基于改进TF-IDF算法的灌区水权市场运行效果评价  

Performance Evaluation of Agricultural Water Right Market in Irrigation District Using Improved TF-IDF Algorithm

作　　者：万福兵 代小平[2] WAN Fu-bing;DAI Xiao-ping(North China University of Water Conservancy and Electric Power,Zhengzhou 450046,Henan Province,China;College of Agricultural Science and Engineering,Hohai University,Nanjing 210098,Jiangsu Province,China)

机构地区：[1]华北水利水电大学水利学院,郑州450046 [2]河海大学农业科学与工程学院,南京210098

出　　处：《中国农村水利水电》2022年第6期147-153,共7页China Rural Water and Hydropower

基　　金：国家自然科学基金项目(51609082)。

摘　　要：水权市场是促进水资源优化配置的重要手段,水权市场运行效果评价对指导水权市场建设和运行具有重要意义。从公平、效率和可持续三方面构建水权市场运行效果评价指标体系,采用改进的TF-IDF算法确定指标权重,基于问卷调查和统计数据,对石羊河流域一个以地表水为主的灌区和一个井灌区的水权市场运行效果进行评价。两个灌区的水权市场运行效果评价为中等,其中“可持续性”指标得分最高,“公平”指标得分最低。井灌区水权市场的运行效果高于以地表水为主的灌区,灌区水权市场运行效果的差异来自水权交易层次、水权监控方式、灌溉水源可靠性、灌溉组织方式等,以地表水为主的灌区的水权市场运行效果在2008-2012年间呈下降趋势,水权交易政策对水权市场运行效果具有重要影响。建议根据水权市场的时空差异采取适宜的水权政策。改进的TF-IDF算法可通过量化分析官员和学者的观点来确定指标权重,为指标权重计算提供新的思路。Water rights market is an important way to promote the optimal allocation of water resources.The evaluation of the performance of water right market(WRM)is vital to the improvement of the market.A performance evaluation index system is established from the aspects of equity,efficiency and sustainability.The TF-IDF algorithm is improved and used to calculate the index weight.Based on the questionnaire survey and statistical data,the performance of WRM in a well-irrigation district and an irrigation district dominated by surface water in Shiyang River Basin is evaluated.The performance of WRM in the two irrigation districts is evaluated to be moderate.The WRMs performs best in sustainability and worst inequity.The WRM in the well-irrigation district performs better than that in the irrigation district dominated by surface water.The performance of WRM in the irrigation district dominated by surface water shows a downward trend from 2008 to 2012.The performance difference of WRM between the irrigation districts is caused by water rights trading level,water rights monitoring mode,irrigation water source reliability and irrigation organization mode.Water rights trading policy has an important influence on the performance of WRM.Appropriate water rights policies should be adopted according to the temporal and spatial differences of the WRM.The improved TFIDF algorithm can determine the index weight through quantitative analysis of the views of officials and scholars,which can provide new ideas for calculating the index weight.

关 键 词：石羊河流域 灌区 水权市场 运行效果 TF-IDF算法 

分 类 号：TV93[水利工程—水利水电工程] S27[农业科学—农业水土工程]