首页|The Evolution of urban agglomerations in China and how it deviates from Zipf's law

The Evolution of urban agglomerations in China and how it deviates from Zipf's law

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Urban Agglomeration(UA)is regarded as an emerging complex urban system in China.The development of UA demands a reasonable scale structure,which can be investigated by Zipf's law.However,few studies have been conducted to quantify the optimal scale of UA and how its development deviates from the optimal scale.With the continuous urban expansion,the problem of UAs'scale structure has received increasing attention.In this study,we propose a method based on Zipf's law for estimating the theoretical optimal scale of UAs in China and assessing the deviation rate from their optimal scales.Twelve typical UAs in China are selected,and their development is assessed via urban impervious surface data from 2000 to 2018.The results show that the average deviation rate of the investigated UAs decreased from 3.40%in 2000 to 2.32%in 2018,demonstrating that these UAs are on a positive evolution trajectory.Furthermore,according to the development stage,we make recommendations on"large cities vs.medium/small-sized cities and promoting vs.restraining"to each UA based on its size.The conceptual and analytical knowledge,as well as the results from this study,are expected to offer valuable insights and new references for regulating and managing UAs'development in China.

Urban agglomerationZipf's lawscale structuredeviationurban impervious surface

Bowen Cai、Zhenfeng Shao、Shenghui Fang、Xiao Huang、Yun Tang、Muchen Zheng、Hao Zhang

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School of Remote Sensing and Information Engineering,Wuhan University,Wuhan,China

State Key Laboratory for Information Engineering in Surveying,Mapping and Remote Sensing,Wuhan University,Wuhan,China

School of Remote Sensing and Information Engineering,Wuhan University

Department of Geosciences,University of Arkansas,Fayetteville,AR,USA

School of Resource and Environmental Sciences,Wuhan University,Wuhan,China

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2024

10.1080/10095020.2022.2083527

地球空间信息科学学报(英文版)
武汉大学（原武汉测绘科技大学）

地球空间信息科学学报(英文版)

影响因子：0.207
ISSN：1009-5020
年,卷(期)：2024.27(1)