Investigation of Primary and Secondary Particulate Brown Carbon in Two Chinese Cities of Xi’an and Hong Kong in Wintertime

Brown carbon (BrC), an aerosol carbonaceous matter component, impacts atmospheric radiation and global climate because of its absorption in the near-ultraviolet–visible region. Simultaneous air sampling was conducted in two megacities of Xi’an (northern) and Hong Kong (southern) in China in winter o...

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Veröffentlicht in:	Environmental science & technology 2020-04, Vol.54 (7), p.3803-3813
Hauptverfasser:	Zhang, Qian, Shen, Zhenxing, Zhang, Leiming, Zeng, Yaling, Ning, Zhi, Zhang, Tian, Lei, Yali, Wang, Qiyuan, Li, Guohui, Sun, Jian, Westerdahl, Dane, Xu, Hongmei, Cao, Junji
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Aerosols Air sampling Anthropogenic factors Aromatic compounds Atmospheric chemistry Atmospheric radiation Biomass burning Carbon Cyclotron resonance Electromagnetic absorption Fourier transforms Functional groups Human influences Ions Mass spectrometry Mass spectroscopy Megacities Nitrates Organic carbon Organic compounds Oxidants Oxidation Oxidizing agents Photochemicals Quantum chemistry Smoldering VOCs Volatile organic compounds
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