234 record(s) found in the location "Dehcho Region" (multi-year projects are grouped):
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Contemporary Lateral Channel Behavior Along the Lower Reaches of Tributaries to the Mackenzie River - Fort Simpson to Norman Wells
Principal Investigator: Brooks, Greg
Licensed Year(s): 1993 1992
Summary: The researcher and his team will use a special instrument to transfer the channel position at a given location from an aerial photograph to a base map. Repeating this exercise for different aged aerial photographs of the same site reveals the progressive change in the channel position. These maps will show exactly where the channel change is occurring and will allow the rates of movement to be m...


Use of Ground Penetrating Radar to Assess Subsurface Sediments in the Fort Smith, Slave, Hay River and Liard Deltas
Principal Investigator: Jol, Harry M.
Licensed Year(s): 1992 1991 1990
Summary: Surveys will be conducted on the surface of the delta plains. A Pulse Ekko IV ground penetrating radar system will be used to take measurements every 1 to 2 metres using this portable system. These waves due to their frequency (50 to 200 MHz) have no affect on the environment (they are similar to FM radio waves)....


Distributed Snowmelt Modelling for Flood Forecasting in Northern Rivers
Principal Investigator: Soulis, E.D. (Ric)
Licensed Year(s): 1992
Summary: The purpose of the project is to improve the ways we have to predict the spring floods in the smaller rivers. Floods from snowmelt are a particular concern in northern rivers. In the Ft. Simpson area, spring flows from the smaller rivers, which are tributaries to the Liard and Mackenzie, have a great deal to do with the timing and nature of breakup on the major rivers. Snow conditions will be surv...


Peat Plateau Collapse and Climate Change
Principal Investigator: Wein, Ross
Licensed Year(s): 1992
Summary: The research will examine permafrost-containing peat plateaus that have burned during severe fires to determine the features of subsidence (decrease) and the rate of subsidence....


Vegetation Response to Global Warming in the Mackenzie River Basin: Interations Between Northern Boreal Forests, Wetlands and Regional Hydrology
Principal Investigator: Nicholson, Barbara
Licensed Year(s): 1992
Summary: The Researcher will map the present distribution of boreal and subarctic wetlands in the Mackenzie River Basin. Wetland vegetation and water chemistry will be described for areas immediately surrounding permanent weather stations. The ecological relationships between climate, wetland water chemistry and wetland species distribution will be analyzed. A predictive indicator model will be built to pr...


Influence of the Slave River on Great Slave Lake
Principal Investigator: Evans, Marlene S.
Licensed Year(s): 1992
Summary: The Researchers will collect a series of sediment and water samples. These will be analyzed for plant nutrients, concentration of microscopic plant cells, bacteria, suspended solids, dissolved oxygen and organic contaminants. Microscopic animals will also be netted. They will determine the abundance and composition of the animals and conduct experiments to measure their feeding rates and fat cont...


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....


Digital Database of Vegetation Types of the Mackenzie Valley Development Corridor
Principal Investigator: Squires Taylor, Cindy
Licensed Year(s): 1992 1991
Summary: The Researcher will conduct a survey, approximately 30 km on either side of the Mackenzie River using satellite imagery. A classification will be undertaken of the area from the Mackenzie Delta to the Fort Simpson area, with wider zones along the east side to include proposed pipeline routes. The information can be plotted as colour maps to show the location of trap lines, forest fires or wildlife...


Architecture and Construction Technique in Northern Climate
Principal Investigator: Nadji, Kayhan
Licensed Year(s): 1992 1991
Summary: This research will investigate the relationship between the architectural and technical aspects of buildings and severe northern climate....


Distribution and Genesis of Karst Landforms in the Northern Mackenzie Mountains, N.W.T.
Principal Investigator: Hamilton, James P.
Licensed Year(s): 1991
Summary: Karst landscapes are landforms developed on carbonate rocks in humid and temperate climates and are relatively rare in permafrost areas. The Researcher and team will focus on understanding how Karst has and is developing in the Northern Mackenzie Mountains. This will be done by identifying karst forms and examining how water moves in these environments....


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