Physics
Scientific paper
Sep 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982georl...9..957k&link_type=abstract
Geophysical Research Letters, vol. 9, Sept. 1982, p. 957-960.
Physics
80
Atmospheric Circulation, Dynamics Explorer Satellites, Polar Regions, Thermosphere, Wind Profiles, Convective Flow, Fabry-Perot Interferometers, Geomagnetism, Ion Atom Interactions, Meridional Flow, Momentum Transfer, Neutral Atoms, Spectrometers, Wind Measurement
Scientific paper
Possibilities for experimental investigations related to the study of the dynamics of the thermosphere have been markedly improved by the new instrumentation deployed on the Dynamics Explorer Satellite (DE). The Fabry-Perot interferometer (FPI) on DE measures altitude profiles of the meridional component of the neutral wind below the spacecraft by remotely sensing the Doppler shift of the thermospheric O(1D). The Wind and Temperature Spectrometer (WATS) measures the in situ zonal component of the neutral wind by measuring the angle of arrival of the beam of neutral atoms entering the aperture to a mass spectrometer. A description is provided of data handling procedures, and the first results obtained by combining the data sets from the two instruments are presented. Acquisition and determination of neutral wind vectors from the remote (FPI) and in-situ (WATS) measurements requires careful handling of the data to ensure that the two components relate to the same volume of space.
Hays Paul B.
Killeen Tim L.
Spencer Nelson W.
Wharton Larry E.
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