Measurements of the temperature and velocity of the neutral-gas wind in the high-latitude thermosphere

Details Measurements of the temperature and velocity of the neutral-gas wind in the high-latitude thermosphere Measurements of the temperature and velocity of the neutral-gas wind in the high-latitude thermosphere

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ge%26ae..30.1016b&link_type=abstract

Geomagnetizm i Aeronomiia (ISSN 0016-7940), vol. 30, Nov.-Dec. 1990, p. 1016-1021. In Russian.

Computer Science

Fabry-Perot Interferometers, Line Spectra, Neutral Gases, Oxygen, Thermosphere, Wind Velocity, Diurnal Variations, Electric Fields, Polar Regions, Temperature Gradients, Visible Spectrum

Scientific paper

The kinetic temperature and velocity of the neutral-gas wind in the thermosphere were determined at the Spitzbergen station using a Fabry-Perot interferometer which measured emission in the 557.7-nm oxygen line. It is shown that the observed near-noon increase in temperatrue is associated with the softening of the spectrum of precipitating electrons, while a short-term increase in temperature and a change in wind direction at night are associated with an intensification of the northern component of the electric field.

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