Comparison between Flooded Areas and Flood-Risk Areas. Case of Var department (France)

Christophe Esposito (1) , Jean-Louis Ballais (2, 3) , Sylvain Chave (2)

1 Cerema Direction Méditerranée - Centre d'Etudes et d'Expertise sur les Risques, l'Environnement, la Mobilité et l'Aménagement - Direction Méditerranée
2 ESPACE - Études des Structures, des Processus d’Adaptation et des Changements de l’Espace
3 AMU - Aix Marseille Université

June 15 and 16th, 2010, heavy rainfall strikes the department of the Var and provoked numerous floods. The French Ministry of Ecology, Sustainable Development and Energy decided to launch studies in order to define the flood extension. The aim of this paper is to compare these limits of the flood-risk area and that of the 2010 flooded zone. Studies have shown that hydrogeomorphological mapping appears as being the best method to define the flood-risk area for such an event. But it was not carried out everywhere.

Keywords: Mapping of the flood-risk area; France; millenary flood; flooded area; Var department

Domains: Environmental Sciences; Sciences of the Universe [physics]; Earth Sciences; Hydrology; Engineering Sciences [physics]; Civil Engineering; Risques

Christophe Esposito, Jean-Louis Ballais, Sylvain Chave. Comparison between Flooded Areas and Flood-Risk Areas. Case of Var department (France). XII International Association for Engineering Geology and the Environment (IAEG) Congress, Sep 2014, Turin, Italy. pp.793-786, ⟨10.1007/978-3-319-09048-1_154⟩. ⟨hal-01571509⟩