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Advances in Geosciences An open-access journal for refereed proceedings and special publications
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Volume 17
Adv. Geosci., 17, 63–70, 2008
https://doi.org/10.5194/adgeo-17-63-2008
© Author(s) 2008. This work is distributed under
the Creative Commons Attribution 3.0 License.
Adv. Geosci., 17, 63–70, 2008
https://doi.org/10.5194/adgeo-17-63-2008
© Author(s) 2008. This work is distributed under
the Creative Commons Attribution 3.0 License.

  29 Jul 2008

29 Jul 2008

Flash-floods in Catalonia: the social perception in a context of changing vulnerability

M. C. Llasat1, L. López2, M. Barnolas1, and M. Llasat-Botija1 M. C. Llasat et al.
  • 1Meteorological Hazards Analysis Team (GAMA), Department of Astronomy and Meteorology, University of Barcelona, 08028 Barcelona, Spain
  • 2Laboratory for Atmospheric Physics, University of León, León, Spain

Abstract. In assessing a flood event two risk components need to be considered: the intrinsic hazard of the hydrometeorological event causing the flood and the vulnerability of the area where the precipitation has been registered. In the present study four flood events selected by the FLASH European project have been classified according to the characteristics of the meteorological event (classification according to hazard) and according to the physical and economic damages caused (classification according to vulnerability). The social impact of these events is analysed taking into account the growth of the population. An increase in the number of extraordinary flash-floods was detected in the areas with a major growth of the population, as a consequence of an increased vulnerability of these areas, both from a physical perspective (exposure of infrastructures) and from an economic perspective (more goods exposed). In addition, the numerous non-native inhabitants of the region are not aware of the meteorological risks characteristic of the area, and this contributes to increased social vulnerability.

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