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It is generally believed that the karst development, weak geotechnical property and rapid changes in hydrodynamic conditions of groundwater are the main factors to cause karst collapses, while we have insufficient understanding of the hydrochemical actions. Exploitation of groundwater has accelerated the process of partial water cycle, in addition that, water quality environment's changement such...
On the base of expatiation the background of hydrogeology in Hengshui area, the chemical character of the shallow salt water is explained by the classification methods such as Shoka Lev and SuLin according to the data of samples in the paper. We have discussed the genesis mechanism by using cluster analysis, factor analysis, hydro-geochemical parameters and geologic interpretation. It reaches conclusions...
Effects on volatile and semi-volatile organic compounds in water have been studied by comparison of three sampling methods, which were applied in typical groundwater contaminated site. The results show that depth-set and on-site technique of sampling is stable and better than both bailer sampler and peristaltic pump in gathering VOCs in water. The extent of loss on VOCs during collecting samples is...
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