Articles | Volume 20, issue 22
https://doi.org/10.5194/acp-20-14437-2020
https://doi.org/10.5194/acp-20-14437-2020
Research article
 | 
27 Nov 2020
Research article |  | 27 Nov 2020

Gravity-wave-perturbed wind shears derived from SABER temperature observations

Xiao Liu, Jiyao Xu, Jia Yue, and Hanli Liu

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Cited articles

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Alexander, M. J., Gille, J., Cavanaugh, C., Coffey, M., Craig, C., Eden, T., Francis, G., Halvorson, C., Hannigan, J., Khosravi, R., Kinnison, D., Lee, H., Massie, S., Nardi, B., Barnett, J., Hepplewhite, C., Lambert, A., and Dean, V.: Global estimates of gravity wave momentum flux from High Resolution Dynamics Limb Sounder observations, J. Geophys. Res., 113, 1–11, https://doi.org/10.1029/2007jd008807, 2008. 
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Short summary
Large wind shears in the mesosphere and lower thermosphere are recognized as a common phenomenon. Simulation and ground-based observations show that the main contributor of large wind shears is gravity waves. We present a method of deriving wind shears induced by gravity waves according to the linear theory and using the global temperature observations by SABER (Sounding of the Atmosphere using Broadband Emission Radiometry). Our results agree well with observations and model simulations.
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