Mass spectrometric measurement of thermospheric wind

Details Mass spectrometric measurement of thermospheric wind Mass spectrometric measurement of thermospheric wind

Nov 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jgr....82.5253k&link_type=abstract

Journal of Geophysical Research, vol. 82, Nov. 1, 1977, p. 5253-5256.

Physics

1

Mass Spectroscopy, Satellite-Borne Instruments, Thermosphere, Wind Measurement, Auroral Zones, Explorer Satellites, Satellite Observation, Vertical Air Currents, Vertical Distribution

Scientific paper

The open source neutral mass spectrometer (OSS) on the Atmosphere Explorer C satellite was periodically operated in an experimental 'fly-through' mode. When the satellite is spinning, the signal from this mode displays a sharp maximum that occurs when the instrument source faces directly into the oncoming gas. Thus the location of this maximum is sensitive to neutral wind components in the spin plane. Twenty-two spinning fly-through orbits were analyzed to determine vertical wind magnitudes in the altitude range 160-250 km. Large (up to 65 m/s) magnitudes were detected in the early morning sector of the auroral zone.

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