Inferring urban polycentricity from the variability in human mobility patterns.

Inferring urban polycentricity from the variability in human mobility patterns.
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从人类流动模式的可变性推断城市多中心性。

DOI:
10.1038/s41598-023-33003-7
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发表时间:
2023-04-07
期刊:
影响因子:
4.6
通讯作者:
Kang, Soong Moon
Kang, Soong Moon
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Cabrera-Arnau, Carmen;Zhong, Chen;Batty, Michael;Silva, Ricardo;Kang, Soong Moon

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多中心城市模式在空间规划政策中越来越受欢迎,因为人们认为它可以克服单中心大都市经常出现的一些问题,从拥挤到难以获得工作和服务。然而,“多中心城市”的概念有一个模糊的定义,因此,一个城市是多中心的程度不容易确定。在这里,我们利用智能旅行卡数据的精细时空分辨率,通过研究城市如何偏离定义良好的单中心模型来推断城市的多中心性。特别是,我们通过引入一种新颖的概率方法来分析由于复杂的城市结构形式而产生的人类运动,该方法捕捉了这些人类运动的复杂性。我们专注于伦敦(英国)和首尔(韩国)作为我们的两个案例研究,我们特别发现的证据表明,伦敦显示出更高程度的单中心比首尔,这表明首尔很可能比伦敦更多中心。
The polycentric city model has gained popularity in spatial planning policy, since it is believed to overcome some of the problems often present in monocentric metropolises, ranging from congestion to difficult accessibility to jobs and services. However, the concept ‘polycentric city’ has a fuzzy definition and as a result, the extent to which a city is polycentric cannot be easily determined. Here, we leverage the fine spatio-temporal resolution of smart travel card data to infer urban polycentricity by examining how a city departs from a well-defined monocentric model. In particular, we analyse the human movements that arise as a result of sophisticated forms of urban structure by introducing a novel probabilistic approach which captures the complexity of these human movements. We focus on London (UK) and Seoul (South Korea) as our two case studies, and we specifically find evidence that London displays a higher degree of monocentricity than Seoul, suggesting that Seoul is likely to be more polycentric than London.
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