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University of Alberta

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Fire Regionalization

The fire regionalization is a multivariate spatial characterization of boreal fire regimes. It provides empirical estimates of fire regime parameters at a national scale that can be used to parameterize simulation models and aids in the design of conservation networks by understanding the disturbance regime, one aspect of which is how big are the large fires likely to be.

 
  Fig 2. Fire Regions - 5
 
   Fig 3. Fire Regions - 10

The fire regionalization is based on the behaviour of fire reflected in the Canadian Large Fire Database (CLFD).The CLFD was compiled by the Canadian Forest Service and consists of point locations for every recorded fire larger than 200 ha between 1959 and 1999.  Fire attributes in the CLFD are size, date, location and cause (lightning, human, or unknown). Only lightning fires were considered in this analysis. We estimated fire regime parameters of frequency, size and seasonality over a national spatial grid of 10,000 km2 hexagons. From the basic fire regime parameters, we also derived the expected fire size, estimated annual burn rate, and estimated maximum fire size (EMFS)for each cell. We use the EMFS to inform benchmark size. Finally, we used the estimated parameters to develop a multivariate regionalisation of Canadian fire regimes based on 5 and 10 regions (Fig 2 and 3).

This dataset is not yet publically available.

 

 
 
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