Plasmasphere electron temperature model based on Akebono data
Abstract
Akebono electron temperature (Te) measurements are used to obtain the average Te distribution in the daytime (9-16 hours), evening (18-21 hours) and nighttime (22-04 hours) magnetic local time (MLT) sectors. Te distribution is considered in geomagnetic latitude range +/-70° and height range 1000-10,000 km. The averaging is performed in 5°-wide latitude bins and 1000-high altitude bins. Te averages in the areas at L>3 and heights greater that 4000 km has been excluded from analysis in order to avoid unrealistically high Te to be considered in the model. Instead, Te distribution in these areas is reconstructed by projecting Te latitude gradient at 3000 km along respective L shells. The model of plasmasphere Te is pres ented by simple expressions being explicit functions of geomagnetic latitude, altitude and MLT. Model errors are also provided.
- Publication:
-
34th COSPAR Scientific Assembly
- Pub Date:
- 2002
- Bibcode:
- 2002cosp...34E..81K