Search Results: "Freshwater environment" OR "river ice" OR "freeze-up/break-up"

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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
Average concentrations (ng/L) of sum-HCH in Arctic rivers in 1993 Average concentrations (ng/L) of sum-HCH in Arctic rivers in 1993
Concentrations of sum-PCB and sum-DDT in surface sediments (from grab samples or from top slices of cores) on a circumpolar basis, and the ranked distribution of values Concentrations of sum-PCB and sum-DDT in surface sediments (from grab samples or from top slices of cores) on a circumpolar basis, and the ranked distribution of values
Latitudinal fluxes of sum-PCB in dated sediment cores from 25 locations including 13 Arctic locations (in Canada, Finland, and Alaska) Latitudinal fluxes of sum-PCB in dated sediment cores from 25 locations including 13 Arctic locations (in Canada, Finland, and Alaska)
Comparison of sum-PCB concentrations (lipid normalized) in Arctic versus temperate zone salmonid fish See Annex Table 6A9 for wet weight concentrations Comparison of sum-PCB concentrations (lipid normalized) in Arctic versus temperate zone salmonid fish See Annex Table 6A9 for wet weight concentrations
OC levels (µg/g lw in muscle) in landlocked and anadromous (italic labels) Arctic char OC levels (µg/g lw in muscle) in landlocked and anadromous (italic labels) Arctic char
Mean delta-15 nitrogen (ppt) for invertebrates and fish collected from Laberge, Fox, and Kusawa Lakes Mean delta-15 nitrogen (ppt) for invertebrates and fish collected from Laberge, Fox, and Kusawa Lakes
Geographic trends of sum-PCBs in zooplankton (>100 µm) in northern Canadian lakes All concentrations in ng/g dw Geographic trends of sum-PCBs in zooplankton (>100 µm) in northern Canadian lakes All concentrations in ng/g dw
delta-15 Nitrogen isotope ratios versus Toxaphene, DDT, and HCH for fish and invertebrates from Lake Laberge, Yukon Territory delta-15 Nitrogen isotope ratios versus Toxaphene, DDT, and HCH for fish and invertebrates from Lake Laberge, Yukon Territory
Historical profiles of PCBs (trichloro- and all other) in slices from dated sediment cores in Alaska, Canada, and Finland Median age of each slice is given on the vertical axis The green lines indicate the source function of PCBs Historical profiles of PCBs (trichloro- and all other) in slices from dated sediment cores in Alaska, Canada, and Finland Median age of each slice is given on the vertical axis The green lines [..]
Concentrations, as geometric means, of major organochlorine groups in burbot liver at Fort Good Hope, NWT, Canada (1986-94) Vertical bars denote standard errors Concentrations, as geometric means, of major organochlorine groups in burbot liver at Fort Good Hope, NWT, Canada (1986-94) Vertical bars denote standard errors
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 represented by dark points, 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 [..]
Levels of PCB congeners and PCDD/Fs (ng/g lw) in Lake Storvindeln pike muscle between 1968 and 1992 Levels of PCB congeners and PCDD/Fs (ng/g lw) in Lake Storvindeln pike muscle between 1968 and 1992
Concentrations of Hg in dated sediment cores from lakes in Arctic Finland and Canada Concentrations of Hg in dated sediment cores from lakes in Arctic Finland and Canada

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