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Aiming at the fact that the hydrochemistry environment of shallow groundwater becomes worse and worse in the past ten years in LuoYang. On the basis of large amounts of test and observation datum, the paper analyze the cause form the lithology of aquifer, the recharge, discharge of groundwater and human engineer activity and make the following conclusion: the purification capacity on many contaminations...
Groundwater vulnerability is basement of evaluating risk of groundwater contamination and groundwater vulnerability assessment is one of management methods for preserving the quality of groundwater. Based on DRASTIC model and GIS techniques, shallow groundwater vulnerability assessment was carried out in Xiangcheng City, China. The results indicate that the studied area can be divided into three zone:...
It applies hydrodynamic Model to simulate COD of sewage around Xiaoyangkou, Rudong City, Jiangsu Province in this paper. Curvilinear orthogonal grid is used in interesting area, and hydrodynamics and water quality model are used to the current velocity field and tidal level field both on case of the spring and the neap tide. The computational results are compared with measured field data around drain...
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