Ozone soundings at Gardermoen, southern Norway, 27 January 1992 The green line denotes the partial pressure of ozone observed during the (type 1) anomaly, when low-ozone air passed over the area
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Ozone soundings at Sodankylä, Finland, 23 March 1995 The green line denotes the profile of partial pressure of ozone observed during the (type 2) anomaly The red line shows the monthly mean ozone [..]
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Time trends of mean methylmercury concentrations
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An example of a type 2 ozone anomaly, showing levels of ozone depletion relative to the long-term mean
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Development of a type 1 ozone anomaly The series of satellite images show total column ozone for a period of days spanning 6-26 January 1996
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Trends in (annual average) ozone mixing ratio over Canada from 1980 to 1993
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Average annual UV dose falling on vertical and horizontal surfaces as a function of latitude The solid lines represent the situation for the normal UV level with undisturbed ozone (prior to 1978)
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Body burdens of radiocaesium (yearly averages) across the Canadian Arctic
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Concentrations, as geometric means, of major organochlorine groups in burbot liver at Fort Good Hope, NWT, Canada (1986-94) Vertical bars denote standard errors
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Temporal trends in levels of PCB, DDT, alpha-HCH, and HCB in muscle from Lake Storvindeln pike and Lake Abiskojaure char in Sweden Mean levels (µg/g lw) and 95% confidence intervals of the mean are [..]
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Temporal trends in PCB and DDE levels in Arctic seabird eggs from Prince Leopold Island, Canada (1975-1993)
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Levels of PCB congeners and PCDD/Fs (ng/g lw) in Lake Storvindeln pike muscle between 1968 and 1992
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Temporal trends of sum-PCB and sum-DDT in blubber of female ringed seals from Holman Island in the western Canadian Arctic Vertical bars represent one SD
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Trends in sum-PCB, sum-DDT, sum-CHL, and toxaphene over a ten year period (20 years for DDT in the Mackenzie Delta) for male narwhal and beluga blubber samples from the Canadian Arctic (N=8-26)
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Trends in concentration of major organochlorines in blubber of female ringed seals over 6 to 10 years at 3 sites in the eastern Canadian Arctic (N=10-14 animals for each year/site)
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