Fig. 3

image

Download original image

Left: Kp for the period 2005–2015. Colors represent the NOAA scale of geomagnetic storms: quiet conditions (G0, green), minor/moderate conditions (G1/G2, yellow) and strong/severe/extreme conditions (G3/G4/G5, red). Black dashed curve reports the corresponding R12. Right: Relative percentage of the geomagnetic conditions according to the color code of the right panel.

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.