Analysis of interannual oscillations of the surface air temperature in the cities of Tomsk and Irkutsk and their relation to some geophysical processes

Ivan I. Ippolitov; Mikhail V. Kabanov; Sergey V. Loginov

doi:10.1117/12.458511

28 February 2002 Analysis of interannual oscillations of the surface air temperature in the cities of Tomsk and Irkutsk and their relation to some geophysical processes

Ivan I. Ippolitov, Mikhail V. Kabanov, Sergey V. Loginov

Author Affiliations +

Proceedings Volume 4678, Eighth International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; (2002) https://doi.org/10.1117/12.458511
Event: Eighth Joint International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2001, Irkutsk, Russian Federation

Abstract

Time series of the surface air temperature for Tomsk and Irkutsk over a period of 1881-1995 were investigated using wavelet transformations. In both time series the oscillation structures of the scales of 3 - 7; 8 - 12; 13 - 24; 28 - 40; 50 - 64 years were found out. Simultaneously, we analyzed the series of the South Oscillation Index (SOI), the geomagnetic planetary index Ap, the Wolf numbers W, the critical frequencies of the F2 layer of the ionosphere f_oF2. We also performed a correlation analysis both of the series of the considered values and the periodicities of various scales. The significant correlation for the series taking on the value of 0.69 is observed only between the surface temperature series. A significant anticorrelation was found between the temperature oscillations and the SOI in the scales of the order of 22 years. A positive correlation occurred for the temperature and Ap in the scale of 30 years, and for the temperature and W over a period of 22 years.

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Ivan I. Ippolitov, Mikhail V. Kabanov, and Sergey V. Loginov "Analysis of interannual oscillations of the surface air temperature in the cities of Tomsk and Irkutsk and their relation to some geophysical processes", Proc. SPIE 4678, Eighth International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, (28 February 2002); https://doi.org/10.1117/12.458511

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