Electrodynamics of the high latitude middle atmosphere

Details Electrodynamics of the high latitude middle atmosphere Electrodynamics of the high latitude middle atmosphere

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987esasp.270..159g&link_type=abstract

In ESA, Proceedings of the 8th ESA Symposium on European Rocket and Balloon Programs and Related Research p 159-168 (SEE N88-162

Physics

Atmospheric Physics, Electrodynamics, Middle Atmosphere, Polar Regions, Aerosols, Atmospheric Conductivity, Atmospheric Turbulence, Electric Fields, Wind Direction

Scientific paper

Atmospheric electrodynamics is reviewed. The discovery of apparent large (V/m) electric fields within the mesosphere invites the possibility for this region to be electrically active. Observations of the V/m field were made at high latitudes even under active conditions, but always below heights where significant enhancements in electrical conductivity are found to occur. Two measurements at Andoya (Norway) show anticorrelation of horizontal field directions with wind directions, suggesting a mechanism which involves mechanical separation of charged aerosols. Reported evidence for such aerosols makes this concept more viable. Noctilucent clouds and mesospheric turbulence, and their influence on the local electrical environment are mentioned.

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