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Peverall, R., Rosén, S., Larsson, M., Peterson, J.R., Bobbenkamp, R., Guberman, S.L., Danared, H., af Ugglas, M., Al- Khalili, A., Maurellis, A.N. and van der Zande, W.J. (2000). The ionospheric oxygen Green airglow: Electron temperature dependence and aeronomical implications. Geophysical Research Letters 27: doi: 10.1029/1999GL010711. issn: 0094-8276. |
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The laboratory measurement of processes involved in terrestrial airglows is essential in developing diagnostic tools of the dynamics and photochemistry of the upper atmosphere. Dissociative electron recombination of O2+ in the ionospheric F-region is expected to produce both O(1D) and O(1S) which are the sources of the 630.0 nm red airglow and the 557.7 nm green airglow lines, respectively. We present both theoretical and experimental evidence, the latter from a heavy ion storage ring technique, that the O(1S) quantum yield from O2+(v=0) is a strong function of the electron temperature due to a molecular resonance phenomenon. At present the O2+(v=0) theoretical and laboratory recombination data cannot explain rocket observations of the ionospheric green and red airglows [Takahashi et al. 1990; Sobral et al. 1992>. ¿ 2000 American Geophysical Union |
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Abstract |
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Keywords
Atmospheric Composition and Structure, Airglow and aurora, Atmospheric Composition and Structure, Chemical kinetic and photochemical properties, Ionosphere, Plasma temperature and density, Ionosphere, Instruments and techniques |
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Publisher
American Geophysical Union 2000 Florida Avenue N.W. Washington, D.C. 20009-1277 USA 1-202-462-6900 1-202-328-0566 service@agu.org |
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