Depth of Burn
'Depth of burn represents the degree of reduction in organic layer thickness due to consumption by the fire process which in turn determines postfire organic-layer depth and percentage of mineral soil exposure.' (Alexander 1982, p.355)
Depth of burn measurments can be used to determine duff consumption measured in kg/m 2. McRae et al. 1979 outline procedures for pre-burn measurement of duff depth and loading (p.24) and post-burn depth of burn measurement (p. 32) to determine overall duff consumption.
McRae,D.J.; Alexander,M.E.; and Stocks,B.J. 1979. Measurement and description of fuels and fire behavior on prescribed burns: A handbook. Can. For. Serv. Rep. O-X-287, Great Lakes For. Res. Cent., 56 pp.
Van Wagner, C.E. 1972. Heat of combustion, heat yield and fire behaviour. Can. For. Serv. Inf. Rep. PS-X-35.
Brown, James K.; Marsden, Michael A.; Ryan, Kevin C., and Reinhardt, Elizabeth D. 1985 Predicting duff and woody fuel consumed by prescribed fire in the northern Rocky Mountains. Ogden, Utah : U.S. Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station; 1985; Research Paper INT-337. 23 p.
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