Articles | Volume 34, issue 2
https://doi.org/10.5194/angeo-34-203-2016
https://doi.org/10.5194/angeo-34-203-2016
Regular paper
 | 
10 Feb 2016
Regular paper |  | 10 Feb 2016

Global distribution of vertical wavenumber spectra in the lower stratosphere observed using high-vertical-resolution temperature profiles from COSMIC GPS radio occultation

Noersomadi and T. Tsuda

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Short summary
We studied the characteristics of gravity waves in the lower stratosphere using high-vertical-resolution COSMIC GPS-RO temperature profiles retrieved by the FSI method. We analyzed vertical wavenumber spectrum of the normalized temperature perturbations and calculated the wave potential energy in the wavelength ranges from 0.5 to 3.5 and 0.5 to 1.75 km. We investigated the correlation between the spectral parameters with topography and the background mean zonal winds.