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关于矿区土壤,植物和水中的迁移途径和同位素组成的研究
Jing Kong1, Qingjun Guo2, Rongfei Wei2
1School of Environmental and Chemical Engineering, Jiangsu Ocean University, Jiangsu Province, Lianyungang 222000, China; Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China.
Journal of hazardous materials
|May 2, 2025
概括
采矿污染影响 (Zn) 同位素的追踪. 尾矿是主要的源,化驱动在土壤,植物和河流中迁移,影响同位素特征.
科学领域:
- 环境科学 环境科学
- 地质化学 地质化学
- 同位素地球化学 同位素地球化学
背景情况:
- 同位素追踪对于理解 (Zn) 迁移至关重要.
- 在采矿区的迁移过程中,同位素的分离使追踪精度复杂化.
- 矿山污染的卡斯特地区带来了复杂的环境挑战.
研究的目的:
- 为了调查 Zn 的来源,迁移途径和在中国的岩采矿区的同位素分离.
- 确定环境介质中同位素变化的主要驱动因素.
- 评估不同过程对沿着土壤-植物-河流连续的 Zn 同位素组成的影响.
主要方法:
- 系统地收集末端成员和环境样本 (土壤,植物,水).
- 分析重金属度和 Zn 的同位素特征.
- 对的迁移路径和相关的同位素分离的全面调查.
主要成果:
- 矿山尾矿被确定为污染的主要来源.
- ZnS气候变化是土壤中 Zn 同位素变化的主要驱动因素.
- 涉及选择性运输重同位素的流失,控制了 Zn 在土壤-植物-河流系统的迁移.
结论:
- 在采矿影响的岩环境中,同位素的追踪需要仔细考虑分化过程.
- 疏散是控制同位素分布的关键机制,而不是保留过程.
- 这些发现提高了对循环的理解,并为采矿地区的污染控制策略提供了信息.
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