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Soliday, B.
2018 Long-Term Stewardship Conference, August 20-23, Grand Junction, Colorado. 21 slides, 2018

Although manned aircraft were once required for aerial LiDAR (Light Detection and Ranging) surveys, advances in LiDAR technology have resulted in smaller units that can be carried by mid-sized unmanned aircraft systems (UASs). DOE's Office of Legacy Management is implementing UAS surveys as an additional tool for augmenting long-term surveillance and maintenance activities. UASs can be used for quantitative documentation of existing site conditions with high resolution and accuracy, and subsequent UAS surveys allow detection of changes in site conditions, such as erosion or settlement. To evaluate the accuracy and precision of UAS surveys, two different UAS platforms and three different sensors were deployed at a 500-acre disposal cell site. The UAS data were processed to create 3D data points and digital surfaces, which then were compared to land-based GPS survey data. Preliminary results indicate that UAS have the potential to provide significant benefits in terms of cost, data quality, and human health and safety. https://www.energy.gov/sites/prod/files/2018/10/f57/Soliday-Unmanned-LIDAR-Legacy-Mgmt_0.pdf

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