Articles | Volume 21, issue 15
https://doi.org/10.5194/acp-21-12155-2021
https://doi.org/10.5194/acp-21-12155-2021
Research article
 | 
13 Aug 2021
Research article |  | 13 Aug 2021

Characterization of aerosol number size distributions and their effect on cloud properties at Syowa Station, Antarctica

Keiichiro Hara, Chiharu Nishita-Hara, Kazuo Osada, Masanori Yabuki, and Takashi Yamanouchi

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Latest update: 12 Oct 2024
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Short summary
New particle formation (NPF) occurred dominantly in the Antarctic free troposphere during spring and fall and in the free troposphere and boundary layer during summer. With the existence of the ozone hole, more UV radiation can enhance formation of aerosol precursors and NPF in the free troposphere. Here, we assess the hypothesis that UV enhancement in the upper troposphere by the Antarctic ozone hole modifies the aerosol and cloud properties in Antarctic regions during summer.
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