Observations of the quasi 2-day wave from the High Resolution Doppler Imager on UARS

Details Observations of the quasi 2-day wave from the High Resolution Doppler Imager on UARS Observations of the quasi 2-day wave from the High Resolution Doppler Imager on UARS

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993georl..20.2853w&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 20, no. 24, p. 2853-2856

Physics

65

Fabry-Perot Interferometers, Mesosphere, Oscillations, Radar Measurement, Satellite Imagery, Thermosphere, Amplitudes, Doppler Effect, Least Squares Method, Space-Time Functions, Upper Atmosphere Research Satellite (Uars)

Scientific paper

A strong westward traveling oscillation, with a period of 2 days and zonal wave number 3, is observed in the mesospheric and lower thermospheric winds from the High Resolution Doppler Imager (HRDI) on the Upper Atmosphere Research Satellite (UARS). The important events happen in January, July, and September/October, of which the occurrence in January is the strongest with an amplitude over 60 m/s. Detailed analyses for the periods of January 1992 and January 1993 reveal a cause-and-effect relationship in the wave developing process at 95 km. The global structures of the wave amplitude and phase are also presented.

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