Atmos. Chem. Phys. Discuss., 8, 4669-4691, 2008
www.atmos-chem-phys-discuss.net/8/4669/2008/
doi:10.5194/acpd-8-4669-2008
© Author(s) 2008. This work is distributed
under the Creative Commons Attribution 3.0 License.
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This discussion paper has been under review for the journal Atmospheric Chemistry and Physics (ACP). Please refer to the corresponding final paper in ACP.
Enhancement of N2O during the October–November 2003 solar proton events
B. Funke1, M. García-Comas1, M. López-Puertas1, N. Glatthor2, G. P. Stiller2, T. von Clarmann2, K. Semeniuk3, and J. C. McConnell3
1Instituto de Astrofísica de Andalucía, CSIC, Granada, Spain
2Forschungszentrum Karlsruhe und Universität Karlsruhe, Institut für Meteorologie und Klimaforschung, Karlsruhe, Germany
3Department of Earth and Space Science and Engineering, York University, Toronto, Ontario, Canada

Abstract. In this paper we present evidence of enhanced N2O concentrations in the upper stratosphere/lower mesosphere polar regions after the solar proton events that occurred during October–November 2003. The observations were performed by the MIPAS instrument on the Envisat satellite. Simulations performed using the Canadian Middle Atmospheric Model (CMAM) show that such enhancements are most likely produced by the reaction of N(4S) with NO2, both of which species are largely enhanced just after the solar proton events in the winter polar night.

Citation: Funke, B., García-Comas, M., López-Puertas, M., Glatthor, N., Stiller, G. P., von Clarmann, T., Semeniuk, K., and McConnell, J. C.: Enhancement of N2O during the October–November 2003 solar proton events, Atmos. Chem. Phys. Discuss., 8, 4669-4691, doi:10.5194/acpd-8-4669-2008, 2008.
 
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