Computer Science – Sound
Scientific paper
Jan 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982natur.295..307d&link_type=abstract
Nature, vol. 295, Jan. 28, 1982, p. 307, 308.
Computer Science
Sound
6
Antarctic Regions, Auroral Zones, Ionospheric Sounding, Midlatitude Atmosphere, Polar Regions, Earth Magnetosphere, Environmental Monitoring, Plasma Diagnostics, Radio Probing, Troughs
Scientific paper
The first observations of the dynamics of both the mid-latitude and high-latitude troughs made by the Advanced Ionospheric Sounder (AIS) at Halley Station, Antarctica (76 deg S, 27 deg W; invariant lat. 61 deg) are reported. This experiment is part of a major international project to study the sub-auroral ionosphere and its associations with the magnetosphere. The analysis provides an accurate quantitative description of the latitudinal movements of these features and the first results delineating the orientation of the poleward edge of the mid-latitude trough. These results show that the AIS has a much greater potential for monitoring large scale ionospheric structures and for tracking their motions than more conventional radio wave experiments.
Dudeney John R.
Jarvis Martin J.
Kressman R. I.
Pinnock Michael
Rodger Alan S.
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