Flood Risk Zones for Chaniers, France: Regulated Areas Under the PPRN

A 2021 geospatial dataset from the French Geological Survey (BRGM) delineating regulated flood zones for the commune of Chaniers in Charente-Maritime. It classifies areas based on hazard levels from the Charente River, as defined by the French Environmental Code for Natural Risk Prevention Plans (PPRN). The data is provided via an INSPIRE-compliant download service.

Use Cases

• Assess land development suitability based on the defined 'red', 'blue', and other regulatory zones.
• Model flood exposure and risk for properties and infrastructure within the commune of Chaniers.
• Enforce and visualize land-use regulations stipulated by the Natural Risk Prevention Plan (PPRN).
• Integrate hazard zoning into regional environmental planning and disaster preparedness systems.

Strengths

• Data is structured according to the formal French PPRN regulatory framework defined in the Environmental Code.
• Provides a specific spatial delineation for a single commune, allowing for localized analysis.
• Sourced from the authoritative Bureau de Recherches Géologiques et Minières (BRGM).

Limitations

• Last updated 2021-09-17 00:00:00; freshness should be verified.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and file size are unknown, which may limit suitability assessment.

Provenance

Source

BUREAU DE RECHERCHES GÉOLOGIQUES ET MINIÈRES (BRGM)

Collection Method

Likely derived from hydrological modeling and regulatory planning processes for Natural Risk Prevention Plans (PPRN).

Freshness

Last updated 2021-09-17 00:00:00

Geography

Commune of Chaniers, Charente-Maritime, France