Study by the Meteor satellite of N/+/ and O/+/ ion concentration variations, the dynamics of the ionosphere, and fluxes of energetic electrons in the upper ionosphere. III - The high-latitude ionosphere

Details Study by the Meteor satellite of N/+/ and O/+/ ion concentration variations, the dynamics of the ionosphere, and fluxes of energetic electrons in the upper ionosphere. III - The high-latitude ionosphere Study by the Meteor satellite of N/+/ and O/+/ ion concentration variations, the dynamics of the ionosphere, and fluxes of energetic electrons in the upper ionosphere. III - The high-latitude ionosphere

Jan 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981kosis..19...45i&link_type=abstract

Kosmicheskie Issledovaniia, vol. 19, Jan.-Feb. 1981, p. 45-52. In Russian.

Computer Science

Sound

High Energy Electrons, Ionospheric Ion Density, Ionospheric Sounding, Nitrogen Ions, Oxygen Ions, Upper Ionosphere, Electron Flux Density, Electron Precipitation, Energetic Particles, Geomagnetic Pulsations, Geomagnetism, Polar Regions, Satellite Sounding, Spaceborne Experiments

Scientific paper

During 1976-1977, the Meteor satellite measured concentrations of N(+) and O(+) ions, integral electron fluxes with energies exceeding 350 keV, and large-scale drifts of O(+) ions. It is shown that electron precipitation from the magnetosphere and magnetospheric electric fields have a considerable influence on O(+) and N(+) concentrations, particularly in the unilluminated high-latitude ionosphere. In this region of the ionosphere, two quasi-annular regions of high O(+) and N(+) concentration were observed, one of which coincides with the auroral oval, and one of which coincides with the ionospheric cusp-cleft. During geomagnetic disturbances, O(+) and N(+) concentrations in the high-latitude region at a height of 900 km increase sharply; intense precipitations and drifts propagate to midlatitudes.

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