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区域污染源的分配和Zunyi主要流域的排放门的确定:对环境管理的影响

Keke Zhao¹, Yujin Gan¹, Chen Li¹

¹Beijing Key Lab for Source Control Technology of Water Pollution, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China; Hebei Province Key Laboratory for Emerging Contaminant Remediation and Risk Prevention and Elimination, Beijing Forestry University, Xiong'an New Area, Hebei, 072350, China.

Environmental pollution (Barking, Essex : 1987)

|June 8, 2025

概括

农业非点源是Zunyi市的主要水污染源.

科学领域:

环境科学环境科学
水质管理水质管理
污染控制污染控制

背景情况:

位于长江经济带内的津市,在武江和水流域经历了大量的水污染.
有效的水环境管理需要了解水质动态和污染源.

研究的目的:

分析从2021年到2023年的水质变化在Zunyi市的Wujiang和Chishui流域.
估计污染物排放量,在不同季节追踪主要污染物,并为有针对性的污染控制制定排放门.
评估正矩阵因子化 (PMF) 模型对源分配的有效性.

主要方法:

从2021年到2023年进行水质分析.
2022年污染物排放估计,综合城市非点源和森林土壤侵蚀.
使用正矩阵因子化 (PMF) 模型进行污染源分配.
确定主要污染物 (COD,NH3-N,TN,TP) 的区域排放门.

主要成果:

农业非点源,特别是牲畜和作物种植,被确定为主要的污染驱动因素.
城市非点源对流域污染的贡献较小.
干旱和森林土壤侵蚀等自然因素,特别是在洪水期间,加剧了污染.
对于复杂的源分配,PMF模型比APCS-MLR更准确.
几个地区超过了COD,TN和TP的拟议排放门,这表明有关键的污染控制需求.

结论:

农业活动是祖尼市流域污染的主要来源.
森林土壤侵蚀和季节性因素显著影响水质,特别是在洪水事件期间.
该研究为水质管理提供了科学基础,并验证了PMF的来源分配.

关键词:

绝对主要组成部分分数 (APCS)污染源的分配方法污染源的分配方法积极矩阵因子化 (PMF)排放污染物的门.武江和水流域的水域.

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