Computer Science – Sound
Scientific paper
Feb 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977p%26ss...25..103s&link_type=abstract
Planetary and Space Science, vol. 25, Feb. 1977, p. 103-116.
Computer Science
Sound
3
Auroral Zones, E Region, Ionospheric Ion Density, Nitric Oxide, Electron Energy, Ion Production Rates, Ion Temperature, Metastable State, Nitrogen Ions, Oxygen Ions, Rocket Sounding
Scientific paper
Data from eight auroral ion-composition measurements are analyzed and compared in terms of a single model format. Contrary to conclusions published previously for two of the experiments, it is found that there is no discrepancy concerning O(+) ions. In general, the mean CIRA 1972 neutral model is found to be quite suitable as a representative of the major gas composition required for auroral E-region calculations that agree with the data. Nitric oxide profiles inferred from analysis of the data range from about normal nonauroral E-region distributions with peak concentrations near 100 million per cu cm to profiles with peak populations near 1 billion per cu cm. Although the higher concentrations are generally correlated with intense aurora, it is acknowledged that the length and strength of auroral activity prior to the individual rocket flights can have even greater bearing, at times, on the NO 'snapshot' profile deduced from the auroral ion-composition data.
Narcisi R. S.
Swider William
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