Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 24, issue 17
Articles | Volume 24, issue 17
https://doi.org/10.5194/acp-24-10113-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-24-10113-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 24, issue 17
Research article
 | 
12 Sep 2024
Research article |  | 12 Sep 2024

Observation and simulation of neutral air density in the middle atmosphere during the 2021 sudden stratospheric warming event

Junfeng Yang, Jianmei Wang, Dan Liu, Wenjie Guo, and Yiming Zhang

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Short summary
Atmospheric drag may vary dramatically under the influence of atmospheric density over aircraft flights at 20–100 km. This indicates that the natural density evolution needs to be analyzed. However, the middle-atmospheric density response to sudden stratospheric warming (SSW) events has rarely been reported. In this study, the density distribution and mass transport process are illustrated based on observation data and global numerical model simulations during the 2021 major SSW event.
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