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A consequence of the wave-number rich tidal activity that has been observed in the southern polar MLT is that the horizontal flux of horizontal momentum (u'v') is likely to be non-zero. This quantity is affected by the phase angle between the zonal and meridional wind perturbations.
Source regions for the westward propagating zonal … wavenumber one and three components of the semidiurnal … tide observed in the summer mesosphere and lower … thermosphere over Antarctica are identified by correlating … local tidal variations with global planetary wave one activity … in the…
[1] Nine years (1997 to 2005) of nighttime hydroxyl (6-2) band rotational temperatures … were measured with a scanning spectrometer over Davis station, Antarctica (68.6S, 78.0E). A novel time series analysis technique is employed to create continuous longterm … time series…
A function that approximates atmospheric tidal behavior in the polar regions is … described.
The international cooperation that makes Antarctica a continent for science has enabled … observations of the Antarctic middle atmosphere that are not possible anywhere else on … Earth. Atmospheric radars operated by Australia (Davis), Japan (Syowa), the UK and the … USA (Rothera)…
The atmospheric tides are a dominant and persistent feature of the mesosphere and lowerthermosphere … region of the atmosphere which spans from 80 to 120km above the Earth’s … surface. The tides…