Map Viewing Service (WMS) of the dataset: Linear entity at the origin of the Risk Plan for the Prevention of Predictable Natural Risks of Flooding of the Loire on the Val d’Authion in the Indre-et-Loire

The origin of the risk characterises the real-world entity which, through its presence, represents a potential risk. This origin may be characterised by a name and, in some cases, a geographical object locating the actual entity causing the risk. The location of the entity and the knowledge of the dangerous phenomenon are used to define the risk pools, the risk-exposed areas that underpin the RPP. For NRPPs, this entity may, for example, correspond to a watercourse, a geologically unstable area.风险来源对应于那些因其存在而构成潜在风险的现实世界实体。该风险来源可通过名称予以表征，在部分场景下，还可借助地理对象来定位该风险的实际成因实体。 该实体的位置以及对危险现象的认知，被用于定义风险池（risk pools）——即支撑RPP的风险暴露区域。 针对NRPPs而言，该实体例如可对应为河道、地质不稳定区域。