来自燃煤热电厂的河流沉积物金属污染:空间季节性变化,生态风险和来源分配
Memet Varol1, Muhammet Raşit Sünbül2
1Malatya Turgut Özal University, Agriculture Faculty, Aquaculture Department, Malatya, Türkiye.
Environmental research
|December 10, 2025
概括
土耳其托马河的金属污染在发电厂和矿山附近很高,,和是主要污染物. 沉积物有机物影响金属积累,污染源于混合和直接的人为来源.
科学领域:
- 环境科学 环境科学
- 地质化学 地质化学
- 生态毒理学 生态毒理学
背景情况:
- 河流沉积物是生态系统健康的关键指标.
- 土耳其的托马河面临着煤炭发电厂和采矿等工业活动的潜在金属污染.
- 了解金属污染动态对于环境管理至关重要.
研究的目的:
- 系统地评估Tohma河沉积物中的10种金属的空间季节变化,污染水平和生态风险.
- 确定控制因素并确定金属污染的来源.
- 评估对盆地生物的潜在危害.
主要方法:
- 在河流沉积物中对10种金属进行空间季节分析.
- 应用各种污染指数 (EF,Igeo,Cf,NPI,PLI,NRI,RI,TRI,mPEC-Q). 这些指数包括:
- 包括集群分析和APCS-MLR受体模型在内的统计分析用于来源分配.
主要成果:
- 在工业设施 (T1-T4) 附近的地点观察到金属度升高 (Ni,Cd,Cr).
- 沉积物有机物显著影响了金属积累.
- 在APCS-MLR模型中,混合起源 (56.69%) 和直接人为来源 (43.31%) 被确定为主要污染贡献者.
结论:
- 托马河表现出严重的金属污染,特别是在T1-T4地点,是由人为活动驱动的.
- 和对盆地生物构成中度至重大生态风险.
- 针对工业排放和采矿业务的有效污染控制战略对于降低风险至关重要.
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