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Water-Level Change in Boreal Lakes as an Indicator of Area Burned and Number of Ignitions in the Canadian Prairie Provinces.
DownloadSpring 2016
The relationship between water-level fluctuations of lakes and fire activity has never been elucidated in great detail. The majority of scientific research on wildfire-hydro-climate-vegetation dynamics examines patterns of traditional climatological variables such as temperature and precipitation...
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The influences of fuel moisture and diameter on pyrogenic carbon production in fine woody debris from three boreal tree species under simulated surface fire conditions.
DownloadSpring 2020
Wildland fires burn millions of hectares annually, releasing a significant amount of carbon into the atmosphere. Wildland fires also produce pyrogenic carbon – thermally-altered biomass that is highly resistant to decay – which accumulates in fire-affected ecosystems over time. Large wildfires,...
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Fall 2020
Fire and insect outbreaks are the two leading natural disturbance factors affecting Canadian forests. Over the last 20 years Mountain Pine Beetle (Dendroctonous ponderosae Hopkins) has killed more than 50 percent of western Canada’s merchantable lodgepole pine (Pinus contorta) forests and spread...
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Fall 2021
Wildfire management agencies are at a tipping point as wildfire disasters, particularly in western Canada increase in frequency. Climate change impacts, and competing values and assets on the landscape are challenging suppression effectiveness. Semi-structured interviews with Canadian wildfire...
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Fall 2013
Boreal peatlands are widely considered as an important carbon sink. Peat moisture is important for controlling carbon sequestration and smouldering combustion. Retrieving surface moisture is of great interest for carbon budget modelling and fire management in peatlands. To monitor at a large...
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Post-fire regeneration of endangered limber pine (Pinus flexilis) at the northern extent of its range
DownloadSpring 2019
Limber pine (Pinus flexilis), an ecologically important species of the montane and subalpine regions of western Canada and the United States, is endangered in Alberta. Limber pine is thought to regenerate following fire, due to its relationship with a bird, the Clark’s nutcracker (Nucifraga...
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Fall 2016
Although wildland fires are a beneficial ecosystem process, they can also cause destruction to human-built structures and infrastructure, as evidenced by disasters such as the Fort McMurray fire in 2016 and the Slave Lake fires in 2011. This type of destruction occurs in the “wildland-urban...
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Long Term Effects of Wildfire on Permafrost Stability and Carbon Cycling in Northern Peatlands
DownloadFall 2017
Changing fire dynamics and increasing global temperatures are causing changes to the fire regime and permafrost stability in the Arctic. Models have separately predicted the widespread thawing of permafrost and increasing magnitude and intensity of wildfires over the next century. However, while...
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Spring 2014
Lightning is widely acknowledged as a major cause of wildland fires in Canada. On average, 250,000 cloud-to-ground lightning strikes occur in Alberta every year. Lightning-caused wildland fires in remote areas have considerably larger suppression costs and a much greater chance of escaping...
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Increasing wildfire growth modelling decision support using ensemble weather forecasts over the province of Alberta, Canada
DownloadFall 2015
Across Alberta, wildfires ignite each fire season and a small number achieve a size greater than 100 hectares, which account for the vast majority of the area burned. These fires often require large suppression efforts that include wildfire growth simulation modelling in order to understand their...