Articles | Volume 21, issue 5
https://doi.org/10.5194/nhess-21-1615-2021
© 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/nhess-21-1615-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
27 May 2021
Research article |
| 27 May 2021
| 27 May 2021
Controls on the formation and size of potential landslide dams and dammed lakes in the Austrian Alps
Anne-Laure Argentin
CORRESPONDING AUTHOR
Department of Geography and Geology, University of Salzburg, 5020 Salzburg, Austria
Jörg Robl
Department of Geography and Geology, University of Salzburg, 5020 Salzburg, Austria
Günther Prasicek
Department of Geography and Geology, University of Salzburg, 5020 Salzburg, Austria
Interdisciplinary Centre for Mountain Research, University of Lausanne, 1967 Bramois, Switzerland
Stefan Hergarten
Institute of Earth and Environmental Sciences, University of Freiburg, 79104 Freiburg, Germany
Daniel Hölbling
Department of Geoinformatics – Z_GIS, University of Salzburg, 5020 Salzburg, Austria
Lorena Abad
Department of Geoinformatics – Z_GIS, University of Salzburg, 5020 Salzburg, Austria
Zahra Dabiri
Department of Geoinformatics – Z_GIS, University of Salzburg, 5020 Salzburg, Austria
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Short summary
This study relies on topography to simulate the origin and displacement of potentially river-blocking landslides. It highlights a continuous range of simulated landslide dams that go unnoticed in the field due to their small scale. The computation results show that landslide-dammed lake volume can be estimated from upstream drainage area and landslide volume, thus enabling an efficient hazard assessment of possible landslide-dammed lake volume – and flooding magnitude in case of dam failure.
This study relies on topography to simulate the origin and displacement of potentially...
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