Dikes in Pays de la Loire

Flood protection dikes (fluvial and coastal) controlled by the Department for the Safety of Hydraulic Works of the DREAL Pays de la Loire. Data extracted: * from the atlas of defences against the sea and river dikes in Vendée (DDTM 85) * census of marine submersion protection works in Loire-Atlantique (DDTM44) Part of the information also comes from the SIOUH database (Information System of Hydraulic Works), a tool for monitoring the regulations put in place with the publication of Decree No. 2007-1735 and its implementing decrees.本数据集涵盖由卢瓦尔河地区大区环境、规划与住房局（DREAL）水利工程安全署管控的防洪堤（含河道型与海岸型）。 数据提取自以下数据源： * 旺代省（DDTM 85）海洋与河道堤防防御图集 * 卢瓦尔-大西洋省（DDTM 44）海洋淹没防护设施普查 另有部分信息源自SIOUH数据库（水利工程信息系统，Information System of Hydraulic Works），该系统用于监管第2007-1735号法令及其实施细则所确立的各项规制措施。