980 to 1993
Trends in (annual average) ozone mixing ratio over Canada from 1980 to 1993

Concentration (pg/g dw) profiles for octachlorodioxin (OCDD) and total PCDD/Fs in dated sediment cores from Arctic Canada and Finland Sum-PCDD/Fs = sum of 2,3,7,8-substituted tetra- to octachloro D/Fs plus non-2,3,7,8-substituted congeners

Concentration (pg/g dw) profiles for octachlorodioxin (OCDD) and total PCDD/Fs in dated sediment cores from Arctic Canada and Finland Sum-PCDD/Fs = sum of 2,3,7,8-substituted tetra- to octachloro D/Fs [..]
Concentration (pg/g dw) profiles for octachlorodioxin (OCDD) and total PCDD/Fs in dated sediment cores from Arctic Canada and Finland Sum-PCDD/Fs = sum of 2,3,7,8-substituted tetra- to octachloro D/Fs plus non-2,3,7,8-substituted congeners

Organochlorine levels in polar bear adipose tissues (µg/g lw), adjusted to levels expected in 11-year-old males (after correction for age and sex), for sum-PCB, sum-CHL, sum-HCH, and sum-CBz, and in Arctic fox from Svalbard for sum-PCB and sum-CHL

Organochlorine levels in polar bear adipose tissues (µg/g lw), adjusted to levels expected in 11-year-old males (after correction for age and sex), for sum-PCB, sum-CHL, sum-HCH, and sum-CBz, and in [..]
Organochlorine levels in polar bear adipose tissues (µg/g lw), adjusted to levels expected in 11-year-old males (after correction for age and sex), for sum-PCB, sum-CHL, sum-HCH, and sum-CBz, and in Arctic fox from Svalbard for sum-PCB and sum-CHL

Sum-PCB (ng/g lw) in Arctic mammals compared to thresholds for mammalian effects (1 Leonards et al 1995, 2 Tryphonas 1994, 3 Kihlström et al 1992, 4 Olsson et al 1996a, 5 Boon et al 1987, 6 Ahlborg et al 1992, 7 Helle et al 1976b)

Sum-PCB (ng/g lw) in Arctic mammals compared to thresholds for mammalian effects (1 Leonards et al 1995, 2 Tryphonas 1994, 3 Kihlström et al 1992, 4 Olsson et al 1996a, 5 Boon et al 1987, 6 Ahlborg et [..]
Sum-PCB (ng/g lw) in Arctic mammals compared to thresholds for mammalian effects (1 Leonards et al 1995, 2 Tryphonas 1994, 3 Kihlström et al 1992, 4 Olsson et al 1996a, 5 Boon et al 1987, 6 Ahlborg et al 1992, 7 Helle et al 1976b)

Summary of ranges of Cd levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data

Summary of ranges of Cd levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data
Summary of ranges of Cd levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data

Summary of ranges of Pb levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data

Summary of ranges of Pb levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data
Summary of ranges of Pb levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data

Summary of ranges of Hg levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data

Summary of ranges of Hg levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data
Summary of ranges of Hg levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data

Summary of ranges of Se levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data

Summary of ranges of Se levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data
Summary of ranges of Se levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data

Cadmium levels in kidney of adult marine birds from Greenland Levels associated with potential for kidney damage are above 100 µg/g ww

Cadmium levels in kidney of adult marine birds from Greenland Levels associated with potential for kidney damage are above 100 µg/g ww
Cadmium levels in kidney of adult marine birds from Greenland Levels associated with potential for kidney damage are above 100 µg/g ww

Generalized marine food web

Generalized marine food web
Generalized marine food web

Organic mercury versus total mercury in muscle, liver and kidney tissue of Greenlandic marine animals The lines indicates 100% organic mercury

Organic mercury versus total mercury in muscle, liver and kidney tissue of Greenlandic marine animals The lines indicates 100% organic mercury
Organic mercury versus total mercury in muscle, liver and kidney tissue of Greenlandic marine animals The lines indicates 100% organic mercury

Shell thickness (mm) of peregrine falcon eggs representing 109 clutches produced in Rankin Inlet, NWT, Canada from 1981 to 1986 and from 1990 to 1994

Shell thickness (mm) of peregrine falcon eggs representing 109 clutches produced in Rankin Inlet, NWT, Canada from 1981 to 1986 and from 1990 to 1994
Shell thickness (mm) of peregrine falcon eggs representing 109 clutches produced in Rankin Inlet, NWT, Canada from 1981 to 1986 and from 1990 to 1994



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