Articles | Volume 9, issue 6
https://doi.org/10.5194/esurf-9-1481-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esurf-9-1481-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
29 Nov 2021
Research article |
| 29 Nov 2021
| 29 Nov 2021
A 4000-year debris flow record based on amphibious investigations of fan delta activity in Plansee (Austria, Eastern Alps)
Chair of Landslide Research, Technical University of Munich, Arcisstraße 21, 80333 Munich, Germany
Patrick Oswald
Department of Geology, University of Innsbruck, Innrain 52f, 6020 Innsbruck, Austria
Jasper Moernaut
Department of Geology, University of Innsbruck, Innrain 52f, 6020 Innsbruck, Austria
Stefano Claudio Fabbri
Institute of Geological Sciences, University of Bern, Baltzerstrasse 1 + 3, 3012 Bern, Switzerland
Oeschger Centre for Climate Change Research, University of Bern, Hochschulstrasse 4, 3012 Bern, Switzerland
Christoph Mayr
Institute of Geography, Friedrich–Alexander University Erlangen-Nuremberg, Glückstraße 5, 91054 Erlangen, Germany
Michael Strasser
Department of Geology, University of Innsbruck, Innrain 52f, 6020 Innsbruck, Austria
Michael Krautblatter
Chair of Landslide Research, Technical University of Munich, Arcisstraße 21, 80333 Munich, Germany
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Short summary
This study provides amphibious investigations of debris flow fans (DFFs). We characterize active DFFs, combining laser scan and sonar surveys at Plansee. We discover a 4000-year debris flow record in sediment cores, providing evidence for a 7-fold debris flow frequency increase in the 20th and 21st centuries, coincident with 2-fold enhanced rainstorm activity in the northern European Alps. Our results indicate climate change as being the main factor controlling debris flow activity.
This study provides amphibious investigations of debris flow fans (DFFs). We characterize active...
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