Risk Assessment of Groundwater Environment for Irrigation District in Western Jilin Province Based on Catastrophe Theory
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    Abstract:

    As irrigation water for irrigation area, irrigation return water supply from surface water was prone to soil secondary salinization. Four evaluating elements and seventeen evaluating factors, including the natural condition, water environment, soil environment and socio-economic environment, were chosen to constitute the index system of groundwater environment for irrigation district in western Jilin province. The catastrophe theory was used in analyzing the groundwater environment. The analysis results show that Wujiazi irrigation district, Daan irrigation district and Songyuan irrigation district belong to the slight risks. The risk values were 0.9206, 0.9303 and 0.9196, respectively. Groundwater environment for irrigation district in western Jilin had some risk.

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  • Online: December 31,2012
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