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Proceedings Paper

Multi-year changes of mesoscale variations in atmospheric parameters from the data of GNSS satellites
Author(s): Nikolai M. Gavrilov; Rada O. Manuilova
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Paper Abstract

Multiyear global climatology of mesoscale variations of atmospheric parameters at altitudes 2 - 35 km from radio occultation experiments with low-orbit satellites receiving GNSS signals is considered. Numerical filtering of vertical radio refraction profiles gives information about standard deviations of variations with vertical scales less than 8 km. Global distributions of the standard deviations are subjects for significant inter-annual changes in the tropo-stratosphere. Seasonal changes of radio refraction and temperature standard deviations obtained with Microlab 1, CHAMP and COSMIC satellites are analyzed and compared. At low latitudes, quasi-biennial oscillations exist. The causes of mesoscale variability may be convection, acoustic-gravity waves and turbulence in the atmosphere.

Paper Details

Date Published: 30 November 2017
PDF: 8 pages
Proc. SPIE 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1046679 (30 November 2017); doi: 10.1117/12.2284632
Show Author Affiliations
Nikolai M. Gavrilov, Saint-Petersburg State Univ. (Russian Federation)
Rada O. Manuilova, Saint-Petersburg State Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 10466:
23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics
Gennadii G. Matvienko; Oleg A. Romanovskii, Editor(s)

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