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Application of geostatistics for remediation purposes in polluted sites

机译:地统计学在污染场地修复中的应用

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The main objective of this study is to highlight the utility of geostatistics for polluted soil remediation purposes. The second objective of this project was more practical one. It consists on the identification of areas that should be subjected to remedial actions and also on deciding which contaminant needs to be considered when remediation processes are taken. To achieve the described objectives, a contaminated site has been studied and the following steps have been followed: The contamination concentration limits beyond which action needs to be taken to remediate the ground contamination, in which case it is important to determine the areas that should be subjected to the appropriate remediation measures. A presentation of a case study will follow. A brief site description is given. Next, a spatial analysis of the site has been carried out. It consists essentially of: Firstly a primary process of the data which means that histograms and an unprocessed representation of the pollutant’s distribution has been plotted for each contaminant. Secondly a graphic presentation of the pollution using inverse distance weight (IDW) and Kriging interpolation technique is shown. This research is exploring the possibility of stochastic simulation to produce more realistic image of the data distribution, compared with kriging errors .Finally an assessment concerning Kriging is presented and a balance between the advantages and disadvantages of its uses is discussed.
机译:这项研究的主要目的是强调地统计学在污染土壤修复中的作用。该项目的第二个目标是更实际的目标。它不仅包括确定应采取补救措施的区域,还包括在采取补救措施时确定需要考虑哪些污染物。为了实现上述目标,已经研究了受污染的地点,并采取了以下步骤:污染浓度限值,必须采取行动来补救地面污染,在这种情况下,确定应该污染的区域非常重要。受到适当的补救措施。随后将进行案例研究。给出了简短的站点描述。接下来,对场地进行了空间分析。它主要包括:首先是数据的主要处理过程,这意味着已为每种污染物绘制了直方图和污染物分布的未处理表示。其次,显示了使用反距离权重(IDW)和Kriging插值技术的污染的图形表示。这项研究正在探索与Kriging错误相比,随机模拟产生更真实的数据分布图的可能性。最后,对Kriging进行了评估,并讨论了其使用的优缺点之间的平衡。

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