Variations in the turbopause level in the polar region

Details Variations in the turbopause level in the polar region Variations in the turbopause level in the polar region

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980ge%26ae..20..474d&link_type=abstract

Geomagnetizm i Aeronomiia, vol. 20, May-June 1980, p. 474-476. In Russian.

Mathematics

Logic

1

Atmospheric Circulation, Atmospheric Turbulence, Polar Regions, Turbopause, Upper Atmosphere, Argon, Atmospheric Composition, Atmospheric Temperature, Magnetic Storms, Mass Spectroscopy, Meteorological Parameters, Nitrogen, Periodic Variations, Solar Activity Effects, Temperature Effects

Scientific paper

The level of the turbopause was determined on the basis of the mass-spectrometer investigations of the neutral composition of the polar atmosphere carried out in 1968-1977 using the ratio of the Ar to N2 concentrations. Large variability of the magnitude of the turbopause was found in the 90-120 km range, as well as an increase in the turbopause level with geomagnetic activity and a weak decrease of this quantity with increased solar activity. There was a strong tendency to the decrease of turbopause level with higher temperatures at the 120 km altitude, and seasonal temperature dependence at this altitude was indicated with minimal magnitudes in the winter (about 200 K) and maximal in the summer (about 700 K).

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