Senior Lecturer
- Location
- Room 415
- Phone numbers
- 9036 (Office)
64 3 479 9036 (Office Direct Dial)
- annika.seppala@otago.ac.nz
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Publications
Chapman-Smith, K., Seppälä, A., Rodger, C. J., Hendry, A., & Forsyth, C. (2023). Observed loss of polar mesospheric ozone following substorm-driven electron precipitation. Geophysical Research Letters, 50, e2023GL104860. doi: 10.1029/2023GL104860
Journal - Research Article
Szeląg, M. E., Marsh, D. R., Verronen, P. T., Seppälä, A., & Kalakoski, N. (2022). Ozone impact from solar energetic particles cools the polar stratosphere. Nature Communications, 13, 6883. doi: 10.1038/s41467-022-34666-y
Journal - Research Article
Maliniemi, V., Arsenovic, P., Seppälä, A., & Tyssøy, H. N. (2022). The influence of energetic particle precipitation on Antarctic stratospheric chlorine and ozone over the 20th century. Atmospheric Chemistry & Physics, 22(12), 8137-8149. doi: 10.5194/acp-22-8137-2022
Journal - Research Article
Daglis, I. A., Chang, L. C., Dasso, S., Gopalswamy, N., Khabarova, O. V., Kilpua, E., … Seppälä, A., … Zong, Q. (2021). Predictability of variable solar-terrestrial coupling. Annales Geophysicae, 39(6), 1013-1035. doi: 10.5194/angeo-39-1013-2021
Journal - Research Article
Seppälä, A., & Nordstrom, V. (2021). Does the coupling of semiannual oscillation with the quasi-biennial oscillation provide predictability of Antarctic sudden stratospheric warmings? Proceedings of the American Geophysical Union (AGU) Fall Meeting. A15M-1823. Retrieved from https://www.agu.org/Fall-Meeting
Conference Contribution - Published proceedings: Abstract
Clilverd, M. A., Rodger, C. J., Andersson, M. E., Seppälä, A., & Verronen, P. T. (2016). Linkages between the radiation belts, polar atmosphere and climate: Electron precipitation through wave particle interactions. In G. Balasis, I. A. Daglis & I. R. Mann (Eds.), Waves, particles, & storms in geospace: A complex interplay. (pp. 354-376). New York, NY: Oxford University Press.
Chapter in Book - Research
Funke, B., Seppälä, A., & von Clarmann, T. (2015). Uncertainties and unknowns in atmospheric observations: How do they affect the solar signal identification?. In T. Dudok De Wit, I. Ermolli, M. Haberreiter, H. Kambezidis, M. M. Lam, J. Lilensten, … A. Seppälä, … Y. Yair (Eds.), Earth's climate response to a changing sun. (pp. 171-178). Les Ulis Cedex, France: EDP Sciences. doi: 10.1051/978-2-7598-1733-7.c120
Chapter in Book - Research
Murtagh, D., Seppälä, A., & Kyrölä, E. (2015). Satellite observations. In T. Dudok De Wit, I. Ermolli, M. Haberreiter, H. Kambezidis, M. M. Lam, J. Lilensten, … A. Seppälä, … Y. Yair (Eds.), Earth's climate response to a changing sun. (pp. 155-164). Les Ulis Cedex, France: EDP Sciences. doi: 10.1051/978-2-7598-1733-7.c118
Chapter in Book - Research
Seppälä, A., Funke, B., & Verronen, P. T. (2015). Impact of energetic particle precipitation on atmospheric chemistry and climate. In T. Dudok De Wit, I. Ermolli, M. Haberreiter, H. Kambezidis, M. M. Lam, J. Lilensten, … A. Seppälä, … Y. Yair (Eds.), Earth's climate response to a changing sun. (pp. 267-272). Les Ulis Cedex, France: EDP Sciences. doi: 10.1051/978-2-7598-1733-7.c132
Chapter in Book - Research
Chapman-Smith, K., Seppälä, A., Rodger, C. J., Hendry, A., & Forsyth, C. (2023). Observed loss of polar mesospheric ozone following substorm-driven electron precipitation. Geophysical Research Letters, 50, e2023GL104860. doi: 10.1029/2023GL104860
Journal - Research Article
Maliniemi, V., Arsenovic, P., Seppälä, A., & Tyssøy, H. N. (2022). The influence of energetic particle precipitation on Antarctic stratospheric chlorine and ozone over the 20th century. Atmospheric Chemistry & Physics, 22(12), 8137-8149. doi: 10.5194/acp-22-8137-2022
Journal - Research Article
Szeląg, M. E., Marsh, D. R., Verronen, P. T., Seppälä, A., & Kalakoski, N. (2022). Ozone impact from solar energetic particles cools the polar stratosphere. Nature Communications, 13, 6883. doi: 10.1038/s41467-022-34666-y
Journal - Research Article
Daglis, I. A., Chang, L. C., Dasso, S., Gopalswamy, N., Khabarova, O. V., Kilpua, E., … Seppälä, A., … Zong, Q. (2021). Predictability of variable solar-terrestrial coupling. Annales Geophysicae, 39(6), 1013-1035. doi: 10.5194/angeo-39-1013-2021
Journal - Research Article
Gordon, E. M., Seppälä, A., Funke, B., Tamminen, J., & Walker, K. A. (2021). Observational evidence of energetic particle precipitation NOx (EPP-NOx) interaction with chlorine curbing Antarctic ozone loss. Atmospheric Chemistry & Physics, 21, 2819-2836. doi: 10.5194/acp-21-2819-2021
Journal - Research Article
Hendry, A. T., Seppälä, A., Rodger, C. J., & Clilverd, M. A. (2021). Impact of EMIC-wave driven electron precipitation on the radiation belts and the atmosphere. Journal of Geophysical Research: Space Physics, 126, e2020JA028671. doi: 10.1029/2020JA028671
Journal - Research Article
Lee, J.-H., Jee, G., Kwak, Y.-S., Hwang, H., Seppälä, A., Song, I.-S., … Lee, D.-Y. (2021). Polar middle atmospheric responses to medium energy electron (MEE) precipitation using numerical model simulations. Atmosphere, 12, 133. doi: 10.3390/atmos12020133
Journal - Research Article
Nordström, V. J., & Seppälä, A. (2021). Does the coupling of the semiannual oscillation with the quasi-biennial oscillation provide predictability of Antarctic sudden stratospheric warmings? Atmospheric Chemistry & Physics, 21, 12835-12853. doi: 10.5194/acp-21-12835-2021
Journal - Research Article
Gordon, E. M., Seppälä, A., & Tamminen, J. (2020). Evidence for energetic particle precipitation and quasi-biennial oscillation modulations of the Antarctic NO2 springtime stratospheric column from OMI observations. Atmospheric Chemistry & Physics, 20(11), 6259-6271. doi: 10.5194/acp-20-6259-2020
Journal - Research Article
Kalakoski, N., Verronen, P. T., Seppälä, A. M., Szeląg, M. E., & Kero, A. (2020). Statistical response of middle atmosphere composition to solar proton events in WACCM-D simulations: The importance of lower ionospheric chemistry. Atmospheric Chemistry & Physics, 20(14), 8923-8938. doi: 10.5194/acp-20-8923-2020
Journal - Research Article
Newnham, D. A., Clilverd, M. A., Kosch, M., Seppälä, A., & Verronen, P. T. (2019). Simulation study for ground-based Ku-band microwave observations of ozone and hydroxyl in the polar middle atmosphere. Atmospheric Measurement Techniques, 12(2), 1375-1392. doi: 10.5194/amt-12-1375-2019
Journal - Research Article
Andersson, M. E., Verronen, P. T., Marsh, D. R., Seppälä, A., Päivärinta, S.-M., Rodger, C. J., … van de Kamp, M. (2018). Polar ozone response to energetic particle precipitation over decadal time scales: The role of medium-energy electrons. Journal of Geophysical Research: Atmospheres, 123(1), 607-622. doi: 10.1002/2017JD027605
Journal - Research Article
Newnham, D. A., Clilverd, M. A., Rodger, C. J., Hendrickx, K., Megner, L., Kavanagh, A. J., Seppälä, A., … Plane, J. M. C. (2018). Observations and modelling of increased nitric oxide in the Antarctic polar middle atmosphere associated with geomagnetic storm-driven energetic electron precipitation. Journal of Geophysical Research: Space Physics, 123, 6009-6025. doi: 10.1029/2018JA025507
Journal - Research Article
Seppälä, A., Douma, E., Rodger, C. J., Verronen, P. T., Clilverd, M. A., & Bortnik, J. (2018). Relativistic electron microburst events: Modeling the atmospheric impact. Geophysical Research Letters, 45(2), 1141-1147. doi: 10.1002/2017GL075949
Journal - Research Article
van de Kamp, M., Rodger, C. J., Seppälä, A., Clilverd, M. A., & Verronen, P. T. (2018). An updated model providing long-term data sets of energetic electron precipitation, including zonal dependence. Journal of Geophysical Research: Atmospheres, 123(17), 9891-9915. doi: 10.1029/2017JD028253
Journal - Research Article
Funke, B., Ball, W., Bender, S., Gardini, A., Harvey, V. L., Lambert, A., … Seppälä, A., … Yushkov, V. (2017). HEPPA-II model–measurement intercomparison project: EPP indirect effects during the dynamically perturbed NH winter 2008–2009. Atmospheric Chemistry & Physics, 17(5), 3573-3604. doi: 10.5194/acp-17-3573-2017
Journal - Research Article
Matthes, K., Funke, B., Andersson, M. E., Barnard, L., Beer, J., Charbonneau, P., … Rodger, C. J., … Seppälä, A., … Versick, S. (2017). Solar forcing for CMIP6 (v3.2). Geoscientific Model Development, 10, 2247-2302. doi: 10.5194/gmd-10-2247-2017
Journal - Research Article
Päivärinta, S.-M., Verronen, P. T., Funke, B., Gardini, A., Seppälä, A., & Andersson, M. E. (2016). Transport versus energetic particle precipitation: Northern polar stratospheric NOx and ozone in January–March 2012. Journal of Geophysical Research: Atmospheres, 121(10), 6085-6100. doi: 10.1002/2015JD024217
Journal - Research Article
van de Kamp, M., Seppälä, A., Clilverd, M. A., Rodger, C. J., Verronen, P. T., & Whittaker, I. C. (2016). A model providing long-term data sets of energetic electron precipitation during geomagnetic storms. Journal of Geophysical Research: Atmospheres, 121, 12520-12540. doi: 10.1002/2015JD024212
Journal - Research Article
Seppälä, A., Clilverd, M. A., Beharrell, M. J., Rodger, C. J., Verronen, P. T., Andersson, M. E., & Newnham, D. A. (2015). Substorm-induced energetic electron precipitation: Impact on atmospheric chemistry. Geophysical Research Letters, 42(19), 8172-8176. doi: 10.1002/2015GL065523
Journal - Research Article