DamaGIS: a multisource geodatabase for collection of flood-related damage data

Saint-Martin, Clotilde; Javelle, Pierre; Vinet, Freddy

Every year in France, recurring flood events result in several million euros of damage, and reducing the heavy consequences of floods has become a high priority. However, actions to reduce the impact of floods are often hindered by the lack of damage data on past flood events. The present paper introduces a new database for collection and assessment of flood-related damage. The DamaGIS database offers an innovative bottom-up approach to gather and identify damage data from multiple sources, including new media. The study area has been defined as the south of France considering the high frequency of floods over the past years. This paper presents the structure and contents of the database. It also presents operating instructions in order to keep collecting damage data within the database. This paper also describes an easily reproducible method to assess the severity of flood damage regardless of the location or date of occurrence. A first analysis of the damage contents is also provided in order to assess data quality and the relevance of the database. According to this analysis, despite its lack of comprehensiveness, the DamaGIS database presents many advantages. Indeed, DamaGIS provides a high accuracy of data as well as simplicity of use. It also has the additional benefit of being accessible in multiple formats and is open access. The DamaGIS database is available at https://doi.org/10.5281/zenodo.1241089https://doi.org/10.5281/zenodo.1241089.

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Saint-Martin, Clotilde / Javelle, Pierre / Vinet, Freddy: DamaGIS: a multisource geodatabase for collection of flood-related damage data. 2018. Copernicus Publications.

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Rechteinhaber: Clotilde Saint-Martin et al.

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