Examining Changes in Stem Taper and Volume Growth with Two-Date 3D Point Clouds

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dc.contributor.author Luoma, Ville
dc.contributor.author Saarinen, Ninni
dc.contributor.author Kankare, Ville
dc.contributor.author Tanhuanpaa, Topi
dc.contributor.author Kaartinen, Harri
dc.contributor.author Kukko, Antero
dc.contributor.author Holopainen, Markus
dc.contributor.author Hyyppa, Juha
dc.contributor.author Vastaranta, Mikko
dc.date.accessioned 2019-08-23T07:48:01Z
dc.date.available 2019-08-23T07:48:01Z
dc.date.issued 2019-05
dc.identifier.citation Luoma , V , Saarinen , N , Kankare , V , Tanhuanpaa , T , Kaartinen , H , Kukko , A , Holopainen , M , Hyyppa , J & Vastaranta , M 2019 , ' Examining Changes in Stem Taper and Volume Growth with Two-Date 3D Point Clouds ' , Forests , vol. 10 , no. 5 , 382 . https://doi.org/10.3390/f10050382
dc.identifier.other PURE: 126284555
dc.identifier.other PURE UUID: 64f7413a-1d5f-4982-9b41-7643b15aca07
dc.identifier.other WOS: 000478814700021
dc.identifier.other ORCID: /0000-0003-2730-8892/work/60866786
dc.identifier.other ORCID: /0000-0002-9036-8591/work/60866801
dc.identifier.other ORCID: /0000-0001-6552-9122/work/60867215
dc.identifier.uri http://hdl.handle.net/10138/304854
dc.description.abstract Exact knowledge over tree growth is valuable information for decision makers when considering the purposes of sustainable forest management and planning or optimizing the use of timber, for example. Terrestrial laser scanning (TLS) can be used for measuring tree and forest attributes in very high detail. The study aims at characterizing changes in individual tree attributes (e.g., stem volume growth and taper) during a nine year-long study period in boreal forest conditions. TLS-based three-dimensional (3D) point cloud data were used for identifying and quantifying these changes. The results showed that observing changes in stem volume was possible from TLS point cloud data collected at two different time points. The average volume growth of sample trees was 0.226 m(3) during the study period, and the mean relative change in stem volume was 65.0%. In addition, the results of a pairwise Student's t-test gave strong support (p-value 0.0001) that the used method was able to detect tree growth within the nine-year period between 2008-2017. The findings of this study allow the further development of enhanced methods for TLS-based single tree and forest growth modeling and estimation, which can thus improve the accuracy of forest inventories and offer better tools for future decision-making processes. en
dc.format.extent 14
dc.language.iso eng
dc.relation.ispartof Forests
dc.rights cc_by
dc.rights.uri info:eu-repo/semantics/openAccess
dc.subject 4112 Forestry
dc.subject tree stem volume
dc.subject tree growth
dc.subject terrestrial laser scanning
dc.subject ground-based LiDAR
dc.subject forest inventory
dc.subject stem taper
dc.subject TREE GROWTH
dc.subject DIAMETER ESTIMATION
dc.subject BIOMASS EQUATIONS
dc.subject TERRESTRIAL
dc.subject CLIMATE
dc.subject COMPETITION
dc.subject ACCURACY
dc.subject AIRBORNE
dc.subject HEIGHT
dc.subject PINE
dc.title Examining Changes in Stem Taper and Volume Growth with Two-Date 3D Point Clouds en
dc.type Article
dc.contributor.organization Laboratory of Forest Resources Management and Geo-information Science
dc.contributor.organization Department of Forest Sciences
dc.contributor.organization Forest Health Group
dc.contributor.organization Forest Ecology and Management
dc.description.reviewstatus Peer reviewed
dc.relation.doi https://doi.org/10.3390/f10050382
dc.relation.issn 1999-4907
dc.rights.accesslevel openAccess
dc.type.version publishedVersion

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