Summer circulation in the Antarctic middle atmosphere

Details Summer circulation in the Antarctic middle atmosphere Summer circulation in the Antarctic middle atmosphere

Feb 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984jatp...46..143f&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 46, Feb. 1984, p. 143-146. Research supported by the Unive

Physics

17

Antarctic Regions, Atmospheric Circulation, Middle Atmosphere, Polar Meteorology, Meridional Flow, Summer, Wind Direction, Wind Velocity

Scientific paper

In November 1982 a partial reflection drifts system for the measurement of winds in the mesosphere and lower thermosphere was installed as part of the New Zealand Antarctic Research Programme at Scott Base (77.8 S, 166.7 E), Ross Island, Antarctica. The wind speed and direction are measured once an hour from echoes available at the time within a height range of 67-97 km. Initial observations made during December 1982 show westward winds between 70 and 90 km, reaching a broad maximum of about 25 m/s around 85 km. There is a strong (10 m/s) meridional component away from the pole at heights of 85-95 km.

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