Near-Complete Sampling of Forest Structure from High-Density Drone Lidar Demonstrated by Ray Tracing
Dafeng Zhang,
Kamil Král,
Martin Krůček
et al.
Abstract:Drone lidar has the potential to provide detailed measurements of vertical forest structure throughout large areas, but a systematic evaluation of unsampled forest structure in comparison to independent reference data has not been performed. Here, we used ray tracing on a high-resolution voxel grid to quantify sampling variation in a temperate mountain forest in the southwest Czech Republic. We decoupled the impact of pulse density and scan-angle range on the likelihood of generating a return using spatially a… Show more
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