Canadian Forest Service Publications

Three-dimensional analysis of forest structure and terrain using LIDAR technology. 2000. Wulder, M.A.; St-Onge, B.A.; Treitz, P. Second Annual Geomatics for Informed Decisions (GEOIDE) Conference Calgary 2000, From Ideas to Innovation – Geomatics for a New Millennium, May 23-26, 2000, Calgary, AB. The GEOIDE Network, Laval University, Quebec, QC.

Year: 2000

Issued by: Pacific Forestry Centre

Catalog ID: 5520

Language: English

Availability: Order paper copy (free), PDF (download)

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Abstract

Light Detection and Ranging (LIDAR) provides remotely sensed information on the vertical structure of forests that is very difficult to obtain either by optical or radar remote sensing techniques. Indeed, forest attributes such as tree height and biomass may be quantified more directly with LIDAR than with other remote sensing means. Recent developments in scanning laser altimetry and small footprint LIDAR systems can provide a very detailed picture of the forest canopy for management purposes or ecological studies.

This new GEOIDE research project (RES #50 2 ) focuses on the evaluation of algorithms for estimating forest structural and biophysical variables as well as terrain characteristics. The project is organised into three research thrusts, each driven by specific application areas: measuring forest structural and biophysical variables, forest topography, and simulation of space-borne LIDAR data from airborne LIDAR. Here we present the objectives of our GEOIDE project and summarise selected results related to tree height estimation in previous studies undertaken by project team members.