195 record(s) found with the tag "permafrost" (multi-year projects are grouped):
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Short and long term effects of forest fires on the stability of carbon pools in the arctic permafrost and subarctic forests (ARCTICFIRE)
Principal Investigator: Koster, Kajar
Licenced Year(s): 2018 2015
Summary: The aim of this project is to study the short term and long term effects of different fire intensities on the decomposition of soil organic matter (SOM) in northern boreal forests under changing fire regimes. The objectives are to: 1) explore the short and long term effects of forest fires with different intensity on above- and belowground biomasses; 2) explore changes in albedo, snow depths an...


Beaufort Sea Coastal Restoration – Exploring the Potential for Using Indigenous Plant Species to Revegetate Coastline Affected by Permafrost Thaw Slumping
Principal Investigator: Hille, Erika C
Licenced Year(s): 2018
Summary: The objectives of this project are to: 1) create a series of maps showing the thaw slump activity along the Beaufort Sea Coast near Tuktoyaktuk; 2) develop detailed water, vegetation, and ground temperature maps of the study sites using drones; 3) examine the effects of thaw slumping on the water quality of landscape-level runoff to the Beaufort Sea; 4) examine the effects of coastal erosion ...


Permafrost mapping and food security vulnerability assessment in Jean Marie River First Nation Lands
Principal Investigator: Laurent, Cyrielle C
Licenced Year(s): 2018
Summary: The proposed project will build on the proven methodology used during previous permafrost studies in Jean Marie River First Nation (JMRFN). It aims to extend the vulnerability map by including the McGill and Deep Lake area. These lakes are traditionally and culturally very important to JMRFN (for example, the area surrounding these lakes is also used repeatedly by caribou year after year) and the ...


Application of passive seismic methodologies to the determination of overburden thickness in a permafrost-rich environment
Principal Investigator: McPeak, Sara E
Licenced Year(s): 2018
Summary: The objectives of this project are to test if passive seismics can be used to map the thickness of overburden in a permafrost-rich environment; and, to compare overburden thickness derived from passive seismic data and known overburden thickness from drilling. This project will test to see if the earth’s natural vibration can be used to determine how much sand, gravel, soil and permafrost are a...


Landscape Response from Altering Ice-Rich Terrain
Principal Investigator: Lamoureux, Scott F
Licenced Year(s): 2018
Summary: The goal of this study is to understand landscape response following ice-rich terrain alteration. The research team will install temperature loggers in 2" PVC pipe from the surface down to 3 m depth to monitor the ground temperature evolution over the summer season in the pits. The team will also use the geophysical technique electrical resistivity tomography (ERT) to measure the amount and st...


Impacts of 10 years of climate warming on forests and peatlands in the Dehcho
Principal Investigator: Errington, Ruth
Licenced Year(s): 2018
Summary: After 10 years of warming climate conditions, the Canadian Fire Service is leading a field project to re-measure a series of permanent monitoring plots to identify any changes to the forest stand structure, tree growth rates, plant community composition, tree, shrub, herb, and lichen biomass. These changes will be associated with climate trends and environmental factors such as soil type, presence...


The effect of permafrost slumping on carbon delivery from land to water
Principal Investigator: Tank, Suzanne E
Licenced Year(s): 2018 2017 2016 2015 2014
Summary: The objective of this study is to understand how permafrost slumping increases the mobilization of carbon from land to water, and the effects of this transport on stream communities and the global carbon cycle. This summer, the research team will measure streamwater chemistry upstream and downstream of slump sites. The team will also examine the fate of this carbon by undertaking incubation experi...


PermASAR - Airborne SAR campaign on permafrost soils and boreal forests in the Canadian North-West
Principal Investigator: Hajnsek, Irena
Licenced Year(s): 2018
Summary: Collection of microwave radar backscatter data of permafrost and boreal forest at wavelengths of 3cm (X-band), 6cm (C-band), 10cm (S-band) and 23cm (L-band). This process will capture two stable permafrost active layer states: thawed and frozen. The research team will derive information about permafrost (e.g. soil status, soil moisture) and about forest (e.g. structure, biomass) from collected dat...


Drivers and constraints of ecological change in the western Arctic
Principal Investigator: Lantz, Trevor C.
Licenced Year(s): 2018 2017
Summary: The objectives of this research are: 1) to use remote sensing (Landsat, QuickBird, InSAR, Airphotos, UAVs, etc.) to document regional landscape change (tundra fire, infrastructure, saline flooding, slumps, subsidence, vegetation change, lake drainage / expansion, etc.); and, 2) to use field sampling and monitoring to determine the causes and impacts of regional changes in vegetation, and permafr...


Impact of climate change on catchment biogeochemistry in plains and shield regions
Principal Investigator: Olefeldt, David
Licenced Year(s): 2018
Summary: The objective of this research is to identify impacts of climate change and permafrost thaw on pond methane emissions, and on water chemistry in streams that drain peatland-rich catchments. Impacts on methane emissions will be assessed. Specific objectives are: 1) to characterize the trends and variability in magnitude of methane emission from ponds along climate gradients within both the Taiga...


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