5 record(s) found for principle investigator "Kokelj, Steven" (multi-year projects are grouped):
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Evaluating the environmental impacts of permafrost mega-disturbances along the Dempster Highway, NWT
Principal Investigator: Kokelj, Steven V
Licenced Year(s): 2014 2013 2012 2011 2010
Summary: The objective of this research project is to document the extent of ecological change in impacted stream basins draining the eastern slope of the Richardson Mountains and to determine the mechanisms of slump initiation and stabilization. This study will focus on the Stoney Creek catchment, which runs parallel to the Dempster Highway and empties into the Peel River at Fort McPherson, NT. The catchm...


Environmental Studies Across Tree Line
Principal Investigator: Kokelj, Steven V
Licenced Year(s): 2012 2011 2010 2009 2008 2007 2006 2005
Summary: This licence is being issued for the scientific research application no. 978. The objectives of this research are to: 1) Monitor permafrost conditions in the Mackenzie Delta region; 2) examine freeze-back of the active layer and associated strength properties of freezing soil; 3) examine the influence of shrub removal on frozen ground and snow conditions at abandoned drilling-mud sumps; 4) inve...


Environmental conditions at abandoned drilling mud-sumps in the Kendall Island Bird Sanctuary, Mackenzie Delta Region
Principal Investigator: Kokelj, Steven V
Licenced Year(s): 2006 2005
Summary: Since the 1970's, the oil and gas industry has drilled at least 19 exploratory wells in the Kendall Island Bird Sanctuary (KIBS), but there is a shortage of field data describing environmental conditions at the well-sites and drilling-mud sumps. In Marc...


Ground-thermal Conditions at Abandoned Drilling Mud Sumps, Mackenzie Delta Region, N.W.T.
Principal Investigator: Kokelj, Steven V
Licenced Year(s): 2003
Summary: In the Mackenzie Delta region, many of the drilling mud sumps constructed in the 1970s have partially or completely collapsed. The collapse of a sump can release contaminants previously immobilized in permafrost. The long-term degradation of many sumps...


Permafrost investigations, Mackenzie Delta region, N.W.T.
Principal Investigator: Kokelj, Steven V
Licenced Year(s): 2004 2003 2002 2001 2000 2000 1999
Summary: This study investigates the physical and chemical characteristics of permafrost in the Mackenzie Delta region. The thawing of ice-rich permafrost can result in subsidence or terrain instability. Determination of thaw-sensitive terrain is required to pla...


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