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Author(s):
Elizabeth D. Reinhardt, Joe H. Scott, Kathy L. Gray, Robert E. Keane
Year Published:

Cataloging Information

Topic(s):
Fuels
Fuel Descriptions
Ecosystem(s):
Montane wet mixed-conifer forest, Montane dry mixed-conifer forest, Ponderosa pine woodland/savanna

NRFSN number: 8128
FRAMES RCS number: 4979
Record updated:

Assessment of crown fire potential requires quantification of canopy fuels. In this study, canopy fuels were measured destructively on plots in five Interior West conifer stands. Observed canopy bulk density, canopy fuel load, and vertical profiles of canopy fuels are compared with those estimated from stand data using several computational techniques. An allometric approach to estimating these canopy fuel characteristics was useful, but, for accuracy, estimates of vertical biomass distribution and site-adjustment factors were required. Available crown fuel was estimated separately for each tree according to species, diameter, and crown class. The vertical distribution of this fuel was then modeled within each tree crown on the basis of tree height and crown base height. Summing across trees within the stand at every height yielded an estimated vertical profile of canopy fuel that approximated the observed distribution.

Citation

Reinhardt, Elizabeth D.; Scott, Joe H.; Gray, Kathy L.; Keane, Robert E. 2006. Estimating canopy fuel characteristics in five conifer stands in the western United States using tree and stand measurements. Canadian Journal of Forest Research. 36(11): 2803-2814.

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