Articles | Volume 24, issue 10
https://doi.org/10.5194/acp-24-6433-2024
https://doi.org/10.5194/acp-24-6433-2024
Research article
 | 
31 May 2024
Research article |  | 31 May 2024

Investigating long-term changes in polar stratospheric clouds above Antarctica during past decades: a temperature-based approach using spaceborne lidar detections

Mathilde Leroux and Vincent Noel

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Cited articles

Bogdan, A., Molina, M. J., Kulmala, M., MacKenzie, A. R., and Laaksonen, A.: Study of finely divided aqueous systems as an aid to understanding the formation mechanism of polar stratospheric clouds: Case of HNO3/H2O and H2SO4/H2O systems, J. Geophys. Res.-Atmos., 108, 4302, https://doi.org/10.1029/2002JD002605, 2003. 
Braun, B., Sweetser, T., Graham, C., and Bartsch, J.: CloudSat's A-Train Exit and the Formation of the C-Train: An Orbital Dynamics Perspective, in: 2019 IEEE Aerospace Conference, Big Sky, MT, USA, 2–9 March 2019, IEEE, 1–10, https://doi.org/10.1109/AERO.2019.8741958, 2019. 
Butler, A. H., Seidel, D. J., Hardiman, S. C., Butchart, N., Birner, T., and Match, A.: Defining Sudden Stratospheric Warmings, B. Am. Meteorol. Soc., 96, 1913–1928, https://doi.org/10.1175/BAMS-D-13-00173.1, 2015. 
Fortin, T. J., Drdla, K., Iraci, L. T., and Tolbert, M. A.: Ice condensation on sulfuric acid tetrahydrate: Implications for polar stratospheric ice clouds, Atmos. Chem. Phys., 3, 987–997, https://doi.org/10.5194/acp-3-987-2003, 2003. 
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Short summary
This study investigates the long-term changes in the polar stratospheric cloud (PSC) season from 1980 to 2021 above Antarctica. We analyzed CALIOP observations from 2006 to 2020 to build a statistical temperature-based model. We applied our model to gridded reanalysis temperatures, leading to an integrated view of PSC occurrence that is free from sampling issues, allowing us to document the past evolution of the PSC season.
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