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Lieberman et al. 1993

Lieberman, R.S., Burrage, M.D., Gell, D.A., Hays, P.B., Marshall, A.R., Ortland, D.A., Skinner, W.R., Wu, D.L., Vincent, R.A. and Franke, S.J. (1993). Zonal mean winds in the equatorial mesosphere and lower thermosphere observed by the High Resolution Doppler Imager. Geophysical Research Letters 20: doi: 10.1029/93GL03120. issn: 0094-8276.

This paper presents analyses of mesospheric and lower thermospheric zonal mean winds observed by the High Resolution Doppler Imager (HRDI) on the Upper Atmosphere Research Satellite (UARS). Monthly averages of the equatorial zonal mean zonal winds are presented for January 1992 through June 1993. Equatorial zonal winds in the 70--90 km region are dominated by a semiannual oscillation (SAO), ranging from 30 m s-1 (westerly) to -100 m s-1 (easterly). At high latitudes the zonal wind variations are predominantly annual. Above 90 km, the low-latitude flow is easterly at all times, punctuated by a small semiannual variation. This behavior may be related to the deposition of momentum by the diurnal tides. ¿ American Geophysical Union 1993

BACKGROUND DATA FILES

	Abstract

Keywords
Meteorology and Atmospheric Dynamics, Middle atmosphere dynamics

Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/

Publisher
American Geophysical Union
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