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Influence of Coal mining on Groundwater Resources and Groundwater Vulnerability Assessment

ZHANG Wei(School of Resources and Saftey Engineering,China University of Mining and Technology(Beijing),Beijing 100083,China)  
Because of a large number of coal mining,groundwater resources in quantity and quality have been seriously affected.And the dynamic balance of water and ecological environment were destroyed.On the one hand,the paper analyzes the destruction of mining on groundwater,on the other hand,by the groundwater vulnerability assessment,the paper warns people adopting effective measures to protect groundwater resources when exploitation and utilization of coal resources.
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