amplitude gravity wave 12 Gravity waves 10 wave propagation 10 Atlantic Ocean 8 Computer simulation 8 Wave amplitudes 8 numerical model 8 wavelength 8 Argentina 6 Gravitational effects 6 Patagonian Shelf 6 South America 6 Analytical expressions 4 Andes 4 Antarctic Peninsula 4 Antarctica 4 Atmospherics 4 Background winds 4 Brazil Current 4 Climate variables 4 Constant pressures 4 Continuous Wavelet Transform 4 Delta functions 4 Different mechanisms 4 Dominant mode 4 Down-scaling 4 Drake Passage 4 Drake passage 4 Equipartition 4