Observations of the May 30, 1984, annular solar eclipse at Millstone Hill

Details Observations of the May 30, 1984, annular solar eclipse at Millstone Hill Observations of the May 30, 1984, annular solar eclipse at Millstone Hill

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986jgr....91.1651s&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 91, Feb. 1, 1986, p. 1651-1660.

Physics

26

Incoherent Scatter Radar, Ionospheric Electron Density, Plasma Dynamics, Solar Eclipses, Solar Terrestrial Interactions, Atmospheric Circulation, Atmospheric Models, Atmospheric Temperature, Electron Energy, F 1 Region, F 2 Region, Ion Temperature, Ionospheric Ion Density, Neutral Atmospheres, Radar Tracking

Scientific paper

Results of incoherent scatter radar observations of the annular solar eclipse of May 30, 1984 are examined with particular reference to the effects on the structure and dynamics of the earth's ionosphere and thermosphere. The ionospheric plasma parameters of electron density and temperature, ion temperature, and three-dimensional ion drifts are used to derive the exospheric temperature, the neutral wind component in the plane of the magnetic field, and the electtic field components. It is noted that the NCAR ionospheric model predictions prior to the eclipse were in good agreement with the measurements of electron density and temperature in the F 1 region but required inclusion of appropriate ionization and heat flux boundary conditions and neutral atmosphere conditions, based on the radar data, to reconcile the model with observations in the F 2 region. The neutral winds at 300 km were generally consistent in direction with the model.

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