煤炭开采对多层水表系统的水地化学影响:在中国林矿区的案例研究
Qiding Ju1, Youbiao Hu1, Qimeng Liu1
1Coal Industry Engineering Research Center for Exploration and Early Warning of Mine Water Disaster, School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China.
Ecotoxicology and environmental safety
|November 29, 2025
概括
煤炭开采通过改变水地化学过程污染了地下水. 矿山水位的上升威胁着水层,增加了洪水风险和水层间的污染.
科学领域:
- 环境科学 环境科学
- 水文地质学 水文地质学
- 地质化学 地质化学
背景情况:
- 煤炭开采对多层水表系统的地下水质量构成重大威胁.
- 了解水地化学过程对于矿区的水资源管理至关重要.
研究的目的:
- 调查林矿区煤炭开采引发的水地化学过程和进化途径.
- 确定影响地下水质量的关键矿物质和地化学反应.
- 确定地下水流失模式及其对含水层相互作用的影响.
主要方法:
- 矿物学分析 矿物学分析
- 收集和分析水地化学数据.
- 反向地质化学建模的方法
主要成果:
- 确定了碳酸盐矿物质,石膏和粘土矿物质作为主要反应物.
- 确定溶解/沉,硫酸盐降解和离子交换作为主要过程.
- 揭示了三种不同的流水模式:断层控制,反斜率引导和采矿诱导的充电.
- 在浅孔水,含煤的砂岩水和石灰岩水之间展示了相互作用.
结论:
- 废弃矿山的水位上升加剧了洪水风险和交叉水表污染.
- 煤炭开采活动对石炭时期的石灰岩含水层构成重大威胁.
- 这些发现为预测水质演变和在复杂的采矿环境中管理水资源提供了见解.
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