Articles | Volume 11, issue 2
Research article
06 Feb 2018
Research article |  | 06 Feb 2018

Fluctuations of radio occultation signals in sounding the Earth's atmosphere

Valery Kan, Michael E. Gorbunov, and Viktoria F. Sofieva

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Cited articles

Alexandrov, A. P., Grechko, G. M., Gurvich, A. S., Kan, V., Manarov, M. K., Pakomov, A. I., Romanenko, Y. V., Savchenko, S. A., Serova, S. I., and Titov, V. G.: Spectra of temperature variations in the stratosphere as indicated by satellite–borne observation of the twinkling of stars, Izv. Atmos. Ocean. Phy.+, 26, 1–8, 1990. a
Bacmeister, J. T., Eckermann, S. D., Newman, P. A., Lait, L. R., Chan, K. R., Loewenstein, M., Proffitt, M. H., and Gary, B. L.: Stratospheric horizontal wavenumber spectra of winds, potential temperature and atmospheric tracers observed by high-altitude aircraft, J. Geophys. Res., 101, 9441–9470, 1996. a
Belloul, M. B. and Hauchecorne, A.: Effect of periodic horizontal gradients on the retrieval of atmospheric profiles from occultation measurements, Radio Sci., 32, 469–478, 1997. a
Bendat, J. S. and Piersol, A. G.: Random Data: Analysis and Measurement Procedures, 2nd edn., J. Wiley, New York, USA, 1986. a, b
Cornman, L. B., Frehlich, R., and Praskovskaya, E.: The detection of upper-level turbulence via GPS occultation methods, in: Occultations for Probing Atmosphere and Climate, edited by: Kirchengast, G., Foelsche, U., and Steiner, A. K., Springer Verlag, Berlin Heidelberg, Germany, 2004. a, b, c
Short summary
We discuss the relationships that link the observed fluctuation spectra of the amplitude and phase of signals used for the radio occultation sounding of the Earth's atmosphere with the spectra of atmospheric inhomogeneities. We demonstrate that the main contribution into the radio signal fluctuations comes from the internal gravity waves. These results may serve as the basis for the global monitoring of the wave activity in the stratosphere and upper troposphere.