Search Results: "Freshwater environment" OR "sediment" OR "organochlorines" OR "POPs (persistent organic pollutants)" OR "PCBs"

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Hydrographs showing two types of streamflow regimes for Arctic rivers: a) Arctic nival regime and b) proglacial regime Hydrographs showing two types of streamflow regimes for Arctic rivers: a) Arctic nival regime and b) proglacial regime
a) The annual (1973-1990) and mean annual hydrographs for the Mackenzie River above the Arctic Red River, NWT, Canada, indicating the dominance of the spring freshet in May a) The annual (1973-1990) and mean annual hydrographs for the Mackenzie River above the Arctic Red River, NWT, Canada, indicating the dominance of the spring freshet in May
Monthly mean discharge expressed as a percent of annual discharge from available data for selected Russian and Canadian rivers draining to the Arctic Monthly mean discharge expressed as a percent of annual discharge from available data for selected Russian and Canadian rivers draining to the Arctic
Distribution of organochlorine contaminants (OCs) in Arctic air, snow, seawater, and the marine mammals food chain Data for the six major classes of OCs are plotted for each compartment or species as the percent of Distribution of organochlorine contaminants (OCs) in Arctic air, snow, seawater, and the marine mammals food chain Data for the six major classes of OCs are plotted for each compartment or species as [..]
Concentrations of sum-HCH in Arctic air Concentrations of sum-HCH in Arctic air
Illustration of the movement of less dense spring freshet water moving through a small Arctic lake underneath the surface ice cover, but not mixing with the water column Illustration of the movement of less dense spring freshet water moving through a small Arctic lake underneath the surface ice cover, but not mixing with the water column
Monthly mean discharges for the Nelson River, Canada for the period 1960 to regulation in 1973, compared to post-regulation discharges from 1976 to 1990 Monthly mean discharges for the Nelson River, Canada for the period 1960 to regulation in 1973, compared to post-regulation discharges from 1976 to 1990
Temporal trends in concentrations of sum-HCH and toxaphene in Arctic air Temporal trends in concentrations of sum-HCH and toxaphene in Arctic air
Temporal trends in PCB and DDT levels (µg/g lw ± 95% confidence limits) of otter muscle in Sweden Levels are based on means of 26, 16, and 28 samples (northern Sweden) and 29, 9, and 15 samples (southern Sweden) Temporal trends in PCB and DDT levels (µg/g lw ± 95% confidence limits) of otter muscle in Sweden Levels are based on means of 26, 16, and 28 samples (northern Sweden) and 29, 9, and 15 samples [..]
Changes with time in activity concentration of 137Cs in Finnish rivers Changes with time in activity concentration of 137Cs in Finnish rivers
Changes with time in activity concentration of 90Sr in Russian and Finnish rivers Changes with time in activity concentration of 90Sr in Russian and Finnish rivers
Changes with time in activity concentration of 137Cs in freshwater fish in Arctic Finland Changes with time in activity concentration of 137Cs in freshwater fish in Arctic Finland
Annual average of alkalinity and pH as measured in rivers in northern Fennoscandia and the Kola Peninsula Annual average of alkalinity and pH as measured in rivers in northern Fennoscandia and the Kola Peninsula
Annual average of sulfate and base cation concentrations as measured in rivers in northern Fennoscandia and the Kola Peninsula Note: SO4 (non-seasalt) estimated for river Utsjoki from total sulfur Annual average of sulfate and base cation concentrations as measured in rivers in northern Fennoscandia and the Kola Peninsula Note: SO4 (non-seasalt) estimated for river Utsjoki from total sulfur
Median concentrations of sulfate, base cations, and nitrate in lakes of northern Fennoscandia and the Kola Peninsula Median concentrations of sulfate, base cations, and nitrate in lakes of northern Fennoscandia and the Kola Peninsula

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