Hydrogeological overview map of the spatial distribution of dissolved iron concentrations in the groundwater of Lower Saxony (from 50 m depth) 1: 500 000

Overview map of the spatial distribution of dissolved iron concentrations in the groundwater of Lower Saxony. The map shows the area-based evaluation of 1180 groundwater analyses from depths from 50 m below the terrain surface. The colour-graded overview map represents only the spatial distribution of the measured iron concentrations and does not take into account any influences on the geological structures and properties of the substrate. The interpolation method of inverse distance weighting was used to create the map.下萨克森州（Lower Saxony）地下水中溶解铁浓度空间分布概览图。该图基于地表以下50米深度的1180组地下水分析数据完成区域化评估。此色阶分级概览图仅呈现实测铁浓度的空间分布特征，未考虑地质构造与基底基质属性的各类影响。本图采用反距离权重（Inverse Distance Weighting）插值法制作而成。