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Table 1 Basic characteristics of atmospheric waves

From: The geospace response to variable inputs from the lower atmosphere: a review of the progress made by Task Group 4 of CAWSES-II

  Gravity (buoyancy) waves Atmospheric tides Planetary waves
Spatial scale Local; 10 to 1,000 s of kilometers Global; 10,000 s of kilometers Global; 10,000 s of kilometers
Temporal scale Minutes to hours 1 day or harmonics Days to weeks
Excitation Mechanical distortions, latent heating Solar heating, latent heating Mechanical distortions, baroclinic instabilities