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首页> 外文期刊>Aquatic Sciences >Spatial extent and ecotoxicological risk assessment of a micropollutant-contaminated wastewater plume in Lake Geneva
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Spatial extent and ecotoxicological risk assessment of a micropollutant-contaminated wastewater plume in Lake Geneva

机译：日内瓦湖中被微污染物污染的废水羽流的空间范围和生态毒理风险评估

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摘要

In this study, the spatial extent of a wastewater-influenced water mass (plume) originating from a waste-water treatment plant outlet in Vidy Bay (Lake Geneva) was monitored by two manned submersibles from June to August 2011. The main goal was to assess whether mi-cropollutants in the wastewater mass cause an ecotoxicological risk to the aquatic environment, and to determine how far the zone of risk extends beyond the wastewater outlet. Real-time measurements of elevated electrical conductivity were used as a proxy to indicate the presence of wastewater-influenced water. Conductivity was highest in immediate proximity to the wastewater outlet, though if all measurements obtained over the duration of the sampling campaign were integrated, elevated conductivity extended over an area of at least 1 km~2 surrounding the outlet. Additionally, water samples were collected within and outside Vidy Bay, and were analyzed for 39 micropollutants (pharmaceuticals, pesticides, and corrosion inhibitors). Micropollutant concentrations were generally in the low ng/L range, though for some substances ＞100 ng/L was measured. The concentrations of most Pharmaceuticals, which are primarily wastewater-derived, decreased with decreasing conductivity and with increasing distance from the wastewater outlet. Pesticide concentrations, in contrast, were homogeneous throughout Vidy Bay and the lake. An ecotoxicological risk assessment based on the cumulative risk exerted by all measured substances indicated that the wastewater caused a zone of potential ecotoxicological risk that extended well into the deep lake and in the direction of a downstream drinking water intake.
机译：在这项研究中，从2011年6月至2011年8月，由两名载人潜水器监测了来自维迪湾（日内瓦湖）废水处理厂出口的废水影响的水团（软泥）的空间范围。主要目的是评估废水中的微量污染物是否对水生环境造成生态毒理学风险，并确定危险区域超出废水出口的范围。实时测量提高的电导率被用作指示废水影响水的存在。电导率在紧邻废水出口处最高，尽管如果将在整个采样过程中获得的所有测量结果进行整合，则升高的电导率将扩展到废水出口周围至少1 km〜2的区域。此外，在维迪湾（Vidy Bay）内外收集了水样本，并分析了39种微污染物（药物，农药和缓蚀剂）。微污染物的浓度通常在低ng / L的范围内，尽管对某些物质测得的浓度＞ 100 ng / L。大多数药物的浓度（主要来自废水）随着电导率的降低和与废水出口距离的增加而降低。相反，整个维迪湾和湖泊中的农药浓度是均匀的。根据所有被测物质所累积的累积风险进行的生态毒理风险评估表明，废水引起了潜在的生态毒理风险区域，该风险一直延伸到深湖中，并朝下游饮用水的摄入方向发展。

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  • 来源
    《Aquatic Sciences》 |2014年第1期|S7-S19|共13页
  • 作者

    Corinne C. Hoerger; Yosef Akhtman; Lorenzo Martelletti; Rebecca Rutler; Florence Bonvin; Aureline Grange; J. Samuel Arey; Tamar Kohn;

  • 作者单位

    Environmental Chemistry Laboratory (LCE), Environmental Engineering Institute (IIE), School of Architecture, Civil and Environmental Engineering (ENAC), Ecole Polytechnique Federale de Lausanne (EPFL), Station 2, 1015 Lausanne, Switzerland,Laboratory for Air Pollution and Environmental Technology, Swiss Federal Laboratories for Materials Science and Technology (Empa), Ueberlandstrasse 129, 8600 Duebendorf, Switzerland;

    Geodetic Engineering Institute (TOPO), Environmental Engineering Institute (IIE), School of Architecture, Civil and Environmental Engineering (ENAC), Ecole Polytechnique Federale de Lausanne (EPFL), Station 2, 1015 Lausanne, Switzerland;

    Geodetic Engineering Institute (TOPO), Environmental Engineering Institute (IIE), School of Architecture, Civil and Environmental Engineering (ENAC), Ecole Polytechnique Federale de Lausanne (EPFL), Station 2, 1015 Lausanne, Switzerland,Pix4D, Chemin de la Venoge 11, 1024 Ecublens, Switzerland;

    Environmental Chemistry Laboratory (LCE), Environmental Engineering Institute (IIE), School of Architecture, Civil and Environmental Engineering (ENAC), Ecole Polytechnique Federale de Lausanne (EPFL), Station 2, 1015 Lausanne, Switzerland,Cimo Compagnie industrielle de Monthey SA (CIMO), Case Postale 432, 1870 Monthey, Switzerland;

    Environmental Chemistry Laboratory (LCE), Environmental Engineering Institute (IIE), School of Architecture, Civil and Environmental Engineering (ENAC), Ecole Polytechnique Federale de Lausanne (EPFL), Station 2, 1015 Lausanne, Switzerland;

    Environmental Chemistry Modeling Laboratory (LMCE), Environmental Engineering Institute (IIE), School of Architecture, Civil and Environmental Engineering (ENAC), Ecole Polytechnique Federale de Lausanne (EPFL), Station 2, 1015 Lausanne, Switzerland,Department of Environmental Chemistry, Swiss Federal Institute of Aquatic Sciences and Technology (Eawag), UEberlandstrasse 133, 8600 Dubendorf, Switzerland;

    Environmental Chemistry Modeling Laboratory (LMCE), Environmental Engineering Institute (IIE), School of Architecture, Civil and Environmental Engineering (ENAC), Ecole Polytechnique Federale de Lausanne (EPFL), Station 2, 1015 Lausanne, Switzerland,Department of Environmental Chemistry, Swiss Federal Institute of Aquatic Sciences and Technology (Eawag), UEberlandstrasse 133, 8600 Dubendorf, Switzerland;

    Environmental Chemistry Laboratory (LCE), Environmental Engineering Institute (IIE), School of Architecture, Civil and Environmental Engineering (ENAC), Ecole Polytechnique Federale de Lausanne (EPFL), Station 2, 1015 Lausanne, Switzerland;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Risk quotient; Pharmaceuticals; Pesticides; Corrosion inhibitors; Wastewater mass; Electrical conductivity;

    机译：风险商;药品;农药;腐蚀抑制剂;废水量;电导率;

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