Publication

Distinctions in source regions and formation mechanisms of secondary aerosol in Beijing from summer to winter

Duan, J., Huang, R-J., Lin, C., Dai, W., Wang, M., Gu, Y., Wang, Y., Zhong, H., Zheng, Y., Ni, H., Dusek, U., Chen, Y., Li, Y., Chen, Q., Worsnop, D. R., O'Dowd, C. D. & Cao, J., 14-Aug-2019, In : Atmospheric Chemistry and Physics. 19, 15, p. 10319-10334 16 p.

Research output: Contribution to journalArticleAcademicpeer-review

APA

Duan, J., Huang, R-J., Lin, C., Dai, W., Wang, M., Gu, Y., ... Cao, J. (2019). Distinctions in source regions and formation mechanisms of secondary aerosol in Beijing from summer to winter. Atmospheric Chemistry and Physics, 19(15), 10319-10334. https://doi.org/10.5194/acp-19-10319-2019

Author

Duan, Jing ; Huang, Ru-Jin ; Lin, Chunshui ; Dai, Wenting ; Wang, Meng ; Gu, Yifang ; Wang, Ying ; Zhong, Haobin ; Zheng, Yan ; Ni, Haiyan ; Dusek, Uli ; Chen, Yang ; Li, Yongjie ; Chen, Qi ; Worsnop, Douglas R. ; O'Dowd, Colin D. ; Cao, Junji. / Distinctions in source regions and formation mechanisms of secondary aerosol in Beijing from summer to winter. In: Atmospheric Chemistry and Physics. 2019 ; Vol. 19, No. 15. pp. 10319-10334.

Harvard

Duan, J, Huang, R-J, Lin, C, Dai, W, Wang, M, Gu, Y, Wang, Y, Zhong, H, Zheng, Y, Ni, H, Dusek, U, Chen, Y, Li, Y, Chen, Q, Worsnop, DR, O'Dowd, CD & Cao, J 2019, 'Distinctions in source regions and formation mechanisms of secondary aerosol in Beijing from summer to winter', Atmospheric Chemistry and Physics, vol. 19, no. 15, pp. 10319-10334. https://doi.org/10.5194/acp-19-10319-2019

Standard

Distinctions in source regions and formation mechanisms of secondary aerosol in Beijing from summer to winter. / Duan, Jing; Huang, Ru-Jin; Lin, Chunshui; Dai, Wenting; Wang, Meng; Gu, Yifang; Wang, Ying; Zhong, Haobin; Zheng, Yan; Ni, Haiyan; Dusek, Uli; Chen, Yang; Li, Yongjie; Chen, Qi; Worsnop, Douglas R.; O'Dowd, Colin D.; Cao, Junji.

In: Atmospheric Chemistry and Physics, Vol. 19, No. 15, 14.08.2019, p. 10319-10334.

Research output: Contribution to journalArticleAcademicpeer-review

Vancouver

Duan J, Huang R-J, Lin C, Dai W, Wang M, Gu Y et al. Distinctions in source regions and formation mechanisms of secondary aerosol in Beijing from summer to winter. Atmospheric Chemistry and Physics. 2019 Aug 14;19(15):10319-10334. https://doi.org/10.5194/acp-19-10319-2019


BibTeX

@article{aa49e3b2d71b400fbfb7508913410da1,
title = "Distinctions in source regions and formation mechanisms of secondary aerosol in Beijing from summer to winter",
abstract = "To investigate the sources and evolution of haze pollution in different seasons, long-term (from 15 August to 4 December 2015) variations in chemical composition of PM1 were characterized in Beijing, China. Positive matrix factorization (PMF) analysis with a multi-linear engine (ME-2) resolved three primary and two secondary organic aerosol (OA) sources, including hydrocarbon-like OA (HOA), cooking OA (COA), coal combustion OA (CCOA), local secondary OA (LSOA) and regional SOA (RSOA). The sulfate source region analysis implies that sulfate was mainly transported at a large regional scale in late summer, while local and/or nearby sulfate formation may be more important in winter. Meanwhile, distinctly different correlations between sulfate and RSOA or LSOA (i.e., better correlation with RSOA in late summer, similar correlations with RSOA and LSOA in autumn, and close correlation with LSOA in early winter) confirmed the regional characteristic of RSOA and local property of LSOA. Secondary aerosol species including secondary inorganic aerosol (SIA - sulfate, nitrate, and ammonium) and SOA (LSOA and RSOA) dominated PM1 during all three seasons. In particular, SOA contributed 46{\%} to total PM1 (with 31{\%} as RSOA) in late summer, whereas SIA contributed 41{\%} and 45{\%} to total PM1 in autumn and early winter, respectively. Enhanced contributions of secondary species (66 {\%}-76{\%} of PM1) were also observed in pollution episodes during all three seasons, further emphasizing the importance of secondary formation processes in haze pollution in Beijing. Combining chemical composition and meteorological data, our analyses suggest that both photochemical oxidation and aqueous-phase processing played important roles in SOA formation during all three seasons, while for sulfate formation, gas-phase photochemical oxidation was the major pathway in late summer, aqueous-phase reactions were more responsible during early winter and both processes had contributions during autumn.",
keywords = "POSITIVE MATRIX FACTORIZATION, RESOLVED CHEMICAL-CHARACTERIZATION, SOURCE APPORTIONMENT, ORGANIC AEROSOL, HIGH-RESOLUTION, SEASONAL-VARIATIONS, SPECIATION MONITOR, FINE PARTICLES, HAZE POLLUTION, AIR-POLLUTION",
author = "Jing Duan and Ru-Jin Huang and Chunshui Lin and Wenting Dai and Meng Wang and Yifang Gu and Ying Wang and Haobin Zhong and Yan Zheng and Haiyan Ni and Uli Dusek and Yang Chen and Yongjie Li and Qi Chen and Worsnop, {Douglas R.} and O'Dowd, {Colin D.} and Junji Cao",
year = "2019",
month = "8",
day = "14",
doi = "10.5194/acp-19-10319-2019",
language = "English",
volume = "19",
pages = "10319--10334",
journal = "Atmospheric Chemistry and Physics",
issn = "1680-7316",
publisher = "COPERNICUS GESELLSCHAFT MBH",
number = "15",

}

RIS

TY - JOUR

T1 - Distinctions in source regions and formation mechanisms of secondary aerosol in Beijing from summer to winter

AU - Duan, Jing

AU - Huang, Ru-Jin

AU - Lin, Chunshui

AU - Dai, Wenting

AU - Wang, Meng

AU - Gu, Yifang

AU - Wang, Ying

AU - Zhong, Haobin

AU - Zheng, Yan

AU - Ni, Haiyan

AU - Dusek, Uli

AU - Chen, Yang

AU - Li, Yongjie

AU - Chen, Qi

AU - Worsnop, Douglas R.

AU - O'Dowd, Colin D.

AU - Cao, Junji

PY - 2019/8/14

Y1 - 2019/8/14

N2 - To investigate the sources and evolution of haze pollution in different seasons, long-term (from 15 August to 4 December 2015) variations in chemical composition of PM1 were characterized in Beijing, China. Positive matrix factorization (PMF) analysis with a multi-linear engine (ME-2) resolved three primary and two secondary organic aerosol (OA) sources, including hydrocarbon-like OA (HOA), cooking OA (COA), coal combustion OA (CCOA), local secondary OA (LSOA) and regional SOA (RSOA). The sulfate source region analysis implies that sulfate was mainly transported at a large regional scale in late summer, while local and/or nearby sulfate formation may be more important in winter. Meanwhile, distinctly different correlations between sulfate and RSOA or LSOA (i.e., better correlation with RSOA in late summer, similar correlations with RSOA and LSOA in autumn, and close correlation with LSOA in early winter) confirmed the regional characteristic of RSOA and local property of LSOA. Secondary aerosol species including secondary inorganic aerosol (SIA - sulfate, nitrate, and ammonium) and SOA (LSOA and RSOA) dominated PM1 during all three seasons. In particular, SOA contributed 46% to total PM1 (with 31% as RSOA) in late summer, whereas SIA contributed 41% and 45% to total PM1 in autumn and early winter, respectively. Enhanced contributions of secondary species (66 %-76% of PM1) were also observed in pollution episodes during all three seasons, further emphasizing the importance of secondary formation processes in haze pollution in Beijing. Combining chemical composition and meteorological data, our analyses suggest that both photochemical oxidation and aqueous-phase processing played important roles in SOA formation during all three seasons, while for sulfate formation, gas-phase photochemical oxidation was the major pathway in late summer, aqueous-phase reactions were more responsible during early winter and both processes had contributions during autumn.

AB - To investigate the sources and evolution of haze pollution in different seasons, long-term (from 15 August to 4 December 2015) variations in chemical composition of PM1 were characterized in Beijing, China. Positive matrix factorization (PMF) analysis with a multi-linear engine (ME-2) resolved three primary and two secondary organic aerosol (OA) sources, including hydrocarbon-like OA (HOA), cooking OA (COA), coal combustion OA (CCOA), local secondary OA (LSOA) and regional SOA (RSOA). The sulfate source region analysis implies that sulfate was mainly transported at a large regional scale in late summer, while local and/or nearby sulfate formation may be more important in winter. Meanwhile, distinctly different correlations between sulfate and RSOA or LSOA (i.e., better correlation with RSOA in late summer, similar correlations with RSOA and LSOA in autumn, and close correlation with LSOA in early winter) confirmed the regional characteristic of RSOA and local property of LSOA. Secondary aerosol species including secondary inorganic aerosol (SIA - sulfate, nitrate, and ammonium) and SOA (LSOA and RSOA) dominated PM1 during all three seasons. In particular, SOA contributed 46% to total PM1 (with 31% as RSOA) in late summer, whereas SIA contributed 41% and 45% to total PM1 in autumn and early winter, respectively. Enhanced contributions of secondary species (66 %-76% of PM1) were also observed in pollution episodes during all three seasons, further emphasizing the importance of secondary formation processes in haze pollution in Beijing. Combining chemical composition and meteorological data, our analyses suggest that both photochemical oxidation and aqueous-phase processing played important roles in SOA formation during all three seasons, while for sulfate formation, gas-phase photochemical oxidation was the major pathway in late summer, aqueous-phase reactions were more responsible during early winter and both processes had contributions during autumn.

KW - POSITIVE MATRIX FACTORIZATION

KW - RESOLVED CHEMICAL-CHARACTERIZATION

KW - SOURCE APPORTIONMENT

KW - ORGANIC AEROSOL

KW - HIGH-RESOLUTION

KW - SEASONAL-VARIATIONS

KW - SPECIATION MONITOR

KW - FINE PARTICLES

KW - HAZE POLLUTION

KW - AIR-POLLUTION

U2 - 10.5194/acp-19-10319-2019

DO - 10.5194/acp-19-10319-2019

M3 - Article

VL - 19

SP - 10319

EP - 10334

JO - Atmospheric Chemistry and Physics

JF - Atmospheric Chemistry and Physics

SN - 1680-7316

IS - 15

ER -

ID: 118414328