Long‐Emission‐Wavelength Humic‐Like Component (L‐HULIS) as a Secondary Source Tracer of Brown Carbon in the Atmosphere

The optical properties of secondary brown carbon (BrC) aerosols are poorly understood, hampering quantitative assessments of their impact. We propose a new method for estimating secondary source of BrC using excitation‐emission matrix (EEM) fluorescence spectroscopy, combined with parallel factor an...

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Bibliographic Details
Published in:	Journal of geophysical research. Atmospheres 2024-03, Vol.129 (5), p.n/a
Main Authors:	Tang, Jiao, Xu, Buqing, Zhao, Shizhen, Li, Jun, Tian, Lele, Geng, Xiaofei, Jiang, Hongxing, Mo, Yangzhi, Zhong, Guangcai, Jiang, Bin, Chen, Yingjun, Tang, Jianhui, Zhang, Gan
Format:	Article
Language:	English
Subjects:	Aerosols Air pollution Analysis Analytical methods Anthropogenic factors Atmosphere Biogenic emissions Biomass burning Carbon Carbon 14 Carbon aerosols Chromophores Cities Combustion Components Correlation Cyclotron resonance Emission analysis Emission spectroscopy Emissions Factor analysis Fluorescence Fluorescence spectroscopy Fossils Fourier transforms Human influences Isotopes Least squares method Mass spectrometry Mass spectroscopy non‐fossil secondary source Optical properties Oxidation Particulate matter Radiative forcing Radiocarbon dating Secondary aerosols secondary brown carbon secondary organic aerosol tracers Spectroscopic analysis Spectroscopy Summer Tracers Urban areas Wavelength Wavelengths Winter
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