Download original image
PCN index values for 13 March 1989 derived from Qaanaaq data (green line) and from Resolute data with QDC (blue line) and without QDC (magenta line). Solar wind electric field data were not available at this event. “Alert” and “Red Alert” levels are indicated by the dotted and dashed red lines.
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.