基于腾讯迁徙数据的全国春运人口流动时空格局分析
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国家重点研发计划项目(2019YFB2102503)

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Spatial and Temporal Pattern Analysis of Population Mobility During the Spring Festival Travel Rush Based on Gephi
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National Key Research and Development Program of China (2019YFB2102503)

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    摘要:

    城市间的大规模人口流动一定程度上体现了城市间的关联性。该文选取腾讯迁徙数据库中2015—2018 年官方春运期间全国人口迁徙数据,利用 Gephi 软件对人口联系强度进行可视化分析,获取全国城市间联系强度总体格局的变化特征。利用 DBSCAN 算法对全国城市进行时间序列聚类,讨论在春运不同时间节点的城市流动共性与差异。此外,该文还改进重力模型,以分析省内、省际人口流动的距离衰减效应。结果表明:(1)全国城市总体形成稳定的“菱形”结构,北京、上海、西安等城市形成单轴心空间组织模式,广东、深圳形成多轴心空间组织模式,一线城市中心性较强。除“菱形”结构外,西北部和东北部城市的中转和承接能力具有强大优势。(2)春节期间净迁移人口变化趋势较为稳定,春节前后形成对称式流入流出。(3)春运期间的流动符合距离衰减定律,随着距离的增加,城市吸引力在逐渐降低。

    Abstract:

    The large-scale population mobility between cities reflects the correlation between cities to a certain extent. This paper selects the national population migration data during the Spring Festival from 2015 to 2018 in the Tencent migration database and uses Gephi software to conduct visualization analysis to obtain the strength of population connections between the cities as well as the evolutionary characteristics of the overall pattern of inter-connectivity strength. The DBSCAN algorithm is used to cluster the time series of cities across the country, and the commonalities and differences in urban mobility at different time nodes during the Spring Festival are discussed. And the distance attenuation effects of intra-provincial and inter-provincial population flow are analyzed from the improved gravity model. The results show that: (1) The national cities have formed a stable “diamond” structure as a whole, Beijing, Shanghai, Xi’an, and other cities have formed a single-axis spatial organization model, Guangdong and Shenzhen have formed a multi-axis spatial organization model, and the first-tier cities have strong centrality. In addition to cities with a “diamond” structure, cities in the northwest region and cities in the northeast region have strong advantages in terms of transit and acceptance capabilities. (2) The changing trend of net migration population during the Spring Festival was relatively stable, and a symmetrical inflow and outflow were formed before and after the Spring Festival. (3) The flow during the Spring Festival travel period conforms to the law of distance attenuation. With the increase in distance, the attractiveness of the city gradually decreases.

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引文格式
陶坤旺,赵习枝,蓝玉珍,等.基于腾讯迁徙数据的全国春运人口流动时空格局分析 [J].集成技术,2023,12(1):68-78

Citing format
TAO Kunwang, ZHAO Xizhi, LAN Yuzhen, et al. Spatial and Temporal Pattern Analysis of Population Mobility During the Spring Festival Travel Rush Based on Gephi[J]. Journal of Integration Technology,2023,12(1):68-78

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  • 在线发布日期: 2023-01-12
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