Illustration of the role of UV radiation in various light-dependent processes Natural UV radiation impacts the numbers, distribution and activity of several aquatic ecosystem targets and thus, [..]
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Illustration of the concept of a) the 'zone of influence' through major contaminant pathways from a major source region, and b) the 'contaminant focussing zone' resulting from the convergence of [..]
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Illustration of the role of UV radiation in the biogeochemical cycling of DOC
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A comparison of the structures of the Bergen, Toronto, and Combined zonally-averaged global models
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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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Theoretical clear day UV dose to horizontal and vertical surfaces, for Arctic Finland
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Traditional Inuit slit goggles from Greenland; the goggles protect the eyes against ultraviolet radiation
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Conceptual model of the terrestrial/freshwater compartment showing the main subcompartments and contaminant transfers, and exchanges with the atmosphere and oceans
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Conceptual model of the coastal zone and marine environments showing the main subcompartments and contaminant transfers, and exchanges with the atmosphere
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Schematic representation of shelf processes involving transport of contaminants and sea ice
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Transport of 90Sr, originating from Sellafield, along the coast of Norway The highest values are found in the Norwegian Coastal Current and decrease northward
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Schematic diagram of the Combined Model Ten climatic zones, each containing well-mixed compartments, are connected by meridional atmospheric and oceanic exchange
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Source regions for HCH, chlordane, toxaphene, and PCBs in Arctic air based on 5-day back-trajectories for elevated air concentrations at Tagish, Alert, and Ny-Ålesund
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Relative tissue concentrations of organochlorine compounds detected in lichen, and in adipose tissue of caribou and wolf at three locations in the Northwest Territories, Canada
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delta-15 Nitrogen isotope ratios versus Toxaphene, DDT, and HCH for fish and invertebrates from Lake Laberge, Yukon Territory
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