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Study on Groundwater Resource Development of Piedmont Alluvial Plain in Baying River

Author: FengLinChuan
Tutor: ZhangJun；QianHui；LiXiaoLin
School: Chang'an University
Course: Geological Engineering
Keywords: Groundwater resources exploitation Water point Numerical simulation Alluvial Plain Baying River
CLC: P641.8
Type: Master's thesis
Year: 2011
Downloads: 55
Quote: 1
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Abstract


Delingha is the important component part of China’s Industry Energy Base in Caidamu city which located in the southeast area of Chaidamu basin in Qinghai province. With the rapid economic development in recent years, the demand for water resources sharply increased, which has caused many ecological environment problem like the groundwater level drops, large spring outcrop fallback, land sandification, and the area of oasis gradually deflating, activated local sandy land. Therefore, the study on environment effects caused by the interaction in exploitation of groundwater sources and protection of the ecological environment, as well as regional and national economic development.On the basis of the analysis and study of the geology and hydrogeology of the studied area, the geophysical and surface mapping methods were used in the key area, it is believed the formation and distribution of groundwater in the area are mainly controlled by neo-tectonics and deposition environment since Cenozoic. The northern mountain is the source area of groundwater and surface water.The basin areas is the collection center of groundwater and surface water.Through the arid inland Northwest region and the Delingha Basin,the ecological vegetation has been cstablished through analysed the vegetation development and the groundwater level depth in this area。Using hydrogeology analysis methods and analysis of groundwater flow system established regional hydrogeological conceptual and mathematical models, annumerical analysis of these models are made with the aid of processing Modflow Pro groundwater flow simulation software, based on exploitation-scale pumping test data, the identification and validation of this model are worked out.Based on the numerical model of speepage system of groundwater, the dynamic response of every water resources exploration plan have been predicted and analysed,and studied the mutual influence as well as to the environment influence in this Water-source field, and at last, the reasonable development degree and permission yield were obtained.This is the study to establish the numerical model of seepage systerm of groundwater to study the mutual exploitation of Water-sourece fild and impacts on the ecological environment, an sustainable exploitation mode on utilization of groundwater was proposed, research results have reference value for the groundwater resources development and the ecological environmental protection in Delingha area, and provide reference model and experiences for socio-economic, ecological and environmental development in Delingha areas.

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CLC: > Astronomy,Earth Sciences > Geology > Hydrogeology and Engineering Geology > Hydrogeology (groundwater hydrology ) > Groundwater resource management
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