Articles | Volume 17, issue 24
https://doi.org/10.5194/acp-17-14905-2017
https://doi.org/10.5194/acp-17-14905-2017
Research article
 | 
18 Dec 2017
Research article |  | 18 Dec 2017

Quasi 18 h wave activity in ground-based observed mesospheric H2O over Bern, Switzerland

Martin Lainer, Klemens Hocke, Rolf Rüfenacht, and Niklaus Kämpfer

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Latest update: 17 Apr 2024
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Short summary
We report on middle-atmospheric water vapor measurements above Bern from the ground-based microwave radiometer MIAWARA (NDACC affiliated) during two winter periods of 6 months. Quasi 18 h oscillations of mesospheric water vapor above 0.1 hPa are observed. Further, the 18 h wave is seen in a zonal wind data set from the Doppler wind radiometer WIRA. Inertia-gravity-wave-induced fluctuations or a nonlinear coupling between tides and quasi 2-day waves are considered as possible drivers.
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