Observations of the F-region horizontal and vertical winds in the auroral zone

Details Observations of the F-region horizontal and vertical winds in the auroral zone Observations of the F-region horizontal and vertical winds in the auroral zone

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993angeo..11...17f&link_type=abstract

Annales Geophysicae (ISSN 0992-7689), vol. 11, no. 1, p. 17-28.

Physics

18

Airglow, Atmospheric Models, Auroral Zones, F Region, Vertical Air Currents, Winds Aloft, Magnetic Effects, Meridional Flow, Thermosphere, Zonal Flow (Meteorology)

Scientific paper

A Michelson Interferometer for Coordinated Auroral Doppler Observations (MICADO) has been designed to observe winds and temperature in the mesosphere and thermosphere. MICADO is based on a thermally stable field compensated Michelson interferometer associated with a set of calibration sources and a moveable telescope. Emphasis is placed on wind observations in the thermosphere using the O(D-1) oxygen emission line in the F-region above Sodankyla (Finland). A mean model of F-region meridional, zonal, and vertical neutral wind components is presented as a function of magnetic activity and universal time. Comparisons with the empirical model based on Fabry-Perot interferometer measurements show good agreement for the two components of the horizontal wind.

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