Dataset Direct Download Service (WFS): Type A map of areas exposed to noise (night) for the Côte-d’Or rail network

These maps also referred to as “type A maps” represent for the year 2017 in the form of isophone curves, the areas exposed to more than 50 dB(A) according to the Ln indicator, with a step of 5 in 5 dB(A). They concern the Côte-d’Or rail network. LN: noise level indicator for the night period (22h-6h). These aggregated data are published for use in mapping purposes. It is advisable to load the detail data for more accurate use.此类亦被称为“A型地图”的数据集，以等声级线（isophone curves）的形式呈现了2017年依据Ln声级指示器测算、声级超过50dB(A)的区域，且声级分级步长为5dB(A)。 该数据集涵盖科多尔省（Côte-d’Or）的铁路网。 Ln：夜间时段（22时至次日6时）的声级指示器。 本聚合数据仅用于制图用途，若需实现更精准的应用，建议加载详细数据。