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
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History of temperature changes in central Greenland over the last 40 000 years, from the GISP2 core, showing very large and probably abrupt changes
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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 [..]
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Trends in (annual average) ozone mixing ratio over Canada from 1980 to 1993
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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 [..]
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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 [..]
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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 [..]
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Summary of ranges of Cd levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data
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Summary of ranges of Pb levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data
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Summary of ranges of Hg levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data
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Summary of ranges of Se levels (mean values) in Arctic marine organisms Solid parts of the lines indicate ranges for Greenlandic data
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Cadmium levels in kidney of adult marine birds from Greenland Levels associated with potential for kidney damage are above 100 µg/g ww
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Generalized marine food web
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Organic mercury versus total mercury in muscle, liver and kidney tissue of Greenlandic marine animals The lines indicates 100% organic mercury
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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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