Neutral air turbulence in the middle and upper atmosphere observed during the MAC/EPSILON campaign

Details Neutral air turbulence in the middle and upper atmosphere observed during the MAC/EPSILON campaign Neutral air turbulence in the middle and upper atmosphere observed during the MAC/EPSILON campaign

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.291..179h&link_type=abstract

In ESA, European Rocket and Balloon Programs and Related Research p 179-186 (SEE N90-13826 05-42)

Physics

Atmospheric Density, Mass Spectrometers, Mesosphere, Spectrum Analysis, Thermosphere, Air Currents, Atmospheric Turbulence, Energy Dissipation, Ionization Gages

Scientific paper

An instrument, developed for the measurement of small scale fluctuations of the total air density, is described. It consists of an ionization gauge with a neutral gas mass spectrometer. The measurements are effectuated in the altitude range from 60 to 115 km at 69 N, 16 E. Measurements of the number densities of nitrogen and argon are performed by a mass spectrometer in the altitude range from 95 to 125 km. From the spectral analysis of the measured density fluctuations altitude profiles of turbulent parameters, mean turbulent velocity and energy dissipation rate are derived, with one kilometer altitude resolution.

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