Dataset Direct Download Service (WFS): N_PERIMETRE_PPRN_20140360_S_032

Perimeter of the Natural Risk Prevention Plan Withdrawal of the Argiles of the commune of Brittany-d’Armagnac 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.法国热尔省布列塔尼-阿尔马尼亚克市镇阿尔吉勒黏土层区域自然风险预防计划撤销案边界。 本数据集收录了自然风险预防计划（Natural Risk Prevention Plan，RPP）不同编制阶段的边界范围。此类边界均以官方正式文书为依据，并自指定日期起生效。具体包含以下三类边界： 1. 法定划定边界：指RPP正式指令中载明的规定性边界； 2. 风险暴露边界：对应经获批RPP所规制的边界范围，该获批边界属于公共地役权（utility easement）； 3. 研究覆盖范围：指开展自然风险隐患研究的限定覆盖范围。