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通过多个受体模型和地质探测器的组合,对表面水污染的来源分配和影响因素

Er Yu¹, Yan Li¹, Feng Li²

¹School of Public Affairs, Institute of Land Science and Property, Zhejiang University, Hangzhou, 310058, China.

Environmental research

|October 18, 2024

概括

北上平原的水污染情况各不相同,其中和是主要污染物. 综合性方法将家用污水,农业和工业确定为主要来源,指导有针对性的水资源保护.

科学领域:

环境科学环境科学
评估水质水质的评估.
污染源的分配方式

背景情况:

可持续发展目标 (SDGs) 需要精确的水污染量化和环境相互作用分析,以有效地管理水资源.
北上平原在水质评估和污染源识别方面面临着挑战.

研究的目的:

通过使用Nemerow的污染指数,评估北上平原的地表水质.
使用多个受体模型识别和归因污染源.
使用地质探测器分析探索影响水质的环境相互作用.

主要方法:

利用2023年9月收集的5207个地表水样本,分析了11个物理化学参数.
应用了Nemerow的污染指数来评估水质.
采用了三种受体模型来分配源和对环境相互作用进行地质探测器分析.

主要成果:

表面河流的污染水平各不相同,下游污染程度中等至高,主要是由总 (TN),化学氧气需求 (COD_Cr) 和总 (TP) 推动的.
确定了五个主要的污染源:家庭污水,植物浮游生物,农业种植,工业废水和自然来源.
农业污染控制应侧重于多样化肥料类型,工业和水产养殖活动的结合显著增加了TN,叶绿素 (chl) 和植物 (PC) 的污染.

结论:

多个受体模型和地质探测器的综合方法对评估河水质量具有客观性和可靠性.
这些发现有助于决策者制定有效的水资源保护战略.
有针对性的管理实践至关重要,特别是在农业投入和工业水产养殖综合影响方面.

关键词:

环境因素环境因素地质探测器地质探测器接收器模型模型来源分配的分配方式水的质量水的质量

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