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

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

Mar 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002spie.4678..693i&link_type=abstract

Proc. SPIE Vol. 4678, p. 693-700, Eighth International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, Ge

Physics

Optics

Scientific paper

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 foF2. 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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