Computer Science – Sound
Scientific paper
Aug 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993angeo..11..717s&link_type=abstract
Annales Geophysicae (ISSN 0992-7689), vol. 11, no. 8, p. 717-727.
Computer Science
Sound
13
Atmospheric Composition, Auroral Zones, Electron Impact, Electron Transfer, Gas Composition, Ion Production Rates, Ionospheric Sounding, Monte Carlo Method
Scientific paper
The altitude profiles of the ratio of auroral electron energy spent on the excitation of the concrete atmospheric gas (N2, O2, O) to the production rate of the concrete excited state of this gas was calculated by the Monte Carlo simulation of electron transport in the Earth's atmosphere. We call this ratio the 'excitation energy cost'. Calculation results show that excitation energy costs are independent of the initial energy as well as of the penetration depth of the electron flux. These properties of the energetic costs provide the basis for a new method of calculating the production rate of ionospheric species excited by auroral electrons. This method allows the solution of the electron transport equation to be avoided and may be used for real time modeling of various auroral phenomena. A comparison is made between the results obtained by the new method and by the more accurate Monte Carlo method.
Ivanov V. E.
Sergienko T. I.
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