期刊
ENVIRONMENTAL EARTH SCIENCES
卷 64, 期 6, 页码 1513-1523出版社
SPRINGER
DOI: 10.1007/s12665-009-0376-y
关键词
Karst springs drying off; Mine water-inrush; Baimai Spring; North China-type coal field
资金
- National Natural Science Foundation [40772162, 40873006]
- National Major Fundamental Research Program of China (973) [2006CB202205]
- 11th Five-year Plan State Science and Technology Support Projects [2007BAK24B01, 2006BAB16B04]
- Jinan science and technology progress plan [TNK0806]
Environmental damage, to a greater or lesser degree, is caused by coal mining. On the basis of analyzing the hydrogeological conditions of the mining areas, this paper provides a sum-up of the characteristics of water disasters in North China-type Coalfield. Researching into the Baimai Spring group, this paper explores the relation between karst water and groundwater of coal-measure strata, using the methods of pumping test, dynamic observation, and tracer test. After working over the impact of mine water-inrush on spring dynamics, this paper estimates the contributory level of karst water to mining drainage. This paper holds that the mine water-inrush mainly results from karst water, with the fault structures acting as channels; the keys of mine water-inrush are faulty density, intersection and endpoint fault. Finally, this paper suggests that mining below Mine-9 be forbidden, and that below Mine-7 be properly mined, which provides the scientific basis for preserving springs and preventing water disasters in the mining areas.
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