“Accounting for the effects of fire suppression and containment efforts has posed a challenge in wildfire modeling. Fire suppression is a complex phenomenon depending on factors such as resource availability, weather, terrain, and fire suppression priorities in a given place and time. Suppression is an influential factor in wildfire growth though, and should be considered in models. We developed a generalized model of fire containment by utilizing daily reports on size and percent containment of wildfires in the United States. We used this model to support wildfire risk analysis simulations in the Large Fire Simulation System (FSim). The suppression model determines the daily proportion of fire containment as a function of the proportion of the fire’s duration that has elapsed and a regression coefficient, or suppression factor. This suppression factor allows differing patterns of fire containment to be represented.”
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