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土壤微塑料的风险评估和分区在一个典型的大城市,中国

Yanqing Wang¹, Sophia Shuang Chen², Guanghui Zheng²

¹College of Geographical Sciences, Nanjing University of Information Science & Technology, Nanjing 210044, China; Changwang School of Honors, Nanjing University of Information Science & Technology, Nanjing 210044, China.

Journal of hazardous materials

|June 12, 2025

概括

微塑料 (MP) 污染对城市土壤和健康构成风险. 这项研究绘制了南京的PM风险图,确定了西部地区和特定城市区域的热点,指导了有针对性的污染控制战略.

科学领域:

环境科学环境科学
城市生态城市生态学
污染控制污染控制

背景情况:

微塑料 (MP) 是新兴的污染物,对城市土壤生态系统和人类健康构成潜在威胁.
了解MP的空间分布和风险因素对于有效的城市环境管理至关重要.

研究的目的:

量化评估微塑料的风险,并确定关键影响因素在南京,一个大城市.
划定城市土壤微塑料污染的不同风险水平和具体管理需求的区域.

主要方法:

利用定量模型和地理统计分析来评估微塑料的风险.
确定了污染热点,并分析了诸如兴趣点 (POI) 和土壤特性等因素的影响.
根据微塑料度和聚合物风险对风险区域进行分类.

主要成果:

微塑料风险表现出显著的空间变化,南京西部的度更高.
住宅,政府和工业区被确定为主要的污染热点.
与洗相关的POI和土壤特性是影响微塑料风险的重要因素.

结论:

确定了不同的风险区:HRCZ-CP (商业/人口密集地区),HRCZ-NH (近水) 和HRCZ-H (公共绿地),每一个都需要定制管理.
建议有针对性的策略,包括监测人为排放,控制排放和管理土壤MP保留.
这项研究为主动和有针对性地管理城市土壤微塑料污染提供了一个框架.

关键词:

微塑料是一种微塑料.污染区域划分污染区域划分风险评估风险评估风险评估城市土壤城市土壤

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