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2021年第6期   DOI:10.19830/j.upi.2019.628
长江三角洲城市群核心区的功能多中心特征和规划响应——基于城际出行联系的研究
The Functional Polycentricity Characteristics and Planning Responses of Urban Agglomeration Core Area in the Yangtze River Delta: A Study Based on Intercity Trip Connection

王垚 钮心毅

Wang Yao, Niu Xinyi

关键词:城际出行;长三角地区;城市群;功能多中心;规划响应

Keywords:Intercity Trips; The Yangtze River Delta; Urban Agglomeration; Functional Polycentricity; Planning Responses

摘要:

本文以移动定位大数据测度城际出行联系,分析长三角城市群核心区的功能多中心特征,并将其与理想模式进行对照,以期推进长三角城市群核心区功能多中心的研究,丰富功能多中心理论。文章通过手机信令数据测算了长三角城市群核心区城市之间在工作日、周末、节假日三个时间段的城际出行,从功能联系强度、功能联系对称性、功能组群三个方面测度功能多中心特征。研究发现,(1)当前长三角城市群核心区整体呈现内外交互的多中心模式,具有不平衡的功能多中心特征。同时,功能多中心具有时空特征,工作日、周末、节假日三个时间段的特征有显著差异。(2)与理想模式相比,周末时段内功能多中心程度最高,工作日时段内功能多中心程度最低。三个时间段内的功能多中心不平衡特征受区域发展不平衡的影响。本文建议长三角城市群空间规划从以下三方面作出规划响应:一是围绕上海、南京、杭州和宁波形成都市圈;二是构建城际铁路与高速铁路相互结合的交通设施体系;三是保障商业和公共服务设施均衡化,以构建相对均衡的功能多中心格局。


Abstract:

This paper analyzes the characteristics of functional polycentricity in the core area of the Yangtze River Delta Urban Agglomeration by using mobile positioning big data to measure the intercit trip relationships. The measured functional polycentricity is compared with the ideal model to promote the research of the Yangtze River Delta and to enrich the theory of functional polycentricity. Mobile phone signaling data is used to calculate intercity trips in the Yangtze River Delta during three time periods including weekdays, weekends and holidays. Then the characteristics of functional polycentricity are examined from the three aspects of functional connection strength, functional connection symmetry and functional group. Firstly, it finds that this area has a feature of exchange interaction model and shows the unbalanced functional polycentric features. Besides, the functional polycentricity has the spatial-temporal characteristic in three time periods, which means its functional polycentricity characteristics in weekdays, weekends, and holidays are significantly different. The differences result from the impact of regional imbalances. Secondly, compared with the ideal model, the degree of polycentricity is the highest in the weekends and the lowest in the weekdays in the core area of the Yangtze River Delta Urban Agglomeration. Thus, this paper suggests the spatial planning of the Yangtze River Delta Urban Agglomeration make three planning responses to build a relatively balanced functional polycentricity pattern, which include forming the metropolitan area around Shanghai, Nanjing, Hangzhou and Ningbo, building the transportation facilities system involving the intercity railway and the high-speed railway, ensuring the balance of commercial and public service facilities.


版权信息:
基金项目:国家自然科学基金面上项目(51878457),国家自然科学基金青年项目(52008281),江苏高校优势学科建设工程三期项目—城乡规划学
作者简介:

王垚,博士,苏州科技大学建筑与城市规划学院,长三角人居环境碳中和发展研究院,讲师,硕士生导师。245540789@qq.com

钮心毅(通信作者),博士,同济大学建筑与城市规划学院,自然资源部国土空间智能规划技术重点实验室,教授,博士生导师。niuxinyi@tongji.edu.cn


译者简介:

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