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Down-movement of the fresh-saline groundwater interface in the middle of the Hebei Plain under the condition of exploitation
Author(s): 
Pages: 44-46,52
Year: Issue:  1
Journal: HYDROGEOLOGY & ENGINEERING GEOLOGY

Keyword:  河北平原中部地下水咸淡水界面;
Abstract: 河北平原中部上层咸水入侵下层淡水已造成局部地下水污染,本文调查统计了地下水质监测资料和2700多眼深井孔的测井物探资料.以水化学方法和数理统计方法,从水文地质条件和地下水开采利用状况入手,对研究区咸淡水界面下移的机理进行了分析.结果认为,咸淡水界面从20世纪70年代以来年均下移约0.4m,开采地下水造成上下层水头压力变化,加大上部浅层水向下越流是其主要原因之一.
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