纽约的分层流动、隔离边界与社会经济混合
Stratified Mobility, Segregated Boundary, and Socioeconomic Mixing in New York
摘要：
跨空间单元的移动性代表了人们如何沿着时间序列管理位置之间的活动的体现。然而，时空模式与尊重的起源（推因素）和目的地（拉因素），在空间相互作用的文献中广泛讨论的社会经济特征的相互作用。在更高的空间分辨率下观察这种动态，使我们能够纠缠城市的多方面性质，它作为一个系统或网络的复杂性，以及它塑造人们运动的方式。本研究探讨了城市系统或城市网络中相互联系的要素在外部冲击（即COVID爆发）出现的同时可能影响流动性流量估计的程度。为了提高预测能力，引力模型扩展到城市系统模型，通过增加城市网络的复杂性，基于微观分析方法（城市内部网络）。我们的研究结果表明，更复杂的城市系统模型的性能比重力模型。在这里，我们利用分层的流动性，指定流动性流与收入状况的尊重地区。新型冠状病毒疫情爆发后实施封城措施，增加了阶层内流动性，显示社会经济距离与地理距离之间的耦合。经济水平相近地区间的流动比经济水平不同地区间的流动更具有可预测性。此外，无论外部冲击的严重程度如何，在决定流动性方面，拉因素的存在比推因素更丰富。
英文摘要：
Mobility cross spatial units represents the embodiment of how people manage activities between locations along temporal sequences. Spatiotemporal pattern nevertheless interacts with the socioeconomic characteristics of respected origin (push factors) and destination (pull factors) which widely discussed in spatial interaction literature. Observing this dynamics at higher spatial resolution allows us to entangle multifaceted nature of city, its complexity as a system or network, and the way it shapes movement of people. This study explore the extent interconnected elements of urban system or urban networks, in parallel with the appearance of external shock namely COVID outbreak, may affect estimation of mobility flows. To improve predictive power, gravity model is extended to urban system model by augmenting the complexities of urban network based on micro-analytical approach (intra-city networks). Our findings reveals better performance of a more complex urban system model as to compared with gravity model. Here, we leverage stratification in mobility by specifying mobility flows with respect to income status of respected areas. The occurrence of COVID outbreak followed by lockdown measure increases intra-class mobility, indicating the coupling between socioeconomic distance and geographical distance. Flows between areas with similar economic ranges are more predictable than the one of different level. Furthermore, the presence of pull factors is more affluent than push factors in determining mobility regardless the severity of external shock.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
