AE/ISIS Electron Temperature Models 1981


Authors: L. H. Brace and R. F. Theis
NASA/GSFC, Code 914
Greenbelt, Maryland 20771
NSI-DECnet: PACF::THEIS

Parameter: Electron temperature at 300 km, 400 km, 1400 km, and 3000 km

Brief Description:
This data set includes several global empirical models of the ionospheric electron temperature. Two models (equinox and solstice) at 3000 km altitude based on ISIS 1 satellite data (1969-1970), three models (equinox, December solstice, June solstice) at 1400 km based on ISIS 2 data (1971-1972), two models (equinox, June solstice) each at 300 km and 400 km based on AE-C data (4/75-12/76, 2/77-6/78). A special form of spherical harmonics analysis is applied to the satellite data resulting in 81 coefficients per model. The coefficients describe the electron temperature variations as a function of dip latitude and local time up to order 8. These models are used in the International Reference Ionosphere (Bilitza et al., 1985).

Availability: Included in the International Reference Ionosphere.

References:
L. H. Brace and R. F. Theis, Global Empirical Models of Ionospheric Electron Temperature in the Upper F-Region and Plasmasphere Based on in situ Measurements from the Atmosphere Explorer-C, ISIS 1, and ISIS 2 Satellites, J. Atmos. Terr. Phys., 43, 1317, 1981.

D. Bilitza, L. H. Brace, and R. F. Theis, Modeling of Ionospheric Temperature Profiles, Adv. Space Res. 5, #7, 53, 1985.


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