Empirical Relationship

Fuel type

l_f (m)

Range in I_B

(kW∙m⁻¹)

Burrows (Burrows, 1994)

Eucalypt forest

37 - 4368

Butler et al. (Butler et al., 2004)

Jack pine forest

-

Byram (Byram, 1959)

Pine litter

56 - 2232

Catchpole et al. (Catchpole et al., 1998)

Shrublands

100 - 77,000

Clark (Clark, 1983)

Grassland

65 - 12,602

Fernandes et al. (Fernandes et al., 2009)

Maritime pine forest

30 - 3527

Fernandes et al. (Fernandes et al., 2000)

Shrublands

12 - 7605

Nelson (Nelson Jr., 1980)

Southern USA fuel

5 - 3320

Nelson and Adkins (Nelson Jr. & Adkins, 1986)

Litter and shrubs

98 - 2755

Van Wilgen (van Wilgen et al., 1985)

Fynbosshrublands

194 - 5993

Vega et al. (Vega et al., 1998)

Shrublands

294 - 6905