Seasonal variation of upper-atmospheric emission in the atomic oxygen 558-nm line

Alexander V. Mikhalev; Irina V. Medvedeva

doi:10.1117/12.497343

28 March 2003 Seasonal variation of upper-atmospheric emission in the atomic oxygen 558-nm line

Alexander V. Mikhalev, Irina V. Medvedeva

Proceedings Volume 5027, Ninth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics. Part II: Laser Sensing and Atmospheric Physics; (2003) https://doi.org/10.1117/12.497343
Event: Ninth Joint International symposium on Atmospheric and Ocean Optics, 2002, Tomsk, Russian Federation

Abstract

Upper-atmospheric airglow observations were used to investigate the seasonal variation of upper-atmospheric emission in the atomic oyxgen 558 nm line over the region of East Siberia. There is a qualitative agreement with the seasonal variations of 558 nm emission obtained in preceding decades at other mid-latitude stations, as well as with model approximations. Quantitative differences of the seasonal variation of 558 nm emission for the region of East Siberia are considered, which imply a more pronounced autumn maximum and larger values of monthly mean 558 nm emission intensities in the winter months. An analysis of the factors and phenomena that are responsible for the seasonal variation of 558 nm emission, and a comparision with the wind regime dynamics of the upper mesosphere - lower thermosphere as well as with stratospheric warmings in the region of East Siberia suggests the existence regional features in the seasonal variation of 558 nm emission.

Citation Download Citation

Alexander V. Mikhalev and Irina V. Medvedeva "Seasonal variation of upper-atmospheric emission in the atomic oxygen 558-nm line", Proc. SPIE 5027, Ninth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics. Part II: Laser Sensing and Atmospheric Physics, (28 March 2003); https://doi.org/10.1117/12.497343

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