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Geostatistical analyses of iron in shallow groundwater and their application for establishing an environmental baseline: a case study

机译：浅层地下水中铁的地统计分析及其在建立环境基线中的应用：案例研究

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Knowledge of the environmental background and a baseline are important for local environmental studies and management. In this study, seventy groundwater samples taken near the city of Suzhou, northern Anhui Province, China have been measured for their iron concentrations, and the results processed by geostatistical analytical techniques (including semi-variance, spatial autocorrelation and cluster analyses). The results indicate that the quality of these groundwater samples is relatively good, and all can be classified as class one according to their iron concentrations and the groundwater quality in China. The spatial distribution of iron concentrations shows that they increase from north to south in the area. The semi-variance, spatial autocorrelation and cluster analyses suggest that iron concentrations in the shallow groundwater were affected by combined natural and anthropogenic contributions. After removing the spatial outliers, the environmental baseline of iron in the shallow groundwater in the study area is established as being 0–28.5 μg/l.
机译：了解环境背景和基准对于本地环境研究和管理非常重要。在这项研究中，对安徽省北部苏州市附近的70个地下水样品中的铁含量进行了测量，并通过地统计学方法（包括半方差，空间自相关和聚类分析）对结果进行了处理。结果表明，这些地下水样品的质量相对较好，根据它们的铁含量和中国的地下水质量都可以归为一类。铁浓度的空间分布表明它们在该区域从北向南增加。半方差，空间自相关和聚类分析表明，浅层地下水中的铁浓度受自然和人为因素的共同影响。除去空间异常值后，研究区域中浅层地下水中铁的环境基线确定为0–28.5μg/ l。

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