中国可达性研究知识图谱分析

可达性分析广泛应用于城市规划、交通规划和地理学科领域,利用CiteSpace软件对可达性研究领域1990~2020年的研究动态进行综合分析,识别发文数量时序特征,从作者、发文机构、关键词方面进行共现分析并前沿突现进行阶段划分。结果表明：国内可达性研究可分为起步阶段(1990~2001年)、快速发展阶段(2001年~2010年)、高速发展阶段(2010年~2018年)和成熟平稳阶段(2018年至今)；国内可达性研究大致分为几个作者群,作者群之间的互引关系比较弱,学术交流比较薄弱,长此以往容易形成学术隔离和学术堡垒,不利于可达性的全面深入研究和可持续发展；发文机构之间存在较为密切的的学术联系和合作,有利于可达性研究的全面性和丰富性；通过半衰期指标的比较表明文献的质量和影响力与发文数量并无明显相关性；发文机构大都分布在江苏、上海、北京、武汉等大城市,说明大城市对可达性研究十分重视；近几年来越来越多的模型和方法运用于可达性的研究,涉及城市空间布局、土地利用、基础设施建设等方方面面,研究可达性对于城市经济健康发展和城市合理规划具有重要意义。以上结果分析可为国内可达性的后续理论研究和实践探索提供参考依据。

Domestic accessibility research knowledge map analysis

Accessibility analysis is widely used in urban planning, transportation planning and geography. CiteSpace software is used to comprehensively analyze the research trends of accessibility research from 1990 to 2020, identify the timing characteristics of the number of publications, analyze the co-occurrence of authors, publishers and keywords, and divide the stages of frontier emergence.The results show that the domestic accessibility research can be divided into the initial stage (1990-2001), the rapid development stage (2001-2010), the rapid development stage (2010-2018) and the mature stable stage (2018-present).Domestic accessibility research can be roughly divided into several groups of authors. The mutual citation relationship between the groups of authors is relatively weak, and the academic exchange is relatively weak. In the long run, it is easy to form academic isolation and academic fortress, which is not conducive to the comprehensive and in-depth research and sustainable development of accessibility.There are close academic relations and cooperation between publishing institutions, which is conducive to the comprehensiveness and richness of accessibility research.The comparison of half-life indexes shows that the quality and influence of literature have no obvious correlation with the number of publications.Most of the publishing agencies are located in big cities such as jiangsu, Shanghai, Beijing and wuhan.In recent years, more and more models and methods have been applied to the study of accessibility, involving urban spatial layout, land use, infrastructure construction and other aspects. The study of accessibility is of great significance to the healthy development of urban economy and rational urban planning.The results above can provide reference for the follow-up theoretical research and practical exploration of accessibility in China.