7 record(s) found for principle investigator "Dyke, Larry" (multi-year projects are grouped):
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Stability of permafrost slopes in a warming climate
Principal Investigator: Dyke, Larry
Licenced Year(s): 1999
Summary: The goal of this research is to examine landslides on the slopes along the Mackenzie Valley, so that researchers can better understand their causes and the effect climate change will have on the landscape. Field work will be carried out between Wrigley and Inuvik along the Mackenzie River, with some access along the Dempster Highway. Tree increment cores will be used to determine tree age and dat...


Using Drilling Mud Sumps to Determine how well Permafrost Contains Contaminants
Principal Investigator: Dyke, Larry
Licenced Year(s): 1998 1997
Summary: Field work this year will be devoted to 1) determining the maximum extent of potassium chloride migration from sumps examined in 1997, 2) examine the Mallik L-38 sump constructed in 1972 as one of the oldest sumps in the Delta, 3) examine the sumps in Parsons Lake area where topographic relief has added the potential for salt migration due to groundwater flow. Sumps along Kumak Channel, near the m...


Implications of climate change for slope stability in the Mackenzie Valley
Principal Investigator: Dyke, Larry
Licenced Year(s): 1993
Summary: In this ongoing study, the frequency and characteristics of landslides occurring in the Mackenzie Valley area are examined. I am trying to determine the roles that forest fires, climate changes and water flow in rivers play in the location and number of landslides. The field work will involve taking measurements on past landslides that include measuring permafrost features and taking core samples...


Permafrost Adjustment to Coastal and Deltaic Processes - Beaufort Sea and Mackenzie Delta, N.W.T.
Principal Investigator: Dyke, Larry
Licenced Year(s): 1992 1991 1990
Summary: The coast of the Beaufort Sea is presently undergoing many changes, either due to coastal erosion or sediment deposition. The Researcher and team will measure temperature due to these processes. Using known rates at which these processes take place it will be possible to predict further changes in temperature and distribution of permafrost....


The influence of sedimentation on permafrost distribution, Richards Island, NWT.
Principal Investigator: Dyke, Larry
Licenced Year(s): 1988
Summary: To place temperature probes using a water jet to measure temperatures beneath a 2 km long spit at the north end of Richards Island to determine if the accumulation of these sediments has influenced the distribution of permafrost....


The distribution of permafrost in the tidal zone of an emerging Arctic Coast.
Principal Investigator: Dyke, Larry
Licenced Year(s): 1987
Summary: To establish the distribution of permafrost in the tidal zone of an emerging Arctic Coast. To install 2 thermistor cables to a depth of 10-15 m. on the beach one km. west of the settlement of Cambridge Bay, Victoria Island....


Licence #5037
Principal Investigator: Dyke, Larry
Licenced Year(s): 1985
Summary: To re-occupy sites established on Melville Island for the measurement of frost heaving of bedrock. These sites consist of arrays of survey markers which are periodically resurveyed using a theodolite and stadia rod....


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