Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 39, issue 5
Articles | Volume 39, issue 5
https://doi.org/10.5194/angeo-39-795-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/angeo-39-795-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 39, issue 5
Regular paper
 | 
09 Sep 2021
Regular paper |  | 09 Sep 2021

On the relationship of energetic particle precipitation and mesopause temperature

Florine Enengl, Noora Partamies, Nickolay Ivchenko, and Lisa Baddeley

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Cited articles

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Blelly, P. L., Alcaydé, D., and van Eyken, A. P.: A new analysis method for determining polar ionosphere and upper atmosphere characteristics from ESR data: Illustration with IPY period, J. Geophys. Res.-Space, 115, A09322, https://doi.org/10.1029/2009JA014876, 2010. a
Cho, Y. M. and Shepherd, G. G.: Correlation of airglow temperature and emission rate at Resolute Bay (74.68∘ N), over four winters (2001–2005, Geophys. Res. Lett., 33, L06815, https://doi.org/10.1029/2005GL025298, 2006. a
Cresswell-Moorcock, K., Rodger, C. J., Kero, A., Collier, A. B., Clilverd, M. A., Haggstrom, I., and Pitkanen, T.: A reexamination of latitudinal limits of substorm-produced energetic electron precipitation, J. Geophys. Res.-Space, 118, 6694–6705, https://doi.org/10.1002/jgra.50598, 2013. a, b
Gavrilyeva, G. and Ammosov, P.: Influence of geomagnetic activity on mesopause temperature over Yakutia, Atmos. Chem. Phys., 18, 3363–3367, https://doi.org/10.5194/acp-18-3363-2018, 2018. a
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Energetic particle precipitation has the potential to change the neutral atmospheric temperature at the bottom of the ionosphere. We have searched for events and investigated a possible correlation between lower-ionosphere electron density enhancements and simultaneous neutral temperature changes. Six of the 10 analysed events are associated with a temperature decrease of 10–20K. The events change the chemical composition in the mesosphere, and the temperatures are probed at lower altitudes.
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Special Issue on the joint 19th International EISCAT Symposium...