28 record(s) found with the tag "sediment" (multi-year projects are grouped):
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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. 5820. The proposed project will evaluate the temporal and spatial distribution of Polybrominated Diphenyl Ethers (PBDE) 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 b...


O'Connor Lake Mine Environmental Site Assessment
Principal Investigator: Horobin, Ric
Licensed Year(s): 2021
Summary: This licence has been issued for the scientific research application No.5035. The objective of this field program is to collect additional data including soil, surface water, groundwater, sediment and benthic invertebrate samples to analyze for potential contaminants. This information will help develop a human health and ecological risk assessment, and a remedial action plan to reclaim the site...


Nutrient and contaminant status in the wetlands of the Slave River Delta
Principal Investigator: Doig, Lorne
Licensed Year(s): 2021
Summary: This licence has been issued for the scientific research application No.4988. The objectives of this project are to determine: 1) From the outer Slave River Delta (SRD) (river-water dominated) to the apex of the SRD (runoff dominated), what the current status of nutrients and contaminants in SRD wetland ecosystems are; 2) How trace elements (e.g., mercury) move through SRD wetland food webs; an...


SAMMS: Sub-Arctic Metal Mobility Study
Principal Investigator: Wolfe, Brent BBW
Licensed Year(s): 2019 2018
Summary: The seven-year objective of Sub-Arctic Meteal Mobility Study (SAMMS) is to identify, quantify, and predict mobility of natural-source and legacy mine-source metals in soil, wetlands, and lake sediments that extend from former, present, and planned mine sites currently and as climate change alters the quantity and quality of dissolved organic matter produced and exported in subarctic NWT watersheds...


Sediment core studies in Great Slave Lake
Principal Investigator: Evans, Marlene S.
Licensed Year(s): 2014
Summary: The objectives of this research project are to collect a series of sediment cores in the West Basin of Great Slave Lake to investigate time trends in various chemicals of interest including mercury, mercury isotopes and persistent organic contaminants. In late-March 2014, the research team will collect sediment cores at 3-4 locations on Great Slave Lake (West Basin, offshore Slave River). An 8...


Phase III ESA & RAP for Stark Lake Exploration Site, NT
Principal Investigator: Barnes, Keith G
Licensed Year(s): 2013
Summary: The objectives of this year’s work program are to: 1. Complete a Phase III Environmental Site Assessment of the site, to further assess and delineate areas of concern on the site to support Remedial Action Plan development; 2. Complete a hazard assessment of the Stark Lake Site to support the development of a health and safety plan, and ensure that the Crown’s due diligence in regards to ...


Effects of Athabasca and Slave River Sediments affected by oil sands operations on embryonic fish
Principal Investigator: Jones, Paul D
Licensed Year(s): 2013 2012 2011
Summary: The research team will quantify the effects of exposure of embryonic fish to contaminants released from oilsands operations that may be present in the sediments. The research team will drill a hole in the ice, no more than 12 inches in diameter, and use sediment collection equipment to collect a few centimeters of sediment from the river bed. Local communities will have an opportunity to as...


Landscape scale flooding in the Great Slave Lake Plain
Principal Investigator: Armstrong, Terry
Licensed Year(s): 2014 2013 2012 2011 2010
Summary: The objectives of this project are to draw together multiple sources of information so that the research team may (1) examine change in lake area in this ecoregion, (2) assess amount of meadow habitat lost to rising water levels in core bison range, (3) investigate whether recent changes are part of a longer-term cycle and evaluate the causes of this change, (4) determine a way to document and int...


Copper Pass Mine: Environmental Site Assessment and Remediation Planning
Principal Investigator: Wiatzka, Gerd M
Licensed Year(s): 2013 2012 2011 2010
Summary: The objective of the Copper Pass Phase III Environmental Site Assessment (ESA) and Remedial Planning Program is to assist AANDC-CARD with its ongoing work to clean up abandoned mine sites across the Northwest Territories. The program aims to identify any concerns at the site and to use these findings to create a Remediation Action Plan (RAP). Samples of waste rock, soil, vegetation, water, sed...


Phase II Environmental Assessments of six sites in the Northwest Territories
Principal Investigator: Winch, Susan
Licensed Year(s): 2012
Summary: The objective of this research project is to conduct Phase II Environmental Site Assessments (ESAs) at six locations located within the Northwest Territories (NT). The purpose of field investigations at Caribou Point, Crestaurum Mine, Sun-Rose Claim Group, Thompson-Lundmark Mine, Wrigley Point, and Dome Lake is to determine the current environmental and physical conditions at each site and to red...


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