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Zhang, YW; Chen, D2; Fan, JF; Havlin, S3; Chen, XS
Correlation and scaling behaviors of fine particulate matter (PM2.5) concentration in China
发表期刊EPL
语种英语
关键词COMPLEX NETWORKS RIVER DELTA NORTH CHINA DYNAMICS CITIES IMPACT WINTER PLAIN PM10
摘要Air pollution has become a major issue and caused widespread environmental and health problems. Aerosols or particulate matters are an important component of the atmosphere and can transport under complex meteorological conditions. Based on the data of PM2.5 observations, we develop a network approach to study and quantify their spreading and diffusion patterns. We calculate cross-correlation functions of the time lag between sites within different seasons. The probability distribution of correlation changes with season. It is found that the probability distributions in four seasons can be scaled into one scaling function with averages and standard deviations of correlation. This seasonal scaling behavior indicates that there is the same mechanism behind correlations of PM2.5 concentration in different seasons. Further, the weighted degrees reveal the strongest correlations of PM2.5 concentration in winter and in the North China Plain for the positive correlation pattern that is mainly caused by the transport of PM2.5. These directional degrees show net influences of PM2.5 along Gobi and inner Mongolia, the North China Plain, Central China, and Yangtze River Delta. The negative correlation pattern could be related to the large-scale atmospheric waves. Copyright (C) EPLA, 2018
2018
ISSN0295-5075
卷号122期号:5页码:58003
学科领域Physics
学科门类Physics, Multidisciplinary
DOI10.1209/0295-5075/122/58003
收录类别SCIE
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22889
专题理论物理所科研产出_SCI论文
作者单位1.Kunming Univ Sci & Technol, Fac Sci, Data Sci Res Ctr, Kunming 650500, Yunnan, Peoples R China
2.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, POB 2735, Beijing 100190, Peoples R China
3.Univ Helsinki, Dept Phys, POB 48, Helsinki 00014, Finland
4.Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel
5.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
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Zhang, YW,Chen, D,Fan, JF,et al. Correlation and scaling behaviors of fine particulate matter (PM2.5) concentration in China[J]. EPL,2018,122(5):58003.
APA Zhang, YW,Chen, D,Fan, JF,Havlin, S,&Chen, XS.(2018).Correlation and scaling behaviors of fine particulate matter (PM2.5) concentration in China.EPL,122(5),58003.
MLA Zhang, YW,et al."Correlation and scaling behaviors of fine particulate matter (PM2.5) concentration in China".EPL 122.5(2018):58003.
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