Analyzing ozone variations and uncertainties at high latitudes during sudden stratospheric warming events using MERRA-2

Bahramvash Shams, Shima; Walden, Von P.; Hannigan, James W.; Randel, William J.; Petropavlovskikh, Irina V.; Butler, Amy H.; de la Cámara, Alvaro

doi:https://doi.org/10.5194/acp-22-5435-2022

Articles | Volume 22, issue 8

https://doi.org/10.5194/acp-22-5435-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-22-5435-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 22, issue 8

Research article

|

25 Apr 2022

Research article |

| 25 Apr 2022

Analyzing ozone variations and uncertainties at high latitudes during sudden stratospheric warming events using MERRA-2

Shima Bahramvash Shams, Von P. Walden, James W. Hannigan, William J. Randel, Irina V. Petropavlovskikh, Amy H. Butler, and Alvaro de la Cámara

Data sets

3d,3-Hourly,Instantaneous,Model-Level,Assimilation,Assimilated Meteorological Fields V5.12.4, Greenbelt, MD, USA, Goddard Earth Sciences Data and Information Services Center (GES DISC) Global Modeling and Assimilation Office (GMAO), MERRA-2 inst3_3d_asm_Nv https://doi.org/10.5067/WWQSXQ8IVFW8

3d,3-Hourly,Instantaneous,Pressure-Level,Assimilation,Assimilated Meteorological Fields V5.12.4, Greenbelt, MD, USA, Goddard Earth Sciences Data and Information Services Center (GES DISC) Global Modeling and Assimilation Office (GMAO), MERRA-2 inst3_3d_asm_Np https://doi.org/10.5067/QBZ6MG944HW0

Earth System Research Laboratory Ozone Water Vapor Group Ozonesonde Measurements, Version 1, NOAA National Centers for Environmental Information B. J. Johnson, P. D. Cullis, and NOAA ESRL https://doi.org/10.7289/V5CC0XZ1

Model code and software

Analyzing Ozone and dynamical transport variables in middle stratosphere using MERRA-2 data (Jupiter notebook) S. Bahramvash Shams https://doi.org/10.5281/zenodo.6466540

Short summary

Large-scale atmospheric circulation has a strong influence on ozone in the Arctic, and certain anomalous dynamical events, such as sudden stratospheric warmings, cause dramatic alterations of the large-scale circulation. A reanalysis model is evaluated and then used to investigate the impact of sudden stratospheric warmings on mid-atmospheric ozone. Results show that the position of the cold jet stream over the Arctic before these events influences the variability of ozone.