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首页> 外文期刊>Journal of Hydroinformatics >Receiving water body quality assessment: an integrated mathematical approach applied to an Italian case study
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Receiving water body quality assessment: an integrated mathematical approach applied to an Italian case study

机译：接收水体质量评估：一种用于意大利案例研究的综合数学方法

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摘要

This study presents a basin-scale approach to the analysis of receiving water body quality considering both point and non-point pollution sources. In particular, this paper describes an extensive data gathering campaign carried out in the Nocella catchment, which is an agricultural and semi-urbanised basin located in Sicily, Italy. Two sewer systems, two wastewater treatment plants and a river reach were monitored during both dry and wet weather periods. A mathematical model of the entire integrated system was also created. Specifically, a detailed modelling approach was developed by employing three well known models: Storm Water Management Model, GPS-X and Soil and Water Assessment Tool. The study proposed a comprehensive modelling approach to analyse the importance of diffuse and concentrated polluting sources on receiving water quality. The study demonstrated that point pollution loads can be more influential during wet periods by an order of magnitude compared with the dry weather period, in the long term, diffuse and point pollution sources were demonstrated to affect river quality and they have both to be considered. The use of the proposed integrated model-based approach may support water managers in decision making about which strategies should be preferred with the aim of water quality preservation.
机译：这项研究提出了一种流域规模的方法，在考虑点污染和非点污染源的情况下对接收水体质量进行分析。特别是，本文描述了在Nocella流域开展的大规模数据收集活动，该流域是位于意大利西西里岛的农业和半城市化流域。在干旱和潮湿天气期间，都监测了两个下水道系统，两个废水处理厂和一条河段。还创建了整个集成系统的数学模型。具体而言，通过采用三个众所周知的模型开发了详细的建模方法：雨水管理模型，GPS-X和土壤和水评估工具。该研究提出了一种综合的建模方法来分析分散和集中污染源对接收水质的重要性。研究表明，与干旱时期相比，点污染负荷在潮湿时期的影响程度可能比干旱时期高一个数量级。从长期来看，已证明散布污染源和点污染源会影响河流水质，因此必须将两者同时考虑。所提出的基于模型的综合方法的使用可以支持水管理者进行决策，以便以水质保护为目标选择哪种策略。

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