Articles | Volume 17, issue 15
Atmos. Chem. Phys., 17, 9697–9716, 2017
https://doi.org/10.5194/acp-17-9697-2017
Atmos. Chem. Phys., 17, 9697–9716, 2017
https://doi.org/10.5194/acp-17-9697-2017

Research article 15 Aug 2017

Research article | 15 Aug 2017

Sources of springtime surface black carbon in the Arctic: an adjoint analysis for April 2008

Ling Qi et al.

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Short summary
We find that Asian anthropogenic sources are the largest contributors (~ 40 %) to surface BC in spring in the Arctic, inconsistent with previous studies which repeatedly identified sources of surface BC as anthropogenic emissions from Europe and Russia. It takes 12–17 days for Asian anthropogenic emissions to be transported to the Arctic surface. Additionally, a large fraction (40–65 %) of Asian contribution is in the form of chronic pollution on 1- to 2-month timescales.
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