Articles | Volume 19, issue 14
https://doi.org/10.5194/acp-19-9485-2019
https://doi.org/10.5194/acp-19-9485-2019
Research article
 | 
26 Jul 2019
Research article |  | 26 Jul 2019

Reactive nitrogen (NOy) and ozone responses to energetic electron precipitation during Southern Hemisphere winter

Pavle Arsenovic, Alessandro Damiani, Eugene Rozanov, Bernd Funke, Andrea Stenke, and Thomas Peter

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Cited articles

Andersson, M. E., Verronen, P. T., Marsh, D. R., Seppälä, A., Päivärinta, S. M., Rodger, C. J., Clilverd, M. A., Kalakoski, N., and van de Kamp, M.: Polar Ozone Response to Energetic Particle Precipitation Over Decadal Time Scales: The Role of Medium-Energy Electrons, J. Geophys. Res.-Atmos., 123, 607–622, https://doi.org/10.1002/2017JD027605, 2018. 
Arsenovic, P.: SOCOL3-MPIOM model output, Mendeley Data, v1, https://doi.org/10.17632/kgzwjgf4bk.1, 2019. 
Arsenovic, P., Rozanov, E., Stenke, A., Funke, B., Wissing, J. M., Mursula, K., Tummon, F., and Peter, T.: The influence of Middle Range Energy Electrons on atmospheric chemistry and regional climate, J. Atmos. Sol.-Terr. Phy., 149, 180–190, https://doi.org/10.1016/j.jastp.2016.04.008, 2016. 
Asikainen, T. and Ruopsa, M.: Solar wind drivers of energetic electron precipitation, J. Geophys. Res.-Space, 121, 2209–2225, https://doi.org/10.1029/2002JA009458, 2016. 
Baker, D. N., Barth, C. A., Mankoff, K. E., Kanekal, S. G., Bailey, S. M., Mason, G. M., and Mazur, J. E.: Relationships between precipitating auroral zone electrons and lower thermospheric nitric oxide densities: 1998–2000, J. Geophys. Res., 106, 24465–24480, https://doi.org/10.1029/2001JA000078, 2001. 
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Short summary
Low-energy electrons (LEE) are the dominant source of odd nitrogen, which destroys ozone, in the mesosphere and stratosphere in polar winter in the geomagnetically active periods. However, the observed stratospheric ozone anomalies can be reproduced only when accounting for both low- and middle-range energy electrons (MEE) in the chemistry-climate model. Ozone changes may induce further dynamical and thermal changes in the atmosphere. We recommend including both LEE and MEE in climate models.
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