神府榆矿区采煤排水对地下水资源量的影响  

Influence of Underground Water Resources by Mining Water Drainage in Shenfu Yukuang Coal Mine Area

作　　者：刘基[1,2,3] 杨建 王强民 

机构地区：[1]煤炭科学研究总院,北京100013 [2]中煤科工集团西安研究院有限公司,陕西西安710054 [3]陕西省煤矿水害防治技术重点实验室,陕西西安710054

出　　处：《煤矿开采》2017年第5期106-109,101,共5页Coal Mining Technology

基　　金：国家重点研发计划(2016YFC0501104;2016YFC0501102)

摘　　要：为研究神府榆矿区采煤排水对地下水资源量的影响,以研究区矿井排水情况为基础,利用1980—2014年研究区内地下水位观测资料,计算了大气降雨入渗补给量,并分析其与煤炭产量之间的关系。结果表明,2000年之前,大气降水入渗补给量比较稳定,2000年之后入渗补给量开始逐年下降。主要原因是煤矿开采的大量排水,引起区域地下水位下降,局部地区超过降雨对地下水补给的最佳埋深,从而增加了降雨入渗过程中蒸发等无效损耗量,减少了有效入渗补给量,最终导致地下水资源量的减少。In order to study influence of underground water resource by mining water drainage,it taking mine drainage as basement,then groundwater level observation data during period of 1980—2014 was utilized,precipitation recharge was calculated and the relationship to coal production was analyzed also. The results showed that,precipitation recharge was stability before year of 2000 and decreased after year 2000. The main reasons were large amount mine water drainage,and groundwater in some region recession,but it exceed the best burial depth of precipitation recharge,then some invalid damage was increased during rain infiltration process,an effectively infiltration recharge was decreased,then groundwater resources was decreased.

关 键 词：采煤排水 地下水资源量 水位观测 大气降雨入渗补给量 地下水位下降 

分 类 号：TD745.21[矿业工程—矿井通风与安全]