N_PERIMETRE_PPRN_20140246_S_032

Perimeter of the Natural Risk Prevention Plan Withdrawal of the Argiles of the municipality of Laveraet in the department of Gers. This dataset contains the boundaries at the different stages of the development of the RPP. The characteristic of these perimeters is to be the consequence of an official act and to produce their effects from a specified date. This is the:- prescribed perimeter set out in a PPR’s prescription order;- risk exposure perimeter that corresponds to the perimeter regulated by the approved RPP, this approved perimeter is a utility easement;- study scope that corresponds to the envelope in which the hazards were studied.热尔省拉韦雷市黏土区域自然风险预防计划废止边界数据集 本数据集收录了自然风险预防计划（Natural Risk Prevention Plan，RPP）编制全流程各阶段的边界范围。此类边界均具备两项核心属性：其一，均由官方正式公文制定；其二，自指定生效日期起具备法定效力。本数据集包含以下三类边界： 1. 法定规制边界：载于自然风险预防计划（PPR）制定令中的法定边界； 2. 风险暴露边界：对应经获批自然风险预防计划（RPP）所规制的范围，该获批边界为公用役地； 3. 研究覆盖边界：即开展灾害风险研究所覆盖的范围包络线。