Articles | Volume 34, issue 10
https://doi.org/10.5194/angeo-34-887-2016
https://doi.org/10.5194/angeo-34-887-2016
Regular paper
 | 
18 Oct 2016
Regular paper |  | 18 Oct 2016

Can the comprehensive model phase 4 (CM4) predict the geomagnetic diurnal field for days away from quiet time?

Elvis Onovughe
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Short summary
We assess the CM4 of daily variation and whether it can be applied to times and activity levels outside of those that provide input data for the model. Our conclusion shows that the model works well at times outside those from which CM4 was produced and also performs better than expected at activity levels higher than that for which CM4 was designed, although it fails to predict short-period behaviour.