Articles | Volume 11, issue 2
Research article
23 Mar 2023
Research article |  | 23 Mar 2023

Development of the morphodynamics on Little Ice Age lateral moraines in 10 glacier forefields of the Eastern Alps since the 1950s

Sarah Betz-Nutz, Tobias Heckmann, Florian Haas, and Michael Becht


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Short summary
The geomorphic activity of LIA lateral moraines is of high interest due to its implications for the sediment fluxes and hazards within proglacial areas. We derived multitemporal models from historical aerial images and recent drone images to investigate the morphodynamics on moraine slopes over time. We found that the highest erosion rates occur on the steepest moraine slopes, which stay active for decades, and that the slope angle explains morphodynamics better than the time since deglaciation.