| 硫氧同位素示踪污染物来源在济南岩溶水中的应用 |
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| 作者姓名： | 张海林 王重 逄伟 滕跃 齐欢 |
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| 作者单位： | 山东省地质矿产勘查开发局八○一水文地质工程地质大队,济南 250014 |
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| 基金项目： | 山东省地质勘查优选“济南岩溶地下水污染机理研究及风险评价(编号: 2015-34)”项目资助 |
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| 摘 要： | 近年来,济南岩溶水硫酸盐浓度逐年升高,为了对硫酸盐污染区域实施有效的防治措施,保障饮用水安全,识别硫酸盐的污染来源极其重要。在系统分析研究区水文地质条件的基础上,根据实际的采样测试数据,采用硫、氧(S、O)双同位素示踪技术,分析识别了济南趵突泉泉域硫酸盐的主要污染来源,并通过IsoSource质量守恒模型,估算了硫酸盐各污染来源的贡献率。结果表明: 泉域内硫酸盐主要污染来源有大气沉降、污水和土壤; 大气沉降来源贡献率最大,均值达到53.9%; 其次是污水来源,均值为31%; 土壤来源贡献率最小,均值为15.1%。该研究为北方岩溶区地下水硫酸盐来源的定量研究提供了一种新方法,为济南趵突泉泉域硫酸盐污染防治提供了科学依据。
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| 关 键 词： | 硫氧同位素 岩溶水 趵突泉泉域 |
| 收稿时间： | 2018-06-21 |
Using sulfur and oxygen isotope to trace the source of sulphate in Baotuquan spring area of Jinan |
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| Authors: | ZHANG Hailin WANG Zhong PANG Wei TENG Yue QI Huan |
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| Institution: | 801.Hydrogeological Engineering Team, Shandong Provincial Bureau of Geology & Mineral Resources, Jinan 250014, China |
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| Abstract: | In recent years, sulphate concentration of karst water in Jinan is increasing. In order to effectively prevent sulphate pollution and guarantee the safety of drinking water, it is very important to identify the source of sulphate pollution. Based on the systematic analysis of hydrogeological conditions in the study area, the authors identified the major sulphate pollution sources in Baotuquan spring area of Jinan by using sulfur and oxygen isotope technology according to the actual sampling data. The contribution rates of sulphate pollution sources were estimated by IsoSource mass conservation model. The results show that the major sulphate pollution sources were atmospheric sedimentation, sewage and soil. Among them, the contribution rate of atmospheric sedimentation source is the largest, with an average value of 53.9%, followed by sewage source, with an average value of 31%, and the contribution rate of soil source is the smallest, with an average value of 15.1%. This study provides a new method for the quantitative study of sulphate sources of groundwater in northern karst areas, and provides a scientific basis for the prevention and control of sulphate pollution in Baotuquan spring area of Jinan. |
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| Keywords: | sulfur and oxygen isotopes karst water Baotuquan spring area |
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