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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 10, issue 4
Nat. Hazards Earth Syst. Sci., 10, 881–894, 2010
https://doi.org/10.5194/nhess-10-881-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Flood hazard and risk assessment and management in the Alpine...

Nat. Hazards Earth Syst. Sci., 10, 881–894, 2010
https://doi.org/10.5194/nhess-10-881-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.

  22 Apr 2010

22 Apr 2010

Estimation of an absolute flood damage curve based on an Austrian case study under a dam breach scenario

F. Prettenthaler1,2, P. Amrusch1, and C. Habsburg-Lothringen1 F. Prettenthaler et al.
  • 1Joanneum Research, Institute of Technology and Regional Policy, Elisabethstraße 20, 8010 Graz, Austria
  • 2Wegener Center for Climate and Global Change, University of Graz, Leechgasse 25, 8010 Graz, Austria

Abstract. To date, in Austria no empirical assessment of absolute damage curves has been realized on the basis of detailed information on flooded buildings due to a dam breach, presumably because of the lack of data. This paper tries to fill this gap by estimating an absolute flood-damage curve, based on data of a recent flood event in Austria in 2006. First, a concise analysis of the case study area is conducted, i.e., the maximum damage potential is identified by using raster-based GIS. Thereafter, previous literature findings on existing flood-damage functions are considered in order to determine a volume-water damage function that can be used for further flood damage assessment. Finally, the flood damage function is cross validated and applied in prediction of damage potential in the study area. For future development of the estimated flood damage curve, and to aid more general use, we propose verification against field data on damage caused by natural waves in rivers.

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