Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 1
Articles | Volume 25, issue 1
https://doi.org/10.5194/acp-25-1-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-1-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 1
Research article
 | 
03 Jan 2025
Research article |  | 03 Jan 2025

A numerical sensitivity study on the snow-darkening effect by black carbon deposition over the Arctic in spring

Zilu Zhang, Libo Zhou, and Meigen Zhang

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Short summary
By integrating the SNICAR model with Polar-WRF, we find that 50 ng g−1 black carbon (BC) deposition decreases snow albedo, increasing radiative forcing (RF) by 1–4 W m−2, especially in Greenland, Baffin Island, and eastern Siberia. The impact is strongly linked to BC mass, with deep snowpacks showing greater sensitivity. Snowmelt and land–atmosphere interactions are crucial. High-resolution modelling is necessary to better understand these effects on Arctic climate change.
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