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Study on Hydro-Geochemical Action during Seawater Intrusion
On the basis of hydrogeology investigation, the groundwater, river water, seawater and the medium in the lower reaches of the Dagu River were collected respectively, their compositions and nature were determined, then the permeability and the regularity of the main ions were determined during simulating seawater intrusion with transfusion installment. Finally, hydro-geochemical action was studied with the numerical simulation method during seawater intrusion. The result indicts that the mineral dissolution and precipitation take place with ion exchanges, Calcite is in a supersaturated situation after the percent of seawater reaches 40%; the saturation index of Gypsum arises gradually at first, and then decreases after the peak, finally it increases again but it is always in unsaturated condition from beginning to the end.
Study on Hydro-Geochemical Action during Seawater Intrusion
On the basis of hydrogeology investigation, the groundwater, river water, seawater and the medium in the lower reaches of the Dagu River were collected respectively, their compositions and nature were determined, then the permeability and the regularity of the main ions were determined during simulating seawater intrusion with transfusion installment. Finally, hydro-geochemical action was studied with the numerical simulation method during seawater intrusion. The result indicts that the mineral dissolution and precipitation take place with ion exchanges, Calcite is in a supersaturated situation after the percent of seawater reaches 40%; the saturation index of Gypsum arises gradually at first, and then decreases after the peak, finally it increases again but it is always in unsaturated condition from beginning to the end.
Study on Hydro-Geochemical Action during Seawater Intrusion
Ren, Jia-Guo (author) / Wu, Qian-Qian (author) / Han, Zuo-Zhen (author) / Li, Li (author) / Wang, Qi-Fang (author)
2012
4 Seiten
Conference paper
English
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