Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 3
Articles | Volume 26, issue 3
https://doi.org/10.5194/acp-26-2141-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-2141-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 3
Research article
 | 
10 Feb 2026
Research article |  | 10 Feb 2026

Factors controlling the concentration of water-soluble pyrogenic carbon in aerosols in Hokkaido, Japan

Riku Miyase, Yuzo Miyazaki, Tomohisa Irino, and Youhei Yamashita

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Short summary
Water-soluble pyrogenic carbon (WSPyC) in the ocean is the ultimate sink for WSPyC, but its budget has not yet been fully quantified. This study observed the variations in the concentration of WSPyC in atmospheric aerosols in Sapporo, Hokkaido, over the course of a year, and examined its sources. The results suggest that WSPyC can be formed through the oxidation of soot during atmospheric transport, highlighting the need to reassess the global deposition flux of WSPyC.
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