Articles | Volume 40, issue 2
Ann. Geophys., 40, 247–257, 2022
https://doi.org/10.5194/angeo-40-247-2022
Ann. Geophys., 40, 247–257, 2022
https://doi.org/10.5194/angeo-40-247-2022
Regular paper
02 May 2022
Regular paper | 02 May 2022

Propagating characteristics of mesospheric gravity waves observed by an OI 557.7 nm airglow all-sky camera at Mt. Bohyun (36.2° N, 128.9° E)

Jun-Young Hwang et al.

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Short summary
We analysed all-sky camera images observed at Mt. Bohyun observatory (36.2° N, 128.9° E) for the period of 2017–2019. We retrieved gravity wave parameters including horizontal wavelength, phase velocity and period from the image data. The horizontally propagating directions of the wave were biased according to their seasons, exerted with filtering effect by prevailing background winds. We also evaluated the nature of vertical propagation of the wave for each season.