Upper Aa PPRN Hazard Zone: Flood and Natural Hazard Risk Areas in France

Hazard zones for the Upper Aa area represent areas exposed to one or more natural hazards as defined for French Risk Prevention Plans (PPR). The dataset, compiled by the Bureau de Recherches Géologiques et Minières (BRGM), likely contains graduated zoning based on hazard probability and intensity. Last updated in April 2019, it serves as a regulatory tool for land-use planning and risk analysis.

Use Cases

• Assess land development suitability based on hazard exposure levels described in the zoning.
• Model potential impact scenarios for natural disasters using the graduated hazard zones.
• Inform regulatory decisions for construction and insurance using the PPRN framework.
• Integrate hazard data with other geospatial layers for comprehensive environmental risk analysis.

Strengths

• Compiled by the authoritative geological survey organization BRGM.
• Includes areas protected by structures, which are still considered subject to hazard.
• Zoning is graduated according to hazard level, providing nuance beyond binary classification.

Limitations

• Last updated 2019-04-01 00:00:00; freshness should be verified.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and specific file formats are unknown, which may limit suitability assessment.

Provenance

Source

BUREAU DE RECHERCHES GÉOLOGIQUES ET MINIÈRES (BRGM)

Collection Method

Synthesis using several sources of calculated, modelled or observed hazard data for risk prevention plans (PPR).

Freshness

Last updated 2019-04-01 00:00:00

Geography

Upper Aa region, France (implied by PPRN context and organization).