Atomic nitrogen and oxygen ions in the daytime high-latitude F region

Details Atomic nitrogen and oxygen ions in the daytime high-latitude F region Atomic nitrogen and oxygen ions in the daytime high-latitude F region

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980jgr....85.1255s&link_type=abstract

Journal of Geophysical Research, vol. 85, Mar. 1, 1980, p. 1255-1272.

Physics

5

Atmospheric Models, Auroral Zones, F Region, Ionospheric Composition, Nitrogen Atoms, Oxygen Ions, Polar Regions, Abundance, Atmospheric Chemistry, Daytime, Ionospheric Ion Density, Reaction Kinetics, Solar Activity Effects

Scientific paper

The paper presents a high-latitude, ionospheric, dynamic model which includes N(+), NO(+), O2(+), N2(+), and O(+). The model was improved by updating the various chemical reaction rates and by including the latest solar cycle, seasonal, and geomagnetic activity variations of the daytime high-latitude F layer. Without allowance for electric field, the peak O(+) and N(+) densities varied by an order of magnitude; convection electric fields can also produce about an order of magnitude change in the O(+) and N(+) densities. In general, N(+) was the second most abundant ion in the upper F region, but there were cases when He(+) was more abundant than N(+) even though He(+) was in a state of overflow.

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