Articles | Volume 22, issue 22
https://doi.org/10.5194/acp-22-14825-2022
https://doi.org/10.5194/acp-22-14825-2022
Research article
 | 
22 Nov 2022
Research article |  | 22 Nov 2022

Constraining the particle-scale diversity of black carbon light absorption using a unified framework

Payton Beeler and Rajan K. Chakrabarty

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Cited articles

Beeler, P. and Chakrabarty, R. K.: ADDA_datasets (Version 1.0.0), Computer software, Zenodo [data set], https://doi.org/10.5281/zenodo.7255194, 2022a. 
Beeler, P. and Chakrabarty, R. K.: Online user's guide for the Python Black Carbon Absorption package (pyBCabs), pyBCabsorption [code], https://pybcabs.readthedocs.io/en/latest/index.html, 2022b. 
Bond, T. C. and Bergstrom, R. W.: Light Absorption by Carbonaceous Particles: An Investigative Review, Aerosol Sci. Tech., 40, 27–67, https://doi.org/10.1080/02786820500421521, 2006. 
Boucher, O., Balkanski, Y., Hodnebrog, Ø., Myhre, C. L., Myhre, G., Quaas, J., Samset, B. H., Schutgens, N., Stier, P., and Wang, R.: Jury is still out on the radiative forcing by black carbon, P. Natl. Acad. Sci. USA, 113, E5092–E5093, https://doi.org/10.1073/pnas.1607005113, 2016. 
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Short summary
Understanding and parameterizing the influences of black carbon (BC) particle morphology and compositional heterogeneity on its light absorption represent a fundamental problem. We develop scaling laws using a single unifying parameter that effectively encompasses large-scale diversity observed in BC light absorption on a per-particle basis. The laws help reconcile the disparities between field observations and model predictions. Our framework is packaged in an open-source Python application.
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