Diagnosis and Optimization of Water Resources Spatial Equilibrium in the Yellow River Basin
This paper establishes the water resources'spatial equilibrium diagnosis and optimization coupling model of the Yellow River Basin to diagnose the water resources'spatial equilibrium level of the basin from 2011 to 2020 and proposes the corresponding optimization scheme according to the diagnosis problem.The results show that:①The spatial distribution of water resources in the Yellow River basin is not balanced,and there is an imbalance in water supply and consumption in various provinces.②The water supply in Gansu,Ningxia,Inner Mongolia,Shanxi,Shaanxi,Henan and Shandong de-creased by at least 168 million m3,88 million m3,249 million m3,51 million m3,44 million m3,139 million m3 and 160 million m3 respectively;the water consumption in Qinghai,Sichuan,Gansu,Ningxia,Inner Mongolia,Shanxi,Shaanxi,Henan and Shandong will be reduced by at least 18 million m3,59 million m3,243 million m3,164 million m3,564 mil-lion m3,37 million m3,67 million m3,196 million m3 and 146 million m3 respectively,which can improve the imbalance of water supply and water consumption in river basins.③After the spatial distribution of water resources in the basin is bal-anced,the scale of water supply and consumption will be reduced by nearly 9 billion m3,and the structure will be further optimized.
water resources spatial equilibriumdiagnosisoptimizationmulti-objective programmingYellow River Basin
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