兰州—西宁城市群水生态-经济协同发展评价研究

Study on the evaluation of the coordinated development of water ecology and economy in Lanzhou-Xining urban agglomeration

近年来,黄河流域高质量发展问题日益受到重视。为研究黄河流域目前的高质量发展水平,本文以黄河流域上游兰州-西宁城市群(以下简称“兰西城市群”)为例,对其水生态-经济协同发展水平进行了时空评价,研究结果可为兰西城市群高质量发展的科学决策与规划提供支撑。本研究选取了9个水生态-经济复合指标构建评价指标体系,并采用分段模糊隶属度数据归一化方法和熵技术支持下的层次分析法确定了各指标的权重,最后将所有指标集成为一个综合指标,即水生态-经济协同发展度。结果表明:兰西城市群整体上的水生态-经济协同发展水平呈轻度上升趋势,但始终处于一般协同发展水平;影响兰西城市群协同发展度的主要因素是地区水资源本底条件,次要因素依次是农业用水效率、工业用水效率和人均生活用水量。

In recent years,the problem of high-quality development in the Yellow River Basin has attracted increasing attention.In order to explore the current high-quality development level of the Yellow River Basin,taking Lanzhou-Xining urban agglomeration in the upper reaches of the Yellow River Basin(hereinafter referred to as“Lanxi urban agglomeration”)as an example,this paper makes a spatio-temporal evaluation of its water ecological and economic coordinated development level.The research results can provide support for scientific decision-making and planning for the high-quality development of the Lanxi urban agglomeration.The study selects 9 water ecology-economic composite indicators to construct an evaluation indicator system,and uses the method for the normalization of subsection fuzzy membership data and the analytic hierarchy process method supported by entropy technology to determine the weight of each indicator.Finally,all the indicators are integrated into a comprehensive index,that is,the degree of coordinated development of water ecology and economy.The results suggest that the overall water ecology-economic coordinated development level of the Lanxi urban agglomeration shows a slight upward trend,but it is always at the general coordinated development level.The main factor affecting the degree of coordinated development of the Lanxi urban agglomeration is the background conditions of regional water resources,and the secondary influencing factors are agricultural water use efficiency,industrial water use efficiency and per capita domestic water consumption in order.