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Quality assessment and hydrogeochemical status of potable water resources in a suburban area of northern Greece (Thermi Municipality, central Macedonia)

机译:希腊北部郊区(马其顿中部Thermi市)的饮用水质量评估和水地球化学状况

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摘要

Twenty-seven (27) tap water samples were collected during October 2012 from the supply network of Thermi Municipality (central Macedonia, northern Greece) in order to assess their hydrogeochemical signatures and the overall quality status according to the European legislation and international standards. Samples were analysed for a total of 25 environmentally significant parameters including physicochemical properties (pH, EC, colour, turbidity and hardness), major and minor ions (Ca2+, Mg2+, Cl-, F-, and CN-) and trace elements (B, Sb, As, Cd, Cr, Cu, Pb, Hg, Ni, Se, and Mn). The vast majority of the parameters appeared in values below the maximum admissible concentration for potable waters. Individual elevated concentrations of B and may be attributed to natural (geogenic) factors related with local lithology and anthropogenic influences possibly deriving from agricultural practices (excessive use of N-fertilizers). The assessments of the analytical results were validated with the use of PoS index, which classified nearly all samples of low to medium quality degradation and outlined the dominant triggering parameters affecting the hydrogeochemical status. These parameters included, apart from ammonium and boron, chromium, fluoride and nitrates. PoS index proved to be a versatile tool to communicate environmental information of groundwater quality characteristics, especially in environmental monitoring projects, since it abets to understand the overall evaluation of water quality. In addition, PoS application offers a valuable alternative for on-the-spot comprehensive and comparative analysis of all available water quality data, and may be used as a screening tool for environmental assessment applications.
机译:2012年10月,从Thermi市政府(希腊北部马其顿中部)的供水网络收集了二十七(27)个自来水样品,以便根据欧洲法规和国际标准评估其水文地球化学特征和总体质量状况。分析了样品中总共25个对环境有意义的参数,包括理化特性(pH,EC,颜色,浊度和硬度),主要和次要离子(Ca2 +,Mg2 +,Cl-,F-和CN-)和微量元素(B ,Sb,As,Cd,Cr,Cu,Pb,Hg,Ni,Se和Mn)。绝大多数参数的值低于饮用水的最大允许浓度。硼的个别浓度升高,可能归因于与当地岩性有关的自然(地质)因素和可能来自农业实践(过量使用氮肥)的人为影响。使用PoS指数验证了对分析结果的评估,该指数对几乎所有中低质量降解样品进行了分类,并概述了影响水文地球化学状态的主要触发参数。除了铵和硼之外,这些参数还包括铬,氟化物和硝酸盐。 PoS指数被证明是传达地下水质量特征的环境信息的多功能工具,尤其是在环境监测项目中,因为它有助于理解水质的整体评估。此外,PoS应用程序为所有可用水质数据的现场全面和比较分析提供了一种有价值的替代方法,并且可以用作环境评估应用程序的筛选工具。

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  • 来源
    《Desalination and water treatment》 |2016年第25期|11462-11471|共10页
  • 作者单位

    Hellenic Agr Org Demeter, Soil & Water Resources Inst, Sindos 57400, Greece|Aristotle Univ Thessaloniki, Lab Geochem, Dept Mineral Petr Econ Geol, Thessaloniki 54124, Greece;

    Aristotle Univ Thessaloniki, Lab Geochem, Dept Mineral Petr Econ Geol, Thessaloniki 54124, Greece;

    Aristotle Univ Thessaloniki, Dept Civil Engn, Thessaloniki 54124, Greece;

    Aristotle Univ Thessaloniki, Lab Environm Pollut Control, Dept Chem, Thessaloniki 54006, Greece;

    Aristotle Univ Thessaloniki, Lab Geochem, Dept Mineral Petr Econ Geol, Thessaloniki 54124, Greece;

    Aristotle Univ Thessaloniki, Lab Geochem, Dept Mineral Petr Econ Geol, Thessaloniki 54124, Greece;

    Aristotle Univ Thessaloniki, Dept Civil Engn, Thessaloniki 54124, Greece;

    Aristotle Univ Thessaloniki, Lab Environm Pollut Control, Dept Chem, Thessaloniki 54006, Greece;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Groundwater quality; Hydrogeochemistry; Drinking water quality; Environmental monitoring; Thermi Municipality; PoS index;

    机译:地下水质量水文化学饮用水水质环境监测Thermi Municipality PoS指数;

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