Map Viewing Service (WMS) of the dataset: Regulated area of the RPP flooding of the Auzon basin (63DDT19980006) approved on 09/05/2007 — Puy-de-Dôme

The area covered by the perimeter of the Preventive Natural Risk Prevention Plan for the Auzon Basin consists of three types of areas: — Dark red area: urban area exposed to a severe hazard — Dark blue zone: urban area exposed to medium hazard. This area is subdivided into sectors: • ZBFa sector, for urban centres exposed to medium risk • zbfb sector, for other urban areas exposed to medium risk — Light red zone: flood expansion areas to be preserved or non-urban areas exposed to severe or medium hazard. This area is subdivided into sectors: sector 1 for areas exposed to severe hazards; — sector 2 for areas exposed to medium hazard.奥宗盆地（Auzon Basin）预防性自然风险防范计划的边界覆盖区域共分为三类区域： — 深红色区域：受严重灾害威胁的城市建成区 — 深蓝色区域：受中等灾害威胁的城市建成区。该区域进一步细分为两个分区： • ZBFa分区：针对受中等风险影响的城市中心区域 • zbfb分区：针对受中等风险影响的其他城市区域 — 浅红色区域：需予以保护的洪水蔓延区域，或受严重/中等灾害威胁的非城市区域。该区域进一步细分为两个分区： • 分区1：针对受严重灾害威胁的区域； • 分区2：针对受中等灾害威胁的区域。