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变化机制和污染源的识别在Fen河流域的地下水质量是由降水驱动的变化机制

Zhibin Li¹, Chengpeng Lu², Yong Zhang³

¹College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China.

The Science of the total environment

|September 1, 2024

概括

芬河流域的地下水一般很好,但人类活动和自然因素增加了和等污染物的健康风险. 有效的管理对于洛斯高原至关重要.

科学领域:

环境科学环境科学
水文地质学水文地质学
公共卫生公共卫生

背景情况:

地下水污染对人类健康和生态系统构成风险,但其机制和对人类健康的影响仍然不明朗.
有效的地下水管理和监测受到污染物动态和风险分布的不完全知识的阻碍.
芬河流域 (FRB) 在评估和管理地下水质量和相关健康风险方面面临挑战.

研究的目的:

评估芬河流域 (FRB) 中的地下水质量,人类健康风险和污染源.
了解地下水质量的时空变化,并确定关键的风险因素.
为控制流域规模的地下水污染提供科学基础.

主要方法:

使用水质指数进行地下水质量评估.
通过饮用水通道对主要污染物 (As,F,NO3-,Cr) 的人类健康风险评估.
使用水化和同位素标记物来区分自然和人为影响的来源追踪.
分析影响污染物度的水地化学条件和环境过程.

主要成果:

大约87%的FRB地下水样本在干旱和雨季均被评为"优秀"或"良好".
在太原盆地部分地区观察到来自矿井排水的严重污染,水质指数值超过限值.
人类健康风险主要来自As,F,NO3和Cr,从2019年至2020年观察到的趋势越来越大.
(As) 和 (F) 主要来自地质来源,而 (NO3-) 和 (Cr) 则受到人类活动的重大影响.
自然过程,如蒸发和阴离子交换,以及水地化学条件,影响污染物水平.

结论:

虽然FRB的地下水质量整体良好,但局部严重污染存在.
特定污染物对人类健康风险的增加需要有针对性的管理策略.
区分污染源 (地质与人为) 是有效控制地下水污染的关键.
综合的水化和同位素分析为了解地下水污染动态提供了强大的方法.

关键词:

芬河流域盆地芬河流域地下水质量地下水质量评估健康风险评估健康风险源标识来源的标识.

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