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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 13, issue 6
Nat. Hazards Earth Syst. Sci., 13, 1469–1479, 2013
https://doi.org/10.5194/nhess-13-1469-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Forecast and projection in climate scenario of Mediterranean...

Nat. Hazards Earth Syst. Sci., 13, 1469–1479, 2013
https://doi.org/10.5194/nhess-13-1469-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 11 Jun 2013

Research article | 11 Jun 2013

Stakeholders' issues for action during the warning process and the interpretation of forecasts' uncertainties

L. Créton-Cazanave and C. Lutoff L. Créton-Cazanave and C. Lutoff
  • Université Grenoble 1, PACTE UMR 5194 (CNRS, IEPG, UJF, UPMF), Grenoble, 38041, France

Abstract. This article considers the socio-geographical approach carried out as part of the MedUp program. It presents a study of the ways that the French "actors" manage forecast uncertainties during a flash flood warning process. In order to better understand the role of forecasts' uncertainties in decision making, we focused on the actions people took and how what they say explains their actions. The practices of actors involved in warnings for the Vidourle watershed (Gard, France), in particular, are analyzed using a practice-based approach. A set of categories of the "actors" was developed based on their descriptions of the problems they faced during the flash flood warning, independent of their socio-professional status and position in the warning chain. Five actor profiles result from this: Translators, Managers, Committed, Navigators and Vulnerable. For each profile, specific action contexts are defined, determining how each deals with uncertainty.

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