Satellite beacon measurements of protonospheric fluxes

Details Satellite beacon measurements of protonospheric fluxes Satellite beacon measurements of protonospheric fluxes

Dec 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981p%26ss...29.1273p&link_type=abstract

Planetary and Space Science, vol. 29, Dec. 1981, p. 1273-1280. Research supported by the Science Research Council of England.

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11

Beacon Satellites, Plasmasphere, Proton Belts, Satellite Observation, Atmospheric Models, Ats 6, Hydrogen Ions, Oxygen Ions, Temporal Distribution

Scientific paper

The ionospheric and protonospheric regions of the plasmasphere, which are dominated by the O(+) and H(+) ionic species, respectively, interact by means of proton fluxes within tubes of magnetic force. The present study is concerned with the determination of these fluxes by the beacon satellite technique as used in the ATS-6 experiment in relation to three observing sites: Boulder, Colorado; Lancaster, U.K.; and Fairbanks, Alaska. From plasmasphere models based on solutions of the time dependent O(+) and H(+) momentum and continuity equations, it is shown that the time differential of the residual content as measured at Lancaster provides a good estimate of the protonospheric flux at 4000 km altitude in the L = 1.8 magnetic shell under quiet geomagnetic conditions. The effect of the neutral thermospheric wind on the protonospheric flux is also investigated. Fluxes determined by the beacon technique for the period from September 1975 to July 1976 are shown, and these are compared with typical results derived from other techniques.

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