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Decreasing concentrations of carbonaceous aerosols in China from 2003 to 2013
Cheng, Yan1,2; Chow, Judith C.2,3; Watson, John G.2,3; Zhou, Jiamao2; Liu, Suixin2; Cao, Junji2,4
Corresponding AuthorCheng, Yan(chengyan@xjtu.edu.cn) ; Cao, Junji(jjcao@mail.iap.ac.cn)
2021-03-05
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume11Issue:1Pages:10
AbstractCarbonaceous aerosols were characterized in 19 Chinese cities during winter and summer of 2013. Measurements of organic carbon (OC) and elemental carbon (EC) levels were compared with those from 14 corresponding cities sampled in 2003 to evaluate effects of emission changes over a decade. Average winter and summer OC and EC decreased by 32% and 17%, respectively, from 2003 to 2013, corresponding to nationwide emission control policies implemented since 2006. The extent of carbon reduction varied by season and by location. Larger reductions were found for secondary organic carbon (SOC, 49%) than primary organic carbon (POC, 25%). PM2.5 mass and total carbon concentrations were three to four times higher during winter than summer especially in the northern cities that use coal combustion for heating.
DOI10.1038/s41598-021-84429-w
Indexed BySCI ; SCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41877308] ; National Natural Science Foundation of China[21107084] ; Special Foundation for State Major Research Program[51478386] ; Ministry of Science and Technology, Beijing, China
WOS Research AreaScience & Technology - Other Topics
Funding OrganizationNational Natural Science Foundation of China ; Special Foundation for State Major Research Program ; Ministry of Science and Technology, Beijing, China
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000627411200028
PublisherNATURE RESEARCH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/16162
Collection粉尘与环境研究室
Corresponding AuthorCheng, Yan; Cao, Junji
Affiliation1.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Xian, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Peoples R China
3.Desert Res Inst, Div Atmospher Sci, Reno, NV USA
4.Chinese Acad Sci, Inst Atmospher Phys, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Cheng, Yan,Chow, Judith C.,Watson, John G.,et al. Decreasing concentrations of carbonaceous aerosols in China from 2003 to 2013[J]. SCIENTIFIC REPORTS,2021,11(1):10.
APA Cheng, Yan,Chow, Judith C.,Watson, John G.,Zhou, Jiamao,Liu, Suixin,&Cao, Junji.(2021).Decreasing concentrations of carbonaceous aerosols in China from 2003 to 2013.SCIENTIFIC REPORTS,11(1),10.
MLA Cheng, Yan,et al."Decreasing concentrations of carbonaceous aerosols in China from 2003 to 2013".SCIENTIFIC REPORTS 11.1(2021):10.
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