Articles | Volume 19, issue 9
https://doi.org/10.5194/acp-19-5791-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-19-5791-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
03 May 2019
Research article |
| 03 May 2019
| 03 May 2019
Local and regional contributions to fine particulate matter in the 18 cities of Sichuan Basin, southwestern China
Xue Qiao
Institute of New Energy and Low-carbon Technology, Sichuan University, No. 24, South Section One, First Ring Road, Chengdu, Sichuan 610065, China
Healthy Food Evaluation Research Center, Sichuan University, No. 24, South Section One,
First Ring Road, Chengdu, Sichuan 610065, China
Department of Civil and Environmental Engineering, Louisiana State
University, Baton Rouge, LA 70803, USA
Hao Guo
Department of Civil and Environmental Engineering, Louisiana State
University, Baton Rouge, LA 70803, USA
Ya Tang
College of Architecture and Environment & Healthy Food Evaluation
Research Center, Sichuan University, Chengdu 610065, China
Pengfei Wang
Department of Civil and Environmental Engineering, Louisiana State
University, Baton Rouge, LA 70803, USA
Wenye Deng
Xinjiang Academy of Environmental Protection Science, Urumqi 830011,
China
Xing Zhao
Department of Epidemiology and Biostatistics, West China School of
Public Health, Sichuan University, No. 17, Section 3, South Renmin Road,
Chengdu, Sichuan 610041, China
Jianlin Hu
Jiangsu Key Laboratory of Atmospheric Environment Monitoring and
Pollution Control, Jiangsu Engineering Technology Research Center of
Environmental Cleaning Materials, Nanjing University of Information Science
& Technology, Nanjing 210044, China
Qi Ying
CORRESPONDING AUTHOR
Zachry Department of Civil Engineering, Texas A&M University,
College Station, TX 77843, USA
Department of Civil and Environmental Engineering, Louisiana State
University, Baton Rouge, LA 70803, USA
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Latest update: 29 May 2025
Short summary
A source-oriented version of the CMAQ model was used to quantify contributions from nine regions to PM2.5 and its components in the 18 cities within Sichuan Basin. Nonlocal emissions contribute 39–66 % and 25–52 % to the citywide average PM2.5 concentrations of 45–126 and 14–31 µg m3 in the winter and summer, respectively. This study demonstrates the importance of joint emission control efforts among cities within the SCB and neighboring regions to the east.
A source-oriented version of the CMAQ model was used to quantify contributions from nine regions...
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