Dataset Direct Download Service (WFS): Rail noise zone for Type C maps Ln indicator for the 3 rd deadline in Maine-et-Loire(49)

Aggregation of generic tables describing the Noise Zones, for an infrastructure, type of infrastructure concerned FER (F), type C map according to the Lden indicator (day/evening/night). This map is a graphic representation of areas where the Lden noise level exceeds the limit value of 68 dB. Map to be made under the CBS under Articles R.571-37 and R.571-38 of the Environmental Code. Aggregation obtained by the QGIS MIZOGEO plugin made available by CEREMA.本数据集为针对基础设施的通用噪声区域统计表聚合集，涉及的基础设施类型为FER（F类），为依据Lden（昼间/晚间/夜间）等效声级指标划定的C类地图相关数据。该地图为Lden噪声级超过68分贝限值的区域的图形化展示成果。本地图需依据《环境法典》第R.571-37条与第R.571-38条，在CBS框架下编制完成。本聚合数据集由CEREMA提供的QGIS MIZOGEO插件生成。