Empirical D-region modelling, a progress report

The most reliable measurements of electron densities in the lower ionosphere are all based on rocket-borne radio wave propagation experiments. The grand total of 247 such profiles yields only about 100 cases usable for the establishment of non-auroral electron density models, the number of usable da...

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Bibliographic Details
Published in:Advances in space research 1998, Vol.22 (6), p.757-766
Main Authors: Friedrich, M, Torkar, K.M
Format: Article
Language:English
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Summary:The most reliable measurements of electron densities in the lower ionosphere are all based on rocket-borne radio wave propagation experiments. The grand total of 247 such profiles yields only about 100 cases usable for the establishment of non-auroral electron density models, the number of usable data for the derivation of other empirical parameters such as effective electron loss rate, cluster transition height or the negative ions is even smaller. The construction of models based on limited data relies on careful screening and weighting of the inputs, while the methods chosen must reflect physically justified assumptions, and the results should be compatible with theory. Under these restrictions empirical models of D-region parameters are presented and discussed.
ISSN:0273-1177
1879-1948
DOI:10.1016/S0273-1177(98)00095-7