Articles | Volume 24, issue 17
https://doi.org/10.5194/acp-24-10113-2024
https://doi.org/10.5194/acp-24-10113-2024
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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Cited articles

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Atmospheric Chemistry Observations & Modeling/National Center for Atmospheric Research: Whole Atmosphere Community Climate Model, National Center for Atmospheric Research [code], https://www.cesm.ucar.edu/models/releases (last access: 7 September 2024), 2024. 
Champion, K. S. W.: Middle atmosphere density data and comparison with models, Adv. Space Res., 10, 17–26, https://doi.org/10.1016/0273-1177(90)90232-O, 1990. 
Chandran, A. and Collins, R. L.: Stratospheric sudden warming effects on winds and temperature in the middle atmosphere at middle and low latitudes: a study using WACCM, Ann. Geophys., 32, 859–874, https://doi.org/10.5194/angeo-32-859-2014, 2014. 
Chen, B., Sheng, Z., and He, Y.: High-Precision and Fast Prediction of Regional Wind Fields in Near Space Using Neural-Network Approximation of Operators, Geophys. Res. Lett., 50, e2023GL106115, https://doi.org/10.1029/2023GL106115, 2023. 
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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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