Articles | Volume 23, issue 2
Research article
09 Feb 2023
Research article |  | 09 Feb 2023

Spatio-temporal analysis of slope-type debris flow activity in Horlachtal, Austria, based on orthophotos and lidar data since 1947

Jakob Rom, Florian Haas, Tobias Heckmann, Moritz Altmann, Fabian Fleischer, Camillo Ressl, Sarah Betz-Nutz, and Michael Becht

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Cited articles

Altmann, M., Piermattei, L., Haas, F., Heckmann, T., Fleischer, F., Rom, J., Betz-Nutz, S., Knoflach, B., Müller, S., Ramskogler, K., Pfeiffer, M., Hofmeister, F., Ressl, C., and Becht, M.: Long-Term Changes of Morphodynamics on Little Ice Age Lateral Moraines and the Resulting Sediment Transfer into Mountain Streams in the Upper Kauner Valley, Austria, Water, 12, 3375,, 2020. 
Anderson, S. W.: Uncertainty in quantitative analyses of topographic change: error propagation and the role of thresholding, Earth Surf. Proc. Land., 44, 1015–1033,, 2019. 
Bakker, M. and Lane, S. N.: Archival photogrammetric analysis of river-floodplain systems using Structure from Motion (SfM) methods, Earth Surf. Proc. Land., 42, 1274–1286,, 2017. 
Bates, D. M. and Watts, D. G. (Eds.): Nonlinear Regression Analysis and Its Applications, Wiley Series in Probability and Statistics, John Wiley & Sons, Inc, Hoboken, NJ, USA,, 1988. 
Baty, F., Ritz, C., Charles, S., Brutsche, M., Flandrois, J.-P., and Delignette-Muller, M.-L.: A Toolbox for Nonlinear Regression in R The Package nlstools, J. Stat. Soft., 66, 1–21,, 2015. 
Short summary
In this study, an area-wide slope-type debris flow record has been established for Horlachtal, Austria, since 1947 based on historical and recent remote sensing data. Spatial and temporal analyses show variations in debris flow activity in space and time in a high-alpine region. The results can contribute to a better understanding of past slope-type debris flow dynamics in the context of extreme precipitation events and their possible future development.
Final-revised paper