An empirical model of electron density for low and middle latitudes below 200 km |
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Authors: | Yu.K. Chasovitin V.B. Shushkova T.N. Sykilinda P.F. Denisenko V.V. Sotsky N.E. Shejdakov |
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Affiliation: | 1. U.S.S.R. Committee for Hydrometeorology and Control of Natural Environment, Moscow, USSR;7. Science-Research Physical Institute, Rostov State University, Rostov-on-Don, USSR |
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Abstract: | Our empirical model of electron density (ne) for quiet and weakly disturbed geomagnetic conditions (Kp not greater 4) takes account of comparative analysis of existing models and of experimental data obtained by rockets and incoherent scatter radar. The model describes the ne distribution in the 80 to 200 km height range at low and middle latitudes, and to some extent, in the subauroral region. It is presented in analytical form thus allowing one to calculate electron density profiles for any time. The electron density distribution at 140 km depends on the season (day of the year) and on the solar zenith angle. Profile variations during the day are for one season shown. Different from other models, ours specifies the variations during sunrise and sunset and reflects the particular profile shape at night admitting the occurrence of an intermediate layer. |
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