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ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa
CURRENT PROBLEMS IN REMOTE SENSING OF THE EARTH FROM SPACE

  

Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2011, Vol. 8, No. 1, pp. 271-279

The Latitude-Time Structure of the Quasi-Biennial Oscillations of a Radio Thermal Field (Troposphere)

G.R. Khairullina , N.M. Astafieva 
Space Research Institute (IKI RAN), 117997, Moscow, Profsoyuznaya, 84/32
Interannual variability of an atmosphere and, in particular, quasi-biennial oscillation (QBO) are investigated. Most researches are devoted to studying QBO of zonal wind in an equatorial stratosphere. The present study investigates variability of a radio thermal field of the Earth at the frequencies containing the information about a moisture and water integral content distribution in a troposphere. It is shown that QBO being the major process of an equatorial stratosphere are characteristic for a radio thermal field of the Earth in a microwave range, i.e. for the troposphere. The structure of a radio thermal fields over Atlantic ocean is studied by using different smoothing technique and regression analysis. It is allowed to reveal latitudinal structure of interannual variability in a troposphere and the basic tendencies (trends) of a radio thermal field. It is shown that QBO are become apparent in very important characteristic of tropical cyclonegenesis - in a moisture integral content in a troposphere, that is indicated the links between QBO and tropical cyclogenesis (which is contested by some researchers) than its absence.
Keywords: general circulation of atmosphere, quasi-biennial oscillation, microwave satellite monitoring, global radio thermal field, tropical cyclogenesis
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