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摘要: 文章系统地分析了济南泉域浅层地下水(第四系孔隙水)和地表水的水化学成分和氢氧稳定同位素,并结合当地地形和水文条件,研究了不同地段浅层地下水和地表水的不同补给来源,揭示了浅层地下水与岩溶水的水力联系,得出浅层地下水在市区和东郊以降水入渗补给为主;在西郊和平安店则以岩溶水顶托补给和地表水(河水和水库水)入渗补给为主、当地降水入渗为辅的结论。为保护泉水、优化泉域内地下水开采方案提供了重要依据。Abstract: Hydrochemistry and stable isotopes of shallow groundwater and surface water were systematically analyzed in this paper.Combined with topographical and hydrological conditions,this paper analyzed thoroughly different recharge sources of shallow groundwater and surface water in different areas,and revealed the hydraulic connection between the karst groundwater and the shallow groundwater.The investigation and research results show that the shallow groundwater mainly receives recharge from precipitation in urban area and the eastern suburb;and mainly comes from underlying karst groundwater and surface water in western suburb and Pingandian district.The results may provide important base in protecting the Springs and optimizing groundwater exploitation in the catchment.
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Key words:
- shallow groundwater /
- surface water /
- hydrochemistry characteristics /
- stable isotope
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