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Accuracy of a high-resolution lidar terrain model under a conifer forest canopy
Open accessAbstract
Airborne laser scanning systems (commonly referred to as light detection and ranging or lidar systems) can provide terrain elevation data for open areas with a vertical accuracy of 15 cm. Accuracy in heavily forested areas has not been thoroughly tested. In this study, a high-resolution digital terrain model (DTM) was produced from high-density lidar data. Vegetation in the 500-ha mountainous study area varied from bare ground to dense 70-year-old conifer forest. Conventional ground survey methods were used to collect coordinates and near-ground vegetation heights at 347 ground checkpoints distributed under a range of canopy covers. These points were used to check the DTM accuracy. The mean DTM error was 0.22 ± 0.24 m (mean ± SD). DTM elevation errors for four tree canopy cover classes were: clearcut 0.16 ± 0.23 m, heavily thinned 0.18 ± 0.14 m, lightly thinned 0.18 ± 0.18 m, and uncut 0.31 ± 0.29 m. These DTM errors show a slight increase with canopy density but the differences are strikingly small. In general, the lidar DTM was found to be extremely accurate and potentially very useful in forestry.
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Cited by
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Andersen, H.-E., McGaughey, R. J., & Reutebuch, S. E. (2005) · Remote Sensing of Environment · doi:10.1016/j.rse.2004.10.013 · Cited by 579
Self-citationQuantifying understory vegetation density using small-footprint airborne lidar
Campbell, M. J., Dennison, P. E., Hudak, A. T., Parham, L. M., & Butler, B. W. (2018) · Remote Sensing of Environment · doi:10.1016/j.rse.2018.06.023 · Cited by 126
Hamraz, H., Contreras, M. A., & Zhang, J. (2017) · Scientific Reports · doi:10.1038/s41598-017-07200-0 · Cited by 97
Sensitivity of DEM, Slope, Aspect and Watershed Attributes to LiDAR Measurement Uncertainty
Goulden, T., Hopkinson, C., Jamieson, R., & Sterling, S. (2016) · Remote Sensing of Environment · doi:10.1016/j.rse.2016.03.005 · Cited by 51
Campbell, M. J., Dennison, P. E., & Butler, B. W. (2017) · International Journal of Wildland Fire · doi:10.1071/wf17031 · Cited by 42
Metadata
- Authors
- Reutebuch, S. E., McGaughey, R. J., Andersen, H.-E., & Carson, W. W.
- Venue
- Canadian Journal of Remote Sensing
- Publisher
- Informa UK Limited
- Published
- 2003-10
- Volume
- 29
- Issue
- 5
- Pages
- 527-535
- ISSN
- 0703-8992 (ISSN-L)
- 1712-7971
- OpenAlex
- W2097631297
- Cited by
- 382
- References
- 0
- FWCI
- 19.04
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Reutebuch, S. E., McGaughey, R. J., Andersen, H.-E., & Carson, W. W. (2003). Accuracy of a high-resolution lidar terrain model under a conifer forest canopy. Canadian Journal of Remote Sensing. https://doi.org/10.5589/m03-022
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
