Risk — 41DDT19990003 Monthou-sur-Cher, Bourré, Montrichard en Loir-et-Cher PPRMT Perimeter

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 following:
— prescribed perimeter contained in the PPR’s prescription order (movement of land);
— scope of risk exposure that corresponds to the scope regulated by the approved RPP. This approved perimeter is a utility easement (PM1 for PPRNs);
— scope of study which corresponds to the envelope in which the hazards were studied.

本数据集收录了PPRN开发各阶段的边界范围。此类边界的核心特征为：系官方行为所产生之结果，且自指定日期起发生效力。具体涵盖以下三类：
—— 载于PPR规定命令中的规定性边界（涉及土地流转）；
—— 风险暴露范围，与获批RPP所规制的范围相一致。该获批边界属于公共地役权（PPRN对应PM1类型）；
—— 研究范围，即针对各类风险隐患开展研究的覆盖范畴。