204 record(s) found with the tag "permafrost" (multi-year projects are grouped):
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Characterization of permafrost cores from the Inuvik-Tuktoyaktuk Corridor, NWT, Canada
Principal Investigator: Alvarez, Alejandro
Licensed Year(s): 2020
Summary: This licence has been issued for the scientific research application No.4610. The objectives of this study are to: 1) evaluate the geologic setting including geochemistry, and radiocarbon ages to establish a regional history of the area; 2) investigate the geologic setting of multiple buried ice bodies; and 3) develop a geologic map along the southern Inuvik-Tuktoyaktuk Highway (ITH) highlighti...


ABoVE Permafrost Dynamics Observatory
Principal Investigator: Miller, Charles E
Licensed Year(s): 2019
Summary: The objective of this project is to collect physical and geophysical measurements quantifying permafrost susceptibility to ABoVE's internationally-available dataset. Researchers can access these data to bolster understanding of environmental processes and the ability to remotely-sense these on a regional scale. Airborne remote sensing missions from August 2017, 2018, and August of 2019 by NASA'...


Whati Permafrost Vulnerability Mapping
Principal Investigator: Bonnaventure , Philip P.
Licensed Year(s): 2019
Summary: The goal of this project is to create a permafrost hazard/vulnerability map of the community of Whati, NT. In addition to the general map, ideal location(s) for future graveyard and residential development will be identified. The three main deliverables outlined in conversations with representatives from Whati are: suitable location(s) for future graveyard development, suitable locations(s) f...


Impacts of wildfire and forest management on permafrost conditions and post-fire regeneration
Principal Investigator: Baltzer, Jennifer L
Licensed Year(s): 2019
Summary: The primary objective is to better understand the impact of disturbance on forest regeneration in the NWT. To this end, the team aim to evaluate the direct impacts of both forest harvesting and wildfire on tree regeneration the interaction of these two disturbances with permafrost thaw. The research team will establish new monitoring sites in the proposed Forest Management Areas and adjacent un...


The effect of permafrost slumping on carbon delivery from land to water
Principal Investigator: Tank, Suzanne E
Licensed Year(s): 2019 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 ecosystems and the global carbon cycle. This summer, the research team will measure streamwater chemistry at a series of sites draining from the Peel Plateau, near where they enter the Mackenzie Delta. At one site (Stony Creek), t...


From Archaea to the Atmosphere: Integrating Microbial, Isotopic and Landscape-Scale Observations to Quantify Methane Emissions from Global High-Latitude Ecosystems
Principal Investigator: Varner, Ruth K
Licensed Year(s): 2019
Summary: The aim of this project is to combine remote sensing data, field measurements and biogeochemical modeling to improve methane emissions estimates from thawing permafrost peatland landscapes at local, regional and global scales. To accomplish this, the research team will integrate data on water table and vegetation from remote sensing (satellites, unmanned aerial vehicle (UAVs)), with local measurem...


Carbon in permafrost soils
Principal Investigator: Murton, Julian B
Licensed Year(s): 2019
Summary: The objective of the fieldwork is to collect soil samples from the active layer and near-surface permafrost. Twelve samples will be collected from coastal bluffs at Crumbling Point, and six samples from river banks beside East Channel. Soil profiles 1-2 m deep and naturally exposed by coastal, lake or river erosion will be cleared of slumped soil by spade, and described and recorded. At each si...


Permafrost carbon fluxes
Principal Investigator: Pumpanen, Jukka S
Licensed Year(s): 2019
Summary: The field work in Trail Valley Creek and Inuvik aims to study: 1) how catchment characteristics, such as vegetation and soil properties, control the amount and quality of aquatic dissolved organic matter (DOM) and its microbial degradability, and 2) how these factors further regulate greenhouse gas fluxes (carbon dioxide CO2, methane CH4, nitrous oxide N2O) from Arctic lakes. At the Dempster hi...


Permafrost and climate change, western Arctic Canada
Principal Investigator: Burn, Chris R
Licensed Year(s): 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998
Summary: The objective of this research is to understand the rate of ground warming in permafrost due to climate change and to measure the changes in ground surface characteristics that are occurring as a result. In particular, the research team are interested in changes in ground temperature, in the depth of the active layer, and in subsidence of the ground. The team are also interested in measuring how q...


Permafrost monitoring and collection of baseline terrain information in the Mackenzie Valley Corridor, NWT
Principal Investigator: Smith, Sharon S
Licensed Year(s): 2019
Summary: The objectives of this project are: 1) to provide baseline knowledge of permafrost and terrain conditions (specifically ground temperature and active layer thickness) and improve characterization of terrain sensitivity in the Mackenzie Valley; 2) to monitor ground temperature and active layer to detect changes in permafrost conditions resulting from surface disturbance or climate change and to ...


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