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《Journal of Arid Land Resources and Environment》 2008-08
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Analysis on the Variation of Groundwater Recharges and Levels in the Shulehe River Basin after the Changma Reservoir Running

MA Fu-cun(Institute of Hydrogeology and Engineering Geology,Gansu Provincial of Geology and Mineral Exploration and Development,Zhangye 734000,China)  
Through analyzing the variation of the groundwater recharge and dynamic groundwater table in the different period in the Shulehe River basin before and after the running of Changma reservoir,It was expounded that the recharging trend of the groundwater of the basins in the Shulehe River basin was decreased and the groundwater table dropped in the area obviously.When the Changma reservoir was running the groundwater recharge to Yumentashi basin in the middle reaches of the Shulehe River basin was reduced obviously.Comparing with 60s and 90s of the last century the groundwater recharge reduced about 3.111×108m3 and 2.949×108m3.The groundwater recharge to Anxidunhuang and Huahai basin was increased a little.The spring overflow in front of Changma proluvial fan reduced about 53.2 percent.In every basin at the groundwater recharge reduced areas the groundwater table dropped,on the contrary the level rose.As the groundwater recharge increased or reduced the ground water table rose or dropped.
【CateGory Index】: P641.2
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