滹沱河超采区地下水硫酸盐来源识别及迁移转化
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Research on Sulfate Source Identification, Migration and Transformation in the Groundwater Over-exploited Area of The Hutuo River Basin
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    摘要:

    近年调查和监测发现,滹沱河超采区地下水中硫酸盐含量日趋增高,范围逐渐扩大,高浓度的硫酸盐主要分布在滹沱河、石津灌渠及黄壁庄水库副坝附近,并有向地下水降落漏斗区扩散的趋势,使该地区水资源矛盾更为突出。本文以滹沱河超采区为研究范围,结合水文地球化学理论开展了野外调查及取样工作,并基于长时间序列、多点位交叉动态监测数据分析以及硫氧同位素技术,研究得出:滹沱河超采区地下水硫酸盐异常与上游地表水有着紧密联系,黄壁庄水库及入流冶河受上游采煤活动影响,硫酸盐含量较高,地表入渗补给造成研究区地下水硫酸盐污染。通过分析研究区地下水硫酸盐的迁移转化特征,建立了滹沱河超采区地下水硫酸盐在地表水-包气带-地下水中的迁移转化模式,指出上游防控是减缓滹沱河超采区地下水硫酸盐污染的有效方式,为石家庄地区的地下水环境污染防治与地下水可持续利用提供了科学依据,具有重要的理论和实际意义。

    Abstract:

    In recent years, it has been found that, the content of sulfate in the groundwater is increasing and the range is gradually expanding in the Over-exploited area of the Hutuo River basin. High concentration of sulfate is mainly distributed in the auxiliary dam of Huangbizhuang reservoir, vicinity of Hutuo River, and Shijin irrigation, and there is a tendency to spread to the groundwater landing funnel area. In this study, the Over-exploited area of the Hutuo River basin was taken as the research object. Field investigation and sampling were carried out combined with the hydrological geochemistry theory. And based on the long time series, multiple point crossover dynamic monitoring data statistical analysis and sulfur oxygen isotope technology, concluded that the groundwater sulfate content anomaly in the over-exploitation area of the Hutuo River is closely related to the upstream surface water. The Huangbizhuang reservoir and the Inflow Ye River are affected by the upstream coal mining activities, resulting in higher sulfate content. The migration and transformation characteristics of groundwater sulfate were analyzed, and established the migration and transformation model of groundwater sulfate in surface water- aeration zone-groundwater. It is pointed out that upstream prevention and control is an effective way to slow down the groundwater sulfate pollution in the Over-exploited area of the Hutuo River basin. It provides scientific basis for the prevention and control of groundwater pollution and the sustainable utilization in Shijiazhuang, which has important theoretical and practical significance.

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田夏,李亚松,费宇红,等. 滹沱河超采区地下水硫酸盐来源识别及迁移转化[J]. 科学技术与工程, 2020, 20(7): 2583-2589.
Tian Xia, Li Yasong, Fei Yuhong, et al. Research on Sulfate Source Identification, Migration and Transformation in the Groundwater Over-exploited Area of The Hutuo River Basin[J]. Science Technology and Engineering,2020,20(7):2583-2589.

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  • 收稿日期:2019-06-02
  • 最后修改日期:2019-11-08
  • 录用日期:2019-09-12
  • 在线发布日期: 2020-04-15
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