The excitation of the infrared atmospheric oxygen bands in the nightglow期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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The excitation of the infrared atmospheric oxygen bands in the nightglow

Authors:	EJ Llewellyn BH Solheim

Institution:	Institute of Space and Atmospheric Studies, University of Saskatchewan, Saskatoon, Sask, Canada

Abstract:	Simultaneous observations of the nightgiow emission profiles of $O_{2} (^{1} Δ)$ and the OH Meinel bands have been used to show that the excitation mechanism for $O_{2} (^{1} Δ)$ in the night-time is through the reaction between OH¹ and atomic oxygen and the recombination of atomic oxygen. These reactions, and the proposed rate constants, have been used to derive the atomic oxygen profile appropriate to the observations. It is suggested that the atomic oxygen profile may exhibit significant structure near the mesopause at high latitude. It is also suggested that the extent of this structure may be influenced by transport effects related to stratospheric warming events.

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