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首页> 外文期刊>The Science of the Total Environment >A new methodology to identify surface water bodies at risk by using pesticide monitoring data: The glyphosate case study in Lombardy Region (Italy)
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A new methodology to identify surface water bodies at risk by using pesticide monitoring data: The glyphosate case study in Lombardy Region (Italy)

机译：通过使用农药监测数据来识别处于危险中的地表水体的新方法：意大利伦巴第大区的草甘膦案例研究

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摘要

In the last decades, several monitoring programs were established as an effect of EU Directives addressing the quality of water resources (drinking water, groundwater and surface water). Plant Protection Products (PPPs) are an obvious target of monitoring activities, since they are directly released into the environment One of the challenges in managing the risk of pesticides at the territorial scale is identifying the locations in water bodies needing implementation of risk mitigation measures. In this, the national pesticides monitoring plans could be very helpful. However, monitoring of pesticides is a challenging task because of the high number of registered pesticides, cost of analyses, and the periodicity of sampling related to pesticide application and use. Extensive high-quality data-sets are consequently often missing. More in general, the information that can be obtained from monitoring studies are frequently undervalued by risk managers. In this study, we propose a new methodology providing indications about the need to implement mitigation measures in stretches of surface water bodies on a territory by combining historical series of monitoring data and GIS. The methodology is articulated in two distinct phases: a) acquisition of monitoring data and setting-up of informative layers of georeferenced data (phase 1) and b) statistical and expert analysis for the identification of areas where implementation of limitation or mitigation measures are suggested (phase 2). Our methodology identifies potentially vulnerable water bodies, considering temporal contamination trends and relative risk levels at selected monitoring stations. A case study is presented considering glyphosate monitoring data in Lombardy Region (Northern of Italy) for the 2008-2014 period.
机译：在过去的几十年中，由于欧盟指令对水资源质量（饮用水，地下水和地表水）的处理，建立了一些监测计划。植物保护产品（PPP）是监测活动的明显目标，因为它们直接释放到环境中，在领土范围内管理农药风险的挑战之一是确定水体中需要采取缓解风险措施的位置。在这方面，国家农药监测计划可能会很有帮助。但是，由于农药注册数量高，分析成本高以及与农药施用和使用有关的采样周期，农药监测是一项艰巨的任务。因此，经常缺少大量的高质量数据集。一般来说，可以从监视研究中获得的信息经常被风险管理者低估。在这项研究中，我们提出了一种新的方法，该方法通过结合历史系列的监测数据和GIS，为在某个地区的地表水体中实施减缓措施提供了指示。该方法分两个不同阶段进行：a）采集监测数据并建立地理参考数据的信息层（阶段1），b）统计和专家分析以识别建议实施限制或缓解措施的区域（阶段2）。我们的方法确定了潜在脆弱的水体，同时考虑了选定监测站的时间污染趋势和相对风险水平。提出了一个案例研究，其中考虑了伦巴第地区（意大利北部）2008-2014年期间的草甘膦监测数据。

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