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Study on Quantification Method for the Risk of Groundwater Environment Pollution Caused by Sewage Irrigation


Affiliations
1 School of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou, Henan, 450045, China
 

Pollution by sewage irrigation of groundwater environment is slow and imperceptible. The pollution risk accumulated gradually, and the reasons for it are very complicated. Pollutants enter the underground aquifer through the leakage, leaching and other ways, and cause groundwater environment pollution. This paper presents the theory and quantification method for the degree of groundwater environment pollution caused by sewage irrigation, based on the study of the way and approach of groundwater environment pollution caused by sewage irrigation, critical content evaluation and current situation evaluation. By establishing the index model of the pollution degree of the groundwater environment, the study makes a quantitative description of the pollution risk of the groundwater environment. Finally, it analyses the study area, and the results show that: its pollution degree is 0.365, which means that the long-term sewage irrigation in the area has less risk to the groundwater environment.

Keywords

Sewage Irrigation, Groundwater Pollution, Risk Quantification.
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  • Study on Quantification Method for the Risk of Groundwater Environment Pollution Caused by Sewage Irrigation

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Authors

Xin Huang
School of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou, Henan, 450045, China
Lin Qiu
School of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou, Henan, 450045, China

Abstract


Pollution by sewage irrigation of groundwater environment is slow and imperceptible. The pollution risk accumulated gradually, and the reasons for it are very complicated. Pollutants enter the underground aquifer through the leakage, leaching and other ways, and cause groundwater environment pollution. This paper presents the theory and quantification method for the degree of groundwater environment pollution caused by sewage irrigation, based on the study of the way and approach of groundwater environment pollution caused by sewage irrigation, critical content evaluation and current situation evaluation. By establishing the index model of the pollution degree of the groundwater environment, the study makes a quantitative description of the pollution risk of the groundwater environment. Finally, it analyses the study area, and the results show that: its pollution degree is 0.365, which means that the long-term sewage irrigation in the area has less risk to the groundwater environment.

Keywords


Sewage Irrigation, Groundwater Pollution, Risk Quantification.

References