Please use this identifier to cite or link to this item: http://hdl.handle.net/2067/2099
Title: Area-based lidar-assisted estimation of forest standing volume
Authors: Corona, Piermaria
Fattorini, Lorenzo
Keywords: Airborne laser scanner tecnology;Forest standing volume
Issue Date: 2008
Publisher: NRC Research Press
Source: Corona, P., Fattorini, L. 2008. Area-based lidar-assisted estimation of forest standing volume. "Canadian Journal of Forest Research" 38: 2911–2916.
Abstract: 
Airborne laser scanning (lidar) technology is increasingly being applied in forest ecosystem surveys. This research note proposes a design-based approach for the lidar-assisted estimation of forest standing volume when ground surveys are performed by means of fixed-area plots. The lidar measurement of the height of the upper canopy (digital crown model) is performed for the whole study area, and the resulting pixel heights are adopted as auxiliary information to couple with the standing volume acquired on the ground by means of sample plots. The ratio estimator for the total volume of the forest is derived in a complete design-based framework together with an unbiased estimator of its sampling variance and the corresponding confidence interval. The proposed procedure has been tested in Bosco della Fontana, a lowland forest in Northern Italy, obtaining a 95% confidence interval for the total volume, which is approximately 2/3 smaller than that obtained by solely using information arising from field plots.
Description: 
L'articolo è disponibile sul sito dell'editore www.nrcresearchpress.com
URI: http://hdl.handle.net/2067/2099
ISSN: 0045-5067
DOI: 10.1139/X08-122
Appears in Collections:DiSAFRi - Archivio della produzione scientifica

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