N_PERIMETRE_PPRN_20140365_S_032

Perimeter of the Natural Risk Prevention Plan Withdrawal of the Argiles of the municipality of Cazeneuve 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）卡泽纳弗市（Cazeneuve）黏土层自然风险预防计划（Natural Risk Prevention Plan）撤回边界数据集说明： 本数据集收录了该自然风险预防计划不同编制阶段的边界范围。此类边界的共性特征为：均由官方正式文书制定，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： - 自然风险预防计划（Natural Risk Prevention Plan, PPR）政令中载明的法定边界； - 经批准的自然风险预防计划所规制的风险暴露边界，该经批准的边界属于公用役地（utility easement）； - 灾害研究覆盖范围，即开展灾害评估研究所涉及的空间包络。