Measurement report: Contrasting elevation-dependent light absorption by black and brown carbon: lessons from in situ measurements from the highly polluted Sichuan Basin to the pristine Tibetan Plateau
Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China
Pingliang Land Surface Process & Severe Weather Research Station, Pingliang, 744015, China
Gansu Land Surface Process & Severe Weather Observation and
Research Station, Pingliang, 744015, China
State Key Laboratory of Cryospheric Science, Northwest Institute of
Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000,
China
Shaofeng Qi
Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China
College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China
Ye Yu
Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China
Pingliang Land Surface Process & Severe Weather Research Station, Pingliang, 744015, China
Gansu Land Surface Process & Severe Weather Observation and
Research Station, Pingliang, 744015, China
Shichang Kang
State Key Laboratory of Cryospheric Science, Northwest Institute of
Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000,
China
Longxiang Dong
Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China
Pingliang Land Surface Process & Severe Weather Research Station, Pingliang, 744015, China
Gansu Land Surface Process & Severe Weather Observation and
Research Station, Pingliang, 744015, China
Jinbei Chen
Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China
Pingliang Land Surface Process & Severe Weather Research Station, Pingliang, 744015, China
Gansu Land Surface Process & Severe Weather Observation and
Research Station, Pingliang, 744015, China
Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China
College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China
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Light absorption by aerosols is poorly understood at the eastern slope of the Tibetan Plateau (TP). We conducted the first in situ PM1 chemical measurements from the polluted Sichuan Basin to the eastern TP. A contrasting changes in mass absorption efficiency of black and brown carbon with altitude is found due to source differences. This study contributes to the understanding of the difference in light absorption by carbon with altitude, from the polluted basins to the pristine TP.
Light absorption by aerosols is poorly understood at the eastern slope of the Tibetan Plateau...
