Fireline intensity [Byram's fire intensity, Frontal fire intensity]n. The rate of energy or heat release per unit length of fire front, regardless of its depth (Byram 1959).
Fireline intensity is synonymous with the terms “Byram's fire intensity” (Byram 1959) and “frontal fire intensity.” It is the numerical product of a fire's rate of spread, fuel consumption, and heat yield at a given point on a fire’s perimeter. Reaction intensity and total fire flux are examples of other measures of fire intensity.
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