Estimation of above ground forest biomass from airborne discrete return laser scanner data using canopy-based quantile estimators
- 1 December 2004
- journal article
- research article
- Published by Informa UK Limited in Scandinavian Journal of Forest Research
- Vol. 19 (6), 558-570
- https://doi.org/10.1080/02827580410019490
Abstract
A conceptual model describing why laser height metrics derived from airborne discrete return laser scanner data are highly correlated with above ground biomass is proposed. Following from this conceptual model, the concept of canopy-based quantile estimators of above ground forest biomass is introduced and applied to an uneven-aged, mature to overmature, tolerant hardwood forest. Results from using the 0th, 25th, 50th, 75th and 100th percentiles of the distributions of laser canopy heights to estimate above ground biomass are reported. A comparison of the five models for each dependent variable group did not reveal any overt differences between models with respect to their predictive capabilities. The coefficient of determination (r 2 ) for each model is greater than 0.80 and any two models may differ at most by up to 9%. Differences in root-mean-square error (RMSE) between models for above ground total, stem wood, stem bark, live branch and foliage biomass were 8.1, 5.1, 2.9, 2.1 and 1.1 Mg ha−1, respectively.Keywords
This publication has 26 references indexed in Scilit:
- Measuring biomass and carbon in delaware using an airborne profiling LIDARScandinavian Journal of Forest Research, 2004
- Above‐ground biomass estimation in closed canopy Neotropical forests using lidar remote sensing: factors affecting the generality of relationshipsGlobal Ecology and Biogeography, 2003
- Sensitivity of large-footprint lidar to canopy structure and biomass in a neotropical rainforestRemote Sensing of Environment, 2002
- Deriving DSMs from LiDAR data with krigingInternational Journal of Remote Sensing, 2002
- Estimation of tropical forest structural characteristics using large-footprint lidarRemote Sensing of Environment, 2001
- Laser altimeter canopy height profiles: methods and validation for closed-canopy, broadleaf forestsRemote Sensing of Environment, 2001
- Use of Large-Footprint Scanning Airborne Lidar To Estimate Forest Stand Characteristics in the Western Cascades of OregonRemote Sensing of Environment, 1999
- Separating the ground and airborne laser sampling phases to estimate tropical forest basal area, volume, and biomassRemote Sensing of Environment, 1997
- Modeling forest canopy heights: The effects of canopy shapeRemote Sensing of Environment, 1997
- Organic matter and mineral distribution in an old-growth Acersaccharum forest near the northern limit of its rangeCanadian Journal of Forest Research, 1990