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张掖市地下水位上升成因分析与对策研究
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摘要
本文选取张掖市为典型内陆河流域城市进行研究。分析结果表明:张掖市地下水位上升受自然因素和人类活动的影响。一方面,受气候变暖以及祁连山水源涵养林的影响,黑河径流量和降雨量均有显著增加,导致对地下水的入渗补给量相应增加。另一方面,由于张掖市城市建设的快速发展影响了原有的地下水循环条件,导致地下水径流畅通性降低。张掖市为应对地下水位上升采取了积极有效的措施,取得了较为明显的效果,可为类似的内陆河流域城市开展地下水水位上升治理提供借鉴。
        Zhangye is selected as continental river basin city for study in the paper. Analysis results show that ground water level increase in Zhangye is influenced by natural factors and human activities. Firstly,runoff volume and rainfall of the Heihe River are significantly increased due to the influence of climate warming and Qilian Mountain water source conservation forest,thereby leading to corresponding increase of ground water infiltration supplementary amount. Secondly,original loop condition of groundwater is affected due to rapid development of city construction in Zhangye,thereby decreasing ground water runoff smoothness. Active and effective measures are adopted for dealing with ground water level increase in Zhangye. More prominent effect is achieved,which can provide reference for controlling ground water level increase in similar cities in continental river basin.
引文
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