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Journal Article

Effect of the vertical gradients of temperature and wind velocity in the stratosphere on phase fluctuations in radio occultation measurements

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Kornblueh,  Luis
The Ocean in the Earth System, MPI for Meteorology, Max Planck Society;
Director’s Research Group OES, The Ocean in the Earth System, MPI for Meteorology, Max Planck Society;

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Citation

Gurvich, A. S., Fedorova, O. V., & Kornblueh, L. (2004). Effect of the vertical gradients of temperature and wind velocity in the stratosphere on phase fluctuations in radio occultation measurements. Izvestiya, Atmospheric and Oceanic Physics, 40, 134-141.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0012-008B-F
Abstract
One-dimensional spatial spectra of stratospheric phase fluctuations of radio signals are considered using the data of 194 events of radio occultation observations in the GPS-Microlab-1 satellite system. Investigations are carried out for heights ranging from 15-18 km to 25-28 km. Among the spectra of eikonal increments, three groups with the power-law decrease of the spectral density are revealed with the corresponding exponents approximately equal to -5/3, -3, and -4. Spectra with exponents smaller than -5 are attributed to the fourth group; they occur in approximately half the cases. It is shown that the form of the spectrum depends on the temperature profile and the wind-velocity vertical gradient in the region of sounding