Articles | Volume 20, issue 16
https://doi.org/10.5194/acp-20-9701-2020
© Author(s) 2020. 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-20-9701-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
19 Aug 2020
Research article |
| 19 Aug 2020
| 19 Aug 2020
The absorption Ångstrom exponent of black carbon with brown coatings: effects of aerosol microphysics and parameterization
Xiaolin Zhang
CORRESPONDING AUTHOR
Key Laboratory of Meteorological Disaster, Ministry of Education (KLME)/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters (CIC-FEMD)/Joint International Research Laboratory of Climate and Environment Change (ILCEC)/Earth System Modeling Center (ESMC)/Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration, Nanjing University of Information Science & Technology, Nanjing, 210044, China
School of Atmospheric Physics, Nanjing University of Information Science & Technology, Nanjing, 210044, China
National Satellite Meteorological Center, China Meteorological Administration, Beijing, 100081, China
Mao Mao
CORRESPONDING AUTHOR
Key Laboratory of Meteorological Disaster, Ministry of Education (KLME)/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters (CIC-FEMD)/Joint International Research Laboratory of Climate and Environment Change (ILCEC)/Earth System Modeling Center (ESMC)/Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration, Nanjing University of Information Science & Technology, Nanjing, 210044, China
School of Atmospheric Physics, Nanjing University of Information Science & Technology, Nanjing, 210044, China
Key Laboratory of Meteorological Disaster, Ministry of Education (KLME)/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters (CIC-FEMD)/Joint International Research Laboratory of Climate and Environment Change (ILCEC)/Earth System Modeling Center (ESMC)/Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration, Nanjing University of Information Science & Technology, Nanjing, 210044, China
School of Atmospheric Physics, Nanjing University of Information Science & Technology, Nanjing, 210044, China
Shihao Tang
National Satellite Meteorological Center, China Meteorological Administration, Beijing, 100081, China
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- The variability of mass concentrations and source apportionment analysis of equivalent black carbon across urban Europe M. Savadkoohi et al. 10.1016/j.envint.2023.108081
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- Significance of Absorbing Fraction of Coating on Absorption Enhancement of Partially Coated Black Carbon Aerosols X. Zhang et al. 10.3390/atmos12111422
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30 citations as recorded by crossref.
- Assessment of Air Pollution Levels during Sugarcane Stubble Burning Event in La Feria, South Texas, USA S. Pinakana et al. 10.3390/pollutants3020015
- Advances in Atmospheric Radiation: Theories, Models, and Their Applications. Part I: Atmospheric Gas Absorption and Particle Scattering H. Zhang et al. 10.1007/s13351-024-3091-4
- Theoretical study of scattering Angstrom exponent of coated black carbon aerosols: The effect of microphysical configurations X. Zhang et al. 10.1016/j.jqsrt.2020.107302
- The single scattering albedo Angstrom exponent of black carbon with brown coatings X. Zhang et al. 10.1016/j.jqsrt.2020.107429
- Relationships between atmospheric mercury and optical properties of spring outflow aerosols from Southeast Asia L. Nguyen et al. 10.1016/j.apr.2021.101178
- Seasonal observation and source apportionment of carbonaceous aerosol from forested rural site (Lithuania) A. Masalaite et al. 10.1016/j.atmosenv.2021.118934
- Assessment of light-absorbing carbonaceous aerosol origins and properties at the ATOLL site in northern France A. Velazquez-Garcia et al. 10.5194/ar-2-107-2024
- Impact of deliquescence of aerosol on mass absorption efficiency of elemental carbon in fine particles in urban Guangzhou in south China J. Tao et al. 10.1016/j.atmosenv.2021.118476
- Effects of black carbon morphology on brown carbon absorption estimation: from numerical aspects J. Luo et al. 10.5194/gmd-14-2113-2021
- Characteristics and evolution of brown carbon in western United States wildfires L. Zeng et al. 10.5194/acp-22-8009-2022
- Wintertime spatial patterns of particulate matter in Fairbanks, AK during ALPACA 2022 E. Robinson et al. 10.1039/D2EA00140C
- Lensing Effect of Black Carbon With Brown Coatings: Dominant Microphysics and Parameterization X. Zhang et al. 10.1029/2020JD033549
- Vertical profiling of black carbon and ozone using a multicopter unmanned aerial vehicle (UAV) in urban Shenzhen of South China C. Wu et al. 10.1016/j.scitotenv.2021.149689
- The Effects of Local Pollution and Transport Dust on Aerosol Properties in Typical Arid Regions of Central Asia during DAO-K Measurement Y. Wei et al. 10.3390/atmos13050729
- The Single-Scattering Albedo of Black Carbon Aerosols in China X. Zhang & Y. Wu 10.3390/atmos15101238
- The Angstrom exponents of black carbon aerosols with non-absorptive coating: A numerical investigation X. Zhang et al. 10.1016/j.jqsrt.2020.107362
- Vertical structure of biomass burning aerosol transported over the southeast Atlantic Ocean H. Harshvardhan et al. 10.5194/acp-22-9859-2022
- Source attribution of black and Brown carbon near-UV light absorption in Beijing, China and the impact of regional air-mass transport M. Olson et al. 10.1016/j.scitotenv.2021.150871
- Microphysical properties of atmospheric soot and organic particles: measurements, modeling, and impacts W. Li et al. 10.1038/s41612-024-00610-8
- Modeled source apportionment of black carbon particles coated with a light-scattering shell A. Virkkula 10.5194/amt-14-3707-2021
- Seasonal variations of mass absorption efficiency of elemental carbon in PM2.5 in urban Guangzhou of South China C. Pei et al. 10.1016/j.jes.2022.04.019
- Wintertime aerosol properties of urban desert region of western India: Implications in regional climate assessment S. Roy et al. 10.1016/j.scitotenv.2023.161473
- Liquid-liquid phase separation reduces radiative absorption by aged black carbon aerosols J. Zhang et al. 10.1038/s43247-022-00462-1
- Intercomparison of Light Absorbing Characteristics of Brown Carbon (BrC) According to Analytical Methods at a Suburban Site in Seosan, Chungnam during Winter 2020 H. Lee et al. 10.5572/KOSAE.2023.39.6.931
- The variability of mass concentrations and source apportionment analysis of equivalent black carbon across urban Europe M. Savadkoohi et al. 10.1016/j.envint.2023.108081
- The Ångström Exponent and Single-Scattering Albedo of Black Carbon: Effects of Different Coating Materials J. Luo et al. 10.3390/atmos11101103
- Air Pollution Characteristics and Health Risks in the Yangtze River Economic Belt, China during Winter M. Mao et al. 10.3390/ijerph17249172
- Significance of Absorbing Fraction of Coating on Absorption Enhancement of Partially Coated Black Carbon Aerosols X. Zhang et al. 10.3390/atmos12111422
- Measurement report: Comparison of airborne, in situ measured, lidar-based, and modeled aerosol optical properties in the central European background – identifying sources of deviations S. Düsing et al. 10.5194/acp-21-16745-2021
- Rapid transformation of ambient absorbing aerosols from West African biomass burning H. Wu et al. 10.5194/acp-21-9417-2021
Latest update: 23 Nov 2024
Short summary
The understanding of the absorption Ångstrom exponent (AAE) of aged black carbon (BC) particles affected by their microphysics is numerically evaluated. With key sensitive microphysical parameters, a simple parameterization of the AAE of coated BC with a size distribution is proposed. It is found that BC coated by thin brown carbon with more large particles shows an AAE smaller than pure BC particles. Our findings improve the understanding and application of the AAE of BC with brown coatings.
The understanding of the absorption Ångstrom exponent (AAE) of aged black carbon (BC) particles...
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