Field comparison of dual- and single-spot Aethalometers: equivalent black carbon, light absorption, Ångström exponent and secondary brown carbon estimations
Liangbin Wu,Cheng Wu,Tao Deng,Dui Wu,Mei Li,Yong Jie Li,and Zhen Zhou
Liangbin Wu
Institute of Mass Spectrometry and Atmospheric Environment, Guangdong Provincial Engineering Research Center for Online Source Apportionment System of Air Pollution, Jinan University, Guangzhou 510632, China
Guangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 510632, China
Guangdong MS Institute of Scientific Instrument Innovation, Guangzhou 510530, China
Institute of Mass Spectrometry and Atmospheric Environment, Guangdong Provincial Engineering Research Center for Online Source Apportionment System of Air Pollution, Jinan University, Guangzhou 510632, China
Guangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 510632, China
Guangdong MS Institute of Scientific Instrument Innovation, Guangzhou 510530, China
Tao Deng
Institute of Tropical and Marine Meteorology, CMA, Guangzhou 510080, China
Institute of Mass Spectrometry and Atmospheric Environment, Guangdong Provincial Engineering Research Center for Online Source Apportionment System of Air Pollution, Jinan University, Guangzhou 510632, China
Guangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 510632, China
Guangdong MS Institute of Scientific Instrument Innovation, Guangzhou 510530, China
Mei Li
Institute of Mass Spectrometry and Atmospheric Environment, Guangdong Provincial Engineering Research Center for Online Source Apportionment System of Air Pollution, Jinan University, Guangzhou 510632, China
Guangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 510632, China
Guangdong MS Institute of Scientific Instrument Innovation, Guangzhou 510530, China
Yong Jie Li
Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Taipa, Macau SAR, China
Department of Ocean Science and Technology, Faculty of Science and Technology, University of Macau, Taipa, Macau SAR, China
Zhen Zhou
Institute of Mass Spectrometry and Atmospheric Environment, Guangdong Provincial Engineering Research Center for Online Source Apportionment System of Air Pollution, Jinan University, Guangzhou 510632, China
Guangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 510632, China
Guangdong MS Institute of Scientific Instrument Innovation, Guangzhou 510530, China
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Field comparison of dual-spot (AE33) and single-spot (AE31) Aethalometers by full-year collocated measurements suggests that site-specific correction factors are needed to ensure the long-term data continuity for AE31-to-AE33 transition in black carbon monitoring networks; babs agrees well between AE33 and AE31, with slight variations by wavelength (slope: 0.87–1.04; R2: 0.95–0.97). A ~ 20 % difference in secondary brown carbon light absorption was found between AE33 and AE31.
Field comparison of dual-spot (AE33) and single-spot (AE31) Aethalometers by full-year...
