Artículo
Predicted and measured bottomside F-region electron density and variability of the D1 parameter under quiet and disturbed conditions over Europe
Autor/es | Buresova, D
Altadill, D Mosert, M. Miró Amarante, Gloria |
Departamento | Universidad de Sevilla. Departamento de Tecnología Electrónica |
Fecha de publicación | 2004 |
Fecha de depósito | 2021-01-28 |
Publicado en |
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Resumen | Modelling and forecasting of ionospheric parameters is very useful for different radio communication purposes. As long as variations
in the ionosphere form regular patterns, the empirical International Reference Ionosphere ... Modelling and forecasting of ionospheric parameters is very useful for different radio communication purposes. As long as variations in the ionosphere form regular patterns, the empirical International Reference Ionosphere model, IRI 2000, provides sufficiently accurate corrections to the maximum electron density, NmF2, to predict the ionospheric effects on radio wave propagation. During geomagnetic storms, however, agreement between the IRI 2000 model and observations is still insufficient. This paper deals with the analysis of measured and model predicted F-region electron densities under quiet and disturbed conditions with the main emphasis placed on the distribution of the F1-region daytime ionisation. Available electron density profiles obtained from ionograms for selected periods from several European ionospheric stations (Pruhonice, Ebro, Arenosillo) were compared with IRI 2000 model results. Comparative analysis shows that discrepancies do exist predominantly during the storm main phase. The model predicted daytime electron densities at the fixed F1-region heights are closer to observed values during summer than winter. Dependences of D1 on solar activity and season are also analysed. |
Agencias financiadoras | Ministerio de Ciencia Y Tecnología (MCYT). España |
Identificador del proyecto | BTE2000-0825 |
Cita | Buresova, D., Altadill, D., Mosert, M. y Miró Amarante, G. (2004). Predicted and measured bottomside F-region electron density and variability of the D1 parameter under quiet and disturbed conditions over Europe. Advances in Space Research, 34 (9), 1973-1981. |
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