Articles | Volume 17, issue 2
Atmos. Chem. Phys., 17, 911–919, 2017
Atmos. Chem. Phys., 17, 911–919, 2017

Research article 20 Jan 2017

Research article | 20 Jan 2017

Short-period mesospheric gravity waves and their sources at the South Pole

Dhvanit Mehta et al.

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Cited articles

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Short summary
This paper presents an investigation into the sources of atmospheric gravity waves observed at 90 km above Amundsen-Scott South Pole Station, Antarctica. By combining gravity wave characteristics obtained from imager data and a numerical model for 3-D wave propagation through the atmosphere, we find that the development of baroclinic instabilities via displacement of the polar vortex is a significant and unique source of vertically propagating, short-period (< 1 h) gravity waves in the region.
Final-revised paper