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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 14, issue 3
Ann. Geophys., 14, 309–314, 1996
https://doi.org/10.1007/s00585-996-0309-y
© European Geosciences Union 1996
Ann. Geophys., 14, 309–314, 1996
https://doi.org/10.1007/s00585-996-0309-y
© European Geosciences Union 1996

  31 Mar 1996

31 Mar 1996

Observations of gravity waves in the upper and lower stratosphere by lidar and ozonesondes

N. J. Mitchell, A. J. McDonald, S. J. Reid, and J. D. Price N. J. Mitchell et al.

Abstract. Lidar observations of Rayleigh backscatter and temperature profiles measured by ozonesondes have been used to investigate gravity waves in the upper and lower stratosphere, respectively, over Aberystwyth (52.4°N, 4.1°W). Both data sets have been used to investigate the vertical wavenumber spectrum of the wave field at high wavenumbers. Similar analytic techniques applied to each data set enable direct comparison of the spectra. The possibility of laminar structures generated by differential advection contaminating gravity-wave fields deduced from temperature and/or density measurement is discussed and the behaviour of the wave-field mean potential energy reveals a seasonal cycle throughout the stratosphere with a late winter maximum and a summer minimum.

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