Thermospheric wind measurements in the polar region

Details Thermospheric wind measurements in the polar region Thermospheric wind measurements in the polar region

Feb 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jatp...39..211k&link_type=abstract

Journal of Atmospheric and Terrestrial Physics, vol. 39, Feb. 1977, p. 211-219.

Computer Science

Sound

5

F Region, Ionospheric Sounding, Polar Regions, Thermosphere, Wind Measurement, Metal Vapors, Night Sky, Noon, Ogo-6, Plasma Density, Polar Caps, Solar Wind

Scientific paper

In order to study the coupling of neutral atmospheric motions with solar wind induced effects, the neutral wind and ion flow velocities were simultaneously measured at an altitude of 225 km in the polar cap F-region by releasing barium and strontium tracers from sounding rockets launched on 22 and 24 August 1971, and 10 December 1972. Ion and neutral cloud trajectories for 22 and 24 August experiments were plotted, and in both cases an anti-solar flow was deduced from the ion tracks. During the December experiment a southern and northern cloud were observed, and the magnitude of the pressure force deduced from the southern cloud motion was found in agreement with OGO-6 measurements. This confirmed that a local temperature maximum is located in the winter polar thermosphere.

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