基于三生空间质量的哈长城市群城市脆弱性时空演变格局及驱动力研究
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1.哈尔滨师范大学;2.东北师范大学

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省、部研究计划基金


Patterns and Driving Forces of the Temporal-Spatial?Evolution of Urban Vulnerability in Harbin-Changchun Urban Agglomeration based on the production-living-ecological Spatial Quality
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1.College of Geographical Science,Harbin NormalSUniversity;2.哈尔滨师范大学;3.东北师范大学

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    摘要:

    高质量的三生空间是城市高品质空间布局、高效率功能体现的重要保障与载体。城市群作为城市三生空间矛盾的集中地,降低其城市脆弱性,是区域可持续发展的关键。因此,基于三生空间质量的哈长城市群城市脆弱性研究对国土空间协调与稳定发展具有重要意义。以哈长城市群11个地市为研究区域,基于生产空间质量、生活空间质量、生态空间质量构建城市脆弱性评价指标体系,运用熵权-TOPSIS评价模型、ArcGIS空间分析工具以及地理探测器对2010-2018年哈长城市群城市脆弱性的时空格局演变与驱动力进行分析。研究结果表明:①在时间变化上:整体来看,2010-2018年哈长城市群城市脆弱性呈下降的趋势,城市脆弱性空间上呈“先增强后减弱”的态势。城市脆弱性高等级地区数量呈现“先增强后减弱”的趋势,而城市脆弱性指数相似地区集中分布呈现“先减弱后增强”态势。②在空间布局上:形成了II、I级区“点状零散”,V、IV级区的“边缘式”的空间分布格局。空间分布呈现“随机化”,无明显集聚性。从其演化趋势类型特征上看,呈发散趋势的城市多于呈收敛趋势的城市,说明哈长城市群城市脆弱性空间差异呈逐渐增大态势。③基于三生空间质量哈长城市群城市脆弱性的空间分异主要是由城市生活空间质量脆弱性的差异引起,其次是城市生产空间质量脆弱性。其中,经济增长水平不高是城市生产空间质量脆弱性的首要因素;交通设施水平不完善、燃气资源供给力度不够、城乡差距偏大、教育水平程度偏低、信息化水平低下是城市生活空间质量脆弱性的关键因素;污水处理强度、城市绿化水平和生活垃圾无害化处理强度是影响哈长城市群城市生态空间质量脆弱性的基础要素。

    Abstract:

    High-quality production-living-ecological space is an important guarantee and carrier for high-quality urban spatial layouts and high-efficiency functions. Urban Agglomerations are the concentrated areas of urban production-living-ecological spatial conflicts. Reducing the urban vulnerability of Urban Agglomerations has become the key to regional sustainable development. Therefore, the research on the urban vulnerability of Harbin-Changchun Urban Agglomeration based on the production-living-ecological Spatial Quality is of great significance to the coordinated and stable development of territorial space. Taking 11 cities in the Harbin-Changchun Urban Agglomeration as the research area, the urban vulnerability evaluation index system was constructed based on the quality of production space, the quality of living space and the quality of ecological space. The entropy weight-TOPSIS evaluation model, ArcGIS spatial analysis tools and geographic detectors were used to analyze the patterns and driving forces of the spatial and temporal evolution of urban vulnerability in the Harbin-Changchun Urban Agglomeration from 2010 to 2018. The research results show that: (1) The urban vulnerability of the Harbin-Changchun Urban Agglomeration presented a downward trend from 2010 to 2018, and the urban vulnerability spatially showed a trend of increasing first and then weakening. The number of high-level areas of urban vulnerability showed a trend of strengthening first and then weakening, while the concentrated distribution of areas with similar urban vulnerability indexes showed a trend of weakening first and then increasing. (2) The II and I level areas were mainly distributed in the core area, which were distributed in spots and scattered. The V and IV level areas were mainly distributed in the peripheral areas, showing a spatial pattern of widely distributed on the edge. The spatial distribution was randomized and there was no obvious agglomeration. Judging from the characteristics of the types of evolution trends, there were more cities showing a divergent trend than a convergence trend, which indicated that the spatial differences in urban vulnerability of the Harbin-Changchun Urban Agglomeration were gradually increasing. (3) Based on the production-living-ecological Spatial Quality, the spatial differentiation of the urban vulnerability of Harbin-Changchun Urban Agglomeration was mainly caused by the difference in the vulnerability of urban living space quality, followed by the difference in the vulnerability of urban production space quality. Among them, the low level of economic growth was the primary factor for the vulnerability of urban production space quality; The imperfect transportation facilities, insufficient gas supply, large gap between urban and rural areas, low education level and low level of information were the key factors for the vulnerability of urban living space quality; The intensity of sewage treatment, the level of urban greening and the intensity of harmless treatment of domestic waste were the basic elements that affected the vulnerability of the urban ecological space quality of the Harbin-Changchun Urban Agglomeration.

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陈晓红,许晓庆,刘艳军,王颖,张明轩,马灵玉,刘爽.基于三生空间质量的哈长城市群城市脆弱性时空演变格局及驱动力研究.生态学报,,(). http://dx. doi. org/10.5846/stxb202106221662

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