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Usoltsev V. A., Chasovskikh V. P., Noritsina Yu. V., Noritsin D. V. Allometric Models of Tree Biomass for Airborne Laser Scanning and Ground Inventory of Carbon Pool in the Forests of Eurasia: Comparative Analysis

allometric equations, laser forest inventory, structure of tree phytomass, morphological indicators, forest carbon pool


How to cite: Usoltsev V. A.1, 2, Chasovskikh V. P.2, Noritsina Yu. V.1, Noritsin D. V.2 Allometric models of tree biomass for airborne laser scanning and ground inventory of carbon pool in the forests of Eurasia: Comparative analysis // Sibirskij Lesnoj Zurnal (Siberian Journal of Forest Science). 2016. N. 4: 6876 (in Russian with English abstract).

DOI: 10.15372/SJFS20160407

© Usoltsev V. A., Chasovskikh V. P., Noritsina Yu. V., Noritsin D. V., 2016

For the main tree species in North America, Europe and Japan, a number of thousands of allometric equations for single-tree biomass estimation using mostly tree height and stem diameter at breast height are designed that are intended for terrestrial forest mensuration. However, an innovative airborne laser method of the forest canopy sensing allows processing of on-line a number of morphological indices of trees, to combine them with the biomass allometric models and to evaluate the forest carbon pools. The database of 28 wood and shrub species containing 2.4 thousand definitions is compiled for the first time in the forests of Eurasia, and on its basis, the allometric transcontinental models of fractional structure of biomass of two types and dual use are developed. The first of them include as regressors the tree height and crown diameter and are intended for airborne laser location, while the latter have a traditional appointment for terrestrial forest biomass taxation using tree height and stem diameter. Those and others explain, in most cases, more than 90 % of tree biomass variability. Processing speed of laser location, incommensurable with the terrestrial mensuration, gives the possibility of assessing the change of carbon pool of forests on some territories during periodic overflights. The proposed information can be useful when implementing activities on climate stabilization, as well as in the validation of the simulation results when evaluating the carbon depositing capacity of forests.

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