Perimeter of PPRGA of the municipality of Callian (Gers)

Scope of the Natural Risk Prevention Plan Withdrawal of the Argiles of the municipality of Callian in the Gers department.
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.

热尔省卡利安市镇黏土区域自然风险预防计划撤回范围。
本数据集收录了自然风险预防计划（Natural Risk Prevention Plan，以下简称RPP）各推进阶段的边界范围。此类边界的共性为：均由官方文书正式划定，并自指定生效日期起产生法律效力。具体包含以下三类边界：
- 法定规定边界：由PPR划定命令中载明的规定性边界；
- 风险暴露边界：即经获批的自然风险预防计划（RPP）所规制的风险暴露范围，该获批边界属于公用地役权范畴；
- 研究范围：即开展灾害风险评估所覆盖的研究包络范围。