Enhancement of N2O during the October–November 2003 solar proton events

In this paper we present evidence of enhanced N 2 O 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 performe...

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Bibliographic Details
Main Authors: K. Semeniuk, T. von Clarmann, G. P. Stiller, M. López-Puertas, N. Glatthor, M. García-Comas, B. Funke, J. C. McConnell
Format: Article in Journal/Newspaper
Language:English
Published: Copernicus Publications 2008
Subjects:
Physics
QC1-999
Chemistry
QD1-999
polar night
Online Access:https://doaj.org/article/6d4e990796ff41039570f05e2bb0df44
Description
Summary:In this paper we present evidence of enhanced N 2 O 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( 4 S) with NO 2 , both of which species are largely enhanced just after the solar proton events in the winter polar night.

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