| 引用本文: | 张立志,王 昕,谢文鹏,等.基于组合权重-TOPSIS法的灌区节水评价[J].灌溉排水学报,2022,41(S2):65-70. |
| ZHANG Lizhi,WANG Xin,XIE Wenpeng,et al.基于组合权重-TOPSIS法的灌区节水评价[J].灌溉排水学报,2022,41(S2):65-70. |
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| 摘要: |
| 【目的】探究灌区节水水平评价方法，查找山东省不同灌区类型节水短板。【方法】围绕管理节水、工程节水、农业节水3个方面构建灌区节水评价指标体系，采用层次分析法和熵权法确定组合权重，基于组合权重和TOPSIS法分别对山东省14处代表灌区节水水平进行综合评价与排序。【结果】采用主、客观赋权的组合权重为管理节水0.370 1，工程节水0.489 8，农艺节水0.140 1；采用组合权重和TOPSIS法的评价排序基本一致，节水水平均表现为引黄灌区＞引河灌区＞水库灌区。【结论】灌区灌溉效益能否充分发挥是影响不同类型灌区的核心问题，其中工程节水仍是当前灌区节水水平的主要影响因素；山东省灌区在节水考核制度建设落实、执行水价合理性、灌区测墒灌溉普及率方面普遍存在节水短板；基于组合权重等比例换算为百分制应用于灌区节水自评价是可行的。 |
| 关键词: 灌区节水评价；层次分析法；熵权法；组合权重；TOPSIS法 |
| DOI：10.13522/j.cnki.ggps.2022542 |
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| Evaluation of Water Saving in Irrigation District Based on Combination Weight-TOPSIS Method |
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ZHANG Lizhi, WANG Xin, XIE Wenpeng, XU Yuanzhi
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1. Water Resources research Institute of Shandong province, Ji’nan 250013, China;
2. Shandong Irrigation Experiment Central Station, Ji’nan 250013, China
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| Abstract: |
| 【Objective】The purpose of this paper is to explore the method of evaluating the level of water saving in irrigation districts and to find out the shortcomings of water saving in different irrigation district types in Shandong Province.【Method】The irrigation district water saving evaluation index system is built around three aspects: water saving in management, water saving in engineering and water saving in agriculture. The combination weights were calculated using hierarchical analysis and entropy weight method. Comprehensive evaluation and ranking of 14 representative irrigation districts in Shandong Province for water saving level using combined weights and TOPSIS method.【Result】The combined weight of subjective and objective weighting are management water saving 0.370 1, engineering water saving 0.489 8 and agronomic water saving 0.140 1. The evaluation ranking using combined weights and TOPSIS method is basically the same, and the ranking results show that the Yellow Diversion Irrigation District > River Diversion Irrigation District > Reservoir Irrigation District.【Conclusion】Whether the irrigation benefits of irrigation districts can be given full play is the core issue affecting different types of irrigation districts, where engineering water saving is still the main influencing factor of the current level of water saving in irrigation districts. In Shandong Province irrigation areas, there are widespread water-saving shortcomings in the implementation of water-saving assessment system construction, the implementation of water price rationality, and the popularization rate of soil moisture measurement irrigation. It is feasible to apply to self-evaluation of water saving in irrigation districts based on equiproportional conversion of combination weights to a percentage system. |
| Key words: evaluation of water saving in irrigation district; AHP; entropy weight method; combination weight; TOPSIS method |
