Journal of Guangxi Normal University(Natural Science Edition) ›› 2021, Vol. 39 ›› Issue (3): 151-162.doi: 10.16088/j.issn.1001-6600.2020060802

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Study on the Spatial Correlation of Air Quality in Central Plains Urban Agglomeration

HE Hanji1, DENG Guangming1,2, GE Menglan1*   

  1. 1. College of Science, Guilin University of Technology, Guilin Guangxi 541004, China;
    2. Institute of Applied Statistics, Guilin University of Technology, Guilin Guangxi 541004, China
  • Received:2020-06-08 Revised:2020-07-01 Published:2021-05-13

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Abstract: Based on the air quality data of 29 cities in the central plains urban agglomeration from 2015 to 2018, spatial correlation network modeling is performed on the air quality of the central plains urban agglomeration, and the network index and community detection methods are used to explore the individual role and overall development trend of the air quality in the urban agglomeration. The results show that: (1) The air quality impact centers of the Central Plains urban agglomeration are divided into the northern strip center cluster with Jincheng as the core and the central block center cluster with Zhengzhou as the core. Among them, the northern cluster represents the significant influence of natural environmental conditions and unreasonable heavy industry structure on the northern region; the central cluster highlights the significant impact of the level of economic development and urbanization on urban air quality. In addition, Kaifeng, Xuchang, Luohe, Anyang, and Yuncheng, which have an intermediary role, are distributed at the edge of each circle in the urban agglomeration, which has a greater impact on air quality transmission. (2) The air quality spatial network integrity index of the Central Plains urban agglomeration reaches 0.512 3, which is closely related. The northwest plate with poor air quality environment in the urban agglomeration mainly affects the plate, and has a strong influence on the southeast plate at this stage. (3) The spatial correlation of air quality in the Central Plains urban agglomeration has obvious "gradient" characteristics, rather than exist in isolation. The community testing found that it has a relatively stable binary development trend. This paper analyzes the air quality of urban agglomerations through complex network theory, and aims to provide a scientific basis for preventing and controlling the overall air quality pollution of urban agglomerations.

Key words: air quality, spatial correlation, complex network theory, centrality index, central plains urban agglomeration

CLC Number: 

  • X511
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