Energy enhancements of gravity waves in the Antarctic lower stratosphere associated with variations in the polar vortex and tropospheric disturbances

@inproceedings{Yoshiki2004EnergyEO,
  title={Energy enhancements of gravity waves in the Antarctic lower stratosphere associated with variations in the polar vortex and tropospheric disturbances},
  author={Motoyoshi Yoshiki and Nobuhiko Kizu and Kaoru Sato},
  year={2004}
}
[1] Gravity waves in the Antarctic lower stratosphere are examined using original operational radiosonde data obtained at Syowa Station (69.0°S, 39.6°E) with fine vertical resolution. In the lower stratosphere the temporal variation in gravity wave energy depends on height. In the height region of 13–15 km, just above the tropopause, the seasonal variation in gravity wave energy is not evident. The wave energy is rather enhanced when the absolute value of potential vorticity in the upper… CONTINUE READING

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