Articles | Volume 18, issue 6
https://doi.org/10.5194/acp-18-4005-2018
https://doi.org/10.5194/acp-18-4005-2018
Research article
 | 
22 Mar 2018
Research article |  | 22 Mar 2018

Large contribution of fossil fuel derived secondary organic carbon to water soluble organic aerosols in winter haze in China

Yan-Lin Zhang, Imad El-Haddad, Ru-Jin Huang, Kin-Fai Ho, Jun-Ji Cao, Yongming Han, Peter Zotter, Carlo Bozzetti, Kaspar R. Daellenbach, Jay G. Slowik, Gary Salazar, André S. H. Prévôt, and Sönke Szidat

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Latest update: 14 Dec 2024
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Short summary
Here we present a quantitative source apportionment of WSOC, isolated from aerosols in China using radiocarbon (14C) and offline high-resolution time of flight aerosol mass spectrometer measurements. We demonstrate a dominant contribution of non-fossil emissions to WSOC aerosols in the Northern Hemisphere. However, the fossil fraction is substantially larger in aerosols from East Asia and the east Asian pollution outflow, especially during winter, due to increasing coal combustion.
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