Modeling of impact of regional water environment by petrochemical pollution accident in a coastal zone
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Abstract:
Focusing on a certain peninsula in Dalian where petrochemical accidents occur frequently, this research paper illustrates its current regional water environment contamination through the assessment of its groundwater’s quality. Additionally, with establishment of contamination prediction model applied to the area where the water resources that residents use have been polluted, this research predicts temporal and spatial change of petroleum pollutants and its effect on groundwater environment and adjacent sea area. The research results indicate that the polluted groundwater in consequence of the accidents of oil leakage have following features: the polluted area is comparatively large; the duration of pollution is long; the situation of pollution is serious. The pollutants in that site will remove to the sea area in 35 years according to the simulation results, which endangers the marine ecological environment. Above all, the results of this research provide bases for water environment conservation of this area.
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