BUREAU DE RECHERCHES GÉOLOGIQUES ET MINIÈRES provides a natural hazard prevention plan (PPRN) for the commune of St-Sever-de-Saintonge in Charente-Maritime, France. The dataset includes layers for risk exposure scope, risk zoning, regulatory zoning, existing information, and addressed issues. It was approved by prefectural decree on 31 December 2009 and last updated on 17 September 2021.
Use Cases
- Map flood risk exposure zones based on the 'scope of exposure to the risk' layer.
- Analyze regulatory land-use restrictions based on the 'regulatory zoning of the PPRN' layer.
- Identify assets and infrastructure at risk using the 'Issues addressed in the PPRN' layer.
- Cross-reference historical and supplementary flood data using the 'Existing and complementary information' layer.
Strengths
- Provides a specific prefectural decree approval date of 31 December 2009.
- Contains multiple structured thematic layers (e.g., zoning, regulatory information) as described.
- Originates from an authoritative geological and mining research organization (BRGM).
Limitations
- Description metadata is limited; actual data quality requires manual inspection after download.
- Last updated 2021-09-17 00:00:00; freshness should be verified.
- Column-level documentation is absent; field semantics must be inferred after download.
Provenance
- Source
- BUREAU DE RECHERCHES GÉOLOGIQUES ET MINIÈRES
- Time Range
- Plan approved 31 December 2009.
- Freshness
- Last updated 2021-09-17 00:00:00
- Geography
- Commune of St-Sever-de-Saintonge, Charente-Maritime, France.