292 record(s) found with the tag "water quality" (multi-year projects are grouped):
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TERRE-NET: Controls on the Release of Contaminants from Gold Tailings at the Giant Mine, Yellowknife, NT
Principal Investigator: Blowes, David W.
Licensed Year(s): 2024 2023 2022 2021 2020 2019 2018 2017
Summary: This licence has been issued for the scientific research application No.5447. The objectives of this project are to: 1) determine the magnitude and rate of release of arsenic and other toxic elements from the Giant Mine tailings to groundwater; 2) evaluate remediation alternatives for tailings management, including the effects of proposed engineered covers; and, 3) apply novel characterization ...


Biogeochemistry of Lakes in the Mackenzie Delta
Principal Investigator: Lesack, Lance
Licensed Year(s): 2024 2023 2022
Summary: This licence has been issued for the scientific research application No.5554. The objectives of this project are to improve the understanding of methane cycling in Mackenzie Delta lakes and how it is affected by the changing water levels and to decipher the impact of water level changes on the ability of the Mackenzie Delta to affect riverine carbon and nutrient flow to the ocean. Improve un...


Geochemical Characterization and Reactive Transport Simulation of Metal Leaching and Acid Generation in Waste Rock from the Ekati Diamond Mine, NT
Principal Investigator: Blowes, David W.
Licensed Year(s): 2023
Summary: This licence has been issued for the scientific research application No.5492. The objective of this project is to characterize the geochemical evolution of the waste-rock contained in Pigeon waste-rock storage area to refine management solutions for this waste stream. The proposed research activities will involve field collection of Pigeon waste-rock samples and installation of monitoring eq...


Understanding of distribution and sources of polybrominated diphenyl ethers in the north and east of Great Slave Lake and coastal regions
Principal Investigator: Chen, Bing
Licensed Year(s): 2024 2023
Summary: This licence has been issued for the scientific research application No.5251. The proposed project will evaluate the temporal and spatial distribution of Polybrominated diphenyl ethers (PBDEs) in the water and sediment of Great Slave Lake and surrounding communities, landfills, drinking water, and industries to identify the source of PBDEs. The concentration and distribution of PBDEs will be de...


Recovery of the Mine-impacted Landscape in the Yellowknife Region
Principal Investigator: Palmer, Mike
Licensed Year(s): 2023
Summary: This licence has been issued for the scientific research application No.5534. The long-term objective of this research is to determine what processes control the recovery of the landscape near Yellowknife that was contaminated by stack emissions from the Giant Mine roaster, and how this recovery will be affected by climate change and unusual or severe weather events. One focus will be on how cl...


Temporal trend studies of trace metals and halogenated organic contaminants (HOCs) including new and emerging persistent compounds, in Mackenzie River burbot, Fort Good Hope, NWT
Principal Investigator: Stern, Gary
Licensed Year(s): 2023
Summary: This licence has been issued for the scientific research application No.5414. The short-term goals are to determine if burbot contaminant concentrations: 1) Remain below Health Canada guidelines (i.e. <0.5 ppm mercury per gram fish). The research will provide annual data to NWT Health and Social Services for evaluation; 2) Are associated with dietary indicators, i.e. stable isotope ratio data (...


Arctic Great Rivers Observatory 4
Principal Investigator: Holmes, Robert M
Licensed Year(s): 2024 2023 2022 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009
Summary: This licence has been issued for the scientific research application No.5441. The Arctic Great Rivers Observatory project studies the six largest rivers in the Arctic: the Mackenzie and Yukon Rivers in North America, and the Ob', Yenisey, Lena, and Kolyma Rivers in Russia. The research team are interested in understanding how climate change is impacting Arctic rivers. The team take measurements...


De Beers - Gahcho Kué Environmental Monitoring Program
Principal Investigator: Liu, William X
Licensed Year(s): 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010
Summary: This licence has been issued for the scientific research application No.5393. The objective of the proposed studies is to implement the approved environmental monitoring and management plans to monitor any potential environmental effects from the mining activities at the Gahcho Kue Mine. The proposed studies will include the collection of air quality, geochemistry, hydrology, water and sedi...


Further Examination of the Bio- Magnification of Mercury within Fish Species and watersheds of the Deh Cho and Their Varying Levels Among Lakes
Principal Investigator: Low, Mike
Licensed Year(s): 2023 2021 2019
Summary: This licence has been issued for the scientific research application No.5348. The objectives of this research project are: 1) to determine why fish mercury levels vary among lakes in the Dehcho region; 2) to identify best predictors of fish mercury levels; 3) to determine with fish have the lowest levels of mercury and the highest levels of nutrients; and, 4) to collect data on parameters that ...


Yellowknife Wetland Delineation Study and Great Slave Lake Monitoring
Principal Investigator: Brown, Jennifer M
Licensed Year(s): 2022
Summary: This licence has been issued for the scientific research application No.5336. The purpose of the Wetland Delineation Study is to define the flow paths of effluent from the treatment lagoon to Great Slave Lake and thereby inform sampling design of the Great Slave Lake Monitoring Program. The objectives of the Wetland Delineation are varied and, based on available documentation, we understand the...


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