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FLOOD RESILIENCE  is defined as the capacity of a system, community or society potentially exposed to hazards, to adapt by resisting or changing in order to reach and maintain an acceptable level of functioning and structure. Resilience of flood-prone communities can be evaluated according to natural, physical, economic, institutional and social criteria.

A majority of assessment techniques is based on quantitative analysis. The urban system is considered through five dimensions: natural, physical, economical, social and institutional. Within each dimension the set of major indicators is chosen. The set of indicators or variables is taken as a substitute because it is very difficult to quantify resilience in relative terms. The indicators are chosen according to the following criteria: Sensitivity, Availability, Affordability and Relevance.

The method to evaluate the resilience at the city scale is a simplification of reality. The method is addressing the flooding processes in urban systems. Interconnection between natural, physical, economic, social and institutional system exist and their separation is arbitrary.