Wavelike Oscillations in High Latitude Thermospheric Doppler Temperature and Line-of-Sight Wind Observed Using All-Sky Imaging Fabry-Perot Spectrometers
Abstract:Multiple years of thermospheric wind and temperature data were examined to study gravity waves in Earth's thermosphere.Winds and temperatures were measured using all-sky imaging optical Doppler spectrometers deployed at three sites in Alaska, and three in Antarctica. For all sites, oscillatory perturbations were clearly present in high-pass temporally filtered F-region line-of-sight (LOS) winds for the majority of the clear-sky nights. Oscillations were also discernible in E-region LOS wind and F-region Dopple… Show more
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