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Type of publication: research article
Type of publication (PDB): Straipsnis kitose duomenų bazėse / Article in other databases (S4)
Field of Science: Miškotyra / Forestry (A004)
Author(s): Petrauskas, Edmundas;Rupšys, Petras;Bartkevičius, Edmundas
Title: Volume Modeling of Individual Trees Using Stochastic Differential Equations and Trivariate Copula
Is part of: Circuits, System and Simulation : Selected, peer reviewed papers from the 2011 International Conference on Circuits, System and Simulation (ICCSS2011), May 28-29, 2011, Bangkok, Thailand. Singapore: IACSIT Press, 2011
Extent: p. 258-263
Date: 2011
Keywords: Normal copula;Transition probability density;Diameter at breast height;Stem volume;Total height
ISBN: 978-981-08-8638-7
Abstract: A system of stochastic differential equations and trivariate copula density function were used to develop outside-bark stem volume model for Scots pine (Pinus Sylvestris) trees in Lithuania. After fitting the transition probability density functions to outside bark diameter at breast height, total tree height, and total stem volume, a trivariate normal copula distribution model was constructed. Predictions from the volume equation calculated during this research were compared to q-exponential volume equation. The results are implemented in the symbolic computational language MAPLE
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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