Articles | Volume 13, issue 1
https://doi.org/10.5194/amt-13-39-2020
https://doi.org/10.5194/amt-13-39-2020
Research article
 | 
08 Jan 2020
Research article |  | 08 Jan 2020

Development of an improved two-sphere integration technique for quantifying black carbon concentrations in the atmosphere and seasonal snow

Xin Wang, Xueying Zhang, and Wenjing Di

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Cited articles

Andreae, M. O. and Gelencsér, A.: Black carbon or brown carbon? The nature of light-absorbing carbonaceous aerosols, Atmos. Chem. Phys., 6, 3131–3148, https://doi.org/10.5194/acp-6-3131-2006, 2006. 
Ban-Weiss, G. A., Cao, L., Bala, G., and Caldeira, K.: Dependence of climate forcing and response on the altitude of black carbon aerosols, Clim. Dynam., 38, 897–911, https://doi.org/10.1007/s00382-011-1052-y, 2012. 
Ballach, J., Hitzenberger, R., Schultz, E., and Jaeschke, W.: Development of an improved optical transmission technique for black carbon (BC) analysis, Atmos. Environ., 35, 2089–2100, https://doi.org/10.1016/S1352-2310(00)00499-4, 2001. 
Baumgardner, D., Kok, G., and Raga, G.: Warming of the Arctic lower stratosphere by light absorbing particles, Geophys. Res. Lett., 31, L06117, https://doi.org/10.1029/2003GL018883, 2004. 
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Short summary
We developed an improved two-sphere integration (TSI) technique to quantify black carbon (BC) concentrations in the atmosphere and seasonal snow. The major advantage of this system is that it combines two distinct integrated spheres to reduce the scattering effect due to light-absorbing particles and thus provides accurate determinations of total light absorption from BC collected on Nuclepore filters.