10 record(s) found with the tag "geochemistry" (multi-year projects are grouped):
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Inuvik to Tuktoyaktuk Highway Metal Chemistry
Principal Investigator: Gammon, Paul R
Licensed Year(s): 2023 2022 2021
Summary: This licence has been issued for the scientific research application No.5551. The overall objective of the research is to eventually determine the environmental chemistry of the elevated metal concentrations, which will in turn determine the environmental risk that these measured concentrations pose (i.e. will answer, at least in part, the questions: do these sites require remediation, and in w...


Reconnaissance Study of Smoking Hills
Principal Investigator: Dunfield, Peter F
Licensed Year(s): 2013
Summary: The objective of this work is to conduct a one day reconnaissance study of the Smoking Hills area. Mineral, rock, water and soil samples will be collected. Geochemical properties and microbial communities will be analysed in the laboratory in order to characterize any potential features unique to this site that would warrant future, more detailed research. The site will be accessed by helicopt...


Arctic Peatland Carbon and Holocene Warm Climates
Principal Investigator: Beilman, David W
Licensed Year(s): 2013
Summary: The research team seek to understand carbon dynamics during warm climate intervals in the Arctic: the Holocene Thermal Maximum (HTM) the warmest pre-industrial interval ranging in timing from 10 ka (thousands of years before present) with maximum seasonality to 6 ka with reduced seasonality, and the Medieval Climate Anomaly (MCA) at ~1 ka with similar seasonality as today. By studying peat cores f...


The cumulative impacts of rapid environmental change in the northwestern NWT: Investigating the impacts of mega-slump disturbances on terrestrial and aquatic ecosystems in the lower Peel watershed, NW
Principal Investigator: Lacelle, Denis
Licensed Year(s): 2013 2012
Summary: This is a multidisciplinary project involving communities, governments and academic researchers. The goals are to : 1) inventory and track broad scale changes in landscape disturbances; 2) determine the impacts of natural and anthropogenic disturbances on the physical and chemical characteristics and ecology of streams and rivers; 3) determine disturbance thresholds relevant to the health of strea...


Chronology of Thaw Flow and Geochemistry of Associated Massive Ground Ice. Fort McPherson, Northwest Territory, Canada.
Principal Investigator: CLARK, Ian D.
Licensed Year(s): 2011 2010
Summary: In the Gwich’in Settlement Region, residents of Fort McPherson have identified the unusual size of the mega-slumps on the Peel Plateau as a serious concern to both water quality and aquatic ecosystem. In addition to research oriented objectives relevant to understanding cumulative effects of mega-slump development on the land and water of the Peel Plateau, the project team will pursue establishing...


Mineral Precipitates at Flybye Springs, NWT
Principal Investigator: Bonny, Sandy
Licensed Year(s): 2005 2004
Summary: The Flybye Springs are unique in that they precipitate a mineral called barite and are weakly radioactive. The hydrology of the springs was examined by researchers in 1979, but the deposits of barite were not, nor was the microbiology of the spring flow...


Tracking arctic river water by geochemical means: Mackenzie Delta case study
Principal Investigator: Falkner, Kelly K.
Licensed Year(s): 1994
Summary: The researchers will be tracking the fate of Mackenzie River waters through the Delta and into the Arctic Ocean by using natural geochemical markers. Water samples will be collected by drilling through the ice at 50 locations along the main channel of the river and out over the shelf. This information is important for understanding the circulation of Arctic Ocean waters, the processes of global ...


Biogeochemistry of lakes in the Mackenzie Delta
Principal Investigator: Lesack, Lance
Licensed Year(s): 2017 2016 2015 2014 2010 2009 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993
Summary: This research involves a variety of activities that involve investigating the chemical makeup of ice, streams and lakes. In addition, some work will be conducted on measuring the microscopic and larger organisms (e.g., algae and bugs) present in streams. Most of the field work will be based out of the Inuvik Research Centre with some work conducted in collaboration with Dr. P. Marsh at Trail Val...


Hydrology and Geochemistry of Terrestrial Drainage in the Expedition Fiord Region of Axel Heiberg Island, NWT
Principal Investigator: English, Michael C
Licensed Year(s): 1994 1992 1991
Summary: The researcher and his team will attempt to understand the terrestrial hydrological pathways of water draining into surface streams, rivers and lakes in the high arctic. As well, they will attempt to understand the vadose and phreatic zone dynamics in the seasonal active layer, and quantify the geochemical reactions within the groundwater....


The Hydrogeology and Deposition of the Rabbitkettle Hotsprings and Tufa Mounds, Nahanni National Park, N.W.T.
Principal Investigator: Gulley, Angela L.
Licensed Year(s): 1992 1991
Summary: The Researcher will continue a project begun in 1991 which included mapping the local geology adjacent to the hotsprings, conducting a geochemical analysis of the springwaters, monitoring the physical properties, calculating natural discharge rates and conducting a pumping test and monitoring of depositional rates of tufa accumulations....


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