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Geographica Helvetica
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Volume 70, issue 4
Geogr. Helv., 70, 333-348, 2015
https://doi.org/10.5194/gh-70-333-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Geogr. Helv., 70, 333-348, 2015
https://doi.org/10.5194/gh-70-333-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Standard article 10 Nov 2015

Standard article | 10 Nov 2015

Une représentation du risque à l'intersection de l'aléa et de la vulnérabilité: cartographies des inondations lyonnaises

F. Renard and D. Soto F. Renard and D. Soto
  • Université Jean Moulin Lyon 3, UMR 5600 Environnement Ville Société CNRS, Lyon, France

Abstract. Essential to risk studies, vulnerability analysis of the assets of an area is often not suitable for practical application. It is usually more an assets census than a real vulnerability assessment, facing a given hazard. Its intersection with the hazards zoning poses also many methodological, cartographic and operational problems. This work starts with the key concepts of risk, thanks to a review of French and international literature study. Then, it provides a procedure which allows precise knowledge of the local vulnerability, available to all types of hazards and applicable to all areas. Finally, in order to get an overall perspective of risk, assets vulnerabilities are crossed with the hazards areas, in accordance to the spatial distribution of both components and using innovative geomatics operations. As part of this study, this methodology will be applied to the rivers flooding and overflowing runoff of the Greater Lyon.

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Vulnerability analysis is essential to risk studies. Starting with the key concepts of risk, this work provides a procedure which allows precise knowledge of the local vulnerability, available to all types of hazards and applicable to all areas. Finally, in order to get an overall perspective of risk, assets vulnerabilities are crossed with the hazards areas, in accordance to the spatial distribution of both components and using innovative geomatics operations.
Vulnerability analysis is essential to risk studies. Starting with the key concepts of risk,...
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