A model of the terrestrial ionosphere in the altitude interval 50-4000 km. I - Atomic ions (H+, He+, N+, O+)

Details A model of the terrestrial ionosphere in the altitude interval 50-4000 km. I - Atomic ions (H+, He+, N+, O+) A model of the terrestrial ionosphere in the altitude interval 50-4000 km. I - Atomic ions (H+, He+, N+, O+)

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989em%26p...45...53k&link_type=abstract

Earth, Moon, and Planets (ISSN 0167-9295), vol. 45, April 1989, p. 53-100. Research supported by DFG.

Computer Science

Sound

4

Atmospheric Composition, Atmospheric Models, Atmospheric Sounding, Ionospheric Ion Density, Reference Atmospheres, Electron Energy, Ion Temperature, Rocket Sounding, Satellite Sounding, Solar Terrestrial Interactions, Spatial Distribution

Scientific paper

An empirical model of atomic ion densities (H+, He+, N+, O+) is presented up to 4000 km altitude as a function of time (diurnal, annual), space (position, altitude), and solar flux (F10.7) using observations of satellites (AE-B, AE-C, AE-D, AE-E, ISIS-2, OGO-6) and rockets during quiet geophysical conditions (Kp less than or equal 3). The numerical treatment is based upon harmonic functions for the horizontal pattern and cubic spline for the vertical structure. Around polar regions, the light ions H(+) and He(+) are depleted by the polar wind and enhanced. During local summer conditions the ion densities increase around polar latitudes and decrease during local winter, except He(+) which reflects the opposite pattern. The atomic ions N(+) and O(+) reach a peak during daytime.

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