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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Cited articles

Baumgarten, G., Fiedler, J., Hildebrand, J., and Lübken, F.-J.: Inertia gravity wave in the stratosphere and mesosphere observed by Doppler wind and temperature lidar, Geophys. Res. Lett., 42, 10929–10936, https://doi.org/10.1002/2015GL066991, 2015.
Belova, A., Kirkwood, S., Murtagh, D., Mitchell, N., Singer, W., and Hocking, W.: Five-day planetary waves in the middle atmosphere from Odin satellite data and ground-based instruments in Northern Hemisphere summer 2003, 2004, 2005 and 2007, Ann. Geophys., 26, 3557–3570, https://doi.org/10.5194/angeo-26-3557-2008, 2008.
Brasseur, G. and Solomon, S.: Aeronomy of the Middle Atmosphere: Chemistry and Physics of the Stratosphere and Mesosphere, Vol. 32, Springer, 2006.
Deuber, B., Kämpfer, N., and Feist, D. G.: A new 22-GHz Radiometer for Middle Atmospheric Water Vapour Profile Measurements, IEEE T. Geosci. Remote, 42, 974–984, https://doi.org/10.1109/TGRS.2004.825581, 2004.
Deuber, B., Haefele, A., Feist, D. G., Martin, L., Kämpfer, N., Nedoluha, G. E., Yushkov, V., Khaykin, S., Kivi, R., and Vomel, H.: Middle Atmospheric Water Vapour Radiometer – MIAWARA: Validation and first results of the LAUTLOS/WAVVAP campaign, J. Geophys. Res., 110, D13306, https://doi.org/10.1029/2004JD005543, 2005.
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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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