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8 record(s) found in the location "Dehcho Region" (multi-year projects are grouped):
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Lakes as sentinels of environmental change in discontinuous permafrost peatlands
Principal Investigator: Korosi, Jennifer B
Licensed Year(s): 2024 2023
Summary: This licence has been issued for the scientific research application No.5468. The goal of this project is to understand and predict how lakes in discontinuous permafrost peatlands are changing in response to climate warming and loss of permafrost. The field activities for 2023 will focus on three regions/objectives: Inferring long-term environmental change in the Five Fish Lakes (Lue Túé ...
Licensed Year(s): 2024 2023
Summary: This licence has been issued for the scientific research application No.5468. The goal of this project is to understand and predict how lakes in discontinuous permafrost peatlands are changing in response to climate warming and loss of permafrost. The field activities for 2023 will focus on three regions/objectives: Inferring long-term environmental change in the Five Fish Lakes (Lue Túé ...
The frontline of permafrost thaw: a transect of eddy covariance towers across the southern Taiga Plains to better understand changing regional carbon and water budgets
Principal Investigator: Sonnentag, Oliver
Licensed Year(s): 2024 2023 2022 2021 2019 2018 2018 2017 2016 2015
Summary: This licence has been issued for the scientific research application No.5219. Through this project the research group will address the following objectives: What is the net effect of permafrost thawing induced biophysical and biogeochemical feedbacks to the climate system? How do these two types of feedback differ between the sporadic and discontinuous permafrost zones? Is the reported decrease...
Licensed Year(s): 2024 2023 2022 2021 2019 2018 2018 2017 2016 2015
Summary: This licence has been issued for the scientific research application No.5219. Through this project the research group will address the following objectives: What is the net effect of permafrost thawing induced biophysical and biogeochemical feedbacks to the climate system? How do these two types of feedback differ between the sporadic and discontinuous permafrost zones? Is the reported decrease...
Influence of changing active-layer thickness on permafrost peatland trace gas exchanges and carbon balance
Principal Investigator: Sonnentag, Oliver
Licensed Year(s): 2022 2021 2019 2017 2016 2015 2014 2013 2013
Summary: The project of the present application is the continuation of year-round eddy covariance measurements of carbon, water and energy fluxes at Scotty Creek, established in 2013. The key methodology is tower-mounted micrometeorological measurements around the eddy covariance technique using an open-path infra-red gas analyzer and a sonic anemometer. These measurements are supported by measurements ...
Licensed Year(s): 2022 2021 2019 2017 2016 2015 2014 2013 2013
Summary: The project of the present application is the continuation of year-round eddy covariance measurements of carbon, water and energy fluxes at Scotty Creek, established in 2013. The key methodology is tower-mounted micrometeorological measurements around the eddy covariance technique using an open-path infra-red gas analyzer and a sonic anemometer. These measurements are supported by measurements ...
Impacts of 10 years of climate warming on forests and peatlands in the Dehcho
Principal Investigator: Errington, Ruth
Licensed 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...
Licensed 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...
Effects of fire on peatland permafrost stability and carbon cycling
Principal Investigator: Olefeldt, David
Licensed Year(s): 2017 2016 2015
Summary: The project team intend to study carbon cycling in peatland catchments, in order to determine whether the interactions between wildfire and permafrost thaw causes increased release of greenhouse gases from peatlands and aquatic ecosystems to the atmosphere, and thus cause amplified climate change. Given the overall objective of the project, the team intend to address five research questions: ...
Licensed Year(s): 2017 2016 2015
Summary: The project team intend to study carbon cycling in peatland catchments, in order to determine whether the interactions between wildfire and permafrost thaw causes increased release of greenhouse gases from peatlands and aquatic ecosystems to the atmosphere, and thus cause amplified climate change. Given the overall objective of the project, the team intend to address five research questions: ...
Surficial Geology of Mackenzie Corridor
Principal Investigator: Duk-Rodkin, Alejandra ADR
Licensed Year(s): 2007 2006 2005 2004
Summary: This project aims to obtain a better understanding of the sensitivity of slopes to disturbance from development, especially in the context of progressive climate warming. It will also identify baseline levels for natural and anthropogenic contaminants,...
Licensed Year(s): 2007 2006 2005 2004
Summary: This project aims to obtain a better understanding of the sensitivity of slopes to disturbance from development, especially in the context of progressive climate warming. It will also identify baseline levels for natural and anthropogenic contaminants,...
Peat Plateau Collapse and Climate Change
Principal Investigator: Wein, Ross
Licensed Year(s): 1992
Summary: The research will examine permafrost-containing peat plateaus that have burned during severe fires to determine the features of subsidence (decrease) and the rate of subsidence....
Licensed Year(s): 1992
Summary: The research will examine permafrost-containing peat plateaus that have burned during severe fires to determine the features of subsidence (decrease) and the rate of subsidence....
The Influence of Thermokarst Subsidence on Peatland and the Role of Climatic Change within the Discontinuous Permafrost Zone in the Southern Mackenzie Valley
Principal Investigator: Spivey, Diane
Licensed Year(s): 1988
Summary: Diane Spivey is interested in knowing why there is less permafrost now in peatbogs. First, she will be mapping areas that have thawed and collapsed. Then, she will be looking and sampling vegetation to see if the vegetation has been disturbed so that it no longer insulates the permafrost as well. Last, she will look to see how well peat retains heat and acts as an insulator. She will use this i...
Licensed Year(s): 1988
Summary: Diane Spivey is interested in knowing why there is less permafrost now in peatbogs. First, she will be mapping areas that have thawed and collapsed. Then, she will be looking and sampling vegetation to see if the vegetation has been disturbed so that it no longer insulates the permafrost as well. Last, she will look to see how well peat retains heat and acts as an insulator. She will use this i...
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