A comparison of optical and radar measurements of mesospheric winds and tides

Details A comparison of optical and radar measurements of mesospheric winds and tides A comparison of optical and radar measurements of mesospheric winds and tides

Aug 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000georl..27.2477g&link_type=abstract

Geophysical Research Letters, Volume 27, Issue 16, p. 2477-2480

Physics

1

Meteorology And Atmospheric Dynamics: Mesospheric Dynamics, Meteorology And Atmospheric Dynamics: Middle Atmosphere Dynamics, Meteorology And Atmospheric Dynamics: Waves And Tides, Radio Science: Radar Atmospheric Physics

Scientific paper

Optical measurements of mesospheric winds by Fabry-Perot spectrometers, FPSs, at Mawson, 67.6° S 62.9° E, and Davis, 68.6° S 78.0° E, Antarctica are compared with similar measurements obtained using a spaced-antenna MF radar at Davis. The FPSs observed the OH emission. Different analysis procedures, used to determine the mean wind, and amplitude and phase of the semidiurnal tide, have been compared. At these latitudes the diurnal tide is weak and the semi-diurnal tide, although highly variable in amplitude, is usually the dominant periodicity. When comparing the amplitude and phase of the semidiurnal tide good agreement is obtained between measurements by the two instruments.

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