Study on water resources value in the intake area of the South-to-North Water Diversion Project based on water resources optimization
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Abstract:
Quantitative analysis on water resources value is of great significance to establishing a scientific and reasonable water price system and to alleviating the contradiction between supply and demand of water resources. We used the benef it sharing coefficient method to calculate the net benefit of industrial and agricultural unit water use in the intake area of the South-to-North Water Diversion Project（SNWDP) . Taking maximization of net benefit as the objectiv efunction, we established an optimal allocation model for water resources with water supply and demand as well as water diversion canal capacities as const raints. Linear programming method was applied in optimizing the model and calculating the shadow prices of local water resources in the subareas of the intake area of the SNWDP. For the intake area of the eastern route of the SNWDP, the shadow prices of water resources in the South of Yellow River, Shandong Peninsula, and North of Yellow River were 1.00 Yuan/m3 , 4.31 Yuan/m3 and 3.89 Yuan/m3 , respectively. For the intake area of the middle route of the SNWDP, the shadow prices of water resources in Henan, Hebei, Beijing , and Tianjin were 3.67 Yuan/m3, 4.41 Yuan/m3 , 2.20 Yuan/m3 and 2.19 Yuan/m3 , respectively . The results were the theoretical values of water resources, and could provide scientific support for establishing water price standards and improving water price system in the intake area of the SNWDP.
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