Dataset Direct Download Service (WFS): Classes of the PPRI 2013 Dordogne and tributaries in Reygade — Corrèze

N_ZONE_ALEA_PPRN_20100014_S_019
Classes of the hazard (obtained by crossing heights and speeds) of the PPRI 2013 Dordogne and tributaries to Reygade — 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_ZONE_ALEA_PPRN_20100014_S_019
本数据集对应2013年科雷兹省多尔多涅河及雷加德支流区域的自然洪水风险预防规划（PPRI）灾害等级，该等级通过耦合水位高度与水流流速参数分析得到。

本数据集关联科雷兹省利乌尔德尔地区阿尔让塔段多尔多涅河流域及其支流的自然洪水风险预防规划（PPRI），覆盖共计15个市镇。

自然洪水风险预防规划（PPRI）依据《环境法典》第L.562-1条制定。在风险暴露区域，规划将根据风险强度划定禁止建设与设施布设区域，以避免加剧灾害风险；对于可获批建设与设施布设的区域，则明确相关实施要求。

本批次多尔多涅河流域及其阿尔让塔至利乌尔德尔段支流的自然洪水风险预防规划（PPRI）于2013年10月30日获批，覆盖15个市镇，每个市镇对应一份独立PPRI。本次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、马尔费尔热河、梅努瓦尔河与塞鲁河。

本次灾害等级基于水文模型推演得出。参考洪水选取标准为：苏维涅河、萨涅河与菲代勒河采用有记录以来的最大历史洪水（1960年10月洪水事件），多尔多涅河、马罗讷河、马尔费尔热河、梅努瓦尔河与塞鲁河则采用推算得到的百年一遇洪水。本规划的管控目标为防范洪水对人员与财产造成的风险。据此，洪水风险管控区域被划分为三类：红色区域（禁止建设）、深蓝色区域（符合条件方可开展经济建设活动）以及蓝色区域（符合条件方可建设）。

本次覆盖的15个市镇分别为：多尔多涅河畔阿尔让塔、奥特法日、拉沙佩勒-圣热罗、福尔热、圣沙芒、多尔多涅河畔蒙索、下巴西尼亚克、雷加德、谢奈耶-马谢、布里夫扎克（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、阿斯泰亚克及利乌尔德尔。