Open Access

Fig. 4.


Download original image

Modelled UT-F sensitivity patterns for aa′ = 88.15 nT and so corresponding to the data shown in Figure 3. Sensitivities are modelled for the year 1988 at the same times as each 3-hourly aa data point and the data then processed exactly as are the data in Figure 3 and plotted using exactly the same scales and colour scales: (a) ; (b) ; (c) S aa; and (d) .

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.