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Remote Sens. 2014, 6(5), 3906-3922; doi:10.3390/rs6053906
Article

Change Detection of Tree Biomass with Terrestrial Laser Scanning and Quantitative Structure Modelling

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Received: 29 January 2014 / Revised: 21 March 2014 / Accepted: 9 April 2014 / Published: 30 April 2014
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Abstract

We present a new application of terrestrial laser scanning and mathematical modelling for the quantitative change detection of tree biomass, volume, and structure. We investigate the feasibility of the approach with two case studies on trees, assess the accuracy with laboratory reference measurements, and identify the main sources of error, and the ways to mitigate their effect on the results. We show that the changes in the tree branching structure can be reproduced with about ±10% accuracy. As the current biomass detection is based on destructive sampling, and the change detection is based on empirical models, our approach provides a non-destructive tool for monitoring important forest characteristics without laborious biomass sampling. The efficiency of the approach enables the repeating of these measurements over time for a large number of samples, providing a fast and effective means for monitoring forest growth, mortality, and biomass in 3D.
Keywords: terrestrial laser scanning; automatic tree modelling; forest monitoring; branch size distribution; change detection terrestrial laser scanning; automatic tree modelling; forest monitoring; branch size distribution; change detection
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Kaasalainen, S.; Krooks, A.; Liski, J.; Raumonen, P.; Kaartinen, H.; Kaasalainen, M.; Puttonen, E.; Anttila, K.; Mäkipää, R. Change Detection of Tree Biomass with Terrestrial Laser Scanning and Quantitative Structure Modelling. Remote Sens. 2014, 6, 3906-3922.

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