Measurement report: Rapid decline of aerosol absorption coefficient and aerosol optical property effects on radiative forcing in an urban area of Beijing from 2018 to 2021
State Key Laboratory of Severe Weather and Key Laboratory of
Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences, Beijing 100081, China
College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
State Key Laboratory of Severe Weather and Key Laboratory of
Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences, Beijing 100081, China
State Key Laboratory of Cryospheric Science, Northwest Institute of
Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000,
China
Can Xia
State Key Laboratory of Severe Weather and Key Laboratory of
Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences, Beijing 100081, China
School of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing 210044, China
Xiaojing Shen
State Key Laboratory of Severe Weather and Key Laboratory of
Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences, Beijing 100081, China
State Key Laboratory of Severe Weather and Key Laboratory of
Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences, Beijing 100081, China
State Key Laboratory of Severe Weather and Key Laboratory of
Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences, Beijing 100081, China
Zhaodong Liu
State Key Laboratory of Severe Weather and Key Laboratory of
Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences, Beijing 100081, China
School of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing 210044, China
Sinan Zhang
State Key Laboratory of Severe Weather and Key Laboratory of
Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences, Beijing 100081, China
Jialing Wang
State Key Laboratory of Severe Weather and Key Laboratory of
Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences, Beijing 100081, China
Aoyuan Yu
State Key Laboratory of Severe Weather and Key Laboratory of
Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences, Beijing 100081, China
College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
Jiayuan Lu
State Key Laboratory of Severe Weather and Key Laboratory of
Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences, Beijing 100081, China
Shuo Liu
State Key Laboratory of Severe Weather and Key Laboratory of
Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences, Beijing 100081, China
Xiaoye Zhang
State Key Laboratory of Severe Weather and Key Laboratory of
Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences, Beijing 100081, China
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The simultaneous measurements under dry conditions of aerosol optical properties were conducted at three wavelengths for PM1 and PM10 in urban Beijing from 2018 to 2021. Considerable reductions in aerosol absorption coefficient and increased single scattering albedo demonstrated that absorbing aerosols were more effectively controlled than scattering aerosols due to pollution control measures. The aerosol radiative effect and the transport's impact on aerosol optical properties were analysed.
The simultaneous measurements under dry conditions of aerosol optical properties were conducted...
