NWT RESEARCH DATABASE

Principal Investigator: Siegfried, Dian
Licensed Year(s): 2016 2013 2010
Summary: The objective of this project is to continue an ongoing long-term monitoring of permafrost temperatures on Banks Island and Mould Bay. At these sites the research team have lost remote (satellite) communication and need to make repairs to continue receiving data. The research team are currently monitoring active layer and permafrost temperatures, active layer soil moisture, air temperature, and...

Principal Investigator: Lafleur, Peter M
Licensed Year(s): 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2007 2005 2004
Summary: The research team intends to study how important greenhouse gases, carbon dioxide and methane, are exchanged between tundra surfaces and the atmosphere. They will measure these exchanges over various tundra types and relate them to environmental variables such as soil properties and weather, in hopes of understanding more about how future climate change will impact the land surface and how these i...

Principal Investigator: English, Michael C
Licensed Year(s): 2013
Summary: This research is physically based on a peat plateau and a peat bog, both close to Yellowknife. There are two primary objectives to this research. The first involves quantifying surface energy balances in areas where degradation of peat is pronounced and where it is not. Suprapermafrost water from the degraded and non-degraded sites will be analyzed for nutrients and dissolved organic carbon (DOC) ...

Principal Investigator: Yoshikawa, Kenji KY
Licensed Year(s): 2013
Summary: Uniform permafrost and ground surface temperature measurements are one of the more important databases for long-term climatic study as well as remote sensing ground truthing data. Consistency in sensor depth, casing and drilling methods helps in comparison of the spatial and temporal distribution of the permafrost and seasonal conditions. The proposed partnership with the schools aids continuous m...

Principal Investigator: Gilbert, Graham L
Licensed Year(s): 2010
Summary: The objectives of this project are to define the impact of snow depth, surface vegetation, and soil characteristics on spatial and temporal variations in active-layer freeze-back in the low arctic tundra east of the Mackenzie Delta. The duration of freeze back will be determined from the ground temperatures measured at the top of permafrost. This temperature only declines at the site when the ac...

Principal Investigator: Quinton, William L.
Licensed Year(s): 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2001
Summary: The objective of this project will examine the energy balance of the seasonally thawed layer (i.e. active layer) that overlies the permafrost in the wetland-dominated region of the lower Liard River valley. Specifically, the following questions will be addressed: 1) What are the major factors (e.g. soil moisture, tree canopy density) controlling the flow of energy into and from the active layer? 2...

Principal Investigator: Kokelj, Steven V
Licensed 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...

Principal Investigator: Nixon, Fredrick M.
Licensed Year(s): 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990
Summary: The goal of this research is to understand how the active layer, which overlies the permafrost and thaws and re-freezes every year, will respond to environmental change, including climate warming. Active layer thickness can influence hunting, fishing, gathering and forestry through vegetation and soil conditions. The character of the active layer affects transportation and construction, while chan...

Principal Investigator: Nixon, Fredrick M.
Licensed Year(s): 2008
Summary: The objective of this project is to conduct snow surveys at selected sites in the Mackenzie Delta, related to permafrost studies. Snow surveys will be carried out at three selected sites in the Delta during early April. These are Circumpolar Active Layer Monitoring Program sites. There is a grid marked on these locations, where the researchers will be measuring the snow pack and snow density. M...

Principal Investigator: Morse, Peter D
Licensed Year(s): 2008 2007 2006
Summary: This licence was issued for the scientific research licence application number 748. The project objective is to determine how near-surface wedge ice volumes are related to geomorphic setting, which reflects soil physical properties, moisture contents, and process and duration of ice formation. Wedge ice geometry will be measured with a hand-held CRREL drill, permafrost cores extracted, and s...