Linear stakes of PPRI 2013 Dordogne and tributaries to Beaulieu sur Dordogne — Corrèze

N_ENJEU_PPRN_20100005_L_019
Linear stakes of PPRI 2013 Dordogne and tributaries to Beaulieu sur Dordogne — Corrèze

Plans for the prevention of natural flood risk PPRI of the Dordogne basin and its tributaries of Argentat in Liourdres (15 communes) in Corrèze

Natural PPRs are established in accordance with Article L. 562-1 of the Environmental Code. In exposed areas, depending on the intensity of the risk, they shall define the prohibition zones for constructions and installations in order not to aggravate the risk, or, in areas where constructions and installations may be authorised, the implementation requirements.

The PPRi of the Dordogne basin and its tributaries from Argentat to Liourdres, approved on 30/10/2013, cover 15 municipalities (one PPRi per municipality). The rivers concerned are Dordogne, Maronne, Souvigne and Sagne and Filèle, Malefarge, Ménoire and Cerou. The hazard is derived from a modeling. The reference flood is the strongest history known for Souvigne, Sagne and Fidèle (crue of October 1960) and the centennial flood calculated for Dordogne, Maronne, Malefarge, Ménoire and Céroux. The purpose of the regulations is to prevent the risk to people and property. For this purpose, the flood-free territory is classified as red (inconstructible), dark blue (constructable under conditions for economic activities) or blue (constructible under conditions)

A PPRi is established for each municipality, i.e.: Argentat-sur-Dordogne, Hautefage, La-Chapelle-Saint-Géraud, Forgès, Saint-Chamant, Monceaux-sur-Dordogne, Bassignac-le-Bas, Reygades, Chenaillers-Mascheix, Brivezac (merged with Beaulieu-sur-Dordogne), Beaulieu-sur-Dordogne, Nonards, Altillac, Astaillac and Liourdres.

N_ENJEU_PPRN_20100005_L_019
2013年多尔多涅河及其支流至多尔多涅河畔博略河段线性范围——科雷兹省

本数据集对应科雷兹省利乌尔达尔地区阿尔让塔河段的多尔多涅流域及其支流的自然洪水风险预防规划（PPRI），该规划覆盖15个市镇。

自然洪水风险预防规划（PPRI）的制定严格遵循《法国环境法典》第L.562-1条之规定。在洪水风险暴露区域，规划将依据风险强度划定禁止建设建（构）筑物及设施的区域，以避免加剧洪水风险；对于可获批建设建（构）筑物及设施的区域，则明确相应的建设实施要求。

本次批准于2013年10月30日的多尔多涅流域及其阿尔让塔至利乌尔达尔河段支流的PPRI，共覆盖15个市镇（每个市镇对应一份独立的PPRI）。涉及的河流包括多尔多涅河、马罗讷河、苏维涅河、萨涅河、菲莱尔河、马勒法尔热河、梅努瓦尔河与塞鲁河。

本次洪水风险研判基于数值模拟：苏维涅河、萨涅河与菲莱尔河以已知史上最强洪水事件（1960年10月洪水）作为参考洪水；多尔多涅河、马罗讷河、马勒法尔热河、梅努瓦尔河与塞鲁河则采用计算得到的百年一遇洪水作为参考洪水。本规划的规制目标为防范洪水对人员及财产造成的风险。为此，规划将无洪水风险的区域划分为三类：红色区域（不可建设）、深蓝色区域（可在满足经济活动相关条件下建设）与蓝色区域（可在满足相关条件下建设）。

本次涉及的15个市镇具体为：多尔多涅河畔阿尔让塔、奥特法日、拉沙佩勒-圣热罗、福尔热、圣尚芒、多尔多涅河畔蒙索、下巴西尼亚克、雷加德、谢奈耶-马谢、布里瓦扎克（已与多尔多涅河畔博略合并）、多尔多涅河畔博略、诺纳尔、阿尔蒂亚克、阿斯泰亚克与利乌尔达尔。