Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 35, issue 3
Articles | Volume 35, issue 3
https://doi.org/10.5194/angeo-35-453-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/angeo-35-453-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 35, issue 3
Regular paper
 | 
21 Mar 2017
Regular paper |  | 21 Mar 2017

Diurnal variations in integrated water vapor derived from a GPS ground network in the Volga–Ural region of Russia

Vladislav V. Kalinnikov and Olga G. Khutorova

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Short summary
Here, we present estimates of diurnal and semidiurnal harmonics of variations in integrated water vapor content (IWV) according to GPS data in the Volga–Ural region during 2013–2015. Comparison of diurnal cycle from GPS data and ERA-Interim reanalysis has revealed significant differences in the phase. It is found that, as a result of evaporation from underlying surface and convective lifting of moist air, the summer diurnal variations in IWV and surface density of water vapor are in antiphase.
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