Articles | Volume 15, issue 3
Atmos. Chem. Phys., 15, 1299–1312, 2015
https://doi.org/10.5194/acp-15-1299-2015
Atmos. Chem. Phys., 15, 1299–1312, 2015
https://doi.org/10.5194/acp-15-1299-2015

Research article 06 Feb 2015

Research article | 06 Feb 2015

Fossil vs. non-fossil sources of fine carbonaceous aerosols in four Chinese cities during the extreme winter haze episode of 2013

Y.-L. Zhang et al.

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Short summary
Source apportionment of fine carbonaceous aerosols using radiocarbon and other organic markers measurements during 2013 winter haze episodes was conducted at four megacities in China. Our results demonstrate that fossil emissions predominate EC with a mean contribution of 75±8%, whereas non-fossil sources account for 55±10% of OC; and the increment of TC on heavily polluted days was mainly driven by the increase of secondary OC from both fossil-fuel and non-fossil emissions.
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