Map Viewing Service (WMS) of the dataset: Perimeter of the PPRN flood of Chartres, in Eure-et-Loir (28)

This dataset contains the boundaries at the different stages of the development of the PPRN. 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 the Prescribing Order of a PPR (natural or technological);- scope of exposure to risks that corresponds to the scope regulated by the approved RPP. This approved perimeter is a utility easement (PM1 for PPRNs and PM3 for PPRTs);- scope of study that corresponds to the envelope in which the hazards were studied.本数据集涵盖PPRN开发各阶段的边界范围。此类边界的核心特征为：均由官方法令确立，且自指定日期起产生法律效力。具体包含以下三类边界： 1. PPR规定令（Prescribing Order）中载明的法定边界（涵盖自然型与技术型PPR）； 2. 与经核准的RPP所规制的风险暴露范围，该核准后的边界属于公用役权（utility easement）（PPRN对应PM1，PPRT对应PM3）； 3. 对应危害研究覆盖范围的研究范畴。