Fluorescent biological aerosol particles over the central Pacific Ocean: covariation with ocean surface biological activity indicators

Kawana, Kaori; Matsumoto, Kazuhiko; Taketani, Fumikazu; Miyakawa, Takuma; Kanaya, Yugo

doi:https://doi.org/10.5194/acp-21-15969-2021

Articles | Volume 21, issue 20

Atmos. Chem. Phys., 21, 15969–15983, 2021

https://doi.org/10.5194/acp-21-15969-2021

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

Special issue: Marine organic matter: from biological production in the ocean...

Atmos. Chem. Phys., 21, 15969–15983, 2021

https://doi.org/10.5194/acp-21-15969-2021

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

Articles | Volume 21, issue 20

Research article 27 Oct 2021

Research article | 27 Oct 2021

Fluorescent biological aerosol particles over the central Pacific Ocean: covariation with ocean surface biological activity indicators

Kaori Kawana et al.

Supplement

https://doi.org/10.5194/acp-21-15969-2021-supplement

Data sets

Distributions of Fluorescent bioaerosol particles and marine biological indicators over the central Pacific Ocean in March 2019 K. Kawana, K. Matsumoto, F. Taketani, T. Miyakawa, and Y. Kanaya https://doi.org/10.1594/PANGAEA.936678

Short summary

Atmospheric autofluorescent particles observed over the central Pacific Ocean were identified as bioaerosols from comparisons to a DNA-nuclear-staining method. Their number concentrations in the pristine marine air masses showed high correlations with concentrations of bacteria and transparent exopolymer particles in the surface seawater, providing strong evidence of their marine origins. We propose equations to derive the atmospheric bioaerosol number concentrations from oceanic parameters.