Solar Diurnal Tides in the Middle Atmosphere: Interactions with the Zonal-Mean Flow, Planetary Waves and Gravity Waves
作者： Ulrich Achatz , Fabian Senf , Norbert Grieger
DOI: 10.1007/978-94-007-4348-9_27
关键词: Infragravity wave 、 Geophysics 、 Atmospheric sciences 、 Thermosphere 、 Atmospheric wave 、 Geology 、 Mean flow 、 Gravity wave 、 Internal wave 、 Refraction (sound) 、 Atmosphere
摘要: The dynamics of solar tides is investigated with regard to variations the background atmosphere, including planetary waves (PW), and interaction gravity (GW). (1) Using a linear model clear cause-effect relationship, it shown that play an important role in tidal dynamics, most importantly by inducing non-migrating components from migrating thermal forcing. (2) Ray-tracing simulations are used analyze GW force on large-scale flow tides. In comparison classic parameterizations, inclusion time-dependence horizontal refraction leads significant decrease drag.
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