Canopy base height estimation using airborne laser scanning (LiDAR) data
DOI:
https://doi.org/10.20873/jbb.uft.cemaf.v3n3.giongoKeywords:
LIDAR, precision forest inventory, forest fireAbstract
Lately, data acquisition using Airborne Laser Scanning (ALS) with LiDAR technology (Light Detection and Ranging) is becoming promising in the forest field, especially for estimation of dendrometric variables and to evaluate vertical and horizontal structure of the forest. Topographic and forest coverage information are extremely important to forest and natural resources managers. Accurate information on trees height and density are fundamental for planning, but also hard to obtain by conventional methods. The use of modeling associated with LIDAR data allows the researcher to obtain estimates of several other forest variables, such as basal area, diameter, volume, biomass and combustible material. The estimation of the trees base heights with plots of different sizes (10, 15 and 20 meters) showed an standard error of 1.42, 0.95 and 0.82 m, which correspond to 23.62, 15.70 and 13.84%, respectively.
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