Physics
Scientific paper
Jul 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jatp...55.1203j&link_type=abstract
Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 55, no. 9, p. 1203-1218.
Physics
5
Mesopause, Multistatic Radar, Polar Regions, Radar Tracking, Solar Protons, Wind Profiles, Atmospheric Tides, Charged Particles, Electric Fields, Energetic Particles
Scientific paper
Observations with the Poker Flat, Alaska, MST radar during and after solar proton events in 1982 and 1984 suggest that winds in the altitude range of about 80-90 km were altered as a consequence of the influx of energetic charged particles and large electric fields at high latitudes. The atmospheric changes accompanying these events appear to result in a reduction of the semidiurnal tide and an enhancement in the diurnal tide. It is suggested that these changes could result from the alteration of the local tidal heating distribution produced by the particle precipitation, either through changes in the local ozone distribution or as a result of mesospheric Joule heating.
Johnson Mark R.
Luhmann Janet G.
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