2020
DOI: 10.1038/s41598-020-66665-8
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Spatial Association Effect of Haze Pollution in Cheng-Yu Urban Agglomeration

Abstract: This study takes a network perspective to examine the spatial spillover effects of haze pollution in Cheng-Yu urban agglomeration which is the fourth largest urban agglomeration and a comprehensive demonstration zone of new urbanization in China. Firstly, we use Granger causality test to construct haze pollution spatial association network, and then we apply social network analysis to reveal the structural characteristics of this network. The results show that: haze pollution in Cheng-Yu urban agglomeration is… Show more

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Cited by 21 publications
(11 citation statements)
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“…The complex network theory has recently been widely adopted to study inter-regional air pollution spillovers (Zhang D. et al, 2020;Yu et al, 2021;Zhang Q. et al, 2021). From the complex network perspective, the cities are regarded as nodes, and the air pollutant spillovers between cities are regarded as edges; thus, the cities in the whole region of China can be linked to form a network capturing the direct and indirect interaction of air pollutants comprehensively (Carmona-Cabezas et al, 2019).…”
Section: Open Access Edited Bymentioning
confidence: 99%
“…The complex network theory has recently been widely adopted to study inter-regional air pollution spillovers (Zhang D. et al, 2020;Yu et al, 2021;Zhang Q. et al, 2021). From the complex network perspective, the cities are regarded as nodes, and the air pollutant spillovers between cities are regarded as edges; thus, the cities in the whole region of China can be linked to form a network capturing the direct and indirect interaction of air pollutants comprehensively (Carmona-Cabezas et al, 2019).…”
Section: Open Access Edited Bymentioning
confidence: 99%
“…Li et al constructed spillover networks at multiple timescales to show the interactions of PM 2.5 spillover behavior within Jing-Jin-Ji region ( Li et al, 2019 ). Zhang et al examined the spatial effects on pollution transport in Cheng-Yu urban agglomeration using complex network in which spatial associations of haze pollution were displayed ( Zhang et al, 2020 ). Rafael et al converted tropospheric ozone (O 3 ) time series into complex network and applied centrality metrics to differentiate the ozone dynamics between rural and urban regions ( Rafael et al, 2019 ).…”
Section: Introductionmentioning
confidence: 99%
“…Although air quality has been improved in recent years, the pressure of smog control is still present [ 43 ]. Most of the existing studies focus on analysis within a certain urban agglomeration [ 37 , 44 , 45 ], while those covering the entire YREB suffer from a short period of analysis [ 46 ] and single model selection [ 37 , 43 ]; this results in poor interpretation ability of PM2.5 pollution in a long time series and a large space in the Yangtze River Economic Belt. Therefore, a comprehensive study of PM2.5 based on a long-term multi-spatial scale, multi-impact index, and multi-analysis model of the YREB is needed.…”
Section: Introductionmentioning
confidence: 99%