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2 record(s) found for principal investigator "Gregor, Dennis" (multi-year projects are grouped):
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Processes and Fluxes of Contaminants in Aquatic Systems
Principal Investigator: Gregor, Dennis J.
Licensed Year(s): 1993
Summary: Atmospheric contaminants that accumulate in the snow are released during a very short time in the spring when the snow melts and washes out through rivers and lakes into the Arctic Ocean. Contaminants can be bound to substrates, consumed by organisms or transformed so that not all contaminants deposited in the snow reach the Arctic Ocean. In this on-going study, contaminant levels and distributi...
Licensed Year(s): 1993
Summary: Atmospheric contaminants that accumulate in the snow are released during a very short time in the spring when the snow melts and washes out through rivers and lakes into the Arctic Ocean. Contaminants can be bound to substrates, consumed by organisms or transformed so that not all contaminants deposited in the snow reach the Arctic Ocean. In this on-going study, contaminant levels and distributi...
Deposition and Fate of Trace Organic Contaminants in Arctic Aquatic Systems
Principal Investigator: Gregor, Dennis J.
Licensed Year(s): 1992 1991 1991 1990
Summary: Snow samples will be collected from very remote sites throughout the mainland of NWT during visits to stations maintained by Water Resources Branch. Samples will also be collected at several high Arctic weather stations. Intensive sampling will also be conducted on Agassiz Ice Cap near Resolute. Samples will be analyzed for pesticides, PCBs and other compounds....
Licensed Year(s): 1992 1991 1991 1990
Summary: Snow samples will be collected from very remote sites throughout the mainland of NWT during visits to stations maintained by Water Resources Branch. Samples will also be collected at several high Arctic weather stations. Intensive sampling will also be conducted on Agassiz Ice Cap near Resolute. Samples will be analyzed for pesticides, PCBs and other compounds....
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