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- Title
Influence of coal mining on regional karst groundwater system: a case study in West Mountain area of Taiyuan City, northern China.
- Authors
Qiao, Xiaojuan; Li, Guomin; Li, Ming; Zhou, Jinlong; Du, Jie; Du, Chengyuan; Sun, Zhonghui
- Abstract
Karstic limestone formations in the West Mountain area are important water resources for Taiyuan City in Shanxi Province, northern China, which is also known for its large-scale coal mining production. In this study area, groundwater is not only exploited for water supply purposes but also drained because of coal mining. The process of coal mining changes both the quantity of the karst springs and the quality of karst groundwater system because of overexploitation and overdrainage. In this paper, the influence of coal mining on the groundwater is analyzed from a qualitative and quantitative perspective. The hydrochemical analysis results reflect the relationship of the recharge, runoff, and drainage; the features of the medium; and water-rock interactions. Based on a qualitative understanding of the geological deposition and characteristics of the groundwater flow system, three-dimensional groundwater flow models are established and applied to several scenarios to explore the quantitative influence and allow better protection of the groundwater environment and better utilization of water resources.
- Subjects
WATER chemistry; COAL mine waste; COAL mining &; the environment; WATER table; WELLHEAD protection
- Publication
Environmental Earth Sciences, 2011, Vol 64, Issue 6, p1525
- ISSN
1866-6280
- Publication type
Article
- DOI
10.1007/s12665-010-0586-3