Articles | Volume 20, issue 4
Atmos. Chem. Phys., 20, 2367–2386, 2020
https://doi.org/10.5194/acp-20-2367-2020
Atmos. Chem. Phys., 20, 2367–2386, 2020
https://doi.org/10.5194/acp-20-2367-2020
Research article
28 Feb 2020
Research article | 28 Feb 2020

First measurements of tides in the stratosphere and lower mesosphere by ground-based Doppler microwave wind radiometry

Jonas Hagen et al.

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Short summary
The middle atmosphere (30 to 70 km altitude) is stratified and, despite very strong horizontal winds, there is less mixing between the horizontal layers. An important driver for the energy exchange between the layers in this regime is atmospheric tides, which are waves that are driven by the diurnal cycle of solar heating. We measure these tides in the wind field for the first time using a ground-based passive instrument. Ultimately, such measurements could be used to improve atmospheric models.
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