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城市化对地下水补给的影响——以石家庄市为例 被引量:16

The Impact of Urbanization on Groundwater Recharge: a Case Study of Shijiazhuang City
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摘要 城市化对地下水补给的影响对研究城市水循环、水资源供需平衡及地下水超采、防治地下水水质恶化 ,以及揭示两大主要地下水环境问题 (地下水超采与水质恶化 )之间的有机联系都具有重要意义。石家庄城市化与地下水之间的相互作用机理研究具有典型示范性。本文以石家庄市为例 ,在分析地下水在城市供水中的作用及其开发利用基础上 ,通过研究城市化影响地下水补给的变化规律 ,进一步探讨了城市化对地下水补给的影响机理 ,最终建立城市化影响下地下水补给增量的诱发机理框图。研究结果表明 ,城市化会导致地下水补给量的增加 ;地下水开采诱发产生对城市周围井场和地表水的袭夺以及城市供、排水系统渗漏所造成的新补给源的引入是城市化诱发产生地下水补给增量的重要机理。 With the rapid urbanization, groundwater has been playing a more and more important role. The study on the impact of urbanization upon groundwater recharge is of great significance not only in studying the hydrologic cycle, supply-demand balance and groundwater overexploitation but also in preventing and controlling the deterioration of groundwater quality and in revealing the relationship between overexploitation and water quality deterioration, the two main problems in groundwater environment. The study on the interaction mechanism between urbanization and groundwater constitutes a typical example. In this paper, based on the analysis of the importance of groundwater in water supply of the city as well as the exploitation and utilization of groundwater, the author studied the change of groundwater recharge under the impact of urbanization, and then discussed the impact mechanism of urbanization on groundwater recharge. On such a basis, a frame-figure on the mechanism inducing the increment of groundwater recharge was constructed. The results show:① urbanization results in the increase of groundwater recharge;②the inducing of groundwater from the well-field around the city and surface water by exploitation of groundwater and the importing of new recharge sources that results from the leakage of water-supply and water-discharge systems of the city seem to be the important mechanism that induces the recharge increase of groundwater by urbanization.
作者 于开宁
出处 《地球学报》 EI CAS CSCD 北大核心 2001年第2期175-178,共4页 Acta Geoscientica Sinica
基金 河北省科学技术研究计划项目! (9745 72 2 9D) 国家外国专家局重点项目! (982 0 0 77)资助
关键词 城市化 地下水补给 补给增量 新补给源 开发 利用 城市供水 urbanization groundwater recharge recharge increment new recharge sources
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