%0 Book Section %T Adaptation et gestion des risques : usages et limites de l'analyse coût-bénéfice %+ Météo-France %+ centre international de recherche sur l'environnement et le développement (CIRED) %+ Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad) %A Hallegatte, Stéphane %A Dumas, Patrice %B Gestion des risques naturels, leçons de la tempête Xynthia %I Quae %P 197-207 %8 2012 %D 2012 %Z Environmental Sciences/Environmental and SocietyBook sections %X An simplified application of cost-benefit analysis to sea level rise and to the increased risk of storm surges is performed for the Languedoc-Roussillon region of France. This analysis allows to show the interests and limits of cost-benefit analysis. It shows that taking into account the current level of protection is important. It also highlights that cost-benefit analysis is usefull to communicate on the opportunity to rise defenses. However, uncertainty and elements difficult to quantify, such as non monetary amenities prevent the cost-benefit analysis to be the sole basis for decision. %G French %2 https://enpc.hal.science/hal-00836774/document %2 https://enpc.hal.science/hal-00836774/file/xynthia-chap11.pdf %L hal-00836774 %U https://enpc.hal.science/hal-00836774 %~ CIRAD %~ SDE %~ METEO %~ AGROPARISTECH %~ ENPC %~ CNRS %~ EHESS %~ CIRED %~ PARISTECH %~ GIP-BE %~ FRANTIQ %~ AGREENIUM