Study of the upper atmosphere dynamics using highly sensitive multi-point optical instruments

我们在俄罗斯、加拿大、日本、挪威、印度尼西亚、泰国和澳大利亚用5台法布里-珀罗涉仪和10多台天空气辉成像仪对夜间气辉进行了多点观测，得到了80-300公里高空大气动力学变化的各种有趣的结果。这些结果的突出例子是(1)中尺度行进电离层扰动在亚极光纬度的各种动力学变化，(2)小尺度重力波在中层顶区传播的证据，(3)台风诱导的小尺度重力波传播到中层顶区的证据，以及(4)赤道等离子体气泡向东传播与热层东风的关系。

We have obtained various interesting results on the dynamical variations of the upper atmosphere at altitudes of 80-300 km using multi-point observation of nighttime airglow by 5 Fabry-Perot interferometers and more than 10 al-sky airglow imagers at Russia, Canada, Japan, Norway, Indonesia, Thailand, and Australia. Outstanding examples of the results are (1) various dynamical variations of medium-scale traveling ionospheric disturbances at subauroral latitudes, (2) evidence of duct propagation of small-scale gravity waves in the mesopause region, (3) evidence of a typhoon-induced small-scale gravity wave propagation to the mesopause region, and (4) relationship of eastward propagation of equatorial plasma bubbles and eastward thermospheric wind.