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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, 2018, Vol. 15, No. 3, pp. 252-260

Atmospheric moisture content variability from GPS-GLONASS data near the Kazan city

O.G. Khutorova 1 , V.E. Khutorov 1 , V.V. Dementiev 1 , A.S. Blizorukov 1 , G.E. Korchagin 1 
1 Kazan Federal University, Kazan, Russia
Accepted: 17.05.2018
DOI: 10.21046/2070-7401-2018-15-3-252-260
Using the GPS-GLONASS signals, the characteristics of time series of the integrated water vapor in the Kazan city area were determined. The annual amplitude of integrated water vapor is 10.2 mm of precipitated water. The main contribution, up to 63 % to the integrated water vapor variations dispersion, is provided by seasonal variations; mesoscale processes provide about 7 %, synoptic processes — 22 %, the linear trend ― less than 1 %. Wavelet analysis of the integrated water vapor series for 2009–2015 showed, that the intensity of synoptic and mesoscale variations for all the investigated parameters is modulated by the annual variation harmonics, with the maximum of the variability observed in the summer period. The interannual variability is found both in synoptic and mesoscale variations of the integrated moisture content.
Keywords: GPS, Integrated water vapor
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