Articles | Volume 20, issue 9
https://doi.org/10.5194/tc-20-5157-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-20-5157-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
14 Sep 2026
Research article |
| 14 Sep 2026
| 14 Sep 2026
On thin glacial ice: New Austrian Glacier Inventory shows accelerating glacier shrinkage and 31 % area loss within two decades
Institute for Interdisciplinary Mountain Research, Austrian Academy of Sciences, 6020 Innsbruck, Austria
Jakob Abermann
Department of Geography and Regional Science, University of Graz, 8010 Graz, Austria
Ayla Akgün
Institute for Interdisciplinary Mountain Research, Austrian Academy of Sciences, 6020 Innsbruck, Austria
Giulia Bertolotti
Institute for Interdisciplinary Mountain Research, Austrian Academy of Sciences, 6020 Innsbruck, Austria
Tobias Bolch
Institute of Geodesy, Graz University of Technology, 8010 Graz, Austria
Svenja Conzelmann
Institute for Interdisciplinary Mountain Research, Austrian Academy of Sciences, 6020 Innsbruck, Austria
Codrut-Andrei Diaconu
Chair of Remote Sensing Technology, Technical University of Munich, 80333 Munich, Germany
Iris Hansche
Department of Geography and Regional Science, University of Graz, 8010 Graz, Austria
Anne Hartig
Institute for Interdisciplinary Mountain Research, Austrian Academy of Sciences, 6020 Innsbruck, Austria
Anna Haut
Department of Environment and Biodiversity, University of Salzburg, 5020 Salzburg, Austria
Kay Helfricht
Hydrographic Service Tyrol, Office of the Tyrolean Government, 6020 Innsbruck, Austria
Bernhard Hynek
Department Climate Impact Research, Geosphere Austria, 1190 Vienna, Austria
Marie Sophie Kaucher
Institute for Interdisciplinary Mountain Research, Austrian Academy of Sciences, 6020 Innsbruck, Austria
Andreas Kellerer-Pirklbauer
Department of Geography and Regional Science, University of Graz, 8010 Graz, Austria
Ann Christin Kogel
Department of Atmospheric and Cryospheric Sciences, University of Innsbruck, 6020 Innsbruck, Austria
Julie Krippes
Department of Environment and Biodiversity, University of Salzburg, 5020 Salzburg, Austria
Marcela Violeta Lauria
Institute for Interdisciplinary Mountain Research, Austrian Academy of Sciences, 6020 Innsbruck, Austria
Christoph Mayer
Geodesy and Glaciology, Bavarian Academy of Sciences and Humanities, 80539 Munich, Germany
Jan-Christoph Otto
Department of Environment and Biodiversity, University of Salzburg, 5020 Salzburg, Austria
Rainer Prinz
Department of Atmospheric and Cryospheric Sciences, University of Innsbruck, 6020 Innsbruck, Austria
Sina Prölß
Hochgebirgsnaturpark Zillertaler Alpen, 6295 Ginzling, Austria
Lorenzo Rieg
University of Innsbruck, 6020 Innsbruck, Austria
Lea Schönleber
Institute for Interdisciplinary Mountain Research, Austrian Academy of Sciences, 6020 Innsbruck, Austria
Gabriele Schwaizer
ENVEO-Environmental Earth Observation IT GmbH, 6020 Innsbruck, Austria
Bernd Seiser
Institute for Interdisciplinary Mountain Research, Austrian Academy of Sciences, 6020 Innsbruck, Austria
Martin Stocker-Waldhuber
Institute for Interdisciplinary Mountain Research, Austrian Academy of Sciences, 6020 Innsbruck, Austria
Markus Strudl
Independent researcher, 6460 Imst, Austria
Martin Verhounik
Institute of Geodesy, Graz University of Technology, 8010 Graz, Austria
Harald Zandler
Department of Geography and Regional Science, University of Graz, 8010 Graz, Austria
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Cited
Latest update: 16 Sep 2026
Short summary
We mapped glacier outlines in Austria using recent, high resolution imagery. The resulting glacier inventory provides an update on glacier area in Austria in 2021-2023. More than 30% of glacier area was lost and 95 glaciers have disappeared since the mid-2000s. Glacier recession is accelerating and regular updates to glacier inventories are needed to understand downstream changes to the hydrological system, quantify glacier mass loss, and support planning and adaptation measures.
We mapped glacier outlines in Austria using recent, high resolution imagery. The resulting...
