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A New EraDoes Urban Sprawl Aggravate Smog Pollution?

A New Era: Does Urban Sprawl Aggravate Smog Pollution? [In recent years, smog has frequently hit many parts of China, arousing widespread concerns. Our conjecture is that urban spatial structures have an impact on the generation of smog. In this chapter, we have calculated the sprawl index of cities in China using ground-level PM2.5 concentration data, global nighttime light data, LandScan population distribution data, and economic statistics and analyzed the influence of urban sprawl and size on smog in prefecture-level cities. The results suggest that urban sprawl increases local PM2.5 concentrations, and the size of population has a similar effect. Moreover, the correlation between urban sprawl and smog concentrations weakens as the size of cities increases, and the spatial spread of small cities leads to more serious air pollution. In addition, industrial cities often have higher smog concentrations. The conclusions of this chapter have the following practical significances: the spatial plan of a city, especially a small-sized one, should control the urban sprawl and make the city structurally compact. In the optimization of an urban system, we should steadily develop small or medium-sized cities and properly control the size of a large city, in order to facilitate coordinated development of large, medium, and small-sized cities.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

A New EraDoes Urban Sprawl Aggravate Smog Pollution?

Editors: He, Dexu; Wang, Chaoyang
A New Era — Aug 31, 2018

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References (17)

Publisher
Springer Singapore
Copyright
© The Editor(s) (if applicable) and The Author(s) 2019. Based on a translation from the Chinese language edition: 新时代: 中国经济全球化 Copyright © Social Sciences Academic Press, 2018 All Rights Reserved
ISBN
978-981-10-8356-3
Pages
175 –201
DOI
10.1007/978-981-10-8357-0_8
Publisher site
See Chapter on Publisher Site

Abstract

[In recent years, smog has frequently hit many parts of China, arousing widespread concerns. Our conjecture is that urban spatial structures have an impact on the generation of smog. In this chapter, we have calculated the sprawl index of cities in China using ground-level PM2.5 concentration data, global nighttime light data, LandScan population distribution data, and economic statistics and analyzed the influence of urban sprawl and size on smog in prefecture-level cities. The results suggest that urban sprawl increases local PM2.5 concentrations, and the size of population has a similar effect. Moreover, the correlation between urban sprawl and smog concentrations weakens as the size of cities increases, and the spatial spread of small cities leads to more serious air pollution. In addition, industrial cities often have higher smog concentrations. The conclusions of this chapter have the following practical significances: the spatial plan of a city, especially a small-sized one, should control the urban sprawl and make the city structurally compact. In the optimization of an urban system, we should steadily develop small or medium-sized cities and properly control the size of a large city, in order to facilitate coordinated development of large, medium, and small-sized cities.]

Published: Aug 31, 2018

Keywords: Smog; PM2.5; Urban sprawl; Population size

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