A Method of Inversing the Peak Density of Atomic Oxygen Vertical Distribution in the MLT Region From the OI (557.7nm) Night Airglow Intensity |
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| Authors: | H Gao JY Xu W Yuan |
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| Institution: | 1. Laboratory for Space Weather, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100080, China;China-Russia Joint Resea.rch Center on Space Weather;Graduate School, Chinese Academy of Sciences, Beijing 100039
2. Laboratory for Space Weather, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100080, China;China-Russia Joint Resea.rch Center on Space Weather |
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| Abstract: | In this paper, using the MSISE-90 model as the reference atmosphere, we discuss the feasibility and method of deducing the peak densities of the undisturbed atomic oxygen profiles in the MLT region (the mesosphere and lower thermosphere region) from OI (557.7 nm) night airglow intersities. The peak densities for different seasons, latitudes and longitudes are deduced from OI (557.7 nm) airglow intensities through this expression. We analyze the features of inversion relative errors and discuss the influence of the variations in temperature on inversion errors. The results indicate that all inversion errors are less than 5% except for those at high altitudes in the summer hemisphere. And the impact of the variations in temperature on errors is not significant. |
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| Keywords: | OI (557 7 nm) airglow intensity Mesopause Atomic oxygen distribution Peak density |
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