ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa


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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