Morphological features of the atmosphere temperature regime in the south region of East Siberia

Marina A. Chernigovskaya

doi:10.1117/12.823815

11 February 2009 Morphological features of the atmosphere temperature regime in the south region of East Siberia

Marina A. Chernigovskaya

Proceedings Volume 7296, Fifteenth International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics; 72960K (2009) https://doi.org/10.1117/12.823815
Event: Fifteenth International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 2008, Krasnoyarsk, Russian Federation

Abstract

The altitude and temporal variations of the troposphere, stratosphere, and mesosphere temperature for the Irkutsk region (52°N, 104°E) over the period from August 2004 to March 2008 has been analyzed. We used the satellite data of vertical temperature distribution by MLS (Microwave Limb Sounder) aboard the spacecraft EOS Aura. Diurnal, interdiurnal and seasonal variations of the temperature were considered for height levels about 11, 50, and 80 km. The mean annual temperature variations at given heights were obtained by averaging for each day of year for the investigated period. The temporal variations of the temperature and the height of the stratopause and mesopause for day and night conditions were studied. We have plotted and analyzed altitude-temporal maps of the atmosphere temperature distribution for each month of the period under consideration. The existence of considerably different temperature regimes in the middle atmosphere for summer and winter periods is underlined. In summer, the altitude temperature distribution at the considered height interval is regular with well-defined warm stratopause and cold mesopause. In winter, the altitude temperature distribution is of irregular structure; well-defined stratopause and mesopause are absent.

Citation Download Citation

Marina A. Chernigovskaya "Morphological features of the atmosphere temperature regime in the south region of East Siberia", Proc. SPIE 7296, Fifteenth International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 72960K (11 February 2009); https://doi.org/10.1117/12.823815

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