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Volume 17, issue 12 | Copyright

Special issue: The use of remotely piloted aircraft systems (RPAS) in monitoring...

Nat. Hazards Earth Syst. Sci., 17, 2143-2150, 2017
https://doi.org/10.5194/nhess-17-2143-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Brief communication 04 Dec 2017

Brief communication | 04 Dec 2017

Brief communication: Landslide motion from cross correlation of UAV-derived morphological attributes

Maria V. Peppa1, Jon P. Mills1, Phil Moore1, Pauline E. Miller2, and Jonathan E. Chambers3 Maria V. Peppa et al.
  • 1School of Engineering, Newcastle University, Newcastle upon Tyne, UK
  • 2The James Hutton Institute, Aberdeen, UK
  • 3British Geological Survey, Keyworth Nottingham, UK

Abstract. Unmanned aerial vehicles (UAVs) can provide observations of high spatio-temporal resolution to enable operational landslide monitoring. In this research, the construction of digital elevation models (DEMs) and orthomosaics from UAV imagery is achieved using structure-from-motion (SfM) photogrammetric procedures. The study examines the additional value that the morphological attribute of openness, amongst others, can provide to surface deformation analysis. Image-cross-correlation functions and DEM subtraction techniques are applied to the SfM outputs. Through the proposed integrated analysis, the automated quantification of a landslide's motion over time is demonstrated, with implications for the wider interpretation of landslide kinematics via UAV surveys.

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Unmanned aerial vehicles can provide digital elevation models and orthomosaics of high spatio-temporal resolution to enable landslide monitoring. The study examines the additional value that morphological attribute of openness can provide to surface deformation combining with image-cross-correlation functions alongside DEM differencing. The paper demonstrates the automated quantification of a landslide's motion over time with implications for the wider interpretation of landslide kinematics.
Unmanned aerial vehicles can provide digital elevation models and orthomosaics of high...
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