Comprehensive benefit evaluation of water resources in irrigation district based on matter element extension model
TIAN Lang1, LIU Yongqiang1, WANG Zhen2, CAO Ruizhe3, XIAO Junlong1
1.College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing, Jiangsu 210098, China; 2.College of Hydrology and Water Resource, Hohai University, Nanjing, Jiangsu 210098, China; 3.Key Laboratory of Southern Area of Efficient Irrigation Drainage and Agricultural Soil and Water Environment of Ministry of Education, Nanjing, Jiangsu 210098, China
Abstract:In order to evaluate the comprehensive benefit of water resources in irrigation district,the evaluation model was established by using the matter element extension theory, which took the comprehensive benefit of water resources, characteristic and the corresponding characteristic value as a matter element. Evaluation index system was established by taking three aspects:economic benefit, social benefit and ecological environment benefits into consideration. The weight of index was determined by its contribution rate to the comprehensive benefit of water resources.Furthermore, five-level evaluation criteria were proposed. Taking the Zhanghe irrigation district of Hubei Province as an example, the established model was used to evaluate the comprehensive benefit of water resources of it in 2013.The evaluation results were verified by local sensitivity analysis method and the conclusion shows that evaluation results are accurate and reliable,with a good sensitivity.Evaluation results show that the comprehensive benefit of water resources in Zhanghe irrigation is "general" in 2013.At the same time, it can be seen that social benefit and environmental benefit are slightly worse than economic benefit of water resources in this irrigation district.It is seen that the matter element extension model has good practicality and scientifical siginificance in comprehensive benefit evaluation of water resources.
田浪, 刘永强, 王珍, 曹睿哲, 肖俊龙. 基于物元可拓模型的灌区水资源综合效益评价[J]. 排灌机械工程学报, 2016, 34(4): 351-356.
TIAN Lang, LIU Yongqiang, WANG Zhen, CAO Ruizhe, XIAO Junlong. Comprehensive benefit evaluation of water resources in irrigation district based on matter element extension model. Journal of Drainage and Irrigation Machinery Engin, 2016, 34(4): 351-356.
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