N_PERIMETRE_PPRN_20140375_S_032

Perimeter of the Natural Risk Prevention Plan Withdrawal of the Argiles of the municipality of Larressingle 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（Gers）拉雷斯桑格尔（Larressingle）市镇黏土层相关自然风险防治计划（Natural Risk Prevention Plan，RPP）退出边界。 本数据集收录了该自然风险防治计划（RPP）编制推进各阶段划定的边界范围。此类边界的共性为：均由法定文书划定，并自指定生效日期起产生法律效力。具体涵盖以下三类边界： - 法定划定边界：载于自然风险防治计划（RPP）划定令中的法定边界； - 风险暴露范围：对应经获批自然风险防治计划所规制的边界范围，该获批边界属于公用役地（utility easement）范畴； - 研究范围：即开展灾害风险评估所覆盖的空间范围。