Ozone and the duration of overdense radio meteors

Details Ozone and the duration of overdense radio meteors Ozone and the duration of overdense radio meteors

Apr 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jatp...52..253j&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 52, April 1990, p. 253-258. Research supported by NSERC.

Physics

18

Atmospheric Ionization, Electron Attachment, Ozone, Radio Echoes, Radio Meteors, Atmospheric Chemistry, Electron Density (Concentration), Free Electrons, Molecular Gases

Scientific paper

This paper describes a study of the duration distribution of overdense radio meteor echoes using combined radio and visual data gathered over many years. Particular attention is given to the well-known change of slope which has previously been attributed to electron attachment to the atmospheric molecules. Using visual and photographic meteor data to estimate the heights, the height variation of the time constant associated with the electron loss process is determined and found to correspond closely to that of a reaction of meteoric ions with ozone to form oxide ions which quickly recombine dissociatively with the free electrons. It is suggested that the duration distribution of overdense radio meteors could constitute a valuable diagnostic for monitoring the ozone concentration in the 80-100 km height range.

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