Present-day radiative effect from radiation-absorbing aerosols in snow

Tuccella, Paolo; Pitari, Giovanni; Colaiuda, Valentina; Raparelli, Edoardo; Curci, Gabriele

doi:https://doi.org/10.5194/acp-21-6875-2021

Articles | Volume 21, issue 9

https://doi.org/10.5194/acp-21-6875-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-21-6875-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 21, issue 9

Research article

|

06 May 2021

Research article |

| 06 May 2021

Present-day radiative effect from radiation-absorbing aerosols in snow

Paolo Tuccella, Giovanni Pitari, Valentina Colaiuda, Edoardo Raparelli, and Gabriele Curci

Supplement

https://doi.org/10.5194/acp-21-6875-2021-supplement

Data sets

Radiation absorbing aerosol P. Tuccella https://doi.org/10.17605/OSF.IO/XNTR8

Model code and software

Radiative forcing by long-lived greenhouse gases: Calculations with the AER radiative transfer models (http://rtweb.aer.com/rrtm_frame.html) M. J. Iacono, J. S. Delamere, E. J. Mlawer, W. Shephard, S. A. Clough, and W. D. Collins https://doi.org/10.1029/2008JD009944

Download

Article (1621 KB)
Full-text XML

Short summary

We calculate the radiation-absorbing aerosol quantity in snow with a global chemical and transport atmospheric model, validated with global observations. The perturbation to snow albedo and related climatic impact are assessed. The resulting average radiative flux change in snow is 0.068 W m⁻². Black carbon is a major contributor (+0.033 W m⁻²), followed by dust (+0.012 W m⁻²) and brown carbon (+0.0066 W m⁻²). The impact is also characterized by significant seasonal and geographical variability.