Lower stratosphere 10 Atmospherics 6 Computer simulation 6 Gravity waves 6 Upper troposphere 6 Andes 4 Antarctic Peninsula 4 Antarctica 4 Atmospheric temperature 4 Background winds 4 Balloons 4 Constant pressures 4 Continuous Wavelet Transform 4 Different mechanisms 4 Dominant mode 4 Down-scaling 4 Drake Passage 4 Drake passage 4 Equipartition 4 European Centre for Medium-Range Weather Forecasts 4 In-situ 4 Kinetic waves 4 Mesoscale model simulation 4 Momentum flux 4 Partial waves 4 Pressure level 4 Reinitialization 4 Remote sensing 4 Research 4 Research programs 4