基于DEA的水资源利用效率评价及节水潜力分析
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摘要
运用数据包络分析(DEA)的BCC和CCR模型,选取农业用水、工业用水、城镇公共及生活用水、生态用水、固定资产投资、从业人数为投入指标,地区生产总值为产出指标,评价分析广东省21个市2012、2013年水资源利用效率及节水潜力。结果表明:2012年DEA有效的市有6个,农业节水量占76.13%,工业节水量占16.24%;2013年DEA有效的市有4个,农业节水量占83.92%,工业节水量占5.7%;全省仍需进一步提高资源配置效率、加强管理和增加技术投入。节水潜力方面,农业节水潜力较大,在保障粮食安全的前提下可减少农业用水量;工业节水潜力较小,提高工业用水重复率是当前工业节水的主要方向。
Using BCC and CCR model of data envelopment analysis( DEA), the analysis has been conducted on the efficiency of water use and the potential of water- saving in 21 cities of Guangdong Province between 2012 and 2013 by selecting the agricultural water,industrial water, urban public and residential water, ecological water, fixed asset investment and labor employment as the input indices and the GDP as the output index. The results show that there are six cities which are effective on DEA in 2012, and the water- saving quantity of agriculture accounts for 76. 13%, water- saving amount of industry accounts for 16. 24%; there are six cities which are effective on DEA in 2013, water- saving quantity of agriculture accounts for 83. 92%, water- saving amount of industry accounts for5. 7%; water resource using efficiency of Guangdong is not high, measures such as improving the allocation efficiency of resources,strengthening management and increasing technology investment are needed. In terms of the water- saving potential, the higher potential lies in agriculture and the industry is on the contrary. Agricultural water can be less if the food security is guaranteed, and the main direction of industrial water- saving is to improve industrial water repetition rate.
Using BCC and CCR model of data envelopment analysis( DEA), the analysis has been conducted on the efficiency of water use and the potential of water- saving in 21 cities of Guangdong Province between 2012 and 2013 by selecting the agricultural water,industrial water, urban public and residential water, ecological water, fixed asset investment and labor employment as the input indices and the GDP as the output index. The results show that there are six cities which are effective on DEA in 2012, and the water- saving quantity of agriculture accounts for 76. 13%, water- saving amount of industry accounts for 16. 24%; there are six cities which are effective on DEA in 2013, water- saving quantity of agriculture accounts for 83. 92%, water- saving amount of industry accounts for5. 7%; water resource using efficiency of Guangdong is not high, measures such as improving the allocation efficiency of resources,strengthening management and increasing technology investment are needed. In terms of the water- saving potential, the higher potential lies in agriculture and the industry is on the contrary. Agricultural water can be less if the food security is guaranteed, and the main direction of industrial water- saving is to improve industrial water repetition rate.
引文
[1]赵良仕.中国省际水资源利用效率测度、收敛机制与空间溢出效应研究[D].大连:辽宁师范大学,2014.
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[9]王莹.基于DEA的江苏省工业水资源利用效率研究[J].水利经济,2014,32(5):19-22.
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[12]孙才志,闫冬.基于DEA模型的大连市水资源-社会经济可持续发展研究[J].水利经济,2008,26(4):1-4.
[13]董战峰,喻恩源,裘浪.基于DEA模型的中国省级地区水资源效率评价[J].生态经济,2012(10):43-47.
[14]赵晨,王远,谷学明.基于数据包络分析的江苏省水资源利用效率研究[J].生态学报,2013,33(5):1636-1644.
[15]王小军,易小兵,孙春敏.广东省用水效率时空变化分析[J].广东水利水电,2014(4):34-45.
[2]蒋华波,谢升申.广西水资源利用效率指标体系研究[J].广西水利水电,2015(2):28-30.
[3]刘渝,杜江.湖北省农业水资源利用效率的实证分析[J].中国农村水利水电,2011(1):37-39.
[4]曹雷,周维博,庄妍.基于遗传投影寻踪模型的延安市水资源利用效率分析[J].水资源与水工程学报,2015,26(2):126-134.
[5]白颖,王红瑞,许新宜,等.水资源利用效率及评价方法若干问题研究[J].水利经济,2010,28(3):1-8.
[6]吉亚辉,张浩文,姜玲.基于数据包络分析的兰州水资源评价[J].资源与产业,2012,14(1):49-52.
[7]Charnes A,Cooper W W,Rhodes E.Measuring the efficiency of decision making units[J].European Journal of Operational Research,1978(2):429-444.
[8]马立杰.DEA理论及应用研究[D].济南:山东大学,2007.
[9]王莹.基于DEA的江苏省工业水资源利用效率研究[J].水利经济,2014,32(5):19-22.
[10]刘晓平,李磊.基于DEA的水资源承载力的计算评价[J].科技与管理,2008,10(1):13-15.
[11]买亚宗,孙福丽,石磊,等.基于DEA的中国工业水资源利用效率评价研究[J].干旱区资源与环境,2014,28(11):42-47.
[12]孙才志,闫冬.基于DEA模型的大连市水资源-社会经济可持续发展研究[J].水利经济,2008,26(4):1-4.
[13]董战峰,喻恩源,裘浪.基于DEA模型的中国省级地区水资源效率评价[J].生态经济,2012(10):43-47.
[14]赵晨,王远,谷学明.基于数据包络分析的江苏省水资源利用效率研究[J].生态学报,2013,33(5):1636-1644.
[15]王小军,易小兵,孙春敏.广东省用水效率时空变化分析[J].广东水利水电,2014(4):34-45.
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