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Climate Change Impacts on High Alpine Infrastructures: An Example from the Kitzsteinhorn (3200 m), Salzburg, Austria

  • Giorgio Höfer-ÖllingerEmail author
  • Markus Keuschnig
  • Michael Krautblatter
  • Andreas Schober
Conference paper

Abstract

Numerous rock fall events in the European Alps suggest an increasing occurrence of mass movements due to rising temperatures. In recent years particularly during extensive hot periods large numbers of rock fall events have been reported (e.g. hot summers of 2003, 2005 and 2012). Governed by climate change two major changes can be observed at the summit region of the Kitzsteinhorn, Austria: Intensive glacier retreat and changes of permafrost conditions. The combination of these two major changes leads to an increasing exposure of potentially hazardous areas and higher risks for man and infrastructure. Close to the summit, infrastructure was built in the 1960s, including a cable car station at 3029 m on a north exposed rock face w under permafrost conditions. Due to the decreasing surface area of the glacier and the deepening of the annual active layer, meter thick slabs of the slope became unstable and started sliding down slope parallel to bedding planes. In order to avoid a continuous and deep-reaching destabilization of the entire slope, an intensive rehabilitation program has been established. This program consists of short-, mid- and long-term measures with technical installations (drainage, rock support, etc.) and an intensive monitoring program (including laser scanning, continuous geophysical, geotechnical and temperature monitoring).

Keywords

Permafrost Climate change Slope stability Slope destabilization Cable car 

References

  1. Hartmeyer I, Keuschnig M, Schrott L (2012) Long-term monitoring of permafrost-affected rock faces—a scale-oriented approach for the investigation of ground thermal conditions in alpine terrain, Kitzsteinhorn, Austria. Austrian J Earth Sci 105/2:128–139Google Scholar
  2. Keuschnig M, Hartmeyer I, Otto J, Schrott L (2012) A new permafrost and mass movement monitoring test site in the Eastern Alps—concept and first results of the MOREXPERT project. Managing alpine future II—inspire and drive sustainable mountain regions. In: Proceedings of the Innsbruck conference, 21–23 Nov 2011. (= IGF-Forschungsberichte 4). Verlag der Österreichischen Akademie der Wissenschaften: WienGoogle Scholar
  3. Keuschnig M, Hartmeyer I, Höfer-Öllinger G, Schober A, Krautblatter M, Schrott L (2014) Permafrost-related mass movements: implications from a rock slide at the Kitzsteinhorn, Austria.In: IAEG XII Congress, Torino (2014, same conference)Google Scholar

Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Giorgio Höfer-Öllinger
    • 1
    Email author
  • Markus Keuschnig
    • 2
    • 3
    • 4
  • Michael Krautblatter
    • 3
  • Andreas Schober
    • 1
  1. 1.GEOCONSULT ZT GmbHWals/SalzburgAustria
  2. 2.alpS – Centre for Climate Change AdaptationInnsbruckAustria
  3. 3.Technical University of MunichMunichGermany
  4. 4.University of SalzburgSalzburgAustria

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