Articles | Volume 5, issue 4
Earth Surf. Dynam., 5, 791–806, 2017

Special issue: 4-D reconstruction of earth surface processes: multi-temporal...

Earth Surf. Dynam., 5, 791–806, 2017
Research article
05 Dec 2017
Research article | 05 Dec 2017

Unravelling earth flow dynamics with 3-D time series derived from UAV-SfM models

François Clapuyt et al.

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Cited articles

Ayoub, F., Leprince, S., and Avouac, J.-P.: Co-registration and correlation of aerial photographs for ground deformation measurements, ISPRS J. Photogramm. Remote Sens., 64, 551–560,, 2009.
Bennett, G. L., Molnar, P., McArdell, B. W., Schlunegger, F., and Burlando, P.: Patterns and controls of sediment production, transfer and yield in the Illgraben, Geomorphology, 188, 68–82,, 2013.
Blasone, G., Cavalli, M., Marchi, L., and Cazorzi, F.: Monitoring sediment source areas in a debris-flow catchment using terrestrial laser scanning, Catena, 123, 23–36,, 2014.
Caduff, R., Schlunegger, F., Kos, A., and Wiesmann, A.: A review of terrestrial radar interferometry for measuring surface change in the geosciences, Earth Surf. Proc. Land., 40, 208–228,, 2015.
Carbonneau, P. E. and Dietrich, J. T.: Cost-effective non-metric photogrammetry from consumer-grade sUAS: implications for direct georeferencing of structure from motion photogrammetry, Earth Surf. Proc. Land., 42, 473–486,, 2017.
Short summary
This work aims at understanding the behaviour of an earth flow located in the Swiss Alps by reconstructing very accurately its topography over a 2-year period. Aerial photos taken from a drone, which are then processed using a computer vision algorithm, were used to derive the topographic datasets. Combination and careful interpretation of high-resolution topographic analyses reveal the internal mechanisms of the earthflow and its complex rotational structure, which is evolving over time.