Sulfur chemistry in the E-region

Details Sulfur chemistry in the E-region Sulfur chemistry in the E-region

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979georl...6..560s&link_type=abstract

Geophysical Research Letters, vol. 6, July 1979, p. 560-562. Research supported by the Swiss National Science Foundation and NA

Other

Atmospheric Chemistry, E Region, Perseid Meteoroids, Sulfur, Ablative Materials, Mass Spectroscopy, Reaction Kinetics, Vertical Distribution

Scientific paper

Sulphur chemistry of meteoric species in the E-region is examined. Reactions and their rate coefficients of sulphur above 90 km are discussed, together with the gross chemistry of meteoric species. It was found that the sulphur deposited by ablating meteroids in the E-region is rapidly converted to SO above 90 km, with SO(+) the principal ionic species in concentrations of few ions per cu cm or less. By 80 km, other sulfur compounds may become significant, sulphur chemistry becoming quite complex in the stratosphere. It is possible that this chemistry plays a role in the formation of aerosols near the main meteroid ablation altitude of 92 km. Ions of mass 48 amu observed at the 94 to 107 km altitude in the 1976 Perseid meteor shower are interpreted as SO(+) ions.

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