黄河流域城市活力时空格局及影响因素分析

Analysis on Temporal and Spatial Pattern and Influencing Factors of Urban Vitality in the Yellow River Basin

本研究从生态保护和高质量发展两个视角构建城市活力评价体系,将统计数据和遥感数据相结合,采用熵值法测算了2005、2010、2015、2018年黄河流域地市的城市活力,借助空间自相关分析城市活力水平的空间相关性特征,并通过GTWR模型探究城市活力影响因素。研究发现:在研究期内,黄河流域城市活力提升显著,增速逐渐放缓;低水平区域不断缩减,而高、较高水平区域不断增加。高质量发展活力提升明显,生态环境保护活力较稳定,高质量发展活力逐渐赶超生态环境保护活力。城市活力空间自相关性显著。影响因素分析表明,人才培育能力对城市活力解释力最大,产业结构、基础设施水平次之,经济状况对城市活力解释力较弱。

This study constructs an urban vitality evaluation system from the perspectives of ecological protection and high-quality development.By combining statistical data and remote sensing data,using the entropy method and spatial autocorrelation,the urban vitality in the Yellow River Basin(YRB)was analysised in 2005,2010,2015 and 2018,and the spatial correlation features were studied,and then the influencing factors of urban vitality through GTWR model were explored.The results showed that during the study period,the urban vitality of the YRB increased significantly,but the growth rate gradually slowed down.Low level areas were shrinking,while the areas with high and high levels were increasing.The vitality of high-quality development increased significantly,and the vitality of ecological-environmental protection was relatively stable.The vitality of high-quality development was gradually catching up with that of ecological-environmental protection.The spatial autocorrelation of urban vitality was significant.The analysis of influencing factors shows that talent cultivation ability has the greatest explanatory power on urban vitality,followed by industrial structure and infrastructure level,and the explanatory power of economic conditions on urban vitality is weak.