The 8-hour tide in the Arctic mesosphere and lower thermosphere

Reference:

Younger, P. T., Pancheva, D., Middleton, H. R. and Mitchell, N. J., 2002. The 8-hour tide in the Arctic mesosphere and lower thermosphere. Journal of Geophysical Research, 107 (A12).

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Abstract

[1] An all-sky VHF meteor radar at Esrange (68degreesN, 21degreesE) near Kiruna in Northern Sweden has been used to investigate the 8-hour tide in the Arctic mesosphere and lower thermosphere. We present a climatology of the 8-hour tide over the period October 1999 to April 2001. The tide appears to be a persistent feature of the Arctic atmosphere, although a large day-to-day variability of the tidal amplitude is observed. At times the 8-hour tide reaches amplitudes over 30 m s(-1). The amplitude of the tide increases with height across the observed height range of similar to80-100 km. Monthly mean tidal amplitudes range from

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