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. 2015 Jun 19;7(2):865–914. doi: 10.1002/2014MS000421

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© 2015. The Authors.

This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Observed BC surface concentrations ( $μ g C / m^{3}$ ) summarized by Koch et al. [2009].