Articles | Volume 26, issue 1
https://doi.org/10.5194/acp-26-135-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-135-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
06 Jan 2026
Research article |
| 06 Jan 2026
| 06 Jan 2026
Strong primary contribution to brown carbon light absorption in Tibet and urban areas: insights based on in situ measurements
Wenhui Zhao
State Key Laboratory of Advanced Environmental Technology, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
University of Chinese Academy of Sciences, Beijing 100049, China
State Key Laboratory of Advanced Environmental Technology, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Guangdong–Hong Kong–Macao Greater Bay Area Environmental Pollution Research and Control Joint Laboratory, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Guangdong Key Laboratory of Environmental Resource Utilization and Protection, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Zhaoce Liu
State Key Laboratory of Advanced Environmental Technology, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
University of Chinese Academy of Sciences, Beijing 100049, China
Tianle Pan
State Key Laboratory of Advanced Environmental Technology, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
University of Chinese Academy of Sciences, Beijing 100049, China
Tingting Feng
State Key Laboratory of Advanced Environmental Technology, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
University of Chinese Academy of Sciences, Beijing 100049, China
Jun Wang
State Key Laboratory of Advanced Environmental Technology, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
University of Chinese Academy of Sciences, Beijing 100049, China
Yiyu Cai
State Key Laboratory of Advanced Environmental Technology, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
University of Chinese Academy of Sciences, Beijing 100049, China
Lin Liang
College of Environment and Climate, Jinan University, Guangzhou 511443, China
Guangdong–Hongkong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, China
College of Environment and Climate, Jinan University, Guangzhou 511443, China
Guangdong–Hongkong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, China
College of Environment and Climate, Jinan University, Guangzhou 511443, China
Guangdong–Hongkong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, China
Nan Ma
College of Environment and Climate, Jinan University, Guangzhou 511443, China
Guangdong–Hongkong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, China
Min Shao
College of Environment and Climate, Jinan University, Guangzhou 511443, China
Guangdong–Hongkong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, China
Guohua Zhang
State Key Laboratory of Advanced Environmental Technology, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Guangdong–Hong Kong–Macao Greater Bay Area Environmental Pollution Research and Control Joint Laboratory, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Guangdong Key Laboratory of Environmental Resource Utilization and Protection, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Xinhui Bi
State Key Laboratory of Advanced Environmental Technology, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Guangdong–Hong Kong–Macao Greater Bay Area Environmental Pollution Research and Control Joint Laboratory, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Guangdong Key Laboratory of Environmental Resource Utilization and Protection, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Xinming Wang
State Key Laboratory of Advanced Environmental Technology, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Guangdong–Hong Kong–Macao Greater Bay Area Environmental Pollution Research and Control Joint Laboratory, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Guangdong Key Laboratory of Environmental Resource Utilization and Protection, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Pengfei Yu
College of Environment and Climate, Jinan University, Guangzhou 511443, China
Guangdong–Hongkong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, China
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Short summary
Our study examined brown carbon – organic aerosols that absorb light – at the remote Tibet and urban Guangzhou. Field data showed Tibet’s brown carbon absorbs about 10 times less than Guangzhou’s, due to cleaner air. Yet, over 75 % of its light absorption still comes from primary emission, which causes over 98 % of its climate-warming effect in both places. This study advances understanding of brown carbon dynamics and its sources in diverse environments for global climate effects.
Our study examined brown carbon – organic aerosols that absorb light – at the remote Tibet and...
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