A space-based climatology of diurnal MLT tidal winds, temperatures and densities from UARS wind measurements

Details A space-based climatology of diurnal MLT tidal winds, temperatures and densities from UARS wind measurements A space-based climatology of diurnal MLT tidal winds, temperatures and densities from UARS wind measurements

Nov 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005jastp..67.1533s&link_type=abstract

Journal of Atmospheric and Solar-Terrestrial Physics, Volume 67, Issue 16, p. 1533-1543.

Physics

10

Scientific paper

A self-consistent global tidal climatology, useful for comparing and interpreting radar observations from different locations around the globe, is created from space-based Upper Atmosphere Research Satellite (UARS) horizontal wind measurements. The climatology created includes tidal structures for horizontal winds, temperature and relative density, and is constructed by fitting local (in latitude and height) UARS wind data at 95 km to a set of basis functions called Hough mode extensions (HMEs). These basis functions are numerically computed modifications to Hough modes and are globally self-consistent in wind, temperature, and density. We first demonstrate this self-consistency with a proxy data set from the Kyushu University General Circulation Model, and then use a linear weighted superposition of the HMEs obtained from monthly fits to the UARS data to extrapolate the global, multi-variable tidal structure. A brief explanation of the HMEs’ origin is provided as well as information about a public website that has been set up to make the full extrapolated data sets available.

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