Articles | Volume 20, issue 10
Atmos. Chem. Phys., 20, 6095–6114, 2020
https://doi.org/10.5194/acp-20-6095-2020
Atmos. Chem. Phys., 20, 6095–6114, 2020
https://doi.org/10.5194/acp-20-6095-2020
Research article
26 May 2020
Research article | 26 May 2020

Deposition of brown carbon onto snow: changes in snow optical and radiative properties

Nicholas D. Beres et al.

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Subject: Radiation | Research Activity: Field Measurements | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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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. 
Ångström, A.: On the Atmospheric Transmission of Sun Radiation and on Dust in the Air, Geogr. Ann., 11, 156–166, https://doi.org/10.2307/519399, 1929. 
Bahadur, R., Praveen, P. S., Xu, Y., and Ramanathan, V.: Solar absorption by elemental and brown carbon determined from spectral observations, P. Natl. Acad. Sci. USA, 109, 17366–17371, https://doi.org/10.1073/pnas.1205910109, 2012. 
Beres, N. D. and Moosmüller, H.: Apparatus for dry deposition of aerosols on snow, Atmos. Meas. Tech., 11, 6803–6813, https://doi.org/10.5194/amt-11-6803-2018, 2018. 
Beres, N. D., Sengupta, D., Samburova, V., Khlystov, A., and Moosmüller, H.: Dataset to accompany “Deposition of brown carbon onto snow: changes in snow optical and radiative properties” by Beres et al. (2020), Dataset, Zenodo, https://doi.org/10.5281/zenodo.3736326, 2020. 
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Short summary
Brown carbon (BrC) aerosol can be produced by the smoldering combustion of peat, a wildland fuel common at high latitude, often adjacent to the cryosphere. However, little is known about how BrC deposition onto snow changes snow optical and radiative properties. Here, we artificially deposited BrC onto natural snow surfaces, monitored changes of the spectral surface albedo, characterized optical properties of deposited aerosol, and compared to modeled values of albedo and radiative forcing.
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